-/* Definitions of target machine for GNU compiler. Iris version 6.
- Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Definitions of target machine for GNU compiler. IRIX 6.5 version.
+ Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 2000,
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
-/* Default to -mabi=n32 and -mips3. */
-#define MIPS_ISA_DEFAULT 3
-#define MIPS_ABI_DEFAULT ABI_N32
-#define MULTILIB_DEFAULTS { "mabi=n32" }
+/* We are compiling for IRIX 6 now. */
+#undef TARGET_IRIX6
+#define TARGET_IRIX6 1
-#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT)
-#endif
-
-#include "mips/iris5.h"
-#include "mips/abi64.h"
+#undef MACHINE_TYPE
+#define MACHINE_TYPE "SGI running IRIX 6.5"
-/* For Irix 6, -mabi=64 implies TARGET_LONG64. */
-/* This is handled in override_options. */
+/* Default to -mabi=n32 and -mips3. */
+#undef MULTILIB_DEFAULTS
+#define MULTILIB_DEFAULTS { "mabi=n32" }
-#undef SUBTARGET_CC1_SPEC
-#define SUBTARGET_CC1_SPEC "%{static: -mno-abicalls}"
+/* Force the default ABI onto the command line in order to make the specs
+ easier to write. */
+#undef DRIVER_SELF_SPECS
+#define DRIVER_SELF_SPECS \
+ "%{!mabi=*: -mabi=n32}", \
+ /* Configuration-independent MIPS rules. */ \
+ BASE_DRIVER_SELF_SPECS
-/* We must pass -D_LONGLONG always, even when -ansi is used, because irix6
- system header files require it. This is OK, because gcc never warns
- when long long is used in system header files. Alternatively, we can
- add support for the SGI builtin type __long_long. */
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES \
- "-Dunix -Dmips -Dsgi -Dhost_mips -DMIPSEB -D_MIPSEB -DSYSTYPE_SVR4 \
- -D_LONGLONG -D_SVR4_SOURCE -D_MODERN_C -D__DSO__ \
- -Asystem(unix) -Asystem(svr4) -Acpu(mips) -Amachine(sgi)"
-
-#undef SUBTARGET_CPP_SIZE_SPEC
-#define SUBTARGET_CPP_SIZE_SPEC "\
-%{mabi=32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
-%{mabi=n32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
-%{mabi=64: -D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
-%{!mabi*: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int}"
-
-/* We must make -mips3 do what -mlong64 used to do. */
-/* ??? If no mipsX option given, but a mabi=X option is, then should set
- _MIPS_ISA based on the mabi=X option. */
-/* ??? If no mabi=X option give, but a mipsX option is, then should set
- _MIPS_SIM based on the mipsX option. */
-/* ??? Same for _MIPS_SZINT. */
-/* ??? Same for _MIPS_SZPTR. */
-/* ??? Same for __SIZE_TYPE and __PTRDIFF_TYPE. */
-#undef SUBTARGET_CPP_SPEC
-#define SUBTARGET_CPP_SPEC "\
-%{!ansi:-D__EXTENSIONS__ -D_SGI_SOURCE} \
-%{mfp32: -D_MIPS_FPSET=16}%{!mfp32: -D_MIPS_FPSET=32} \
-%{mips1: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \
-%{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \
-%{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
-%{mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS4} \
-%{!mips*: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
-%{mabi=32: -D_MIPS_SIM=_MIPS_SIM_ABI32} \
-%{mabi=n32: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
-%{mabi=64: -D_ABI64=3 -D_MIPS_SIM=_ABI64} \
-%{!mabi*: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
-%{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \
-%{mabi=32: -D_MIPS_SZLONG=32} \
-%{mabi=n32: -D_MIPS_SZLONG=32} \
-%{mabi=64: -D_MIPS_SZLONG=64} \
-%{!mabi*: -D_MIPS_SZLONG=32} \
-%{mabi=32: -D_MIPS_SZPTR=32} \
-%{mabi=n32: -D_MIPS_SZPTR=32} \
-%{mabi=64: -D_MIPS_SZPTR=64} \
-%{!mabi*: -D_MIPS_SZPTR=32} \
-%{!mips1:%{!mips2: -D_COMPILER_VERSION=601}} \
-%{!mips*: -U__mips -D__mips=3} \
-%{mabi=32: -U__mips64} \
-%{mabi=n32: -D__mips64} \
-%{mabi=64: -D__mips64} \
-%{!mabi*: -D__mips64}"
-
-/* Irix 6 uses DWARF-2. */
-#define DWARF2_DEBUGGING_INFO
-#define MIPS_DEBUGGING_INFO
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+/* MIPS specific debugging info */
+#define MIPS_DEBUGGING_INFO 1
/* Force the generation of dwarf .debug_frame sections even if not
- compiling -g. This guarantees that we can unwind the stack. */
+ compiling -g. This guarantees that we can unwind the stack. */
#define DWARF2_FRAME_INFO 1
+
+/* The system unwinder in libexc requires a specific dwarf return address
+ column to work. */
+#undef DWARF_FRAME_RETURN_COLUMN
+#define DWARF_FRAME_RETURN_COLUMN (FP_REG_LAST + 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
-/* There is no GNU as port for Irix6 yet, so we set MD_EXEC_PREFIX so that
- gcc will automatically find SGI as instead of searching the user's path.
