/* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
- Copyright 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
Contributed by David S. Miller (davem@caip.rutgers.edu)
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#define SPARC_BI_ARCH
-
-#define LINUX_DEFAULT_ELF
-
-/* Don't assume anything about the header files. */
-#define NO_IMPLICIT_EXTERN_C
-
-#undef DEFAULT_VTABLE_THUNKS
-#define DEFAULT_VTABLE_THUNKS 1
-
-#include <sparc/sysv4.h>
-
-#undef MD_EXEC_PREFIX
-#undef MD_STARTFILE_PREFIX
-
-#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ LINUX_TARGET_OS_CPP_BUILTINS(); \
+ if (TARGET_ARCH64) \
+ builtin_define ("_LONGLONG"); \
+ if (TARGET_ARCH32 \
+ && TARGET_LONG_DOUBLE_128) \
+ builtin_define ("__LONG_DOUBLE_128__"); \
+ } \
+ while (0)
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3 \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_niagara \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_niagara2
/* 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_EPILOGUE + MASK_FPU)
+ + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
#endif
-/* Output at beginning of assembler file. */
-/* The .file command should always begin the output. */
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
- do { \
- output_file_directive (FILE, main_input_filename); \
- fprintf (FILE, "\t.version\t\"01.01\"\n"); \
- } while (0)
-
-#undef ASM_CPU_DEFAULT_SPEC
-#define ASM_CPU_DEFAULT_SPEC "-Av9a"
-
-/* 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
-
-#define STARTFILE_SPEC32 \
- "%{!shared: \
- %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
- crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
-
-#define STARTFILE_SPEC64 \
- "%{!shared: \
- %{pg:/usr/lib64/gcrt1.o%s} %{!pg:%{p:/usr/lib64/gcrt1.o%s} %{!p:/usr/lib64/crt1.o%s}}}\
- /usr/lib64/crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
-
-#ifdef SPARC_BI_ARCH
-
-#if DEFAULT_ARCH32_P
-#define STARTFILE_SPEC "\
-%{m32:" STARTFILE_SPEC32 "} \
-%{m64:" STARTFILE_SPEC64 "} \
-%{!m32:%{!m64:" STARTFILE_SPEC32 "}}"
-#else
-#define STARTFILE_SPEC "\
-%{m32:" STARTFILE_SPEC32 "} \
-%{m64:" STARTFILE_SPEC64 "} \
-%{!m32:%{!m64:" STARTFILE_SPEC64 "}}"
-#endif
-
-#else
-
-#define STARTFILE_SPEC STARTFILE_SPEC64
-
-#endif
+/* This must be v9a not just v9 because by default we enable
+ -mvis. */
+#undef ASM_CPU64_DEFAULT_SPEC
+#define ASM_CPU64_DEFAULT_SPEC "-Av9a"
/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
the GNU/Linux magical crtend.o file (see crtstuff.c) which
object constructed before entering `main', followed by a normal
GNU/Linux "finalizer" file, `crtn.o'. */
-#undef ENDFILE_SPEC
-
-#define ENDFILE_SPEC32 \
- "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
-
-#define ENDFILE_SPEC64 \
- "%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib64/crtn.o%s"
-
-#ifdef SPARC_BI_ARCH
-
-#if DEFAULT_ARCH32_P
-#define ENDFILE_SPEC "\
-%{m32:" ENDFILE_SPEC32 "} \
-%{m64:" ENDFILE_SPEC64 "} \
-%{!m32:%{!m64:" ENDFILE_SPEC32 "}}"
-#else
-#define ENDFILE_SPEC "\
-%{m32:" ENDFILE_SPEC32 "} \
-%{m64:" ENDFILE_SPEC64 "} \
-%{!m32:%{!m64:" ENDFILE_SPEC64 "}}"
-#endif
-
-#else
-
-#define ENDFILE_SPEC ENDFILE_SPEC64
-
-#endif
+#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}"
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)");
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
-#undef MAX_WCHAR_TYPE_SIZE
-
+/* 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 128
+#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__ELF__ -Dunix -D_LONGLONG -D__sparc__ -Dlinux -Asystem(unix) -Asystem(posix)"
+/* 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:-D__PIC__ -D__pic__} \
-%{fpic:-D__PIC__ -D__pic__} \
%{posix:-D_POSIX_SOURCE} \
%{pthread:-D_REENTRANT} \
"
-#undef LIB_SPEC
-#define LIB_SPEC \
- "%{shared: -lc} \
- %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
- %{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
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. */
+/* If ELF is the default format, we should not use /lib/elf. */
+
+#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2"
#ifdef SPARC_BI_ARCH
{ "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} \
+
+#define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,%R/usr/lib %{shared:-shared} \
%{!shared: \
%{!ibcs: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "}} \
%{static:-static}}} \
"
-#define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
+#define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,%R/usr/lib64 %{shared:-shared} \
%{!shared: \
%{!ibcs: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}} \
%{static:-static}}} \
"
#define LINK_SPEC "\
%(link_arch) \
%{mlittle-endian:-EL} \
+%{!mno-relax:%{!r:-relax}} \
"
#undef CC1_SPEC
#if DEFAULT_ARCH32_P
-#define CC1_SPEC "\
+#define CC1_SPEC "%{profile:-p} \
