mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-28 23:34:53 +03:00
47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/* System-specific settings for dynamic linker code. i386 version.
|
|
Copyright (C) 2002-2014 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _LINUX_I386_DL_SYSDEP_H
|
|
|
|
#include_next <dl-sysdep.h>
|
|
|
|
/* Traditionally system calls have been made using int $0x80. A
|
|
second method was introduced which, if possible, will use the
|
|
sysenter/syscall instructions. To signal the presence and where to
|
|
find the code the kernel passes an AT_SYSINFO value in the
|
|
auxiliary vector to the application. */
|
|
#define NEED_DL_SYSINFO 1
|
|
|
|
#ifndef __ASSEMBLER__
|
|
extern void _dl_sysinfo_int80 (void) attribute_hidden;
|
|
# define DL_SYSINFO_DEFAULT (uintptr_t) _dl_sysinfo_int80
|
|
# define DL_SYSINFO_IMPLEMENTATION \
|
|
asm (".text\n\t" \
|
|
".type _dl_sysinfo_int80,@function\n\t" \
|
|
".hidden _dl_sysinfo_int80\n" \
|
|
CFI_STARTPROC "\n" \
|
|
"_dl_sysinfo_int80:\n\t" \
|
|
"int $0x80;\n\t" \
|
|
"ret;\n\t" \
|
|
CFI_ENDPROC "\n" \
|
|
".size _dl_sysinfo_int80,.-_dl_sysinfo_int80\n\t" \
|
|
".previous");
|
|
#endif
|
|
|
|
#endif /* dl-sysdep.h */
|