gcc/config/sparc/linux64.h - gcc - Git at Google

 /* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
    Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004
    Free Software Foundation, Inc.
    Contributed by David S. Miller (davem@caip.rutgers.edu)

 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, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */

 #define TARGET_OS_CPP_BUILTINS()		\
   do						\
     {						\
 	builtin_define_std ("unix");		\
 	builtin_define_std ("linux");		\
 	builtin_define ("_LONGLONG");		\
 	builtin_define ("__gnu_linux__");	\
 	builtin_assert ("system=linux");	\
 	builtin_assert ("system=unix");		\
 	builtin_assert ("system=posix");	\
     }						\
   while (0)

 /* Don't assume anything about the header files.  */
 #define NO_IMPLICIT_EXTERN_C

 #undef MD_EXEC_PREFIX
 #undef MD_STARTFILE_PREFIX

 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
     || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
     || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
 /* A 64 bit v9 compiler with stack-bias,
    in a Medium/Low code model environment.  */

 #undef TARGET_DEFAULT
 #define TARGET_DEFAULT \
   (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
    + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
 #endif

 #undef ASM_CPU_DEFAULT_SPEC
 #define ASM_CPU_DEFAULT_SPEC "-Av9a"

 #ifdef SPARC_BI_ARCH

 #undef CPP_ARCH32_SPEC
 #define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__}"

 #endif

 /* Provide a STARTFILE_SPEC appropriate for GNU/Linux.  Here we add
    the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
    provides part of the support for getting C++ file-scope static
    object constructed before entering `main'.  */

 #undef  STARTFILE_SPEC

 #ifdef HAVE_LD_PIE
 #define STARTFILE_SPEC \
   "%{!shared:%{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
    crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
 #else
 #define STARTFILE_SPEC \
   "%{!shared:%{pg|p:gcrt1.o%s;:crt1.o%s}}\
    crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
 #endif

 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
    the GNU/Linux magical crtend.o file (see crtstuff.c) which
    provides part of the support for getting C++ file-scope static
    object constructed before entering `main', followed by a normal
    GNU/Linux "finalizer" file, `crtn.o'.  */

 #undef  ENDFILE_SPEC

 #define ENDFILE_SPEC \
   "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
    %{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"

 /* The GNU C++ standard library requires that these macros be defined.  */
 #undef CPLUSPLUS_CPP_SPEC
 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"

 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)");

 /* The default code model.  */
 #undef SPARC_DEFAULT_CMODEL
 #define SPARC_DEFAULT_CMODEL CM_MEDLOW

 #undef SUBTARGET_SWITCHES
 #define SUBTARGET_SWITCHES						    \
 {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") },  \
 {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },

 #undef WCHAR_TYPE
 #define WCHAR_TYPE "int"

 #undef WCHAR_TYPE_SIZE
 #define WCHAR_TYPE_SIZE 32

 /* Define for support of TFmode long double.
    SPARC ABI says that long double is 4 words.  */
 #undef LONG_DOUBLE_TYPE_SIZE
 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)

 /* Constant which presents upper bound of the above value.  */
 #undef MAX_LONG_DOUBLE_TYPE_SIZE
 #define MAX_LONG_DOUBLE_TYPE_SIZE 128

 /* Define this to set long double type size to use in libgcc2.c, which can
    not depend on target_flags.  */
 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
 #else
 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
 #endif

 #undef CPP_SUBTARGET_SPEC
 #define CPP_SUBTARGET_SPEC "\
 %{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} \
 %{posix:-D_POSIX_SOURCE} \
 %{pthread:-D_REENTRANT} \
 "

 #undef LIB_SPEC
 #define LIB_SPEC \
   "%{pthread:-lpthread} \
    %{shared:-lc} \
    %{!shared: %{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"

 /* Provide a LINK_SPEC appropriate for GNU/Linux.  Here we provide support
    for the special GCC options -static and -shared, which allow us to
    link things in one of these three modes by applying the appropriate
    combinations of options at link-time. We like to support here for
    as many of the other GNU linker options as possible. But I don't
    have the time to search for those flags. I am sure how to add
    support for -soname shared_object_name. H.J.

    I took out %{v:%{!V:-V}}. It is too much :-(. They can use
    -Wl,-V.

