diff --git a/libc/arch-arm/syscalls/__accept4.S b/libc/arch-arm/syscalls/__accept4.S
index 9a6874b..2b1eb28 100644
--- a/libc/arch-arm/syscalls/__accept4.S
+++ b/libc/arch-arm/syscalls/__accept4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__accept4)
     mov     ip, r7
     ldr     r7, =__NR_accept4
diff --git a/libc/arch-arm/syscalls/__brk.S b/libc/arch-arm/syscalls/__brk.S
index 31de0d2..0987f0e 100644
--- a/libc/arch-arm/syscalls/__brk.S
+++ b/libc/arch-arm/syscalls/__brk.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__brk)
     mov     ip, r7
     ldr     r7, =__NR_brk
diff --git a/libc/arch-arm/syscalls/__connect.S b/libc/arch-arm/syscalls/__connect.S
index 8cb026c..510af95 100644
--- a/libc/arch-arm/syscalls/__connect.S
+++ b/libc/arch-arm/syscalls/__connect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__connect)
     mov     ip, r7
     ldr     r7, =__NR_connect
diff --git a/libc/arch-arm/syscalls/__epoll_pwait.S b/libc/arch-arm/syscalls/__epoll_pwait.S
index b2d8d48..bbba2e1 100644
--- a/libc/arch-arm/syscalls/__epoll_pwait.S
+++ b/libc/arch-arm/syscalls/__epoll_pwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__epoll_pwait)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/__exit.S b/libc/arch-arm/syscalls/__exit.S
index c534bb0..ceef94e 100644
--- a/libc/arch-arm/syscalls/__exit.S
+++ b/libc/arch-arm/syscalls/__exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__exit)
     mov     ip, r7
     ldr     r7, =__NR_exit
diff --git a/libc/arch-arm/syscalls/__fcntl64.S b/libc/arch-arm/syscalls/__fcntl64.S
index 2132cb7..bb2068d 100644
--- a/libc/arch-arm/syscalls/__fcntl64.S
+++ b/libc/arch-arm/syscalls/__fcntl64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__fcntl64)
     mov     ip, r7
     ldr     r7, =__NR_fcntl64
diff --git a/libc/arch-arm/syscalls/__fstatfs64.S b/libc/arch-arm/syscalls/__fstatfs64.S
index 18942bc..b493aa0 100644
--- a/libc/arch-arm/syscalls/__fstatfs64.S
+++ b/libc/arch-arm/syscalls/__fstatfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__fstatfs64)
     mov     ip, r7
     ldr     r7, =__NR_fstatfs64
diff --git a/libc/arch-arm/syscalls/__getcpu.S b/libc/arch-arm/syscalls/__getcpu.S
index 1aea50a..1b3fc46 100644
--- a/libc/arch-arm/syscalls/__getcpu.S
+++ b/libc/arch-arm/syscalls/__getcpu.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcpu)
     mov     ip, r7
     ldr     r7, =__NR_getcpu
diff --git a/libc/arch-arm/syscalls/__getcwd.S b/libc/arch-arm/syscalls/__getcwd.S
index 1c2ac6c..d91b3ca 100644
--- a/libc/arch-arm/syscalls/__getcwd.S
+++ b/libc/arch-arm/syscalls/__getcwd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcwd)
     mov     ip, r7
     ldr     r7, =__NR_getcwd
diff --git a/libc/arch-arm/syscalls/__getdents64.S b/libc/arch-arm/syscalls/__getdents64.S
index c3d5e5b..7d3d81c 100644
--- a/libc/arch-arm/syscalls/__getdents64.S
+++ b/libc/arch-arm/syscalls/__getdents64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getdents64)
     mov     ip, r7
     ldr     r7, =__NR_getdents64
diff --git a/libc/arch-arm/syscalls/__getpid.S b/libc/arch-arm/syscalls/__getpid.S
index eedc33a..ede0865 100644
--- a/libc/arch-arm/syscalls/__getpid.S
+++ b/libc/arch-arm/syscalls/__getpid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpid)
     mov     ip, r7
     ldr     r7, =__NR_getpid
diff --git a/libc/arch-arm/syscalls/__getpriority.S b/libc/arch-arm/syscalls/__getpriority.S
index 90ccaea..d3a6468 100644
--- a/libc/arch-arm/syscalls/__getpriority.S
+++ b/libc/arch-arm/syscalls/__getpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpriority)
     mov     ip, r7
     ldr     r7, =__NR_getpriority
diff --git a/libc/arch-arm/syscalls/__ioctl.S b/libc/arch-arm/syscalls/__ioctl.S
index 3f816db..b3ac82f 100644
--- a/libc/arch-arm/syscalls/__ioctl.S
+++ b/libc/arch-arm/syscalls/__ioctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ioctl)
     mov     ip, r7
     ldr     r7, =__NR_ioctl
diff --git a/libc/arch-arm/syscalls/__llseek.S b/libc/arch-arm/syscalls/__llseek.S
index ec307d2..b36164c 100644
--- a/libc/arch-arm/syscalls/__llseek.S
+++ b/libc/arch-arm/syscalls/__llseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__llseek)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/__mmap2.S b/libc/arch-arm/syscalls/__mmap2.S
index 8a17997..ba74716 100644
--- a/libc/arch-arm/syscalls/__mmap2.S
+++ b/libc/arch-arm/syscalls/__mmap2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__mmap2)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/__openat.S b/libc/arch-arm/syscalls/__openat.S
index 7a38dc3..6b119e1 100644
--- a/libc/arch-arm/syscalls/__openat.S
+++ b/libc/arch-arm/syscalls/__openat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__openat)
     mov     ip, r7
     ldr     r7, =__NR_openat
diff --git a/libc/arch-arm/syscalls/__ppoll.S b/libc/arch-arm/syscalls/__ppoll.S
index d9fb3d9..3a0e80c 100644
--- a/libc/arch-arm/syscalls/__ppoll.S
+++ b/libc/arch-arm/syscalls/__ppoll.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ppoll)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/__pselect6.S b/libc/arch-arm/syscalls/__pselect6.S
index 05fea54..1417be8 100644
--- a/libc/arch-arm/syscalls/__pselect6.S
+++ b/libc/arch-arm/syscalls/__pselect6.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__pselect6)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/__ptrace.S b/libc/arch-arm/syscalls/__ptrace.S
index 4e41d9d..bc03232 100644
--- a/libc/arch-arm/syscalls/__ptrace.S
+++ b/libc/arch-arm/syscalls/__ptrace.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ptrace)
     mov     ip, r7
     ldr     r7, =__NR_ptrace
diff --git a/libc/arch-arm/syscalls/__reboot.S b/libc/arch-arm/syscalls/__reboot.S
index 18e29a7..91bbf7c 100644
--- a/libc/arch-arm/syscalls/__reboot.S
+++ b/libc/arch-arm/syscalls/__reboot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__reboot)
     mov     ip, r7
     ldr     r7, =__NR_reboot
diff --git a/libc/arch-arm/syscalls/__rt_sigaction.S b/libc/arch-arm/syscalls/__rt_sigaction.S
index 974c0e2..6a5e058 100644
--- a/libc/arch-arm/syscalls/__rt_sigaction.S
+++ b/libc/arch-arm/syscalls/__rt_sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigaction)
     mov     ip, r7
     ldr     r7, =__NR_rt_sigaction
diff --git a/libc/arch-arm/syscalls/__rt_sigpending.S b/libc/arch-arm/syscalls/__rt_sigpending.S
index 4a0f5d7..44da9b2 100644
--- a/libc/arch-arm/syscalls/__rt_sigpending.S
+++ b/libc/arch-arm/syscalls/__rt_sigpending.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigpending)
     mov     ip, r7
     ldr     r7, =__NR_rt_sigpending
diff --git a/libc/arch-arm/syscalls/__rt_sigprocmask.S b/libc/arch-arm/syscalls/__rt_sigprocmask.S
index 19abdc1..81cdb85 100644
--- a/libc/arch-arm/syscalls/__rt_sigprocmask.S
+++ b/libc/arch-arm/syscalls/__rt_sigprocmask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigprocmask)
     mov     ip, r7
     ldr     r7, =__NR_rt_sigprocmask
diff --git a/libc/arch-arm/syscalls/__rt_sigsuspend.S b/libc/arch-arm/syscalls/__rt_sigsuspend.S
index a0af905..a9a3903 100644
--- a/libc/arch-arm/syscalls/__rt_sigsuspend.S
+++ b/libc/arch-arm/syscalls/__rt_sigsuspend.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigsuspend)
     mov     ip, r7
     ldr     r7, =__NR_rt_sigsuspend
diff --git a/libc/arch-arm/syscalls/__rt_sigtimedwait.S b/libc/arch-arm/syscalls/__rt_sigtimedwait.S
index 0ba7ce2..7b78a43 100644
--- a/libc/arch-arm/syscalls/__rt_sigtimedwait.S
+++ b/libc/arch-arm/syscalls/__rt_sigtimedwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigtimedwait)
     mov     ip, r7
     ldr     r7, =__NR_rt_sigtimedwait
diff --git a/libc/arch-arm/syscalls/__sched_getaffinity.S b/libc/arch-arm/syscalls/__sched_getaffinity.S
index e977cfb..a22c55e 100644
--- a/libc/arch-arm/syscalls/__sched_getaffinity.S
+++ b/libc/arch-arm/syscalls/__sched_getaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sched_getaffinity)
     mov     ip, r7
     ldr     r7, =__NR_sched_getaffinity
diff --git a/libc/arch-arm/syscalls/__set_tid_address.S b/libc/arch-arm/syscalls/__set_tid_address.S
index b4b42e7..0838c8b 100644
--- a/libc/arch-arm/syscalls/__set_tid_address.S
+++ b/libc/arch-arm/syscalls/__set_tid_address.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tid_address)
     mov     ip, r7
     ldr     r7, =__NR_set_tid_address
diff --git a/libc/arch-arm/syscalls/__set_tls.S b/libc/arch-arm/syscalls/__set_tls.S
index 94c7cf4..c4c2eb7 100644
--- a/libc/arch-arm/syscalls/__set_tls.S
+++ b/libc/arch-arm/syscalls/__set_tls.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tls)
     mov     ip, r7
     ldr     r7, =__ARM_NR_set_tls
diff --git a/libc/arch-arm/syscalls/__sigaction.S b/libc/arch-arm/syscalls/__sigaction.S
index 7e2e07e..869b4c8 100644
--- a/libc/arch-arm/syscalls/__sigaction.S
+++ b/libc/arch-arm/syscalls/__sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sigaction)
     mov     ip, r7
     ldr     r7, =__NR_sigaction
diff --git a/libc/arch-arm/syscalls/__signalfd4.S b/libc/arch-arm/syscalls/__signalfd4.S
index 712f975..3bcf031 100644
--- a/libc/arch-arm/syscalls/__signalfd4.S
+++ b/libc/arch-arm/syscalls/__signalfd4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__signalfd4)
     mov     ip, r7
     ldr     r7, =__NR_signalfd4
diff --git a/libc/arch-arm/syscalls/__socket.S b/libc/arch-arm/syscalls/__socket.S
index d63028b..a655b5b 100644
--- a/libc/arch-arm/syscalls/__socket.S
+++ b/libc/arch-arm/syscalls/__socket.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__socket)
     mov     ip, r7
     ldr     r7, =__NR_socket
diff --git a/libc/arch-arm/syscalls/__statfs64.S b/libc/arch-arm/syscalls/__statfs64.S
index 2563562..80ea6ce 100644
--- a/libc/arch-arm/syscalls/__statfs64.S
+++ b/libc/arch-arm/syscalls/__statfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__statfs64)
     mov     ip, r7
     ldr     r7, =__NR_statfs64
diff --git a/libc/arch-arm/syscalls/__timer_create.S b/libc/arch-arm/syscalls/__timer_create.S
index 9b75749..75fc347 100644
--- a/libc/arch-arm/syscalls/__timer_create.S
+++ b/libc/arch-arm/syscalls/__timer_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_create)
     mov     ip, r7
     ldr     r7, =__NR_timer_create
diff --git a/libc/arch-arm/syscalls/__timer_delete.S b/libc/arch-arm/syscalls/__timer_delete.S
index db32b3b..ad5ec36 100644
--- a/libc/arch-arm/syscalls/__timer_delete.S
+++ b/libc/arch-arm/syscalls/__timer_delete.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_delete)
     mov     ip, r7
     ldr     r7, =__NR_timer_delete
diff --git a/libc/arch-arm/syscalls/__timer_getoverrun.S b/libc/arch-arm/syscalls/__timer_getoverrun.S
index 5701b12..529712c 100644
--- a/libc/arch-arm/syscalls/__timer_getoverrun.S
+++ b/libc/arch-arm/syscalls/__timer_getoverrun.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_getoverrun)
     mov     ip, r7
     ldr     r7, =__NR_timer_getoverrun
diff --git a/libc/arch-arm/syscalls/__timer_gettime.S b/libc/arch-arm/syscalls/__timer_gettime.S
index e9a4ff9..180da39 100644
--- a/libc/arch-arm/syscalls/__timer_gettime.S
+++ b/libc/arch-arm/syscalls/__timer_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_gettime)
     mov     ip, r7
     ldr     r7, =__NR_timer_gettime
diff --git a/libc/arch-arm/syscalls/__timer_settime.S b/libc/arch-arm/syscalls/__timer_settime.S
index 2f1ab19..e2950dd 100644
--- a/libc/arch-arm/syscalls/__timer_settime.S
+++ b/libc/arch-arm/syscalls/__timer_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_settime)
     mov     ip, r7
     ldr     r7, =__NR_timer_settime
diff --git a/libc/arch-arm/syscalls/__waitid.S b/libc/arch-arm/syscalls/__waitid.S
index e5e1f54..8c6ba66 100644
--- a/libc/arch-arm/syscalls/__waitid.S
+++ b/libc/arch-arm/syscalls/__waitid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__waitid)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/_exit.S b/libc/arch-arm/syscalls/_exit.S
index 581b340..fd072c3 100644
--- a/libc/arch-arm/syscalls/_exit.S
+++ b/libc/arch-arm/syscalls/_exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(_exit)
     mov     ip, r7
     ldr     r7, =__NR_exit_group
diff --git a/libc/arch-arm/syscalls/acct.S b/libc/arch-arm/syscalls/acct.S
index e360c5a..156db48 100644
--- a/libc/arch-arm/syscalls/acct.S
+++ b/libc/arch-arm/syscalls/acct.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(acct)
     mov     ip, r7
     ldr     r7, =__NR_acct
diff --git a/libc/arch-arm/syscalls/bind.S b/libc/arch-arm/syscalls/bind.S
index e07dd77..892c77f 100644
--- a/libc/arch-arm/syscalls/bind.S
+++ b/libc/arch-arm/syscalls/bind.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(bind)
     mov     ip, r7
     ldr     r7, =__NR_bind
diff --git a/libc/arch-arm/syscalls/cacheflush.S b/libc/arch-arm/syscalls/cacheflush.S
index ac2a218..0739c32 100644
--- a/libc/arch-arm/syscalls/cacheflush.S
+++ b/libc/arch-arm/syscalls/cacheflush.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(cacheflush)
     mov     ip, r7
     ldr     r7, =__ARM_NR_cacheflush
diff --git a/libc/arch-arm/syscalls/capget.S b/libc/arch-arm/syscalls/capget.S
index b912830..6fd0f7c 100644
--- a/libc/arch-arm/syscalls/capget.S
+++ b/libc/arch-arm/syscalls/capget.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capget)
     mov     ip, r7
     ldr     r7, =__NR_capget
diff --git a/libc/arch-arm/syscalls/capset.S b/libc/arch-arm/syscalls/capset.S
index cef68c5..2708ff6 100644
--- a/libc/arch-arm/syscalls/capset.S
+++ b/libc/arch-arm/syscalls/capset.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capset)
     mov     ip, r7
     ldr     r7, =__NR_capset
diff --git a/libc/arch-arm/syscalls/chdir.S b/libc/arch-arm/syscalls/chdir.S
index ea93fd6..0b86a0f 100644
--- a/libc/arch-arm/syscalls/chdir.S
+++ b/libc/arch-arm/syscalls/chdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chdir)
     mov     ip, r7
     ldr     r7, =__NR_chdir
diff --git a/libc/arch-arm/syscalls/chroot.S b/libc/arch-arm/syscalls/chroot.S
index b1199e6..15aa392 100644
--- a/libc/arch-arm/syscalls/chroot.S
+++ b/libc/arch-arm/syscalls/chroot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chroot)
     mov     ip, r7
     ldr     r7, =__NR_chroot
diff --git a/libc/arch-arm/syscalls/clock_getres.S b/libc/arch-arm/syscalls/clock_getres.S
index f1e7fa2..b92289a 100644
--- a/libc/arch-arm/syscalls/clock_getres.S
+++ b/libc/arch-arm/syscalls/clock_getres.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_getres)
     mov     ip, r7
     ldr     r7, =__NR_clock_getres
diff --git a/libc/arch-arm/syscalls/clock_gettime.S b/libc/arch-arm/syscalls/clock_gettime.S
index 9b3e132..203db8f 100644
--- a/libc/arch-arm/syscalls/clock_gettime.S
+++ b/libc/arch-arm/syscalls/clock_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_gettime)
     mov     ip, r7
     ldr     r7, =__NR_clock_gettime
diff --git a/libc/arch-arm/syscalls/clock_nanosleep.S b/libc/arch-arm/syscalls/clock_nanosleep.S
index fda7394..5de2267 100644
--- a/libc/arch-arm/syscalls/clock_nanosleep.S
+++ b/libc/arch-arm/syscalls/clock_nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_nanosleep)
     mov     ip, r7
     ldr     r7, =__NR_clock_nanosleep
diff --git a/libc/arch-arm/syscalls/clock_settime.S b/libc/arch-arm/syscalls/clock_settime.S
index 5a0059e..71e61f8 100644
--- a/libc/arch-arm/syscalls/clock_settime.S
+++ b/libc/arch-arm/syscalls/clock_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_settime)
     mov     ip, r7
     ldr     r7, =__NR_clock_settime
diff --git a/libc/arch-arm/syscalls/close.S b/libc/arch-arm/syscalls/close.S
index 00c8f85..3e0fd32 100644
--- a/libc/arch-arm/syscalls/close.S
+++ b/libc/arch-arm/syscalls/close.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(close)
     mov     ip, r7
     ldr     r7, =__NR_close
diff --git a/libc/arch-arm/syscalls/delete_module.S b/libc/arch-arm/syscalls/delete_module.S
index a26b478..0af2520 100644
--- a/libc/arch-arm/syscalls/delete_module.S
+++ b/libc/arch-arm/syscalls/delete_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(delete_module)
     mov     ip, r7
     ldr     r7, =__NR_delete_module
diff --git a/libc/arch-arm/syscalls/dup.S b/libc/arch-arm/syscalls/dup.S
index b1859d9..4105438 100644
--- a/libc/arch-arm/syscalls/dup.S
+++ b/libc/arch-arm/syscalls/dup.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup)
     mov     ip, r7
     ldr     r7, =__NR_dup
diff --git a/libc/arch-arm/syscalls/dup3.S b/libc/arch-arm/syscalls/dup3.S
index 3e47c10..409e8f9 100644
--- a/libc/arch-arm/syscalls/dup3.S
+++ b/libc/arch-arm/syscalls/dup3.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup3)
     mov     ip, r7
     ldr     r7, =__NR_dup3
diff --git a/libc/arch-arm/syscalls/epoll_create1.S b/libc/arch-arm/syscalls/epoll_create1.S
index 2eebc0c..631afab 100644
--- a/libc/arch-arm/syscalls/epoll_create1.S
+++ b/libc/arch-arm/syscalls/epoll_create1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_create1)
     mov     ip, r7
     ldr     r7, =__NR_epoll_create1
diff --git a/libc/arch-arm/syscalls/epoll_ctl.S b/libc/arch-arm/syscalls/epoll_ctl.S
index 7a1cc41..187fe0a 100644
--- a/libc/arch-arm/syscalls/epoll_ctl.S
+++ b/libc/arch-arm/syscalls/epoll_ctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_ctl)
     mov     ip, r7
     ldr     r7, =__NR_epoll_ctl
diff --git a/libc/arch-arm/syscalls/eventfd.S b/libc/arch-arm/syscalls/eventfd.S
index 08272d3..c35f537 100644
--- a/libc/arch-arm/syscalls/eventfd.S
+++ b/libc/arch-arm/syscalls/eventfd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(eventfd)
     mov     ip, r7
     ldr     r7, =__NR_eventfd2
diff --git a/libc/arch-arm/syscalls/execve.S b/libc/arch-arm/syscalls/execve.S
index 361ec63..1b24f76 100644
--- a/libc/arch-arm/syscalls/execve.S
+++ b/libc/arch-arm/syscalls/execve.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(execve)
     mov     ip, r7
     ldr     r7, =__NR_execve
diff --git a/libc/arch-arm/syscalls/faccessat.S b/libc/arch-arm/syscalls/faccessat.S
index c82b2ce..3f663e3 100644
--- a/libc/arch-arm/syscalls/faccessat.S
+++ b/libc/arch-arm/syscalls/faccessat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(faccessat)
     mov     ip, r7
     ldr     r7, =__NR_faccessat
diff --git a/libc/arch-arm/syscalls/fallocate64.S b/libc/arch-arm/syscalls/fallocate64.S
index c6992b0..fd90637 100644
--- a/libc/arch-arm/syscalls/fallocate64.S
+++ b/libc/arch-arm/syscalls/fallocate64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fallocate64)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/fchdir.S b/libc/arch-arm/syscalls/fchdir.S
index 1a7eb51..c109718 100644
--- a/libc/arch-arm/syscalls/fchdir.S
+++ b/libc/arch-arm/syscalls/fchdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchdir)
     mov     ip, r7
     ldr     r7, =__NR_fchdir
diff --git a/libc/arch-arm/syscalls/fchmod.S b/libc/arch-arm/syscalls/fchmod.S
index 42dc5b8..4b598a2 100644
--- a/libc/arch-arm/syscalls/fchmod.S
+++ b/libc/arch-arm/syscalls/fchmod.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmod)
     mov     ip, r7
     ldr     r7, =__NR_fchmod
diff --git a/libc/arch-arm/syscalls/fchmodat.S b/libc/arch-arm/syscalls/fchmodat.S
index e03da8c..8e43118 100644
--- a/libc/arch-arm/syscalls/fchmodat.S
+++ b/libc/arch-arm/syscalls/fchmodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmodat)
     mov     ip, r7
     ldr     r7, =__NR_fchmodat
diff --git a/libc/arch-arm/syscalls/fchown.S b/libc/arch-arm/syscalls/fchown.S
index c2c3982..24a38f6 100644
--- a/libc/arch-arm/syscalls/fchown.S
+++ b/libc/arch-arm/syscalls/fchown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchown)
     mov     ip, r7
     ldr     r7, =__NR_fchown32
diff --git a/libc/arch-arm/syscalls/fchownat.S b/libc/arch-arm/syscalls/fchownat.S
index ea8193f..8fd76a3 100644
--- a/libc/arch-arm/syscalls/fchownat.S
+++ b/libc/arch-arm/syscalls/fchownat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchownat)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/fdatasync.S b/libc/arch-arm/syscalls/fdatasync.S
index 9c8317d..9556665 100644
--- a/libc/arch-arm/syscalls/fdatasync.S
+++ b/libc/arch-arm/syscalls/fdatasync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fdatasync)
     mov     ip, r7
     ldr     r7, =__NR_fdatasync
diff --git a/libc/arch-arm/syscalls/fgetxattr.S b/libc/arch-arm/syscalls/fgetxattr.S
index bef536b..95e2809 100644
--- a/libc/arch-arm/syscalls/fgetxattr.S
+++ b/libc/arch-arm/syscalls/fgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fgetxattr)
     mov     ip, r7
     ldr     r7, =__NR_fgetxattr
diff --git a/libc/arch-arm/syscalls/flistxattr.S b/libc/arch-arm/syscalls/flistxattr.S
index d9a30bb..0d411b1 100644
--- a/libc/arch-arm/syscalls/flistxattr.S
+++ b/libc/arch-arm/syscalls/flistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flistxattr)
     mov     ip, r7
     ldr     r7, =__NR_flistxattr
diff --git a/libc/arch-arm/syscalls/flock.S b/libc/arch-arm/syscalls/flock.S
index 016e824..e59d4f6 100644
--- a/libc/arch-arm/syscalls/flock.S
+++ b/libc/arch-arm/syscalls/flock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flock)
     mov     ip, r7
     ldr     r7, =__NR_flock
diff --git a/libc/arch-arm/syscalls/fremovexattr.S b/libc/arch-arm/syscalls/fremovexattr.S
index c7ff034..3ec647f 100644
--- a/libc/arch-arm/syscalls/fremovexattr.S
+++ b/libc/arch-arm/syscalls/fremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fremovexattr)
     mov     ip, r7
     ldr     r7, =__NR_fremovexattr
diff --git a/libc/arch-arm/syscalls/fsetxattr.S b/libc/arch-arm/syscalls/fsetxattr.S
index 64b8d03..225e64b 100644
--- a/libc/arch-arm/syscalls/fsetxattr.S
+++ b/libc/arch-arm/syscalls/fsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsetxattr)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/fstat64.S b/libc/arch-arm/syscalls/fstat64.S
index 7517a65..560bb94 100644
--- a/libc/arch-arm/syscalls/fstat64.S
+++ b/libc/arch-arm/syscalls/fstat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstat64)
     mov     ip, r7
     ldr     r7, =__NR_fstat64
diff --git a/libc/arch-arm/syscalls/fstatat64.S b/libc/arch-arm/syscalls/fstatat64.S
index 752ee2f..cda5845 100644
--- a/libc/arch-arm/syscalls/fstatat64.S
+++ b/libc/arch-arm/syscalls/fstatat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatat64)
     mov     ip, r7
     ldr     r7, =__NR_fstatat64
diff --git a/libc/arch-arm/syscalls/fsync.S b/libc/arch-arm/syscalls/fsync.S
index 6b7c4a8..c6ba47b 100644
--- a/libc/arch-arm/syscalls/fsync.S
+++ b/libc/arch-arm/syscalls/fsync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsync)
     mov     ip, r7
     ldr     r7, =__NR_fsync
diff --git a/libc/arch-arm/syscalls/ftruncate.S b/libc/arch-arm/syscalls/ftruncate.S
index 4a3d56c..168d722 100644
--- a/libc/arch-arm/syscalls/ftruncate.S
+++ b/libc/arch-arm/syscalls/ftruncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate)
     mov     ip, r7
     ldr     r7, =__NR_ftruncate
diff --git a/libc/arch-arm/syscalls/ftruncate64.S b/libc/arch-arm/syscalls/ftruncate64.S
index 910ca68..a2b73b8 100644
--- a/libc/arch-arm/syscalls/ftruncate64.S
+++ b/libc/arch-arm/syscalls/ftruncate64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate64)
     mov     ip, r7
     ldr     r7, =__NR_ftruncate64
diff --git a/libc/arch-arm/syscalls/getegid.S b/libc/arch-arm/syscalls/getegid.S
index 6afca90..e2f9fe9 100644
--- a/libc/arch-arm/syscalls/getegid.S
+++ b/libc/arch-arm/syscalls/getegid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getegid)
     mov     ip, r7
     ldr     r7, =__NR_getegid32
diff --git a/libc/arch-arm/syscalls/geteuid.S b/libc/arch-arm/syscalls/geteuid.S
index 78e5cf4..1d55320 100644
--- a/libc/arch-arm/syscalls/geteuid.S
+++ b/libc/arch-arm/syscalls/geteuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(geteuid)
     mov     ip, r7
     ldr     r7, =__NR_geteuid32
diff --git a/libc/arch-arm/syscalls/getgid.S b/libc/arch-arm/syscalls/getgid.S
index c2d3538..9d81d73 100644
--- a/libc/arch-arm/syscalls/getgid.S
+++ b/libc/arch-arm/syscalls/getgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgid)
     mov     ip, r7
     ldr     r7, =__NR_getgid32
diff --git a/libc/arch-arm/syscalls/getgroups.S b/libc/arch-arm/syscalls/getgroups.S
index e6b8e10..23aafaf 100644
--- a/libc/arch-arm/syscalls/getgroups.S
+++ b/libc/arch-arm/syscalls/getgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgroups)
     mov     ip, r7
     ldr     r7, =__NR_getgroups32
diff --git a/libc/arch-arm/syscalls/getitimer.S b/libc/arch-arm/syscalls/getitimer.S
index 3dce707..095cf8f 100644
--- a/libc/arch-arm/syscalls/getitimer.S
+++ b/libc/arch-arm/syscalls/getitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getitimer)
     mov     ip, r7
     ldr     r7, =__NR_getitimer
diff --git a/libc/arch-arm/syscalls/getpeername.S b/libc/arch-arm/syscalls/getpeername.S
index 0613231..760f6fb 100644
--- a/libc/arch-arm/syscalls/getpeername.S
+++ b/libc/arch-arm/syscalls/getpeername.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpeername)
     mov     ip, r7
     ldr     r7, =__NR_getpeername
diff --git a/libc/arch-arm/syscalls/getpgid.S b/libc/arch-arm/syscalls/getpgid.S
index 1992afc..d07b058 100644
--- a/libc/arch-arm/syscalls/getpgid.S
+++ b/libc/arch-arm/syscalls/getpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpgid)
     mov     ip, r7
     ldr     r7, =__NR_getpgid
diff --git a/libc/arch-arm/syscalls/getppid.S b/libc/arch-arm/syscalls/getppid.S
index 594fca5..bcc13a8 100644
--- a/libc/arch-arm/syscalls/getppid.S
+++ b/libc/arch-arm/syscalls/getppid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getppid)
     mov     ip, r7
     ldr     r7, =__NR_getppid
diff --git a/libc/arch-arm/syscalls/getresgid.S b/libc/arch-arm/syscalls/getresgid.S
index 9dcdb33..9a87eaa 100644
--- a/libc/arch-arm/syscalls/getresgid.S
+++ b/libc/arch-arm/syscalls/getresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresgid)
     mov     ip, r7
     ldr     r7, =__NR_getresgid32
diff --git a/libc/arch-arm/syscalls/getresuid.S b/libc/arch-arm/syscalls/getresuid.S
index 387bd7c..a332928 100644
--- a/libc/arch-arm/syscalls/getresuid.S
+++ b/libc/arch-arm/syscalls/getresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresuid)
     mov     ip, r7
     ldr     r7, =__NR_getresuid32
diff --git a/libc/arch-arm/syscalls/getrlimit.S b/libc/arch-arm/syscalls/getrlimit.S
index 879b666..4a9c62a 100644
--- a/libc/arch-arm/syscalls/getrlimit.S
+++ b/libc/arch-arm/syscalls/getrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrlimit)
     mov     ip, r7
     ldr     r7, =__NR_ugetrlimit
diff --git a/libc/arch-arm/syscalls/getrusage.S b/libc/arch-arm/syscalls/getrusage.S
index ee84f49..4799b69 100644
--- a/libc/arch-arm/syscalls/getrusage.S
+++ b/libc/arch-arm/syscalls/getrusage.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrusage)
     mov     ip, r7
     ldr     r7, =__NR_getrusage
diff --git a/libc/arch-arm/syscalls/getsid.S b/libc/arch-arm/syscalls/getsid.S
index 715f217..5a26e94 100644
--- a/libc/arch-arm/syscalls/getsid.S
+++ b/libc/arch-arm/syscalls/getsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsid)
     mov     ip, r7
     ldr     r7, =__NR_getsid
diff --git a/libc/arch-arm/syscalls/getsockname.S b/libc/arch-arm/syscalls/getsockname.S
index 2ee68f3..78e0752 100644
--- a/libc/arch-arm/syscalls/getsockname.S
+++ b/libc/arch-arm/syscalls/getsockname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockname)
     mov     ip, r7
     ldr     r7, =__NR_getsockname
diff --git a/libc/arch-arm/syscalls/getsockopt.S b/libc/arch-arm/syscalls/getsockopt.S
index 2ded34f..e1badfb 100644
--- a/libc/arch-arm/syscalls/getsockopt.S
+++ b/libc/arch-arm/syscalls/getsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockopt)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/gettimeofday.S b/libc/arch-arm/syscalls/gettimeofday.S
index 4d33b5d..611c0d4 100644
--- a/libc/arch-arm/syscalls/gettimeofday.S
+++ b/libc/arch-arm/syscalls/gettimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(gettimeofday)
     mov     ip, r7
     ldr     r7, =__NR_gettimeofday
diff --git a/libc/arch-arm/syscalls/getuid.S b/libc/arch-arm/syscalls/getuid.S
index 66f570f..2e97c55 100644
--- a/libc/arch-arm/syscalls/getuid.S
+++ b/libc/arch-arm/syscalls/getuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getuid)
     mov     ip, r7
     ldr     r7, =__NR_getuid32
diff --git a/libc/arch-arm/syscalls/getxattr.S b/libc/arch-arm/syscalls/getxattr.S
index 71d0035..da0e86d 100644
--- a/libc/arch-arm/syscalls/getxattr.S
+++ b/libc/arch-arm/syscalls/getxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getxattr)
     mov     ip, r7
     ldr     r7, =__NR_getxattr
diff --git a/libc/arch-arm/syscalls/init_module.S b/libc/arch-arm/syscalls/init_module.S
index 6850ddf..bf30b03 100644
--- a/libc/arch-arm/syscalls/init_module.S
+++ b/libc/arch-arm/syscalls/init_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(init_module)
     mov     ip, r7
     ldr     r7, =__NR_init_module
diff --git a/libc/arch-arm/syscalls/inotify_add_watch.S b/libc/arch-arm/syscalls/inotify_add_watch.S
index 367a49f..982d338 100644
--- a/libc/arch-arm/syscalls/inotify_add_watch.S
+++ b/libc/arch-arm/syscalls/inotify_add_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_add_watch)
     mov     ip, r7
     ldr     r7, =__NR_inotify_add_watch
diff --git a/libc/arch-arm/syscalls/inotify_init1.S b/libc/arch-arm/syscalls/inotify_init1.S
index 13e175f..2253ec8 100644
--- a/libc/arch-arm/syscalls/inotify_init1.S
+++ b/libc/arch-arm/syscalls/inotify_init1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_init1)
     mov     ip, r7
     ldr     r7, =__NR_inotify_init1
diff --git a/libc/arch-arm/syscalls/inotify_rm_watch.S b/libc/arch-arm/syscalls/inotify_rm_watch.S
index b80e0f8..9d7e6ae 100644
--- a/libc/arch-arm/syscalls/inotify_rm_watch.S
+++ b/libc/arch-arm/syscalls/inotify_rm_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_rm_watch)
     mov     ip, r7
     ldr     r7, =__NR_inotify_rm_watch
diff --git a/libc/arch-arm/syscalls/kill.S b/libc/arch-arm/syscalls/kill.S
index 9a44208..7e4d6c4 100644
--- a/libc/arch-arm/syscalls/kill.S
+++ b/libc/arch-arm/syscalls/kill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(kill)
     mov     ip, r7
     ldr     r7, =__NR_kill
diff --git a/libc/arch-arm/syscalls/klogctl.S b/libc/arch-arm/syscalls/klogctl.S
index 84ce7f6..f5fe27f 100644
--- a/libc/arch-arm/syscalls/klogctl.S
+++ b/libc/arch-arm/syscalls/klogctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(klogctl)
     mov     ip, r7
     ldr     r7, =__NR_syslog
diff --git a/libc/arch-arm/syscalls/lgetxattr.S b/libc/arch-arm/syscalls/lgetxattr.S
index 9eed67f..70b7235 100644
--- a/libc/arch-arm/syscalls/lgetxattr.S
+++ b/libc/arch-arm/syscalls/lgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lgetxattr)
     mov     ip, r7
     ldr     r7, =__NR_lgetxattr
diff --git a/libc/arch-arm/syscalls/linkat.S b/libc/arch-arm/syscalls/linkat.S
index 27f1e00..7a578f8 100644
--- a/libc/arch-arm/syscalls/linkat.S
+++ b/libc/arch-arm/syscalls/linkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(linkat)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/listen.S b/libc/arch-arm/syscalls/listen.S
index 330ea56..5c33912 100644
--- a/libc/arch-arm/syscalls/listen.S
+++ b/libc/arch-arm/syscalls/listen.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listen)
     mov     ip, r7
     ldr     r7, =__NR_listen
diff --git a/libc/arch-arm/syscalls/listxattr.S b/libc/arch-arm/syscalls/listxattr.S
index c64e484..ea8f5d8 100644
--- a/libc/arch-arm/syscalls/listxattr.S
+++ b/libc/arch-arm/syscalls/listxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listxattr)
     mov     ip, r7
     ldr     r7, =__NR_listxattr
diff --git a/libc/arch-arm/syscalls/llistxattr.S b/libc/arch-arm/syscalls/llistxattr.S
index cea926b..b7f3375 100644
--- a/libc/arch-arm/syscalls/llistxattr.S
+++ b/libc/arch-arm/syscalls/llistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(llistxattr)
     mov     ip, r7
     ldr     r7, =__NR_llistxattr
diff --git a/libc/arch-arm/syscalls/lremovexattr.S b/libc/arch-arm/syscalls/lremovexattr.S
index c7a6458..a8d0d2d 100644
--- a/libc/arch-arm/syscalls/lremovexattr.S
+++ b/libc/arch-arm/syscalls/lremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lremovexattr)
     mov     ip, r7
     ldr     r7, =__NR_lremovexattr
diff --git a/libc/arch-arm/syscalls/lseek.S b/libc/arch-arm/syscalls/lseek.S
index 9edae37..17697d4 100644
--- a/libc/arch-arm/syscalls/lseek.S
+++ b/libc/arch-arm/syscalls/lseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lseek)
     mov     ip, r7
     ldr     r7, =__NR_lseek
diff --git a/libc/arch-arm/syscalls/lsetxattr.S b/libc/arch-arm/syscalls/lsetxattr.S
index fb3f75f..166ef7f 100644
--- a/libc/arch-arm/syscalls/lsetxattr.S
+++ b/libc/arch-arm/syscalls/lsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lsetxattr)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/madvise.S b/libc/arch-arm/syscalls/madvise.S
index ee2c2a5..ffa71c4 100644
--- a/libc/arch-arm/syscalls/madvise.S
+++ b/libc/arch-arm/syscalls/madvise.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(madvise)
     mov     ip, r7
     ldr     r7, =__NR_madvise
diff --git a/libc/arch-arm/syscalls/mincore.S b/libc/arch-arm/syscalls/mincore.S
index 9ef9237..5eb5f10 100644
--- a/libc/arch-arm/syscalls/mincore.S
+++ b/libc/arch-arm/syscalls/mincore.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mincore)
     mov     ip, r7
     ldr     r7, =__NR_mincore
diff --git a/libc/arch-arm/syscalls/mkdirat.S b/libc/arch-arm/syscalls/mkdirat.S
index 9e77ef0..d9c58ad 100644
--- a/libc/arch-arm/syscalls/mkdirat.S
+++ b/libc/arch-arm/syscalls/mkdirat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mkdirat)
     mov     ip, r7
     ldr     r7, =__NR_mkdirat
diff --git a/libc/arch-arm/syscalls/mknodat.S b/libc/arch-arm/syscalls/mknodat.S
index de492da..d6296f1 100644
--- a/libc/arch-arm/syscalls/mknodat.S
+++ b/libc/arch-arm/syscalls/mknodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mknodat)
     mov     ip, r7
     ldr     r7, =__NR_mknodat
diff --git a/libc/arch-arm/syscalls/mlock.S b/libc/arch-arm/syscalls/mlock.S
index 043b21b..21fd5f9 100644
--- a/libc/arch-arm/syscalls/mlock.S
+++ b/libc/arch-arm/syscalls/mlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlock)
     mov     ip, r7
     ldr     r7, =__NR_mlock
diff --git a/libc/arch-arm/syscalls/mlockall.S b/libc/arch-arm/syscalls/mlockall.S
index 9c6c4e4..750b7ec 100644
--- a/libc/arch-arm/syscalls/mlockall.S
+++ b/libc/arch-arm/syscalls/mlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlockall)
     mov     ip, r7
     ldr     r7, =__NR_mlockall
diff --git a/libc/arch-arm/syscalls/mount.S b/libc/arch-arm/syscalls/mount.S
index d56682c..d2fa20e 100644
--- a/libc/arch-arm/syscalls/mount.S
+++ b/libc/arch-arm/syscalls/mount.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mount)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/mprotect.S b/libc/arch-arm/syscalls/mprotect.S
index 9461d9b..dfc6f08 100644
--- a/libc/arch-arm/syscalls/mprotect.S
+++ b/libc/arch-arm/syscalls/mprotect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mprotect)
     mov     ip, r7
     ldr     r7, =__NR_mprotect
diff --git a/libc/arch-arm/syscalls/mremap.S b/libc/arch-arm/syscalls/mremap.S
index 2486fc9..a674571 100644
--- a/libc/arch-arm/syscalls/mremap.S
+++ b/libc/arch-arm/syscalls/mremap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mremap)
     mov     ip, r7
     ldr     r7, =__NR_mremap
diff --git a/libc/arch-arm/syscalls/msync.S b/libc/arch-arm/syscalls/msync.S
index 3fc4118..e062a5e 100644
--- a/libc/arch-arm/syscalls/msync.S
+++ b/libc/arch-arm/syscalls/msync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(msync)
     mov     ip, r7
     ldr     r7, =__NR_msync
diff --git a/libc/arch-arm/syscalls/munlock.S b/libc/arch-arm/syscalls/munlock.S
index c89fd3c..c44d147 100644
--- a/libc/arch-arm/syscalls/munlock.S
+++ b/libc/arch-arm/syscalls/munlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlock)
     mov     ip, r7
     ldr     r7, =__NR_munlock
diff --git a/libc/arch-arm/syscalls/munlockall.S b/libc/arch-arm/syscalls/munlockall.S
index 3ac9f32..3a36b7e 100644
--- a/libc/arch-arm/syscalls/munlockall.S
+++ b/libc/arch-arm/syscalls/munlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlockall)
     mov     ip, r7
     ldr     r7, =__NR_munlockall
diff --git a/libc/arch-arm/syscalls/munmap.S b/libc/arch-arm/syscalls/munmap.S
index ed3bb1e..a94e4e5 100644
--- a/libc/arch-arm/syscalls/munmap.S
+++ b/libc/arch-arm/syscalls/munmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munmap)
     mov     ip, r7
     ldr     r7, =__NR_munmap
diff --git a/libc/arch-arm/syscalls/nanosleep.S b/libc/arch-arm/syscalls/nanosleep.S
index 695c126..743adc2 100644
--- a/libc/arch-arm/syscalls/nanosleep.S
+++ b/libc/arch-arm/syscalls/nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(nanosleep)
     mov     ip, r7
     ldr     r7, =__NR_nanosleep
diff --git a/libc/arch-arm/syscalls/personality.S b/libc/arch-arm/syscalls/personality.S
index e3f7371..90dfe22 100644
--- a/libc/arch-arm/syscalls/personality.S
+++ b/libc/arch-arm/syscalls/personality.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(personality)
     mov     ip, r7
     ldr     r7, =__NR_personality
diff --git a/libc/arch-arm/syscalls/pipe2.S b/libc/arch-arm/syscalls/pipe2.S
index 420dee9..b295df5 100644
--- a/libc/arch-arm/syscalls/pipe2.S
+++ b/libc/arch-arm/syscalls/pipe2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pipe2)
     mov     ip, r7
     ldr     r7, =__NR_pipe2
diff --git a/libc/arch-arm/syscalls/prctl.S b/libc/arch-arm/syscalls/prctl.S
index 615a2fa..c8f68d3 100644
--- a/libc/arch-arm/syscalls/prctl.S
+++ b/libc/arch-arm/syscalls/prctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prctl)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/pread64.S b/libc/arch-arm/syscalls/pread64.S
index 0bfb6d0..3eeae3d 100644
--- a/libc/arch-arm/syscalls/pread64.S
+++ b/libc/arch-arm/syscalls/pread64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pread64)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/prlimit64.S b/libc/arch-arm/syscalls/prlimit64.S
index 8d9c4ff..87c53d5 100644
--- a/libc/arch-arm/syscalls/prlimit64.S
+++ b/libc/arch-arm/syscalls/prlimit64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prlimit64)
     mov     ip, r7
     ldr     r7, =__NR_prlimit64
diff --git a/libc/arch-arm/syscalls/pwrite64.S b/libc/arch-arm/syscalls/pwrite64.S
index 03247b1..c63b835 100644
--- a/libc/arch-arm/syscalls/pwrite64.S
+++ b/libc/arch-arm/syscalls/pwrite64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pwrite64)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/read.S b/libc/arch-arm/syscalls/read.S
index b01daf5..9de525c 100644
--- a/libc/arch-arm/syscalls/read.S
+++ b/libc/arch-arm/syscalls/read.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(read)
     mov     ip, r7
     ldr     r7, =__NR_read
diff --git a/libc/arch-arm/syscalls/readahead.S b/libc/arch-arm/syscalls/readahead.S
index 83d8442..995f00e 100644
--- a/libc/arch-arm/syscalls/readahead.S
+++ b/libc/arch-arm/syscalls/readahead.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readahead)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/readlinkat.S b/libc/arch-arm/syscalls/readlinkat.S
index 28926ab..f865de5 100644
--- a/libc/arch-arm/syscalls/readlinkat.S
+++ b/libc/arch-arm/syscalls/readlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readlinkat)
     mov     ip, r7
     ldr     r7, =__NR_readlinkat
diff --git a/libc/arch-arm/syscalls/readv.S b/libc/arch-arm/syscalls/readv.S
index 433d33d..9401687 100644
--- a/libc/arch-arm/syscalls/readv.S
+++ b/libc/arch-arm/syscalls/readv.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readv)
     mov     ip, r7
     ldr     r7, =__NR_readv
diff --git a/libc/arch-arm/syscalls/recvfrom.S b/libc/arch-arm/syscalls/recvfrom.S
index cb89f72..6390a82 100644
--- a/libc/arch-arm/syscalls/recvfrom.S
+++ b/libc/arch-arm/syscalls/recvfrom.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvfrom)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/recvmmsg.S b/libc/arch-arm/syscalls/recvmmsg.S
index dd8cd8c..067ed1e 100644
--- a/libc/arch-arm/syscalls/recvmmsg.S
+++ b/libc/arch-arm/syscalls/recvmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmmsg)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/recvmsg.S b/libc/arch-arm/syscalls/recvmsg.S
index 47e82a7..f688481 100644
--- a/libc/arch-arm/syscalls/recvmsg.S
+++ b/libc/arch-arm/syscalls/recvmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmsg)
     mov     ip, r7
     ldr     r7, =__NR_recvmsg
diff --git a/libc/arch-arm/syscalls/removexattr.S b/libc/arch-arm/syscalls/removexattr.S
index a3fcdfa..59d0e2f 100644
--- a/libc/arch-arm/syscalls/removexattr.S
+++ b/libc/arch-arm/syscalls/removexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(removexattr)
     mov     ip, r7
     ldr     r7, =__NR_removexattr
diff --git a/libc/arch-arm/syscalls/renameat.S b/libc/arch-arm/syscalls/renameat.S
index cea6286..7a4d268 100644
--- a/libc/arch-arm/syscalls/renameat.S
+++ b/libc/arch-arm/syscalls/renameat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(renameat)
     mov     ip, r7
     ldr     r7, =__NR_renameat
diff --git a/libc/arch-arm/syscalls/sched_get_priority_max.S b/libc/arch-arm/syscalls/sched_get_priority_max.S
index c940adc..2aafafc 100644
--- a/libc/arch-arm/syscalls/sched_get_priority_max.S
+++ b/libc/arch-arm/syscalls/sched_get_priority_max.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_max)
     mov     ip, r7
     ldr     r7, =__NR_sched_get_priority_max
diff --git a/libc/arch-arm/syscalls/sched_get_priority_min.S b/libc/arch-arm/syscalls/sched_get_priority_min.S
index 39faede..40e14ef 100644
--- a/libc/arch-arm/syscalls/sched_get_priority_min.S
+++ b/libc/arch-arm/syscalls/sched_get_priority_min.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_min)
