diff options
author | Jakub Jelinek <jakub@redhat.com> | 2007-05-21 20:01:15 +0000 |
---|---|---|
committer | Jakub Jelinek <jakub@redhat.com> | 2007-05-21 20:01:15 +0000 |
commit | 75831cc48d3fef9b0bb247aabbcdaceef85efa23 (patch) | |
tree | 49952b4916fa5d21f944970fa0ff5392742e9378 /sysdeps/unix/sysv/linux/i386/epoll_pwait.S | |
parent | 473e6b3f8fcf9c937d5a85da70b95f5c13f4a28f (diff) |
Backported selected fixes from 2007-05-{17,18,21}.cvs/fedora-glibc-2_6-2
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/epoll_pwait.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/epoll_pwait.S | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/epoll_pwait.S b/sysdeps/unix/sysv/linux/i386/epoll_pwait.S new file mode 100644 index 0000000000..5f51db229f --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/epoll_pwait.S @@ -0,0 +1,80 @@ +/* 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) |