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/* Definitions of target machine for GNU compiler.  Generic IRIX version.

   Copyright (C) 1993, 1995, 1996, 1998, 2000,

   2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010

   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.

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

/* We are compiling for IRIX now.  */

#undef TARGET_IRIX

#define TARGET_IRIX 1

/* MIPS specific debugging info */

#define MIPS_DEBUGGING_INFO 1

/* The size in bytes of a DWARF field indicating an offset or length

   relative to a debug info section, specified to be 4 bytes in the DWARF-2

   specification.  The SGI/MIPS ABI defines it to be the same as PTR_SIZE.  */

#define DWARF_OFFSET_SIZE PTR_SIZE

/* The size in bytes of the initial length field in a debug info

   section.  The DWARF 3 (draft) specification defines this to be

   either 4 or 12 (with a 4-byte "escape" word when it's 12), but the

   SGI/MIPS ABI predates this standard and defines it to be the same

   as DWARF_OFFSET_SIZE.  */

#define DWARF_INITIAL_LENGTH_SIZE DWARF_OFFSET_SIZE

/* MIPS assemblers don't have the usual .set foo,bar construct;

   .set is used for assembler options instead.  */

#undef SET_ASM_OP

#define ASM_OUTPUT_DEF(FILE, LABEL1, LABEL2)                    \

  do                                                            \

    {                                                           \

      fputc ('\t', FILE);                                       \

      assemble_name (FILE, LABEL1);                             \

      fputs (" = ", FILE);                                      \

      assemble_name (FILE, LABEL2);                             \

      fputc ('\n', FILE);                                       \

    }                                                           \

  while (0)

/* The MIPSpro o32 linker warns about not linking .comment sections.  */

#undef IDENT_ASM_OP

#undef LOCAL_LABEL_PREFIX

#define LOCAL_LABEL_PREFIX (TARGET_NEWABI ? "." : "$")

#undef ASM_DECLARE_OBJECT_NAME

#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name

#undef ASM_FINISH_DECLARE_OBJECT

#define ASM_FINISH_DECLARE_OBJECT mips_finish_declare_object

/* Specify wchar_t types.  */

#undef WCHAR_TYPE

#define WCHAR_TYPE (Pmode == DImode ? "int" : "long int")

#undef WCHAR_TYPE_SIZE

#define WCHAR_TYPE_SIZE INT_TYPE_SIZE

/* Same for wint_t.  */

#undef WINT_TYPE

#define WINT_TYPE (Pmode == DImode ? "int" : "long int")

#undef WINT_TYPE_SIZE

#define WINT_TYPE_SIZE 32

/* C99 stdint.h types.  */

#define INT8_TYPE "signed char"

#define INT16_TYPE "short int"

#define INT32_TYPE "int"

#define INT64_TYPE "long long int"

#define UINT8_TYPE "unsigned char"

#define UINT16_TYPE "short unsigned int"

#define UINT32_TYPE "unsigned int"

#define UINT64_TYPE "long long unsigned int"

#define INT_LEAST8_TYPE "signed char"

#define INT_LEAST16_TYPE "short int"

#define INT_LEAST32_TYPE "int"

#define INT_LEAST64_TYPE "long long int"

#define UINT_LEAST8_TYPE "unsigned char"

#define UINT_LEAST16_TYPE "short unsigned int"

#define UINT_LEAST32_TYPE "unsigned int"

#define UINT_LEAST64_TYPE "long long unsigned int"

#define INT_FAST8_TYPE "signed char"

#define INT_FAST16_TYPE "short int"

#define INT_FAST32_TYPE "int"

#define INT_FAST64_TYPE "long long int"

#define UINT_FAST8_TYPE "unsigned char"

#define UINT_FAST16_TYPE "short unsigned int"

#define UINT_FAST32_TYPE "unsigned int"

#define UINT_FAST64_TYPE "long long unsigned int"

#define INTMAX_TYPE "long long int"

#define UINTMAX_TYPE "long long unsigned int"

#define INTPTR_TYPE "long int"

#define UINTPTR_TYPE "long unsigned int"

#define SIG_ATOMIC_TYPE "int"

/* Plain char is unsigned in the SGI compiler.  */

#undef DEFAULT_SIGNED_CHAR

#define DEFAULT_SIGNED_CHAR 0

#define WORD_SWITCH_TAKES_ARG(STR)                      \

  (DEFAULT_WORD_SWITCH_TAKES_ARG (STR)                  \

   || strcmp (STR, "rpath") == 0)