    When the -shared link option is used a final link is not being
    done.  */

 /* If ELF is the default format, we should not use /lib/elf.  */

 #ifdef SPARC_BI_ARCH

 #undef SUBTARGET_EXTRA_SPECS
 #define SUBTARGET_EXTRA_SPECS \
   { "link_arch32",       LINK_ARCH32_SPEC },              \
   { "link_arch64",       LINK_ARCH64_SPEC },              \
   { "link_arch_default", LINK_ARCH_DEFAULT_SPEC },	  \
   { "link_arch",	 LINK_ARCH_SPEC },

 #define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
   %{!shared: \
     %{!ibcs: \
       %{!static: \
         %{rdynamic:-export-dynamic} \
         %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
         %{static:-static}}} \
 "

 #define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
   %{!shared: \
     %{!ibcs: \
       %{!static: \
         %{rdynamic:-export-dynamic} \
         %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
         %{static:-static}}} \
 "

 #define LINK_ARCH_SPEC "\
 %{m32:%(link_arch32)} \
 %{m64:%(link_arch64)} \
 %{!m32:%{!m64:%(link_arch_default)}} \
 "

 #define LINK_ARCH_DEFAULT_SPEC \
 (DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)

 #undef  LINK_SPEC
 #define LINK_SPEC "\
 %(link_arch) \
 %{mlittle-endian:-EL} \
 %{!mno-relax:%{!r:-relax}} \
 "

 #undef	CC1_SPEC
 #if DEFAULT_ARCH32_P
 #define CC1_SPEC "\
 %{sun4:} %{target:} \
 %{mcypress:-mcpu=cypress} \
 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
 %{m32:%{m64:%emay not use both -m32 and -m64}} \
 %{m64:-mptr64 -mstack-bias -mlong-double-128 \
   %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=ultrasparc}}}}}}} \
   %{!mno-vis:%{!mcpu=v9:-mvis}}} \
 "
 #else
 #define CC1_SPEC "\
 %{sun4:} %{target:} \
 %{mcypress:-mcpu=cypress} \
 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
 %{m32:%{m64:%emay not use both -m32 and -m64}} \
 %{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
   %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}}} \
 %{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
 %{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \
 "
 #endif

 /* Support for a compile-time default CPU, et cetera.  The rules are:
    --with-cpu is ignored if -mcpu is specified.
    --with-tune is ignored if -mtune is specified.
    --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
      are specified.
    In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
    here, otherwise say -mcpu=v7 would be passed even when -m64.
    CC1_SPEC above takes care of this instead.  */
 #undef OPTION_DEFAULT_SPECS
 #if DEFAULT_ARCH32_P
 #define OPTION_DEFAULT_SPECS \
   {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
   {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
   {"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
 #else
 #define OPTION_DEFAULT_SPECS \
   {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
   {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
   {"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
 #endif

 #if DEFAULT_ARCH32_P
 #define MULTILIB_DEFAULTS { "m32" }
 #else
 #define MULTILIB_DEFAULTS { "m64" }
 #endif

 #else /* !SPARC_BI_ARCH */

 #undef LINK_SPEC
 #define LINK_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
   %{!shared: \
     %{!ibcs: \
       %{!static: \
         %{rdynamic:-export-dynamic} \
         %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
         %{static:-static}}} \
 %{mlittle-endian:-EL} \
 %{!mno-relax:%{!r:-relax}} \
 "

 #endif /* !SPARC_BI_ARCH */

 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
    It's safe to pass -s always, even if -g is not used.  */
 #undef ASM_SPEC
 #define ASM_SPEC "\
 %{V} \
 %{v:%{!V:-V}} \
 %{!Qn:-Qy} \
 %{n} \
 %{T} \
 %{Ym,*} \
 %{Wa,*:%*} \
 -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
 %{mlittle-endian:-EL} \
 %(asm_cpu) %(asm_arch) %(asm_relax)"

 /* Same as sparc.h */
 #undef DBX_REGISTER_NUMBER
 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)

 #define DWARF2_DEBUGGING_INFO 1
 #define DBX_DEBUGGING_INFO 1

 #undef ASM_OUTPUT_ALIGNED_LOCAL
 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)		\
 do {									\
   fputs ("\t.local\t", (FILE));		\
   assemble_name ((FILE), (NAME));					\
   putc ('\n', (FILE));							\
   ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN);			\
 } while (0)

 #undef COMMON_ASM_OP
 #define COMMON_ASM_OP "\t.common\t"

 #undef  LOCAL_LABEL_PREFIX
 #define LOCAL_LABEL_PREFIX  "."

