--- /dev/null
+/* Definitions of target machine for GNU compiler. Generic IRIX version.
+ Copyright (C) 1993, 1995, 1996, 1998, 2000,
+ 2001, 2002, 2003, 2004, 2007, 2008 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
+
+/* The linker needs a space after "-o". */
+#define SWITCHES_NEED_SPACES "o"
+
+/* 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
+
+/* 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
+
+/* 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} -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
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