mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
|
/* Copyright (C) 2002 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
|
||
|
|
|
||
|
|
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>
|
||
|
|
#include <tls.h>
|
||
|
|
|
||
|
|
#if !defined NOT_IN_libc || defined IS_IN_libpthread
|
||
|
|
|
||
|
|
#undef PSEUDO
|
||
|
|
#define PSEUDO(name, syscall_name, args) \
|
||
|
|
.text; \
|
||
|
|
ENTRY (name) \
|
||
|
|
cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \
|
||
|
|
jne L(pseudo_cancel); \
|
||
|
|
DO_CALL (syscall_name, args); \
|
||
|
|
cmpl $-4095, %eax; \
|
||
|
|
jae SYSCALL_ERROR_LABEL; \
|
||
|
|
ret; \
|
||
|
|
L(pseudo_cancel): \
|
||
|
|
call __libc_enable_asynccancel; \
|
||
|
|
SAVE_OLDTYPE_##args \
|
||
|
|
PUSHARGS_##args \
|
||
|
|
DOCARGS_##args \
|
||
|
|
movl $SYS_ify (syscall_name), %eax; \
|
||
|
|
int $0x80 \
|
||
|
|
POPARGS_##args; \
|
||
|
|
POPCARGS_##args \
|
||
|
|
cmpl $-4095, %eax; \
|
||
|
|
jae SYSCALL_ERROR_LABEL; \
|
||
|
|
L(pseudo_end):
|
||
|
|
|
||
|
|
#define SAVE_OLDTYPE_0 movl %eax, %ecx;
|
||
|
|
#define SAVE_OLDTYPE_1 SAVE_OLDTYPE_0
|
||
|
|
#define SAVE_OLDTYPE_2 pushl %eax;
|
||
|
|
#define SAVE_OLDTYPE_3 SAVE_OLDTYPE_2
|
||
|
|
#define SAVE_OLDTYPE_4 SAVE_OLDTYPE_2
|
||
|
|
#define SAVE_OLDTYPE_5 SAVE_OLDTYPE_2
|
||
|
|
|
||
|
|
#define DOCARGS_0 DOARGS_0
|
||
|
|
#define DOCARGS_1 DOARGS_1
|
||
|
|
#define DOCARGS_2 _DOARGS_2 (12)
|
||
|
|
#define DOCARGS_3 _DOARGS_3 (20)
|
||
|
|
#define DOCARGS_4 _DOARGS_4 (28)
|
||
|
|
#define DOCARGS_5 _DOARGS_5 (36)
|
||
|
|
|
||
|
|
#define DISABLE call __libc_disable_asynccancel
|
||
|
|
#define POPCARGS_0 pushl %eax; movl %ecx, %eax; DISABLE; popl %eax;
|
||
|
|
#define POPCARGS_1 POPCARGS_0
|
||
|
|
#define POPCARGS_2 xchgl (%esp), %eax; DISABLE; popl %eax;
|
||
|
|
#define POPCARGS_3 POPCARGS_2
|
||
|
|
#define POPCARGS_4 POPCARGS_2
|
||
|
|
#define POPCARGS_5 POPCARGS_2
|
||
|
|
|
||
|
|
#endif
|