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glibc  2.9
dl-sysdep.h
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00001 /* System-specific settings for dynamic linker code.  IA-64 version.
00002    Copyright (C) 2003, 2004 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #ifndef _DL_SYSDEP_H
00021 #define _DL_SYSDEP_H 1
00022 
00023 #define NEED_DL_SYSINFO     1
00024 #undef USE_DL_SYSINFO
00025 
00026 #if defined NEED_DL_SYSINFO && !defined __ASSEMBLER__
00027 /* Don't declare this as a function---we want it's entry-point, not
00028    it's function descriptor... */
00029 extern int _dl_sysinfo_break attribute_hidden;
00030 # define DL_SYSINFO_DEFAULT ((uintptr_t) &_dl_sysinfo_break)
00031 # define DL_SYSINFO_IMPLEMENTATION        \
00032   asm (".text\n\t"                        \
00033        ".hidden _dl_sysinfo_break\n\t"           \
00034        ".proc _dl_sysinfo_break\n\t"             \
00035        "_dl_sysinfo_break:\n\t"                  \
00036        ".prologue\n\t"                           \
00037        ".altrp b6\n\t"                           \
00038        ".body\n\t"                        \
00039        "break 0x100000;\n\t"                     \
00040        "br.ret.sptk.many b6;\n\t"         \
00041        ".endp _dl_sysinfo_break"          \
00042        ".previous");
00043 #endif
00044 
00045 /* _dl_argv cannot be attribute_relro, because _dl_start_user
00046    might write into it after _dl_start returns.  */
00047 #define DL_ARGV_NOT_RELRO 1
00048 
00049 #endif /* dl-sysdep.h */