[thirdparty/gcc.git] / gcc / config / sparc / linux64.h

/* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
   Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005
   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, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, 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");	\
	if (flag_pic)				\
	  {					\
		builtin_define ("__PIC__");	\
		builtin_define ("__pic__");	\
	  }					\
    }						\
  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 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)

/* 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 "\
%{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)

#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 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
\f
#ifdef HAVE_AS_TLS
#undef TARGET_SUN_TLS
#undef TARGET_GNU_TLS
#define TARGET_SUN_TLS 0
#define TARGET_GNU_TLS 1
#endif
\f
/* 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

/* 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}"

/* Use --as-needed -lgcc_s for eh support.  */
#ifdef HAVE_LD_AS_NEEDED
#define USE_LD_AS_NEEDED 1
#endif

#define MD_UNWIND_SUPPORT "config/sparc/linux-unwind.h"

/* Linux currently uses RMO in uniprocessor mode, which is equivalent to
   TMO, and TMO in multiprocessor mode.  But they reserve the right to
   change their minds.  */
#undef SPARC_RELAXED_ORDERING
#define SPARC_RELAXED_ORDERING true

#undef NEED_INDICATE_EXEC_STACK
#define NEED_INDICATE_EXEC_STACK 1

#ifdef TARGET_LIBC_PROVIDES_SSP
/* sparc glibc provides __stack_chk_guard in [%g7 + 0x14],
   sparc64 glibc provides it at [%g7 + 0x28].  */
#define TARGET_THREAD_SSP_OFFSET	(TARGET_ARCH64 ? 0x28 : 0x14)
#endif
Commit	Line	Data
956d6950	1	/* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
5b86a469	2	Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005
aa335b76	3	Free Software Foundation, Inc.
bfe87013 DE	4	Contributed by David S. Miller (davem@caip.rutgers.edu)
bfe87013 DE	5
de0a398e	6	This file is part of GCC.
bfe87013	7
de0a398e	8	GCC is free software; you can redistribute it and/or modify
bfe87013 DE	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2, or (at your option)
	11	any later version.
	12
de0a398e	13	GCC is distributed in the hope that it will be useful,
bfe87013 DE	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
de0a398e	19	along with GCC; see the file COPYING. If not, write to
39d14dda KC	20	the Free Software Foundation, 51 Franklin Street, Fifth Floor,
39d14dda KC	21	Boston, MA 02110-1301, USA. */
bfe87013	22
9b8466f4 NB	23	#define TARGET_OS_CPP_BUILTINS() \
	24	do \
	25	{ \
	26	builtin_define_std ("unix"); \
	27	builtin_define_std ("linux"); \
	28	builtin_define ("_LONGLONG"); \
	29	builtin_define ("__gnu_linux__"); \
26b0ad13	30	builtin_assert ("system=linux"); \
9b8466f4 NB	31	builtin_assert ("system=unix"); \
9b8466f4 NB	32	builtin_assert ("system=posix"); \
dc316086 PM	33	if (flag_pic) \
	34	{ \
	35	builtin_define ("__PIC__"); \
	36	builtin_define ("__pic__"); \
	37	} \
9b8466f4 NB	38	} \
	39	while (0)
	40
80ffc95e	41	/* Don't assume anything about the header files. */
bfe87013 DE	42	#define NO_IMPLICIT_EXTERN_C
bfe87013 DE	43
bfe87013 DE	44	#undef MD_EXEC_PREFIX
	45	#undef MD_STARTFILE_PREFIX
	46
f2c0cb15 JJ	47	#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
	48	\|\| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
	49	\|\| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
345a6161 DM	50	/* A 64 bit v9 compiler with stack-bias,
	51	in a Medium/Low code model environment. */
	52
	53	#undef TARGET_DEFAULT
	54	#define TARGET_DEFAULT \
	55	(MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
33074e5f	56	+ MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
345a6161 DM	57	#endif
345a6161 DM	58
a0a301fc DE	59	#undef ASM_CPU_DEFAULT_SPEC
a0a301fc DE	60	#define ASM_CPU_DEFAULT_SPEC "-Av9a"