 /* This is how to output a reference to an internal numbered label where
    PREFIX is the class of label and NUM is the number within the class.  */

 #undef  ASM_OUTPUT_INTERNAL_LABELREF
 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM)	\
   fprintf (FILE, ".L%s%d", PREFIX, NUM)

 /* This is how to store into the string LABEL
    the symbol_ref name of an internal numbered label where
    PREFIX is the class of label and NUM is the number within the class.
    This is suitable for output with `assemble_name'.  */

 #undef  ASM_GENERATE_INTERNAL_LABEL
 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)	\
   sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM))

 /* DWARF bits.  */

 /* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
    Obviously the Dwarf2 folks haven't tried to actually build systems
    with their spec.  On a 64-bit system, only 64-bit relocs become
    RELATIVE relocations.  */

 /* #define DWARF_OFFSET_SIZE PTR_SIZE */

 #undef DITF_CONVERSION_LIBFUNCS
 #define DITF_CONVERSION_LIBFUNCS 1

 #if defined(HAVE_LD_EH_FRAME_HDR)
 #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
 #endif

 #ifdef HAVE_AS_TLS
 #undef TARGET_SUN_TLS
 #undef TARGET_GNU_TLS
 #define TARGET_SUN_TLS 0
 #define TARGET_GNU_TLS 1
 #endif

 /* Don't be different from other Linux platforms in this regard.  */
 #define HANDLE_PRAGMA_PACK_PUSH_POP

 /* We use GNU ld so undefine this so that attribute((init_priority)) works.  */
 #undef CTORS_SECTION_ASM_OP
 #undef DTORS_SECTION_ASM_OP

 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack

 /* Determine whether the the entire c99 runtime is present in the
    runtime library.  */
 #define TARGET_C99_FUNCTIONS 1

 #define TARGET_HAS_F_SETLKW

 #undef LINK_GCC_C_SEQUENCE_SPEC
 #define LINK_GCC_C_SEQUENCE_SPEC \
   "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"

 /* Do code reading to identify a signal frame, and set the frame
    state data appropriately.  See unwind-dw2.c for the structs.  */