     mov     ip, r7
     ldr     r7, =__NR_sched_get_priority_min
diff --git a/libc/arch-arm/syscalls/sched_getparam.S b/libc/arch-arm/syscalls/sched_getparam.S
index 59df104..3d58651 100644
--- a/libc/arch-arm/syscalls/sched_getparam.S
+++ b/libc/arch-arm/syscalls/sched_getparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getparam)
     mov     ip, r7
     ldr     r7, =__NR_sched_getparam
diff --git a/libc/arch-arm/syscalls/sched_getscheduler.S b/libc/arch-arm/syscalls/sched_getscheduler.S
index 953368d..e9478ca 100644
--- a/libc/arch-arm/syscalls/sched_getscheduler.S
+++ b/libc/arch-arm/syscalls/sched_getscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getscheduler)
     mov     ip, r7
     ldr     r7, =__NR_sched_getscheduler
diff --git a/libc/arch-arm/syscalls/sched_rr_get_interval.S b/libc/arch-arm/syscalls/sched_rr_get_interval.S
index 1fa7d15..ed90b73 100644
--- a/libc/arch-arm/syscalls/sched_rr_get_interval.S
+++ b/libc/arch-arm/syscalls/sched_rr_get_interval.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_rr_get_interval)
     mov     ip, r7
     ldr     r7, =__NR_sched_rr_get_interval
diff --git a/libc/arch-arm/syscalls/sched_setaffinity.S b/libc/arch-arm/syscalls/sched_setaffinity.S
index 63bfe4d..d5f72a9 100644
--- a/libc/arch-arm/syscalls/sched_setaffinity.S
+++ b/libc/arch-arm/syscalls/sched_setaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setaffinity)
     mov     ip, r7
     ldr     r7, =__NR_sched_setaffinity
diff --git a/libc/arch-arm/syscalls/sched_setparam.S b/libc/arch-arm/syscalls/sched_setparam.S
index 324f0bb..3ec06c0 100644
--- a/libc/arch-arm/syscalls/sched_setparam.S
+++ b/libc/arch-arm/syscalls/sched_setparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setparam)
     mov     ip, r7
     ldr     r7, =__NR_sched_setparam
diff --git a/libc/arch-arm/syscalls/sched_setscheduler.S b/libc/arch-arm/syscalls/sched_setscheduler.S
index 0ce6b15..0e61ffb 100644
--- a/libc/arch-arm/syscalls/sched_setscheduler.S
+++ b/libc/arch-arm/syscalls/sched_setscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setscheduler)
     mov     ip, r7
     ldr     r7, =__NR_sched_setscheduler
diff --git a/libc/arch-arm/syscalls/sched_yield.S b/libc/arch-arm/syscalls/sched_yield.S
index 8e6d65a..f26297e 100644
--- a/libc/arch-arm/syscalls/sched_yield.S
+++ b/libc/arch-arm/syscalls/sched_yield.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_yield)
     mov     ip, r7
     ldr     r7, =__NR_sched_yield
diff --git a/libc/arch-arm/syscalls/sendfile.S b/libc/arch-arm/syscalls/sendfile.S
index 28b25a3..e4df8ff 100644
--- a/libc/arch-arm/syscalls/sendfile.S
+++ b/libc/arch-arm/syscalls/sendfile.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile)
     mov     ip, r7
     ldr     r7, =__NR_sendfile
diff --git a/libc/arch-arm/syscalls/sendfile64.S b/libc/arch-arm/syscalls/sendfile64.S
index 4a9f245..ab48963 100644
--- a/libc/arch-arm/syscalls/sendfile64.S
+++ b/libc/arch-arm/syscalls/sendfile64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile64)
     mov     ip, r7
     ldr     r7, =__NR_sendfile64
diff --git a/libc/arch-arm/syscalls/sendmmsg.S b/libc/arch-arm/syscalls/sendmmsg.S
index 04c3fe3..998e6c7 100644
--- a/libc/arch-arm/syscalls/sendmmsg.S
+++ b/libc/arch-arm/syscalls/sendmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmmsg)
     mov     ip, r7
     ldr     r7, =__NR_sendmmsg
diff --git a/libc/arch-arm/syscalls/sendmsg.S b/libc/arch-arm/syscalls/sendmsg.S
index 554f307..d25d6b4 100644
--- a/libc/arch-arm/syscalls/sendmsg.S
+++ b/libc/arch-arm/syscalls/sendmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmsg)
     mov     ip, r7
     ldr     r7, =__NR_sendmsg
diff --git a/libc/arch-arm/syscalls/sendto.S b/libc/arch-arm/syscalls/sendto.S
index bd0ec1d..b5e8de9 100644
--- a/libc/arch-arm/syscalls/sendto.S
+++ b/libc/arch-arm/syscalls/sendto.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendto)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/setfsgid.S b/libc/arch-arm/syscalls/setfsgid.S
index e36e6ea..7cdb610 100644
--- a/libc/arch-arm/syscalls/setfsgid.S
+++ b/libc/arch-arm/syscalls/setfsgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsgid)
     mov     ip, r7
     ldr     r7, =__NR_setfsgid
diff --git a/libc/arch-arm/syscalls/setfsuid.S b/libc/arch-arm/syscalls/setfsuid.S
index e3c9c00..ae65298 100644
--- a/libc/arch-arm/syscalls/setfsuid.S
+++ b/libc/arch-arm/syscalls/setfsuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsuid)
     mov     ip, r7
     ldr     r7, =__NR_setfsuid
diff --git a/libc/arch-arm/syscalls/setgid.S b/libc/arch-arm/syscalls/setgid.S
index fb38148..15583ac 100644
--- a/libc/arch-arm/syscalls/setgid.S
+++ b/libc/arch-arm/syscalls/setgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgid)
     mov     ip, r7
     ldr     r7, =__NR_setgid32
diff --git a/libc/arch-arm/syscalls/setgroups.S b/libc/arch-arm/syscalls/setgroups.S
index 5420a53..eb610b1 100644
--- a/libc/arch-arm/syscalls/setgroups.S
+++ b/libc/arch-arm/syscalls/setgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgroups)
     mov     ip, r7
     ldr     r7, =__NR_setgroups32
diff --git a/libc/arch-arm/syscalls/setitimer.S b/libc/arch-arm/syscalls/setitimer.S
index 2345e5b..4da2b40 100644
--- a/libc/arch-arm/syscalls/setitimer.S
+++ b/libc/arch-arm/syscalls/setitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setitimer)
     mov     ip, r7
     ldr     r7, =__NR_setitimer
diff --git a/libc/arch-arm/syscalls/setns.S b/libc/arch-arm/syscalls/setns.S
index 7afbff0..891a0ac 100644
--- a/libc/arch-arm/syscalls/setns.S
+++ b/libc/arch-arm/syscalls/setns.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setns)
     mov     ip, r7
     ldr     r7, =__NR_setns
diff --git a/libc/arch-arm/syscalls/setpgid.S b/libc/arch-arm/syscalls/setpgid.S
index 1470a9d..e4edcdf 100644
--- a/libc/arch-arm/syscalls/setpgid.S
+++ b/libc/arch-arm/syscalls/setpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpgid)
     mov     ip, r7
     ldr     r7, =__NR_setpgid
diff --git a/libc/arch-arm/syscalls/setpriority.S b/libc/arch-arm/syscalls/setpriority.S
index b7f47be..80d0d82 100644
--- a/libc/arch-arm/syscalls/setpriority.S
+++ b/libc/arch-arm/syscalls/setpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpriority)
     mov     ip, r7
     ldr     r7, =__NR_setpriority
diff --git a/libc/arch-arm/syscalls/setregid.S b/libc/arch-arm/syscalls/setregid.S
index a4323d4..b2cd345 100644
--- a/libc/arch-arm/syscalls/setregid.S
+++ b/libc/arch-arm/syscalls/setregid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setregid)
     mov     ip, r7
     ldr     r7, =__NR_setregid32
diff --git a/libc/arch-arm/syscalls/setresgid.S b/libc/arch-arm/syscalls/setresgid.S
index a578440..75a9f75 100644
--- a/libc/arch-arm/syscalls/setresgid.S
+++ b/libc/arch-arm/syscalls/setresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresgid)
     mov     ip, r7
     ldr     r7, =__NR_setresgid32
diff --git a/libc/arch-arm/syscalls/setresuid.S b/libc/arch-arm/syscalls/setresuid.S
index 9798bc5..f3382f2 100644
--- a/libc/arch-arm/syscalls/setresuid.S
+++ b/libc/arch-arm/syscalls/setresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresuid)
     mov     ip, r7
     ldr     r7, =__NR_setresuid32
diff --git a/libc/arch-arm/syscalls/setreuid.S b/libc/arch-arm/syscalls/setreuid.S
index fa83dc6..1d866e9 100644
--- a/libc/arch-arm/syscalls/setreuid.S
+++ b/libc/arch-arm/syscalls/setreuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setreuid)
     mov     ip, r7
     ldr     r7, =__NR_setreuid32
diff --git a/libc/arch-arm/syscalls/setrlimit.S b/libc/arch-arm/syscalls/setrlimit.S
index 0711aca..0ddd711 100644
--- a/libc/arch-arm/syscalls/setrlimit.S
+++ b/libc/arch-arm/syscalls/setrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setrlimit)
     mov     ip, r7
     ldr     r7, =__NR_setrlimit
diff --git a/libc/arch-arm/syscalls/setsid.S b/libc/arch-arm/syscalls/setsid.S
index df6196b..69b351f 100644
--- a/libc/arch-arm/syscalls/setsid.S
+++ b/libc/arch-arm/syscalls/setsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsid)
     mov     ip, r7
     ldr     r7, =__NR_setsid
diff --git a/libc/arch-arm/syscalls/setsockopt.S b/libc/arch-arm/syscalls/setsockopt.S
index b2d7597..87df622 100644
--- a/libc/arch-arm/syscalls/setsockopt.S
+++ b/libc/arch-arm/syscalls/setsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsockopt)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/settimeofday.S b/libc/arch-arm/syscalls/settimeofday.S
index af39761..76697fc 100644
--- a/libc/arch-arm/syscalls/settimeofday.S
+++ b/libc/arch-arm/syscalls/settimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(settimeofday)
     mov     ip, r7
     ldr     r7, =__NR_settimeofday
diff --git a/libc/arch-arm/syscalls/setuid.S b/libc/arch-arm/syscalls/setuid.S
index 1999c2b..26d3ed1 100644
--- a/libc/arch-arm/syscalls/setuid.S
+++ b/libc/arch-arm/syscalls/setuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setuid)
     mov     ip, r7
     ldr     r7, =__NR_setuid32
diff --git a/libc/arch-arm/syscalls/setxattr.S b/libc/arch-arm/syscalls/setxattr.S
index 022195d..ec948ce 100644
--- a/libc/arch-arm/syscalls/setxattr.S
+++ b/libc/arch-arm/syscalls/setxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setxattr)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/shutdown.S b/libc/arch-arm/syscalls/shutdown.S
index 744f384..e9a27d4 100644
--- a/libc/arch-arm/syscalls/shutdown.S
+++ b/libc/arch-arm/syscalls/shutdown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(shutdown)
     mov     ip, r7
     ldr     r7, =__NR_shutdown
diff --git a/libc/arch-arm/syscalls/sigaltstack.S b/libc/arch-arm/syscalls/sigaltstack.S
index d8777b4..18a1ffe 100644
--- a/libc/arch-arm/syscalls/sigaltstack.S
+++ b/libc/arch-arm/syscalls/sigaltstack.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sigaltstack)
     mov     ip, r7
     ldr     r7, =__NR_sigaltstack
diff --git a/libc/arch-arm/syscalls/socketpair.S b/libc/arch-arm/syscalls/socketpair.S
index f896313..66f0c32 100644
--- a/libc/arch-arm/syscalls/socketpair.S
+++ b/libc/arch-arm/syscalls/socketpair.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(socketpair)
     mov     ip, r7
     ldr     r7, =__NR_socketpair
diff --git a/libc/arch-arm/syscalls/splice.S b/libc/arch-arm/syscalls/splice.S
index 782ba6c..6273138 100644
--- a/libc/arch-arm/syscalls/splice.S
+++ b/libc/arch-arm/syscalls/splice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(splice)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
diff --git a/libc/arch-arm/syscalls/swapoff.S b/libc/arch-arm/syscalls/swapoff.S
index f78bc7f..a497aad 100644
--- a/libc/arch-arm/syscalls/swapoff.S
+++ b/libc/arch-arm/syscalls/swapoff.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapoff)
     mov     ip, r7
     ldr     r7, =__NR_swapoff
diff --git a/libc/arch-arm/syscalls/swapon.S b/libc/arch-arm/syscalls/swapon.S
index d28216a..ded2abc 100644
--- a/libc/arch-arm/syscalls/swapon.S
+++ b/libc/arch-arm/syscalls/swapon.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapon)
     mov     ip, r7
     ldr     r7, =__NR_swapon
diff --git a/libc/arch-arm/syscalls/symlinkat.S b/libc/arch-arm/syscalls/symlinkat.S
index d81e43b..cc91b88 100644
--- a/libc/arch-arm/syscalls/symlinkat.S
+++ b/libc/arch-arm/syscalls/symlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(symlinkat)
     mov     ip, r7
     ldr     r7, =__NR_symlinkat
diff --git a/libc/arch-arm/syscalls/sync.S b/libc/arch-arm/syscalls/sync.S
index 279a192..ab22855 100644
--- a/libc/arch-arm/syscalls/sync.S
+++ b/libc/arch-arm/syscalls/sync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sync)
     mov     ip, r7
     ldr     r7, =__NR_sync
diff --git a/libc/arch-arm/syscalls/sysinfo.S b/libc/arch-arm/syscalls/sysinfo.S
index 6bee583..f5fb4e6 100644
--- a/libc/arch-arm/syscalls/sysinfo.S
+++ b/libc/arch-arm/syscalls/sysinfo.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sysinfo)
     mov     ip, r7
     ldr     r7, =__NR_sysinfo
diff --git a/libc/arch-arm/syscalls/tee.S b/libc/arch-arm/syscalls/tee.S
index 9174617..7e155df 100644
--- a/libc/arch-arm/syscalls/tee.S
+++ b/libc/arch-arm/syscalls/tee.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tee)
     mov     ip, r7
     ldr     r7, =__NR_tee
diff --git a/libc/arch-arm/syscalls/tgkill.S b/libc/arch-arm/syscalls/tgkill.S
index 4ea04f5..98440b1 100644
--- a/libc/arch-arm/syscalls/tgkill.S
+++ b/libc/arch-arm/syscalls/tgkill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tgkill)
     mov     ip, r7
     ldr     r7, =__NR_tgkill
diff --git a/libc/arch-arm/syscalls/timerfd_create.S b/libc/arch-arm/syscalls/timerfd_create.S
index f5842e9..9211b54 100644
--- a/libc/arch-arm/syscalls/timerfd_create.S
+++ b/libc/arch-arm/syscalls/timerfd_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_create)
     mov     ip, r7
     ldr     r7, =__NR_timerfd_create
diff --git a/libc/arch-arm/syscalls/timerfd_gettime.S b/libc/arch-arm/syscalls/timerfd_gettime.S
index 6f254e5..c27e008 100644
--- a/libc/arch-arm/syscalls/timerfd_gettime.S
+++ b/libc/arch-arm/syscalls/timerfd_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_gettime)
     mov     ip, r7
     ldr     r7, =__NR_timerfd_gettime
diff --git a/libc/arch-arm/syscalls/timerfd_settime.S b/libc/arch-arm/syscalls/timerfd_settime.S
index 75d175c..7acd408 100644
--- a/libc/arch-arm/syscalls/timerfd_settime.S
+++ b/libc/arch-arm/syscalls/timerfd_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_settime)
     mov     ip, r7
     ldr     r7, =__NR_timerfd_settime
diff --git a/libc/arch-arm/syscalls/times.S b/libc/arch-arm/syscalls/times.S
index 4792ad1..b5695c4 100644
--- a/libc/arch-arm/syscalls/times.S
+++ b/libc/arch-arm/syscalls/times.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(times)
     mov     ip, r7
     ldr     r7, =__NR_times
diff --git a/libc/arch-arm/syscalls/truncate.S b/libc/arch-arm/syscalls/truncate.S
index ff8fd19..7915722 100644
--- a/libc/arch-arm/syscalls/truncate.S
+++ b/libc/arch-arm/syscalls/truncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate)
     mov     ip, r7
     ldr     r7, =__NR_truncate
diff --git a/libc/arch-arm/syscalls/truncate64.S b/libc/arch-arm/syscalls/truncate64.S
index 8fd0855..d59374a 100644
--- a/libc/arch-arm/syscalls/truncate64.S
+++ b/libc/arch-arm/syscalls/truncate64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate64)
     mov     ip, r7
     ldr     r7, =__NR_truncate64
diff --git a/libc/arch-arm/syscalls/umask.S b/libc/arch-arm/syscalls/umask.S
index 830af21..5b03fb3 100644
--- a/libc/arch-arm/syscalls/umask.S
+++ b/libc/arch-arm/syscalls/umask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umask)
     mov     ip, r7
     ldr     r7, =__NR_umask
diff --git a/libc/arch-arm/syscalls/umount2.S b/libc/arch-arm/syscalls/umount2.S
index 4c0ce4d..841eb97 100644
--- a/libc/arch-arm/syscalls/umount2.S
+++ b/libc/arch-arm/syscalls/umount2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umount2)
     mov     ip, r7
     ldr     r7, =__NR_umount2
diff --git a/libc/arch-arm/syscalls/uname.S b/libc/arch-arm/syscalls/uname.S
index 20a6d7d..76480b4 100644
--- a/libc/arch-arm/syscalls/uname.S
+++ b/libc/arch-arm/syscalls/uname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(uname)
     mov     ip, r7
     ldr     r7, =__NR_uname
diff --git a/libc/arch-arm/syscalls/unlinkat.S b/libc/arch-arm/syscalls/unlinkat.S
index 1c27416..6759768 100644
--- a/libc/arch-arm/syscalls/unlinkat.S
+++ b/libc/arch-arm/syscalls/unlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unlinkat)
     mov     ip, r7
     ldr     r7, =__NR_unlinkat
diff --git a/libc/arch-arm/syscalls/unshare.S b/libc/arch-arm/syscalls/unshare.S
index 5ec1049..19a5b6a 100644
--- a/libc/arch-arm/syscalls/unshare.S
+++ b/libc/arch-arm/syscalls/unshare.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unshare)
     mov     ip, r7
     ldr     r7, =__NR_unshare
diff --git a/libc/arch-arm/syscalls/utimensat.S b/libc/arch-arm/syscalls/utimensat.S
index f0f834f..6d50688 100644
--- a/libc/arch-arm/syscalls/utimensat.S
+++ b/libc/arch-arm/syscalls/utimensat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(utimensat)
     mov     ip, r7
     ldr     r7, =__NR_utimensat
diff --git a/libc/arch-arm/syscalls/vfork.S b/libc/arch-arm/syscalls/vfork.S
index e12fba5..8543986 100644
--- a/libc/arch-arm/syscalls/vfork.S
+++ b/libc/arch-arm/syscalls/vfork.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(vfork)
     mov     ip, r7
     ldr     r7, =__NR_vfork
diff --git a/libc/arch-arm/syscalls/vmsplice.S b/libc/arch-arm/syscalls/vmsplice.S
index 3b89623..8239158 100644
--- a/libc/arch-arm/syscalls/vmsplice.S
+++ b/libc/arch-arm/syscalls/vmsplice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(vmsplice)
     mov     ip, r7
     ldr     r7, =__NR_vmsplice
diff --git a/libc/arch-arm/syscalls/wait4.S b/libc/arch-arm/syscalls/wait4.S
index a197c2e..ffb2587 100644
--- a/libc/arch-arm/syscalls/wait4.S
+++ b/libc/arch-arm/syscalls/wait4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(wait4)
     mov     ip, r7
     ldr     r7, =__NR_wait4
diff --git a/libc/arch-arm/syscalls/write.S b/libc/arch-arm/syscalls/write.S
index ed7cfa2..8da1176 100644
--- a/libc/arch-arm/syscalls/write.S
+++ b/libc/arch-arm/syscalls/write.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(write)
     mov     ip, r7
     ldr     r7, =__NR_write
diff --git a/libc/arch-arm/syscalls/writev.S b/libc/arch-arm/syscalls/writev.S
index 8cc506f..f17ad94 100644
--- a/libc/arch-arm/syscalls/writev.S
+++ b/libc/arch-arm/syscalls/writev.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(writev)
     mov     ip, r7
     ldr     r7, =__NR_writev
diff --git a/libc/arch-arm64/syscalls/__accept4.S b/libc/arch-arm64/syscalls/__accept4.S
index 1c2a674..bee9fda 100644
--- a/libc/arch-arm64/syscalls/__accept4.S
+++ b/libc/arch-arm64/syscalls/__accept4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__accept4)
     mov     x8, __NR_accept4
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__brk.S b/libc/arch-arm64/syscalls/__brk.S
index 85ed767..e91e762 100644
--- a/libc/arch-arm64/syscalls/__brk.S
+++ b/libc/arch-arm64/syscalls/__brk.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__brk)
     mov     x8, __NR_brk
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__clock_gettime.S b/libc/arch-arm64/syscalls/__clock_gettime.S
index f346648..d4a65e8 100644
--- a/libc/arch-arm64/syscalls/__clock_gettime.S
+++ b/libc/arch-arm64/syscalls/__clock_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__clock_gettime)
     mov     x8, __NR_clock_gettime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__connect.S b/libc/arch-arm64/syscalls/__connect.S
index 0d664f0..4f19dc7 100644
--- a/libc/arch-arm64/syscalls/__connect.S
+++ b/libc/arch-arm64/syscalls/__connect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__connect)
     mov     x8, __NR_connect
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__epoll_pwait.S b/libc/arch-arm64/syscalls/__epoll_pwait.S
index 45275c0..7f40fbc 100644
--- a/libc/arch-arm64/syscalls/__epoll_pwait.S
+++ b/libc/arch-arm64/syscalls/__epoll_pwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__epoll_pwait)
     mov     x8, __NR_epoll_pwait
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__exit.S b/libc/arch-arm64/syscalls/__exit.S
index e358513..30849ce 100644
--- a/libc/arch-arm64/syscalls/__exit.S
+++ b/libc/arch-arm64/syscalls/__exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__exit)
     mov     x8, __NR_exit
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getcpu.S b/libc/arch-arm64/syscalls/__getcpu.S
index 5e4368f..4821917 100644
--- a/libc/arch-arm64/syscalls/__getcpu.S
+++ b/libc/arch-arm64/syscalls/__getcpu.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcpu)
     mov     x8, __NR_getcpu
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getcwd.S b/libc/arch-arm64/syscalls/__getcwd.S
index bd4fbaa..f0212a2 100644
--- a/libc/arch-arm64/syscalls/__getcwd.S
+++ b/libc/arch-arm64/syscalls/__getcwd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcwd)
     mov     x8, __NR_getcwd
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getdents64.S b/libc/arch-arm64/syscalls/__getdents64.S
index bf0f9a4..0061cd6 100644
--- a/libc/arch-arm64/syscalls/__getdents64.S
+++ b/libc/arch-arm64/syscalls/__getdents64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getdents64)
     mov     x8, __NR_getdents64
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getpid.S b/libc/arch-arm64/syscalls/__getpid.S
index c3003c3..011d82d 100644
--- a/libc/arch-arm64/syscalls/__getpid.S
+++ b/libc/arch-arm64/syscalls/__getpid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpid)
     mov     x8, __NR_getpid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getpriority.S b/libc/arch-arm64/syscalls/__getpriority.S
index 57ceabf..80188b3 100644
--- a/libc/arch-arm64/syscalls/__getpriority.S
+++ b/libc/arch-arm64/syscalls/__getpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpriority)
     mov     x8, __NR_getpriority
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__gettimeofday.S b/libc/arch-arm64/syscalls/__gettimeofday.S
index 6582c49..7d1b5d3 100644
--- a/libc/arch-arm64/syscalls/__gettimeofday.S
+++ b/libc/arch-arm64/syscalls/__gettimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__gettimeofday)
     mov     x8, __NR_gettimeofday
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__ioctl.S b/libc/arch-arm64/syscalls/__ioctl.S
index f632555..3d42f1a 100644
--- a/libc/arch-arm64/syscalls/__ioctl.S
+++ b/libc/arch-arm64/syscalls/__ioctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ioctl)
     mov     x8, __NR_ioctl
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__openat.S b/libc/arch-arm64/syscalls/__openat.S
index e1b0da3..1ff0b48 100644
--- a/libc/arch-arm64/syscalls/__openat.S
+++ b/libc/arch-arm64/syscalls/__openat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__openat)
     mov     x8, __NR_openat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__ppoll.S b/libc/arch-arm64/syscalls/__ppoll.S
index 31e5578..9517ce3 100644
--- a/libc/arch-arm64/syscalls/__ppoll.S
+++ b/libc/arch-arm64/syscalls/__ppoll.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ppoll)
     mov     x8, __NR_ppoll
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__pselect6.S b/libc/arch-arm64/syscalls/__pselect6.S
index b0e4770..7e14e02 100644
--- a/libc/arch-arm64/syscalls/__pselect6.S
+++ b/libc/arch-arm64/syscalls/__pselect6.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__pselect6)
     mov     x8, __NR_pselect6
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__ptrace.S b/libc/arch-arm64/syscalls/__ptrace.S
index 054bb6f..b325e29 100644
--- a/libc/arch-arm64/syscalls/__ptrace.S
+++ b/libc/arch-arm64/syscalls/__ptrace.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ptrace)
     mov     x8, __NR_ptrace
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__reboot.S b/libc/arch-arm64/syscalls/__reboot.S
index e24553c..04b18c9 100644
--- a/libc/arch-arm64/syscalls/__reboot.S
+++ b/libc/arch-arm64/syscalls/__reboot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__reboot)
     mov     x8, __NR_reboot
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigaction.S b/libc/arch-arm64/syscalls/__rt_sigaction.S
index 3d84544..3def558 100644
--- a/libc/arch-arm64/syscalls/__rt_sigaction.S
+++ b/libc/arch-arm64/syscalls/__rt_sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigaction)
     mov     x8, __NR_rt_sigaction
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigpending.S b/libc/arch-arm64/syscalls/__rt_sigpending.S
index 60f0a10..3ac0cb8 100644
--- a/libc/arch-arm64/syscalls/__rt_sigpending.S
+++ b/libc/arch-arm64/syscalls/__rt_sigpending.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigpending)
     mov     x8, __NR_rt_sigpending
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigprocmask.S b/libc/arch-arm64/syscalls/__rt_sigprocmask.S
index 7f5b3ac..72c7ea6 100644
--- a/libc/arch-arm64/syscalls/__rt_sigprocmask.S
+++ b/libc/arch-arm64/syscalls/__rt_sigprocmask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigprocmask)
     mov     x8, __NR_rt_sigprocmask
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigsuspend.S b/libc/arch-arm64/syscalls/__rt_sigsuspend.S
index 08b1197..a289713 100644
--- a/libc/arch-arm64/syscalls/__rt_sigsuspend.S
+++ b/libc/arch-arm64/syscalls/__rt_sigsuspend.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigsuspend)
     mov     x8, __NR_rt_sigsuspend
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigtimedwait.S b/libc/arch-arm64/syscalls/__rt_sigtimedwait.S
index 8bc9a7a..c61e4ac 100644
--- a/libc/arch-arm64/syscalls/__rt_sigtimedwait.S
+++ b/libc/arch-arm64/syscalls/__rt_sigtimedwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigtimedwait)
     mov     x8, __NR_rt_sigtimedwait
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__sched_getaffinity.S b/libc/arch-arm64/syscalls/__sched_getaffinity.S
index c0d392c..5bee77e 100644
--- a/libc/arch-arm64/syscalls/__sched_getaffinity.S
+++ b/libc/arch-arm64/syscalls/__sched_getaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sched_getaffinity)
     mov     x8, __NR_sched_getaffinity
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__set_tid_address.S b/libc/arch-arm64/syscalls/__set_tid_address.S
index 296c907..e4790bf 100644
--- a/libc/arch-arm64/syscalls/__set_tid_address.S
+++ b/libc/arch-arm64/syscalls/__set_tid_address.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tid_address)
     mov     x8, __NR_set_tid_address
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__signalfd4.S b/libc/arch-arm64/syscalls/__signalfd4.S
index 3932003..a977a6c 100644
--- a/libc/arch-arm64/syscalls/__signalfd4.S
+++ b/libc/arch-arm64/syscalls/__signalfd4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__signalfd4)
     mov     x8, __NR_signalfd4
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__socket.S b/libc/arch-arm64/syscalls/__socket.S
index db7f2aa..f8bb2ac 100644
--- a/libc/arch-arm64/syscalls/__socket.S
+++ b/libc/arch-arm64/syscalls/__socket.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__socket)
     mov     x8, __NR_socket
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_create.S b/libc/arch-arm64/syscalls/__timer_create.S
index a5e69e3..bb54952 100644
--- a/libc/arch-arm64/syscalls/__timer_create.S
+++ b/libc/arch-arm64/syscalls/__timer_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_create)
     mov     x8, __NR_timer_create
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_delete.S b/libc/arch-arm64/syscalls/__timer_delete.S
index 44a7481..47d82f2 100644
--- a/libc/arch-arm64/syscalls/__timer_delete.S
+++ b/libc/arch-arm64/syscalls/__timer_delete.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_delete)
     mov     x8, __NR_timer_delete
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_getoverrun.S b/libc/arch-arm64/syscalls/__timer_getoverrun.S
index e1d959a..9c06112 100644
--- a/libc/arch-arm64/syscalls/__timer_getoverrun.S
+++ b/libc/arch-arm64/syscalls/__timer_getoverrun.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_getoverrun)
     mov     x8, __NR_timer_getoverrun
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_gettime.S b/libc/arch-arm64/syscalls/__timer_gettime.S
index 7632290..e7c7cfe 100644
--- a/libc/arch-arm64/syscalls/__timer_gettime.S
+++ b/libc/arch-arm64/syscalls/__timer_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_gettime)
     mov     x8, __NR_timer_gettime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_settime.S b/libc/arch-arm64/syscalls/__timer_settime.S
index 92e4a76..d4a4996 100644
--- a/libc/arch-arm64/syscalls/__timer_settime.S
+++ b/libc/arch-arm64/syscalls/__timer_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_settime)
     mov     x8, __NR_timer_settime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__waitid.S b/libc/arch-arm64/syscalls/__waitid.S
index 9267239..5bff488 100644
--- a/libc/arch-arm64/syscalls/__waitid.S
+++ b/libc/arch-arm64/syscalls/__waitid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__waitid)
     mov     x8, __NR_waitid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/_exit.S b/libc/arch-arm64/syscalls/_exit.S
index 38b073b..e88e77a 100644
--- a/libc/arch-arm64/syscalls/_exit.S
+++ b/libc/arch-arm64/syscalls/_exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(_exit)
     mov     x8, __NR_exit_group
     svc     #0
diff --git a/libc/arch-arm64/syscalls/acct.S b/libc/arch-arm64/syscalls/acct.S
index 15e3086..97a8a0c 100644
--- a/libc/arch-arm64/syscalls/acct.S
+++ b/libc/arch-arm64/syscalls/acct.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(acct)
     mov     x8, __NR_acct
     svc     #0
diff --git a/libc/arch-arm64/syscalls/bind.S b/libc/arch-arm64/syscalls/bind.S
index b3925db..1d6d901 100644
--- a/libc/arch-arm64/syscalls/bind.S
+++ b/libc/arch-arm64/syscalls/bind.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(bind)
     mov     x8, __NR_bind
     svc     #0
diff --git a/libc/arch-arm64/syscalls/capget.S b/libc/arch-arm64/syscalls/capget.S
index b897e5d..de84929 100644
--- a/libc/arch-arm64/syscalls/capget.S
+++ b/libc/arch-arm64/syscalls/capget.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capget)
     mov     x8, __NR_capget
     svc     #0
diff --git a/libc/arch-arm64/syscalls/capset.S b/libc/arch-arm64/syscalls/capset.S
index 1d94aa3..1616f8f 100644
--- a/libc/arch-arm64/syscalls/capset.S
+++ b/libc/arch-arm64/syscalls/capset.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capset)
     mov     x8, __NR_capset
     svc     #0
diff --git a/libc/arch-arm64/syscalls/chdir.S b/libc/arch-arm64/syscalls/chdir.S
index a7bf6c2..ccaa2e2 100644
--- a/libc/arch-arm64/syscalls/chdir.S
+++ b/libc/arch-arm64/syscalls/chdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chdir)
     mov     x8, __NR_chdir
     svc     #0
diff --git a/libc/arch-arm64/syscalls/chroot.S b/libc/arch-arm64/syscalls/chroot.S
index 98bd5d1..bede172 100644
--- a/libc/arch-arm64/syscalls/chroot.S
+++ b/libc/arch-arm64/syscalls/chroot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chroot)
     mov     x8, __NR_chroot
     svc     #0
diff --git a/libc/arch-arm64/syscalls/clock_getres.S b/libc/arch-arm64/syscalls/clock_getres.S
index b6e7e56..3944a15 100644
--- a/libc/arch-arm64/syscalls/clock_getres.S
+++ b/libc/arch-arm64/syscalls/clock_getres.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_getres)
     mov     x8, __NR_clock_getres
     svc     #0
diff --git a/libc/arch-arm64/syscalls/clock_nanosleep.S b/libc/arch-arm64/syscalls/clock_nanosleep.S
index b64ff68..2182f67 100644
--- a/libc/arch-arm64/syscalls/clock_nanosleep.S
+++ b/libc/arch-arm64/syscalls/clock_nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_nanosleep)
     mov     x8, __NR_clock_nanosleep
     svc     #0
diff --git a/libc/arch-arm64/syscalls/clock_settime.S b/libc/arch-arm64/syscalls/clock_settime.S
index adc1680..14a662b 100644
--- a/libc/arch-arm64/syscalls/clock_settime.S
+++ b/libc/arch-arm64/syscalls/clock_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_settime)
     mov     x8, __NR_clock_settime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/close.S b/libc/arch-arm64/syscalls/close.S
index b4b72d9..da9a151 100644
--- a/libc/arch-arm64/syscalls/close.S
+++ b/libc/arch-arm64/syscalls/close.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(close)
     mov     x8, __NR_close
     svc     #0
diff --git a/libc/arch-arm64/syscalls/delete_module.S b/libc/arch-arm64/syscalls/delete_module.S
index ed51847..5dcd07f 100644
--- a/libc/arch-arm64/syscalls/delete_module.S
+++ b/libc/arch-arm64/syscalls/delete_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(delete_module)
     mov     x8, __NR_delete_module
     svc     #0
diff --git a/libc/arch-arm64/syscalls/dup.S b/libc/arch-arm64/syscalls/dup.S
index 9584c51..33a1b65 100644
--- a/libc/arch-arm64/syscalls/dup.S
+++ b/libc/arch-arm64/syscalls/dup.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup)
     mov     x8, __NR_dup
     svc     #0
diff --git a/libc/arch-arm64/syscalls/dup3.S b/libc/arch-arm64/syscalls/dup3.S
index e303fba..441fec9 100644
--- a/libc/arch-arm64/syscalls/dup3.S
+++ b/libc/arch-arm64/syscalls/dup3.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup3)
     mov     x8, __NR_dup3
     svc     #0
diff --git a/libc/arch-arm64/syscalls/epoll_create1.S b/libc/arch-arm64/syscalls/epoll_create1.S
index 4ca8bfa..d314f55 100644
--- a/libc/arch-arm64/syscalls/epoll_create1.S
+++ b/libc/arch-arm64/syscalls/epoll_create1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_create1)
     mov     x8, __NR_epoll_create1
     svc     #0
diff --git a/libc/arch-arm64/syscalls/epoll_ctl.S b/libc/arch-arm64/syscalls/epoll_ctl.S
index c1c0dba..004c066 100644
--- a/libc/arch-arm64/syscalls/epoll_ctl.S
+++ b/libc/arch-arm64/syscalls/epoll_ctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_ctl)
     mov     x8, __NR_epoll_ctl
     svc     #0
diff --git a/libc/arch-arm64/syscalls/eventfd.S b/libc/arch-arm64/syscalls/eventfd.S
index ace608e..11e97d0 100644
--- a/libc/arch-arm64/syscalls/eventfd.S
+++ b/libc/arch-arm64/syscalls/eventfd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(eventfd)
     mov     x8, __NR_eventfd2
     svc     #0
diff --git a/libc/arch-arm64/syscalls/execve.S b/libc/arch-arm64/syscalls/execve.S
index ab0cb57..7b6d943 100644
--- a/libc/arch-arm64/syscalls/execve.S
+++ b/libc/arch-arm64/syscalls/execve.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(execve)
     mov     x8, __NR_execve
     svc     #0
diff --git a/libc/arch-arm64/syscalls/faccessat.S b/libc/arch-arm64/syscalls/faccessat.S
index 30a3852..7bd8665 100644
--- a/libc/arch-arm64/syscalls/faccessat.S
+++ b/libc/arch-arm64/syscalls/faccessat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(faccessat)
     mov     x8, __NR_faccessat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fallocate.S b/libc/arch-arm64/syscalls/fallocate.S
index 3092b34..d8795ae 100644
--- a/libc/arch-arm64/syscalls/fallocate.S
+++ b/libc/arch-arm64/syscalls/fallocate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fallocate)
     mov     x8, __NR_fallocate
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchdir.S b/libc/arch-arm64/syscalls/fchdir.S
index f7687f8..7739fed 100644
--- a/libc/arch-arm64/syscalls/fchdir.S
+++ b/libc/arch-arm64/syscalls/fchdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchdir)
     mov     x8, __NR_fchdir
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchmod.S b/libc/arch-arm64/syscalls/fchmod.S
index acc6718..3eec6cb 100644
--- a/libc/arch-arm64/syscalls/fchmod.S
+++ b/libc/arch-arm64/syscalls/fchmod.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmod)
     mov     x8, __NR_fchmod
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchmodat.S b/libc/arch-arm64/syscalls/fchmodat.S
index 23c2fd5..f2f285e 100644
--- a/libc/arch-arm64/syscalls/fchmodat.S
+++ b/libc/arch-arm64/syscalls/fchmodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmodat)
     mov     x8, __NR_fchmodat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchown.S b/libc/arch-arm64/syscalls/fchown.S
index 8e9db62..a689ba0 100644
--- a/libc/arch-arm64/syscalls/fchown.S
+++ b/libc/arch-arm64/syscalls/fchown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchown)
     mov     x8, __NR_fchown
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchownat.S b/libc/arch-arm64/syscalls/fchownat.S
index 3cf2c3d..7ede083 100644
--- a/libc/arch-arm64/syscalls/fchownat.S
+++ b/libc/arch-arm64/syscalls/fchownat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchownat)
     mov     x8, __NR_fchownat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fcntl.S b/libc/arch-arm64/syscalls/fcntl.S
index 45eff74..257c765 100644
--- a/libc/arch-arm64/syscalls/fcntl.S
+++ b/libc/arch-arm64/syscalls/fcntl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fcntl)
     mov     x8, __NR_fcntl
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fdatasync.S b/libc/arch-arm64/syscalls/fdatasync.S
index 77b76c4..233abda 100644
--- a/libc/arch-arm64/syscalls/fdatasync.S
+++ b/libc/arch-arm64/syscalls/fdatasync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fdatasync)
     mov     x8, __NR_fdatasync
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fgetxattr.S b/libc/arch-arm64/syscalls/fgetxattr.S
index 1f8edb6..bd579ff 100644
--- a/libc/arch-arm64/syscalls/fgetxattr.S
+++ b/libc/arch-arm64/syscalls/fgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fgetxattr)
     mov     x8, __NR_fgetxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/flistxattr.S b/libc/arch-arm64/syscalls/flistxattr.S
index 997529e..95ccbe2 100644
--- a/libc/arch-arm64/syscalls/flistxattr.S
+++ b/libc/arch-arm64/syscalls/flistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flistxattr)
     mov     x8, __NR_flistxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/flock.S b/libc/arch-arm64/syscalls/flock.S
index 0e1c3f5..2151d6c 100644
--- a/libc/arch-arm64/syscalls/flock.S
+++ b/libc/arch-arm64/syscalls/flock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flock)
     mov     x8, __NR_flock
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fremovexattr.S b/libc/arch-arm64/syscalls/fremovexattr.S
index d43430f..8dd107d 100644
--- a/libc/arch-arm64/syscalls/fremovexattr.S
+++ b/libc/arch-arm64/syscalls/fremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fremovexattr)
     mov     x8, __NR_fremovexattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fsetxattr.S b/libc/arch-arm64/syscalls/fsetxattr.S
index f40f875..9e54686 100644
--- a/libc/arch-arm64/syscalls/fsetxattr.S
+++ b/libc/arch-arm64/syscalls/fsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsetxattr)
     mov     x8, __NR_fsetxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fstat64.S b/libc/arch-arm64/syscalls/fstat64.S
index 9afe95b..f354e13 100644
--- a/libc/arch-arm64/syscalls/fstat64.S
+++ b/libc/arch-arm64/syscalls/fstat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstat64)
     mov     x8, __NR_fstat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fstatat64.S b/libc/arch-arm64/syscalls/fstatat64.S
index 30efd3b..2fe056e 100644
--- a/libc/arch-arm64/syscalls/fstatat64.S
+++ b/libc/arch-arm64/syscalls/fstatat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatat64)
     mov     x8, __NR_newfstatat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fstatfs64.S b/libc/arch-arm64/syscalls/fstatfs64.S
index 67ae67e..c67ffd6 100644
--- a/libc/arch-arm64/syscalls/fstatfs64.S
+++ b/libc/arch-arm64/syscalls/fstatfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatfs64)
     mov     x8, __NR_fstatfs
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fsync.S b/libc/arch-arm64/syscalls/fsync.S
index e22589e..ae2fc61 100644
--- a/libc/arch-arm64/syscalls/fsync.S
+++ b/libc/arch-arm64/syscalls/fsync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsync)
     mov     x8, __NR_fsync
     svc     #0
diff --git a/libc/arch-arm64/syscalls/ftruncate.S b/libc/arch-arm64/syscalls/ftruncate.S
index b45a170..adf87fe 100644
--- a/libc/arch-arm64/syscalls/ftruncate.S
+++ b/libc/arch-arm64/syscalls/ftruncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate)
     mov     x8, __NR_ftruncate
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getegid.S b/libc/arch-arm64/syscalls/getegid.S
index 675731c..5066cae 100644
--- a/libc/arch-arm64/syscalls/getegid.S
+++ b/libc/arch-arm64/syscalls/getegid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getegid)
     mov     x8, __NR_getegid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/geteuid.S b/libc/arch-arm64/syscalls/geteuid.S
index 8d9461e..25b1ea9 100644
--- a/libc/arch-arm64/syscalls/geteuid.S
+++ b/libc/arch-arm64/syscalls/geteuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(geteuid)
     mov     x8, __NR_geteuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getgid.S b/libc/arch-arm64/syscalls/getgid.S
index 4653fd8..3f49cb4 100644
--- a/libc/arch-arm64/syscalls/getgid.S
+++ b/libc/arch-arm64/syscalls/getgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgid)
     mov     x8, __NR_getgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getgroups.S b/libc/arch-arm64/syscalls/getgroups.S
index f22f1e9..3df4974 100644
--- a/libc/arch-arm64/syscalls/getgroups.S
+++ b/libc/arch-arm64/syscalls/getgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgroups)
     mov     x8, __NR_getgroups
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getitimer.S b/libc/arch-arm64/syscalls/getitimer.S
index 25d0b38..70cb731 100644
--- a/libc/arch-arm64/syscalls/getitimer.S
+++ b/libc/arch-arm64/syscalls/getitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getitimer)
     mov     x8, __NR_getitimer
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getpeername.S b/libc/arch-arm64/syscalls/getpeername.S
index aefd0c5..eefb24a 100644
--- a/libc/arch-arm64/syscalls/getpeername.S
+++ b/libc/arch-arm64/syscalls/getpeername.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpeername)
     mov     x8, __NR_getpeername
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getpgid.S b/libc/arch-arm64/syscalls/getpgid.S
index 4c750fb..d12ac52 100644
--- a/libc/arch-arm64/syscalls/getpgid.S
+++ b/libc/arch-arm64/syscalls/getpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpgid)
     mov     x8, __NR_getpgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getppid.S b/libc/arch-arm64/syscalls/getppid.S
index 540ecc4..af8965b 100644
--- a/libc/arch-arm64/syscalls/getppid.S
+++ b/libc/arch-arm64/syscalls/getppid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getppid)
     mov     x8, __NR_getppid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getresgid.S b/libc/arch-arm64/syscalls/getresgid.S
index 3ce5799..3c1c0c0 100644
--- a/libc/arch-arm64/syscalls/getresgid.S
