generic-library/bionic
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

libc: add swapon and swapoff syscalls

Browse Source 
Change-Id: Ie79dc8e3f2ff1cd427dd6d95e3850920c4b407b0
Signed-off-by: Rom Lemarchand <romlem@google.com>
This commit is contained in:
Rom Lemarchand 2013-06-06 14:29:40 -07:00
parent 7d624e9aff
commit d206b560e7
11 changed files with 168 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libc/SYSCALLS.TXT
View File

@ -201,6 +201,8 @@ int removexattr(const char *, const char *) 1
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

2
libc/arch-arm/syscalls.mk
View File

@ -126,6 +126,8 @@ syscall_src += arch-arm/syscalls/removexattr.S
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

15
libc/arch-arm/syscalls/swapoff.S Normal file
View File

@ -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)

15
libc/arch-arm/syscalls/swapon.S Normal file
View File

@ -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)

2
libc/arch-mips/syscalls.mk
View File

@ -129,6 +129,8 @@ syscall_src += arch-mips/syscalls/removexattr.S
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

22
libc/arch-mips/syscalls/swapoff.S Normal file
View File

@ -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

22
libc/arch-mips/syscalls/swapon.S Normal file
View File

@ -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

2
libc/arch-x86/syscalls.mk
View File

@ -130,6 +130,8 @@ syscall_src += arch-x86/syscalls/removexattr.S
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

21
libc/arch-x86/syscalls/swapoff.S Normal file
View File

@ -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)

24
libc/arch-x86/syscalls/swapon.S Normal file
View File

@ -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)

41
libc/include/sys/swap.h Normal file
View File

@ -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_ */