 /* Handle multilib correctly.  */
 #if defined(__arch64__)
 /* 64-bit SPARC version */
 #define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS)		\
   do {									\
     unsigned int *pc_ = (CONTEXT)->ra;					\
     long new_cfa_, i_;							\
     long regs_off_, fpu_save_off_;					\
     long this_cfa_, fpu_save_;						\
 									\
     if (pc_[0] != 0x82102065		/* mov NR_rt_sigreturn, %g1 */	\
         || pc_[1] != 0x91d0206d)		/* ta 0x6d */		\
       break;								\
     regs_off_ = 192 + 128;						\
     fpu_save_off_ = regs_off_ + (16 * 8) + (3 * 8) + (2 * 4);		\
     this_cfa_ = (long) (CONTEXT)->cfa;					\
     new_cfa_ = *(long *)(((CONTEXT)->cfa) + (regs_off_ + (14 * 8)));	\
     new_cfa_ += 2047; /* Stack bias */					\
     fpu_save_ = *(long *)((this_cfa_) + (fpu_save_off_));		\
     (FS)->cfa_how = CFA_REG_OFFSET;					\
     (FS)->cfa_reg = 14;							\
     (FS)->cfa_offset = new_cfa_ - (long) (CONTEXT)->cfa;		\
     for (i_ = 1; i_ < 16; ++i_)						\
       {									\
 	(FS)->regs.reg[i_].how = REG_SAVED_OFFSET;			\
 	(FS)->regs.reg[i_].loc.offset =					\
 	  this_cfa_ + (regs_off_ + (i_ * 8)) - new_cfa_;		\
       }									\
     for (i_ = 0; i_ < 16; ++i_)						\
       {									\
 	(FS)->regs.reg[i_ + 16].how = REG_SAVED_OFFSET;			\
 	(FS)->regs.reg[i_ + 16].loc.offset =				\
 	  this_cfa_ + (i_ * 8) - new_cfa_;				\
       }									\
     if (fpu_save_)							\
       {									\
 	for (i_ = 0; i_ < 64; ++i_)					\
 	  {								\
             if (i_ > 32 && (i_ & 0x1))					\
               continue;							\
 	    (FS)->regs.reg[i_ + 32].how = REG_SAVED_OFFSET;		\
 	    (FS)->regs.reg[i_ + 32].loc.offset =			\
 	      (fpu_save_ + (i_ * 4)) - new_cfa_;			\
 	  }								\
       }									\
     /* Stick return address into %g0, same trick Alpha uses.  */	\
     (FS)->regs.reg[0].how = REG_SAVED_OFFSET;				\
     (FS)->regs.reg[0].loc.offset =					\
       this_cfa_ + (regs_off_ + (16 * 8) + 8) - new_cfa_;		\
     (FS)->retaddr_column = 0;						\
     goto SUCCESS;							\
   } while (0)
 #else
 /* 32-bit SPARC version */
 #define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS)		\
   do {									\
     unsigned int *pc_ = (CONTEXT)->ra;					\
     int new_cfa_, i_, oldstyle_;					\
     int regs_off_, fpu_save_off_;					\
     int fpu_save_, this_cfa_;						\
 									\
     if (pc_[1] != 0x91d02010)		/* ta 0x10 */			\
       break;								\
     if (pc_[0] == 0x821020d8)		/* mov NR_sigreturn, %g1 */	\
       oldstyle_ = 1;							\
     else if (pc_[0] == 0x82102065)	/* mov NR_rt_sigreturn, %g1 */	\
       oldstyle_ = 0;							\
     else								\
       break;								\
     if (oldstyle_)							\
       {									\
         regs_off_ = 96;							\
         fpu_save_off_ = regs_off_ + (4 * 4) + (16 * 4);			\
       }									\
     else								\
       {									\
         regs_off_ = 96 + 128;						\
         fpu_save_off_ = regs_off_ + (4 * 4) + (16 * 4) + (2 * 4);	\
       }									\
     this_cfa_ = (int) (CONTEXT)->cfa;					\
     new_cfa_ = *(int *)(((CONTEXT)->cfa) + (regs_off_+(4*4)+(14 * 4)));	\
     fpu_save_ = *(int *)((this_cfa_) + (fpu_save_off_));		\
     (FS)->cfa_how = CFA_REG_OFFSET;					\
     (FS)->cfa_reg = 14;							\
     (FS)->cfa_offset = new_cfa_ - (int) (CONTEXT)->cfa;			\
     for (i_ = 1; i_ < 16; ++i_)						\
       {									\
         if (i_ == 14)							\
           continue;							\
 	(FS)->regs.reg[i_].how = REG_SAVED_OFFSET;			\
 	(FS)->regs.reg[i_].loc.offset =					\
 	   this_cfa_ + (regs_off_+(4 * 4)+(i_ * 4)) - new_cfa_;		\
       }									\
     for (i_ = 0; i_ < 16; ++i_)						\
       {									\
 	(FS)->regs.reg[i_ + 16].how = REG_SAVED_OFFSET;			\
 	(FS)->regs.reg[i_ + 16].loc.offset =				\
 	  this_cfa_ + (i_ * 4) - new_cfa_;				\
       }									\
     if (fpu_save_)							\
       {									\
 	for (i_ = 0; i_ < 32; ++i_)					\
 	  {								\
 	    (FS)->regs.reg[i_ + 32].how = REG_SAVED_OFFSET;		\
 	    (FS)->regs.reg[i_ + 32].loc.offset =			\
 	      (fpu_save_ + (i_ * 4)) - new_cfa_;			\
 	  }								\
       }									\
     /* Stick return address into %g0, same trick Alpha uses.  */	\
     (FS)->regs.reg[0].how = REG_SAVED_OFFSET;				\
     (FS)->regs.reg[0].loc.offset = this_cfa_+(regs_off_+4)-new_cfa_;	\
     (FS)->retaddr_column = 0;						\
     goto SUCCESS;							\
   } while (0)
 #endif
	/* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
	Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004
	Free Software Foundation, Inc.
	Contributed by David S. Miller (davem@caip.rutgers.edu)