+++ b/libc/arch-arm64/syscalls/getresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresgid)
     mov     x8, __NR_getresgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getresuid.S b/libc/arch-arm64/syscalls/getresuid.S
index 56851cc..f50e060 100644
--- a/libc/arch-arm64/syscalls/getresuid.S
+++ b/libc/arch-arm64/syscalls/getresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresuid)
     mov     x8, __NR_getresuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getrlimit.S b/libc/arch-arm64/syscalls/getrlimit.S
index 1f74773..b759912 100644
--- a/libc/arch-arm64/syscalls/getrlimit.S
+++ b/libc/arch-arm64/syscalls/getrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrlimit)
     mov     x8, __NR_getrlimit
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getrusage.S b/libc/arch-arm64/syscalls/getrusage.S
index 8154e4a..1a0d30f 100644
--- a/libc/arch-arm64/syscalls/getrusage.S
+++ b/libc/arch-arm64/syscalls/getrusage.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrusage)
     mov     x8, __NR_getrusage
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getsid.S b/libc/arch-arm64/syscalls/getsid.S
index f99623f..3c3d753 100644
--- a/libc/arch-arm64/syscalls/getsid.S
+++ b/libc/arch-arm64/syscalls/getsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsid)
     mov     x8, __NR_getsid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getsockname.S b/libc/arch-arm64/syscalls/getsockname.S
index e8bc006..a337986 100644
--- a/libc/arch-arm64/syscalls/getsockname.S
+++ b/libc/arch-arm64/syscalls/getsockname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockname)
     mov     x8, __NR_getsockname
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getsockopt.S b/libc/arch-arm64/syscalls/getsockopt.S
index 4559d1d..4b3abd5 100644
--- a/libc/arch-arm64/syscalls/getsockopt.S
+++ b/libc/arch-arm64/syscalls/getsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockopt)
     mov     x8, __NR_getsockopt
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getuid.S b/libc/arch-arm64/syscalls/getuid.S
index 4e37d47..a9193c5 100644
--- a/libc/arch-arm64/syscalls/getuid.S
+++ b/libc/arch-arm64/syscalls/getuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getuid)
     mov     x8, __NR_getuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getxattr.S b/libc/arch-arm64/syscalls/getxattr.S
index 3f69956..afa81ef 100644
--- a/libc/arch-arm64/syscalls/getxattr.S
+++ b/libc/arch-arm64/syscalls/getxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getxattr)
     mov     x8, __NR_getxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/init_module.S b/libc/arch-arm64/syscalls/init_module.S
index cc1a0da..bf0f7d3 100644
--- a/libc/arch-arm64/syscalls/init_module.S
+++ b/libc/arch-arm64/syscalls/init_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(init_module)
     mov     x8, __NR_init_module
     svc     #0
diff --git a/libc/arch-arm64/syscalls/inotify_add_watch.S b/libc/arch-arm64/syscalls/inotify_add_watch.S
index fbc8dd4..dc30ae5 100644
--- a/libc/arch-arm64/syscalls/inotify_add_watch.S
+++ b/libc/arch-arm64/syscalls/inotify_add_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_add_watch)
     mov     x8, __NR_inotify_add_watch
     svc     #0
diff --git a/libc/arch-arm64/syscalls/inotify_init1.S b/libc/arch-arm64/syscalls/inotify_init1.S
index 5726d0c..1b40ef2 100644
--- a/libc/arch-arm64/syscalls/inotify_init1.S
+++ b/libc/arch-arm64/syscalls/inotify_init1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_init1)
     mov     x8, __NR_inotify_init1
     svc     #0
diff --git a/libc/arch-arm64/syscalls/inotify_rm_watch.S b/libc/arch-arm64/syscalls/inotify_rm_watch.S
index 37eabcf..7c99e86 100644
--- a/libc/arch-arm64/syscalls/inotify_rm_watch.S
+++ b/libc/arch-arm64/syscalls/inotify_rm_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_rm_watch)
     mov     x8, __NR_inotify_rm_watch
     svc     #0
diff --git a/libc/arch-arm64/syscalls/kill.S b/libc/arch-arm64/syscalls/kill.S
index 7fc2c5a..e86e3a4 100644
--- a/libc/arch-arm64/syscalls/kill.S
+++ b/libc/arch-arm64/syscalls/kill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(kill)
     mov     x8, __NR_kill
     svc     #0
diff --git a/libc/arch-arm64/syscalls/klogctl.S b/libc/arch-arm64/syscalls/klogctl.S
index abbee55..567db27 100644
--- a/libc/arch-arm64/syscalls/klogctl.S
+++ b/libc/arch-arm64/syscalls/klogctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(klogctl)
     mov     x8, __NR_syslog
     svc     #0
diff --git a/libc/arch-arm64/syscalls/lgetxattr.S b/libc/arch-arm64/syscalls/lgetxattr.S
index e1a760c..187462a 100644
--- a/libc/arch-arm64/syscalls/lgetxattr.S
+++ b/libc/arch-arm64/syscalls/lgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lgetxattr)
     mov     x8, __NR_lgetxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/linkat.S b/libc/arch-arm64/syscalls/linkat.S
index c3e2cd8..7cfc2e0 100644
--- a/libc/arch-arm64/syscalls/linkat.S
+++ b/libc/arch-arm64/syscalls/linkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(linkat)
     mov     x8, __NR_linkat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/listen.S b/libc/arch-arm64/syscalls/listen.S
index 9b7be28..028b9bd 100644
--- a/libc/arch-arm64/syscalls/listen.S
+++ b/libc/arch-arm64/syscalls/listen.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listen)
     mov     x8, __NR_listen
     svc     #0
diff --git a/libc/arch-arm64/syscalls/listxattr.S b/libc/arch-arm64/syscalls/listxattr.S
index a5e55c7..335fafe 100644
--- a/libc/arch-arm64/syscalls/listxattr.S
+++ b/libc/arch-arm64/syscalls/listxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listxattr)
     mov     x8, __NR_listxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/llistxattr.S b/libc/arch-arm64/syscalls/llistxattr.S
index 447e208..e796741 100644
--- a/libc/arch-arm64/syscalls/llistxattr.S
+++ b/libc/arch-arm64/syscalls/llistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(llistxattr)
     mov     x8, __NR_llistxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/lremovexattr.S b/libc/arch-arm64/syscalls/lremovexattr.S
index 1f620db..9f4c027 100644
--- a/libc/arch-arm64/syscalls/lremovexattr.S
+++ b/libc/arch-arm64/syscalls/lremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lremovexattr)
     mov     x8, __NR_lremovexattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/lseek.S b/libc/arch-arm64/syscalls/lseek.S
index 1b858b2..aa71768 100644
--- a/libc/arch-arm64/syscalls/lseek.S
+++ b/libc/arch-arm64/syscalls/lseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lseek)
     mov     x8, __NR_lseek
     svc     #0
diff --git a/libc/arch-arm64/syscalls/lsetxattr.S b/libc/arch-arm64/syscalls/lsetxattr.S
index 8315bba..babf02d 100644
--- a/libc/arch-arm64/syscalls/lsetxattr.S
+++ b/libc/arch-arm64/syscalls/lsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lsetxattr)
     mov     x8, __NR_lsetxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/madvise.S b/libc/arch-arm64/syscalls/madvise.S
index 17282c0..3d393f1 100644
--- a/libc/arch-arm64/syscalls/madvise.S
+++ b/libc/arch-arm64/syscalls/madvise.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(madvise)
     mov     x8, __NR_madvise
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mincore.S b/libc/arch-arm64/syscalls/mincore.S
index abdcf6c..4432574 100644
--- a/libc/arch-arm64/syscalls/mincore.S
+++ b/libc/arch-arm64/syscalls/mincore.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mincore)
     mov     x8, __NR_mincore
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mkdirat.S b/libc/arch-arm64/syscalls/mkdirat.S
index d6bafca..36c876d 100644
--- a/libc/arch-arm64/syscalls/mkdirat.S
+++ b/libc/arch-arm64/syscalls/mkdirat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mkdirat)
     mov     x8, __NR_mkdirat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mknodat.S b/libc/arch-arm64/syscalls/mknodat.S
index 598e789..e0584db 100644
--- a/libc/arch-arm64/syscalls/mknodat.S
+++ b/libc/arch-arm64/syscalls/mknodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mknodat)
     mov     x8, __NR_mknodat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mlock.S b/libc/arch-arm64/syscalls/mlock.S
index 631ce02..10ddb07 100644
--- a/libc/arch-arm64/syscalls/mlock.S
+++ b/libc/arch-arm64/syscalls/mlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlock)
     mov     x8, __NR_mlock
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mlockall.S b/libc/arch-arm64/syscalls/mlockall.S
index 42dac9e..3602d71 100644
--- a/libc/arch-arm64/syscalls/mlockall.S
+++ b/libc/arch-arm64/syscalls/mlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlockall)
     mov     x8, __NR_mlockall
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mmap.S b/libc/arch-arm64/syscalls/mmap.S
index da18e10..e4e39ca 100644
--- a/libc/arch-arm64/syscalls/mmap.S
+++ b/libc/arch-arm64/syscalls/mmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mmap)
     mov     x8, __NR_mmap
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mount.S b/libc/arch-arm64/syscalls/mount.S
index c43a71f..9b53754 100644
--- a/libc/arch-arm64/syscalls/mount.S
+++ b/libc/arch-arm64/syscalls/mount.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mount)
     mov     x8, __NR_mount
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mprotect.S b/libc/arch-arm64/syscalls/mprotect.S
index a7d26dd..788d46e 100644
--- a/libc/arch-arm64/syscalls/mprotect.S
+++ b/libc/arch-arm64/syscalls/mprotect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mprotect)
     mov     x8, __NR_mprotect
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mremap.S b/libc/arch-arm64/syscalls/mremap.S
index 337bbae..861d52a 100644
--- a/libc/arch-arm64/syscalls/mremap.S
+++ b/libc/arch-arm64/syscalls/mremap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mremap)
     mov     x8, __NR_mremap
     svc     #0
diff --git a/libc/arch-arm64/syscalls/msync.S b/libc/arch-arm64/syscalls/msync.S
index c54797e..009ce18 100644
--- a/libc/arch-arm64/syscalls/msync.S
+++ b/libc/arch-arm64/syscalls/msync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(msync)
     mov     x8, __NR_msync
     svc     #0
diff --git a/libc/arch-arm64/syscalls/munlock.S b/libc/arch-arm64/syscalls/munlock.S
index b1ec016..45d6d17 100644
--- a/libc/arch-arm64/syscalls/munlock.S
+++ b/libc/arch-arm64/syscalls/munlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlock)
     mov     x8, __NR_munlock
     svc     #0
diff --git a/libc/arch-arm64/syscalls/munlockall.S b/libc/arch-arm64/syscalls/munlockall.S
index f9162a8..6240622 100644
--- a/libc/arch-arm64/syscalls/munlockall.S
+++ b/libc/arch-arm64/syscalls/munlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlockall)
     mov     x8, __NR_munlockall
     svc     #0
diff --git a/libc/arch-arm64/syscalls/munmap.S b/libc/arch-arm64/syscalls/munmap.S
index 6bd5afe..0291268 100644
--- a/libc/arch-arm64/syscalls/munmap.S
+++ b/libc/arch-arm64/syscalls/munmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munmap)
     mov     x8, __NR_munmap
     svc     #0
diff --git a/libc/arch-arm64/syscalls/nanosleep.S b/libc/arch-arm64/syscalls/nanosleep.S
index c84accc..7496530 100644
--- a/libc/arch-arm64/syscalls/nanosleep.S
+++ b/libc/arch-arm64/syscalls/nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(nanosleep)
     mov     x8, __NR_nanosleep
     svc     #0
diff --git a/libc/arch-arm64/syscalls/personality.S b/libc/arch-arm64/syscalls/personality.S
index 02bcf9b..1c6530c 100644
--- a/libc/arch-arm64/syscalls/personality.S
+++ b/libc/arch-arm64/syscalls/personality.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(personality)
     mov     x8, __NR_personality
     svc     #0
diff --git a/libc/arch-arm64/syscalls/pipe2.S b/libc/arch-arm64/syscalls/pipe2.S
index f4da37d..45538d3 100644
--- a/libc/arch-arm64/syscalls/pipe2.S
+++ b/libc/arch-arm64/syscalls/pipe2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pipe2)
     mov     x8, __NR_pipe2
     svc     #0
diff --git a/libc/arch-arm64/syscalls/prctl.S b/libc/arch-arm64/syscalls/prctl.S
index 2e6dca7..ddfe5a6 100644
--- a/libc/arch-arm64/syscalls/prctl.S
+++ b/libc/arch-arm64/syscalls/prctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prctl)
     mov     x8, __NR_prctl
     svc     #0
diff --git a/libc/arch-arm64/syscalls/pread64.S b/libc/arch-arm64/syscalls/pread64.S
index 2aba596..9c2fb34 100644
--- a/libc/arch-arm64/syscalls/pread64.S
+++ b/libc/arch-arm64/syscalls/pread64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pread64)
     mov     x8, __NR_pread64
     svc     #0
diff --git a/libc/arch-arm64/syscalls/prlimit64.S b/libc/arch-arm64/syscalls/prlimit64.S
index a2173d9..d3e07b9 100644
--- a/libc/arch-arm64/syscalls/prlimit64.S
+++ b/libc/arch-arm64/syscalls/prlimit64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prlimit64)
     mov     x8, __NR_prlimit64
     svc     #0
diff --git a/libc/arch-arm64/syscalls/pwrite64.S b/libc/arch-arm64/syscalls/pwrite64.S
index 5674a7c..33ae24b 100644
--- a/libc/arch-arm64/syscalls/pwrite64.S
+++ b/libc/arch-arm64/syscalls/pwrite64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pwrite64)
     mov     x8, __NR_pwrite64
     svc     #0
diff --git a/libc/arch-arm64/syscalls/read.S b/libc/arch-arm64/syscalls/read.S
index 906fb98..3440391 100644
--- a/libc/arch-arm64/syscalls/read.S
+++ b/libc/arch-arm64/syscalls/read.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(read)
     mov     x8, __NR_read
     svc     #0
diff --git a/libc/arch-arm64/syscalls/readahead.S b/libc/arch-arm64/syscalls/readahead.S
index 2994b83..73683f2 100644
--- a/libc/arch-arm64/syscalls/readahead.S
+++ b/libc/arch-arm64/syscalls/readahead.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readahead)
     mov     x8, __NR_readahead
     svc     #0
diff --git a/libc/arch-arm64/syscalls/readlinkat.S b/libc/arch-arm64/syscalls/readlinkat.S
index 1782c94..1a89d21 100644
--- a/libc/arch-arm64/syscalls/readlinkat.S
+++ b/libc/arch-arm64/syscalls/readlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readlinkat)
     mov     x8, __NR_readlinkat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/readv.S b/libc/arch-arm64/syscalls/readv.S
index bc988d4..b5d154a 100644
--- a/libc/arch-arm64/syscalls/readv.S
+++ b/libc/arch-arm64/syscalls/readv.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readv)
     mov     x8, __NR_readv
     svc     #0
diff --git a/libc/arch-arm64/syscalls/recvfrom.S b/libc/arch-arm64/syscalls/recvfrom.S
index 16f97d5..80bc1aa 100644
--- a/libc/arch-arm64/syscalls/recvfrom.S
+++ b/libc/arch-arm64/syscalls/recvfrom.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvfrom)
     mov     x8, __NR_recvfrom
     svc     #0
diff --git a/libc/arch-arm64/syscalls/recvmmsg.S b/libc/arch-arm64/syscalls/recvmmsg.S
index bd1495a..aa69442 100644
--- a/libc/arch-arm64/syscalls/recvmmsg.S
+++ b/libc/arch-arm64/syscalls/recvmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmmsg)
     mov     x8, __NR_recvmmsg
     svc     #0
diff --git a/libc/arch-arm64/syscalls/recvmsg.S b/libc/arch-arm64/syscalls/recvmsg.S
index c9b78c4..095e2aa 100644
--- a/libc/arch-arm64/syscalls/recvmsg.S
+++ b/libc/arch-arm64/syscalls/recvmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmsg)
     mov     x8, __NR_recvmsg
     svc     #0
diff --git a/libc/arch-arm64/syscalls/removexattr.S b/libc/arch-arm64/syscalls/removexattr.S
index c12cc84..f279f01 100644
--- a/libc/arch-arm64/syscalls/removexattr.S
+++ b/libc/arch-arm64/syscalls/removexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(removexattr)
     mov     x8, __NR_removexattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/renameat.S b/libc/arch-arm64/syscalls/renameat.S
index cf79472..7c308cd 100644
--- a/libc/arch-arm64/syscalls/renameat.S
+++ b/libc/arch-arm64/syscalls/renameat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(renameat)
     mov     x8, __NR_renameat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_get_priority_max.S b/libc/arch-arm64/syscalls/sched_get_priority_max.S
index 672d0ea..e80ce35 100644
--- a/libc/arch-arm64/syscalls/sched_get_priority_max.S
+++ b/libc/arch-arm64/syscalls/sched_get_priority_max.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_max)
     mov     x8, __NR_sched_get_priority_max
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_get_priority_min.S b/libc/arch-arm64/syscalls/sched_get_priority_min.S
index f5cf1f3..3f5f487 100644
--- a/libc/arch-arm64/syscalls/sched_get_priority_min.S
+++ b/libc/arch-arm64/syscalls/sched_get_priority_min.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_min)
     mov     x8, __NR_sched_get_priority_min
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_getparam.S b/libc/arch-arm64/syscalls/sched_getparam.S
index 7ffe8fb..1756867 100644
--- a/libc/arch-arm64/syscalls/sched_getparam.S
+++ b/libc/arch-arm64/syscalls/sched_getparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getparam)
     mov     x8, __NR_sched_getparam
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_getscheduler.S b/libc/arch-arm64/syscalls/sched_getscheduler.S
index b69b8c0..8fa145f 100644
--- a/libc/arch-arm64/syscalls/sched_getscheduler.S
+++ b/libc/arch-arm64/syscalls/sched_getscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getscheduler)
     mov     x8, __NR_sched_getscheduler
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_rr_get_interval.S b/libc/arch-arm64/syscalls/sched_rr_get_interval.S
index 0be14ba..7ff393c 100644
--- a/libc/arch-arm64/syscalls/sched_rr_get_interval.S
+++ b/libc/arch-arm64/syscalls/sched_rr_get_interval.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_rr_get_interval)
     mov     x8, __NR_sched_rr_get_interval
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_setaffinity.S b/libc/arch-arm64/syscalls/sched_setaffinity.S
index f5cbc77..2878459 100644
--- a/libc/arch-arm64/syscalls/sched_setaffinity.S
+++ b/libc/arch-arm64/syscalls/sched_setaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setaffinity)
     mov     x8, __NR_sched_setaffinity
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_setparam.S b/libc/arch-arm64/syscalls/sched_setparam.S
index cff64f5..4135606 100644
--- a/libc/arch-arm64/syscalls/sched_setparam.S
+++ b/libc/arch-arm64/syscalls/sched_setparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setparam)
     mov     x8, __NR_sched_setparam
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_setscheduler.S b/libc/arch-arm64/syscalls/sched_setscheduler.S
index 31600a0..e8f991c 100644
--- a/libc/arch-arm64/syscalls/sched_setscheduler.S
+++ b/libc/arch-arm64/syscalls/sched_setscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setscheduler)
     mov     x8, __NR_sched_setscheduler
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_yield.S b/libc/arch-arm64/syscalls/sched_yield.S
index 21ad601..cd6a978 100644
--- a/libc/arch-arm64/syscalls/sched_yield.S
+++ b/libc/arch-arm64/syscalls/sched_yield.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_yield)
     mov     x8, __NR_sched_yield
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sendfile.S b/libc/arch-arm64/syscalls/sendfile.S
index db90caa..c579224 100644
--- a/libc/arch-arm64/syscalls/sendfile.S
+++ b/libc/arch-arm64/syscalls/sendfile.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile)
     mov     x8, __NR_sendfile
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sendmmsg.S b/libc/arch-arm64/syscalls/sendmmsg.S
index e85798a..e9ce811 100644
--- a/libc/arch-arm64/syscalls/sendmmsg.S
+++ b/libc/arch-arm64/syscalls/sendmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmmsg)
     mov     x8, __NR_sendmmsg
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sendmsg.S b/libc/arch-arm64/syscalls/sendmsg.S
index 25eff84..78c5e68 100644
--- a/libc/arch-arm64/syscalls/sendmsg.S
+++ b/libc/arch-arm64/syscalls/sendmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmsg)
     mov     x8, __NR_sendmsg
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sendto.S b/libc/arch-arm64/syscalls/sendto.S
index 39e4e4e..a3ef95d 100644
--- a/libc/arch-arm64/syscalls/sendto.S
+++ b/libc/arch-arm64/syscalls/sendto.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendto)
     mov     x8, __NR_sendto
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setfsgid.S b/libc/arch-arm64/syscalls/setfsgid.S
index d2f29ab..4d28536 100644
--- a/libc/arch-arm64/syscalls/setfsgid.S
+++ b/libc/arch-arm64/syscalls/setfsgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsgid)
     mov     x8, __NR_setfsgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setfsuid.S b/libc/arch-arm64/syscalls/setfsuid.S
index 852f97c..238bbf8 100644
--- a/libc/arch-arm64/syscalls/setfsuid.S
+++ b/libc/arch-arm64/syscalls/setfsuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsuid)
     mov     x8, __NR_setfsuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setgid.S b/libc/arch-arm64/syscalls/setgid.S
index a9789f7..182ce1f 100644
--- a/libc/arch-arm64/syscalls/setgid.S
+++ b/libc/arch-arm64/syscalls/setgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgid)
     mov     x8, __NR_setgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setgroups.S b/libc/arch-arm64/syscalls/setgroups.S
index ce9bf01..2bc5c7f 100644
--- a/libc/arch-arm64/syscalls/setgroups.S
+++ b/libc/arch-arm64/syscalls/setgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgroups)
     mov     x8, __NR_setgroups
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setitimer.S b/libc/arch-arm64/syscalls/setitimer.S
index d8e3d7e..1a5bbb3 100644
--- a/libc/arch-arm64/syscalls/setitimer.S
+++ b/libc/arch-arm64/syscalls/setitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setitimer)
     mov     x8, __NR_setitimer
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setns.S b/libc/arch-arm64/syscalls/setns.S
index 615f888..68c32da 100644
--- a/libc/arch-arm64/syscalls/setns.S
+++ b/libc/arch-arm64/syscalls/setns.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setns)
     mov     x8, __NR_setns
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setpgid.S b/libc/arch-arm64/syscalls/setpgid.S
index 6015264..890d354 100644
--- a/libc/arch-arm64/syscalls/setpgid.S
+++ b/libc/arch-arm64/syscalls/setpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpgid)
     mov     x8, __NR_setpgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setpriority.S b/libc/arch-arm64/syscalls/setpriority.S
index d2f517e..17550ea 100644
--- a/libc/arch-arm64/syscalls/setpriority.S
+++ b/libc/arch-arm64/syscalls/setpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpriority)
     mov     x8, __NR_setpriority
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setregid.S b/libc/arch-arm64/syscalls/setregid.S
index 7b333bf..aa351a8 100644
--- a/libc/arch-arm64/syscalls/setregid.S
+++ b/libc/arch-arm64/syscalls/setregid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setregid)
     mov     x8, __NR_setregid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setresgid.S b/libc/arch-arm64/syscalls/setresgid.S
index 39504bd..517e59e 100644
--- a/libc/arch-arm64/syscalls/setresgid.S
+++ b/libc/arch-arm64/syscalls/setresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresgid)
     mov     x8, __NR_setresgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setresuid.S b/libc/arch-arm64/syscalls/setresuid.S
index 5acbffd..6829cef 100644
--- a/libc/arch-arm64/syscalls/setresuid.S
+++ b/libc/arch-arm64/syscalls/setresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresuid)
     mov     x8, __NR_setresuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setreuid.S b/libc/arch-arm64/syscalls/setreuid.S
index 63630d6..af342ef 100644
--- a/libc/arch-arm64/syscalls/setreuid.S
+++ b/libc/arch-arm64/syscalls/setreuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setreuid)
     mov     x8, __NR_setreuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setrlimit.S b/libc/arch-arm64/syscalls/setrlimit.S
index f9f56a6..4401984 100644
--- a/libc/arch-arm64/syscalls/setrlimit.S
+++ b/libc/arch-arm64/syscalls/setrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setrlimit)
     mov     x8, __NR_setrlimit
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setsid.S b/libc/arch-arm64/syscalls/setsid.S
index 04c28e3..64c76f2 100644
--- a/libc/arch-arm64/syscalls/setsid.S
+++ b/libc/arch-arm64/syscalls/setsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsid)
     mov     x8, __NR_setsid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setsockopt.S b/libc/arch-arm64/syscalls/setsockopt.S
index 0ebc6d0..51af847 100644
--- a/libc/arch-arm64/syscalls/setsockopt.S
+++ b/libc/arch-arm64/syscalls/setsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsockopt)
     mov     x8, __NR_setsockopt
     svc     #0
diff --git a/libc/arch-arm64/syscalls/settimeofday.S b/libc/arch-arm64/syscalls/settimeofday.S
index 474e40d..357998c 100644
--- a/libc/arch-arm64/syscalls/settimeofday.S
+++ b/libc/arch-arm64/syscalls/settimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(settimeofday)
     mov     x8, __NR_settimeofday
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setuid.S b/libc/arch-arm64/syscalls/setuid.S
index fe52921..ad42434 100644
--- a/libc/arch-arm64/syscalls/setuid.S
+++ b/libc/arch-arm64/syscalls/setuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setuid)
     mov     x8, __NR_setuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setxattr.S b/libc/arch-arm64/syscalls/setxattr.S
index 8d0b415..cde2d5f 100644
--- a/libc/arch-arm64/syscalls/setxattr.S
+++ b/libc/arch-arm64/syscalls/setxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setxattr)
     mov     x8, __NR_setxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/shutdown.S b/libc/arch-arm64/syscalls/shutdown.S
index e35cdea..4813647 100644
--- a/libc/arch-arm64/syscalls/shutdown.S
+++ b/libc/arch-arm64/syscalls/shutdown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(shutdown)
     mov     x8, __NR_shutdown
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sigaltstack.S b/libc/arch-arm64/syscalls/sigaltstack.S
index 6a38203..74f7e50 100644
--- a/libc/arch-arm64/syscalls/sigaltstack.S
+++ b/libc/arch-arm64/syscalls/sigaltstack.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sigaltstack)
     mov     x8, __NR_sigaltstack
     svc     #0
diff --git a/libc/arch-arm64/syscalls/socketpair.S b/libc/arch-arm64/syscalls/socketpair.S
index dcd7223..ec2a3d2 100644
--- a/libc/arch-arm64/syscalls/socketpair.S
+++ b/libc/arch-arm64/syscalls/socketpair.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(socketpair)
     mov     x8, __NR_socketpair
     svc     #0
diff --git a/libc/arch-arm64/syscalls/splice.S b/libc/arch-arm64/syscalls/splice.S
index 103805a..30443a8 100644
--- a/libc/arch-arm64/syscalls/splice.S
+++ b/libc/arch-arm64/syscalls/splice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(splice)
     mov     x8, __NR_splice
     svc     #0
diff --git a/libc/arch-arm64/syscalls/statfs64.S b/libc/arch-arm64/syscalls/statfs64.S
index 55633c1..00b32e7 100644
--- a/libc/arch-arm64/syscalls/statfs64.S
+++ b/libc/arch-arm64/syscalls/statfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(statfs64)
     mov     x8, __NR_statfs
     svc     #0
diff --git a/libc/arch-arm64/syscalls/swapoff.S b/libc/arch-arm64/syscalls/swapoff.S
index dcef4af..54dabb5 100644
--- a/libc/arch-arm64/syscalls/swapoff.S
+++ b/libc/arch-arm64/syscalls/swapoff.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapoff)
     mov     x8, __NR_swapoff
     svc     #0
diff --git a/libc/arch-arm64/syscalls/swapon.S b/libc/arch-arm64/syscalls/swapon.S
index aef7627..952252f 100644
--- a/libc/arch-arm64/syscalls/swapon.S
+++ b/libc/arch-arm64/syscalls/swapon.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapon)
     mov     x8, __NR_swapon
     svc     #0
diff --git a/libc/arch-arm64/syscalls/symlinkat.S b/libc/arch-arm64/syscalls/symlinkat.S
index 9830865..27f9334 100644
--- a/libc/arch-arm64/syscalls/symlinkat.S
+++ b/libc/arch-arm64/syscalls/symlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(symlinkat)
     mov     x8, __NR_symlinkat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sync.S b/libc/arch-arm64/syscalls/sync.S
index 3ef0460..622b028 100644
--- a/libc/arch-arm64/syscalls/sync.S
+++ b/libc/arch-arm64/syscalls/sync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sync)
     mov     x8, __NR_sync
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sysinfo.S b/libc/arch-arm64/syscalls/sysinfo.S
index 7dbe152..81d8a94 100644
--- a/libc/arch-arm64/syscalls/sysinfo.S
+++ b/libc/arch-arm64/syscalls/sysinfo.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sysinfo)
     mov     x8, __NR_sysinfo
     svc     #0
diff --git a/libc/arch-arm64/syscalls/tee.S b/libc/arch-arm64/syscalls/tee.S
index d730076..cb317aa 100644
--- a/libc/arch-arm64/syscalls/tee.S
+++ b/libc/arch-arm64/syscalls/tee.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tee)
     mov     x8, __NR_tee
     svc     #0
diff --git a/libc/arch-arm64/syscalls/tgkill.S b/libc/arch-arm64/syscalls/tgkill.S
index 477c477..908811d 100644
--- a/libc/arch-arm64/syscalls/tgkill.S
+++ b/libc/arch-arm64/syscalls/tgkill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tgkill)
     mov     x8, __NR_tgkill
     svc     #0
diff --git a/libc/arch-arm64/syscalls/timerfd_create.S b/libc/arch-arm64/syscalls/timerfd_create.S
index 83b5910..5487492 100644
--- a/libc/arch-arm64/syscalls/timerfd_create.S
+++ b/libc/arch-arm64/syscalls/timerfd_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_create)
     mov     x8, __NR_timerfd_create
     svc     #0
diff --git a/libc/arch-arm64/syscalls/timerfd_gettime.S b/libc/arch-arm64/syscalls/timerfd_gettime.S
index 253cb79..1c5151f 100644
--- a/libc/arch-arm64/syscalls/timerfd_gettime.S
+++ b/libc/arch-arm64/syscalls/timerfd_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_gettime)
     mov     x8, __NR_timerfd_gettime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/timerfd_settime.S b/libc/arch-arm64/syscalls/timerfd_settime.S
index 8872481..edd81fac 100644
--- a/libc/arch-arm64/syscalls/timerfd_settime.S
+++ b/libc/arch-arm64/syscalls/timerfd_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_settime)
     mov     x8, __NR_timerfd_settime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/times.S b/libc/arch-arm64/syscalls/times.S
index 33c7d55..5541732 100644
--- a/libc/arch-arm64/syscalls/times.S
+++ b/libc/arch-arm64/syscalls/times.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(times)
     mov     x8, __NR_times
     svc     #0
diff --git a/libc/arch-arm64/syscalls/truncate.S b/libc/arch-arm64/syscalls/truncate.S
index f15253b..be5765c 100644
--- a/libc/arch-arm64/syscalls/truncate.S
+++ b/libc/arch-arm64/syscalls/truncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate)
     mov     x8, __NR_truncate
     svc     #0
diff --git a/libc/arch-arm64/syscalls/umask.S b/libc/arch-arm64/syscalls/umask.S
index 8b907b4..c605b8f 100644
--- a/libc/arch-arm64/syscalls/umask.S
+++ b/libc/arch-arm64/syscalls/umask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umask)
     mov     x8, __NR_umask
     svc     #0
diff --git a/libc/arch-arm64/syscalls/umount2.S b/libc/arch-arm64/syscalls/umount2.S
index 5646dba..73ed330 100644
--- a/libc/arch-arm64/syscalls/umount2.S
+++ b/libc/arch-arm64/syscalls/umount2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umount2)
     mov     x8, __NR_umount2
     svc     #0
diff --git a/libc/arch-arm64/syscalls/uname.S b/libc/arch-arm64/syscalls/uname.S
index 09ec096..4d52190 100644
--- a/libc/arch-arm64/syscalls/uname.S
+++ b/libc/arch-arm64/syscalls/uname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(uname)
     mov     x8, __NR_uname
     svc     #0
diff --git a/libc/arch-arm64/syscalls/unlinkat.S b/libc/arch-arm64/syscalls/unlinkat.S
index 992f675..8fde96e 100644
--- a/libc/arch-arm64/syscalls/unlinkat.S
+++ b/libc/arch-arm64/syscalls/unlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unlinkat)
     mov     x8, __NR_unlinkat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/unshare.S b/libc/arch-arm64/syscalls/unshare.S
index 1062dcd..ba960e2 100644
--- a/libc/arch-arm64/syscalls/unshare.S
+++ b/libc/arch-arm64/syscalls/unshare.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unshare)
     mov     x8, __NR_unshare
     svc     #0
diff --git a/libc/arch-arm64/syscalls/utimensat.S b/libc/arch-arm64/syscalls/utimensat.S
index 8a25ed6..9e4b1ca 100644
--- a/libc/arch-arm64/syscalls/utimensat.S
+++ b/libc/arch-arm64/syscalls/utimensat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(utimensat)
     mov     x8, __NR_utimensat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/vmsplice.S b/libc/arch-arm64/syscalls/vmsplice.S
index b4bec3f..6a13c5b 100644
--- a/libc/arch-arm64/syscalls/vmsplice.S
+++ b/libc/arch-arm64/syscalls/vmsplice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(vmsplice)
     mov     x8, __NR_vmsplice
     svc     #0
diff --git a/libc/arch-arm64/syscalls/wait4.S b/libc/arch-arm64/syscalls/wait4.S
index a0d5d62..f2bcd34 100644
--- a/libc/arch-arm64/syscalls/wait4.S
+++ b/libc/arch-arm64/syscalls/wait4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(wait4)
     mov     x8, __NR_wait4
     svc     #0
diff --git a/libc/arch-arm64/syscalls/write.S b/libc/arch-arm64/syscalls/write.S
index d64552e..1fedabe 100644
--- a/libc/arch-arm64/syscalls/write.S
+++ b/libc/arch-arm64/syscalls/write.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(write)
     mov     x8, __NR_write
     svc     #0
diff --git a/libc/arch-arm64/syscalls/writev.S b/libc/arch-arm64/syscalls/writev.S
index 45d5c8d..9942ddb 100644
--- a/libc/arch-arm64/syscalls/writev.S
+++ b/libc/arch-arm64/syscalls/writev.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(writev)
     mov     x8, __NR_writev
     svc     #0
diff --git a/libc/arch-mips/syscalls/__accept4.S b/libc/arch-mips/syscalls/__accept4.S
index 8634a35..2fc8b2a 100644
--- a/libc/arch-mips/syscalls/__accept4.S
+++ b/libc/arch-mips/syscalls/__accept4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__accept4)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__brk.S b/libc/arch-mips/syscalls/__brk.S
index 9325c26..0593b4f 100644
--- a/libc/arch-mips/syscalls/__brk.S
+++ b/libc/arch-mips/syscalls/__brk.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__brk)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__connect.S b/libc/arch-mips/syscalls/__connect.S
index f7ac916..20f60e4 100644
--- a/libc/arch-mips/syscalls/__connect.S
+++ b/libc/arch-mips/syscalls/__connect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__connect)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__epoll_pwait.S b/libc/arch-mips/syscalls/__epoll_pwait.S
index a417cdd..3e735f1 100644
--- a/libc/arch-mips/syscalls/__epoll_pwait.S
+++ b/libc/arch-mips/syscalls/__epoll_pwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__epoll_pwait)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__exit.S b/libc/arch-mips/syscalls/__exit.S
index 1515b41..40c2f87 100644
--- a/libc/arch-mips/syscalls/__exit.S
+++ b/libc/arch-mips/syscalls/__exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__exit)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__fcntl64.S b/libc/arch-mips/syscalls/__fcntl64.S
index b9815a1..b541edd 100644
--- a/libc/arch-mips/syscalls/__fcntl64.S
+++ b/libc/arch-mips/syscalls/__fcntl64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__fcntl64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__fstatfs64.S b/libc/arch-mips/syscalls/__fstatfs64.S
index 8774a53..d1d68ab 100644
--- a/libc/arch-mips/syscalls/__fstatfs64.S
+++ b/libc/arch-mips/syscalls/__fstatfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__fstatfs64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__getcpu.S b/libc/arch-mips/syscalls/__getcpu.S
index 2352e01..ab3acca 100644
--- a/libc/arch-mips/syscalls/__getcpu.S
+++ b/libc/arch-mips/syscalls/__getcpu.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcpu)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__getcwd.S b/libc/arch-mips/syscalls/__getcwd.S
index e844f9a..af1c494 100644
--- a/libc/arch-mips/syscalls/__getcwd.S
+++ b/libc/arch-mips/syscalls/__getcwd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcwd)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__getdents64.S b/libc/arch-mips/syscalls/__getdents64.S
index 136b408..e88c6df 100644
--- a/libc/arch-mips/syscalls/__getdents64.S
+++ b/libc/arch-mips/syscalls/__getdents64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getdents64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__getpid.S b/libc/arch-mips/syscalls/__getpid.S
index 52cf6f4..d20188b 100644
--- a/libc/arch-mips/syscalls/__getpid.S
+++ b/libc/arch-mips/syscalls/__getpid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__getpriority.S b/libc/arch-mips/syscalls/__getpriority.S
index 882386b..bc1efb3 100644
--- a/libc/arch-mips/syscalls/__getpriority.S
+++ b/libc/arch-mips/syscalls/__getpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpriority)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__ioctl.S b/libc/arch-mips/syscalls/__ioctl.S
index ddf5323..28af834 100644
--- a/libc/arch-mips/syscalls/__ioctl.S
+++ b/libc/arch-mips/syscalls/__ioctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ioctl)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__llseek.S b/libc/arch-mips/syscalls/__llseek.S
index 10819f7..81cf459 100644
--- a/libc/arch-mips/syscalls/__llseek.S
+++ b/libc/arch-mips/syscalls/__llseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__llseek)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__mmap2.S b/libc/arch-mips/syscalls/__mmap2.S
index 5372817..e6022c3 100644
--- a/libc/arch-mips/syscalls/__mmap2.S
+++ b/libc/arch-mips/syscalls/__mmap2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__mmap2)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__openat.S b/libc/arch-mips/syscalls/__openat.S
index f833dd8..0482b5a 100644
--- a/libc/arch-mips/syscalls/__openat.S
+++ b/libc/arch-mips/syscalls/__openat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__openat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__ppoll.S b/libc/arch-mips/syscalls/__ppoll.S
index a5711d9..7cd29f6 100644
--- a/libc/arch-mips/syscalls/__ppoll.S
+++ b/libc/arch-mips/syscalls/__ppoll.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ppoll)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__pselect6.S b/libc/arch-mips/syscalls/__pselect6.S
index 4c0a0a5..b4279b8 100644
--- a/libc/arch-mips/syscalls/__pselect6.S
+++ b/libc/arch-mips/syscalls/__pselect6.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__pselect6)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__ptrace.S b/libc/arch-mips/syscalls/__ptrace.S
index fcbe529..07dcd8f 100644
--- a/libc/arch-mips/syscalls/__ptrace.S
+++ b/libc/arch-mips/syscalls/__ptrace.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ptrace)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__reboot.S b/libc/arch-mips/syscalls/__reboot.S
index 4aa0e7a..3a0a70b 100644
--- a/libc/arch-mips/syscalls/__reboot.S
+++ b/libc/arch-mips/syscalls/__reboot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__reboot)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__rt_sigaction.S b/libc/arch-mips/syscalls/__rt_sigaction.S
index 6c5bc37..858a241 100644
--- a/libc/arch-mips/syscalls/__rt_sigaction.S
+++ b/libc/arch-mips/syscalls/__rt_sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigaction)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__rt_sigpending.S b/libc/arch-mips/syscalls/__rt_sigpending.S
index e62f079..484da4f 100644
--- a/libc/arch-mips/syscalls/__rt_sigpending.S
+++ b/libc/arch-mips/syscalls/__rt_sigpending.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigpending)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__rt_sigprocmask.S b/libc/arch-mips/syscalls/__rt_sigprocmask.S
index 94ef493..5e61f52 100644
--- a/libc/arch-mips/syscalls/__rt_sigprocmask.S
+++ b/libc/arch-mips/syscalls/__rt_sigprocmask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigprocmask)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__rt_sigsuspend.S b/libc/arch-mips/syscalls/__rt_sigsuspend.S
index 077746f..d128caa 100644
--- a/libc/arch-mips/syscalls/__rt_sigsuspend.S
+++ b/libc/arch-mips/syscalls/__rt_sigsuspend.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigsuspend)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__rt_sigtimedwait.S b/libc/arch-mips/syscalls/__rt_sigtimedwait.S
index 404eab7..7e70660 100644
--- a/libc/arch-mips/syscalls/__rt_sigtimedwait.S
+++ b/libc/arch-mips/syscalls/__rt_sigtimedwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigtimedwait)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__sched_getaffinity.S b/libc/arch-mips/syscalls/__sched_getaffinity.S
index da71709..f83b7ba 100644
--- a/libc/arch-mips/syscalls/__sched_getaffinity.S
+++ b/libc/arch-mips/syscalls/__sched_getaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sched_getaffinity)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__set_tid_address.S b/libc/arch-mips/syscalls/__set_tid_address.S
index 146cd0d..7ec0f63 100644
--- a/libc/arch-mips/syscalls/__set_tid_address.S
+++ b/libc/arch-mips/syscalls/__set_tid_address.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tid_address)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__set_tls.S b/libc/arch-mips/syscalls/__set_tls.S
index e5b0ca2..bb2fa6d 100644
--- a/libc/arch-mips/syscalls/__set_tls.S
+++ b/libc/arch-mips/syscalls/__set_tls.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tls)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__sigaction.S b/libc/arch-mips/syscalls/__sigaction.S
index 03dd9da..03eb582 100644
--- a/libc/arch-mips/syscalls/__sigaction.S
+++ b/libc/arch-mips/syscalls/__sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sigaction)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__signalfd4.S b/libc/arch-mips/syscalls/__signalfd4.S
