/* System-specific settings for dynamic linker code.  IA-64 version.

   Copyright (C) 2003-2018 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 */