#define TARGET_OS_CPP_BUILTINS()                                \

  do                                                            \

    {                                                           \

      builtin_define_std ("host_mips");                         \

      builtin_define_std ("sgi");                               \

      builtin_define_std ("unix");                              \

      builtin_define_std ("SYSTYPE_SVR4");                      \

      builtin_define ("_MODERN_C");                             \

      builtin_define ("_SVR4_SOURCE");                          \

      builtin_define ("__DSO__");                               \

      builtin_assert ("system=unix");                           \

      builtin_assert ("system=svr4");                           \

      builtin_assert ("machine=sgi");                           \

                                                                \

      if (!ISA_MIPS1 && !ISA_MIPS2)                             \

        builtin_define ("_COMPILER_VERSION=601");               \

                                                                \

      /* We must always define _LONGLONG, even when -ansi is    \

         used, because IRIX 5 system header files require it.   \

         This is OK, because gcc never warns when long long     \

         is used in system header files.                        \

                                                                \

         An alternative would be to support the SGI builtin     \

         type __long_long.  */                                  \

      builtin_define ("_LONGLONG");                             \

                                                                \

      /* IRIX 6.5.18 and above provide many ISO C99             \

         features protected by the __c99 macro.                 \

         libstdc++ v3 needs them as well.  */                   \

      if (TARGET_IRIX6)                                         \

        if (flag_isoc99 || c_dialect_cxx ())                    \

          builtin_define ("__c99");                             \

                                                                \

      /* The GNU C++ standard library requires that             \

         __EXTENSIONS__ and _SGI_SOURCE be defined on at        \

         least IRIX 6.2 and probably all IRIX 6 prior to 6.5.   \

         We don't need this on IRIX 6.5 itself, but it          \

         shouldn't hurt other than the namespace pollution.  */ \

      if (!flag_iso || (TARGET_IRIX6 && c_dialect_cxx ()))      \

        {                                                       \

          builtin_define ("__EXTENSIONS__");                    \

          builtin_define ("_SGI_SOURCE");                       \

        }                                                       \

    }                                                           \

  while (0)

#undef SUBTARGET_CC1_SPEC

#define SUBTARGET_CC1_SPEC "%{static: -mno-abicalls}"

#undef INIT_SECTION_ASM_OP

#define INIT_SECTION_ASM_OP "\t.section\t.gcc_init,\"ax\",@progbits"

#undef FINI_SECTION_ASM_OP

#define FINI_SECTION_ASM_OP "\t.section\t.gcc_fini,\"ax\",@progbits"

#ifdef IRIX_USING_GNU_LD

#define IRIX_NO_UNRESOLVED ""

#else

#define IRIX_NO_UNRESOLVED "-no_unresolved"

#endif

#ifdef IRIX_USING_GNU_LD

#define SUBTARGET_DONT_WARN_UNUSED_SPEC ""

#define SUBTARGET_WARN_UNUSED_SPEC ""

#else

#define SUBTARGET_DONT_WARN_UNUSED_SPEC "-dont_warn_unused"

#define SUBTARGET_WARN_UNUSED_SPEC "-warn_unused"

#endif

/* Generic part of the LINK_SPEC.  */

#undef LINK_SPEC

#define LINK_SPEC "\

%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \

%{bestGnum} %{shared} %{non_shared} \

%{call_shared} %{no_archive} %{exact_version} \

%{!shared: \

  %{!non_shared: %{!call_shared:%{!r: -call_shared " IRIX_NO_UNRESOLVED "}}}} \

%{rpath} %{!r: -init __gcc_init -fini __gcc_fini} " IRIX_SUBTARGET_LINK_SPEC

/* A linker error can empirically be avoided by removing duplicate

   library search directories.  */

#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 1

/* Add -g to mips.h default to avoid confusing gas with local symbols

   generated from stabs info.  */

#undef NM_FLAGS

#define NM_FLAGS "-Bng"

/* The system header files are C++ aware.  */

/* ??? Unfortunately, most but not all of the headers are C++ aware.

   Specifically, curses.h is not, and as a consequence, defining this

   used to prevent libg++ building.  This is no longer the case so

   define it again to prevent other problems, e.g. with getopt in

   unistd.h.  We still need some way to fix just those files that need

   fixing.  */

#define NO_IMPLICIT_EXTERN_C 1

/* -G is incompatible with -KPIC which is the default, so only allow objects

   in the small data section if the user explicitly asks for it.  */

#undef MIPS_DEFAULT_GVALUE

#define MIPS_DEFAULT_GVALUE 0

/* The native o32 IRIX linker does not support merging without a

   special elspec(5) file.  */

#ifndef IRIX_USING_GNU_LD

#undef HAVE_GAS_SHF_MERGE

#define HAVE_GAS_SHF_MERGE 0

#endif