index cc9b212..9b191c2 100644
--- a/libc/arch-mips/syscalls/__signalfd4.S
+++ b/libc/arch-mips/syscalls/__signalfd4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__signalfd4)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__socket.S b/libc/arch-mips/syscalls/__socket.S
index 6508911..9e9a926 100644
--- a/libc/arch-mips/syscalls/__socket.S
+++ b/libc/arch-mips/syscalls/__socket.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__socket)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__statfs64.S b/libc/arch-mips/syscalls/__statfs64.S
index 9f94e6a..5017e96 100644
--- a/libc/arch-mips/syscalls/__statfs64.S
+++ b/libc/arch-mips/syscalls/__statfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__statfs64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__timer_create.S b/libc/arch-mips/syscalls/__timer_create.S
index 449bd28..81cc8c4 100644
--- a/libc/arch-mips/syscalls/__timer_create.S
+++ b/libc/arch-mips/syscalls/__timer_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_create)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__timer_delete.S b/libc/arch-mips/syscalls/__timer_delete.S
index 7bc5e05..fddb703 100644
--- a/libc/arch-mips/syscalls/__timer_delete.S
+++ b/libc/arch-mips/syscalls/__timer_delete.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_delete)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__timer_getoverrun.S b/libc/arch-mips/syscalls/__timer_getoverrun.S
index 7382c91..3a7313d 100644
--- a/libc/arch-mips/syscalls/__timer_getoverrun.S
+++ b/libc/arch-mips/syscalls/__timer_getoverrun.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_getoverrun)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__timer_gettime.S b/libc/arch-mips/syscalls/__timer_gettime.S
index d6195b9..7b9bed7 100644
--- a/libc/arch-mips/syscalls/__timer_gettime.S
+++ b/libc/arch-mips/syscalls/__timer_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_gettime)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__timer_settime.S b/libc/arch-mips/syscalls/__timer_settime.S
index 9fbab86..b1198de 100644
--- a/libc/arch-mips/syscalls/__timer_settime.S
+++ b/libc/arch-mips/syscalls/__timer_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_settime)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/__waitid.S b/libc/arch-mips/syscalls/__waitid.S
index 4c9142e..e60da7f 100644
--- a/libc/arch-mips/syscalls/__waitid.S
+++ b/libc/arch-mips/syscalls/__waitid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__waitid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/_exit.S b/libc/arch-mips/syscalls/_exit.S
index f546b66..ae1d61f 100644
--- a/libc/arch-mips/syscalls/_exit.S
+++ b/libc/arch-mips/syscalls/_exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(_exit)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/_flush_cache.S b/libc/arch-mips/syscalls/_flush_cache.S
index 64967fe..0074578 100644
--- a/libc/arch-mips/syscalls/_flush_cache.S
+++ b/libc/arch-mips/syscalls/_flush_cache.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(_flush_cache)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/acct.S b/libc/arch-mips/syscalls/acct.S
index 6e4a4f2..29a7119 100644
--- a/libc/arch-mips/syscalls/acct.S
+++ b/libc/arch-mips/syscalls/acct.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(acct)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/bind.S b/libc/arch-mips/syscalls/bind.S
index 9119aa8..6d92fd0 100644
--- a/libc/arch-mips/syscalls/bind.S
+++ b/libc/arch-mips/syscalls/bind.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(bind)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/capget.S b/libc/arch-mips/syscalls/capget.S
index 549dc76..de76fa3 100644
--- a/libc/arch-mips/syscalls/capget.S
+++ b/libc/arch-mips/syscalls/capget.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capget)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/capset.S b/libc/arch-mips/syscalls/capset.S
index 637ac37..77fb3a7 100644
--- a/libc/arch-mips/syscalls/capset.S
+++ b/libc/arch-mips/syscalls/capset.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capset)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/chdir.S b/libc/arch-mips/syscalls/chdir.S
index 752e4e7..2668d69 100644
--- a/libc/arch-mips/syscalls/chdir.S
+++ b/libc/arch-mips/syscalls/chdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chdir)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/chroot.S b/libc/arch-mips/syscalls/chroot.S
index d1ffc97..d804c4f 100644
--- a/libc/arch-mips/syscalls/chroot.S
+++ b/libc/arch-mips/syscalls/chroot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chroot)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/clock_getres.S b/libc/arch-mips/syscalls/clock_getres.S
index 49d9bba..5219b32 100644
--- a/libc/arch-mips/syscalls/clock_getres.S
+++ b/libc/arch-mips/syscalls/clock_getres.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_getres)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/clock_gettime.S b/libc/arch-mips/syscalls/clock_gettime.S
index 42929e8..32120b1 100644
--- a/libc/arch-mips/syscalls/clock_gettime.S
+++ b/libc/arch-mips/syscalls/clock_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_gettime)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/clock_nanosleep.S b/libc/arch-mips/syscalls/clock_nanosleep.S
index e7c25ce..01bab5a 100644
--- a/libc/arch-mips/syscalls/clock_nanosleep.S
+++ b/libc/arch-mips/syscalls/clock_nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_nanosleep)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/clock_settime.S b/libc/arch-mips/syscalls/clock_settime.S
index e7dda91..6b642a1 100644
--- a/libc/arch-mips/syscalls/clock_settime.S
+++ b/libc/arch-mips/syscalls/clock_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_settime)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/close.S b/libc/arch-mips/syscalls/close.S
index bc2c325..4e3ab67 100644
--- a/libc/arch-mips/syscalls/close.S
+++ b/libc/arch-mips/syscalls/close.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(close)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/delete_module.S b/libc/arch-mips/syscalls/delete_module.S
index 9247f5a..5c84930 100644
--- a/libc/arch-mips/syscalls/delete_module.S
+++ b/libc/arch-mips/syscalls/delete_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(delete_module)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/dup.S b/libc/arch-mips/syscalls/dup.S
index 61b1c03..6969553 100644
--- a/libc/arch-mips/syscalls/dup.S
+++ b/libc/arch-mips/syscalls/dup.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/dup3.S b/libc/arch-mips/syscalls/dup3.S
index d0694e8..39e403d 100644
--- a/libc/arch-mips/syscalls/dup3.S
+++ b/libc/arch-mips/syscalls/dup3.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup3)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/epoll_create1.S b/libc/arch-mips/syscalls/epoll_create1.S
index 2043f39..6feb715 100644
--- a/libc/arch-mips/syscalls/epoll_create1.S
+++ b/libc/arch-mips/syscalls/epoll_create1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_create1)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/epoll_ctl.S b/libc/arch-mips/syscalls/epoll_ctl.S
index 9474d3a..4517ea1 100644
--- a/libc/arch-mips/syscalls/epoll_ctl.S
+++ b/libc/arch-mips/syscalls/epoll_ctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_ctl)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/eventfd.S b/libc/arch-mips/syscalls/eventfd.S
index 5282a91..167a851 100644
--- a/libc/arch-mips/syscalls/eventfd.S
+++ b/libc/arch-mips/syscalls/eventfd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(eventfd)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/execve.S b/libc/arch-mips/syscalls/execve.S
index fcaec0a..e6f3af6 100644
--- a/libc/arch-mips/syscalls/execve.S
+++ b/libc/arch-mips/syscalls/execve.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(execve)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/faccessat.S b/libc/arch-mips/syscalls/faccessat.S
index e7afe2a..3bf7717 100644
--- a/libc/arch-mips/syscalls/faccessat.S
+++ b/libc/arch-mips/syscalls/faccessat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(faccessat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fallocate64.S b/libc/arch-mips/syscalls/fallocate64.S
index d814606..5395c6f 100644
--- a/libc/arch-mips/syscalls/fallocate64.S
+++ b/libc/arch-mips/syscalls/fallocate64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fallocate64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fchdir.S b/libc/arch-mips/syscalls/fchdir.S
index daac0f5..4a5c1e3 100644
--- a/libc/arch-mips/syscalls/fchdir.S
+++ b/libc/arch-mips/syscalls/fchdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchdir)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fchmod.S b/libc/arch-mips/syscalls/fchmod.S
index e947e41..78dc3f7 100644
--- a/libc/arch-mips/syscalls/fchmod.S
+++ b/libc/arch-mips/syscalls/fchmod.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmod)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fchmodat.S b/libc/arch-mips/syscalls/fchmodat.S
index 4d2a7d3..ebc3a74 100644
--- a/libc/arch-mips/syscalls/fchmodat.S
+++ b/libc/arch-mips/syscalls/fchmodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmodat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fchown.S b/libc/arch-mips/syscalls/fchown.S
index f59c0f4..74956e0 100644
--- a/libc/arch-mips/syscalls/fchown.S
+++ b/libc/arch-mips/syscalls/fchown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchown)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fchownat.S b/libc/arch-mips/syscalls/fchownat.S
index af44cbc..54d1fde 100644
--- a/libc/arch-mips/syscalls/fchownat.S
+++ b/libc/arch-mips/syscalls/fchownat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchownat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fdatasync.S b/libc/arch-mips/syscalls/fdatasync.S
index 07e3592..f2d1b1f 100644
--- a/libc/arch-mips/syscalls/fdatasync.S
+++ b/libc/arch-mips/syscalls/fdatasync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fdatasync)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fgetxattr.S b/libc/arch-mips/syscalls/fgetxattr.S
index 035e71c..096cd97 100644
--- a/libc/arch-mips/syscalls/fgetxattr.S
+++ b/libc/arch-mips/syscalls/fgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fgetxattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/flistxattr.S b/libc/arch-mips/syscalls/flistxattr.S
index 500cd97..b577e57 100644
--- a/libc/arch-mips/syscalls/flistxattr.S
+++ b/libc/arch-mips/syscalls/flistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flistxattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/flock.S b/libc/arch-mips/syscalls/flock.S
index 7d843ab..87e9e04 100644
--- a/libc/arch-mips/syscalls/flock.S
+++ b/libc/arch-mips/syscalls/flock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flock)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fremovexattr.S b/libc/arch-mips/syscalls/fremovexattr.S
index 9f16186..8f7e74e 100644
--- a/libc/arch-mips/syscalls/fremovexattr.S
+++ b/libc/arch-mips/syscalls/fremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fremovexattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fsetxattr.S b/libc/arch-mips/syscalls/fsetxattr.S
index 0347128..e9a3490 100644
--- a/libc/arch-mips/syscalls/fsetxattr.S
+++ b/libc/arch-mips/syscalls/fsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsetxattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fstat64.S b/libc/arch-mips/syscalls/fstat64.S
index 7228541..c6d2a32 100644
--- a/libc/arch-mips/syscalls/fstat64.S
+++ b/libc/arch-mips/syscalls/fstat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstat64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fstatat64.S b/libc/arch-mips/syscalls/fstatat64.S
index b2903f2..2418b02 100644
--- a/libc/arch-mips/syscalls/fstatat64.S
+++ b/libc/arch-mips/syscalls/fstatat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatat64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/fsync.S b/libc/arch-mips/syscalls/fsync.S
index 96b417d..c5528dc 100644
--- a/libc/arch-mips/syscalls/fsync.S
+++ b/libc/arch-mips/syscalls/fsync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsync)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/ftruncate.S b/libc/arch-mips/syscalls/ftruncate.S
index bd428fb..dfd57a9 100644
--- a/libc/arch-mips/syscalls/ftruncate.S
+++ b/libc/arch-mips/syscalls/ftruncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/ftruncate64.S b/libc/arch-mips/syscalls/ftruncate64.S
index 357e9a5..a1df9e8 100644
--- a/libc/arch-mips/syscalls/ftruncate64.S
+++ b/libc/arch-mips/syscalls/ftruncate64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getegid.S b/libc/arch-mips/syscalls/getegid.S
index c3a3ac0..10f102c 100644
--- a/libc/arch-mips/syscalls/getegid.S
+++ b/libc/arch-mips/syscalls/getegid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getegid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/geteuid.S b/libc/arch-mips/syscalls/geteuid.S
index 66e6d4f..bac3b74 100644
--- a/libc/arch-mips/syscalls/geteuid.S
+++ b/libc/arch-mips/syscalls/geteuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(geteuid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getgid.S b/libc/arch-mips/syscalls/getgid.S
index 674d527..a1814bb 100644
--- a/libc/arch-mips/syscalls/getgid.S
+++ b/libc/arch-mips/syscalls/getgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getgroups.S b/libc/arch-mips/syscalls/getgroups.S
index caa031b..51ed523 100644
--- a/libc/arch-mips/syscalls/getgroups.S
+++ b/libc/arch-mips/syscalls/getgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgroups)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getitimer.S b/libc/arch-mips/syscalls/getitimer.S
index e7a655a..1afeee4 100644
--- a/libc/arch-mips/syscalls/getitimer.S
+++ b/libc/arch-mips/syscalls/getitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getitimer)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getpeername.S b/libc/arch-mips/syscalls/getpeername.S
index 31df8ad..b6e5f07 100644
--- a/libc/arch-mips/syscalls/getpeername.S
+++ b/libc/arch-mips/syscalls/getpeername.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpeername)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getpgid.S b/libc/arch-mips/syscalls/getpgid.S
index 7e3e439..01c6ec5 100644
--- a/libc/arch-mips/syscalls/getpgid.S
+++ b/libc/arch-mips/syscalls/getpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpgid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getppid.S b/libc/arch-mips/syscalls/getppid.S
index 3d76fc2..9ed04c0 100644
--- a/libc/arch-mips/syscalls/getppid.S
+++ b/libc/arch-mips/syscalls/getppid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getppid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getresgid.S b/libc/arch-mips/syscalls/getresgid.S
index 235902a..a2e16d4 100644
--- a/libc/arch-mips/syscalls/getresgid.S
+++ b/libc/arch-mips/syscalls/getresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresgid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getresuid.S b/libc/arch-mips/syscalls/getresuid.S
index c6c4c13..ff162e0 100644
--- a/libc/arch-mips/syscalls/getresuid.S
+++ b/libc/arch-mips/syscalls/getresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresuid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getrlimit.S b/libc/arch-mips/syscalls/getrlimit.S
index ef4ae89..1632f4d 100644
--- a/libc/arch-mips/syscalls/getrlimit.S
+++ b/libc/arch-mips/syscalls/getrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrlimit)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getrusage.S b/libc/arch-mips/syscalls/getrusage.S
index 21cabfa..b9c4207 100644
--- a/libc/arch-mips/syscalls/getrusage.S
+++ b/libc/arch-mips/syscalls/getrusage.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrusage)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getsid.S b/libc/arch-mips/syscalls/getsid.S
index b0b21a0..cb56f54 100644
--- a/libc/arch-mips/syscalls/getsid.S
+++ b/libc/arch-mips/syscalls/getsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getsockname.S b/libc/arch-mips/syscalls/getsockname.S
index 82d0b83..f7bff60 100644
--- a/libc/arch-mips/syscalls/getsockname.S
+++ b/libc/arch-mips/syscalls/getsockname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockname)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getsockopt.S b/libc/arch-mips/syscalls/getsockopt.S
index ad360e3..1490aa3 100644
--- a/libc/arch-mips/syscalls/getsockopt.S
+++ b/libc/arch-mips/syscalls/getsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockopt)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/gettimeofday.S b/libc/arch-mips/syscalls/gettimeofday.S
index e66fd77..a72ced6 100644
--- a/libc/arch-mips/syscalls/gettimeofday.S
+++ b/libc/arch-mips/syscalls/gettimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(gettimeofday)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getuid.S b/libc/arch-mips/syscalls/getuid.S
index 345af71..290a701 100644
--- a/libc/arch-mips/syscalls/getuid.S
+++ b/libc/arch-mips/syscalls/getuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getuid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/getxattr.S b/libc/arch-mips/syscalls/getxattr.S
index c7e215e..6ed4316 100644
--- a/libc/arch-mips/syscalls/getxattr.S
+++ b/libc/arch-mips/syscalls/getxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getxattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/init_module.S b/libc/arch-mips/syscalls/init_module.S
index 21ba5b1..6caf450 100644
--- a/libc/arch-mips/syscalls/init_module.S
+++ b/libc/arch-mips/syscalls/init_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(init_module)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/inotify_add_watch.S b/libc/arch-mips/syscalls/inotify_add_watch.S
index beb70ec..8464f8f 100644
--- a/libc/arch-mips/syscalls/inotify_add_watch.S
+++ b/libc/arch-mips/syscalls/inotify_add_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_add_watch)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/inotify_init1.S b/libc/arch-mips/syscalls/inotify_init1.S
index 6c825c6..b6cb6bc 100644
--- a/libc/arch-mips/syscalls/inotify_init1.S
+++ b/libc/arch-mips/syscalls/inotify_init1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_init1)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/inotify_rm_watch.S b/libc/arch-mips/syscalls/inotify_rm_watch.S
index 280f2b4..87a396a 100644
--- a/libc/arch-mips/syscalls/inotify_rm_watch.S
+++ b/libc/arch-mips/syscalls/inotify_rm_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_rm_watch)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/kill.S b/libc/arch-mips/syscalls/kill.S
index 0941717..3dda006 100644
--- a/libc/arch-mips/syscalls/kill.S
+++ b/libc/arch-mips/syscalls/kill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(kill)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/klogctl.S b/libc/arch-mips/syscalls/klogctl.S
index ebc8837..ae9a445 100644
--- a/libc/arch-mips/syscalls/klogctl.S
+++ b/libc/arch-mips/syscalls/klogctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(klogctl)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/lgetxattr.S b/libc/arch-mips/syscalls/lgetxattr.S
index 8c4a252..63c5add 100644
--- a/libc/arch-mips/syscalls/lgetxattr.S
+++ b/libc/arch-mips/syscalls/lgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lgetxattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/linkat.S b/libc/arch-mips/syscalls/linkat.S
index cc7278d..5bea417 100644
--- a/libc/arch-mips/syscalls/linkat.S
+++ b/libc/arch-mips/syscalls/linkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(linkat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/listen.S b/libc/arch-mips/syscalls/listen.S
index 68eba52..8d945f5 100644
--- a/libc/arch-mips/syscalls/listen.S
+++ b/libc/arch-mips/syscalls/listen.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listen)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/listxattr.S b/libc/arch-mips/syscalls/listxattr.S
index 006bfce..260d089 100644
--- a/libc/arch-mips/syscalls/listxattr.S
+++ b/libc/arch-mips/syscalls/listxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listxattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/llistxattr.S b/libc/arch-mips/syscalls/llistxattr.S
index 7f833ad..69474d8 100644
--- a/libc/arch-mips/syscalls/llistxattr.S
+++ b/libc/arch-mips/syscalls/llistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(llistxattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/lremovexattr.S b/libc/arch-mips/syscalls/lremovexattr.S
index 21d00ea..e33f31f 100644
--- a/libc/arch-mips/syscalls/lremovexattr.S
+++ b/libc/arch-mips/syscalls/lremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lremovexattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/lseek.S b/libc/arch-mips/syscalls/lseek.S
index 82c2776..21abe1c 100644
--- a/libc/arch-mips/syscalls/lseek.S
+++ b/libc/arch-mips/syscalls/lseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lseek)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/lsetxattr.S b/libc/arch-mips/syscalls/lsetxattr.S
index d54ec69..dcd510a 100644
--- a/libc/arch-mips/syscalls/lsetxattr.S
+++ b/libc/arch-mips/syscalls/lsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lsetxattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/madvise.S b/libc/arch-mips/syscalls/madvise.S
index 9aa2815..49c007a 100644
--- a/libc/arch-mips/syscalls/madvise.S
+++ b/libc/arch-mips/syscalls/madvise.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(madvise)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/mincore.S b/libc/arch-mips/syscalls/mincore.S
index 0db4313..07102a6 100644
--- a/libc/arch-mips/syscalls/mincore.S
+++ b/libc/arch-mips/syscalls/mincore.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mincore)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/mkdirat.S b/libc/arch-mips/syscalls/mkdirat.S
index 0ac98d4..96a2d08 100644
--- a/libc/arch-mips/syscalls/mkdirat.S
+++ b/libc/arch-mips/syscalls/mkdirat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mkdirat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/mknodat.S b/libc/arch-mips/syscalls/mknodat.S
index b85d8bf..a88b906 100644
--- a/libc/arch-mips/syscalls/mknodat.S
+++ b/libc/arch-mips/syscalls/mknodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mknodat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/mlock.S b/libc/arch-mips/syscalls/mlock.S
index 0ba2bca..eff66b8 100644
--- a/libc/arch-mips/syscalls/mlock.S
+++ b/libc/arch-mips/syscalls/mlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlock)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/mlockall.S b/libc/arch-mips/syscalls/mlockall.S
index 642c6e2..c31eeaf 100644
--- a/libc/arch-mips/syscalls/mlockall.S
+++ b/libc/arch-mips/syscalls/mlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlockall)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/mount.S b/libc/arch-mips/syscalls/mount.S
index f0c5f6b..cb1f1d1 100644
--- a/libc/arch-mips/syscalls/mount.S
+++ b/libc/arch-mips/syscalls/mount.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mount)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/mprotect.S b/libc/arch-mips/syscalls/mprotect.S
index c0ce988..4e390eb 100644
--- a/libc/arch-mips/syscalls/mprotect.S
+++ b/libc/arch-mips/syscalls/mprotect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mprotect)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/mremap.S b/libc/arch-mips/syscalls/mremap.S
index bd4c385..7b9a68a 100644
--- a/libc/arch-mips/syscalls/mremap.S
+++ b/libc/arch-mips/syscalls/mremap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mremap)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/msync.S b/libc/arch-mips/syscalls/msync.S
index e8ecb2a..7b19a83 100644
--- a/libc/arch-mips/syscalls/msync.S
+++ b/libc/arch-mips/syscalls/msync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(msync)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/munlock.S b/libc/arch-mips/syscalls/munlock.S
index f8ddc3a..17dc719 100644
--- a/libc/arch-mips/syscalls/munlock.S
+++ b/libc/arch-mips/syscalls/munlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlock)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/munlockall.S b/libc/arch-mips/syscalls/munlockall.S
index 5ced5c6..f0dc2d4 100644
--- a/libc/arch-mips/syscalls/munlockall.S
+++ b/libc/arch-mips/syscalls/munlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlockall)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/munmap.S b/libc/arch-mips/syscalls/munmap.S
index 527825c..dc3a524 100644
--- a/libc/arch-mips/syscalls/munmap.S
+++ b/libc/arch-mips/syscalls/munmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munmap)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/nanosleep.S b/libc/arch-mips/syscalls/nanosleep.S
index 8dc816a..fa74288 100644
--- a/libc/arch-mips/syscalls/nanosleep.S
+++ b/libc/arch-mips/syscalls/nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(nanosleep)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/personality.S b/libc/arch-mips/syscalls/personality.S
index e8449a7..467f2ec 100644
--- a/libc/arch-mips/syscalls/personality.S
+++ b/libc/arch-mips/syscalls/personality.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(personality)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/pipe2.S b/libc/arch-mips/syscalls/pipe2.S
index 478d364..c505956 100644
--- a/libc/arch-mips/syscalls/pipe2.S
+++ b/libc/arch-mips/syscalls/pipe2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pipe2)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/prctl.S b/libc/arch-mips/syscalls/prctl.S
index e9aff3c..60c18be 100644
--- a/libc/arch-mips/syscalls/prctl.S
+++ b/libc/arch-mips/syscalls/prctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prctl)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/pread64.S b/libc/arch-mips/syscalls/pread64.S
index 55a54c6..debc558 100644
--- a/libc/arch-mips/syscalls/pread64.S
+++ b/libc/arch-mips/syscalls/pread64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pread64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/prlimit64.S b/libc/arch-mips/syscalls/prlimit64.S
index c695d18..ce1686f 100644
--- a/libc/arch-mips/syscalls/prlimit64.S
+++ b/libc/arch-mips/syscalls/prlimit64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prlimit64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/pwrite64.S b/libc/arch-mips/syscalls/pwrite64.S
index 64d3ee1..b1ff89b 100644
--- a/libc/arch-mips/syscalls/pwrite64.S
+++ b/libc/arch-mips/syscalls/pwrite64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pwrite64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/read.S b/libc/arch-mips/syscalls/read.S
index ff548ab..d98c9a6 100644
--- a/libc/arch-mips/syscalls/read.S
+++ b/libc/arch-mips/syscalls/read.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(read)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/readahead.S b/libc/arch-mips/syscalls/readahead.S
index 674286a..7dd4473 100644
--- a/libc/arch-mips/syscalls/readahead.S
+++ b/libc/arch-mips/syscalls/readahead.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readahead)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/readlinkat.S b/libc/arch-mips/syscalls/readlinkat.S
index a1c7d6b..99f07a4 100644
--- a/libc/arch-mips/syscalls/readlinkat.S
+++ b/libc/arch-mips/syscalls/readlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readlinkat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/readv.S b/libc/arch-mips/syscalls/readv.S
index af5a4cb..3985c9c 100644
--- a/libc/arch-mips/syscalls/readv.S
+++ b/libc/arch-mips/syscalls/readv.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readv)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/recvfrom.S b/libc/arch-mips/syscalls/recvfrom.S
index 04b04f6..afda11e 100644
--- a/libc/arch-mips/syscalls/recvfrom.S
+++ b/libc/arch-mips/syscalls/recvfrom.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvfrom)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/recvmmsg.S b/libc/arch-mips/syscalls/recvmmsg.S
index 23e511b..1122c01 100644
--- a/libc/arch-mips/syscalls/recvmmsg.S
+++ b/libc/arch-mips/syscalls/recvmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmmsg)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/recvmsg.S b/libc/arch-mips/syscalls/recvmsg.S
index a0a3a3f..a64606b 100644
--- a/libc/arch-mips/syscalls/recvmsg.S
+++ b/libc/arch-mips/syscalls/recvmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmsg)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/removexattr.S b/libc/arch-mips/syscalls/removexattr.S
index 0f72ebf..a356160 100644
--- a/libc/arch-mips/syscalls/removexattr.S
+++ b/libc/arch-mips/syscalls/removexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(removexattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/renameat.S b/libc/arch-mips/syscalls/renameat.S
index 210b439..63de839 100644
--- a/libc/arch-mips/syscalls/renameat.S
+++ b/libc/arch-mips/syscalls/renameat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(renameat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sched_get_priority_max.S b/libc/arch-mips/syscalls/sched_get_priority_max.S
index d15a868..ea88c0f 100644
--- a/libc/arch-mips/syscalls/sched_get_priority_max.S
+++ b/libc/arch-mips/syscalls/sched_get_priority_max.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_max)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sched_get_priority_min.S b/libc/arch-mips/syscalls/sched_get_priority_min.S
index 5ff21c6..0320847 100644
--- a/libc/arch-mips/syscalls/sched_get_priority_min.S
+++ b/libc/arch-mips/syscalls/sched_get_priority_min.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_min)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sched_getparam.S b/libc/arch-mips/syscalls/sched_getparam.S
index 1cbe720..4be69b3 100644
--- a/libc/arch-mips/syscalls/sched_getparam.S
+++ b/libc/arch-mips/syscalls/sched_getparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getparam)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sched_getscheduler.S b/libc/arch-mips/syscalls/sched_getscheduler.S
index 88b16e0..aaf0e91 100644
--- a/libc/arch-mips/syscalls/sched_getscheduler.S
+++ b/libc/arch-mips/syscalls/sched_getscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getscheduler)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sched_rr_get_interval.S b/libc/arch-mips/syscalls/sched_rr_get_interval.S
index 647ee3c..fcf2bcb 100644
--- a/libc/arch-mips/syscalls/sched_rr_get_interval.S
+++ b/libc/arch-mips/syscalls/sched_rr_get_interval.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_rr_get_interval)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sched_setaffinity.S b/libc/arch-mips/syscalls/sched_setaffinity.S
index 1184766..b9394c5 100644
--- a/libc/arch-mips/syscalls/sched_setaffinity.S
+++ b/libc/arch-mips/syscalls/sched_setaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setaffinity)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sched_setparam.S b/libc/arch-mips/syscalls/sched_setparam.S
index 1811c74..90c82fe 100644
--- a/libc/arch-mips/syscalls/sched_setparam.S
+++ b/libc/arch-mips/syscalls/sched_setparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setparam)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sched_setscheduler.S b/libc/arch-mips/syscalls/sched_setscheduler.S
index 8921d30..05e4e8b 100644
--- a/libc/arch-mips/syscalls/sched_setscheduler.S
+++ b/libc/arch-mips/syscalls/sched_setscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setscheduler)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sched_yield.S b/libc/arch-mips/syscalls/sched_yield.S
index 37f09be..1556580 100644
--- a/libc/arch-mips/syscalls/sched_yield.S
+++ b/libc/arch-mips/syscalls/sched_yield.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_yield)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sendfile.S b/libc/arch-mips/syscalls/sendfile.S
index 84466b9..eb99d09 100644
--- a/libc/arch-mips/syscalls/sendfile.S
+++ b/libc/arch-mips/syscalls/sendfile.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sendfile64.S b/libc/arch-mips/syscalls/sendfile64.S
index d9733f6..1d5c5f0 100644
--- a/libc/arch-mips/syscalls/sendfile64.S
+++ b/libc/arch-mips/syscalls/sendfile64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sendmmsg.S b/libc/arch-mips/syscalls/sendmmsg.S
index d99ba93..16f37a1 100644
--- a/libc/arch-mips/syscalls/sendmmsg.S
+++ b/libc/arch-mips/syscalls/sendmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmmsg)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sendmsg.S b/libc/arch-mips/syscalls/sendmsg.S
index 5c37c62..31bb563 100644
--- a/libc/arch-mips/syscalls/sendmsg.S
+++ b/libc/arch-mips/syscalls/sendmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmsg)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sendto.S b/libc/arch-mips/syscalls/sendto.S
index 580d142..2ba696d 100644
--- a/libc/arch-mips/syscalls/sendto.S
+++ b/libc/arch-mips/syscalls/sendto.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendto)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setfsgid.S b/libc/arch-mips/syscalls/setfsgid.S
index 6a59565..81d33d0 100644
--- a/libc/arch-mips/syscalls/setfsgid.S
+++ b/libc/arch-mips/syscalls/setfsgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsgid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setfsuid.S b/libc/arch-mips/syscalls/setfsuid.S
index 1c2317a..6889077 100644
--- a/libc/arch-mips/syscalls/setfsuid.S
+++ b/libc/arch-mips/syscalls/setfsuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsuid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setgid.S b/libc/arch-mips/syscalls/setgid.S
index 8fa188e..83649da 100644
--- a/libc/arch-mips/syscalls/setgid.S
+++ b/libc/arch-mips/syscalls/setgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setgroups.S b/libc/arch-mips/syscalls/setgroups.S
index f2d271c..b98608c 100644
--- a/libc/arch-mips/syscalls/setgroups.S
+++ b/libc/arch-mips/syscalls/setgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgroups)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setitimer.S b/libc/arch-mips/syscalls/setitimer.S
index a2eea84..dc9a8f3 100644
--- a/libc/arch-mips/syscalls/setitimer.S
+++ b/libc/arch-mips/syscalls/setitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setitimer)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setns.S b/libc/arch-mips/syscalls/setns.S
index 8a4f674..9a4939d 100644
--- a/libc/arch-mips/syscalls/setns.S
+++ b/libc/arch-mips/syscalls/setns.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setns)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setpgid.S b/libc/arch-mips/syscalls/setpgid.S
index c68f9a6..cbc1ff3 100644
--- a/libc/arch-mips/syscalls/setpgid.S
+++ b/libc/arch-mips/syscalls/setpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpgid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setpriority.S b/libc/arch-mips/syscalls/setpriority.S
index 2bf9f47..6b8a504 100644
--- a/libc/arch-mips/syscalls/setpriority.S
+++ b/libc/arch-mips/syscalls/setpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpriority)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setregid.S b/libc/arch-mips/syscalls/setregid.S
index de77e39..6388784 100644
--- a/libc/arch-mips/syscalls/setregid.S
+++ b/libc/arch-mips/syscalls/setregid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setregid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setresgid.S b/libc/arch-mips/syscalls/setresgid.S
index b2fd85f..76968a8 100644
--- a/libc/arch-mips/syscalls/setresgid.S
+++ b/libc/arch-mips/syscalls/setresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresgid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setresuid.S b/libc/arch-mips/syscalls/setresuid.S
index ad9ea9b..fae15f8 100644
--- a/libc/arch-mips/syscalls/setresuid.S
+++ b/libc/arch-mips/syscalls/setresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresuid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setreuid.S b/libc/arch-mips/syscalls/setreuid.S
index 888d219..8350cb7 100644
--- a/libc/arch-mips/syscalls/setreuid.S
+++ b/libc/arch-mips/syscalls/setreuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setreuid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setrlimit.S b/libc/arch-mips/syscalls/setrlimit.S
index 71b49ac..d708c2d 100644
--- a/libc/arch-mips/syscalls/setrlimit.S
+++ b/libc/arch-mips/syscalls/setrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setrlimit)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setsid.S b/libc/arch-mips/syscalls/setsid.S
index 9467a08..cb5838d 100644
--- a/libc/arch-mips/syscalls/setsid.S
+++ b/libc/arch-mips/syscalls/setsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setsockopt.S b/libc/arch-mips/syscalls/setsockopt.S
index e8dd3f6..da348f1 100644
--- a/libc/arch-mips/syscalls/setsockopt.S
+++ b/libc/arch-mips/syscalls/setsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsockopt)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/settimeofday.S b/libc/arch-mips/syscalls/settimeofday.S
index b9b588f..cd52b40 100644
--- a/libc/arch-mips/syscalls/settimeofday.S
+++ b/libc/arch-mips/syscalls/settimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(settimeofday)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setuid.S b/libc/arch-mips/syscalls/setuid.S
index 55c75c1..a80ec5c 100644
--- a/libc/arch-mips/syscalls/setuid.S
+++ b/libc/arch-mips/syscalls/setuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setuid)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/setxattr.S b/libc/arch-mips/syscalls/setxattr.S
index 0cca64c..df7bcdb 100644
--- a/libc/arch-mips/syscalls/setxattr.S
+++ b/libc/arch-mips/syscalls/setxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setxattr)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/shutdown.S b/libc/arch-mips/syscalls/shutdown.S
index f6e9979..71e6366 100644
--- a/libc/arch-mips/syscalls/shutdown.S
+++ b/libc/arch-mips/syscalls/shutdown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(shutdown)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sigaltstack.S b/libc/arch-mips/syscalls/sigaltstack.S
index 6632164..b52c60a 100644
--- a/libc/arch-mips/syscalls/sigaltstack.S
+++ b/libc/arch-mips/syscalls/sigaltstack.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sigaltstack)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/socketpair.S b/libc/arch-mips/syscalls/socketpair.S
index 6257327..47223e1 100644
--- a/libc/arch-mips/syscalls/socketpair.S
+++ b/libc/arch-mips/syscalls/socketpair.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(socketpair)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/splice.S b/libc/arch-mips/syscalls/splice.S
index d344a6c..611a062 100644
--- a/libc/arch-mips/syscalls/splice.S
+++ b/libc/arch-mips/syscalls/splice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(splice)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/swapoff.S b/libc/arch-mips/syscalls/swapoff.S
index 04b5b70..8b57068 100644
--- a/libc/arch-mips/syscalls/swapoff.S
+++ b/libc/arch-mips/syscalls/swapoff.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapoff)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/swapon.S b/libc/arch-mips/syscalls/swapon.S
index 1fe3698..ef3a537 100644
--- a/libc/arch-mips/syscalls/swapon.S
+++ b/libc/arch-mips/syscalls/swapon.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapon)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/symlinkat.S b/libc/arch-mips/syscalls/symlinkat.S
index 5bd6e6c..65971a9 100644
--- a/libc/arch-mips/syscalls/symlinkat.S
+++ b/libc/arch-mips/syscalls/symlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(symlinkat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sync.S b/libc/arch-mips/syscalls/sync.S
index eb788f0..d62ae76 100644
--- a/libc/arch-mips/syscalls/sync.S
+++ b/libc/arch-mips/syscalls/sync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sync)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/sysinfo.S b/libc/arch-mips/syscalls/sysinfo.S
index 7cdccb9..600e086 100644
--- a/libc/arch-mips/syscalls/sysinfo.S
+++ b/libc/arch-mips/syscalls/sysinfo.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sysinfo)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/tee.S b/libc/arch-mips/syscalls/tee.S
index e51732d..90ec911 100644
--- a/libc/arch-mips/syscalls/tee.S
+++ b/libc/arch-mips/syscalls/tee.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tee)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/tgkill.S b/libc/arch-mips/syscalls/tgkill.S
index 9938843..39a148b 100644
--- a/libc/arch-mips/syscalls/tgkill.S
+++ b/libc/arch-mips/syscalls/tgkill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tgkill)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/timerfd_create.S b/libc/arch-mips/syscalls/timerfd_create.S
index c42f4e1..b50903a 100644
--- a/libc/arch-mips/syscalls/timerfd_create.S
+++ b/libc/arch-mips/syscalls/timerfd_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_create)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/timerfd_gettime.S b/libc/arch-mips/syscalls/timerfd_gettime.S
index 469d174..97d3045 100644
--- a/libc/arch-mips/syscalls/timerfd_gettime.S
+++ b/libc/arch-mips/syscalls/timerfd_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_gettime)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/timerfd_settime.S b/libc/arch-mips/syscalls/timerfd_settime.S
index c7c6f47..1e56f86 100644
--- a/libc/arch-mips/syscalls/timerfd_settime.S
+++ b/libc/arch-mips/syscalls/timerfd_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_settime)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/times.S b/libc/arch-mips/syscalls/times.S
index 157b34c..60904d1 100644
--- a/libc/arch-mips/syscalls/times.S
+++ b/libc/arch-mips/syscalls/times.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(times)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/truncate.S b/libc/arch-mips/syscalls/truncate.S
index 7fe4a0f..ec7bc49 100644
--- a/libc/arch-mips/syscalls/truncate.S
+++ b/libc/arch-mips/syscalls/truncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/truncate64.S b/libc/arch-mips/syscalls/truncate64.S
index 0911f5f..b6a0234 100644
