| /* 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 */ |
