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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [mips/] [gnu-user.h] - Blame information for rev 709

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1 709 jeremybenn
/* Definitions for MIPS systems using GNU userspace.
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   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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   2007, 2008, 2010, 2011 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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#undef ASM_DECLARE_OBJECT_NAME
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#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name
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/* If we don't set MASK_ABICALLS, we can't default to PIC.  */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT MASK_ABICALLS
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#define TARGET_OS_CPP_BUILTINS()                                \
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  do {                                                          \
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    GNU_USER_TARGET_OS_CPP_BUILTINS();                          \
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    /* The GNU C++ standard library requires this.  */          \
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    if (c_dialect_cxx ())                                       \
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      builtin_define ("_GNU_SOURCE");                           \
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  } while (0)
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
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/* A standard GNU/Linux mapping.  On most targets, it is included in
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   CC1_SPEC itself by config/linux.h, but mips.h overrides CC1_SPEC
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   and provides this hook instead.  */
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#undef SUBTARGET_CC1_SPEC
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#define SUBTARGET_CC1_SPEC "%{profile:-p}"
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/* From iris5.h */
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/* -G is incompatible with -KPIC which is the default, so only allow objects
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   in the small data section if the user explicitly asks for it.  */
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#undef MIPS_DEFAULT_GVALUE
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#define MIPS_DEFAULT_GVALUE 0
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/* Borrowed from sparc/linux.h */
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#undef LINK_SPEC
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#define LINK_SPEC \
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 "%(endian_spec) \
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  %{shared:-shared} \
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  %{!shared: \
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    %{!static: \
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      %{rdynamic:-export-dynamic} \
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      -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
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      %{static:-static}}"
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#undef SUBTARGET_ASM_SPEC
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#define SUBTARGET_ASM_SPEC \
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  "%{!mno-abicalls:%{mplt:-call_nonpic;:-KPIC}}"
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/* The MIPS assembler has different syntax for .set. We set it to
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   .dummy to trap any errors.  */
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#undef SET_ASM_OP
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#define SET_ASM_OP "\t.dummy\t"
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#undef ASM_OUTPUT_DEF
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#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)                              \
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 do {                                                                   \
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        fputc ( '\t', FILE);                                            \
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        assemble_name (FILE, LABEL1);                                   \
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        fputs ( " = ", FILE);                                           \
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        assemble_name (FILE, LABEL2);                                   \
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        fputc ( '\n', FILE);                                            \
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 } while (0)
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/* The glibc _mcount stub will save $v0 for us.  Don't mess with saving
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   it, since ASM_OUTPUT_REG_PUSH/ASM_OUTPUT_REG_POP do not work in the
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   presence of $gp-relative calls.  */
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#undef ASM_OUTPUT_REG_PUSH
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#undef ASM_OUTPUT_REG_POP
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#undef LIB_SPEC
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#define LIB_SPEC "\
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%{pthread:-lpthread} \
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%{shared:-lc} \
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%{!shared: \
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  %{profile:-lc_p} %{!profile:-lc}}"
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#ifdef HAVE_AS_NO_SHARED
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/* Default to -mno-shared for non-PIC.  */
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# define NO_SHARED_SPECS \
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  "%{mshared|mno-shared|fpic|fPIC|fpie|fPIE:;:-mno-shared}"
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#else
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# define NO_SHARED_SPECS ""
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#endif
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/* -march=native handling only makes sense with compiler running on
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   a MIPS chip.  */
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#if defined(__mips__)
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extern const char *host_detect_local_cpu (int argc, const char **argv);
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# define EXTRA_SPEC_FUNCTIONS \
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  { "local_cpu_detect", host_detect_local_cpu },
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# define MARCH_MTUNE_NATIVE_SPECS                               \
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  " %{march=native:%<march=native %:local_cpu_detect(arch)}"    \
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  " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
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#else
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# define MARCH_MTUNE_NATIVE_SPECS ""
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#endif
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#define LINUX_DRIVER_SELF_SPECS \
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  NO_SHARED_SPECS                                                       \
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  MARCH_MTUNE_NATIVE_SPECS,                                             \
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  /* -mplt has no effect without -mno-shared.  Simplify later           \
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     specs handling by removing a redundant option.  */                 \
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  "%{!mno-shared:%<mplt}",                                              \
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  /* -mplt likewise has no effect for -mabi=64 without -msym32.  */     \
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  "%{mabi=64:%{!msym32:%<mplt}}"
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#undef DRIVER_SELF_SPECS
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#define DRIVER_SELF_SPECS \
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  BASE_DRIVER_SELF_SPECS, \
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  LINUX_DRIVER_SELF_SPECS
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/* Similar to standard Linux, but adding -ffast-math support.  */
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#undef  ENDFILE_SPEC
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#define ENDFILE_SPEC \
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  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
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   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"

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