--- a/libc/arch-mips/syscalls/truncate64.S
+++ b/libc/arch-mips/syscalls/truncate64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate64)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/umask.S b/libc/arch-mips/syscalls/umask.S
index 57a6aed..8f66e77 100644
--- a/libc/arch-mips/syscalls/umask.S
+++ b/libc/arch-mips/syscalls/umask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umask)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/umount2.S b/libc/arch-mips/syscalls/umount2.S
index bf8267d..58e31f3 100644
--- a/libc/arch-mips/syscalls/umount2.S
+++ b/libc/arch-mips/syscalls/umount2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umount2)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/uname.S b/libc/arch-mips/syscalls/uname.S
index ce77bd5..401d139 100644
--- a/libc/arch-mips/syscalls/uname.S
+++ b/libc/arch-mips/syscalls/uname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(uname)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/unlinkat.S b/libc/arch-mips/syscalls/unlinkat.S
index 82e584b..b6e849d 100644
--- a/libc/arch-mips/syscalls/unlinkat.S
+++ b/libc/arch-mips/syscalls/unlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unlinkat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/unshare.S b/libc/arch-mips/syscalls/unshare.S
index 0521f30..5262832 100644
--- a/libc/arch-mips/syscalls/unshare.S
+++ b/libc/arch-mips/syscalls/unshare.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unshare)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/utimensat.S b/libc/arch-mips/syscalls/utimensat.S
index 208ef58..9ecb5c0 100644
--- a/libc/arch-mips/syscalls/utimensat.S
+++ b/libc/arch-mips/syscalls/utimensat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(utimensat)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/vmsplice.S b/libc/arch-mips/syscalls/vmsplice.S
index 24da515..5ad23a6 100644
--- a/libc/arch-mips/syscalls/vmsplice.S
+++ b/libc/arch-mips/syscalls/vmsplice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(vmsplice)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/wait4.S b/libc/arch-mips/syscalls/wait4.S
index ec6bd84..8f8d879 100644
--- a/libc/arch-mips/syscalls/wait4.S
+++ b/libc/arch-mips/syscalls/wait4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(wait4)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/write.S b/libc/arch-mips/syscalls/write.S
index d10e55a..3e37919 100644
--- a/libc/arch-mips/syscalls/write.S
+++ b/libc/arch-mips/syscalls/write.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(write)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips/syscalls/writev.S b/libc/arch-mips/syscalls/writev.S
index 0a2c033..72ea2f2 100644
--- a/libc/arch-mips/syscalls/writev.S
+++ b/libc/arch-mips/syscalls/writev.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(writev)
     .set noreorder
     .cpload t9
diff --git a/libc/arch-mips64/syscalls/__accept4.S b/libc/arch-mips64/syscalls/__accept4.S
index e68bdb6..0891d7f 100644
--- a/libc/arch-mips64/syscalls/__accept4.S
+++ b/libc/arch-mips64/syscalls/__accept4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__accept4)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__brk.S b/libc/arch-mips64/syscalls/__brk.S
index 99a108a..86f390c 100644
--- a/libc/arch-mips64/syscalls/__brk.S
+++ b/libc/arch-mips64/syscalls/__brk.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__brk)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__connect.S b/libc/arch-mips64/syscalls/__connect.S
index b1475fb..2efbb2a 100644
--- a/libc/arch-mips64/syscalls/__connect.S
+++ b/libc/arch-mips64/syscalls/__connect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__connect)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__epoll_pwait.S b/libc/arch-mips64/syscalls/__epoll_pwait.S
index fc3867a..430d9bb 100644
--- a/libc/arch-mips64/syscalls/__epoll_pwait.S
+++ b/libc/arch-mips64/syscalls/__epoll_pwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__epoll_pwait)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__exit.S b/libc/arch-mips64/syscalls/__exit.S
index dac53b9..ebee0d1 100644
--- a/libc/arch-mips64/syscalls/__exit.S
+++ b/libc/arch-mips64/syscalls/__exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__exit)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__getcpu.S b/libc/arch-mips64/syscalls/__getcpu.S
index 9c08710..34a8acb 100644
--- a/libc/arch-mips64/syscalls/__getcpu.S
+++ b/libc/arch-mips64/syscalls/__getcpu.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcpu)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__getcwd.S b/libc/arch-mips64/syscalls/__getcwd.S
index 79fbca3..e7a09a6 100644
--- a/libc/arch-mips64/syscalls/__getcwd.S
+++ b/libc/arch-mips64/syscalls/__getcwd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcwd)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__getdents64.S b/libc/arch-mips64/syscalls/__getdents64.S
index 6df556a..dc51e72 100644
--- a/libc/arch-mips64/syscalls/__getdents64.S
+++ b/libc/arch-mips64/syscalls/__getdents64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getdents64)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__getpid.S b/libc/arch-mips64/syscalls/__getpid.S
index 0977ff0..86b4071 100644
--- a/libc/arch-mips64/syscalls/__getpid.S
+++ b/libc/arch-mips64/syscalls/__getpid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__getpriority.S b/libc/arch-mips64/syscalls/__getpriority.S
index 6ca2e1f..f0c7267 100644
--- a/libc/arch-mips64/syscalls/__getpriority.S
+++ b/libc/arch-mips64/syscalls/__getpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpriority)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__ioctl.S b/libc/arch-mips64/syscalls/__ioctl.S
index 013ce18..1f94075 100644
--- a/libc/arch-mips64/syscalls/__ioctl.S
+++ b/libc/arch-mips64/syscalls/__ioctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ioctl)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__openat.S b/libc/arch-mips64/syscalls/__openat.S
index 1d46ef6..6cc56da 100644
--- a/libc/arch-mips64/syscalls/__openat.S
+++ b/libc/arch-mips64/syscalls/__openat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__openat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__ppoll.S b/libc/arch-mips64/syscalls/__ppoll.S
index fb0e19a..ce3a551 100644
--- a/libc/arch-mips64/syscalls/__ppoll.S
+++ b/libc/arch-mips64/syscalls/__ppoll.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ppoll)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__pselect6.S b/libc/arch-mips64/syscalls/__pselect6.S
index 3055b31..dbfe79f 100644
--- a/libc/arch-mips64/syscalls/__pselect6.S
+++ b/libc/arch-mips64/syscalls/__pselect6.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__pselect6)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__ptrace.S b/libc/arch-mips64/syscalls/__ptrace.S
index bae7733..e26217f 100644
--- a/libc/arch-mips64/syscalls/__ptrace.S
+++ b/libc/arch-mips64/syscalls/__ptrace.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ptrace)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__reboot.S b/libc/arch-mips64/syscalls/__reboot.S
index 31a97e3..a4f4e71 100644
--- a/libc/arch-mips64/syscalls/__reboot.S
+++ b/libc/arch-mips64/syscalls/__reboot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__reboot)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__rt_sigaction.S b/libc/arch-mips64/syscalls/__rt_sigaction.S
index 3728c58..10f3598 100644
--- a/libc/arch-mips64/syscalls/__rt_sigaction.S
+++ b/libc/arch-mips64/syscalls/__rt_sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigaction)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__rt_sigpending.S b/libc/arch-mips64/syscalls/__rt_sigpending.S
index e0d40cc..7855cca 100644
--- a/libc/arch-mips64/syscalls/__rt_sigpending.S
+++ b/libc/arch-mips64/syscalls/__rt_sigpending.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigpending)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__rt_sigprocmask.S b/libc/arch-mips64/syscalls/__rt_sigprocmask.S
index d34a34b..f1ba2e9 100644
--- a/libc/arch-mips64/syscalls/__rt_sigprocmask.S
+++ b/libc/arch-mips64/syscalls/__rt_sigprocmask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigprocmask)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__rt_sigsuspend.S b/libc/arch-mips64/syscalls/__rt_sigsuspend.S
index f36e1c3..50ebf5e 100644
--- a/libc/arch-mips64/syscalls/__rt_sigsuspend.S
+++ b/libc/arch-mips64/syscalls/__rt_sigsuspend.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigsuspend)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__rt_sigtimedwait.S b/libc/arch-mips64/syscalls/__rt_sigtimedwait.S
index 798d6f8..304d049 100644
--- a/libc/arch-mips64/syscalls/__rt_sigtimedwait.S
+++ b/libc/arch-mips64/syscalls/__rt_sigtimedwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigtimedwait)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__sched_getaffinity.S b/libc/arch-mips64/syscalls/__sched_getaffinity.S
index a287815..cf590c3 100644
--- a/libc/arch-mips64/syscalls/__sched_getaffinity.S
+++ b/libc/arch-mips64/syscalls/__sched_getaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sched_getaffinity)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__set_tid_address.S b/libc/arch-mips64/syscalls/__set_tid_address.S
index 8757001..d08aa7b 100644
--- a/libc/arch-mips64/syscalls/__set_tid_address.S
+++ b/libc/arch-mips64/syscalls/__set_tid_address.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tid_address)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__set_tls.S b/libc/arch-mips64/syscalls/__set_tls.S
index f1c31b4..430c5fb 100644
--- a/libc/arch-mips64/syscalls/__set_tls.S
+++ b/libc/arch-mips64/syscalls/__set_tls.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tls)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__signalfd4.S b/libc/arch-mips64/syscalls/__signalfd4.S
index c4fe77b..0200138 100644
--- a/libc/arch-mips64/syscalls/__signalfd4.S
+++ b/libc/arch-mips64/syscalls/__signalfd4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__signalfd4)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__socket.S b/libc/arch-mips64/syscalls/__socket.S
index d1e0058..ac7586a 100644
--- a/libc/arch-mips64/syscalls/__socket.S
+++ b/libc/arch-mips64/syscalls/__socket.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__socket)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__timer_create.S b/libc/arch-mips64/syscalls/__timer_create.S
index 5a4daac..518207d 100644
--- a/libc/arch-mips64/syscalls/__timer_create.S
+++ b/libc/arch-mips64/syscalls/__timer_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_create)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__timer_delete.S b/libc/arch-mips64/syscalls/__timer_delete.S
index 8bbbdb7..4db1c85 100644
--- a/libc/arch-mips64/syscalls/__timer_delete.S
+++ b/libc/arch-mips64/syscalls/__timer_delete.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_delete)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__timer_getoverrun.S b/libc/arch-mips64/syscalls/__timer_getoverrun.S
index 3bf06cc..c5aa40f 100644
--- a/libc/arch-mips64/syscalls/__timer_getoverrun.S
+++ b/libc/arch-mips64/syscalls/__timer_getoverrun.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_getoverrun)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__timer_gettime.S b/libc/arch-mips64/syscalls/__timer_gettime.S
index a15ec17..8bebdd8 100644
--- a/libc/arch-mips64/syscalls/__timer_gettime.S
+++ b/libc/arch-mips64/syscalls/__timer_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_gettime)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__timer_settime.S b/libc/arch-mips64/syscalls/__timer_settime.S
index 10e2ca8..536c816 100644
--- a/libc/arch-mips64/syscalls/__timer_settime.S
+++ b/libc/arch-mips64/syscalls/__timer_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_settime)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/__waitid.S b/libc/arch-mips64/syscalls/__waitid.S
index 4d971e6..28b99bc 100644
--- a/libc/arch-mips64/syscalls/__waitid.S
+++ b/libc/arch-mips64/syscalls/__waitid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__waitid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/_exit.S b/libc/arch-mips64/syscalls/_exit.S
index eb84def..370960e 100644
--- a/libc/arch-mips64/syscalls/_exit.S
+++ b/libc/arch-mips64/syscalls/_exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(_exit)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/_flush_cache.S b/libc/arch-mips64/syscalls/_flush_cache.S
index 132fd4e..997ccec 100644
--- a/libc/arch-mips64/syscalls/_flush_cache.S
+++ b/libc/arch-mips64/syscalls/_flush_cache.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(_flush_cache)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/acct.S b/libc/arch-mips64/syscalls/acct.S
index 7185877..70bdd3e 100644
--- a/libc/arch-mips64/syscalls/acct.S
+++ b/libc/arch-mips64/syscalls/acct.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(acct)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/bind.S b/libc/arch-mips64/syscalls/bind.S
index cb28bb4..fab9b42 100644
--- a/libc/arch-mips64/syscalls/bind.S
+++ b/libc/arch-mips64/syscalls/bind.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(bind)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/capget.S b/libc/arch-mips64/syscalls/capget.S
index 068e076..6c1a13c 100644
--- a/libc/arch-mips64/syscalls/capget.S
+++ b/libc/arch-mips64/syscalls/capget.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capget)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/capset.S b/libc/arch-mips64/syscalls/capset.S
index f29501b..da8e9e6 100644
--- a/libc/arch-mips64/syscalls/capset.S
+++ b/libc/arch-mips64/syscalls/capset.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capset)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/chdir.S b/libc/arch-mips64/syscalls/chdir.S
index c2753bd..37f8f69 100644
--- a/libc/arch-mips64/syscalls/chdir.S
+++ b/libc/arch-mips64/syscalls/chdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chdir)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/chroot.S b/libc/arch-mips64/syscalls/chroot.S
index ca1d4a8..7dced37 100644
--- a/libc/arch-mips64/syscalls/chroot.S
+++ b/libc/arch-mips64/syscalls/chroot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chroot)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/clock_getres.S b/libc/arch-mips64/syscalls/clock_getres.S
index e7a8dd3..72ad146 100644
--- a/libc/arch-mips64/syscalls/clock_getres.S
+++ b/libc/arch-mips64/syscalls/clock_getres.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_getres)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/clock_gettime.S b/libc/arch-mips64/syscalls/clock_gettime.S
index 4c92a38..431e667 100644
--- a/libc/arch-mips64/syscalls/clock_gettime.S
+++ b/libc/arch-mips64/syscalls/clock_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_gettime)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/clock_nanosleep.S b/libc/arch-mips64/syscalls/clock_nanosleep.S
index 2934591..c0db781 100644
--- a/libc/arch-mips64/syscalls/clock_nanosleep.S
+++ b/libc/arch-mips64/syscalls/clock_nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_nanosleep)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/clock_settime.S b/libc/arch-mips64/syscalls/clock_settime.S
index 1969cb6..c9a4a79 100644
--- a/libc/arch-mips64/syscalls/clock_settime.S
+++ b/libc/arch-mips64/syscalls/clock_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_settime)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/close.S b/libc/arch-mips64/syscalls/close.S
index f446000..ff093e4 100644
--- a/libc/arch-mips64/syscalls/close.S
+++ b/libc/arch-mips64/syscalls/close.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(close)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/delete_module.S b/libc/arch-mips64/syscalls/delete_module.S
index d24adf8..86c64d6 100644
--- a/libc/arch-mips64/syscalls/delete_module.S
+++ b/libc/arch-mips64/syscalls/delete_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(delete_module)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/dup.S b/libc/arch-mips64/syscalls/dup.S
index 5d2d7de..23aa5c0 100644
--- a/libc/arch-mips64/syscalls/dup.S
+++ b/libc/arch-mips64/syscalls/dup.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/dup3.S b/libc/arch-mips64/syscalls/dup3.S
index 90f0f89..a5392dc 100644
--- a/libc/arch-mips64/syscalls/dup3.S
+++ b/libc/arch-mips64/syscalls/dup3.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup3)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/epoll_create1.S b/libc/arch-mips64/syscalls/epoll_create1.S
index 312887f..c3219d4 100644
--- a/libc/arch-mips64/syscalls/epoll_create1.S
+++ b/libc/arch-mips64/syscalls/epoll_create1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_create1)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/epoll_ctl.S b/libc/arch-mips64/syscalls/epoll_ctl.S
index 461ad7b..9b740d0 100644
--- a/libc/arch-mips64/syscalls/epoll_ctl.S
+++ b/libc/arch-mips64/syscalls/epoll_ctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_ctl)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/eventfd.S b/libc/arch-mips64/syscalls/eventfd.S
index da8866e..ea3a2c6 100644
--- a/libc/arch-mips64/syscalls/eventfd.S
+++ b/libc/arch-mips64/syscalls/eventfd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(eventfd)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/execve.S b/libc/arch-mips64/syscalls/execve.S
index 3cb49b6..af2c6d0 100644
--- a/libc/arch-mips64/syscalls/execve.S
+++ b/libc/arch-mips64/syscalls/execve.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(execve)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/faccessat.S b/libc/arch-mips64/syscalls/faccessat.S
index d06f420..c8ee9e5 100644
--- a/libc/arch-mips64/syscalls/faccessat.S
+++ b/libc/arch-mips64/syscalls/faccessat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(faccessat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fallocate.S b/libc/arch-mips64/syscalls/fallocate.S
index d1e64b5..9e7c89e 100644
--- a/libc/arch-mips64/syscalls/fallocate.S
+++ b/libc/arch-mips64/syscalls/fallocate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fallocate)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fchdir.S b/libc/arch-mips64/syscalls/fchdir.S
index 0c8ab73..780a8a2 100644
--- a/libc/arch-mips64/syscalls/fchdir.S
+++ b/libc/arch-mips64/syscalls/fchdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchdir)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fchmod.S b/libc/arch-mips64/syscalls/fchmod.S
index 4ebb796..b9e7cab 100644
--- a/libc/arch-mips64/syscalls/fchmod.S
+++ b/libc/arch-mips64/syscalls/fchmod.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmod)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fchmodat.S b/libc/arch-mips64/syscalls/fchmodat.S
index 4887324..ff04c8c 100644
--- a/libc/arch-mips64/syscalls/fchmodat.S
+++ b/libc/arch-mips64/syscalls/fchmodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmodat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fchown.S b/libc/arch-mips64/syscalls/fchown.S
index c21c831..97bd208 100644
--- a/libc/arch-mips64/syscalls/fchown.S
+++ b/libc/arch-mips64/syscalls/fchown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchown)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fchownat.S b/libc/arch-mips64/syscalls/fchownat.S
index eba230c..0e5635a 100644
--- a/libc/arch-mips64/syscalls/fchownat.S
+++ b/libc/arch-mips64/syscalls/fchownat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchownat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fcntl.S b/libc/arch-mips64/syscalls/fcntl.S
index 1f54b0e..325d9fd 100644
--- a/libc/arch-mips64/syscalls/fcntl.S
+++ b/libc/arch-mips64/syscalls/fcntl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fcntl)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fdatasync.S b/libc/arch-mips64/syscalls/fdatasync.S
index ba1eccc..8a714c3 100644
--- a/libc/arch-mips64/syscalls/fdatasync.S
+++ b/libc/arch-mips64/syscalls/fdatasync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fdatasync)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fgetxattr.S b/libc/arch-mips64/syscalls/fgetxattr.S
index 5b9c8ed..87a21ce 100644
--- a/libc/arch-mips64/syscalls/fgetxattr.S
+++ b/libc/arch-mips64/syscalls/fgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fgetxattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/flistxattr.S b/libc/arch-mips64/syscalls/flistxattr.S
index c0bf93c..b430931 100644
--- a/libc/arch-mips64/syscalls/flistxattr.S
+++ b/libc/arch-mips64/syscalls/flistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flistxattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/flock.S b/libc/arch-mips64/syscalls/flock.S
index b63f6fc..bc4c835 100644
--- a/libc/arch-mips64/syscalls/flock.S
+++ b/libc/arch-mips64/syscalls/flock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flock)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fremovexattr.S b/libc/arch-mips64/syscalls/fremovexattr.S
index be20d00..4121223 100644
--- a/libc/arch-mips64/syscalls/fremovexattr.S
+++ b/libc/arch-mips64/syscalls/fremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fremovexattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fsetxattr.S b/libc/arch-mips64/syscalls/fsetxattr.S
index 92198ce..4180bd0 100644
--- a/libc/arch-mips64/syscalls/fsetxattr.S
+++ b/libc/arch-mips64/syscalls/fsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsetxattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fstat64.S b/libc/arch-mips64/syscalls/fstat64.S
index 078e3dd..03cbf69 100644
--- a/libc/arch-mips64/syscalls/fstat64.S
+++ b/libc/arch-mips64/syscalls/fstat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstat64)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fstatat64.S b/libc/arch-mips64/syscalls/fstatat64.S
index cc38de1..55ae243 100644
--- a/libc/arch-mips64/syscalls/fstatat64.S
+++ b/libc/arch-mips64/syscalls/fstatat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatat64)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fstatfs64.S b/libc/arch-mips64/syscalls/fstatfs64.S
index 3474bc2..5fb5d95 100644
--- a/libc/arch-mips64/syscalls/fstatfs64.S
+++ b/libc/arch-mips64/syscalls/fstatfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatfs64)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/fsync.S b/libc/arch-mips64/syscalls/fsync.S
index 3543fef..fa5de87 100644
--- a/libc/arch-mips64/syscalls/fsync.S
+++ b/libc/arch-mips64/syscalls/fsync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsync)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/ftruncate.S b/libc/arch-mips64/syscalls/ftruncate.S
index cd97b87..b605a37 100644
--- a/libc/arch-mips64/syscalls/ftruncate.S
+++ b/libc/arch-mips64/syscalls/ftruncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getegid.S b/libc/arch-mips64/syscalls/getegid.S
index d6b3d7f..7ef8fe3 100644
--- a/libc/arch-mips64/syscalls/getegid.S
+++ b/libc/arch-mips64/syscalls/getegid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getegid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/geteuid.S b/libc/arch-mips64/syscalls/geteuid.S
index a1d9713..c21f0ef 100644
--- a/libc/arch-mips64/syscalls/geteuid.S
+++ b/libc/arch-mips64/syscalls/geteuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(geteuid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getgid.S b/libc/arch-mips64/syscalls/getgid.S
index c89d709..bd690dc 100644
--- a/libc/arch-mips64/syscalls/getgid.S
+++ b/libc/arch-mips64/syscalls/getgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getgroups.S b/libc/arch-mips64/syscalls/getgroups.S
index 8d9cddb..d7aded7 100644
--- a/libc/arch-mips64/syscalls/getgroups.S
+++ b/libc/arch-mips64/syscalls/getgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgroups)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getitimer.S b/libc/arch-mips64/syscalls/getitimer.S
index 12dad03..a438faa 100644
--- a/libc/arch-mips64/syscalls/getitimer.S
+++ b/libc/arch-mips64/syscalls/getitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getitimer)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getpeername.S b/libc/arch-mips64/syscalls/getpeername.S
index 278428a..bf40141 100644
--- a/libc/arch-mips64/syscalls/getpeername.S
+++ b/libc/arch-mips64/syscalls/getpeername.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpeername)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getpgid.S b/libc/arch-mips64/syscalls/getpgid.S
index 56551ef..739a6e2 100644
--- a/libc/arch-mips64/syscalls/getpgid.S
+++ b/libc/arch-mips64/syscalls/getpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpgid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getppid.S b/libc/arch-mips64/syscalls/getppid.S
index 97066f8..e642a79 100644
--- a/libc/arch-mips64/syscalls/getppid.S
+++ b/libc/arch-mips64/syscalls/getppid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getppid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getresgid.S b/libc/arch-mips64/syscalls/getresgid.S
index f07fc11..d88516f 100644
--- a/libc/arch-mips64/syscalls/getresgid.S
+++ b/libc/arch-mips64/syscalls/getresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresgid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getresuid.S b/libc/arch-mips64/syscalls/getresuid.S
index 4f1ba86..b439211 100644
--- a/libc/arch-mips64/syscalls/getresuid.S
+++ b/libc/arch-mips64/syscalls/getresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresuid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getrlimit.S b/libc/arch-mips64/syscalls/getrlimit.S
index f825db9..423bc0f 100644
--- a/libc/arch-mips64/syscalls/getrlimit.S
+++ b/libc/arch-mips64/syscalls/getrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrlimit)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getrusage.S b/libc/arch-mips64/syscalls/getrusage.S
index 49f3c42..9f57b84 100644
--- a/libc/arch-mips64/syscalls/getrusage.S
+++ b/libc/arch-mips64/syscalls/getrusage.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrusage)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getsid.S b/libc/arch-mips64/syscalls/getsid.S
index 6fa362c..125da4e 100644
--- a/libc/arch-mips64/syscalls/getsid.S
+++ b/libc/arch-mips64/syscalls/getsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getsockname.S b/libc/arch-mips64/syscalls/getsockname.S
index 5e16aff..3481d65 100644
--- a/libc/arch-mips64/syscalls/getsockname.S
+++ b/libc/arch-mips64/syscalls/getsockname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockname)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getsockopt.S b/libc/arch-mips64/syscalls/getsockopt.S
index fab05b1..2e9b6d7 100644
--- a/libc/arch-mips64/syscalls/getsockopt.S
+++ b/libc/arch-mips64/syscalls/getsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockopt)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/gettimeofday.S b/libc/arch-mips64/syscalls/gettimeofday.S
index 07407a4..9bbbd28 100644
--- a/libc/arch-mips64/syscalls/gettimeofday.S
+++ b/libc/arch-mips64/syscalls/gettimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(gettimeofday)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getuid.S b/libc/arch-mips64/syscalls/getuid.S
index 87c16e1..4809a5a 100644
--- a/libc/arch-mips64/syscalls/getuid.S
+++ b/libc/arch-mips64/syscalls/getuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getuid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/getxattr.S b/libc/arch-mips64/syscalls/getxattr.S
index b42ca1e..7a7a4d4 100644
--- a/libc/arch-mips64/syscalls/getxattr.S
+++ b/libc/arch-mips64/syscalls/getxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getxattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/init_module.S b/libc/arch-mips64/syscalls/init_module.S
index 90fb6b1..e46dedc 100644
--- a/libc/arch-mips64/syscalls/init_module.S
+++ b/libc/arch-mips64/syscalls/init_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(init_module)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/inotify_add_watch.S b/libc/arch-mips64/syscalls/inotify_add_watch.S
index 17db414..4a4fe5f 100644
--- a/libc/arch-mips64/syscalls/inotify_add_watch.S
+++ b/libc/arch-mips64/syscalls/inotify_add_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_add_watch)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/inotify_init1.S b/libc/arch-mips64/syscalls/inotify_init1.S
index 356dd2d..6ef6021 100644
--- a/libc/arch-mips64/syscalls/inotify_init1.S
+++ b/libc/arch-mips64/syscalls/inotify_init1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_init1)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/inotify_rm_watch.S b/libc/arch-mips64/syscalls/inotify_rm_watch.S
index 4096ca3..10e239a 100644
--- a/libc/arch-mips64/syscalls/inotify_rm_watch.S
+++ b/libc/arch-mips64/syscalls/inotify_rm_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_rm_watch)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/kill.S b/libc/arch-mips64/syscalls/kill.S
index 2d8b452..f85a3ef 100644
--- a/libc/arch-mips64/syscalls/kill.S
+++ b/libc/arch-mips64/syscalls/kill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(kill)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/klogctl.S b/libc/arch-mips64/syscalls/klogctl.S
index 2f9ca6a..8e94b62 100644
--- a/libc/arch-mips64/syscalls/klogctl.S
+++ b/libc/arch-mips64/syscalls/klogctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(klogctl)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/lgetxattr.S b/libc/arch-mips64/syscalls/lgetxattr.S
index f8e57b3..c5990ab 100644
--- a/libc/arch-mips64/syscalls/lgetxattr.S
+++ b/libc/arch-mips64/syscalls/lgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lgetxattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/linkat.S b/libc/arch-mips64/syscalls/linkat.S
index a866fa6..88db867 100644
--- a/libc/arch-mips64/syscalls/linkat.S
+++ b/libc/arch-mips64/syscalls/linkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(linkat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/listen.S b/libc/arch-mips64/syscalls/listen.S
index 0768c72..4db8789 100644
--- a/libc/arch-mips64/syscalls/listen.S
+++ b/libc/arch-mips64/syscalls/listen.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listen)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/listxattr.S b/libc/arch-mips64/syscalls/listxattr.S
index f2c00f6..56b13f6 100644
--- a/libc/arch-mips64/syscalls/listxattr.S
+++ b/libc/arch-mips64/syscalls/listxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listxattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/llistxattr.S b/libc/arch-mips64/syscalls/llistxattr.S
index f324e2c..d800f7f 100644
--- a/libc/arch-mips64/syscalls/llistxattr.S
+++ b/libc/arch-mips64/syscalls/llistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(llistxattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/lremovexattr.S b/libc/arch-mips64/syscalls/lremovexattr.S
index e44c9d0..e05733f 100644
--- a/libc/arch-mips64/syscalls/lremovexattr.S
+++ b/libc/arch-mips64/syscalls/lremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lremovexattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/lseek.S b/libc/arch-mips64/syscalls/lseek.S
index 2858aa8..34533cf 100644
--- a/libc/arch-mips64/syscalls/lseek.S
+++ b/libc/arch-mips64/syscalls/lseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lseek)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/lsetxattr.S b/libc/arch-mips64/syscalls/lsetxattr.S
index ed1b4df..dea6add 100644
--- a/libc/arch-mips64/syscalls/lsetxattr.S
+++ b/libc/arch-mips64/syscalls/lsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lsetxattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/madvise.S b/libc/arch-mips64/syscalls/madvise.S
index fe6a828..ab174e9 100644
--- a/libc/arch-mips64/syscalls/madvise.S
+++ b/libc/arch-mips64/syscalls/madvise.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(madvise)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/mincore.S b/libc/arch-mips64/syscalls/mincore.S
index 1e0b544..349d2f6 100644
--- a/libc/arch-mips64/syscalls/mincore.S
+++ b/libc/arch-mips64/syscalls/mincore.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mincore)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/mkdirat.S b/libc/arch-mips64/syscalls/mkdirat.S
index b1c94e1..b395ba4 100644
--- a/libc/arch-mips64/syscalls/mkdirat.S
+++ b/libc/arch-mips64/syscalls/mkdirat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mkdirat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/mknodat.S b/libc/arch-mips64/syscalls/mknodat.S
index edbd3b6..c13d979 100644
--- a/libc/arch-mips64/syscalls/mknodat.S
+++ b/libc/arch-mips64/syscalls/mknodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mknodat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/mlock.S b/libc/arch-mips64/syscalls/mlock.S
index ae599cd..82338f3 100644
--- a/libc/arch-mips64/syscalls/mlock.S
+++ b/libc/arch-mips64/syscalls/mlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlock)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/mlockall.S b/libc/arch-mips64/syscalls/mlockall.S
index b214758..b34cf81 100644
--- a/libc/arch-mips64/syscalls/mlockall.S
+++ b/libc/arch-mips64/syscalls/mlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlockall)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/mmap.S b/libc/arch-mips64/syscalls/mmap.S
index ba6d4fa..814b745 100644
--- a/libc/arch-mips64/syscalls/mmap.S
+++ b/libc/arch-mips64/syscalls/mmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mmap)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/mount.S b/libc/arch-mips64/syscalls/mount.S
index 71e08a7..3f42df5 100644
--- a/libc/arch-mips64/syscalls/mount.S
+++ b/libc/arch-mips64/syscalls/mount.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mount)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/mprotect.S b/libc/arch-mips64/syscalls/mprotect.S
index 66ffa1a..adf9a67 100644
--- a/libc/arch-mips64/syscalls/mprotect.S
+++ b/libc/arch-mips64/syscalls/mprotect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mprotect)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/mremap.S b/libc/arch-mips64/syscalls/mremap.S
index c73320f..70c8a8c 100644
--- a/libc/arch-mips64/syscalls/mremap.S
+++ b/libc/arch-mips64/syscalls/mremap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mremap)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/msync.S b/libc/arch-mips64/syscalls/msync.S
index a97cba8..dced6e7 100644
--- a/libc/arch-mips64/syscalls/msync.S
+++ b/libc/arch-mips64/syscalls/msync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(msync)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/munlock.S b/libc/arch-mips64/syscalls/munlock.S
index f5919ae..075c061 100644
--- a/libc/arch-mips64/syscalls/munlock.S
+++ b/libc/arch-mips64/syscalls/munlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlock)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/munlockall.S b/libc/arch-mips64/syscalls/munlockall.S
index 39e717c..10ff274 100644
--- a/libc/arch-mips64/syscalls/munlockall.S
+++ b/libc/arch-mips64/syscalls/munlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlockall)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/munmap.S b/libc/arch-mips64/syscalls/munmap.S
index c1c9b01..5d0b0b0 100644
--- a/libc/arch-mips64/syscalls/munmap.S
+++ b/libc/arch-mips64/syscalls/munmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munmap)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/nanosleep.S b/libc/arch-mips64/syscalls/nanosleep.S
index 6bfd73e..a0c7d36 100644
--- a/libc/arch-mips64/syscalls/nanosleep.S
+++ b/libc/arch-mips64/syscalls/nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(nanosleep)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/personality.S b/libc/arch-mips64/syscalls/personality.S
index e234636..326cf24 100644
--- a/libc/arch-mips64/syscalls/personality.S
+++ b/libc/arch-mips64/syscalls/personality.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(personality)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/pipe2.S b/libc/arch-mips64/syscalls/pipe2.S
index 52d5baa..8e207ac 100644
--- a/libc/arch-mips64/syscalls/pipe2.S
+++ b/libc/arch-mips64/syscalls/pipe2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pipe2)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/prctl.S b/libc/arch-mips64/syscalls/prctl.S
index 01d422e..9e805f4 100644
--- a/libc/arch-mips64/syscalls/prctl.S
+++ b/libc/arch-mips64/syscalls/prctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prctl)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/pread64.S b/libc/arch-mips64/syscalls/pread64.S
index 5ab8389..3aa0620 100644
--- a/libc/arch-mips64/syscalls/pread64.S
+++ b/libc/arch-mips64/syscalls/pread64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pread64)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/prlimit64.S b/libc/arch-mips64/syscalls/prlimit64.S
index e52ca92..f767ac1 100644
--- a/libc/arch-mips64/syscalls/prlimit64.S
+++ b/libc/arch-mips64/syscalls/prlimit64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prlimit64)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/pwrite64.S b/libc/arch-mips64/syscalls/pwrite64.S
index 8d7a8b5..8b3bcc0 100644
--- a/libc/arch-mips64/syscalls/pwrite64.S
+++ b/libc/arch-mips64/syscalls/pwrite64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pwrite64)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/read.S b/libc/arch-mips64/syscalls/read.S
index 3f805ca..ab687d1 100644
--- a/libc/arch-mips64/syscalls/read.S
+++ b/libc/arch-mips64/syscalls/read.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(read)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/readahead.S b/libc/arch-mips64/syscalls/readahead.S
index 8f5c8c6..1d9b15b 100644
--- a/libc/arch-mips64/syscalls/readahead.S
+++ b/libc/arch-mips64/syscalls/readahead.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readahead)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/readlinkat.S b/libc/arch-mips64/syscalls/readlinkat.S
index 1381c22..24da46b 100644
--- a/libc/arch-mips64/syscalls/readlinkat.S
+++ b/libc/arch-mips64/syscalls/readlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readlinkat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/readv.S b/libc/arch-mips64/syscalls/readv.S
index 9c7afd5..6aca131 100644
--- a/libc/arch-mips64/syscalls/readv.S
+++ b/libc/arch-mips64/syscalls/readv.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readv)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/recvfrom.S b/libc/arch-mips64/syscalls/recvfrom.S
index d3911c6..b9fb037 100644
--- a/libc/arch-mips64/syscalls/recvfrom.S
+++ b/libc/arch-mips64/syscalls/recvfrom.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvfrom)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/recvmmsg.S b/libc/arch-mips64/syscalls/recvmmsg.S
index fa9fbb2..b187cf0 100644
--- a/libc/arch-mips64/syscalls/recvmmsg.S
+++ b/libc/arch-mips64/syscalls/recvmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmmsg)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/recvmsg.S b/libc/arch-mips64/syscalls/recvmsg.S
index 21ec51d..49dbb48 100644
--- a/libc/arch-mips64/syscalls/recvmsg.S
+++ b/libc/arch-mips64/syscalls/recvmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmsg)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/removexattr.S b/libc/arch-mips64/syscalls/removexattr.S
index ea31771..61d6da1 100644
--- a/libc/arch-mips64/syscalls/removexattr.S
+++ b/libc/arch-mips64/syscalls/removexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(removexattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/renameat.S b/libc/arch-mips64/syscalls/renameat.S
index 074a6a4..f012fad 100644
--- a/libc/arch-mips64/syscalls/renameat.S
+++ b/libc/arch-mips64/syscalls/renameat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(renameat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sched_get_priority_max.S b/libc/arch-mips64/syscalls/sched_get_priority_max.S
index 1b67bbf..264545b 100644
--- a/libc/arch-mips64/syscalls/sched_get_priority_max.S
+++ b/libc/arch-mips64/syscalls/sched_get_priority_max.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_max)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sched_get_priority_min.S b/libc/arch-mips64/syscalls/sched_get_priority_min.S
index 2d68752..4984abf 100644
--- a/libc/arch-mips64/syscalls/sched_get_priority_min.S
+++ b/libc/arch-mips64/syscalls/sched_get_priority_min.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_min)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sched_getparam.S b/libc/arch-mips64/syscalls/sched_getparam.S
index d0b2069..2837fc8 100644
--- a/libc/arch-mips64/syscalls/sched_getparam.S
+++ b/libc/arch-mips64/syscalls/sched_getparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getparam)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sched_getscheduler.S b/libc/arch-mips64/syscalls/sched_getscheduler.S
index f25bde5..3f8dbe3 100644
--- a/libc/arch-mips64/syscalls/sched_getscheduler.S
+++ b/libc/arch-mips64/syscalls/sched_getscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getscheduler)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sched_rr_get_interval.S b/libc/arch-mips64/syscalls/sched_rr_get_interval.S
index 48233f8..80ea18e 100644
--- a/libc/arch-mips64/syscalls/sched_rr_get_interval.S
+++ b/libc/arch-mips64/syscalls/sched_rr_get_interval.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_rr_get_interval)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sched_setaffinity.S b/libc/arch-mips64/syscalls/sched_setaffinity.S
index e604863..843e06f 100644
--- a/libc/arch-mips64/syscalls/sched_setaffinity.S
+++ b/libc/arch-mips64/syscalls/sched_setaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setaffinity)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sched_setparam.S b/libc/arch-mips64/syscalls/sched_setparam.S
index b02439f..78435b1 100644
--- a/libc/arch-mips64/syscalls/sched_setparam.S
+++ b/libc/arch-mips64/syscalls/sched_setparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setparam)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sched_setscheduler.S b/libc/arch-mips64/syscalls/sched_setscheduler.S
index dda1ce5..7f78cc7 100644
--- a/libc/arch-mips64/syscalls/sched_setscheduler.S