- The latter can fail when building a cross compiler if the user has . in
- the path before /usr/bin, since then gcc will find and try to use the link
- to the cross assembler which can't possibly work. */
+/* 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)
-#undef MD_EXEC_PREFIX
-#define MD_EXEC_PREFIX "/usr/bin/"
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX (TARGET_NEWABI ? "." : "$")
-/* We have no need for MD_STARTFILE_PREFIX. */
-#undef MD_STARTFILE_PREFIX
+#undef ASM_DECLARE_OBJECT_NAME
+#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name
-#undef MACHINE_TYPE
-#define MACHINE_TYPE "SGI running IRIX 6.x"
-
-/* The Irix 6.0.1 assembler doesn't like labels in the text section, so
- just avoid emitting them. */
-#define ASM_IDENTIFY_GCC(x) ((void)0)
-#define ASM_IDENTIFY_LANGUAGE(x) ((void)0)
-
-/* Irix 5 stuff that we don't need for Irix 6. */
-/* ??? We do need this for the -mabi=32 switch though. */
-#undef ASM_OUTPUT_UNDEF_FUNCTION
-#undef ASM_OUTPUT_EXTERNAL_LIBCALL
-#undef ASM_DECLARE_FUNCTION_SIZE
-
-/* Stuff we need for Irix 6 that isn't in Irix 5. */
-
-/* The SGI assembler doesn't like labels before the .ent, so we must output
- the .ent and function name here, which is the normal place for it. */
-
-#undef ASM_DECLARE_FUNCTION_NAME
-#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \
- do { \
- fputs ("\t.ent\t", STREAM); \
- assemble_name (STREAM, NAME); \
- fputs ("\n", STREAM); \
- assemble_name (STREAM, NAME); \
- fputs (":\n", STREAM); \
- } while (0)
-
-/* Likewise, the SGI assembler doesn't like labels after the .end, so we
- must output the .end here. */
-#define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \
- do { \
- fputs ("\t.end\t", STREAM); \
- assemble_name (STREAM, NAME); \
- fputs ("\n", STREAM); \
- } while (0)
-
-/* Tell function_prologue in mips.c that we have already output the .ent/.end
- pseudo-ops. */
-#define FUNCTION_NAME_ALREADY_DECLARED
-
-#undef SET_ASM_OP /* Has no equivalent. See ASM_OUTPUT_DEF below. */
-
-#if 0
-/* This is *NOT* how to equate one symbol to another symbol. The assembler
- '=' syntax just equates a name to a constant expression.
