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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