+++ b/libc/arch-mips64/syscalls/sched_setscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setscheduler)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sched_yield.S b/libc/arch-mips64/syscalls/sched_yield.S
index 509b029..f81b7ef 100644
--- a/libc/arch-mips64/syscalls/sched_yield.S
+++ b/libc/arch-mips64/syscalls/sched_yield.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_yield)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sendfile.S b/libc/arch-mips64/syscalls/sendfile.S
index 684a83a..c3e80de 100644
--- a/libc/arch-mips64/syscalls/sendfile.S
+++ b/libc/arch-mips64/syscalls/sendfile.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sendmmsg.S b/libc/arch-mips64/syscalls/sendmmsg.S
index e4d8019..40efcb6 100644
--- a/libc/arch-mips64/syscalls/sendmmsg.S
+++ b/libc/arch-mips64/syscalls/sendmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmmsg)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sendmsg.S b/libc/arch-mips64/syscalls/sendmsg.S
index 6983f9a..9f90717 100644
--- a/libc/arch-mips64/syscalls/sendmsg.S
+++ b/libc/arch-mips64/syscalls/sendmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmsg)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sendto.S b/libc/arch-mips64/syscalls/sendto.S
index cfe774d..3ebfbae 100644
--- a/libc/arch-mips64/syscalls/sendto.S
+++ b/libc/arch-mips64/syscalls/sendto.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendto)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setfsgid.S b/libc/arch-mips64/syscalls/setfsgid.S
index 7f75ed9..9b36038 100644
--- a/libc/arch-mips64/syscalls/setfsgid.S
+++ b/libc/arch-mips64/syscalls/setfsgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsgid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setfsuid.S b/libc/arch-mips64/syscalls/setfsuid.S
index 4cab9d4..e42601f 100644
--- a/libc/arch-mips64/syscalls/setfsuid.S
+++ b/libc/arch-mips64/syscalls/setfsuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsuid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setgid.S b/libc/arch-mips64/syscalls/setgid.S
index cc8d3ab..7ce8599 100644
--- a/libc/arch-mips64/syscalls/setgid.S
+++ b/libc/arch-mips64/syscalls/setgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setgroups.S b/libc/arch-mips64/syscalls/setgroups.S
index 63f2329..2724068 100644
--- a/libc/arch-mips64/syscalls/setgroups.S
+++ b/libc/arch-mips64/syscalls/setgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgroups)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setitimer.S b/libc/arch-mips64/syscalls/setitimer.S
index 9ee02dc..f5dcff0 100644
--- a/libc/arch-mips64/syscalls/setitimer.S
+++ b/libc/arch-mips64/syscalls/setitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setitimer)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setns.S b/libc/arch-mips64/syscalls/setns.S
index 191a1a0..cbe2e06 100644
--- a/libc/arch-mips64/syscalls/setns.S
+++ b/libc/arch-mips64/syscalls/setns.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setns)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setpgid.S b/libc/arch-mips64/syscalls/setpgid.S
index 8972160..da44532 100644
--- a/libc/arch-mips64/syscalls/setpgid.S
+++ b/libc/arch-mips64/syscalls/setpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpgid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setpriority.S b/libc/arch-mips64/syscalls/setpriority.S
index dce3a76..150a5d4 100644
--- a/libc/arch-mips64/syscalls/setpriority.S
+++ b/libc/arch-mips64/syscalls/setpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpriority)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setregid.S b/libc/arch-mips64/syscalls/setregid.S
index d677b32..b80115c 100644
--- a/libc/arch-mips64/syscalls/setregid.S
+++ b/libc/arch-mips64/syscalls/setregid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setregid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setresgid.S b/libc/arch-mips64/syscalls/setresgid.S
index 312eb3a..0fbf302 100644
--- a/libc/arch-mips64/syscalls/setresgid.S
+++ b/libc/arch-mips64/syscalls/setresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresgid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setresuid.S b/libc/arch-mips64/syscalls/setresuid.S
index 4da79d0..89af745 100644
--- a/libc/arch-mips64/syscalls/setresuid.S
+++ b/libc/arch-mips64/syscalls/setresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresuid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setreuid.S b/libc/arch-mips64/syscalls/setreuid.S
index 33f6fce..797091f 100644
--- a/libc/arch-mips64/syscalls/setreuid.S
+++ b/libc/arch-mips64/syscalls/setreuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setreuid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setrlimit.S b/libc/arch-mips64/syscalls/setrlimit.S
index 3060298..034f3db 100644
--- a/libc/arch-mips64/syscalls/setrlimit.S
+++ b/libc/arch-mips64/syscalls/setrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setrlimit)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setsid.S b/libc/arch-mips64/syscalls/setsid.S
index c8d1ad5..ef14eba 100644
--- a/libc/arch-mips64/syscalls/setsid.S
+++ b/libc/arch-mips64/syscalls/setsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setsockopt.S b/libc/arch-mips64/syscalls/setsockopt.S
index b40aad1..5c263bd 100644
--- a/libc/arch-mips64/syscalls/setsockopt.S
+++ b/libc/arch-mips64/syscalls/setsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsockopt)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/settimeofday.S b/libc/arch-mips64/syscalls/settimeofday.S
index 2e333f8..a73638f 100644
--- a/libc/arch-mips64/syscalls/settimeofday.S
+++ b/libc/arch-mips64/syscalls/settimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(settimeofday)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setuid.S b/libc/arch-mips64/syscalls/setuid.S
index fb8125e..4321fae 100644
--- a/libc/arch-mips64/syscalls/setuid.S
+++ b/libc/arch-mips64/syscalls/setuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setuid)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/setxattr.S b/libc/arch-mips64/syscalls/setxattr.S
index 04e746d..58ccb5f 100644
--- a/libc/arch-mips64/syscalls/setxattr.S
+++ b/libc/arch-mips64/syscalls/setxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setxattr)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/shutdown.S b/libc/arch-mips64/syscalls/shutdown.S
index 59f437a..cdd6c78 100644
--- a/libc/arch-mips64/syscalls/shutdown.S
+++ b/libc/arch-mips64/syscalls/shutdown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(shutdown)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sigaltstack.S b/libc/arch-mips64/syscalls/sigaltstack.S
index 0fbd3a1..a2e663c 100644
--- a/libc/arch-mips64/syscalls/sigaltstack.S
+++ b/libc/arch-mips64/syscalls/sigaltstack.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sigaltstack)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/socketpair.S b/libc/arch-mips64/syscalls/socketpair.S
index fa684d1..7be7814 100644
--- a/libc/arch-mips64/syscalls/socketpair.S
+++ b/libc/arch-mips64/syscalls/socketpair.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(socketpair)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/splice.S b/libc/arch-mips64/syscalls/splice.S
index d626904..efee6cd 100644
--- a/libc/arch-mips64/syscalls/splice.S
+++ b/libc/arch-mips64/syscalls/splice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(splice)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/statfs64.S b/libc/arch-mips64/syscalls/statfs64.S
index e835e41..d377522 100644
--- a/libc/arch-mips64/syscalls/statfs64.S
+++ b/libc/arch-mips64/syscalls/statfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(statfs64)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/swapoff.S b/libc/arch-mips64/syscalls/swapoff.S
index dfaf185..b257b1e 100644
--- a/libc/arch-mips64/syscalls/swapoff.S
+++ b/libc/arch-mips64/syscalls/swapoff.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapoff)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/swapon.S b/libc/arch-mips64/syscalls/swapon.S
index 8e844c4..e18ff4c 100644
--- a/libc/arch-mips64/syscalls/swapon.S
+++ b/libc/arch-mips64/syscalls/swapon.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapon)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/symlinkat.S b/libc/arch-mips64/syscalls/symlinkat.S
index e43d597..560bf0d 100644
--- a/libc/arch-mips64/syscalls/symlinkat.S
+++ b/libc/arch-mips64/syscalls/symlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(symlinkat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sync.S b/libc/arch-mips64/syscalls/sync.S
index ec342a3..240a6d4 100644
--- a/libc/arch-mips64/syscalls/sync.S
+++ b/libc/arch-mips64/syscalls/sync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sync)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/sysinfo.S b/libc/arch-mips64/syscalls/sysinfo.S
index 16486fd..6b07be3 100644
--- a/libc/arch-mips64/syscalls/sysinfo.S
+++ b/libc/arch-mips64/syscalls/sysinfo.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sysinfo)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/tee.S b/libc/arch-mips64/syscalls/tee.S
index 429700c..0115f71 100644
--- a/libc/arch-mips64/syscalls/tee.S
+++ b/libc/arch-mips64/syscalls/tee.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tee)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/tgkill.S b/libc/arch-mips64/syscalls/tgkill.S
index d98d9ae..bf30a8d 100644
--- a/libc/arch-mips64/syscalls/tgkill.S
+++ b/libc/arch-mips64/syscalls/tgkill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tgkill)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/timerfd_create.S b/libc/arch-mips64/syscalls/timerfd_create.S
index ab8e9e0..e65874f 100644
--- a/libc/arch-mips64/syscalls/timerfd_create.S
+++ b/libc/arch-mips64/syscalls/timerfd_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_create)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/timerfd_gettime.S b/libc/arch-mips64/syscalls/timerfd_gettime.S
index 2ec7b9c..a843598 100644
--- a/libc/arch-mips64/syscalls/timerfd_gettime.S
+++ b/libc/arch-mips64/syscalls/timerfd_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_gettime)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/timerfd_settime.S b/libc/arch-mips64/syscalls/timerfd_settime.S
index 0aec09f..8c5994f 100644
--- a/libc/arch-mips64/syscalls/timerfd_settime.S
+++ b/libc/arch-mips64/syscalls/timerfd_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_settime)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/times.S b/libc/arch-mips64/syscalls/times.S
index 2457e0c..ff504e7 100644
--- a/libc/arch-mips64/syscalls/times.S
+++ b/libc/arch-mips64/syscalls/times.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(times)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/truncate.S b/libc/arch-mips64/syscalls/truncate.S
index a0cbe51..3fc06a2 100644
--- a/libc/arch-mips64/syscalls/truncate.S
+++ b/libc/arch-mips64/syscalls/truncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/umask.S b/libc/arch-mips64/syscalls/umask.S
index 33624d2..9e6c910 100644
--- a/libc/arch-mips64/syscalls/umask.S
+++ b/libc/arch-mips64/syscalls/umask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umask)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/umount2.S b/libc/arch-mips64/syscalls/umount2.S
index 6193459..f8d1996 100644
--- a/libc/arch-mips64/syscalls/umount2.S
+++ b/libc/arch-mips64/syscalls/umount2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umount2)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/uname.S b/libc/arch-mips64/syscalls/uname.S
index df50f45..ce93f08 100644
--- a/libc/arch-mips64/syscalls/uname.S
+++ b/libc/arch-mips64/syscalls/uname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(uname)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/unlinkat.S b/libc/arch-mips64/syscalls/unlinkat.S
index 29d4442..870e8d7 100644
--- a/libc/arch-mips64/syscalls/unlinkat.S
+++ b/libc/arch-mips64/syscalls/unlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unlinkat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/unshare.S b/libc/arch-mips64/syscalls/unshare.S
index 6d8fbf3..231c29a 100644
--- a/libc/arch-mips64/syscalls/unshare.S
+++ b/libc/arch-mips64/syscalls/unshare.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unshare)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/utimensat.S b/libc/arch-mips64/syscalls/utimensat.S
index 654b8a4..4b4243e 100644
--- a/libc/arch-mips64/syscalls/utimensat.S
+++ b/libc/arch-mips64/syscalls/utimensat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(utimensat)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/vmsplice.S b/libc/arch-mips64/syscalls/vmsplice.S
index aa03585..f854004 100644
--- a/libc/arch-mips64/syscalls/vmsplice.S
+++ b/libc/arch-mips64/syscalls/vmsplice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(vmsplice)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/wait4.S b/libc/arch-mips64/syscalls/wait4.S
index e3755b5..2d2b487 100644
--- a/libc/arch-mips64/syscalls/wait4.S
+++ b/libc/arch-mips64/syscalls/wait4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(wait4)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/write.S b/libc/arch-mips64/syscalls/write.S
index ce7f702..f603fb5 100644
--- a/libc/arch-mips64/syscalls/write.S
+++ b/libc/arch-mips64/syscalls/write.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(write)
     .set push
     .set noreorder
diff --git a/libc/arch-mips64/syscalls/writev.S b/libc/arch-mips64/syscalls/writev.S
index e2c7875..032e749 100644
--- a/libc/arch-mips64/syscalls/writev.S
+++ b/libc/arch-mips64/syscalls/writev.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(writev)
     .set push
     .set noreorder
diff --git a/libc/arch-x86/syscalls/__accept4.S b/libc/arch-x86/syscalls/__accept4.S
index 2d9cc42..c28f211 100644
--- a/libc/arch-x86/syscalls/__accept4.S
+++ b/libc/arch-x86/syscalls/__accept4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__accept4)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__brk.S b/libc/arch-x86/syscalls/__brk.S
index 632dfcf..c5702cf 100644
--- a/libc/arch-x86/syscalls/__brk.S
+++ b/libc/arch-x86/syscalls/__brk.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__brk)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__connect.S b/libc/arch-x86/syscalls/__connect.S
index 5ee4fbf..4f845b7 100644
--- a/libc/arch-x86/syscalls/__connect.S
+++ b/libc/arch-x86/syscalls/__connect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__connect)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__epoll_pwait.S b/libc/arch-x86/syscalls/__epoll_pwait.S
index 641ca6d..c7acb2b 100644
--- a/libc/arch-x86/syscalls/__epoll_pwait.S
+++ b/libc/arch-x86/syscalls/__epoll_pwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__epoll_pwait)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__exit.S b/libc/arch-x86/syscalls/__exit.S
index 8578f56..bf76e04 100644
--- a/libc/arch-x86/syscalls/__exit.S
+++ b/libc/arch-x86/syscalls/__exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__exit)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__fcntl64.S b/libc/arch-x86/syscalls/__fcntl64.S
index ef58d15..7c41c88 100644
--- a/libc/arch-x86/syscalls/__fcntl64.S
+++ b/libc/arch-x86/syscalls/__fcntl64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__fcntl64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__fstatfs64.S b/libc/arch-x86/syscalls/__fstatfs64.S
index 0ca3360..b182ae3 100644
--- a/libc/arch-x86/syscalls/__fstatfs64.S
+++ b/libc/arch-x86/syscalls/__fstatfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__fstatfs64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__getcpu.S b/libc/arch-x86/syscalls/__getcpu.S
index b181877..4cdbafa 100644
--- a/libc/arch-x86/syscalls/__getcpu.S
+++ b/libc/arch-x86/syscalls/__getcpu.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcpu)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__getcwd.S b/libc/arch-x86/syscalls/__getcwd.S
index b71ba0d..f5b9b9c 100644
--- a/libc/arch-x86/syscalls/__getcwd.S
+++ b/libc/arch-x86/syscalls/__getcwd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcwd)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__getdents64.S b/libc/arch-x86/syscalls/__getdents64.S
index 3fc8719..0ff217d 100644
--- a/libc/arch-x86/syscalls/__getdents64.S
+++ b/libc/arch-x86/syscalls/__getdents64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getdents64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__getpid.S b/libc/arch-x86/syscalls/__getpid.S
index f138d2f..6a3602e 100644
--- a/libc/arch-x86/syscalls/__getpid.S
+++ b/libc/arch-x86/syscalls/__getpid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpid)
     movl    $__NR_getpid, %eax
     int     $0x80
diff --git a/libc/arch-x86/syscalls/__getpriority.S b/libc/arch-x86/syscalls/__getpriority.S
index 103431d..6a94f43 100644
--- a/libc/arch-x86/syscalls/__getpriority.S
+++ b/libc/arch-x86/syscalls/__getpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpriority)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__ioctl.S b/libc/arch-x86/syscalls/__ioctl.S
index 99d2d2c..edb990a 100644
--- a/libc/arch-x86/syscalls/__ioctl.S
+++ b/libc/arch-x86/syscalls/__ioctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ioctl)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__llseek.S b/libc/arch-x86/syscalls/__llseek.S
index 0cdb98a..db39106 100644
--- a/libc/arch-x86/syscalls/__llseek.S
+++ b/libc/arch-x86/syscalls/__llseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__llseek)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__mmap2.S b/libc/arch-x86/syscalls/__mmap2.S
index 47131ef..5c8f2a3 100644
--- a/libc/arch-x86/syscalls/__mmap2.S
+++ b/libc/arch-x86/syscalls/__mmap2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__mmap2)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__openat.S b/libc/arch-x86/syscalls/__openat.S
index aec10e5..87687e5 100644
--- a/libc/arch-x86/syscalls/__openat.S
+++ b/libc/arch-x86/syscalls/__openat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__openat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__ppoll.S b/libc/arch-x86/syscalls/__ppoll.S
index 92197b7..e48f841 100644
--- a/libc/arch-x86/syscalls/__ppoll.S
+++ b/libc/arch-x86/syscalls/__ppoll.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ppoll)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__pselect6.S b/libc/arch-x86/syscalls/__pselect6.S
index 38402f0..53edb8c 100644
--- a/libc/arch-x86/syscalls/__pselect6.S
+++ b/libc/arch-x86/syscalls/__pselect6.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__pselect6)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__ptrace.S b/libc/arch-x86/syscalls/__ptrace.S
index cea5847..9d1e460 100644
--- a/libc/arch-x86/syscalls/__ptrace.S
+++ b/libc/arch-x86/syscalls/__ptrace.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ptrace)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__reboot.S b/libc/arch-x86/syscalls/__reboot.S
index 4546994..3ef78bb 100644
--- a/libc/arch-x86/syscalls/__reboot.S
+++ b/libc/arch-x86/syscalls/__reboot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__reboot)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__rt_sigaction.S b/libc/arch-x86/syscalls/__rt_sigaction.S
index bfbe5ba..1ce7ef9 100644
--- a/libc/arch-x86/syscalls/__rt_sigaction.S
+++ b/libc/arch-x86/syscalls/__rt_sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigaction)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__rt_sigpending.S b/libc/arch-x86/syscalls/__rt_sigpending.S
index dac478a..a4cb3c1 100644
--- a/libc/arch-x86/syscalls/__rt_sigpending.S
+++ b/libc/arch-x86/syscalls/__rt_sigpending.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigpending)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__rt_sigprocmask.S b/libc/arch-x86/syscalls/__rt_sigprocmask.S
index f112360..9d8e90d 100644
--- a/libc/arch-x86/syscalls/__rt_sigprocmask.S
+++ b/libc/arch-x86/syscalls/__rt_sigprocmask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigprocmask)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__rt_sigsuspend.S b/libc/arch-x86/syscalls/__rt_sigsuspend.S
index ef505c0..e0d0c3d 100644
--- a/libc/arch-x86/syscalls/__rt_sigsuspend.S
+++ b/libc/arch-x86/syscalls/__rt_sigsuspend.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigsuspend)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__rt_sigtimedwait.S b/libc/arch-x86/syscalls/__rt_sigtimedwait.S
index d19c7db..091c1a7 100644
--- a/libc/arch-x86/syscalls/__rt_sigtimedwait.S
+++ b/libc/arch-x86/syscalls/__rt_sigtimedwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigtimedwait)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__sched_getaffinity.S b/libc/arch-x86/syscalls/__sched_getaffinity.S
index e7cb8f1..2c278db 100644
--- a/libc/arch-x86/syscalls/__sched_getaffinity.S
+++ b/libc/arch-x86/syscalls/__sched_getaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sched_getaffinity)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__set_thread_area.S b/libc/arch-x86/syscalls/__set_thread_area.S
index dda23a0..29e1238 100644
--- a/libc/arch-x86/syscalls/__set_thread_area.S
+++ b/libc/arch-x86/syscalls/__set_thread_area.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_thread_area)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__set_tid_address.S b/libc/arch-x86/syscalls/__set_tid_address.S
index 1566d9a..3517442 100644
--- a/libc/arch-x86/syscalls/__set_tid_address.S
+++ b/libc/arch-x86/syscalls/__set_tid_address.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tid_address)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__sigaction.S b/libc/arch-x86/syscalls/__sigaction.S
index f1a51d2..0a3e77e 100644
--- a/libc/arch-x86/syscalls/__sigaction.S
+++ b/libc/arch-x86/syscalls/__sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sigaction)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__signalfd4.S b/libc/arch-x86/syscalls/__signalfd4.S
index 335e206..acfced5 100644
--- a/libc/arch-x86/syscalls/__signalfd4.S
+++ b/libc/arch-x86/syscalls/__signalfd4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__signalfd4)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__socket.S b/libc/arch-x86/syscalls/__socket.S
index 368680f..59988f3 100644
--- a/libc/arch-x86/syscalls/__socket.S
+++ b/libc/arch-x86/syscalls/__socket.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__socket)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__statfs64.S b/libc/arch-x86/syscalls/__statfs64.S
index 6bb9d99..63d866e 100644
--- a/libc/arch-x86/syscalls/__statfs64.S
+++ b/libc/arch-x86/syscalls/__statfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__statfs64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__timer_create.S b/libc/arch-x86/syscalls/__timer_create.S
index 3d28ae9..1265aa6 100644
--- a/libc/arch-x86/syscalls/__timer_create.S
+++ b/libc/arch-x86/syscalls/__timer_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_create)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__timer_delete.S b/libc/arch-x86/syscalls/__timer_delete.S
index 7d64d6d..bc1fbc5 100644
--- a/libc/arch-x86/syscalls/__timer_delete.S
+++ b/libc/arch-x86/syscalls/__timer_delete.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_delete)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__timer_getoverrun.S b/libc/arch-x86/syscalls/__timer_getoverrun.S
index cb37765..2a8de1e 100644
--- a/libc/arch-x86/syscalls/__timer_getoverrun.S
+++ b/libc/arch-x86/syscalls/__timer_getoverrun.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_getoverrun)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__timer_gettime.S b/libc/arch-x86/syscalls/__timer_gettime.S
index 5c43f4a..9edd15a 100644
--- a/libc/arch-x86/syscalls/__timer_gettime.S
+++ b/libc/arch-x86/syscalls/__timer_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_gettime)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__timer_settime.S b/libc/arch-x86/syscalls/__timer_settime.S
index da7c587..4bb0790 100644
--- a/libc/arch-x86/syscalls/__timer_settime.S
+++ b/libc/arch-x86/syscalls/__timer_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_settime)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/__waitid.S b/libc/arch-x86/syscalls/__waitid.S
index 7e3ecdd..331baf5 100644
--- a/libc/arch-x86/syscalls/__waitid.S
+++ b/libc/arch-x86/syscalls/__waitid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__waitid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/_exit.S b/libc/arch-x86/syscalls/_exit.S
index 36e884a..0da6e79 100644
--- a/libc/arch-x86/syscalls/_exit.S
+++ b/libc/arch-x86/syscalls/_exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(_exit)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/acct.S b/libc/arch-x86/syscalls/acct.S
index a036114..34a23a4 100644
--- a/libc/arch-x86/syscalls/acct.S
+++ b/libc/arch-x86/syscalls/acct.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(acct)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/bind.S b/libc/arch-x86/syscalls/bind.S
index ab5a29e..1d45319 100644
--- a/libc/arch-x86/syscalls/bind.S
+++ b/libc/arch-x86/syscalls/bind.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(bind)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/capget.S b/libc/arch-x86/syscalls/capget.S
index 5441e49..82b5b73 100644
--- a/libc/arch-x86/syscalls/capget.S
+++ b/libc/arch-x86/syscalls/capget.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capget)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/capset.S b/libc/arch-x86/syscalls/capset.S
index d04e411..79e8747 100644
--- a/libc/arch-x86/syscalls/capset.S
+++ b/libc/arch-x86/syscalls/capset.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capset)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/chdir.S b/libc/arch-x86/syscalls/chdir.S
index d32a0bd..98bdf37 100644
--- a/libc/arch-x86/syscalls/chdir.S
+++ b/libc/arch-x86/syscalls/chdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chdir)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/chroot.S b/libc/arch-x86/syscalls/chroot.S
index 63d7e00..978eec7 100644
--- a/libc/arch-x86/syscalls/chroot.S
+++ b/libc/arch-x86/syscalls/chroot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chroot)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/clock_getres.S b/libc/arch-x86/syscalls/clock_getres.S
index 321299c..c93a279 100644
--- a/libc/arch-x86/syscalls/clock_getres.S
+++ b/libc/arch-x86/syscalls/clock_getres.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_getres)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/clock_gettime.S b/libc/arch-x86/syscalls/clock_gettime.S
index 54f769a..9c5c240 100644
--- a/libc/arch-x86/syscalls/clock_gettime.S
+++ b/libc/arch-x86/syscalls/clock_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_gettime)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/clock_nanosleep.S b/libc/arch-x86/syscalls/clock_nanosleep.S
index ca961c0..edadec2 100644
--- a/libc/arch-x86/syscalls/clock_nanosleep.S
+++ b/libc/arch-x86/syscalls/clock_nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_nanosleep)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/clock_settime.S b/libc/arch-x86/syscalls/clock_settime.S
index ab8c43e..41012d0 100644
--- a/libc/arch-x86/syscalls/clock_settime.S
+++ b/libc/arch-x86/syscalls/clock_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_settime)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/close.S b/libc/arch-x86/syscalls/close.S
index 0b3e73a..b73c4b4 100644
--- a/libc/arch-x86/syscalls/close.S
+++ b/libc/arch-x86/syscalls/close.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(close)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/delete_module.S b/libc/arch-x86/syscalls/delete_module.S
index 757c8c1..73a5128 100644
--- a/libc/arch-x86/syscalls/delete_module.S
+++ b/libc/arch-x86/syscalls/delete_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(delete_module)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/dup.S b/libc/arch-x86/syscalls/dup.S
index 64e1538..f8e8772 100644
--- a/libc/arch-x86/syscalls/dup.S
+++ b/libc/arch-x86/syscalls/dup.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/dup3.S b/libc/arch-x86/syscalls/dup3.S
index a0ecd19..1203e64 100644
--- a/libc/arch-x86/syscalls/dup3.S
+++ b/libc/arch-x86/syscalls/dup3.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup3)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/epoll_create1.S b/libc/arch-x86/syscalls/epoll_create1.S
index 5b6a1ba..6384b92 100644
--- a/libc/arch-x86/syscalls/epoll_create1.S
+++ b/libc/arch-x86/syscalls/epoll_create1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_create1)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/epoll_ctl.S b/libc/arch-x86/syscalls/epoll_ctl.S
index 3fd8acd..cdc880e 100644
--- a/libc/arch-x86/syscalls/epoll_ctl.S
+++ b/libc/arch-x86/syscalls/epoll_ctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_ctl)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/eventfd.S b/libc/arch-x86/syscalls/eventfd.S
index 55c5e6a..fe85967 100644
--- a/libc/arch-x86/syscalls/eventfd.S
+++ b/libc/arch-x86/syscalls/eventfd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(eventfd)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/execve.S b/libc/arch-x86/syscalls/execve.S
index 7ad54f7..a897c42 100644
--- a/libc/arch-x86/syscalls/execve.S
+++ b/libc/arch-x86/syscalls/execve.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(execve)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/faccessat.S b/libc/arch-x86/syscalls/faccessat.S
index 115d645..4ac3e2a 100644
--- a/libc/arch-x86/syscalls/faccessat.S
+++ b/libc/arch-x86/syscalls/faccessat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(faccessat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fallocate64.S b/libc/arch-x86/syscalls/fallocate64.S
index f8bde62..e1dfa08 100644
--- a/libc/arch-x86/syscalls/fallocate64.S
+++ b/libc/arch-x86/syscalls/fallocate64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fallocate64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fchdir.S b/libc/arch-x86/syscalls/fchdir.S
index 56e496c..af43acb 100644
--- a/libc/arch-x86/syscalls/fchdir.S
+++ b/libc/arch-x86/syscalls/fchdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchdir)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fchmod.S b/libc/arch-x86/syscalls/fchmod.S
index 4badcea..5c58359 100644
--- a/libc/arch-x86/syscalls/fchmod.S
+++ b/libc/arch-x86/syscalls/fchmod.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmod)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fchmodat.S b/libc/arch-x86/syscalls/fchmodat.S
index 552e85c..aed8d29 100644
--- a/libc/arch-x86/syscalls/fchmodat.S
+++ b/libc/arch-x86/syscalls/fchmodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmodat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fchown.S b/libc/arch-x86/syscalls/fchown.S
index 7e82637..da80251 100644
--- a/libc/arch-x86/syscalls/fchown.S
+++ b/libc/arch-x86/syscalls/fchown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchown)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fchownat.S b/libc/arch-x86/syscalls/fchownat.S
index de039d0..8514243 100644
--- a/libc/arch-x86/syscalls/fchownat.S
+++ b/libc/arch-x86/syscalls/fchownat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchownat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fdatasync.S b/libc/arch-x86/syscalls/fdatasync.S
index fdb5578..fc2c163 100644
--- a/libc/arch-x86/syscalls/fdatasync.S
+++ b/libc/arch-x86/syscalls/fdatasync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fdatasync)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fgetxattr.S b/libc/arch-x86/syscalls/fgetxattr.S
index 3ed63d3..767a675 100644
--- a/libc/arch-x86/syscalls/fgetxattr.S
+++ b/libc/arch-x86/syscalls/fgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fgetxattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/flistxattr.S b/libc/arch-x86/syscalls/flistxattr.S
index 2840114..dbb4977 100644
--- a/libc/arch-x86/syscalls/flistxattr.S
+++ b/libc/arch-x86/syscalls/flistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flistxattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/flock.S b/libc/arch-x86/syscalls/flock.S
index dc9ef02..b4b748e 100644
--- a/libc/arch-x86/syscalls/flock.S
+++ b/libc/arch-x86/syscalls/flock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flock)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fremovexattr.S b/libc/arch-x86/syscalls/fremovexattr.S
index 1e77f82..c34cbc4 100644
--- a/libc/arch-x86/syscalls/fremovexattr.S
+++ b/libc/arch-x86/syscalls/fremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fremovexattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fsetxattr.S b/libc/arch-x86/syscalls/fsetxattr.S
index 703a8d7..5593dca 100644
--- a/libc/arch-x86/syscalls/fsetxattr.S
+++ b/libc/arch-x86/syscalls/fsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsetxattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fstat64.S b/libc/arch-x86/syscalls/fstat64.S
index 970eeb1..2e29ae5 100644
--- a/libc/arch-x86/syscalls/fstat64.S
+++ b/libc/arch-x86/syscalls/fstat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstat64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fstatat64.S b/libc/arch-x86/syscalls/fstatat64.S
index 476578d..72922cb 100644
--- a/libc/arch-x86/syscalls/fstatat64.S
+++ b/libc/arch-x86/syscalls/fstatat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatat64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/fsync.S b/libc/arch-x86/syscalls/fsync.S
index 9fc84b7..af10e9a 100644
--- a/libc/arch-x86/syscalls/fsync.S
+++ b/libc/arch-x86/syscalls/fsync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsync)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/ftruncate.S b/libc/arch-x86/syscalls/ftruncate.S
index 6765d98..7343985 100644
--- a/libc/arch-x86/syscalls/ftruncate.S
+++ b/libc/arch-x86/syscalls/ftruncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/ftruncate64.S b/libc/arch-x86/syscalls/ftruncate64.S
index 21e26ce..47b925b 100644
--- a/libc/arch-x86/syscalls/ftruncate64.S
+++ b/libc/arch-x86/syscalls/ftruncate64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getegid.S b/libc/arch-x86/syscalls/getegid.S
index 445cd97..bc21b5a 100644
--- a/libc/arch-x86/syscalls/getegid.S
+++ b/libc/arch-x86/syscalls/getegid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getegid)
     movl    $__NR_getegid32, %eax
     int     $0x80
diff --git a/libc/arch-x86/syscalls/geteuid.S b/libc/arch-x86/syscalls/geteuid.S
index 8290a93..469f9c9 100644
--- a/libc/arch-x86/syscalls/geteuid.S
+++ b/libc/arch-x86/syscalls/geteuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(geteuid)
     movl    $__NR_geteuid32, %eax
     int     $0x80
diff --git a/libc/arch-x86/syscalls/getgid.S b/libc/arch-x86/syscalls/getgid.S
index d90767f..6b15674 100644
--- a/libc/arch-x86/syscalls/getgid.S
+++ b/libc/arch-x86/syscalls/getgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgid)
     movl    $__NR_getgid32, %eax
     int     $0x80
diff --git a/libc/arch-x86/syscalls/getgroups.S b/libc/arch-x86/syscalls/getgroups.S
index d36c09c..a7aa1b2 100644
--- a/libc/arch-x86/syscalls/getgroups.S
+++ b/libc/arch-x86/syscalls/getgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgroups)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getitimer.S b/libc/arch-x86/syscalls/getitimer.S
index ebf1260..1b424a3 100644
--- a/libc/arch-x86/syscalls/getitimer.S
+++ b/libc/arch-x86/syscalls/getitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getitimer)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getpeername.S b/libc/arch-x86/syscalls/getpeername.S
index abecd4e..94b43fb 100644
--- a/libc/arch-x86/syscalls/getpeername.S
+++ b/libc/arch-x86/syscalls/getpeername.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpeername)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getpgid.S b/libc/arch-x86/syscalls/getpgid.S
index e74ed3b..7d7149e 100644
--- a/libc/arch-x86/syscalls/getpgid.S
+++ b/libc/arch-x86/syscalls/getpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpgid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getppid.S b/libc/arch-x86/syscalls/getppid.S
index 025fa42..3103ed2 100644
--- a/libc/arch-x86/syscalls/getppid.S
+++ b/libc/arch-x86/syscalls/getppid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getppid)
     movl    $__NR_getppid, %eax
     int     $0x80
diff --git a/libc/arch-x86/syscalls/getresgid.S b/libc/arch-x86/syscalls/getresgid.S
index fe08cdf..2f03a03 100644
--- a/libc/arch-x86/syscalls/getresgid.S
+++ b/libc/arch-x86/syscalls/getresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresgid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getresuid.S b/libc/arch-x86/syscalls/getresuid.S
index 8e292fc..d6fe915 100644
--- a/libc/arch-x86/syscalls/getresuid.S
+++ b/libc/arch-x86/syscalls/getresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresuid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getrlimit.S b/libc/arch-x86/syscalls/getrlimit.S
index fdb5a03..4587a2e 100644
--- a/libc/arch-x86/syscalls/getrlimit.S
+++ b/libc/arch-x86/syscalls/getrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrlimit)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getrusage.S b/libc/arch-x86/syscalls/getrusage.S
index ae5f796..4b2e38b 100644
--- a/libc/arch-x86/syscalls/getrusage.S
+++ b/libc/arch-x86/syscalls/getrusage.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrusage)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getsid.S b/libc/arch-x86/syscalls/getsid.S
index e1dc87f..eac9f2c 100644
--- a/libc/arch-x86/syscalls/getsid.S
+++ b/libc/arch-x86/syscalls/getsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getsockname.S b/libc/arch-x86/syscalls/getsockname.S
index 254b755..738fa6d 100644
--- a/libc/arch-x86/syscalls/getsockname.S
+++ b/libc/arch-x86/syscalls/getsockname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockname)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getsockopt.S b/libc/arch-x86/syscalls/getsockopt.S
index 2ef630c..f8338f5 100644
--- a/libc/arch-x86/syscalls/getsockopt.S
+++ b/libc/arch-x86/syscalls/getsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockopt)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/gettimeofday.S b/libc/arch-x86/syscalls/gettimeofday.S
index 709a17b..96c1e11 100644
--- a/libc/arch-x86/syscalls/gettimeofday.S
+++ b/libc/arch-x86/syscalls/gettimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(gettimeofday)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/getuid.S b/libc/arch-x86/syscalls/getuid.S
index c375d30..cde5da8 100644
--- a/libc/arch-x86/syscalls/getuid.S
+++ b/libc/arch-x86/syscalls/getuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getuid)
     movl    $__NR_getuid32, %eax
     int     $0x80
diff --git a/libc/arch-x86/syscalls/getxattr.S b/libc/arch-x86/syscalls/getxattr.S
index db9c9dd..7679cbf 100644
--- a/libc/arch-x86/syscalls/getxattr.S
+++ b/libc/arch-x86/syscalls/getxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getxattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/init_module.S b/libc/arch-x86/syscalls/init_module.S
index 543b31e..02e55f0 100644
--- a/libc/arch-x86/syscalls/init_module.S
+++ b/libc/arch-x86/syscalls/init_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(init_module)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/inotify_add_watch.S b/libc/arch-x86/syscalls/inotify_add_watch.S
index f58c6d1..74a59f3 100644
--- a/libc/arch-x86/syscalls/inotify_add_watch.S
+++ b/libc/arch-x86/syscalls/inotify_add_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_add_watch)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/inotify_init1.S b/libc/arch-x86/syscalls/inotify_init1.S
index 2c7b100..de714c9 100644
--- a/libc/arch-x86/syscalls/inotify_init1.S
+++ b/libc/arch-x86/syscalls/inotify_init1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_init1)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/inotify_rm_watch.S b/libc/arch-x86/syscalls/inotify_rm_watch.S
index c453478..3edc152 100644
--- a/libc/arch-x86/syscalls/inotify_rm_watch.S
+++ b/libc/arch-x86/syscalls/inotify_rm_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_rm_watch)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/kill.S b/libc/arch-x86/syscalls/kill.S
index 0c1e24a..0cf38a9 100644
--- a/libc/arch-x86/syscalls/kill.S
+++ b/libc/arch-x86/syscalls/kill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(kill)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/klogctl.S b/libc/arch-x86/syscalls/klogctl.S
index 869324a..52b04e1 100644
--- a/libc/arch-x86/syscalls/klogctl.S
+++ b/libc/arch-x86/syscalls/klogctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(klogctl)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/lgetxattr.S b/libc/arch-x86/syscalls/lgetxattr.S
index 3ed4f11..8c2eb47 100644
--- a/libc/arch-x86/syscalls/lgetxattr.S
+++ b/libc/arch-x86/syscalls/lgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lgetxattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/linkat.S b/libc/arch-x86/syscalls/linkat.S
index e0c7e5f..56b8368 100644
--- a/libc/arch-x86/syscalls/linkat.S
+++ b/libc/arch-x86/syscalls/linkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(linkat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/listen.S b/libc/arch-x86/syscalls/listen.S
index c65f970..2c8cc76 100644
--- a/libc/arch-x86/syscalls/listen.S
+++ b/libc/arch-x86/syscalls/listen.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listen)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/listxattr.S b/libc/arch-x86/syscalls/listxattr.S
index 98a5114..f43ab3c 100644
--- a/libc/arch-x86/syscalls/listxattr.S
+++ b/libc/arch-x86/syscalls/listxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listxattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/llistxattr.S b/libc/arch-x86/syscalls/llistxattr.S
index a5ab636..d326526 100644
--- a/libc/arch-x86/syscalls/llistxattr.S
+++ b/libc/arch-x86/syscalls/llistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(llistxattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/lremovexattr.S b/libc/arch-x86/syscalls/lremovexattr.S
