| /* Definitions for MIPS systems using GNU userspace. |
| Copyright (C) 1998-2015 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 GNU_USER_TARGET_CC1_SPEC |
| |
| /* -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 |
| |
| #undef GNU_USER_TARGET_LINK_SPEC |
| #define GNU_USER_TARGET_LINK_SPEC "\ |
| %{G*} %{EB} %{EL} %{mips*} %{shared} \ |
| %{!shared: \ |
| %{!static: \ |
| %{rdynamic:-export-dynamic} \ |
| %{mabi=n32: -dynamic-linker " GNU_USER_DYNAMIC_LINKERN32 "} \ |
| %{mabi=64: -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ |
| %{mabi=32: -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \ |
| %{static}} \ |
| %{mabi=n32:-m" GNU_USER_LINK_EMULATIONN32 "} \ |
| %{mabi=64:-m" GNU_USER_LINK_EMULATION64 "} \ |
| %{mabi=32:-m" GNU_USER_LINK_EMULATION32 "}" |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC GNU_USER_TARGET_LINK_SPEC |
| |
| #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 $gp-relative calls. */ |
| #undef ASM_OUTPUT_REG_PUSH |
| #undef ASM_OUTPUT_REG_POP |
| |
| #undef LIB_SPEC |
| #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC |
| |
| #ifdef HAVE_AS_NO_SHARED |
| /* Default to -mno-shared for non-PIC. */ |
| # define NO_SHARED_SPECS \ |
| " %{mshared|mno-shared|fpic|fPIC|fpie|fPIE:;:-mno-shared}" |
| #else |
| # define NO_SHARED_SPECS "" |
| #endif |
| |
| /* -march=native handling only makes sense with compiler running on |
| a MIPS chip. */ |
| #if defined(__mips__) |
| extern const char *host_detect_local_cpu (int argc, const char **argv); |
| # define EXTRA_SPEC_FUNCTIONS \ |
| { "local_cpu_detect", host_detect_local_cpu }, |
| |
| # define MARCH_MTUNE_NATIVE_SPECS \ |
| " %{march=native:%<march=native %:local_cpu_detect(arch)}" \ |
| " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" |
| #else |
| # define MARCH_MTUNE_NATIVE_SPECS "" |
| #endif |
| |
| #define LINUX_DRIVER_SELF_SPECS \ |
| NO_SHARED_SPECS \ |
| MARCH_MTUNE_NATIVE_SPECS, \ |
| /* -mplt has no effect without -mno-shared. Simplify later \ |
| specs handling by removing a redundant option. */ \ |
| "%{!mno-shared:%<mplt}", \ |
| /* -mplt likewise has no effect for -mabi=64 without -msym32. */ \ |
| "%{mabi=64:%{!msym32:%<mplt}}", \ |
| "%{!EB:%{!EL:%(endian_spec)}}", \ |
| "%{!mabi=*: -" MULTILIB_ABI_DEFAULT "}" |
| |
| #undef DRIVER_SELF_SPECS |
| #define DRIVER_SELF_SPECS \ |
| MIPS_ISA_LEVEL_SPEC, \ |
| BASE_DRIVER_SELF_SPECS, \ |
| LINUX_DRIVER_SELF_SPECS |
| |
| /* Similar to standard Linux, but adding -ffast-math support. */ |
| #undef GNU_USER_TARGET_MATHFILE_SPEC |
| #define GNU_USER_TARGET_MATHFILE_SPEC \ |
| "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC \ |
| GNU_USER_TARGET_MATHFILE_SPEC " " \ |
| GNU_USER_TARGET_ENDFILE_SPEC |
| |
| #undef LOCAL_LABEL_PREFIX |
| #define LOCAL_LABEL_PREFIX (TARGET_OLDABI ? "$" : ".") |