| /* System-specific settings for dynamic linker code. IA-64 version. |
| Copyright (C) 2003-2014 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_IA64_DL_SYSDEP_H |
| #define _LINUX_IA64_DL_SYSDEP_H 1 |
| |
| #include_next <dl-sysdep.h> |
| |
| /* Traditionally system calls have been made using break 0x100000. A |
| second method was introduced which, if possible, will use the EPC |
| instruction. To signal the presence and where to find the code the |
| kernel passes an AT_SYSINFO_EHDR pointer in the auxiliary vector to |
| the application. */ |
| #define NEED_DL_SYSINFO 1 |
| #define USE_DL_SYSINFO 1 |
| |
| #ifndef __ASSEMBLER__ |
| /* Don't declare this as a function---we want it's entry-point, not |
| it's function descriptor... */ |
| extern int _dl_sysinfo_break attribute_hidden; |
| # define DL_SYSINFO_DEFAULT ((uintptr_t) &_dl_sysinfo_break) |
| # define DL_SYSINFO_IMPLEMENTATION \ |
| asm (".text\n\t" \ |
| ".hidden _dl_sysinfo_break\n\t" \ |
| ".proc _dl_sysinfo_break\n\t" \ |
| "_dl_sysinfo_break:\n\t" \ |
| ".prologue\n\t" \ |
| ".altrp b6\n\t" \ |
| ".body\n\t" \ |
| "break 0x100000;\n\t" \ |
| "br.ret.sptk.many b6;\n\t" \ |
| ".endp _dl_sysinfo_break\n\t" \ |
| ".previous"); |
| #endif |
| |
| /* _dl_argv cannot be attribute_relro, because _dl_start_user |
| might write into it after _dl_start returns. */ |
| #define DL_ARGV_NOT_RELRO 1 |
| |
| #endif /* dl-sysdep.h */ |
