| /* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF. |
| Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006 |
| 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 (TARGET_ARCH32 && TARGET_LONG_DOUBLE_128) \ |
| builtin_define ("__LONG_DOUBLE_128__"); \ |
| } \ |
| 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 \ |
| || TARGET_CPU_DEFAULT == TARGET_CPU_niagara |
| /* 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" |
| |
| /* 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. */ |
| |
| #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" |
| #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2" |
| #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0" |
| #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0" |
| #if UCLIBC_DEFAULT |
| #define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}" |
| #else |
| #define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}" |
| #endif |
| #define LINUX_DYNAMIC_LINKER32 \ |
| CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32) |
| #define LINUX_DYNAMIC_LINKER64 \ |
| CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64) |
| |
| #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 " LINUX_DYNAMIC_LINKER32 "}} \ |
| %{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 " LINUX_DYNAMIC_LINKER64 "}} \ |
| %{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 " 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. */ |
| #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 |
| |
| #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 |
| |
| /* Determine whether the entire c99 runtime is present in the |
| runtime library. */ |
| #define TARGET_C99_FUNCTIONS (OPTION_GLIBC) |
| |
| #define TARGET_POSIX_IO |
| |
| #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 |
| |
| /* Define if long doubles should be mangled as 'g'. */ |
| #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING |