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Diffstat (limited to 'gcc/config/mips/iris.h')
| -rw-r--r-- | gcc/config/mips/iris.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/gcc/config/mips/iris.h b/gcc/config/mips/iris.h new file mode 100644 index 00000000000..e9c16e5111e --- /dev/null +++ b/gcc/config/mips/iris.h @@ -0,0 +1,222 @@ +/* Definitions of target machine for GNU compiler. Generic IRIX version. + Copyright (C) 1993, 1995, 1996, 1998, 2000, + 2001, 2002, 2003, 2004 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 2, 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 COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* We are compiling for IRIX now. */ +#undef TARGET_IRIX +#define TARGET_IRIX 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 + +/* Also do this for libcalls. */ +#undef TARGET_ASM_EXTERNAL_LIBCALL +#define TARGET_ASM_EXTERNAL_LIBCALL irix_output_external_libcall + +/* 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 (mips_abi == ABI_32) \ + { \ + builtin_define ("_ABIO32=1"); \ + builtin_define ("_MIPS_SIM=_ABIO32"); \ + builtin_define ("_MIPS_SZINT=32"); \ + builtin_define ("_MIPS_SZLONG=32"); \ + builtin_define ("_MIPS_SZPTR=32"); \ + } \ + else if (mips_abi == ABI_64) \ + { \ + builtin_define ("_ABI64=3"); \ + builtin_define ("_MIPS_SIM=_ABI64"); \ + builtin_define ("_MIPS_SZINT=32"); \ + builtin_define ("_MIPS_SZLONG=64"); \ + builtin_define ("_MIPS_SZPTR=64"); \ + } \ + else \ + { \ + builtin_define ("_ABIN32=2"); \ + builtin_define ("_MIPS_SIM=_ABIN32"); \ + builtin_define ("_MIPS_SZINT=32"); \ + builtin_define ("_MIPS_SZLONG=32"); \ + builtin_define ("_MIPS_SZPTR=32"); \ + } \ + \ + if (!ISA_MIPS1 && !ISA_MIPS2) \ + builtin_define ("_COMPILER_VERSION=601"); \ + \ + if (!TARGET_FLOAT64) \ + builtin_define ("_MIPS_FPSET=16"); \ + else \ + builtin_define ("_MIPS_FPSET=32"); \ + \ + /* 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 |
