X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Fmips%2Firis6.h;h=ad2dccc42b522483c2b316de89a67e6cc05d269b;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=58d906ff58545223ce2d4c4d826d69e0662d89b7;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/mips/iris6.h b/gcc/config/mips/iris6.h index 58d906ff..ad2dccc4 100644 --- a/gcc/config/mips/iris6.h +++ b/gcc/config/mips/iris6.h @@ -1,460 +1,87 @@ -/* Definitions of target machine for GNU compiler. Iris version 6. - Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003 +/* Definitions of target machine for GNU compiler. IRIX version 6. + Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, + 2005, 2006, 2007, 2008 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 +. */ -/* Let mips.c know we need the Irix6 functions. */ +/* Allow some special handling for IRIX 6. */ +#undef TARGET_IRIX6 #define TARGET_IRIX6 1 /* Default to -mabi=n32 and -mips3. */ -#define MIPS_ISA_DEFAULT 3 -#define MIPS_ABI_DEFAULT ABI_N32 +#undef MULTILIB_DEFAULTS #define MULTILIB_DEFAULTS { "mabi=n32" } -#ifndef TARGET_DEFAULT -#define TARGET_DEFAULT (MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT) -#endif - -#include "mips/iris5.h" -#include "mips/abi64.h" - -/* Irix6 assembler does handle DWARF2 directives. Override setting in - irix5.h file. */ -#undef DWARF2_UNWIND_INFO - -/* The Irix6 assembler will sometimes assign labels to the wrong - section unless the labels are within .ent/.end blocks. Therefore, - we avoid creating such labels. */ -#define DWARF2_GENERATE_TEXT_SECTION_LABEL 0 - -/* wchar_t is defined differently with and without -mabi=64. */ - -#define NO_BUILTIN_WCHAR_TYPE - -#undef WCHAR_TYPE -#define WCHAR_TYPE (Pmode == DImode ? "int" : "long int") - -#undef WCHAR_TYPE_SIZE -#define WCHAR_TYPE_SIZE 32 - -/* Same for wint_t. */ - -#define NO_BUILTIN_WINT_TYPE - -#undef WINT_TYPE -#define WINT_TYPE (Pmode == DImode ? "int" : "long int") - -#undef WINT_TYPE_SIZE -#define WINT_TYPE_SIZE 32 - -/* For Irix 6, -mabi=64 implies TARGET_LONG64. */ -/* This is handled in override_options. */ - -#undef SUBTARGET_CC1_SPEC -#define SUBTARGET_CC1_SPEC "" - -/* 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|mabi=n32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int \ --D__WCHAR_TYPE__=long\\ int -D__WINT_TYPE__=long\\ int} \ -%{mabi=64: -D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int \ --D__WCHAR_TYPE__=int -D__WINT_TYPE__=int} \ -%{!mabi*: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int \ --D__WCHAR_TYPE__=long\\ int -D__WINT_TYPE__=long\\ 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}" - -/* The GNU C++ standard library requires that __EXTENSIONS__ and - _SGI_SOURCE be defined on at least irix6.2 and probably all irix6 - prior to 6.5. They normally get defined in SUBTARGET_CPP_SPEC if - !ansi, for g++ we want them regardless. We don't need this on - irix6.5 itself, but it shouldn't hurt other than the namespace - pollution. libstdc++ v3 needs many ISO C99 features provided - in IRIX 6.5.18, but protected by the __c99 macro. */ -#undef CPLUSPLUS_CPP_SPEC -#define CPLUSPLUS_CPP_SPEC "\ --D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS \ -%{ansi:-D__EXTENSIONS__ -D_SGI_SOURCE} -D__c99 %(cpp) \ -" - -/* Irix 6 uses DWARF-2. */ -#define DWARF2_DEBUGGING_INFO -#define MIPS_DEBUGGING_INFO -#undef PREFERRED_DEBUGGING_TYPE -#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG +/* Force the default ABI onto the command line in order to make the specs + easier to write. Default to the mips2 ISA for the O32 ABI. */ +#undef DRIVER_SELF_SPECS +#define DRIVER_SELF_SPECS \ + "%{!mabi=*: -mabi=n32}", \ + "%{mabi=32: %{!mips*: %{!march*: -mips2}}}", \ + /* Configuration-independent MIPS rules. */ \ + BASE_DRIVER_SELF_SPECS /* Force the generation of dwarf .debug_frame sections even if not compiling -g. This guarantees that we can unwind the stack. */ #define DWARF2_FRAME_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 - -/* 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. */ - -#undef MD_EXEC_PREFIX -#define MD_EXEC_PREFIX "/usr/bin/" - -/* We have no need for MD_STARTFILE_PREFIX. */ -#undef MD_STARTFILE_PREFIX +/* 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) #undef MACHINE_TYPE #define MACHINE_TYPE "SGI running IRIX 6.x" -/* 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) +#ifdef IRIX_USING_GNU_LD +#define IRIX_SUBTARGET_LINK_SPEC \ + "%{mabi=32: -melf32bsmip}%{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=32: -32}%{mabi=n32: -n32}%{mabi=64: -64}%{!mabi*: -n32}" #endif -/* Define the strings used for the special svr4 .type and .size directives. */ - -#define TYPE_ASM_OP "\t.type\t" -#define SIZE_ASM_OP "\t.size\t" - -/* Irix assembler does not support the init_priority C++ attribute. */ -#undef SUPPORTS_INIT_PRIORITY -#define SUPPORTS_INIT_PRIORITY 0 - -/* A linker error can empirically be avoided by removing