bfe87013	61
4710d3eb JJ	62	#ifdef SPARC_BI_ARCH
	63
	64	#undef CPP_ARCH32_SPEC
9b8466f4	65	#define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__}"
4710d3eb JJ	66
	67	#endif
	68
956d6950 JL	69	/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
956d6950 JL	70	the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
bfe87013	71	provides part of the support for getting C++ file-scope static
80ffc95e	72	object constructed before entering `main'. */
bfe87013 DE	73
bfe87013 DE	74	#undef STARTFILE_SPEC
345a6161	75
24a4dd31	76	#ifdef HAVE_LD_PIE
5bbcd587	77	#define STARTFILE_SPEC \
24a4dd31 JJ	78	"%{!shared:%{pg\|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
	79	crti.o%s %{static:crtbeginT.o%s;shared\|pie:crtbeginS.o%s;:crtbeginS.o%s}"
	80	#else
	81	#define STARTFILE_SPEC \
	82	"%{!shared:%{pg\|p:gcrt1.o%s;:crt1.o%s}}\
	83	crti.o%s %{static:crtbeginT.o%s;shared\|pie:crtbeginS.o%s;:crtbeginS.o%s}"
	84	#endif
bfe87013	85
956d6950 JL	86	/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
956d6950 JL	87	the GNU/Linux magical crtend.o file (see crtstuff.c) which
bfe87013 DE	88	provides part of the support for getting C++ file-scope static
bfe87013 DE	89	object constructed before entering `main', followed by a normal
956d6950	90	GNU/Linux "finalizer" file, `crtn.o'. */
bfe87013 DE	91
bfe87013 DE	92	#undef ENDFILE_SPEC
345a6161	93
5bbcd587	94	#define ENDFILE_SPEC \
24a4dd31	95	"%{shared\|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
5bbcd587	96	%{ffast-math\|funsafe-math-optimizations:crtfastmath.o%s}"
345a6161	97
2be1602e DM	98	/* The GNU C++ standard library requires that these macros be defined. */
	99	#undef CPLUSPLUS_CPP_SPEC
	100	#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
	101
345a6161 DM	102	#undef TARGET_VERSION
345a6161 DM	103	#define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)");
a0a301fc DE	104
	105	/* The default code model. */
	106	#undef SPARC_DEFAULT_CMODEL
be3f1ff5	107	#define SPARC_DEFAULT_CMODEL CM_MEDLOW
bfe87013	108
bfe87013	109	#undef WCHAR_TYPE
247cfc5c JJ	110	#define WCHAR_TYPE "int"
247cfc5c JJ	111
bfe87013	112	#undef WCHAR_TYPE_SIZE
247cfc5c JJ	113	#define WCHAR_TYPE_SIZE 32
247cfc5c JJ	114
ba31d94e	115	/* Define for support of TFmode long double.
56149abc	116	SPARC ABI says that long double is 4 words. */
a0a301fc	117	#undef LONG_DOUBLE_TYPE_SIZE
4710d3eb JJ	118	#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
4710d3eb JJ	119
4710d3eb JJ	120	/* Define this to set long double type size to use in libgcc2.c, which can
	121	not depend on target_flags. */
	122	#if defined(__arch64__) \|\| defined(__LONG_DOUBLE_128__)
	123	#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
	124	#else
	125	#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
	126	#endif
345a6161	127
a0a301fc DE	128	#undef CPP_SUBTARGET_SPEC
a0a301fc DE	129	#define CPP_SUBTARGET_SPEC "\
bfe87013	130	%{posix:-D_POSIX_SOURCE} \
afc96791	131	%{pthread:-D_REENTRANT} \
bfe87013	132	"
afc96791	133
bfe87013 DE	134	#undef LIB_SPEC
bfe87013 DE	135	#define LIB_SPEC \
17772b2a JJ	136	"%{pthread:-lpthread} \
	137	%{shared:-lc} \
	138	%{!shared: %{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
bfe87013	139
956d6950	140	/* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support
bfe87013 DE	141	for the special GCC options -static and -shared, which allow us to
	142	link things in one of these three modes by applying the appropriate
	143	combinations of options at link-time. We like to support here for
	144	as many of the other GNU linker options as possible. But I don't
	145	have the time to search for those flags. I am sure how to add
	146	support for -soname shared_object_name. H.J.
	147
	148	I took out %{v:%{!V:-V}}. It is too much :-(. They can use
	149	-Wl,-V.
	150
	151	When the -shared link option is used a final link is not being
	152	done. */
	153
80ffc95e	154	/* If ELF is the default format, we should not use /lib/elf. */
bfe87013	155
345a6161 DM	156	#ifdef SPARC_BI_ARCH
	157
	158	#undef SUBTARGET_EXTRA_SPECS
	159	#define SUBTARGET_EXTRA_SPECS \
	160	{ "link_arch32", LINK_ARCH32_SPEC }, \
	161	{ "link_arch64", LINK_ARCH64_SPEC }, \
	162	{ "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
	163	{ "link_arch", LINK_ARCH_SPEC },
	164
	165	#define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
	166	%{!shared: \
	167	%{!ibcs: \
	168	%{!static: \
	169	%{rdynamic:-export-dynamic} \
	170	%{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
	171	%{static:-static}}} \
	172	"
	173
	174	#define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
	175	%{!shared: \
	176	%{!ibcs: \
	177	%{!static: \
	178	%{rdynamic:-export-dynamic} \
	179	%{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
	180	%{static:-static}}} \
	181	"
	182
	183	#define LINK_ARCH_SPEC "\
	184	%{m32:%(link_arch32)} \
	185	%{m64:%(link_arch64)} \
	186	%{!m32:%{!m64:%(link_arch_default)}} \
	187	"
	188
	189	#define LINK_ARCH_DEFAULT_SPEC \
	190	(DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)
	191
bfe87013	192	#undef LINK_SPEC
345a6161 DM	193	#define LINK_SPEC "\
	194	%(link_arch) \
	195	%{mlittle-endian:-EL} \
e95b1e6a	196	%{!mno-relax:%{!r:-relax}} \
345a6161 DM	197	"
	198
	199	#undef CC1_SPEC
	200	#if DEFAULT_ARCH32_P
	201	#define CC1_SPEC "\
	202	%{sun4:} %{target:} \
	203	%{mcypress:-mcpu=cypress} \
	204	%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
	205	%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
d6964c30	206	%{m32:%{m64:%emay not use both -m32 and -m64}} \
4710d3eb	207	%{m64:-mptr64 -mstack-bias -mlong-double-128 \
247cfc5c JJ	208	%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=ultrasparc}}}}}}} \
247cfc5c JJ	209	%{!mno-vis:%{!mcpu=v9:-mvis}}} \
345a6161 DM	210	"
	211	#else
	212	#define CC1_SPEC "\
	213	%{sun4:} %{target:} \
	214	%{mcypress:-mcpu=cypress} \
	215	%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
	216	%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
d6964c30	217	%{m32:%{m64:%emay not use both -m32 and -m64}} \
4710d3eb	218	%{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
b25c3a22	219	%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}}} \
9ce13279	220	%{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
247cfc5c	221	%{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \
345a6161 DM	222	"
	223	#endif
	224
942e0f44 JJ	225	/* Support for a compile-time default CPU, et cetera. The rules are:
	226	--with-cpu is ignored if -mcpu is specified.
	227	--with-tune is ignored if -mtune is specified.
	228	--with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
	229	are specified.
	230	In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
	231	here, otherwise say -mcpu=v7 would be passed even when -m64.
	232	CC1_SPEC above takes care of this instead. */
	233	#undef OPTION_DEFAULT_SPECS
	234	#if DEFAULT_ARCH32_P
	235	#define OPTION_DEFAULT_SPECS \
	236	{"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
	237	{"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
	238	{"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
	239	#else
	240	#define OPTION_DEFAULT_SPECS \
	241	{"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
	242	{"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
	243	{"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
	244	#endif
	245
345a6161 DM	246	#if DEFAULT_ARCH32_P
	247	#define MULTILIB_DEFAULTS { "m32" }
	248	#else
	249	#define MULTILIB_DEFAULTS { "m64" }
	250	#endif
	251
	252	#else /* !SPARC_BI_ARCH */
	253
	254	#undef LINK_SPEC
e95b1e6a	255	#define LINK_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
bfe87013 DE	256	%{!shared: \
	257	%{!ibcs: \
	258	%{!static: \
	259	%{rdynamic:-export-dynamic} \
345a6161	260	%{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
bfe87013 DE	261	%{static:-static}}} \
bfe87013 DE	262	%{mlittle-endian:-EL} \