- See ASM_OUTPUT_WEAK_ALIAS. */
-
-#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
- do { fprintf ((FILE), "\t"); \
- assemble_name (FILE, LABEL1); \
- fprintf (FILE, " = "); \
- assemble_name (FILE, LABEL2); \
- fprintf (FILE, "\n"); \
- } while (0)
+#undef ASM_FINISH_DECLARE_OBJECT
+#define ASM_FINISH_DECLARE_OBJECT mips_finish_declare_object
+
+/* The native IRIX 6 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
-/* Define the strings used for the special svr4 .type and .size directives. */
-
-#define TYPE_ASM_OP ".type"
-#define SIZE_ASM_OP ".size"
-
-/* This is how we tell the assembler that a symbol is weak. */
-
-#define ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,VALUE) \
- do { \
- fputs ("\t.weakext\t", FILE); \
- assemble_name (FILE, NAME); \
- if (VALUE) \
- { \
- fputc (' ', FILE); \
- assemble_name (FILE, VALUE); \
- } \
- fputc ('\n', FILE); \
- } while (0)
-
-#define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,0)
-
-#define POPSECTION_ASM_OP ".popsection"
-
-#define DEBUG_INFO_SECTION ".debug_info,0x7000001e,0,0,1"
-#define DEBUG_LINE_SECTION ".debug_line,0x7000001e,0,0,1"
-#define SFNAMES_SECTION ".debug_sfnames,0x7000001e,0,0,1"
-#define SRCINFO_SECTION ".debug_srcinfo,0x7000001e,0,0,1"
-#define MACINFO_SECTION ".debug_macinfo,0x7000001e,0,0,1"
-#define PUBNAMES_SECTION ".debug_pubnames,0x7000001e,0,0,1"
-#define ARANGES_SECTION ".debug_aranges,0x7000001e,0,0,1"
-#define FRAME_SECTION ".debug_frame,0x7000001e,0x08000000,0,1"
-#define ABBREV_SECTION ".debug_abbrev,0x7000001e,0,0,1"
-
-/* ??? If no mabi=X option give, but a mipsX option is, then should depend
- on the mipsX option. */
-#undef SUBTARGET_ASM_SPEC
-#define SUBTARGET_ASM_SPEC "%{!mabi*:-n32}"
-
-/* Must pass -g0 to the assembler, otherwise it may overwrite our
- debug info with its own debug info. */
-/* Must pass -show instead of -v. */
-/* Must pass -G 0 to the assembler, otherwise we may get warnings about
- GOT overflow. */
-/* ??? We pass -w to disable all assembler warnings. The `label should be
- inside .ent/.end block' warning that we get for DWARF II debug info labels
- is particularly annoying. */
-#undef SUBTARGET_MIPS_AS_ASM_SPEC
-#define SUBTARGET_MIPS_AS_ASM_SPEC "%{v:-show} -G 0 -w"
-
-#undef SUBTARGET_ASM_DEBUGGING_SPEC
-#define SUBTARGET_ASM_DEBUGGING_SPEC "-g0"
-
-/* Stuff for constructors. Start here. */
-
-/* The assembler now accepts .section pseudo-ops, but it does not allow
- one to change the section in the middle of a function, so we can't use
- the INIT_SECTION_ASM_OP code in crtstuff. But we can build up the ctor
- and dtor lists this way, so we use -init and -fini to invoke the
- do_global_* functions instead of running collect2. */
-
-#define BSS_SECTION_ASM_OP ".section\t.bss"
-#define CONST_SECTION_ASM_OP_32 "\t.rdata"
-#define CONST_SECTION_ASM_OP_64 ".section\t.rodata"
-
-/* The IRIX 6 assembler .section directive takes four additional args:
- section type, flags, entry size, and alignment. The alignment of the
- .ctors and .dtors sections needs to be the same as the size of a pointer
- so that the linker doesn't add padding between elements. */
-#if defined (CRT_BEGIN) || defined (CRT_END)
-
-/* If we are included from crtstuff.c, these need to be plain strings.
- _MIPS_SZPTR is defined in SUBTARGET_CPP_SPEC above. */
-#if _MIPS_SZPTR == 64
-#define CTORS_SECTION_ASM_OP ".section\t.ctors,1,2,0,8"
-#define DTORS_SECTION_ASM_OP ".section\t.dtors,1,2,0,8"
-#else /* _MIPS_SZPTR != 64 */
-#define CTORS_SECTION_ASM_OP ".section\t.ctors,1,2,0,4"
-#define DTORS_SECTION_ASM_OP ".section\t.dtors,1,2,0,4"
-#endif /* _MIPS_SZPTR == 64 */
-
-#else /* ! (defined (CRT_BEGIN) || defined (CRT_END)) */
-
-/* If we are included from varasm.c, these need to depend on -mabi. */
-#define CTORS_SECTION_ASM_OP \
- (TARGET_LONG64 ? ".section\t.ctors,1,2,0,8" : ".section\t.ctors,1,2,0,4")
-#define DTORS_SECTION_ASM_OP \
- (TARGET_LONG64 ? ".section\t.dtors,1,2,0,8" : ".section\t.dtors,1,2,0,4")
-#endif /* defined (CRT_BEGIN) || defined (CRT_END) */
-
-/* dwarf2out will handle padding this data properly. We definitely don't
- want it 8-byte aligned on n32. */