index 508abba..b4f4817 100644
--- a/libc/arch-x86/syscalls/lremovexattr.S
+++ b/libc/arch-x86/syscalls/lremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lremovexattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/lseek.S b/libc/arch-x86/syscalls/lseek.S
index 5f77831..1115be8 100644
--- a/libc/arch-x86/syscalls/lseek.S
+++ b/libc/arch-x86/syscalls/lseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lseek)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/lsetxattr.S b/libc/arch-x86/syscalls/lsetxattr.S
index d878684..fc62cdd 100644
--- a/libc/arch-x86/syscalls/lsetxattr.S
+++ b/libc/arch-x86/syscalls/lsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lsetxattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/madvise.S b/libc/arch-x86/syscalls/madvise.S
index 3e8c7fd..1de4456 100644
--- a/libc/arch-x86/syscalls/madvise.S
+++ b/libc/arch-x86/syscalls/madvise.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(madvise)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/mincore.S b/libc/arch-x86/syscalls/mincore.S
index 7096f6c..118063c 100644
--- a/libc/arch-x86/syscalls/mincore.S
+++ b/libc/arch-x86/syscalls/mincore.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mincore)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/mkdirat.S b/libc/arch-x86/syscalls/mkdirat.S
index 862a18c..6969d2a 100644
--- a/libc/arch-x86/syscalls/mkdirat.S
+++ b/libc/arch-x86/syscalls/mkdirat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mkdirat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/mknodat.S b/libc/arch-x86/syscalls/mknodat.S
index e03ba42..6c743d2 100644
--- a/libc/arch-x86/syscalls/mknodat.S
+++ b/libc/arch-x86/syscalls/mknodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mknodat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/mlock.S b/libc/arch-x86/syscalls/mlock.S
index f582f77..5ec799e 100644
--- a/libc/arch-x86/syscalls/mlock.S
+++ b/libc/arch-x86/syscalls/mlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlock)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/mlockall.S b/libc/arch-x86/syscalls/mlockall.S
index becca81..72a8da5 100644
--- a/libc/arch-x86/syscalls/mlockall.S
+++ b/libc/arch-x86/syscalls/mlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlockall)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/mount.S b/libc/arch-x86/syscalls/mount.S
index 7be2811..1e06b8e 100644
--- a/libc/arch-x86/syscalls/mount.S
+++ b/libc/arch-x86/syscalls/mount.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mount)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/mprotect.S b/libc/arch-x86/syscalls/mprotect.S
index 0516c45..11037c3 100644
--- a/libc/arch-x86/syscalls/mprotect.S
+++ b/libc/arch-x86/syscalls/mprotect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mprotect)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/mremap.S b/libc/arch-x86/syscalls/mremap.S
index 42e75ce..b7f96ff 100644
--- a/libc/arch-x86/syscalls/mremap.S
+++ b/libc/arch-x86/syscalls/mremap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mremap)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/msync.S b/libc/arch-x86/syscalls/msync.S
index 66722f2..e2549f7 100644
--- a/libc/arch-x86/syscalls/msync.S
+++ b/libc/arch-x86/syscalls/msync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(msync)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/munlock.S b/libc/arch-x86/syscalls/munlock.S
index 2fc3aa7..6b79e99 100644
--- a/libc/arch-x86/syscalls/munlock.S
+++ b/libc/arch-x86/syscalls/munlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlock)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/munlockall.S b/libc/arch-x86/syscalls/munlockall.S
index 1bc99ea..96e238b 100644
--- a/libc/arch-x86/syscalls/munlockall.S
+++ b/libc/arch-x86/syscalls/munlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlockall)
     movl    $__NR_munlockall, %eax
     int     $0x80
diff --git a/libc/arch-x86/syscalls/munmap.S b/libc/arch-x86/syscalls/munmap.S
index 878aae7..a77a777 100644
--- a/libc/arch-x86/syscalls/munmap.S
+++ b/libc/arch-x86/syscalls/munmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munmap)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/nanosleep.S b/libc/arch-x86/syscalls/nanosleep.S
index fe8af90..444aa7e 100644
--- a/libc/arch-x86/syscalls/nanosleep.S
+++ b/libc/arch-x86/syscalls/nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(nanosleep)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/personality.S b/libc/arch-x86/syscalls/personality.S
index 8c8e0ff..5344e1c 100644
--- a/libc/arch-x86/syscalls/personality.S
+++ b/libc/arch-x86/syscalls/personality.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(personality)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/pipe2.S b/libc/arch-x86/syscalls/pipe2.S
index 99c4e8b..62665a0 100644
--- a/libc/arch-x86/syscalls/pipe2.S
+++ b/libc/arch-x86/syscalls/pipe2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pipe2)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/prctl.S b/libc/arch-x86/syscalls/prctl.S
index 63ec899..28e84d8 100644
--- a/libc/arch-x86/syscalls/prctl.S
+++ b/libc/arch-x86/syscalls/prctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prctl)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/pread64.S b/libc/arch-x86/syscalls/pread64.S
index 6b3c8ad..e7502b9 100644
--- a/libc/arch-x86/syscalls/pread64.S
+++ b/libc/arch-x86/syscalls/pread64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pread64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/prlimit64.S b/libc/arch-x86/syscalls/prlimit64.S
index 6aa875f..2ca8b23 100644
--- a/libc/arch-x86/syscalls/prlimit64.S
+++ b/libc/arch-x86/syscalls/prlimit64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prlimit64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/pwrite64.S b/libc/arch-x86/syscalls/pwrite64.S
index 7d53095..b798a8e 100644
--- a/libc/arch-x86/syscalls/pwrite64.S
+++ b/libc/arch-x86/syscalls/pwrite64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pwrite64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/read.S b/libc/arch-x86/syscalls/read.S
index 9814c8f..483c5ef 100644
--- a/libc/arch-x86/syscalls/read.S
+++ b/libc/arch-x86/syscalls/read.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(read)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/readahead.S b/libc/arch-x86/syscalls/readahead.S
index 49a17d0..b1e0870 100644
--- a/libc/arch-x86/syscalls/readahead.S
+++ b/libc/arch-x86/syscalls/readahead.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readahead)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/readlinkat.S b/libc/arch-x86/syscalls/readlinkat.S
index 1a161c0..a06ae73 100644
--- a/libc/arch-x86/syscalls/readlinkat.S
+++ b/libc/arch-x86/syscalls/readlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readlinkat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/readv.S b/libc/arch-x86/syscalls/readv.S
index 8b5ff41..a0b46b8 100644
--- a/libc/arch-x86/syscalls/readv.S
+++ b/libc/arch-x86/syscalls/readv.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readv)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/recvfrom.S b/libc/arch-x86/syscalls/recvfrom.S
index 53d08f6..86f12c0 100644
--- a/libc/arch-x86/syscalls/recvfrom.S
+++ b/libc/arch-x86/syscalls/recvfrom.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvfrom)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/recvmmsg.S b/libc/arch-x86/syscalls/recvmmsg.S
index 3ef8740..f77f794 100644
--- a/libc/arch-x86/syscalls/recvmmsg.S
+++ b/libc/arch-x86/syscalls/recvmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmmsg)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/recvmsg.S b/libc/arch-x86/syscalls/recvmsg.S
index 150672d..5d25d7a 100644
--- a/libc/arch-x86/syscalls/recvmsg.S
+++ b/libc/arch-x86/syscalls/recvmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmsg)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/removexattr.S b/libc/arch-x86/syscalls/removexattr.S
index e7c55eb..cbbdf4e 100644
--- a/libc/arch-x86/syscalls/removexattr.S
+++ b/libc/arch-x86/syscalls/removexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(removexattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/renameat.S b/libc/arch-x86/syscalls/renameat.S
index 5dfe65f..e424daf 100644
--- a/libc/arch-x86/syscalls/renameat.S
+++ b/libc/arch-x86/syscalls/renameat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(renameat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sched_get_priority_max.S b/libc/arch-x86/syscalls/sched_get_priority_max.S
index d8debe2..eee6f92 100644
--- a/libc/arch-x86/syscalls/sched_get_priority_max.S
+++ b/libc/arch-x86/syscalls/sched_get_priority_max.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_max)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sched_get_priority_min.S b/libc/arch-x86/syscalls/sched_get_priority_min.S
index e9689fa..0edcab1 100644
--- a/libc/arch-x86/syscalls/sched_get_priority_min.S
+++ b/libc/arch-x86/syscalls/sched_get_priority_min.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_min)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sched_getparam.S b/libc/arch-x86/syscalls/sched_getparam.S
index 6b5e7c8..9a4ebbd 100644
--- a/libc/arch-x86/syscalls/sched_getparam.S
+++ b/libc/arch-x86/syscalls/sched_getparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getparam)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sched_getscheduler.S b/libc/arch-x86/syscalls/sched_getscheduler.S
index a2c5746..19a925e 100644
--- a/libc/arch-x86/syscalls/sched_getscheduler.S
+++ b/libc/arch-x86/syscalls/sched_getscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getscheduler)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sched_rr_get_interval.S b/libc/arch-x86/syscalls/sched_rr_get_interval.S
index f8012f3..c2592a9 100644
--- a/libc/arch-x86/syscalls/sched_rr_get_interval.S
+++ b/libc/arch-x86/syscalls/sched_rr_get_interval.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_rr_get_interval)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sched_setaffinity.S b/libc/arch-x86/syscalls/sched_setaffinity.S
index 76013f9..4a0ac86 100644
--- a/libc/arch-x86/syscalls/sched_setaffinity.S
+++ b/libc/arch-x86/syscalls/sched_setaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setaffinity)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sched_setparam.S b/libc/arch-x86/syscalls/sched_setparam.S
index aca4bd9..a99c0de 100644
--- a/libc/arch-x86/syscalls/sched_setparam.S
+++ b/libc/arch-x86/syscalls/sched_setparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setparam)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sched_setscheduler.S b/libc/arch-x86/syscalls/sched_setscheduler.S
index fad72c6..dbfd01e 100644
--- a/libc/arch-x86/syscalls/sched_setscheduler.S
+++ b/libc/arch-x86/syscalls/sched_setscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setscheduler)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sched_yield.S b/libc/arch-x86/syscalls/sched_yield.S
index 8b4a9be..87ebaf9 100644
--- a/libc/arch-x86/syscalls/sched_yield.S
+++ b/libc/arch-x86/syscalls/sched_yield.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_yield)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sendfile.S b/libc/arch-x86/syscalls/sendfile.S
index 7bd86d0..58433fb 100644
--- a/libc/arch-x86/syscalls/sendfile.S
+++ b/libc/arch-x86/syscalls/sendfile.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sendfile64.S b/libc/arch-x86/syscalls/sendfile64.S
index bd76043..97c7146 100644
--- a/libc/arch-x86/syscalls/sendfile64.S
+++ b/libc/arch-x86/syscalls/sendfile64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sendmmsg.S b/libc/arch-x86/syscalls/sendmmsg.S
index 4bc3c40..3c359ee 100644
--- a/libc/arch-x86/syscalls/sendmmsg.S
+++ b/libc/arch-x86/syscalls/sendmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmmsg)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sendmsg.S b/libc/arch-x86/syscalls/sendmsg.S
index eb8fc63..51288cc 100644
--- a/libc/arch-x86/syscalls/sendmsg.S
+++ b/libc/arch-x86/syscalls/sendmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmsg)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sendto.S b/libc/arch-x86/syscalls/sendto.S
index 8cb72c8..4b77f24 100644
--- a/libc/arch-x86/syscalls/sendto.S
+++ b/libc/arch-x86/syscalls/sendto.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendto)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setfsgid.S b/libc/arch-x86/syscalls/setfsgid.S
index fa7a5c5..a8160c3 100644
--- a/libc/arch-x86/syscalls/setfsgid.S
+++ b/libc/arch-x86/syscalls/setfsgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsgid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setfsuid.S b/libc/arch-x86/syscalls/setfsuid.S
index 5856a16..abcf0b3 100644
--- a/libc/arch-x86/syscalls/setfsuid.S
+++ b/libc/arch-x86/syscalls/setfsuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsuid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setgid.S b/libc/arch-x86/syscalls/setgid.S
index baa1b1a..47c011e 100644
--- a/libc/arch-x86/syscalls/setgid.S
+++ b/libc/arch-x86/syscalls/setgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setgroups.S b/libc/arch-x86/syscalls/setgroups.S
index 364aaad..7a58910 100644
--- a/libc/arch-x86/syscalls/setgroups.S
+++ b/libc/arch-x86/syscalls/setgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgroups)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setitimer.S b/libc/arch-x86/syscalls/setitimer.S
index 409c4c6..e87a26e 100644
--- a/libc/arch-x86/syscalls/setitimer.S
+++ b/libc/arch-x86/syscalls/setitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setitimer)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setns.S b/libc/arch-x86/syscalls/setns.S
index ddbe758..75f23fa 100644
--- a/libc/arch-x86/syscalls/setns.S
+++ b/libc/arch-x86/syscalls/setns.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setns)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setpgid.S b/libc/arch-x86/syscalls/setpgid.S
index ac1b12d..c20b789 100644
--- a/libc/arch-x86/syscalls/setpgid.S
+++ b/libc/arch-x86/syscalls/setpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpgid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setpriority.S b/libc/arch-x86/syscalls/setpriority.S
index 93c1e07..4606c23 100644
--- a/libc/arch-x86/syscalls/setpriority.S
+++ b/libc/arch-x86/syscalls/setpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpriority)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setregid.S b/libc/arch-x86/syscalls/setregid.S
index 0ecfa9a..ff6cf36 100644
--- a/libc/arch-x86/syscalls/setregid.S
+++ b/libc/arch-x86/syscalls/setregid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setregid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setresgid.S b/libc/arch-x86/syscalls/setresgid.S
index a6914c4..a4846ae 100644
--- a/libc/arch-x86/syscalls/setresgid.S
+++ b/libc/arch-x86/syscalls/setresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresgid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setresuid.S b/libc/arch-x86/syscalls/setresuid.S
index c33c1ca..6ed0fad 100644
--- a/libc/arch-x86/syscalls/setresuid.S
+++ b/libc/arch-x86/syscalls/setresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresuid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setreuid.S b/libc/arch-x86/syscalls/setreuid.S
index 4244988..57d7540 100644
--- a/libc/arch-x86/syscalls/setreuid.S
+++ b/libc/arch-x86/syscalls/setreuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setreuid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setrlimit.S b/libc/arch-x86/syscalls/setrlimit.S
index 3e86504..9ca6134 100644
--- a/libc/arch-x86/syscalls/setrlimit.S
+++ b/libc/arch-x86/syscalls/setrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setrlimit)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setsid.S b/libc/arch-x86/syscalls/setsid.S
index 398c110..5c933b3 100644
--- a/libc/arch-x86/syscalls/setsid.S
+++ b/libc/arch-x86/syscalls/setsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsid)
     movl    $__NR_setsid, %eax
     int     $0x80
diff --git a/libc/arch-x86/syscalls/setsockopt.S b/libc/arch-x86/syscalls/setsockopt.S
index 6ef168f..f002344 100644
--- a/libc/arch-x86/syscalls/setsockopt.S
+++ b/libc/arch-x86/syscalls/setsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsockopt)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/settimeofday.S b/libc/arch-x86/syscalls/settimeofday.S
index 37e11c5..b35791d 100644
--- a/libc/arch-x86/syscalls/settimeofday.S
+++ b/libc/arch-x86/syscalls/settimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(settimeofday)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setuid.S b/libc/arch-x86/syscalls/setuid.S
index fcea66d..f5b8315 100644
--- a/libc/arch-x86/syscalls/setuid.S
+++ b/libc/arch-x86/syscalls/setuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setuid)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/setxattr.S b/libc/arch-x86/syscalls/setxattr.S
index d6473cd..24eb2c4 100644
--- a/libc/arch-x86/syscalls/setxattr.S
+++ b/libc/arch-x86/syscalls/setxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setxattr)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/shutdown.S b/libc/arch-x86/syscalls/shutdown.S
index 32fa17a..e5497e6 100644
--- a/libc/arch-x86/syscalls/shutdown.S
+++ b/libc/arch-x86/syscalls/shutdown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(shutdown)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sigaltstack.S b/libc/arch-x86/syscalls/sigaltstack.S
index 6882a78..150e398 100644
--- a/libc/arch-x86/syscalls/sigaltstack.S
+++ b/libc/arch-x86/syscalls/sigaltstack.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sigaltstack)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/socketpair.S b/libc/arch-x86/syscalls/socketpair.S
index 945faa0..f2188e3 100644
--- a/libc/arch-x86/syscalls/socketpair.S
+++ b/libc/arch-x86/syscalls/socketpair.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(socketpair)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/splice.S b/libc/arch-x86/syscalls/splice.S
index 46e2312..38d9ddf 100644
--- a/libc/arch-x86/syscalls/splice.S
+++ b/libc/arch-x86/syscalls/splice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(splice)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/swapoff.S b/libc/arch-x86/syscalls/swapoff.S
index 0e21033..a0cbc0e 100644
--- a/libc/arch-x86/syscalls/swapoff.S
+++ b/libc/arch-x86/syscalls/swapoff.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapoff)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/swapon.S b/libc/arch-x86/syscalls/swapon.S
index a4d5e03..5a2bc94 100644
--- a/libc/arch-x86/syscalls/swapon.S
+++ b/libc/arch-x86/syscalls/swapon.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapon)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/symlinkat.S b/libc/arch-x86/syscalls/symlinkat.S
index 618f5d8..7d7a9da 100644
--- a/libc/arch-x86/syscalls/symlinkat.S
+++ b/libc/arch-x86/syscalls/symlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(symlinkat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sync.S b/libc/arch-x86/syscalls/sync.S
index a1f1782..423c01d 100644
--- a/libc/arch-x86/syscalls/sync.S
+++ b/libc/arch-x86/syscalls/sync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sync)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/sysinfo.S b/libc/arch-x86/syscalls/sysinfo.S
index c3eabb0..0870761 100644
--- a/libc/arch-x86/syscalls/sysinfo.S
+++ b/libc/arch-x86/syscalls/sysinfo.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sysinfo)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/tee.S b/libc/arch-x86/syscalls/tee.S
index 9422660..85ff3cc 100644
--- a/libc/arch-x86/syscalls/tee.S
+++ b/libc/arch-x86/syscalls/tee.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tee)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/tgkill.S b/libc/arch-x86/syscalls/tgkill.S
index 385827b..aab80e1 100644
--- a/libc/arch-x86/syscalls/tgkill.S
+++ b/libc/arch-x86/syscalls/tgkill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tgkill)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/timerfd_create.S b/libc/arch-x86/syscalls/timerfd_create.S
index 343195e..f1bef4c 100644
--- a/libc/arch-x86/syscalls/timerfd_create.S
+++ b/libc/arch-x86/syscalls/timerfd_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_create)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/timerfd_gettime.S b/libc/arch-x86/syscalls/timerfd_gettime.S
index 9b3a314..d7ec28f 100644
--- a/libc/arch-x86/syscalls/timerfd_gettime.S
+++ b/libc/arch-x86/syscalls/timerfd_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_gettime)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/timerfd_settime.S b/libc/arch-x86/syscalls/timerfd_settime.S
index 819b723..7e03edb 100644
--- a/libc/arch-x86/syscalls/timerfd_settime.S
+++ b/libc/arch-x86/syscalls/timerfd_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_settime)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/times.S b/libc/arch-x86/syscalls/times.S
index f5739d3..6a14cff 100644
--- a/libc/arch-x86/syscalls/times.S
+++ b/libc/arch-x86/syscalls/times.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(times)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/truncate.S b/libc/arch-x86/syscalls/truncate.S
index 427f95f..33ce47f 100644
--- a/libc/arch-x86/syscalls/truncate.S
+++ b/libc/arch-x86/syscalls/truncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/truncate64.S b/libc/arch-x86/syscalls/truncate64.S
index 2c49751..2168eb4 100644
--- a/libc/arch-x86/syscalls/truncate64.S
+++ b/libc/arch-x86/syscalls/truncate64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/umask.S b/libc/arch-x86/syscalls/umask.S
index 3affc8d..03bee20 100644
--- a/libc/arch-x86/syscalls/umask.S
+++ b/libc/arch-x86/syscalls/umask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umask)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/umount2.S b/libc/arch-x86/syscalls/umount2.S
index d2b3549..9701e03 100644
--- a/libc/arch-x86/syscalls/umount2.S
+++ b/libc/arch-x86/syscalls/umount2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umount2)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/uname.S b/libc/arch-x86/syscalls/uname.S
index e996805..6de3b41 100644
--- a/libc/arch-x86/syscalls/uname.S
+++ b/libc/arch-x86/syscalls/uname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(uname)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/unlinkat.S b/libc/arch-x86/syscalls/unlinkat.S
index 6417d2b..93ea201 100644
--- a/libc/arch-x86/syscalls/unlinkat.S
+++ b/libc/arch-x86/syscalls/unlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unlinkat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/unshare.S b/libc/arch-x86/syscalls/unshare.S
index a289d4d..9d11466 100644
--- a/libc/arch-x86/syscalls/unshare.S
+++ b/libc/arch-x86/syscalls/unshare.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unshare)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/utimensat.S b/libc/arch-x86/syscalls/utimensat.S
index d8c9080..62e1525 100644
--- a/libc/arch-x86/syscalls/utimensat.S
+++ b/libc/arch-x86/syscalls/utimensat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(utimensat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/vmsplice.S b/libc/arch-x86/syscalls/vmsplice.S
index 2afba60..4707635 100644
--- a/libc/arch-x86/syscalls/vmsplice.S
+++ b/libc/arch-x86/syscalls/vmsplice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(vmsplice)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/wait4.S b/libc/arch-x86/syscalls/wait4.S
index fda75c0..137b721 100644
--- a/libc/arch-x86/syscalls/wait4.S
+++ b/libc/arch-x86/syscalls/wait4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(wait4)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/write.S b/libc/arch-x86/syscalls/write.S
index 115974e..2f040b2 100644
--- a/libc/arch-x86/syscalls/write.S
+++ b/libc/arch-x86/syscalls/write.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(write)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86/syscalls/writev.S b/libc/arch-x86/syscalls/writev.S
index 77e5cd1..2840eea 100644
--- a/libc/arch-x86/syscalls/writev.S
+++ b/libc/arch-x86/syscalls/writev.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(writev)
     pushl   %ebx
     .cfi_def_cfa_offset 8
diff --git a/libc/arch-x86_64/syscalls/__accept4.S b/libc/arch-x86_64/syscalls/__accept4.S
index 375a78b..774cdd5 100644
--- a/libc/arch-x86_64/syscalls/__accept4.S
+++ b/libc/arch-x86_64/syscalls/__accept4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__accept4)
     movq    %rcx, %r10
     movl    $__NR_accept4, %eax
diff --git a/libc/arch-x86_64/syscalls/__arch_prctl.S b/libc/arch-x86_64/syscalls/__arch_prctl.S
index 6c72a6c..c0dad45 100644
--- a/libc/arch-x86_64/syscalls/__arch_prctl.S
+++ b/libc/arch-x86_64/syscalls/__arch_prctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__arch_prctl)
     movl    $__NR_arch_prctl, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__brk.S b/libc/arch-x86_64/syscalls/__brk.S
index 18ebc10..df942a1 100644
--- a/libc/arch-x86_64/syscalls/__brk.S
+++ b/libc/arch-x86_64/syscalls/__brk.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__brk)
     movl    $__NR_brk, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__clock_gettime.S b/libc/arch-x86_64/syscalls/__clock_gettime.S
index 7e553b8..6c11fb6 100644
--- a/libc/arch-x86_64/syscalls/__clock_gettime.S
+++ b/libc/arch-x86_64/syscalls/__clock_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__clock_gettime)
     movl    $__NR_clock_gettime, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__connect.S b/libc/arch-x86_64/syscalls/__connect.S
index a7d2e93..05a8202 100644
--- a/libc/arch-x86_64/syscalls/__connect.S
+++ b/libc/arch-x86_64/syscalls/__connect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__connect)
     movl    $__NR_connect, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__epoll_pwait.S b/libc/arch-x86_64/syscalls/__epoll_pwait.S
index 4271b53..b0aee80 100644
--- a/libc/arch-x86_64/syscalls/__epoll_pwait.S
+++ b/libc/arch-x86_64/syscalls/__epoll_pwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__epoll_pwait)
     movq    %rcx, %r10
     movl    $__NR_epoll_pwait, %eax
diff --git a/libc/arch-x86_64/syscalls/__exit.S b/libc/arch-x86_64/syscalls/__exit.S
index bcbaffc..e552f04 100644
--- a/libc/arch-x86_64/syscalls/__exit.S
+++ b/libc/arch-x86_64/syscalls/__exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__exit)
     movl    $__NR_exit, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__getcpu.S b/libc/arch-x86_64/syscalls/__getcpu.S
index c25f294..c415fd7 100644
--- a/libc/arch-x86_64/syscalls/__getcpu.S
+++ b/libc/arch-x86_64/syscalls/__getcpu.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcpu)
     movl    $__NR_getcpu, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__getcwd.S b/libc/arch-x86_64/syscalls/__getcwd.S
index 1743838..1ea5651 100644
--- a/libc/arch-x86_64/syscalls/__getcwd.S
+++ b/libc/arch-x86_64/syscalls/__getcwd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcwd)
     movl    $__NR_getcwd, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__getdents64.S b/libc/arch-x86_64/syscalls/__getdents64.S
index 64f82fd..42c130c 100644
--- a/libc/arch-x86_64/syscalls/__getdents64.S
+++ b/libc/arch-x86_64/syscalls/__getdents64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getdents64)
     movl    $__NR_getdents64, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__getpid.S b/libc/arch-x86_64/syscalls/__getpid.S
index bd1bf1e..ae6bb49 100644
--- a/libc/arch-x86_64/syscalls/__getpid.S
+++ b/libc/arch-x86_64/syscalls/__getpid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpid)
     movl    $__NR_getpid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__getpriority.S b/libc/arch-x86_64/syscalls/__getpriority.S
index 349f574..c82b008 100644
--- a/libc/arch-x86_64/syscalls/__getpriority.S
+++ b/libc/arch-x86_64/syscalls/__getpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpriority)
     movl    $__NR_getpriority, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__gettimeofday.S b/libc/arch-x86_64/syscalls/__gettimeofday.S
index a38eb64..e4b2409 100644
--- a/libc/arch-x86_64/syscalls/__gettimeofday.S
+++ b/libc/arch-x86_64/syscalls/__gettimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__gettimeofday)
     movl    $__NR_gettimeofday, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__ioctl.S b/libc/arch-x86_64/syscalls/__ioctl.S
index 2775911..aa2f538 100644
--- a/libc/arch-x86_64/syscalls/__ioctl.S
+++ b/libc/arch-x86_64/syscalls/__ioctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ioctl)
     movl    $__NR_ioctl, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__openat.S b/libc/arch-x86_64/syscalls/__openat.S
index dce4c7c..e7f5dc4 100644
--- a/libc/arch-x86_64/syscalls/__openat.S
+++ b/libc/arch-x86_64/syscalls/__openat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__openat)
     movq    %rcx, %r10
     movl    $__NR_openat, %eax
diff --git a/libc/arch-x86_64/syscalls/__ppoll.S b/libc/arch-x86_64/syscalls/__ppoll.S
index 31ba7e9..eb741ce 100644
--- a/libc/arch-x86_64/syscalls/__ppoll.S
+++ b/libc/arch-x86_64/syscalls/__ppoll.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ppoll)
     movq    %rcx, %r10
     movl    $__NR_ppoll, %eax
diff --git a/libc/arch-x86_64/syscalls/__pselect6.S b/libc/arch-x86_64/syscalls/__pselect6.S
index a212c4e..75ea416 100644
--- a/libc/arch-x86_64/syscalls/__pselect6.S
+++ b/libc/arch-x86_64/syscalls/__pselect6.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__pselect6)
     movq    %rcx, %r10
     movl    $__NR_pselect6, %eax
diff --git a/libc/arch-x86_64/syscalls/__ptrace.S b/libc/arch-x86_64/syscalls/__ptrace.S
index 0a64fee..45724e4 100644
--- a/libc/arch-x86_64/syscalls/__ptrace.S
+++ b/libc/arch-x86_64/syscalls/__ptrace.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ptrace)
     movq    %rcx, %r10
     movl    $__NR_ptrace, %eax
diff --git a/libc/arch-x86_64/syscalls/__reboot.S b/libc/arch-x86_64/syscalls/__reboot.S
index 398d078..bbff3f2 100644
--- a/libc/arch-x86_64/syscalls/__reboot.S
+++ b/libc/arch-x86_64/syscalls/__reboot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__reboot)
     movq    %rcx, %r10
     movl    $__NR_reboot, %eax
diff --git a/libc/arch-x86_64/syscalls/__rt_sigaction.S b/libc/arch-x86_64/syscalls/__rt_sigaction.S
index f146b02..7ce3d8c 100644
--- a/libc/arch-x86_64/syscalls/__rt_sigaction.S
+++ b/libc/arch-x86_64/syscalls/__rt_sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigaction)
     movq    %rcx, %r10
     movl    $__NR_rt_sigaction, %eax
diff --git a/libc/arch-x86_64/syscalls/__rt_sigpending.S b/libc/arch-x86_64/syscalls/__rt_sigpending.S
index 9d1698b..78c10ed 100644
--- a/libc/arch-x86_64/syscalls/__rt_sigpending.S
+++ b/libc/arch-x86_64/syscalls/__rt_sigpending.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigpending)
     movl    $__NR_rt_sigpending, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__rt_sigprocmask.S b/libc/arch-x86_64/syscalls/__rt_sigprocmask.S
index 1ac9b81..bf2841c 100644
--- a/libc/arch-x86_64/syscalls/__rt_sigprocmask.S
+++ b/libc/arch-x86_64/syscalls/__rt_sigprocmask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigprocmask)
     movq    %rcx, %r10
     movl    $__NR_rt_sigprocmask, %eax
diff --git a/libc/arch-x86_64/syscalls/__rt_sigsuspend.S b/libc/arch-x86_64/syscalls/__rt_sigsuspend.S
index 1059f0b..a82b052 100644
--- a/libc/arch-x86_64/syscalls/__rt_sigsuspend.S
+++ b/libc/arch-x86_64/syscalls/__rt_sigsuspend.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigsuspend)
     movl    $__NR_rt_sigsuspend, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__rt_sigtimedwait.S b/libc/arch-x86_64/syscalls/__rt_sigtimedwait.S
index de2e4cb..aceacb2 100644
--- a/libc/arch-x86_64/syscalls/__rt_sigtimedwait.S
+++ b/libc/arch-x86_64/syscalls/__rt_sigtimedwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigtimedwait)
     movq    %rcx, %r10
     movl    $__NR_rt_sigtimedwait, %eax
diff --git a/libc/arch-x86_64/syscalls/__sched_getaffinity.S b/libc/arch-x86_64/syscalls/__sched_getaffinity.S
index 410954c..fd1f607 100644
--- a/libc/arch-x86_64/syscalls/__sched_getaffinity.S
+++ b/libc/arch-x86_64/syscalls/__sched_getaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sched_getaffinity)
     movl    $__NR_sched_getaffinity, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__set_tid_address.S b/libc/arch-x86_64/syscalls/__set_tid_address.S
index c59c8b8..7e5226d 100644
--- a/libc/arch-x86_64/syscalls/__set_tid_address.S
+++ b/libc/arch-x86_64/syscalls/__set_tid_address.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tid_address)
     movl    $__NR_set_tid_address, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__signalfd4.S b/libc/arch-x86_64/syscalls/__signalfd4.S
index 6ddcf5a..d27f63c 100644
--- a/libc/arch-x86_64/syscalls/__signalfd4.S
+++ b/libc/arch-x86_64/syscalls/__signalfd4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__signalfd4)
     movq    %rcx, %r10
     movl    $__NR_signalfd4, %eax
diff --git a/libc/arch-x86_64/syscalls/__socket.S b/libc/arch-x86_64/syscalls/__socket.S
index 209e329..3b573e8 100644
--- a/libc/arch-x86_64/syscalls/__socket.S
+++ b/libc/arch-x86_64/syscalls/__socket.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__socket)
     movl    $__NR_socket, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__timer_create.S b/libc/arch-x86_64/syscalls/__timer_create.S
index 3450d2b..920c935 100644
--- a/libc/arch-x86_64/syscalls/__timer_create.S
+++ b/libc/arch-x86_64/syscalls/__timer_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_create)
     movl    $__NR_timer_create, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__timer_delete.S b/libc/arch-x86_64/syscalls/__timer_delete.S
index fd60a16..c76830e 100644
--- a/libc/arch-x86_64/syscalls/__timer_delete.S
+++ b/libc/arch-x86_64/syscalls/__timer_delete.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_delete)
     movl    $__NR_timer_delete, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__timer_getoverrun.S b/libc/arch-x86_64/syscalls/__timer_getoverrun.S
index f5309a3..e35ee93 100644
--- a/libc/arch-x86_64/syscalls/__timer_getoverrun.S
+++ b/libc/arch-x86_64/syscalls/__timer_getoverrun.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_getoverrun)
     movl    $__NR_timer_getoverrun, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__timer_gettime.S b/libc/arch-x86_64/syscalls/__timer_gettime.S
index 7e2bc92..8bb41d9 100644
--- a/libc/arch-x86_64/syscalls/__timer_gettime.S
+++ b/libc/arch-x86_64/syscalls/__timer_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_gettime)
     movl    $__NR_timer_gettime, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/__timer_settime.S b/libc/arch-x86_64/syscalls/__timer_settime.S
index f5401a0..0eace4b 100644
--- a/libc/arch-x86_64/syscalls/__timer_settime.S
+++ b/libc/arch-x86_64/syscalls/__timer_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_settime)
     movq    %rcx, %r10
     movl    $__NR_timer_settime, %eax
diff --git a/libc/arch-x86_64/syscalls/__waitid.S b/libc/arch-x86_64/syscalls/__waitid.S
index 229f20c..47bf7b3 100644
--- a/libc/arch-x86_64/syscalls/__waitid.S
+++ b/libc/arch-x86_64/syscalls/__waitid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__waitid)
     movq    %rcx, %r10
     movl    $__NR_waitid, %eax
diff --git a/libc/arch-x86_64/syscalls/_exit.S b/libc/arch-x86_64/syscalls/_exit.S
index 9c80f00..06465c4 100644
--- a/libc/arch-x86_64/syscalls/_exit.S
+++ b/libc/arch-x86_64/syscalls/_exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(_exit)
     movl    $__NR_exit_group, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/acct.S b/libc/arch-x86_64/syscalls/acct.S
index 91ecf5b..6bf59e3 100644
--- a/libc/arch-x86_64/syscalls/acct.S
+++ b/libc/arch-x86_64/syscalls/acct.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(acct)
     movl    $__NR_acct, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/bind.S b/libc/arch-x86_64/syscalls/bind.S
index 5d426cb..4300c00 100644
--- a/libc/arch-x86_64/syscalls/bind.S
+++ b/libc/arch-x86_64/syscalls/bind.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(bind)
     movl    $__NR_bind, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/capget.S b/libc/arch-x86_64/syscalls/capget.S
index d3d151e..8ce1846 100644
--- a/libc/arch-x86_64/syscalls/capget.S
+++ b/libc/arch-x86_64/syscalls/capget.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capget)
     movl    $__NR_capget, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/capset.S b/libc/arch-x86_64/syscalls/capset.S
index 421f156..3aff07c 100644
--- a/libc/arch-x86_64/syscalls/capset.S
+++ b/libc/arch-x86_64/syscalls/capset.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capset)
     movl    $__NR_capset, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/chdir.S b/libc/arch-x86_64/syscalls/chdir.S
index 7a6f651..f22b40d 100644
--- a/libc/arch-x86_64/syscalls/chdir.S
+++ b/libc/arch-x86_64/syscalls/chdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chdir)
     movl    $__NR_chdir, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/chroot.S b/libc/arch-x86_64/syscalls/chroot.S
index 0f53fd9..eb8a463 100644
--- a/libc/arch-x86_64/syscalls/chroot.S
+++ b/libc/arch-x86_64/syscalls/chroot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chroot)
     movl    $__NR_chroot, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/clock_getres.S b/libc/arch-x86_64/syscalls/clock_getres.S
index bad0d78..00b4ed6 100644
--- a/libc/arch-x86_64/syscalls/clock_getres.S
+++ b/libc/arch-x86_64/syscalls/clock_getres.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_getres)
     movl    $__NR_clock_getres, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/clock_nanosleep.S b/libc/arch-x86_64/syscalls/clock_nanosleep.S
index 2ef0d05..8bc87ae 100644
--- a/libc/arch-x86_64/syscalls/clock_nanosleep.S
+++ b/libc/arch-x86_64/syscalls/clock_nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_nanosleep)
     movq    %rcx, %r10
     movl    $__NR_clock_nanosleep, %eax
diff --git a/libc/arch-x86_64/syscalls/clock_settime.S b/libc/arch-x86_64/syscalls/clock_settime.S
index 6a3b75b..5225770 100644
--- a/libc/arch-x86_64/syscalls/clock_settime.S
+++ b/libc/arch-x86_64/syscalls/clock_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_settime)
     movl    $__NR_clock_settime, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/close.S b/libc/arch-x86_64/syscalls/close.S
index 41c8403..029d09a 100644
--- a/libc/arch-x86_64/syscalls/close.S
+++ b/libc/arch-x86_64/syscalls/close.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(close)
     movl    $__NR_close, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/delete_module.S b/libc/arch-x86_64/syscalls/delete_module.S
index d3f3862..fc146bb 100644
--- a/libc/arch-x86_64/syscalls/delete_module.S
+++ b/libc/arch-x86_64/syscalls/delete_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(delete_module)
     movl    $__NR_delete_module, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/dup.S b/libc/arch-x86_64/syscalls/dup.S
index bf2ca51..53f06b0 100644
--- a/libc/arch-x86_64/syscalls/dup.S
+++ b/libc/arch-x86_64/syscalls/dup.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup)
     movl    $__NR_dup, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/dup3.S b/libc/arch-x86_64/syscalls/dup3.S
index f5c929c..fb99941 100644
--- a/libc/arch-x86_64/syscalls/dup3.S
+++ b/libc/arch-x86_64/syscalls/dup3.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup3)
     movl    $__NR_dup3, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/epoll_create1.S b/libc/arch-x86_64/syscalls/epoll_create1.S
index 196a3c7..6aa1915 100644
--- a/libc/arch-x86_64/syscalls/epoll_create1.S
+++ b/libc/arch-x86_64/syscalls/epoll_create1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_create1)
     movl    $__NR_epoll_create1, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/epoll_ctl.S b/libc/arch-x86_64/syscalls/epoll_ctl.S
index 2a3517c..c9dda01 100644
--- a/libc/arch-x86_64/syscalls/epoll_ctl.S
+++ b/libc/arch-x86_64/syscalls/epoll_ctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_ctl)
     movq    %rcx, %r10
     movl    $__NR_epoll_ctl, %eax
diff --git a/libc/arch-x86_64/syscalls/eventfd.S b/libc/arch-x86_64/syscalls/eventfd.S
index 3ed4baf..ac7537f 100644
--- a/libc/arch-x86_64/syscalls/eventfd.S
+++ b/libc/arch-x86_64/syscalls/eventfd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(eventfd)
     movl    $__NR_eventfd2, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/execve.S b/libc/arch-x86_64/syscalls/execve.S
index 1fe29c7..a699303 100644
--- a/libc/arch-x86_64/syscalls/execve.S
+++ b/libc/arch-x86_64/syscalls/execve.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(execve)
     movl    $__NR_execve, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/faccessat.S b/libc/arch-x86_64/syscalls/faccessat.S
index 3ea905c..9426dd5 100644
--- a/libc/arch-x86_64/syscalls/faccessat.S
+++ b/libc/arch-x86_64/syscalls/faccessat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(faccessat)
     movq    %rcx, %r10
     movl    $__NR_faccessat, %eax
diff --git a/libc/arch-x86_64/syscalls/fallocate.S b/libc/arch-x86_64/syscalls/fallocate.S
index abaa303..91a2e65 100644
--- a/libc/arch-x86_64/syscalls/fallocate.S
+++ b/libc/arch-x86_64/syscalls/fallocate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fallocate)
     movq    %rcx, %r10
     movl    $__NR_fallocate, %eax
diff --git a/libc/arch-x86_64/syscalls/fchdir.S b/libc/arch-x86_64/syscalls/fchdir.S
index b01bb57..01c5030 100644
--- a/libc/arch-x86_64/syscalls/fchdir.S
+++ b/libc/arch-x86_64/syscalls/fchdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchdir)
     movl    $__NR_fchdir, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/fchmod.S b/libc/arch-x86_64/syscalls/fchmod.S
index 868638f..1f4d02b 100644
--- a/libc/arch-x86_64/syscalls/fchmod.S
