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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [config/] [mips/] [iris.h] - Blame information for rev 816

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/* Definitions of target machine for GNU compiler.  Generic IRIX version.
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   Copyright (C) 1993, 1995, 1996, 1998, 2000,
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   2001, 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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/* We are compiling for IRIX now.  */
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#undef TARGET_IRIX
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#define TARGET_IRIX 1
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/* The size in bytes of a DWARF field indicating an offset or length
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   relative to a debug info section, specified to be 4 bytes in the DWARF-2
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   specification.  The SGI/MIPS ABI defines it to be the same as PTR_SIZE.  */
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#define DWARF_OFFSET_SIZE PTR_SIZE
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/* The size in bytes of the initial length field in a debug info
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   section.  The DWARF 3 (draft) specification defines this to be
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   either 4 or 12 (with a 4-byte "escape" word when it's 12), but the
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   SGI/MIPS ABI predates this standard and defines it to be the same
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   as DWARF_OFFSET_SIZE.  */
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#define DWARF_INITIAL_LENGTH_SIZE DWARF_OFFSET_SIZE
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/* MIPS assemblers don't have the usual .set foo,bar construct;
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   .set is used for assembler options instead.  */
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#undef SET_ASM_OP
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#define ASM_OUTPUT_DEF(FILE, LABEL1, LABEL2)                    \
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  do                                                            \
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    {                                                           \
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      fputc ('\t', FILE);                                       \
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      assemble_name (FILE, LABEL1);                             \
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      fputs (" = ", FILE);                                      \
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      assemble_name (FILE, LABEL2);                             \
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      fputc ('\n', FILE);                                       \
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    }                                                           \
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  while (0)
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/* The MIPSpro o32 linker warns about not linking .comment sections.  */
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#undef IDENT_ASM_OP
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX (TARGET_NEWABI ? "." : "$")
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#undef ASM_DECLARE_OBJECT_NAME
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#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name
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#undef ASM_FINISH_DECLARE_OBJECT
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#define ASM_FINISH_DECLARE_OBJECT mips_finish_declare_object
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/* Also do this for libcalls.  */
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#undef TARGET_ASM_EXTERNAL_LIBCALL
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#define TARGET_ASM_EXTERNAL_LIBCALL irix_output_external_libcall
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/* The linker needs a space after "-o".  */
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#define SWITCHES_NEED_SPACES "o"
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/* Specify wchar_t types.  */
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#undef WCHAR_TYPE
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#define WCHAR_TYPE (Pmode == DImode ? "int" : "long int")
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE INT_TYPE_SIZE
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/* Same for wint_t.  */
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#undef WINT_TYPE
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#define WINT_TYPE (Pmode == DImode ? "int" : "long int")
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#undef WINT_TYPE_SIZE
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#define WINT_TYPE_SIZE 32
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/* Plain char is unsigned in the SGI compiler.  */
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#undef DEFAULT_SIGNED_CHAR
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#define DEFAULT_SIGNED_CHAR 0
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#define WORD_SWITCH_TAKES_ARG(STR)                      \
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  (DEFAULT_WORD_SWITCH_TAKES_ARG (STR)                  \
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   || strcmp (STR, "rpath") == 0)
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#define TARGET_OS_CPP_BUILTINS()                                \
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  do                                                            \
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    {                                                           \
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      builtin_define_std ("host_mips");                         \
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      builtin_define_std ("sgi");                               \
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      builtin_define_std ("unix");                              \
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      builtin_define_std ("SYSTYPE_SVR4");                      \
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      builtin_define ("_MODERN_C");                             \
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      builtin_define ("_SVR4_SOURCE");                          \
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      builtin_define ("__DSO__");                               \
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      builtin_assert ("system=unix");                           \
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      builtin_assert ("system=svr4");                           \
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      builtin_assert ("machine=sgi");                           \
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                                                                \
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      if (mips_abi == ABI_32)                                   \
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        {                                                       \
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          builtin_define ("_ABIO32=1");                         \
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          builtin_define ("_MIPS_SIM=_ABIO32");                 \
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          builtin_define ("_MIPS_SZINT=32");                    \
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          builtin_define ("_MIPS_SZLONG=32");                   \
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          builtin_define ("_MIPS_SZPTR=32");                    \
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        }                                                       \
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      else if (mips_abi == ABI_64)                              \
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        {                                                       \
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          builtin_define ("_ABI64=3");                          \
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          builtin_define ("_MIPS_SIM=_ABI64");                  \
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          builtin_define ("_MIPS_SZINT=32");                    \
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          builtin_define ("_MIPS_SZLONG=64");                   \
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          builtin_define ("_MIPS_SZPTR=64");                    \
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        }                                                       \
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      else                                                      \
