/* Definitions for MIPS running Linux-based GNU systems with ELF format.
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/* Definitions for MIPS running Linux-based GNU systems with ELF format.
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Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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2007, 2008 Free Software Foundation, Inc.
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2007, 2008 Free Software Foundation, Inc.
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This file is part of GCC.
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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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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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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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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#undef WCHAR_TYPE
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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#define WCHAR_TYPE_SIZE 32
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#undef ASM_DECLARE_OBJECT_NAME
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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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#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name
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#undef TARGET_VERSION
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#undef TARGET_VERSION
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#if TARGET_ENDIAN_DEFAULT == 0
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#if TARGET_ENDIAN_DEFAULT == 0
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#define TARGET_VERSION fprintf (stderr, " (MIPSel GNU/Linux with ELF)");
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#define TARGET_VERSION fprintf (stderr, " (MIPSel GNU/Linux with ELF)");
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#else
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#else
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#define TARGET_VERSION fprintf (stderr, " (MIPS GNU/Linux with ELF)");
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#define TARGET_VERSION fprintf (stderr, " (MIPS GNU/Linux with ELF)");
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#endif
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#endif
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#undef MD_EXEC_PREFIX
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#undef MD_EXEC_PREFIX
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#undef MD_STARTFILE_PREFIX
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#undef MD_STARTFILE_PREFIX
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/* If we don't set MASK_ABICALLS, we can't default to PIC. */
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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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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT MASK_ABICALLS
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#define TARGET_DEFAULT MASK_ABICALLS
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#define TARGET_OS_CPP_BUILTINS() \
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#define TARGET_OS_CPP_BUILTINS() \
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do { \
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do { \
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LINUX_TARGET_OS_CPP_BUILTINS(); \
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LINUX_TARGET_OS_CPP_BUILTINS(); \
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/* The GNU C++ standard library requires this. */ \
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/* The GNU C++ standard library requires this. */ \
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if (c_dialect_cxx ()) \
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if (c_dialect_cxx ()) \
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builtin_define ("_GNU_SOURCE"); \
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builtin_define ("_GNU_SOURCE"); \
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} while (0)
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} while (0)
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#undef SUBTARGET_CPP_SPEC
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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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#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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/* 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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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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and provides this hook instead. */
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#undef SUBTARGET_CC1_SPEC
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#undef SUBTARGET_CC1_SPEC
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#define SUBTARGET_CC1_SPEC "%{profile:-p}"
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#define SUBTARGET_CC1_SPEC "%{profile:-p}"
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/* From iris5.h */
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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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/* -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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in the small data section if the user explicitly asks for it. */
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#undef MIPS_DEFAULT_GVALUE
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#undef MIPS_DEFAULT_GVALUE
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#define MIPS_DEFAULT_GVALUE 0
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#define MIPS_DEFAULT_GVALUE 0
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#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
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#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
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/* Borrowed from sparc/linux.h */
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/* Borrowed from sparc/linux.h */
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#undef LINK_SPEC
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#undef LINK_SPEC
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#define LINK_SPEC \
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#define LINK_SPEC \
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"%(endian_spec) \
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"%(endian_spec) \
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%{shared:-shared} \
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%{shared:-shared} \
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%{!shared: \
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%{!shared: \
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%{!ibcs: \
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%{!ibcs: \
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%{!static: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
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%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
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%{static:-static}}}"
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%{static:-static}}}"
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#undef SUBTARGET_ASM_SPEC
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#undef SUBTARGET_ASM_SPEC
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#define 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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"%{!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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/* 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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.dummy to trap any errors. */
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#undef SET_ASM_OP
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#undef SET_ASM_OP
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#define SET_ASM_OP "\t.dummy\t"
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#define SET_ASM_OP "\t.dummy\t"
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#undef ASM_OUTPUT_DEF
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#undef ASM_OUTPUT_DEF
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#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
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#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
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do { \
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do { \
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fputc ( '\t', FILE); \
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fputc ( '\t', FILE); \
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assemble_name (FILE, LABEL1); \
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assemble_name (FILE, LABEL1); \
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fputs ( " = ", FILE); \
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fputs ( " = ", FILE); \
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assemble_name (FILE, LABEL2); \
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assemble_name (FILE, LABEL2); \
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fputc ( '\n', FILE); \
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fputc ( '\n', FILE); \
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} while (0)
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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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/* 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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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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presence of $gp-relative calls. */
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#undef ASM_OUTPUT_REG_PUSH
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#undef ASM_OUTPUT_REG_PUSH
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#undef ASM_OUTPUT_REG_POP
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#undef ASM_OUTPUT_REG_POP
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#undef LIB_SPEC
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#undef LIB_SPEC
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#define LIB_SPEC "\
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#define LIB_SPEC "\
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%{pthread:-lpthread} \
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%{pthread:-lpthread} \
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%{shared:-lc} \
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%{shared:-lc} \
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%{!shared: \
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%{!shared: \
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%{profile:-lc_p} %{!profile:-lc}}"
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%{profile:-lc_p} %{!profile:-lc}}"
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#define MD_UNWIND_SUPPORT "config/mips/linux-unwind.h"
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#define MD_UNWIND_SUPPORT "config/mips/linux-unwind.h"
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#ifdef HAVE_AS_NO_SHARED
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#ifdef HAVE_AS_NO_SHARED
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/* Default to -mno-shared for non-PIC. */
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/* Default to -mno-shared for non-PIC. */
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# define NO_SHARED_SPECS \
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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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"%{mshared|mno-shared|fpic|fPIC|fpie|fPIE:;:-mno-shared}"
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#else
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#else
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# define NO_SHARED_SPECS ""
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# define NO_SHARED_SPECS ""
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#endif
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#endif
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/* -march=native handling only makes sense with compiler running on
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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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a MIPS chip. */
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#if defined(__mips__)
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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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extern const char *host_detect_local_cpu (int argc, const char **argv);
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# define EXTRA_SPEC_FUNCTIONS \
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# define EXTRA_SPEC_FUNCTIONS \
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{ "local_cpu_detect", host_detect_local_cpu },
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{ "local_cpu_detect", host_detect_local_cpu },
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# define MARCH_MTUNE_NATIVE_SPECS \
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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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" %{march=native:%<march=native %:local_cpu_detect(arch)}" \
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" %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
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" %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
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#else
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#else
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# define MARCH_MTUNE_NATIVE_SPECS ""
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# define MARCH_MTUNE_NATIVE_SPECS ""
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#endif
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#endif
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#define LINUX_DRIVER_SELF_SPECS \
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#define LINUX_DRIVER_SELF_SPECS \
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NO_SHARED_SPECS \
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NO_SHARED_SPECS \
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MARCH_MTUNE_NATIVE_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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/* -mplt has no effect without -mno-shared. Simplify later \
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specs handling by removing a redundant option. */ \
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specs handling by removing a redundant option. */ \
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"%{!mno-shared:%<mplt}", \
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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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/* -mplt likewise has no effect for -mabi=64 without -msym32. */ \
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"%{mabi=64:%{!msym32:%<mplt}}"
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"%{mabi=64:%{!msym32:%<mplt}}"
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#undef DRIVER_SELF_SPECS
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#undef DRIVER_SELF_SPECS
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#define DRIVER_SELF_SPECS \
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#define DRIVER_SELF_SPECS \
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BASE_DRIVER_SELF_SPECS, \
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BASE_DRIVER_SELF_SPECS, \
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LINUX_DRIVER_SELF_SPECS
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LINUX_DRIVER_SELF_SPECS
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