e95b1e6a	263	%{!mno-relax:%{!r:-relax}} \
bfe87013 DE	264	"
bfe87013 DE	265
345a6161 DM	266	#endif /* !SPARC_BI_ARCH */
345a6161 DM	267
bfe87013	268	/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
80ffc95e	269	It's safe to pass -s always, even if -g is not used. */
bfe87013 DE	270	#undef ASM_SPEC
	271	#define ASM_SPEC "\
	272	%{V} \
	273	%{v:%{!V:-V}} \
	274	%{!Qn:-Qy} \
	275	%{n} \
	276	%{T} \
	277	%{Ym,*} \
	278	%{Wa,:%} \
24a4dd31	279	-s %{fpic\|fPIC\|fpie\|fPIE:-K PIC} \
bfe87013	280	%{mlittle-endian:-EL} \
e95b1e6a	281	%(asm_cpu) %(asm_arch) %(asm_relax)"
bfe87013 DE	282
	283	/* Same as sparc.h */
	284	#undef DBX_REGISTER_NUMBER
	285	#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
	286
bfe87013 DE	287	#undef ASM_OUTPUT_ALIGNED_LOCAL
	288	#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
	289	do { \
	290	fputs ("\t.local\t", (FILE)); \
	291	assemble_name ((FILE), (NAME)); \
	292	putc ('\n', (FILE)); \
	293	ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
	294	} while (0)
	295
	296	#undef COMMON_ASM_OP
471b6f1b	297	#define COMMON_ASM_OP "\t.common\t"
bfe87013	298
59f96879 RH	299	#undef LOCAL_LABEL_PREFIX
	300	#define LOCAL_LABEL_PREFIX "."
	301
bfe87013 DE	302	/* This is how to store into the string LABEL
	303	the symbol_ref name of an internal numbered label where
	304	PREFIX is the class of label and NUM is the number within the class.
	305	This is suitable for output with `assemble_name'. */
	306
	307	#undef ASM_GENERATE_INTERNAL_LABEL
	308	#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
e59f7d3d	309	sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM))
bfe87013	310
bfe87013 DE	311	/* DWARF bits. */
	312
	313	/* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
d6a7951f	314	Obviously the Dwarf2 folks haven't tried to actually build systems
bfe87013 DE	315	with their spec. On a 64-bit system, only 64-bit relocs become
	316	RELATIVE relocations. */
	317
	318	/* #define DWARF_OFFSET_SIZE PTR_SIZE */
275b60d6	319
45dcc026 JJ	320	#undef DITF_CONVERSION_LIBFUNCS
	321	#define DITF_CONVERSION_LIBFUNCS 1
	322
275b60d6 JJ	323	#if defined(HAVE_LD_EH_FRAME_HDR)
	324	#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
	325	#endif
f7e0e539	326	\f
5751a10b JJ	327	#ifdef HAVE_AS_TLS
	328	#undef TARGET_SUN_TLS
	329	#undef TARGET_GNU_TLS
	330	#define TARGET_SUN_TLS 0
	331	#define TARGET_GNU_TLS 1
	332	#endif
	333	\f
b5de1a27 DM	334	/* Don't be different from other Linux platforms in this regard. */
b5de1a27 DM	335	#define HANDLE_PRAGMA_PACK_PUSH_POP
7a31a340 DM	336
	337	/* We use GNU ld so undefine this so that attribute((init_priority)) works. */
	338	#undef CTORS_SECTION_ASM_OP
	339	#undef DTORS_SECTION_ASM_OP
db430d26	340
3017c534 DM	341	/* Determine whether the the entire c99 runtime is present in the
	342	runtime library. */
	343	#define TARGET_C99_FUNCTIONS 1
	344
c2cd64b5 JJ	345	#define TARGET_HAS_F_SETLKW
c2cd64b5 JJ	346
d00eacab	347	#undef LINK_GCC_C_SEQUENCE_SPEC
42df2193 JJ	348	#define LINK_GCC_C_SEQUENCE_SPEC \
	349	"%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
	350
8efcd34f AM	351	/* Use --as-needed -lgcc_s for eh support. */
	352	#ifdef HAVE_LD_AS_NEEDED
	353	#define USE_LD_AS_NEEDED 1
	354	#endif
	355
8662eb14	356	#define MD_UNWIND_SUPPORT "config/sparc/linux-unwind.h"
548a6c4f EB	357
	358	/* Linux currently uses RMO in uniprocessor mode, which is equivalent to
	359	TMO, and TMO in multiprocessor mode. But they reserve the right to
	360	change their minds. */
	361	#undef SPARC_RELAXED_ORDERING
	362	#define SPARC_RELAXED_ORDERING true
5e77eb53 EB	363
	364	#undef NEED_INDICATE_EXEC_STACK
	365	#define NEED_INDICATE_EXEC_STACK 1
8ec11fe9 JJ	366
	367	#ifdef TARGET_LIBC_PROVIDES_SSP
	368	/* sparc glibc provides __stack_chk_guard in [%g7 + 0x14],
	369	sparc64 glibc provides it at [%g7 + 0x28]. */
	370	#define TARGET_THREAD_SSP_OFFSET (TARGET_ARCH64 ? 0x28 : 0x14)
	371	#endif