%{sun4:} %{target:} \
%{mcypress:-mcpu=cypress} \
%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
-%{m64:-mptr64 -mstack-bias \
+%{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}}} \
-%{!m64:%{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \
"
#else
-#define CC1_SPEC "\
+#define CC1_SPEC "%{profile:-p} \
%{sun4:} %{target:} \
%{mcypress:-mcpu=cypress} \
%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
-%{m32:-mptr32 -mno-stack-bias \
- %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}} \
- %{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \
+%{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
#else /* !SPARC_BI_ARCH */
#undef LINK_SPEC
-#define LINK_ARCH_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
+#define LINK_SPEC "-m elf64_sparc -Y P,%R/usr/lib64 %{shared:-shared} \
%{!shared: \
%{!ibcs: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}} \
%{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. */
+ It's safe to pass -s always, even if -g is not used. */
#undef ASM_SPEC
#define ASM_SPEC "\
%{V} \
%{T} \
%{Ym,*} \
%{Wa,*:%*} \
--s %{fpic:-K PIC} %{fPIC:-K PIC} \
+-s %{fpic|fPIC|fpie|fPIE:-K PIC} \
%{mlittle-endian:-EL} \
-%(asm_cpu) %(asm_arch) \
-"
-
-/* Same as sparc.h */
-#undef DBX_REGISTER_NUMBER
-#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
-
-/* System V Release 4 uses DWARF debugging info. Buf DWARF1 doesn't do
- 64-bit anything, so we use DWARF2. */
-
-#undef DWARF2_DEBUGGING_INFO
-#undef DWARF_DEBUGGING_INFO
-#undef DBX_DEBUGGING_INFO
-#define DWARF2_DEBUGGING_INFO
-#define DBX_DEBUGGING_INFO
-
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+%(asm_cpu) %(asm_arch) %(asm_relax)"
#undef ASM_OUTPUT_ALIGNED_LOCAL
#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
} while (0)
#undef COMMON_ASM_OP
-#define COMMON_ASM_OP "\t.common"
+#define COMMON_ASM_OP "\t.common\t"
-/* This is how to output a definition of an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class. */
-
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
-
-/* 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)
+#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
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
- sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
-
-/* Define the names of various pseudo-ops used by the Sparc/svr4 assembler.
- ??? If ints are 64 bits then UNALIGNED_INT_ASM_OP (defined elsewhere) is
- misnamed. These should all refer to explicit sizes (half/word/xword?),
- anything other than short/int/long/etc. */
-
-#define UNALIGNED_DOUBLE_INT_ASM_OP ".uaxword"
+ 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 havn't tried to actually build systems
+ 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
\f
-/* No weird SPARC variants on Linux */
-#undef TARGET_LIVE_G0
-#define TARGET_LIVE_G0 0
-#undef TARGET_BROKEN_SAVERESTORE
-#define TARGET_BROKEN_SAVERESTORE 0
+#ifdef HAVE_AS_TLS
+#undef TARGET_SUN_TLS
+#undef TARGET_GNU_TLS
+#define TARGET_SUN_TLS 0
+#define TARGET_GNU_TLS 1
+#endif
\f
-#if TARGET_ARCH32
-/* Override MACHINE_STATE_{SAVE,RESTORE} because we have special
- traps available which can get and set the condition codes
- reliably. */
-#undef MACHINE_STATE_SAVE
-#define MACHINE_STATE_SAVE(ID) \
- unsigned long int ms_flags, ms_saveret; \
- asm volatile("ta 0x20\n\t" \
- "mov %%g1, %0\n\t" \
- "mov %%g2, %1\n\t" \
- : "=r" (ms_flags), "=r" (ms_saveret));
-
-#undef MACHINE_STATE_RESTORE
-#define MACHINE_STATE_RESTORE(ID) \
- asm volatile("mov %0, %%g1\n\t" \
- "mov %1, %%g2\n\t" \
- "ta 0x21\n\t" \
- : /* no outputs */ \
- : "r" (ms_flags), "r" (ms_saveret));
-#endif /* sparc32 */
-
-/* A C statement (sans semicolon) to output an element in the table of
- global constructors. */
-#undef ASM_OUTPUT_CONSTRUCTOR
-#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
- do { \
- ctors_section (); \
- fprintf (FILE, "\t%s\t ", TARGET_ARCH64 ? ASM_LONGLONG : INT_ASM_OP); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- } while (0)
-
-/* A C statement (sans semicolon) to output an element in the table of
- global destructors. */
-#undef ASM_OUTPUT_DESTRUCTOR
-#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
- do { \
- dtors_section (); \
- fprintf (FILE, "\t%s\t ", TARGET_ARCH64 ? ASM_LONGLONG : INT_ASM_OP); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- } while (0)
+/* We use GNU ld so undefine this so that attribute((init_priority)) works. */
+#undef CTORS_SECTION_ASM_OP
+#undef DTORS_SECTION_ASM_OP
+
+#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
+
+/* Define if long doubles should be mangled as 'g'. */
+#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
+
+/* We use glibc _mcount for profiling. */
+#undef NO_PROFILE_COUNTERS
+#define NO_PROFILE_COUNTERS 1
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