diff options
Diffstat (limited to 'contrib/gcc/config/mips/linux.h')
| -rw-r--r-- | contrib/gcc/config/mips/linux.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/contrib/gcc/config/mips/linux.h b/contrib/gcc/config/mips/linux.h new file mode 100644 index 0000000..ff268d4 --- /dev/null +++ b/contrib/gcc/config/mips/linux.h @@ -0,0 +1,181 @@ +/* Definitions for MIPS running Linux-based GNU systems with ELF format. + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 + 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(); \ + /* 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 "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" + +/* A standard GNU/Linux mapping. On most targets, it is included in + CC1_SPEC itself by config/linux.h, but mips.h overrides CC1_SPEC + and provides this hook instead. */ +#undef SUBTARGET_CC1_SPEC +#define SUBTARGET_CC1_SPEC "%{profile:-p}" + +/* 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 + +#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + +/* 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 " LINUX_DYNAMIC_LINKER "}} \ + %{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" |