+++ b/libc/arch-x86_64/syscalls/fchmod.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmod)
     movl    $__NR_fchmod, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/fchmodat.S b/libc/arch-x86_64/syscalls/fchmodat.S
index e045a13..cee05e3 100644
--- a/libc/arch-x86_64/syscalls/fchmodat.S
+++ b/libc/arch-x86_64/syscalls/fchmodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmodat)
     movq    %rcx, %r10
     movl    $__NR_fchmodat, %eax
diff --git a/libc/arch-x86_64/syscalls/fchown.S b/libc/arch-x86_64/syscalls/fchown.S
index 9ba775b..1c43991 100644
--- a/libc/arch-x86_64/syscalls/fchown.S
+++ b/libc/arch-x86_64/syscalls/fchown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchown)
     movl    $__NR_fchown, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/fchownat.S b/libc/arch-x86_64/syscalls/fchownat.S
index 7789d2d..8f77888 100644
--- a/libc/arch-x86_64/syscalls/fchownat.S
+++ b/libc/arch-x86_64/syscalls/fchownat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchownat)
     movq    %rcx, %r10
     movl    $__NR_fchownat, %eax
diff --git a/libc/arch-x86_64/syscalls/fcntl.S b/libc/arch-x86_64/syscalls/fcntl.S
index a20d938..d415467 100644
--- a/libc/arch-x86_64/syscalls/fcntl.S
+++ b/libc/arch-x86_64/syscalls/fcntl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fcntl)
     movl    $__NR_fcntl, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/fdatasync.S b/libc/arch-x86_64/syscalls/fdatasync.S
index 5ea8ebd..8ec4193 100644
--- a/libc/arch-x86_64/syscalls/fdatasync.S
+++ b/libc/arch-x86_64/syscalls/fdatasync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fdatasync)
     movl    $__NR_fdatasync, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/fgetxattr.S b/libc/arch-x86_64/syscalls/fgetxattr.S
index 096c30f..9aacdbd 100644
--- a/libc/arch-x86_64/syscalls/fgetxattr.S
+++ b/libc/arch-x86_64/syscalls/fgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fgetxattr)
     movq    %rcx, %r10
     movl    $__NR_fgetxattr, %eax
diff --git a/libc/arch-x86_64/syscalls/flistxattr.S b/libc/arch-x86_64/syscalls/flistxattr.S
index e0e5b8b..53c58d0 100644
--- a/libc/arch-x86_64/syscalls/flistxattr.S
+++ b/libc/arch-x86_64/syscalls/flistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flistxattr)
     movl    $__NR_flistxattr, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/flock.S b/libc/arch-x86_64/syscalls/flock.S
index 981d86e..fe57b47 100644
--- a/libc/arch-x86_64/syscalls/flock.S
+++ b/libc/arch-x86_64/syscalls/flock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flock)
     movl    $__NR_flock, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/fremovexattr.S b/libc/arch-x86_64/syscalls/fremovexattr.S
index 655bdef..c37cc93 100644
--- a/libc/arch-x86_64/syscalls/fremovexattr.S
+++ b/libc/arch-x86_64/syscalls/fremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fremovexattr)
     movl    $__NR_fremovexattr, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/fsetxattr.S b/libc/arch-x86_64/syscalls/fsetxattr.S
index fa2bddc..cc3d7b7 100644
--- a/libc/arch-x86_64/syscalls/fsetxattr.S
+++ b/libc/arch-x86_64/syscalls/fsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsetxattr)
     movq    %rcx, %r10
     movl    $__NR_fsetxattr, %eax
diff --git a/libc/arch-x86_64/syscalls/fstat64.S b/libc/arch-x86_64/syscalls/fstat64.S
index 9e7aa2d..dbc6760 100644
--- a/libc/arch-x86_64/syscalls/fstat64.S
+++ b/libc/arch-x86_64/syscalls/fstat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstat64)
     movl    $__NR_fstat, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/fstatat64.S b/libc/arch-x86_64/syscalls/fstatat64.S
index 5418cd0..28b91fa 100644
--- a/libc/arch-x86_64/syscalls/fstatat64.S
+++ b/libc/arch-x86_64/syscalls/fstatat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatat64)
     movq    %rcx, %r10
     movl    $__NR_newfstatat, %eax
diff --git a/libc/arch-x86_64/syscalls/fstatfs64.S b/libc/arch-x86_64/syscalls/fstatfs64.S
index ee2daa2..4b12afb 100644
--- a/libc/arch-x86_64/syscalls/fstatfs64.S
+++ b/libc/arch-x86_64/syscalls/fstatfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatfs64)
     movl    $__NR_fstatfs, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/fsync.S b/libc/arch-x86_64/syscalls/fsync.S
index 12eabd3..820502e 100644
--- a/libc/arch-x86_64/syscalls/fsync.S
+++ b/libc/arch-x86_64/syscalls/fsync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsync)
     movl    $__NR_fsync, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/ftruncate.S b/libc/arch-x86_64/syscalls/ftruncate.S
index 11161a7..0b14403 100644
--- a/libc/arch-x86_64/syscalls/ftruncate.S
+++ b/libc/arch-x86_64/syscalls/ftruncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate)
     movl    $__NR_ftruncate, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getegid.S b/libc/arch-x86_64/syscalls/getegid.S
index 6f9c2a8..155d37b 100644
--- a/libc/arch-x86_64/syscalls/getegid.S
+++ b/libc/arch-x86_64/syscalls/getegid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getegid)
     movl    $__NR_getegid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/geteuid.S b/libc/arch-x86_64/syscalls/geteuid.S
index 88000ef..9ffa3cd 100644
--- a/libc/arch-x86_64/syscalls/geteuid.S
+++ b/libc/arch-x86_64/syscalls/geteuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(geteuid)
     movl    $__NR_geteuid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getgid.S b/libc/arch-x86_64/syscalls/getgid.S
index 8f8eaa6..d9c9da9 100644
--- a/libc/arch-x86_64/syscalls/getgid.S
+++ b/libc/arch-x86_64/syscalls/getgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgid)
     movl    $__NR_getgid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getgroups.S b/libc/arch-x86_64/syscalls/getgroups.S
index 5358a3e..9f0701a 100644
--- a/libc/arch-x86_64/syscalls/getgroups.S
+++ b/libc/arch-x86_64/syscalls/getgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgroups)
     movl    $__NR_getgroups, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getitimer.S b/libc/arch-x86_64/syscalls/getitimer.S
index b6a6e8e..2d76430 100644
--- a/libc/arch-x86_64/syscalls/getitimer.S
+++ b/libc/arch-x86_64/syscalls/getitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getitimer)
     movl    $__NR_getitimer, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getpeername.S b/libc/arch-x86_64/syscalls/getpeername.S
index 98e06fb..b6de183 100644
--- a/libc/arch-x86_64/syscalls/getpeername.S
+++ b/libc/arch-x86_64/syscalls/getpeername.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpeername)
     movl    $__NR_getpeername, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getpgid.S b/libc/arch-x86_64/syscalls/getpgid.S
index 158f14d..e321b66 100644
--- a/libc/arch-x86_64/syscalls/getpgid.S
+++ b/libc/arch-x86_64/syscalls/getpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpgid)
     movl    $__NR_getpgid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getppid.S b/libc/arch-x86_64/syscalls/getppid.S
index e4853e0..4a238ad 100644
--- a/libc/arch-x86_64/syscalls/getppid.S
+++ b/libc/arch-x86_64/syscalls/getppid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getppid)
     movl    $__NR_getppid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getresgid.S b/libc/arch-x86_64/syscalls/getresgid.S
index d65fb13..4727d29 100644
--- a/libc/arch-x86_64/syscalls/getresgid.S
+++ b/libc/arch-x86_64/syscalls/getresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresgid)
     movl    $__NR_getresgid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getresuid.S b/libc/arch-x86_64/syscalls/getresuid.S
index 80d85c6..1098d56 100644
--- a/libc/arch-x86_64/syscalls/getresuid.S
+++ b/libc/arch-x86_64/syscalls/getresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresuid)
     movl    $__NR_getresuid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getrlimit.S b/libc/arch-x86_64/syscalls/getrlimit.S
index ea0ca7d..60e5881 100644
--- a/libc/arch-x86_64/syscalls/getrlimit.S
+++ b/libc/arch-x86_64/syscalls/getrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrlimit)
     movl    $__NR_getrlimit, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getrusage.S b/libc/arch-x86_64/syscalls/getrusage.S
index 7a60738..0eb0176 100644
--- a/libc/arch-x86_64/syscalls/getrusage.S
+++ b/libc/arch-x86_64/syscalls/getrusage.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrusage)
     movl    $__NR_getrusage, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getsid.S b/libc/arch-x86_64/syscalls/getsid.S
index 75e3fad..2543b10 100644
--- a/libc/arch-x86_64/syscalls/getsid.S
+++ b/libc/arch-x86_64/syscalls/getsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsid)
     movl    $__NR_getsid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getsockname.S b/libc/arch-x86_64/syscalls/getsockname.S
index 3c7c2f8..17cd5ea 100644
--- a/libc/arch-x86_64/syscalls/getsockname.S
+++ b/libc/arch-x86_64/syscalls/getsockname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockname)
     movl    $__NR_getsockname, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getsockopt.S b/libc/arch-x86_64/syscalls/getsockopt.S
index 725757c..988a2cb 100644
--- a/libc/arch-x86_64/syscalls/getsockopt.S
+++ b/libc/arch-x86_64/syscalls/getsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockopt)
     movq    %rcx, %r10
     movl    $__NR_getsockopt, %eax
diff --git a/libc/arch-x86_64/syscalls/getuid.S b/libc/arch-x86_64/syscalls/getuid.S
index d7306e1..9b7a1d9 100644
--- a/libc/arch-x86_64/syscalls/getuid.S
+++ b/libc/arch-x86_64/syscalls/getuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getuid)
     movl    $__NR_getuid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/getxattr.S b/libc/arch-x86_64/syscalls/getxattr.S
index 7c66b0e..4d6aecf 100644
--- a/libc/arch-x86_64/syscalls/getxattr.S
+++ b/libc/arch-x86_64/syscalls/getxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getxattr)
     movq    %rcx, %r10
     movl    $__NR_getxattr, %eax
diff --git a/libc/arch-x86_64/syscalls/init_module.S b/libc/arch-x86_64/syscalls/init_module.S
index 187f5a2..2c51414 100644
--- a/libc/arch-x86_64/syscalls/init_module.S
+++ b/libc/arch-x86_64/syscalls/init_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(init_module)
     movl    $__NR_init_module, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/inotify_add_watch.S b/libc/arch-x86_64/syscalls/inotify_add_watch.S
index 47e15ab..da5aa36 100644
--- a/libc/arch-x86_64/syscalls/inotify_add_watch.S
+++ b/libc/arch-x86_64/syscalls/inotify_add_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_add_watch)
     movl    $__NR_inotify_add_watch, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/inotify_init1.S b/libc/arch-x86_64/syscalls/inotify_init1.S
index 160b0d5..46e5014 100644
--- a/libc/arch-x86_64/syscalls/inotify_init1.S
+++ b/libc/arch-x86_64/syscalls/inotify_init1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_init1)
     movl    $__NR_inotify_init1, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/inotify_rm_watch.S b/libc/arch-x86_64/syscalls/inotify_rm_watch.S
index 4c5874e..5920c9d 100644
--- a/libc/arch-x86_64/syscalls/inotify_rm_watch.S
+++ b/libc/arch-x86_64/syscalls/inotify_rm_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_rm_watch)
     movl    $__NR_inotify_rm_watch, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/kill.S b/libc/arch-x86_64/syscalls/kill.S
index f234585..dff2da6 100644
--- a/libc/arch-x86_64/syscalls/kill.S
+++ b/libc/arch-x86_64/syscalls/kill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(kill)
     movl    $__NR_kill, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/klogctl.S b/libc/arch-x86_64/syscalls/klogctl.S
index 057b066..8560d28 100644
--- a/libc/arch-x86_64/syscalls/klogctl.S
+++ b/libc/arch-x86_64/syscalls/klogctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(klogctl)
     movl    $__NR_syslog, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/lgetxattr.S b/libc/arch-x86_64/syscalls/lgetxattr.S
index 525ee3b..b4bc204 100644
--- a/libc/arch-x86_64/syscalls/lgetxattr.S
+++ b/libc/arch-x86_64/syscalls/lgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lgetxattr)
     movq    %rcx, %r10
     movl    $__NR_lgetxattr, %eax
diff --git a/libc/arch-x86_64/syscalls/linkat.S b/libc/arch-x86_64/syscalls/linkat.S
index 815af86..509b579 100644
--- a/libc/arch-x86_64/syscalls/linkat.S
+++ b/libc/arch-x86_64/syscalls/linkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(linkat)
     movq    %rcx, %r10
     movl    $__NR_linkat, %eax
diff --git a/libc/arch-x86_64/syscalls/listen.S b/libc/arch-x86_64/syscalls/listen.S
index d3d7103..6bd46a5 100644
--- a/libc/arch-x86_64/syscalls/listen.S
+++ b/libc/arch-x86_64/syscalls/listen.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listen)
     movl    $__NR_listen, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/listxattr.S b/libc/arch-x86_64/syscalls/listxattr.S
index 89fd63c..102518f 100644
--- a/libc/arch-x86_64/syscalls/listxattr.S
+++ b/libc/arch-x86_64/syscalls/listxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listxattr)
     movl    $__NR_listxattr, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/llistxattr.S b/libc/arch-x86_64/syscalls/llistxattr.S
index cfff2e7..74d58a8 100644
--- a/libc/arch-x86_64/syscalls/llistxattr.S
+++ b/libc/arch-x86_64/syscalls/llistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(llistxattr)
     movl    $__NR_llistxattr, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/lremovexattr.S b/libc/arch-x86_64/syscalls/lremovexattr.S
index 0b6994a..2566e33 100644
--- a/libc/arch-x86_64/syscalls/lremovexattr.S
+++ b/libc/arch-x86_64/syscalls/lremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lremovexattr)
     movl    $__NR_lremovexattr, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/lseek.S b/libc/arch-x86_64/syscalls/lseek.S
index b2e8c16..93e5f0c 100644
--- a/libc/arch-x86_64/syscalls/lseek.S
+++ b/libc/arch-x86_64/syscalls/lseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lseek)
     movl    $__NR_lseek, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/lsetxattr.S b/libc/arch-x86_64/syscalls/lsetxattr.S
index fdaf98a..905bd3b 100644
--- a/libc/arch-x86_64/syscalls/lsetxattr.S
+++ b/libc/arch-x86_64/syscalls/lsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lsetxattr)
     movq    %rcx, %r10
     movl    $__NR_lsetxattr, %eax
diff --git a/libc/arch-x86_64/syscalls/madvise.S b/libc/arch-x86_64/syscalls/madvise.S
index 3f567fd..c565ca3 100644
--- a/libc/arch-x86_64/syscalls/madvise.S
+++ b/libc/arch-x86_64/syscalls/madvise.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(madvise)
     movl    $__NR_madvise, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/mincore.S b/libc/arch-x86_64/syscalls/mincore.S
index e6b2521..f8acdeb 100644
--- a/libc/arch-x86_64/syscalls/mincore.S
+++ b/libc/arch-x86_64/syscalls/mincore.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mincore)
     movl    $__NR_mincore, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/mkdirat.S b/libc/arch-x86_64/syscalls/mkdirat.S
index abba2d5..b554d12 100644
--- a/libc/arch-x86_64/syscalls/mkdirat.S
+++ b/libc/arch-x86_64/syscalls/mkdirat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mkdirat)
     movl    $__NR_mkdirat, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/mknodat.S b/libc/arch-x86_64/syscalls/mknodat.S
index d3d78c9..dd6496a 100644
--- a/libc/arch-x86_64/syscalls/mknodat.S
+++ b/libc/arch-x86_64/syscalls/mknodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mknodat)
     movq    %rcx, %r10
     movl    $__NR_mknodat, %eax
diff --git a/libc/arch-x86_64/syscalls/mlock.S b/libc/arch-x86_64/syscalls/mlock.S
index 0c69eb7..78389e2 100644
--- a/libc/arch-x86_64/syscalls/mlock.S
+++ b/libc/arch-x86_64/syscalls/mlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlock)
     movl    $__NR_mlock, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/mlockall.S b/libc/arch-x86_64/syscalls/mlockall.S
index 89ba9b6..3ac878a 100644
--- a/libc/arch-x86_64/syscalls/mlockall.S
+++ b/libc/arch-x86_64/syscalls/mlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlockall)
     movl    $__NR_mlockall, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/mmap.S b/libc/arch-x86_64/syscalls/mmap.S
index 7b9f6e0..44189a9 100644
--- a/libc/arch-x86_64/syscalls/mmap.S
+++ b/libc/arch-x86_64/syscalls/mmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mmap)
     movq    %rcx, %r10
     movl    $__NR_mmap, %eax
diff --git a/libc/arch-x86_64/syscalls/mount.S b/libc/arch-x86_64/syscalls/mount.S
index 04534c9..369e8df 100644
--- a/libc/arch-x86_64/syscalls/mount.S
+++ b/libc/arch-x86_64/syscalls/mount.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mount)
     movq    %rcx, %r10
     movl    $__NR_mount, %eax
diff --git a/libc/arch-x86_64/syscalls/mprotect.S b/libc/arch-x86_64/syscalls/mprotect.S
index d849bb1..44888da 100644
--- a/libc/arch-x86_64/syscalls/mprotect.S
+++ b/libc/arch-x86_64/syscalls/mprotect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mprotect)
     movl    $__NR_mprotect, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/mremap.S b/libc/arch-x86_64/syscalls/mremap.S
index 8af367e..74a05e2 100644
--- a/libc/arch-x86_64/syscalls/mremap.S
+++ b/libc/arch-x86_64/syscalls/mremap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mremap)
     movq    %rcx, %r10
     movl    $__NR_mremap, %eax
diff --git a/libc/arch-x86_64/syscalls/msync.S b/libc/arch-x86_64/syscalls/msync.S
index c0ff0f9..1d0e785 100644
--- a/libc/arch-x86_64/syscalls/msync.S
+++ b/libc/arch-x86_64/syscalls/msync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(msync)
     movl    $__NR_msync, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/munlock.S b/libc/arch-x86_64/syscalls/munlock.S
index d669f54..17e368b 100644
--- a/libc/arch-x86_64/syscalls/munlock.S
+++ b/libc/arch-x86_64/syscalls/munlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlock)
     movl    $__NR_munlock, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/munlockall.S b/libc/arch-x86_64/syscalls/munlockall.S
index b7a9abc..6bb7aa6 100644
--- a/libc/arch-x86_64/syscalls/munlockall.S
+++ b/libc/arch-x86_64/syscalls/munlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlockall)
     movl    $__NR_munlockall, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/munmap.S b/libc/arch-x86_64/syscalls/munmap.S
index 4360bd0..f423a66 100644
--- a/libc/arch-x86_64/syscalls/munmap.S
+++ b/libc/arch-x86_64/syscalls/munmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munmap)
     movl    $__NR_munmap, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/nanosleep.S b/libc/arch-x86_64/syscalls/nanosleep.S
index 2eced5b..caa1ae6 100644
--- a/libc/arch-x86_64/syscalls/nanosleep.S
+++ b/libc/arch-x86_64/syscalls/nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(nanosleep)
     movl    $__NR_nanosleep, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/personality.S b/libc/arch-x86_64/syscalls/personality.S
index 17ad7ee..a742dbf 100644
--- a/libc/arch-x86_64/syscalls/personality.S
+++ b/libc/arch-x86_64/syscalls/personality.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(personality)
     movl    $__NR_personality, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/pipe2.S b/libc/arch-x86_64/syscalls/pipe2.S
index 83eb0a6..e34ca69 100644
--- a/libc/arch-x86_64/syscalls/pipe2.S
+++ b/libc/arch-x86_64/syscalls/pipe2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pipe2)
     movl    $__NR_pipe2, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/prctl.S b/libc/arch-x86_64/syscalls/prctl.S
index c79220d..b4cdaa5 100644
--- a/libc/arch-x86_64/syscalls/prctl.S
+++ b/libc/arch-x86_64/syscalls/prctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prctl)
     movq    %rcx, %r10
     movl    $__NR_prctl, %eax
diff --git a/libc/arch-x86_64/syscalls/pread64.S b/libc/arch-x86_64/syscalls/pread64.S
index 1c4dc68..1d042ef 100644
--- a/libc/arch-x86_64/syscalls/pread64.S
+++ b/libc/arch-x86_64/syscalls/pread64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pread64)
     movq    %rcx, %r10
     movl    $__NR_pread64, %eax
diff --git a/libc/arch-x86_64/syscalls/prlimit64.S b/libc/arch-x86_64/syscalls/prlimit64.S
index 823feba..52151a8 100644
--- a/libc/arch-x86_64/syscalls/prlimit64.S
+++ b/libc/arch-x86_64/syscalls/prlimit64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prlimit64)
     movq    %rcx, %r10
     movl    $__NR_prlimit64, %eax
diff --git a/libc/arch-x86_64/syscalls/pwrite64.S b/libc/arch-x86_64/syscalls/pwrite64.S
index 13bcb58..2fb0f16 100644
--- a/libc/arch-x86_64/syscalls/pwrite64.S
+++ b/libc/arch-x86_64/syscalls/pwrite64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pwrite64)
     movq    %rcx, %r10
     movl    $__NR_pwrite64, %eax
diff --git a/libc/arch-x86_64/syscalls/read.S b/libc/arch-x86_64/syscalls/read.S
index 400c87a..3f2862e 100644
--- a/libc/arch-x86_64/syscalls/read.S
+++ b/libc/arch-x86_64/syscalls/read.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(read)
     movl    $__NR_read, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/readahead.S b/libc/arch-x86_64/syscalls/readahead.S
index 2a2978b..df3aba1 100644
--- a/libc/arch-x86_64/syscalls/readahead.S
+++ b/libc/arch-x86_64/syscalls/readahead.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readahead)
     movl    $__NR_readahead, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/readlinkat.S b/libc/arch-x86_64/syscalls/readlinkat.S
index 51d1f0c..554b8b6 100644
--- a/libc/arch-x86_64/syscalls/readlinkat.S
+++ b/libc/arch-x86_64/syscalls/readlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readlinkat)
     movq    %rcx, %r10
     movl    $__NR_readlinkat, %eax
diff --git a/libc/arch-x86_64/syscalls/readv.S b/libc/arch-x86_64/syscalls/readv.S
index 4199751..75d04e9 100644
--- a/libc/arch-x86_64/syscalls/readv.S
+++ b/libc/arch-x86_64/syscalls/readv.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readv)
     movl    $__NR_readv, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/recvfrom.S b/libc/arch-x86_64/syscalls/recvfrom.S
index 61ca1b2..4ee5631 100644
--- a/libc/arch-x86_64/syscalls/recvfrom.S
+++ b/libc/arch-x86_64/syscalls/recvfrom.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvfrom)
     movq    %rcx, %r10
     movl    $__NR_recvfrom, %eax
diff --git a/libc/arch-x86_64/syscalls/recvmmsg.S b/libc/arch-x86_64/syscalls/recvmmsg.S
index ce14ba5..3279325 100644
--- a/libc/arch-x86_64/syscalls/recvmmsg.S
+++ b/libc/arch-x86_64/syscalls/recvmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmmsg)
     movq    %rcx, %r10
     movl    $__NR_recvmmsg, %eax
diff --git a/libc/arch-x86_64/syscalls/recvmsg.S b/libc/arch-x86_64/syscalls/recvmsg.S
index 8655d07..7c186fd 100644
--- a/libc/arch-x86_64/syscalls/recvmsg.S
+++ b/libc/arch-x86_64/syscalls/recvmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmsg)
     movl    $__NR_recvmsg, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/removexattr.S b/libc/arch-x86_64/syscalls/removexattr.S
index 9736463..9091647 100644
--- a/libc/arch-x86_64/syscalls/removexattr.S
+++ b/libc/arch-x86_64/syscalls/removexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(removexattr)
     movl    $__NR_removexattr, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/renameat.S b/libc/arch-x86_64/syscalls/renameat.S
index 0be2ef9..7258712 100644
--- a/libc/arch-x86_64/syscalls/renameat.S
+++ b/libc/arch-x86_64/syscalls/renameat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(renameat)
     movq    %rcx, %r10
     movl    $__NR_renameat, %eax
diff --git a/libc/arch-x86_64/syscalls/sched_get_priority_max.S b/libc/arch-x86_64/syscalls/sched_get_priority_max.S
index 0f92739..604d6c8 100644
--- a/libc/arch-x86_64/syscalls/sched_get_priority_max.S
+++ b/libc/arch-x86_64/syscalls/sched_get_priority_max.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_max)
     movl    $__NR_sched_get_priority_max, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sched_get_priority_min.S b/libc/arch-x86_64/syscalls/sched_get_priority_min.S
index 8450e9d..eaeb765 100644
--- a/libc/arch-x86_64/syscalls/sched_get_priority_min.S
+++ b/libc/arch-x86_64/syscalls/sched_get_priority_min.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_min)
     movl    $__NR_sched_get_priority_min, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sched_getparam.S b/libc/arch-x86_64/syscalls/sched_getparam.S
index a784640..e269c7d 100644
--- a/libc/arch-x86_64/syscalls/sched_getparam.S
+++ b/libc/arch-x86_64/syscalls/sched_getparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getparam)
     movl    $__NR_sched_getparam, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sched_getscheduler.S b/libc/arch-x86_64/syscalls/sched_getscheduler.S
index 090b322..0cf3b54 100644
--- a/libc/arch-x86_64/syscalls/sched_getscheduler.S
+++ b/libc/arch-x86_64/syscalls/sched_getscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getscheduler)
     movl    $__NR_sched_getscheduler, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sched_rr_get_interval.S b/libc/arch-x86_64/syscalls/sched_rr_get_interval.S
index 0977f2e..662a28c 100644
--- a/libc/arch-x86_64/syscalls/sched_rr_get_interval.S
+++ b/libc/arch-x86_64/syscalls/sched_rr_get_interval.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_rr_get_interval)
     movl    $__NR_sched_rr_get_interval, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sched_setaffinity.S b/libc/arch-x86_64/syscalls/sched_setaffinity.S
index af8e7a2..79b43fd 100644
--- a/libc/arch-x86_64/syscalls/sched_setaffinity.S
+++ b/libc/arch-x86_64/syscalls/sched_setaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setaffinity)
     movl    $__NR_sched_setaffinity, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sched_setparam.S b/libc/arch-x86_64/syscalls/sched_setparam.S
index 2964607..871b492 100644
--- a/libc/arch-x86_64/syscalls/sched_setparam.S
+++ b/libc/arch-x86_64/syscalls/sched_setparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setparam)
     movl    $__NR_sched_setparam, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sched_setscheduler.S b/libc/arch-x86_64/syscalls/sched_setscheduler.S
index 333d1b8..0dcb47d 100644
--- a/libc/arch-x86_64/syscalls/sched_setscheduler.S
+++ b/libc/arch-x86_64/syscalls/sched_setscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setscheduler)
     movl    $__NR_sched_setscheduler, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sched_yield.S b/libc/arch-x86_64/syscalls/sched_yield.S
index a972154..12de511 100644
--- a/libc/arch-x86_64/syscalls/sched_yield.S
+++ b/libc/arch-x86_64/syscalls/sched_yield.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_yield)
     movl    $__NR_sched_yield, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sendfile.S b/libc/arch-x86_64/syscalls/sendfile.S
index c1b6497..0255bf2 100644
--- a/libc/arch-x86_64/syscalls/sendfile.S
+++ b/libc/arch-x86_64/syscalls/sendfile.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile)
     movq    %rcx, %r10
     movl    $__NR_sendfile, %eax
diff --git a/libc/arch-x86_64/syscalls/sendmmsg.S b/libc/arch-x86_64/syscalls/sendmmsg.S
index 940c0b6..47b2e3a 100644
--- a/libc/arch-x86_64/syscalls/sendmmsg.S
+++ b/libc/arch-x86_64/syscalls/sendmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmmsg)
     movq    %rcx, %r10
     movl    $__NR_sendmmsg, %eax
diff --git a/libc/arch-x86_64/syscalls/sendmsg.S b/libc/arch-x86_64/syscalls/sendmsg.S
index 6d94bb6..e9eecf6 100644
--- a/libc/arch-x86_64/syscalls/sendmsg.S
+++ b/libc/arch-x86_64/syscalls/sendmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmsg)
     movl    $__NR_sendmsg, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sendto.S b/libc/arch-x86_64/syscalls/sendto.S
index bfe4636..f8cc149 100644
--- a/libc/arch-x86_64/syscalls/sendto.S
+++ b/libc/arch-x86_64/syscalls/sendto.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendto)
     movq    %rcx, %r10
     movl    $__NR_sendto, %eax
diff --git a/libc/arch-x86_64/syscalls/setfsgid.S b/libc/arch-x86_64/syscalls/setfsgid.S
index e9f50b8..bfc9c5d 100644
--- a/libc/arch-x86_64/syscalls/setfsgid.S
+++ b/libc/arch-x86_64/syscalls/setfsgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsgid)
     movl    $__NR_setfsgid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setfsuid.S b/libc/arch-x86_64/syscalls/setfsuid.S
index cfdb86c..2540a36 100644
--- a/libc/arch-x86_64/syscalls/setfsuid.S
+++ b/libc/arch-x86_64/syscalls/setfsuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsuid)
     movl    $__NR_setfsuid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setgid.S b/libc/arch-x86_64/syscalls/setgid.S
index ef4fb31..8f9ce53 100644
--- a/libc/arch-x86_64/syscalls/setgid.S
+++ b/libc/arch-x86_64/syscalls/setgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgid)
     movl    $__NR_setgid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setgroups.S b/libc/arch-x86_64/syscalls/setgroups.S
index 65e6180..81023ab 100644
--- a/libc/arch-x86_64/syscalls/setgroups.S
+++ b/libc/arch-x86_64/syscalls/setgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgroups)
     movl    $__NR_setgroups, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setitimer.S b/libc/arch-x86_64/syscalls/setitimer.S
index bee4996..6882564 100644
--- a/libc/arch-x86_64/syscalls/setitimer.S
+++ b/libc/arch-x86_64/syscalls/setitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setitimer)
     movl    $__NR_setitimer, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setns.S b/libc/arch-x86_64/syscalls/setns.S
index 521769b..15dc51c 100644
--- a/libc/arch-x86_64/syscalls/setns.S
+++ b/libc/arch-x86_64/syscalls/setns.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setns)
     movl    $__NR_setns, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setpgid.S b/libc/arch-x86_64/syscalls/setpgid.S
index 348612b..0cbb9a3 100644
--- a/libc/arch-x86_64/syscalls/setpgid.S
+++ b/libc/arch-x86_64/syscalls/setpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpgid)
     movl    $__NR_setpgid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setpriority.S b/libc/arch-x86_64/syscalls/setpriority.S
index 0940368..e2ee775 100644
--- a/libc/arch-x86_64/syscalls/setpriority.S
+++ b/libc/arch-x86_64/syscalls/setpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpriority)
     movl    $__NR_setpriority, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setregid.S b/libc/arch-x86_64/syscalls/setregid.S
index 0338ecf..1d53e4c 100644
--- a/libc/arch-x86_64/syscalls/setregid.S
+++ b/libc/arch-x86_64/syscalls/setregid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setregid)
     movl    $__NR_setregid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setresgid.S b/libc/arch-x86_64/syscalls/setresgid.S
index 10e1244..7663cc6 100644
--- a/libc/arch-x86_64/syscalls/setresgid.S
+++ b/libc/arch-x86_64/syscalls/setresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresgid)
     movl    $__NR_setresgid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setresuid.S b/libc/arch-x86_64/syscalls/setresuid.S
index 229b11b..96e691f 100644
--- a/libc/arch-x86_64/syscalls/setresuid.S
+++ b/libc/arch-x86_64/syscalls/setresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresuid)
     movl    $__NR_setresuid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setreuid.S b/libc/arch-x86_64/syscalls/setreuid.S
index e96e2d3..9ee7208 100644
--- a/libc/arch-x86_64/syscalls/setreuid.S
+++ b/libc/arch-x86_64/syscalls/setreuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setreuid)
     movl    $__NR_setreuid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setrlimit.S b/libc/arch-x86_64/syscalls/setrlimit.S
index 662587d..393a5c1 100644
--- a/libc/arch-x86_64/syscalls/setrlimit.S
+++ b/libc/arch-x86_64/syscalls/setrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setrlimit)
     movl    $__NR_setrlimit, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setsid.S b/libc/arch-x86_64/syscalls/setsid.S
index 293ecf5..bed06c9 100644
--- a/libc/arch-x86_64/syscalls/setsid.S
+++ b/libc/arch-x86_64/syscalls/setsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsid)
     movl    $__NR_setsid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setsockopt.S b/libc/arch-x86_64/syscalls/setsockopt.S
index aee6613..3c12cd6 100644
--- a/libc/arch-x86_64/syscalls/setsockopt.S
+++ b/libc/arch-x86_64/syscalls/setsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsockopt)
     movq    %rcx, %r10
     movl    $__NR_setsockopt, %eax
diff --git a/libc/arch-x86_64/syscalls/settimeofday.S b/libc/arch-x86_64/syscalls/settimeofday.S
index 0d00c89..317946a 100644
--- a/libc/arch-x86_64/syscalls/settimeofday.S
+++ b/libc/arch-x86_64/syscalls/settimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(settimeofday)
     movl    $__NR_settimeofday, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setuid.S b/libc/arch-x86_64/syscalls/setuid.S
index 19e2a10..8da7d86 100644
--- a/libc/arch-x86_64/syscalls/setuid.S
+++ b/libc/arch-x86_64/syscalls/setuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setuid)
     movl    $__NR_setuid, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/setxattr.S b/libc/arch-x86_64/syscalls/setxattr.S
index 3e4d50b..2abaa76 100644
--- a/libc/arch-x86_64/syscalls/setxattr.S
+++ b/libc/arch-x86_64/syscalls/setxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setxattr)
     movq    %rcx, %r10
     movl    $__NR_setxattr, %eax
diff --git a/libc/arch-x86_64/syscalls/shutdown.S b/libc/arch-x86_64/syscalls/shutdown.S
index 346be33..b5840d7 100644
--- a/libc/arch-x86_64/syscalls/shutdown.S
+++ b/libc/arch-x86_64/syscalls/shutdown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(shutdown)
     movl    $__NR_shutdown, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sigaltstack.S b/libc/arch-x86_64/syscalls/sigaltstack.S
index 271fafc..2dd6aa4 100644
--- a/libc/arch-x86_64/syscalls/sigaltstack.S
+++ b/libc/arch-x86_64/syscalls/sigaltstack.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sigaltstack)
     movl    $__NR_sigaltstack, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/socketpair.S b/libc/arch-x86_64/syscalls/socketpair.S
index 5466dc9..cb32a8a 100644
--- a/libc/arch-x86_64/syscalls/socketpair.S
+++ b/libc/arch-x86_64/syscalls/socketpair.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(socketpair)
     movq    %rcx, %r10
     movl    $__NR_socketpair, %eax
diff --git a/libc/arch-x86_64/syscalls/splice.S b/libc/arch-x86_64/syscalls/splice.S
index 3c245a5..351e1c7 100644
--- a/libc/arch-x86_64/syscalls/splice.S
+++ b/libc/arch-x86_64/syscalls/splice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(splice)
     movq    %rcx, %r10
     movl    $__NR_splice, %eax
diff --git a/libc/arch-x86_64/syscalls/statfs64.S b/libc/arch-x86_64/syscalls/statfs64.S
index 6a2637c..26c3d53 100644
--- a/libc/arch-x86_64/syscalls/statfs64.S
+++ b/libc/arch-x86_64/syscalls/statfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(statfs64)
     movl    $__NR_statfs, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/swapoff.S b/libc/arch-x86_64/syscalls/swapoff.S
index 7e55758..1bf331c 100644
--- a/libc/arch-x86_64/syscalls/swapoff.S
+++ b/libc/arch-x86_64/syscalls/swapoff.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapoff)
     movl    $__NR_swapoff, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/swapon.S b/libc/arch-x86_64/syscalls/swapon.S
index d2f5f66..7405ccb 100644
--- a/libc/arch-x86_64/syscalls/swapon.S
+++ b/libc/arch-x86_64/syscalls/swapon.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapon)
     movl    $__NR_swapon, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/symlinkat.S b/libc/arch-x86_64/syscalls/symlinkat.S
index 5bbf1cb..bea2da8 100644
--- a/libc/arch-x86_64/syscalls/symlinkat.S
+++ b/libc/arch-x86_64/syscalls/symlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(symlinkat)
     movl    $__NR_symlinkat, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sync.S b/libc/arch-x86_64/syscalls/sync.S
index 9911715..97aa427 100644
--- a/libc/arch-x86_64/syscalls/sync.S
+++ b/libc/arch-x86_64/syscalls/sync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sync)
     movl    $__NR_sync, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/sysinfo.S b/libc/arch-x86_64/syscalls/sysinfo.S
index 104bb2c..de8fb8f 100644
--- a/libc/arch-x86_64/syscalls/sysinfo.S
+++ b/libc/arch-x86_64/syscalls/sysinfo.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sysinfo)
     movl    $__NR_sysinfo, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/tee.S b/libc/arch-x86_64/syscalls/tee.S
index ad5698c..41e2370 100644
--- a/libc/arch-x86_64/syscalls/tee.S
+++ b/libc/arch-x86_64/syscalls/tee.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tee)
     movq    %rcx, %r10
     movl    $__NR_tee, %eax
diff --git a/libc/arch-x86_64/syscalls/tgkill.S b/libc/arch-x86_64/syscalls/tgkill.S
index e3b9972..00b2b42 100644
--- a/libc/arch-x86_64/syscalls/tgkill.S
+++ b/libc/arch-x86_64/syscalls/tgkill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tgkill)
     movl    $__NR_tgkill, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/timerfd_create.S b/libc/arch-x86_64/syscalls/timerfd_create.S
index 3f1b23a..eef3208 100644
--- a/libc/arch-x86_64/syscalls/timerfd_create.S
+++ b/libc/arch-x86_64/syscalls/timerfd_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_create)
     movl    $__NR_timerfd_create, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/timerfd_gettime.S b/libc/arch-x86_64/syscalls/timerfd_gettime.S
index b1017ad..9f11c5a 100644
--- a/libc/arch-x86_64/syscalls/timerfd_gettime.S
+++ b/libc/arch-x86_64/syscalls/timerfd_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_gettime)
     movl    $__NR_timerfd_gettime, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/timerfd_settime.S b/libc/arch-x86_64/syscalls/timerfd_settime.S
index 8610a1d..65a17e1 100644
--- a/libc/arch-x86_64/syscalls/timerfd_settime.S
+++ b/libc/arch-x86_64/syscalls/timerfd_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_settime)
     movq    %rcx, %r10
     movl    $__NR_timerfd_settime, %eax
diff --git a/libc/arch-x86_64/syscalls/times.S b/libc/arch-x86_64/syscalls/times.S
index 07590b9..5ee21be 100644
--- a/libc/arch-x86_64/syscalls/times.S
+++ b/libc/arch-x86_64/syscalls/times.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(times)
     movl    $__NR_times, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/truncate.S b/libc/arch-x86_64/syscalls/truncate.S
index db2121f..2dc1793 100644
--- a/libc/arch-x86_64/syscalls/truncate.S
+++ b/libc/arch-x86_64/syscalls/truncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate)
     movl    $__NR_truncate, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/umask.S b/libc/arch-x86_64/syscalls/umask.S
index badea76..ad102bd 100644
--- a/libc/arch-x86_64/syscalls/umask.S
+++ b/libc/arch-x86_64/syscalls/umask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umask)
     movl    $__NR_umask, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/umount2.S b/libc/arch-x86_64/syscalls/umount2.S
index 93e6fa0..31588de 100644
--- a/libc/arch-x86_64/syscalls/umount2.S
+++ b/libc/arch-x86_64/syscalls/umount2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umount2)
     movl    $__NR_umount2, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/uname.S b/libc/arch-x86_64/syscalls/uname.S
index 4b0d1c5..ad2d8f4 100644
--- a/libc/arch-x86_64/syscalls/uname.S
+++ b/libc/arch-x86_64/syscalls/uname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(uname)
     movl    $__NR_uname, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/unlinkat.S b/libc/arch-x86_64/syscalls/unlinkat.S
index f322f7d..e6aac2e 100644
--- a/libc/arch-x86_64/syscalls/unlinkat.S
+++ b/libc/arch-x86_64/syscalls/unlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unlinkat)
     movl    $__NR_unlinkat, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/unshare.S b/libc/arch-x86_64/syscalls/unshare.S
index b5395c1..6594df0 100644
--- a/libc/arch-x86_64/syscalls/unshare.S
+++ b/libc/arch-x86_64/syscalls/unshare.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unshare)
     movl    $__NR_unshare, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/utimensat.S b/libc/arch-x86_64/syscalls/utimensat.S
index f90caf2..5eaac1b 100644
--- a/libc/arch-x86_64/syscalls/utimensat.S
+++ b/libc/arch-x86_64/syscalls/utimensat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(utimensat)
     movq    %rcx, %r10
     movl    $__NR_utimensat, %eax
diff --git a/libc/arch-x86_64/syscalls/vmsplice.S b/libc/arch-x86_64/syscalls/vmsplice.S
index cc94cc6..6f9e5d1 100644
--- a/libc/arch-x86_64/syscalls/vmsplice.S
+++ b/libc/arch-x86_64/syscalls/vmsplice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(vmsplice)
     movq    %rcx, %r10
     movl    $__NR_vmsplice, %eax
diff --git a/libc/arch-x86_64/syscalls/wait4.S b/libc/arch-x86_64/syscalls/wait4.S
index 7948331..141fe19 100644
--- a/libc/arch-x86_64/syscalls/wait4.S
+++ b/libc/arch-x86_64/syscalls/wait4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(wait4)
     movq    %rcx, %r10
     movl    $__NR_wait4, %eax
diff --git a/libc/arch-x86_64/syscalls/write.S b/libc/arch-x86_64/syscalls/write.S
index 7e3a563..498fca7 100644
--- a/libc/arch-x86_64/syscalls/write.S
+++ b/libc/arch-x86_64/syscalls/write.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(write)
     movl    $__NR_write, %eax
     syscall
diff --git a/libc/arch-x86_64/syscalls/writev.S b/libc/arch-x86_64/syscalls/writev.S
index 5fc040a..ef80eb8 100644
--- a/libc/arch-x86_64/syscalls/writev.S
+++ b/libc/arch-x86_64/syscalls/writev.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(writev)
     movl    $__NR_writev, %eax
     syscall
diff --git a/libc/tools/gensyscalls.py b/libc/tools/gensyscalls.py
index 42f2c91..4619ec6 100755
--- a/libc/tools/gensyscalls.py
+++ b/libc/tools/gensyscalls.py
@@ -48,6 +48,8 @@
 """
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(%(func)s)
 """