Ensure we have the off64_t variant of every function that takes an off_t.

Change-Id: Ib2eee0cf13162be3b62559b84e90c6dcf5aab1c3
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 252a428..33e520f 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -84,6 +84,7 @@
 syscall_src += arch-arm/syscalls/__fcntl64.S
 syscall_src += arch-arm/syscalls/__fstatfs64.S
 syscall_src += arch-arm/syscalls/sendfile.S
+syscall_src += arch-arm/syscalls/sendfile64.S
 syscall_src += arch-arm/syscalls/fstatat.S
 syscall_src += arch-arm/syscalls/mkdirat.S
 syscall_src += arch-arm/syscalls/fchownat.S
@@ -116,6 +117,7 @@
 syscall_src += arch-arm/syscalls/symlink.S
 syscall_src += arch-arm/syscalls/fchdir.S
 syscall_src += arch-arm/syscalls/truncate.S
+syscall_src += arch-arm/syscalls/truncate64.S
 syscall_src += arch-arm/syscalls/setxattr.S
 syscall_src += arch-arm/syscalls/lsetxattr.S
 syscall_src += arch-arm/syscalls/getxattr.S
diff --git a/libc/arch-arm/syscalls/sendfile64.S b/libc/arch-arm/syscalls/sendfile64.S
new file mode 100644
index 0000000..87de344
--- /dev/null
+++ b/libc/arch-arm/syscalls/sendfile64.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(sendfile64)
+    mov     ip, r7
+    ldr     r7, =__NR_sendfile64
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(sendfile64)
diff --git a/libc/arch-arm/syscalls/truncate64.S b/libc/arch-arm/syscalls/truncate64.S
new file mode 100644
index 0000000..059bd97
--- /dev/null
+++ b/libc/arch-arm/syscalls/truncate64.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(truncate64)
+    mov     ip, r7
+    ldr     r7, =__NR_truncate64
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(truncate64)