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/* Definitions for ia64-linux target.
 
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2006,
2009 Free Software Foundation, Inc.
 
This file is part of GCC.
 
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
 
GCC 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 General Public License
for more details.
 
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
 
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */
 
/* This macro is a C statement to print on `stderr' a string describing the
   particular machine description choice.  */
 
#define TARGET_VERSION fprintf (stderr, " (IA-64) Linux");
 
/* This is for -profile to use -lc_p instead of -lc.  */
#undef CC1_SPEC
#define CC1_SPEC "%{profile:-p} %{G*}"
 
/* Target OS builtins.  */
#define TARGET_OS_CPP_BUILTINS()		\
do {						\
	LINUX_TARGET_OS_CPP_BUILTINS();		\
	builtin_define("_LONGLONG");		\
} while (0)
 
/* Need to override linux.h STARTFILE_SPEC, since it has crtbeginT.o in.  */
#undef STARTFILE_SPEC
#ifdef HAVE_LD_PIE
#define STARTFILE_SPEC \
  "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
   crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
#else
#define STARTFILE_SPEC \
  "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}}\
   crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
#endif
 
/* Similar to standard Linux, but adding -ffast-math support.  */
#undef  ENDFILE_SPEC
#define ENDFILE_SPEC \
  "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 
/* Define this for shared library support because it isn't in the main
   linux.h file.  */
 
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-ia64.so.2"
 
#undef LINK_SPEC
#define LINK_SPEC "\
  %{shared:-shared} \
  %{!shared: \
    %{!static: \
      %{rdynamic:-export-dynamic} \
      %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
      %{static:-static}}"
 
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
 
#define JMP_BUF_SIZE  76
 
/* Override linux.h LINK_EH_SPEC definition.
   Signalize that because we have fde-glibc, we don't need all C shared libs
   linked against -lgcc_s.  */
#undef LINK_EH_SPEC
#define LINK_EH_SPEC ""
 
#define MD_UNWIND_SUPPORT "config/ia64/linux-unwind.h"
 
/* Put all *tf routines in libgcc.  */
#undef LIBGCC2_HAS_TF_MODE
#define LIBGCC2_HAS_TF_MODE 1
#undef LIBGCC2_TF_CEXT
#define LIBGCC2_TF_CEXT q
#define TF_SIZE 113
 
#undef TARGET_INIT_LIBFUNCS
#define TARGET_INIT_LIBFUNCS ia64_soft_fp_init_libfuncs