	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, 59 Temple Place - Suite 330,
	Boston, MA 02111-1307, USA. */

	#define TARGET_OS_CPP_BUILTINS() \
	do \
	{ \
	builtin_define_std ("unix"); \
	builtin_define_std ("linux"); \
	builtin_define ("_LONGLONG"); \
	builtin_define ("__gnu_linux__"); \
	builtin_assert ("system=linux"); \
	builtin_assert ("system=unix"); \
	builtin_assert ("system=posix"); \
	} \
	while (0)

	/* Don't assume anything about the header files. */
	#define NO_IMPLICIT_EXTERN_C

	#undef MD_EXEC_PREFIX
	#undef MD_STARTFILE_PREFIX

	#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
	\|\| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
	\|\| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
	/* A 64 bit v9 compiler with stack-bias,
	in a Medium/Low code model environment. */

	#undef TARGET_DEFAULT
	#define TARGET_DEFAULT \
	(MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
	+ MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
	#endif

	#undef ASM_CPU_DEFAULT_SPEC
	#define ASM_CPU_DEFAULT_SPEC "-Av9a"

	#ifdef SPARC_BI_ARCH

	#undef CPP_ARCH32_SPEC
	#define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__}"

	#endif

	/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
	the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
	provides part of the support for getting C++ file-scope static
	object constructed before entering `main'. */

	#undef STARTFILE_SPEC

	#ifdef HAVE_LD_PIE
	#define STARTFILE_SPEC \
	"%{!shared:%{pg\|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
	crti.o%s %{static:crtbeginT.o%s;shared\|pie:crtbeginS.o%s;:crtbeginS.o%s}"
	#else
	#define STARTFILE_SPEC \
	"%{!shared:%{pg\|p:gcrt1.o%s;:crt1.o%s}}\
	crti.o%s %{static:crtbeginT.o%s;shared\|pie:crtbeginS.o%s;:crtbeginS.o%s}"
	#endif

	/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
	the GNU/Linux magical crtend.o file (see crtstuff.c) which
	provides part of the support for getting C++ file-scope static
	object constructed before entering `main', followed by a normal
	GNU/Linux "finalizer" file, `crtn.o'. */

	#undef ENDFILE_SPEC

	#define ENDFILE_SPEC \
	"%{shared\|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
	%{ffast-math\|funsafe-math-optimizations:crtfastmath.o%s}"

	/* The GNU C++ standard library requires that these macros be defined. */
	#undef CPLUSPLUS_CPP_SPEC
	#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"

	#undef TARGET_VERSION
	#define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)");

	/* The default code model. */
	#undef SPARC_DEFAULT_CMODEL
	#define SPARC_DEFAULT_CMODEL CM_MEDLOW

	#undef SUBTARGET_SWITCHES
	#define SUBTARGET_SWITCHES \
	{"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
	{"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },

	#undef WCHAR_TYPE
	#define WCHAR_TYPE "int"

	#undef WCHAR_TYPE_SIZE
	#define WCHAR_TYPE_SIZE 32

	/* Define for support of TFmode long double.
	SPARC ABI says that long double is 4 words. */
	#undef LONG_DOUBLE_TYPE_SIZE
	#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)

	/* Constant which presents upper bound of the above value. */
	#undef MAX_LONG_DOUBLE_TYPE_SIZE
	#define MAX_LONG_DOUBLE_TYPE_SIZE 128

	/* Define this to set long double type size to use in libgcc2.c, which can
	not depend on target_flags. */
	#if defined(__arch64__) \|\| defined(__LONG_DOUBLE_128__)
	#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
	#else
	#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
	#endif

	#undef CPP_SUBTARGET_SPEC
	#define CPP_SUBTARGET_SPEC "\
	%{fPIC\|fpic\|fPIE\|fpie:-D__PIC__ -D__pic__} \
	%{posix:-D_POSIX_SOURCE} \
	%{pthread:-D_REENTRANT} \
	"

	#undef LIB_SPEC
	#define LIB_SPEC \
	"%{pthread:-lpthread} \
	%{shared:-lc} \
	%{!shared: %{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"

	/* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support
	for the special GCC options -static and -shared, which allow us to
	link things in one of these three modes by applying the appropriate
	combinations of options at link-time. We like to support here for
	as many of the other GNU linker options as possible. But I don't
	have the time to search for those flags. I am sure how to add
	support for -soname shared_object_name. H.J.

