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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [config/] [mips/] [linux.h] - Rev 20
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/* Definitions for MIPS running Linux-based GNU systems with ELF format. Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #undef WCHAR_TYPE #define WCHAR_TYPE "int" #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE 32 /* If defined, a C expression whose value is a string containing the assembler operation to identify the following data as uninitialized global data. If not defined, and neither `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined, uninitialized global data will be output in the data section if `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be used. */ #define BSS_SECTION_ASM_OP "\t.section\t.bss" #define ASM_OUTPUT_ALIGNED_BSS mips_output_aligned_bss #undef ASM_DECLARE_OBJECT_NAME #define ASM_DECLARE_OBJECT_NAME mips_declare_object_name #undef TARGET_VERSION #if TARGET_ENDIAN_DEFAULT == 0 #define TARGET_VERSION fprintf (stderr, " (MIPSel GNU/Linux with ELF)"); #else #define TARGET_VERSION fprintf (stderr, " (MIPS GNU/Linux with ELF)"); #endif #undef MD_EXEC_PREFIX #undef MD_STARTFILE_PREFIX /* If we don't set MASK_ABICALLS, we can't default to PIC. */ #undef TARGET_DEFAULT #define TARGET_DEFAULT MASK_ABICALLS #define TARGET_OS_CPP_BUILTINS() \ do { \ LINUX_TARGET_OS_CPP_BUILTINS(); \ if (TARGET_ABICALLS) \ { \ builtin_define ("__PIC__"); \ builtin_define ("__pic__"); \ } \ /* The GNU C++ standard library requires this. */ \ if (c_dialect_cxx ()) \ builtin_define ("_GNU_SOURCE"); \ \ if (mips_abi == ABI_N32) \ { \ builtin_define ("_ABIN32=2"); \ builtin_define ("_MIPS_SIM=_ABIN32"); \ 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_SZLONG=64"); \ builtin_define ("_MIPS_SZPTR=64"); \ } \ else \ { \ builtin_define ("_ABIO32=1"); \ builtin_define ("_MIPS_SIM=_ABIO32"); \ builtin_define ("_MIPS_SZLONG=32"); \ builtin_define ("_MIPS_SZPTR=32"); \ } \ if (TARGET_FLOAT64) \ builtin_define ("_MIPS_FPSET=32"); \ else \ builtin_define ("_MIPS_FPSET=16"); \ \ builtin_define ("_MIPS_SZINT=32"); \ } while (0) #undef SUBTARGET_CPP_SPEC #define SUBTARGET_CPP_SPEC "%{pthread:-D_REENTRANT}" /* From iris5.h */ /* -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 /* Borrowed from sparc/linux.h */ #undef LINK_SPEC #define LINK_SPEC \ "%(endian_spec) \ %{shared:-shared} \ %{!shared: \ %{!ibcs: \ %{!static: \ %{rdynamic:-export-dynamic} \ %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \ %{static:-static}}}" #undef SUBTARGET_ASM_SPEC #define SUBTARGET_ASM_SPEC "%{mabi=64: -64} %{!mno-abicalls:-KPIC}" /* The MIPS assembler has different syntax for .set. We set it to .dummy to trap any errors. */ #undef SET_ASM_OP #define SET_ASM_OP "\t.dummy\t" #undef ASM_OUTPUT_DEF #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 ASM_DECLARE_FUNCTION_NAME #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \ do { \ if (!flag_inhibit_size_directive) \ { \ fputs ("\t.ent\t", STREAM); \ assemble_name (STREAM, NAME); \ putc ('\n', STREAM); \ } \ ASM_OUTPUT_TYPE_DIRECTIVE (STREAM, NAME, "function"); \ assemble_name (STREAM, NAME); \ fputs (":\n", STREAM); \ } while (0) #undef ASM_DECLARE_FUNCTION_SIZE #define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \ do { \ if (!flag_inhibit_size_directive) \ { \ fputs ("\t.end\t", STREAM); \ assemble_name (STREAM, NAME); \ putc ('\n', STREAM); \ } \ } while (0) /* Tell function_prologue in mips.c that we have already output the .ent/.end pseudo-ops. */ #undef FUNCTION_NAME_ALREADY_DECLARED #define FUNCTION_NAME_ALREADY_DECLARED 1 /* The glibc _mcount stub will save $v0 for us. Don't mess with saving it, since ASM_OUTPUT_REG_PUSH/ASM_OUTPUT_REG_POP do not work in the presence of $gp-relative calls. */ #undef ASM_OUTPUT_REG_PUSH #undef ASM_OUTPUT_REG_POP #undef LIB_SPEC #define LIB_SPEC "\ %{shared: -lc} \ %{!shared: %{pthread:-lpthread} \ %{profile:-lc_p} %{!profile: -lc}}" #define MD_UNWIND_SUPPORT "config/mips/linux-unwind.h"
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