duplicate - library search directories. */ -#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 1 - -#define POPSECTION_ASM_OP "\t.popsection" - -/* ??? If no mabi=X option give, but a mipsX option is, then should depend - on the mipsX option. */ -/* If no mips[3,4] option given, give the appropriate default for mabi=X */ -#undef SUBTARGET_ASM_SPEC -#define SUBTARGET_ASM_SPEC "%{!mabi*:-n32} %{!mips*: %{!mabi*:-mips3} %{mabi=n32:-mips3} %{mabi=64:-mips4}}" - -/* 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" - -/* The MIPS assembler occasionally misoptimizes. Since GCC should be - doing scheduling anyhow, just turn off optimization in the assembler. */ -#undef SUBTARGET_ASM_OPTIMIZING_SPEC -#define SUBTARGET_ASM_OPTIMIZING_SPEC "-O0" - -/* 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 "\t.section\t.bss" -#define CONST_SECTION_ASM_OP_32 "\t.rdata" -#define CONST_SECTION_ASM_OP_64 "\t.section\t.rodata" - -/* 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 - -/* 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 && mips_abi != ABI_O64) \ - 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; \ - } \ -} \ - \ -const char * \ -current_section_name () \ -{ \ - switch (in_section) \ - { \ - case no_section: return NULL; \ - case in_text: return ".text"; \ - case in_data: return ".data"; \ - case in_sdata: return ".sdata"; \ - case in_bss: return ".bss"; \ - case in_rdata: \ - case in_const: \ - if (mips_abi != ABI_32 && mips_abi != ABI_O64) \ - return ".rodata"; \ - else \ - return ".rdata"; \ - case in_named: \ - return in_named_name; \ - } \ - abort (); \ -} \ - \ -unsigned int \ -current_section_flags () \ -{ \ - switch (in_section) \ - { \ - case no_section: return 0; \ - case in_text: return SECTION_CODE; \ - case in_data: return SECTION_WRITE; \ - case in_sdata: return SECTION_WRITE | SECTION_SMALL; \ - case in_bss: return SECTION_WRITE | SECTION_BSS; \ - case in_rdata: \ - case in_const: return 0; \ - case in_named: return get_named_section_flags (in_named_name); \ - } \ - abort (); \ -} - -/* Switch into a generic section. */ -#undef TARGET_ASM_NAMED_SECTION -#define TARGET_ASM_NAMED_SECTION iris6_asm_named_section - -/* SGI assembler needs all sorts of extra help to do alignment properly. */ -#undef ASM_OUTPUT_ALIGN -#define ASM_OUTPUT_ALIGN iris6_asm_output_align -#undef ASM_FILE_START -#define ASM_FILE_START iris6_asm_file_start -#undef ASM_FILE_END -#define ASM_FILE_END iris6_asm_file_end - -#undef MAX_OFILE_ALIGNMENT -#define MAX_OFILE_ALIGNMENT (32768*8) - -/* ??? 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 && mips_abi != ABI_O64) \ - { \ - bss_section (); \ - mips_declare_object (STREAM, NAME, "", ":\n", 0); \ - ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \ - ASM_OUTPUT_SKIP (STREAM, SIZE); \ - } \ - 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. */ - -#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, "%s", SIZE_ASM_OP); \ - assemble_name (STREAM, NAME); \ - fprintf (STREAM, ","); \ - fprintf (STREAM, HOST_WIDE_INT_PRINT_DEC, int_size_in_bytes (TREE_TYPE (DECL))); \ - fprintf (STREAM, "\n"); \ - } \ - mips_declare_object (STREAM, NAME, "", ":\n", 0); \ - } \ -while (0) - -/* Define the `__builtin_va_list' type for the ABI. On Irix6, this - type is `char *'. */ -#undef BUILD_VA_LIST_TYPE -#define BUILD_VA_LIST_TYPE(VALIST) \ - (VALIST) = build_pointer_type (char_type_node) - -/* 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 { \ - const 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, "%s", SIZE_ASM_OP); \ - assemble_name (FILE, name); \ - fprintf (FILE, ","); \ - fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, int_size_in_bytes (TREE_TYPE (DECL))); \ - fprintf (FILE, "\n"); \ - } \ - } while (0) - -#undef LOCAL_LABEL_PREFIX -#define LOCAL_LABEL_PREFIX ((mips_abi == ABI_32 || mips_abi == ABI_O64) \ - ? "$" : ".") - -/* 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 \ "%{!shared: \ @@ -473,15 +100,16 @@ do { \ %{!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}}}}} \ - crtbegin.o%s" + %{!p:/usr/lib64/mips3/crt1.o}}}}} \ + irix-crti.o%s crtbegin.o%s" + +#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 #undef LIB_SPEC #define LIB_SPEC \ @@ -489,38 +117,29 @@ do { \ -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}}}" + +#define MIPS_TFMODE_FORMAT mips_extended_format + +#undef SUBTARGET_CPP_SPEC +#define SUBTARGET_CPP_SPEC "%{pthread:-D_REENTRANT}" -/* ??? If no mabi=X option give, but a mipsX option is, then should depend - on the mipsX option. */ -#undef LINK_SPEC -#define LINK_SPEC "\ -%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \ -%{bestGnum} %{shared} %{non_shared} \ -%{call_shared} %{no_archive} %{exact_version} %{w} \ -%{!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_ctors_1,__do_global_dtors} \ --_SYSTYPE_SVR4 -woff 131 \ -%{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64}%{!mabi*: -n32}"