-#define EH_FRAME_SECTION_ASM_OP ".section\t.eh_frame,1,2,0,1"
-
-/* A default list of other sections which we might be "in" at any given
- time. For targets that use additional sections (e.g. .tdesc) you
- should override this definition in the target-specific file which
- includes this file. */
-
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_sdata, in_rdata, in_const, in_ctors, in_dtors
-
-/* A default list of extra section function definitions. For targets
- that use additional sections (e.g. .tdesc) you should override this
- definition in the target-specific file which includes this file. */
-
-/* ??? rdata_section is now same as svr4 const_section. */
-
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
-void \
-sdata_section () \
-{ \
- if (in_section != in_sdata) \
- { \
- fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \
- in_section = in_sdata; \
- } \
-} \
- \
-void \
-rdata_section () \
-{ \
- if (in_section != in_rdata) \
- { \
- if (mips_abi != ABI_32) \
- fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_64); \
- else \
- fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP_32); \
- in_section = in_rdata; \
- } \
-} \
- CTORS_SECTION_FUNCTION \
- DTORS_SECTION_FUNCTION
-
-#define CTORS_SECTION_FUNCTION \
-void \
-ctors_section () \
-{ \
- if (in_section != in_ctors) \
- { \
- fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
- in_section = in_ctors; \
- } \
-}
-
-#define DTORS_SECTION_FUNCTION \
-void \
-dtors_section () \
-{ \
- if (in_section != in_dtors) \
- { \
- fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
- in_section = in_dtors; \
- } \
-}
-
-/* A C statement (sans semicolon) to output an element in the table of
- global constructors. */
-#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
- do { \
- ctors_section (); \
- fprintf (FILE, "\t%s\t ", \
- TARGET_LONG64 ? ".dword" : ".word"); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- } while (0)
-
-/* A C statement (sans semicolon) to output an element in the table of
- global destructors. */
-#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
- do { \
- dtors_section (); \
- fprintf (FILE, "\t%s\t ", \
- TARGET_LONG64 ? ".dword" : ".word"); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- } while (0)
-
-/* A C statement to output something to the assembler file to switch to section
- NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
- NULL_TREE. */
-
-#define ASM_OUTPUT_SECTION_NAME(F, DECL, NAME, RELOC) \
-do { \
- extern FILE *asm_out_text_file; \
- if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL) \
- fprintf (asm_out_text_file, "\t.section %s,1,6,4,4\n", (NAME)); \
- else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC)) \
- fprintf (F, "\t.section %s,1,2,0,8\n", (NAME)); \
- else \
- fprintf (F, "\t.section %s,1,3,0,8\n", (NAME)); \
-} while (0)
-
-/* Stuff for constructors. End here. */
-
-/* ??? Perhaps just include svr4.h in this file? */
-
-/* ??? SGI assembler may core dump when compiling with -g.
- Sometimes as succeeds, but then we get a linker error. (cmds.c in 072.sc)
- Getting rid of .file solves both problems. */
-#undef ASM_OUTPUT_FILENAME
-#define ASM_OUTPUT_FILENAME(STREAM, NUM_SOURCE_FILENAMES, NAME) \
-do \
- { \
- fprintf (STREAM, "\t#.file\t%d ", NUM_SOURCE_FILENAMES); \
- output_quoted_string (STREAM, NAME); \
- fputs ("\n", STREAM); \
- } \
-while (0)
-
-/* ??? SGI assembler gives warning whenever .lcomm is used. */
-#undef ASM_OUTPUT_LOCAL
-#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \
-do \
- { \
- if (mips_abi != ABI_32) \
- { \
- fprintf (STREAM, "%s\n", BSS_SECTION_ASM_OP); \
- mips_declare_object (STREAM, NAME, "", ":\n", 0); \
- ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \
- ASM_OUTPUT_SKIP (STREAM, SIZE); \
- fprintf (STREAM, "\t%s\n", POPSECTION_ASM_OP); \
- } \
- else \
- mips_declare_object (STREAM, NAME, "\n\t.lcomm\t", ",%u\n", (SIZE)); \
- } \
-while (0)
-
-/* A C statement (sans semicolon) to output to the stdio stream
- FILE the assembler definition of uninitialized global DECL named
- NAME whose size is SIZE bytes and alignment is ALIGN bytes.