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        {                                                       \
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          builtin_define ("_ABIN32=2");                         \
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          builtin_define ("_MIPS_SIM=_ABIN32");                 \
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          builtin_define ("_MIPS_SZINT=32");                    \
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          builtin_define ("_MIPS_SZLONG=32");                   \
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          builtin_define ("_MIPS_SZPTR=32");                    \
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        }                                                       \
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                                                                \
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      if (!ISA_MIPS1 && !ISA_MIPS2)                             \
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        builtin_define ("_COMPILER_VERSION=601");               \
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                                                                \
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      if (!TARGET_FLOAT64)                                      \
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        builtin_define ("_MIPS_FPSET=16");                      \
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      else                                                      \
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        builtin_define ("_MIPS_FPSET=32");                      \
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                                                                \
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      /* We must always define _LONGLONG, even when -ansi is    \
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         used, because IRIX 5 system header files require it.   \
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         This is OK, because gcc never warns when long long     \
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         is used in system header files.                        \
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                                                                \
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         An alternative would be to support the SGI builtin     \
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         type __long_long.  */                                  \
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      builtin_define ("_LONGLONG");                             \
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                                                                \
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      /* IRIX 6.5.18 and above provide many ISO C99             \
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         features protected by the __c99 macro.                 \
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         libstdc++ v3 needs them as well.  */                   \
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      if (TARGET_IRIX6)                                         \
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        if (flag_isoc99 || c_dialect_cxx ())                    \
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          builtin_define ("__c99");                             \
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                                                                \
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      /* The GNU C++ standard library requires that             \
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         __EXTENSIONS__ and _SGI_SOURCE be defined on at        \
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         least IRIX 6.2 and probably all IRIX 6 prior to 6.5.   \
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         We don't need this on IRIX 6.5 itself, but it          \
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         shouldn't hurt other than the namespace pollution.  */ \
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      if (!flag_iso || (TARGET_IRIX6 && c_dialect_cxx ()))      \
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        {                                                       \
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          builtin_define ("__EXTENSIONS__");                    \
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          builtin_define ("_SGI_SOURCE");                       \
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        }                                                       \
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    }                                                           \
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  while (0)
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#undef SUBTARGET_CC1_SPEC
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#define SUBTARGET_CC1_SPEC "%{static: -mno-abicalls}"
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#undef INIT_SECTION_ASM_OP
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#define INIT_SECTION_ASM_OP "\t.section\t.gcc_init,\"ax\",@progbits"
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#undef FINI_SECTION_ASM_OP
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#define FINI_SECTION_ASM_OP "\t.section\t.gcc_fini,\"ax\",@progbits"
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#ifdef IRIX_USING_GNU_LD
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#define IRIX_NO_UNRESOLVED ""
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#else
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#define IRIX_NO_UNRESOLVED "-no_unresolved"
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#endif
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/* Generic part of the LINK_SPEC.  */
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#undef LINK_SPEC
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#define LINK_SPEC "\
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%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
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%{bestGnum} %{shared} %{non_shared} \
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%{call_shared} %{no_archive} %{exact_version} \
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%{!shared: \
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  %{!non_shared: %{!call_shared:%{!r: -call_shared " IRIX_NO_UNRESOLVED "}}}} \
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%{rpath} -init __gcc_init -fini __gcc_fini " IRIX_SUBTARGET_LINK_SPEC
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/* A linker error can empirically be avoided by removing duplicate
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   library search directories.  */
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#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 1
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/* Add -g to mips.h default to avoid confusing gas with local symbols
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   generated from stabs info.  */
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#undef NM_FLAGS
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#define NM_FLAGS "-Bng"
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/* The system header files are C++ aware.  */
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/* ??? Unfortunately, most but not all of the headers are C++ aware.
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   Specifically, curses.h is not, and as a consequence, defining this
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   used to prevent libg++ building.  This is no longer the case so
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   define it again to prevent other problems, e.g. with getopt in
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   unistd.h.  We still need some way to fix just those files that need
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   fixing.  */
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#define NO_IMPLICIT_EXTERN_C 1
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/* -G is incompatible with -KPIC which is the default, so only allow objects
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   in the small data section if the user explicitly asks for it.  */
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#undef MIPS_DEFAULT_GVALUE
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#define MIPS_DEFAULT_GVALUE 0
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/* The native o32 IRIX linker does not support merging without a
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   special elspec(5) file.  */
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#ifndef IRIX_USING_GNU_LD
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#undef HAVE_GAS_SHF_MERGE
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#define HAVE_GAS_SHF_MERGE 0
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#endif

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