| /* 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, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, 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"); \ |
| \ |
| if (TARGET_INT64) \ |
| builtin_define ("_MIPS_SZINT=64"); \ |
| else \ |
| 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" |