- Try to use asm_output_aligned_bss to implement this macro. */
-
-#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
- asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
-
-/* Write the extra assembler code needed to declare an object properly. */
+/* 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 ASM_DECLARE_OBJECT_NAME
-#define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \
-do \
- { \
- size_directive_output = 0; \
- if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
- { \
- size_directive_output = 1; \
- fprintf (STREAM, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (STREAM, NAME); \
- fprintf (STREAM, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
- } \
- mips_declare_object (STREAM, NAME, "", ":\n", 0); \
- } \
-while (0)
-
-/* Output the size directive for a decl in rest_of_decl_compilation
- in the case where we did not do so before the initializer.
- Once we find the error_mark_node, we know that the value of
- size_directive_output was set
- by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
-
-#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
-do { \
- char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
- if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
- && ! AT_END && TOP_LEVEL \
- && DECL_INITIAL (DECL) == error_mark_node \
- && !size_directive_output) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (FILE, name); \
- fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
- } \
- } while (0)
+#undef SUBTARGET_CC1_SPEC
+#define SUBTARGET_CC1_SPEC "%{static: -mno-abicalls}"
-#undef LOCAL_LABEL_PREFIX
-#define LOCAL_LABEL_PREFIX (mips_abi == ABI_32 ? "$" : ".")
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "%{pthread:-D_REENTRANT}"
+
+#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
-/* Profiling is supported via libprof1.a not -lc_p as in Irix 3. */
-/* ??? If no mabi=X option give, but a mipsX option is, then should depend
- on the mipsX option. */
+/* Profiling is supported via libprof1.a not -lc_p as in IRIX 3. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
- "%{!static:%{!shared: \
- %{mabi=32:%{pg:gcrt1.o%s} \
- %{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
+ "%{!shared: \
%{mabi=n32: \
%{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
%{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
%{!p:/usr/lib64/mips4/crt1.o}}} \
%{!mips4:%{pg:/usr/lib64/mips3/gcrt1.o} \
%{!pg:%{p:/usr/lib64/mips3/mcrt1.o /usr/lib64/mips3/libprof1.a} \
- %{!p:/usr/lib64/mips3/crt1.o}}}} \
- %{!mabi*: \
- %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
- %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
- %{!p:/usr/lib32/mips4/crt1.o%s}}} \
- %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
- %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
- %{!p:/usr/lib32/mips3/crt1.o%s}}}}}} \
- %{static: \
- %{mabi=32:%{pg:/usr/lib/nonshared/gcrt1.o%s} \
- %{!pg:%{p:/usr/lib/nonshared/mcrt1.o%s /usr/lib/nonshared/libprof1.a%s} \
- %{!p:/usr/lib/nonshared/crt1.o%s}}} \
- %{mabi=n32: \
- %{mips4:%{pg:/usr/lib32/mips4/nonshared/gcrt1.o%s} \
- %{!pg:%{p:/usr/lib32/mips4/nonshared/mcrt1.o%s \
- /usr/lib32/mips4/nonshared/libprof1.a%s} \
- %{!p:/usr/lib32/mips4/nonshared/crt1.o%s}}} \
- %{!mips4:%{pg:/usr/lib32/mips3/nonshared/gcrt1.o%s} \
- %{!pg:%{p:/usr/lib32/mips3/nonshared/mcrt1.o%s \
- /usr/lib32/mips3/nonshared/libprof1.a%s} \
- %{!p:/usr/lib32/mips3/nonshared/crt1.o%s}}}} \
- %{mabi=64: \
- %{mips4:%{pg:/usr/lib64/mips4/nonshared/gcrt1.o} \
- %{!pg:%{p:/usr/lib64/mips4/nonshared/mcrt1.o \
- /usr/lib64/mips4/nonshared/libprof1.a} \
- %{!p:/usr/lib64/mips4/nonshared/crt1.o}}} \
- %{!mips4:%{pg:/usr/lib64/mips3/nonshared/gcrt1.o} \
- %{!pg:%{p:/usr/lib64/mips3/nonshared/mcrt1.o \
- /usr/lib64/mips3/nonshared/libprof1.a} \
- %{!p:/usr/lib64/mips3/nonshared/crt1.o}}}} \
- %{!mabi*: \
- %{mips4:%{pg:/usr/lib32/mips4/nonshared/gcrt1.o%s} \
- %{!pg:%{p:/usr/lib32/mips4/nonshared/mcrt1.o%s \
- /usr/lib32/mips4/nonshared/libprof1.a%s} \
