libc: add swapon and swapoff syscalls
Change-Id: Ie79dc8e3f2ff1cd427dd6d95e3850920c4b407b0
Signed-off-by: Rom Lemarchand <romlem@google.com>
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index ac04e51..88c980f 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -201,6 +201,8 @@
int lremovexattr(const char *, const char *) 1
int __statfs64:statfs64(const char *, size_t, struct statfs *) 1
long unshare(unsigned long) 1
+int swapon(const char *, int) 1
+int swapoff(const char *) 1
# time
int pause () 1
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 3c8f204..252a428 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -126,6 +126,8 @@
syscall_src += arch-arm/syscalls/lremovexattr.S
syscall_src += arch-arm/syscalls/__statfs64.S
syscall_src += arch-arm/syscalls/unshare.S
+syscall_src += arch-arm/syscalls/swapon.S
+syscall_src += arch-arm/syscalls/swapoff.S
syscall_src += arch-arm/syscalls/pause.S
syscall_src += arch-arm/syscalls/gettimeofday.S
syscall_src += arch-arm/syscalls/settimeofday.S
diff --git a/libc/arch-arm/syscalls/swapoff.S b/libc/arch-arm/syscalls/swapoff.S
new file mode 100644
index 0000000..070d160
--- /dev/null
+++ b/libc/arch-arm/syscalls/swapoff.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(swapoff)
+ mov ip, r7
+ ldr r7, =__NR_swapoff
+ swi #0
+ mov r7, ip
+ cmn r0, #(MAX_ERRNO + 1)
+ bxls lr
+ neg r0, r0
+ b __set_errno
+END(swapoff)
diff --git a/libc/arch-arm/syscalls/swapon.S b/libc/arch-arm/syscalls/swapon.S
new file mode 100644
index 0000000..a77e0cd
--- /dev/null
+++ b/libc/arch-arm/syscalls/swapon.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(swapon)
+ mov ip, r7
+ ldr r7, =__NR_swapon
+ swi #0
+ mov r7, ip
+ cmn r0, #(MAX_ERRNO + 1)
+ bxls lr
+ neg r0, r0
+ b __set_errno
+END(swapon)
diff --git a/libc/arch-mips/syscalls.mk b/libc/arch-mips/syscalls.mk
index d3096bc..23393a2 100644
--- a/libc/arch-mips/syscalls.mk
+++ b/libc/arch-mips/syscalls.mk
@@ -129,6 +129,8 @@
syscall_src += arch-mips/syscalls/lremovexattr.S
syscall_src += arch-mips/syscalls/__statfs64.S
syscall_src += arch-mips/syscalls/unshare.S
+syscall_src += arch-mips/syscalls/swapon.S
+syscall_src += arch-mips/syscalls/swapoff.S
syscall_src += arch-mips/syscalls/pause.S
syscall_src += arch-mips/syscalls/gettimeofday.S
syscall_src += arch-mips/syscalls/settimeofday.S
diff --git a/libc/arch-mips/syscalls/swapoff.S b/libc/arch-mips/syscalls/swapoff.S
new file mode 100644
index 0000000..4f204c9
--- /dev/null
+++ b/libc/arch-mips/syscalls/swapoff.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+ .text
+ .globl swapoff
+ .align 4
+ .ent swapoff
+
+swapoff:
+ .set noreorder
+ .cpload $t9
+ li $v0, __NR_swapoff
+ syscall
+ bnez $a3, 1f
+ move $a0, $v0
+ j $ra
+ nop
+1:
+ la $t9,__set_errno
+ j $t9
+ nop
+ .set reorder
+ .end swapoff
diff --git a/libc/arch-mips/syscalls/swapon.S b/libc/arch-mips/syscalls/swapon.S
new file mode 100644
index 0000000..af3dda6
--- /dev/null
+++ b/libc/arch-mips/syscalls/swapon.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+ .text
+ .globl swapon
+ .align 4
+ .ent swapon
+
+swapon:
+ .set noreorder
+ .cpload $t9
+ li $v0, __NR_swapon
+ syscall
+ bnez $a3, 1f
+ move $a0, $v0
+ j $ra
+ nop
+1:
+ la $t9,__set_errno
+ j $t9
+ nop
+ .set reorder
+ .end swapon
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index 31eb930..11573de 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -130,6 +130,8 @@
syscall_src += arch-x86/syscalls/lremovexattr.S
syscall_src += arch-x86/syscalls/__statfs64.S
syscall_src += arch-x86/syscalls/unshare.S
+syscall_src += arch-x86/syscalls/swapon.S
+syscall_src += arch-x86/syscalls/swapoff.S
syscall_src += arch-x86/syscalls/pause.S
syscall_src += arch-x86/syscalls/gettimeofday.S
syscall_src += arch-x86/syscalls/settimeofday.S
diff --git a/libc/arch-x86/syscalls/swapoff.S b/libc/arch-x86/syscalls/swapoff.S
new file mode 100644
index 0000000..f2d6ddb
--- /dev/null
+++ b/libc/arch-x86/syscalls/swapoff.S
@@ -0,0 +1,21 @@
+/* autogenerated by gensyscalls.py */
+#include <linux/err.h>
+#include <machine/asm.h>
+#include <asm/unistd.h>
+
+ENTRY(swapoff)
+ pushl %ebx
+ mov 8(%esp), %ebx
+ movl $__NR_swapoff, %eax
+ int $0x80
+ cmpl $-MAX_ERRNO, %eax
+ jb 1f
+ negl %eax
+ pushl %eax
+ call __set_errno
+ addl $4, %esp
+ orl $-1, %eax
+1:
+ popl %ebx
+ ret
+END(swapoff)
diff --git a/libc/arch-x86/syscalls/swapon.S b/libc/arch-x86/syscalls/swapon.S
new file mode 100644
index 0000000..08602fb
--- /dev/null
+++ b/libc/arch-x86/syscalls/swapon.S
@@ -0,0 +1,24 @@
+/* autogenerated by gensyscalls.py */
+#include <linux/err.h>
+#include <machine/asm.h>
+#include <asm/unistd.h>
+
+ENTRY(swapon)
+ pushl %ebx
+ pushl %ecx
+ mov 12(%esp), %ebx
+ mov 16(%esp), %ecx
+ movl $__NR_swapon, %eax
+ int $0x80
+ cmpl $-MAX_ERRNO, %eax
+ jb 1f
+ negl %eax
+ pushl %eax
+ call __set_errno
+ addl $4, %esp
+ orl $-1, %eax
+1:
+ popl %ecx
+ popl %ebx
+ ret
+END(swapon)
diff --git a/libc/include/sys/swap.h b/libc/include/sys/swap.h
new file mode 100644
index 0000000..85627f9
--- /dev/null
+++ b/libc/include/sys/swap.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _SYS_SWAP_H_
+#define _SYS_SWAP_H_
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+extern int swapon(const char *, int) __attribute__((__nonnull__(1)));
+extern int swapoff(const char *) __attribute__((__nonnull__(1)));
+
+__END_DECLS
+
+#endif /* _SYS_SWAP_H_ */