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/* Copyright (C) 1993, 1995-1998, 2002, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
.text;
ENTRY (__syscall)
popl %ecx /* Pop return address into %ecx. */
popl %eax /* Pop syscall number into %eax. */
pushl %ecx /* Push back return adderss. */
int $0x91 /* Do the system call. */
pushl %ecx /* Push back return address. */
jb SYSCALL_ERROR_LABEL; /* Jump to error handler if error. */
L(pseudo_end):
ret /* Return to caller. */
PSEUDO_END (__syscall)
weak_alias (__syscall, syscall)
.text;
ENTRY (__systemcall)
popl %edx /* Pop return address into %edx. */
popl %ecx /* Pop sysret_t into %ecx. */
popl %eax /* Pop syscall number into %eax. */
pushl %edx /* Push return address onto stack. */
int $0x91 /* Do the system call. */
pushl %ecx /* Restore sysret_t on stack. */
movl 4(%esp), %edx /* Save return address into %edx. */
pushl %edx /* Restore return address on stack. */
jb 1f /* Jump to error handler if error. */
movl %eax, 0(%ecx) /* Set first 4 bytes of sysret_t. */
movl %edx, 4(%ecx) /* Set second 4 bytes of sysret_t. */
xorl %eax, %eax /* Set return to 0. */
1:
ret
PSEUDO_END (__systemcall)
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