	I took out %{v:%{!V:-V}}. It is too much :-(. They can use
	-Wl,-V.

	When the -shared link option is used a final link is not being
	done. */

	/* If ELF is the default format, we should not use /lib/elf. */

	#ifdef SPARC_BI_ARCH

	#undef SUBTARGET_EXTRA_SPECS
	#define SUBTARGET_EXTRA_SPECS \
	{ "link_arch32", LINK_ARCH32_SPEC }, \
	{ "link_arch64", LINK_ARCH64_SPEC }, \
	{ "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
	{ "link_arch", LINK_ARCH_SPEC },

	#define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
	%{!shared: \
	%{!ibcs: \
	%{!static: \
	%{rdynamic:-export-dynamic} \
	%{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
	%{static:-static}}} \
	"

	#define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
	%{!shared: \
	%{!ibcs: \
	%{!static: \
	%{rdynamic:-export-dynamic} \
	%{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
	%{static:-static}}} \
	"

	#define LINK_ARCH_SPEC "\
	%{m32:%(link_arch32)} \
	%{m64:%(link_arch64)} \
	%{!m32:%{!m64:%(link_arch_default)}} \
	"

	#define LINK_ARCH_DEFAULT_SPEC \
	(DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)

	#undef LINK_SPEC
	#define LINK_SPEC "\
	%(link_arch) \
	%{mlittle-endian:-EL} \
	%{!mno-relax:%{!r:-relax}} \
	"

	#undef CC1_SPEC
	#if DEFAULT_ARCH32_P
	#define CC1_SPEC "\
	%{sun4:} %{target:} \
	%{mcypress:-mcpu=cypress} \
	%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
	%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
	%{m32:%{m64:%emay not use both -m32 and -m64}} \
	%{m64:-mptr64 -mstack-bias -mlong-double-128 \
	%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=ultrasparc}}}}}}} \
	%{!mno-vis:%{!mcpu=v9:-mvis}}} \
	"
	#else
	#define CC1_SPEC "\
	%{sun4:} %{target:} \
	%{mcypress:-mcpu=cypress} \
	%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
	%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
	%{m32:%{m64:%emay not use both -m32 and -m64}} \
	%{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
	%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}}} \
	%{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
	%{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \
	"
	#endif

	/* Support for a compile-time default CPU, et cetera. The rules are:
	--with-cpu is ignored if -mcpu is specified.
	--with-tune is ignored if -mtune is specified.
	--with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
	are specified.
	In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
	here, otherwise say -mcpu=v7 would be passed even when -m64.
	CC1_SPEC above takes care of this instead. */
	#undef OPTION_DEFAULT_SPECS
	#if DEFAULT_ARCH32_P
	#define OPTION_DEFAULT_SPECS \
	{"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
	{"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
	{"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
	#else
	#define OPTION_DEFAULT_SPECS \
	{"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
	{"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
	{"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
	#endif

	#if DEFAULT_ARCH32_P
	#define MULTILIB_DEFAULTS { "m32" }
	#else
	#define MULTILIB_DEFAULTS { "m64" }
	#endif

	#else /* !SPARC_BI_ARCH */

	#undef LINK_SPEC
	#define LINK_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
	%{!shared: \
	%{!ibcs: \
	%{!static: \
	%{rdynamic:-export-dynamic} \
	%{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
	%{static:-static}}} \
	%{mlittle-endian:-EL} \
	%{!mno-relax:%{!r:-relax}} \
	"

	#endif /* !SPARC_BI_ARCH */

	/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
	It's safe to pass -s always, even if -g is not used. */
	#undef ASM_SPEC
	#define ASM_SPEC "\
	%{V} \
	%{v:%{!V:-V}} \
	%{!Qn:-Qy} \
	%{n} \
	%{T} \
	%{Ym,*} \
	%{Wa,:%} \
	-s %{fpic\|fPIC\|fpie\|fPIE:-K PIC} \
	%{mlittle-endian:-EL} \
	%(asm_cpu) %(asm_arch) %(asm_relax)"

