glibc/sysdeps/unix/sysv/linux/i386/epoll_pwait.S

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/* Copyright (C) 2007 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>
#define _ERRNO_H
#include <bits/errno.h>
#define _SIGNAL_H
#include <bits/signum.h>
.text
ENTRY (epoll_pwait)
#ifdef __NR_epoll_pwait
/* Save registers. */
pushl %ebp
cfi_adjust_cfa_offset (4)
pushl %ebx
cfi_adjust_cfa_offset (4)
pushl %esi
cfi_adjust_cfa_offset (4)
pushl %edi
cfi_adjust_cfa_offset (4)
cfi_rel_offset (edi, 0)
cfi_rel_offset (esi, 4)
cfi_rel_offset (ebx, 8)
cfi_rel_offset (ebp, 12)
movl 20(%esp), %ebx
movl 24(%esp), %ecx
movl 28(%esp), %edx
movl 32(%esp), %esi
movl 36(%esp), %edi
movl $_NSIG/8, %ebp
movl $__NR_epoll_pwait, %eax
ENTER_KERNEL
/* Restore registers. */
popl %edi
cfi_adjust_cfa_offset (-4)
cfi_restore (edi)
popl %esi
cfi_adjust_cfa_offset (-4)
cfi_restore (esi)
popl %ebx
cfi_adjust_cfa_offset (-4)
cfi_restore (ebx)
popl %ebp
cfi_adjust_cfa_offset (-4)
cfi_restore (ebp)
/* If 0 > %eax > -4096 there was an error. */
cmpl $-4096, %eax
ja SYSCALL_ERROR_LABEL
/* Successful; return the syscall's value. */
#else
movl $-ENOSYS, %eax
jmp SYSCALL_ERROR_LABEL
#endif
L(pseudo_end):
ret
PSEUDO_END (epoll_pwait)