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Diffstat (limited to 'gcc/config/mips/gnu-user.h')
| -rw-r--r-- | gcc/config/mips/gnu-user.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/gcc/config/mips/gnu-user.h b/gcc/config/mips/gnu-user.h new file mode 100644 index 00000000000..49c459bc743 --- /dev/null +++ b/gcc/config/mips/gnu-user.h @@ -0,0 +1,140 @@ +/* Definitions for MIPS systems using GNU userspace. + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2007, 2008, 2010, 2011 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 3, 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 COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + +#undef ASM_DECLARE_OBJECT_NAME +#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name + +/* 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 { \ + GNU_USER_TARGET_OS_CPP_BUILTINS(); \ + /* The GNU C++ standard library requires this. */ \ + if (c_dialect_cxx ()) \ + builtin_define ("_GNU_SOURCE"); \ + } 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 + +/* Borrowed from sparc/linux.h */ +#undef LINK_SPEC +#define LINK_SPEC \ + "%(endian_spec) \ + %{shared:-shared} \ + %{!shared: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ + %{static:-static}}" + +#undef SUBTARGET_ASM_SPEC +#define SUBTARGET_ASM_SPEC \ + "%{!mno-abicalls:%{mplt:-call_nonpic;:-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) + +/* 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 "\ +%{pthread:-lpthread} \ +%{shared:-lc} \ +%{!shared: \ + %{profile:-lc_p} %{!profile:-lc}}" + +#ifdef HAVE_AS_NO_SHARED +/* Default to -mno-shared for non-PIC. */ +# define NO_SHARED_SPECS \ + "%{mshared|mno-shared|fpic|fPIC|fpie|fPIE:;:-mno-shared}" +#else +# define NO_SHARED_SPECS "" +#endif + +/* -march=native handling only makes sense with compiler running on + a MIPS chip. */ +#if defined(__mips__) +extern const char *host_detect_local_cpu (int argc, const char **argv); +# define EXTRA_SPEC_FUNCTIONS \ + { "local_cpu_detect", host_detect_local_cpu }, + +# define MARCH_MTUNE_NATIVE_SPECS \ + " %{march=native:%<march=native %:local_cpu_detect(arch)}" \ + " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" +#else +# define MARCH_MTUNE_NATIVE_SPECS "" +#endif + +#define LINUX_DRIVER_SELF_SPECS \ + NO_SHARED_SPECS \ + MARCH_MTUNE_NATIVE_SPECS, \ + /* -mplt has no effect without -mno-shared. Simplify later \ + specs handling by removing a redundant option. */ \ + "%{!mno-shared:%<mplt}", \ + /* -mplt likewise has no effect for -mabi=64 without -msym32. */ \ + "%{mabi=64:%{!msym32:%<mplt}}" + +#undef DRIVER_SELF_SPECS +#define DRIVER_SELF_SPECS \ + BASE_DRIVER_SELF_SPECS, \ + LINUX_DRIVER_SELF_SPECS + +/* Similar to standard Linux, but adding -ffast-math support. */ +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ + %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" |