	/* Same as sparc.h */
	#undef DBX_REGISTER_NUMBER
	#define DBX_REGISTER_NUMBER(REGNO) (REGNO)

	#define DWARF2_DEBUGGING_INFO 1
	#define DBX_DEBUGGING_INFO 1

	#undef ASM_OUTPUT_ALIGNED_LOCAL
	#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
	do { \
	fputs ("\t.local\t", (FILE)); \
	assemble_name ((FILE), (NAME)); \
	putc ('\n', (FILE)); \
	ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
	} while (0)

	#undef COMMON_ASM_OP
	#define COMMON_ASM_OP "\t.common\t"

	#undef LOCAL_LABEL_PREFIX
	#define LOCAL_LABEL_PREFIX "."

	/* This is how to output a reference to an internal numbered label where
	PREFIX is the class of label and NUM is the number within the class. */

	#undef ASM_OUTPUT_INTERNAL_LABELREF
	#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
	fprintf (FILE, ".L%s%d", PREFIX, NUM)

	/* This is how to store into the string LABEL
	the symbol_ref name of an internal numbered label where
	PREFIX is the class of label and NUM is the number within the class.
	This is suitable for output with `assemble_name'. */

	#undef ASM_GENERATE_INTERNAL_LABEL
	#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
	sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM))

	/* DWARF bits. */

	/* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
	Obviously the Dwarf2 folks haven't tried to actually build systems
	with their spec. On a 64-bit system, only 64-bit relocs become
	RELATIVE relocations. */

	/* #define DWARF_OFFSET_SIZE PTR_SIZE */

	#undef DITF_CONVERSION_LIBFUNCS
	#define DITF_CONVERSION_LIBFUNCS 1

	#if defined(HAVE_LD_EH_FRAME_HDR)
	#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
	#endif

	#ifdef HAVE_AS_TLS
	#undef TARGET_SUN_TLS
	#undef TARGET_GNU_TLS
	#define TARGET_SUN_TLS 0
	#define TARGET_GNU_TLS 1
	#endif

	/* Don't be different from other Linux platforms in this regard. */
	#define HANDLE_PRAGMA_PACK_PUSH_POP

	/* We use GNU ld so undefine this so that attribute((init_priority)) works. */
	#undef CTORS_SECTION_ASM_OP
	#undef DTORS_SECTION_ASM_OP

	#define TARGET_ASM_FILE_END file_end_indicate_exec_stack

	/* Determine whether the the entire c99 runtime is present in the
	runtime library. */
	#define TARGET_C99_FUNCTIONS 1

	#define TARGET_HAS_F_SETLKW

	#undef LINK_GCC_C_SEQUENCE_SPEC
	#define LINK_GCC_C_SEQUENCE_SPEC \
	"%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"

	/* Do code reading to identify a signal frame, and set the frame
	state data appropriately. See unwind-dw2.c for the structs. */