- %{!p:/usr/lib32/mips4/nonshared/crt1.o%s}}} \
- %{!mips4:%{pg:/usr/lib32/mips3/nonshared/gcrt1.o%s} \
- %{!pg:%{p:/usr/lib32/mips3/nonshared/mcrt1.o%s \
- /usr/lib32/mips3/nonshared/libprof1.a%s} \
- %{!pg:%{p:/usr/lib32/mips3/nonshared/mcrt1.o%s \
- /usr/lib32/mips3/nonshared/libprof1.a%s} \
- %{!p:/usr/lib32/mips3/nonshared/crt1.o%s}}}}}} \
- crtbegin.o%s"
+ %{!p:/usr/lib64/mips3/crt1.o}}}}} \
+ irix-crti.o%s crtbegin.o%s"
#undef LIB_SPEC
#define LIB_SPEC \
-L/usr/lib32} \
%{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \
-L/usr/lib64} \
- %{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
- -L/usr/lib32} \
- %{!shared: \
- -dont_warn_unused %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc -warn_unused}"
+ %{!shared:" \
+ SUBTARGET_DONT_WARN_UNUSED_SPEC \
+ " %{pthread:-lpthread} %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc " \
+ SUBTARGET_WARN_UNUSED_SPEC "}"
-/* Avoid getting two warnings for libgcc.a everytime we link. */
+/* Avoid getting two warnings for libgcc.a everytime we link. libgcc.a
+ contains references to copysignl, so link with libm to resolve them. */
#undef LIBGCC_SPEC
-#define LIBGCC_SPEC "-dont_warn_unused -lgcc -warn_unused"
+#define LIBGCC_SPEC \
+ SUBTARGET_DONT_WARN_UNUSED_SPEC " -lgcc -lm " SUBTARGET_WARN_UNUSED_SPEC
-/* ??? If no mabi=X option give, but a mipsX option is, then should depend
- on the mipsX option. */
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
- "crtend.o%s \
+ "crtend.o%s irix-crtn.o%s \
%{!shared: \
- %{mabi=32:crtn.o%s}\
%{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\
%{!mips4:/usr/lib32/mips3/crtn.o%s}}\
%{mabi=64:%{mips4:/usr/lib64/mips4/crtn.o%s}\
- %{!mips4:/usr/lib64/mips3/crtn.o%s}}\
- %{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\
- %{!mips4:/usr/lib32/mips3/crtn.o%s}}}"
+ %{!mips4:/usr/lib64/mips3/crtn.o%s}}}"
-/* ??? If no mabi=X option give, but a mipsX option is, then should depend
- on the mipsX option. */
+/* 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} %{w} \
-%{static: -non_shared} \
-%{!static: \
- %{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}}} \
-%{rpath} -init __do_global_ctors -fini __do_global_dtors \
-%{shared:-hidden_symbol __do_global_ctors,__do_global_dtors,__EH_FRAME_BEGIN__,__frame_dummy} \
--_SYSTYPE_SVR4 -woff 131 \
-%{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64}%{!mabi*: -n32}"
+%{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
+
+#ifdef IRIX_USING_GNU_LD
+#define IRIX_SUBTARGET_LINK_SPEC \
+ "%{mabi=n32: -melf32bmipn32}%{mabi=64: -melf64bmip}"
+#else
+ /* Explicitly hide crt symbols that would normally be marked with
+ a "hidden" visibility attribute.
+
+ We have traditionally disabled this attribute when using the
+ native linker because the native linker's visibility support is
+ not fully-compatible with the GNU linker's. In particular, the
+ native linker does not pull in archive objects purely to resolve
+ references to the object's hidden symbols, whereas the GNU
+ linker does.
+
+ The gcc build system currently hides symbols in some static
+ libraries (typically libgcov.a or libgcc.a) whenever visibility
+ attributes are supported. On targets with GNU semantics, this
+ makes sure that uses of libx.so symbols in one dynamic object are
+ not resolved to libx.a symbols in another dynamic object. But
+ on targets with IRIX semantics, hiding the symbols prevents the
+ static archive from working at all.
+
+ It would probably be better to enable visiblity attributes for
+ IRIX ld and disable the static archives versioning. It shouldn't
+ make anything worse, since libx.a symbols are global by default
+ anyway. However, no-one has volunteered to do this yet. */
+
+#define IRIX_SUBTARGET_LINK_SPEC \
+ "%{w} -_SYSTYPE_SVR4 -woff 131 \
+ %{shared:-hidden_symbol __dso_handle} \
+ %{mabi=n32: -n32}%{mabi=64: -64}%{!mabi*: -n32}"
+#endif
+
+/* 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
+
+#define MIPS_TFMODE_FORMAT mips_extended_format
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