	/* Handle multilib correctly. */
	#if defined(__arch64__)
	/* 64-bit SPARC version */
	#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS) \
	do { \
	unsigned int *pc_ = (CONTEXT)->ra; \
	long new_cfa_, i_; \
	long regs_off_, fpu_save_off_; \
	long this_cfa_, fpu_save_; \
	\
	if (pc_[0] != 0x82102065 /* mov NR_rt_sigreturn, %g1 */ \
	\|\| pc_[1] != 0x91d0206d) /* ta 0x6d */ \
	break; \
	regs_off_ = 192 + 128; \
	fpu_save_off_ = regs_off_ + (16 * 8) + (3 * 8) + (2 * 4); \
	this_cfa_ = (long) (CONTEXT)->cfa; \
	new_cfa_ = (long )(((CONTEXT)->cfa) + (regs_off_ + (14 * 8))); \
	new_cfa_ += 2047; /* Stack bias */ \
	fpu_save_ = (long )((this_cfa_) + (fpu_save_off_)); \
	(FS)->cfa_how = CFA_REG_OFFSET; \
	(FS)->cfa_reg = 14; \
	(FS)->cfa_offset = new_cfa_ - (long) (CONTEXT)->cfa; \
	for (i_ = 1; i_ < 16; ++i_) \
	{ \
	(FS)->regs.reg[i_].how = REG_SAVED_OFFSET; \
	(FS)->regs.reg[i_].loc.offset = \
	this_cfa_ + (regs_off_ + (i_ * 8)) - new_cfa_; \
	} \
	for (i_ = 0; i_ < 16; ++i_) \
	{ \
	(FS)->regs.reg[i_ + 16].how = REG_SAVED_OFFSET; \
	(FS)->regs.reg[i_ + 16].loc.offset = \
	this_cfa_ + (i_ * 8) - new_cfa_; \
	} \
	if (fpu_save_) \
	{ \
	for (i_ = 0; i_ < 64; ++i_) \
	{ \
	if (i_ > 32 && (i_ & 0x1)) \
	continue; \
	(FS)->regs.reg[i_ + 32].how = REG_SAVED_OFFSET; \
	(FS)->regs.reg[i_ + 32].loc.offset = \
	(fpu_save_ + (i_ * 4)) - new_cfa_; \
	} \
	} \
	/* Stick return address into %g0, same trick Alpha uses. */ \
	(FS)->regs.reg[0].how = REG_SAVED_OFFSET; \
	(FS)->regs.reg[0].loc.offset = \
	this_cfa_ + (regs_off_ + (16 * 8) + 8) - new_cfa_; \
	(FS)->retaddr_column = 0; \
	goto SUCCESS; \
	} while (0)
	#else
	/* 32-bit SPARC version */
	#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS) \
	do { \
	unsigned int *pc_ = (CONTEXT)->ra; \
	int new_cfa_, i_, oldstyle_; \
	int regs_off_, fpu_save_off_; \
	int fpu_save_, this_cfa_; \
	\
	if (pc_[1] != 0x91d02010) /* ta 0x10 */ \
	break; \
	if (pc_[0] == 0x821020d8) /* mov NR_sigreturn, %g1 */ \
	oldstyle_ = 1; \
	else if (pc_[0] == 0x82102065) /* mov NR_rt_sigreturn, %g1 */ \
	oldstyle_ = 0; \
	else \
	break; \
	if (oldstyle_) \
	{ \
	regs_off_ = 96; \
	fpu_save_off_ = regs_off_ + (4 * 4) + (16 * 4); \
	} \
	else \
	{ \
	regs_off_ = 96 + 128; \
	fpu_save_off_ = regs_off_ + (4 * 4) + (16 * 4) + (2 * 4); \
	} \
	this_cfa_ = (int) (CONTEXT)->cfa; \
	new_cfa_ = (int )(((CONTEXT)->cfa) + (regs_off_+(44)+(14 4))); \
	fpu_save_ = (int )((this_cfa_) + (fpu_save_off_)); \
	(FS)->cfa_how = CFA_REG_OFFSET; \
	(FS)->cfa_reg = 14; \
	(FS)->cfa_offset = new_cfa_ - (int) (CONTEXT)->cfa; \
	for (i_ = 1; i_ < 16; ++i_) \
	{ \
	if (i_ == 14) \
	continue; \
	(FS)->regs.reg[i_].how = REG_SAVED_OFFSET; \
	(FS)->regs.reg[i_].loc.offset = \
	this_cfa_ + (regs_off_+(4 * 4)+(i_ * 4)) - new_cfa_; \
	} \
	for (i_ = 0; i_ < 16; ++i_) \
	{ \
	(FS)->regs.reg[i_ + 16].how = REG_SAVED_OFFSET; \
	(FS)->regs.reg[i_ + 16].loc.offset = \
	this_cfa_ + (i_ * 4) - new_cfa_; \
	} \
	if (fpu_save_) \
	{ \
	for (i_ = 0; i_ < 32; ++i_) \
	{ \
	(FS)->regs.reg[i_ + 32].how = REG_SAVED_OFFSET; \
	(FS)->regs.reg[i_ + 32].loc.offset = \
	(fpu_save_ + (i_ * 4)) - new_cfa_; \
	} \
	} \
	/* Stick return address into %g0, same trick Alpha uses. */ \
	(FS)->regs.reg[0].how = REG_SAVED_OFFSET; \
	(FS)->regs.reg[0].loc.offset = this_cfa_+(regs_off_+4)-new_cfa_; \
	(FS)->retaddr_column = 0; \
	goto SUCCESS; \
	} while (0)
	#endif