| /* Definitions for SPARC running Linux-based GNU systems with ELF. |
| Copyright (C) 1996-2014 Free Software Foundation, Inc. |
| Contributed by Eddie C. Dost (ecd@skynet.be) |
| |
| 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 3, 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 COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do \ |
| { \ |
| GNU_USER_TARGET_OS_CPP_BUILTINS(); \ |
| if (TARGET_LONG_DOUBLE_128) \ |
| builtin_define ("__LONG_DOUBLE_128__"); \ |
| } \ |
| while (0) |
| |
| /* 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\ |
| %{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" |
| |
| /* -mcpu=native handling only makes sense with compiler running on |
| a SPARC chip. */ |
| #if defined(__sparc__) && defined(__linux__) |
| extern const char *host_detect_local_cpu (int argc, const char **argv); |
| # define EXTRA_SPEC_FUNCTIONS \ |
| { "local_cpu_detect", host_detect_local_cpu }, |
| |
| # define MCPU_MTUNE_NATIVE_SPECS \ |
| " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \ |
| " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" |
| #else |
| # define MCPU_MTUNE_NATIVE_SPECS "" |
| #endif |
| |
| #define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS |
| |
| /* This is for -profile to use -lc_p instead of -lc. */ |
| #undef CC1_SPEC |
| #define CC1_SPEC "%{profile:-p} \ |
| " |
| |
| #undef SIZE_TYPE |
| #define SIZE_TYPE "unsigned int" |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE "int" |
| |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "int" |
| |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE 32 |
| |
| #undef CPP_SUBTARGET_SPEC |
| #define CPP_SUBTARGET_SPEC \ |
| "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" |
| |
| /* 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. |
| |
| When the -shared link option is used a final link is not being |
| done. */ |
| |
| #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC "-m elf32_sparc %{shared:-shared} \ |
| %{!mno-relax:%{!r:-relax}} \ |
| %{!shared: \ |
| %{!static: \ |
| %{rdynamic:-export-dynamic} \ |
| -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ |
| %{static:-static}}" |
| |
| /* It's safe to pass -s always, even if -g is not used. */ |
| #undef ASM_SPEC |
| #define ASM_SPEC "\ |
| -s \ |
| %{fpic|fPIC|fpie|fPIE:-K PIC} \ |
| %{!.c:%{findirect-dispatch:-K PIC}} \ |
| %(asm_cpu) %(asm_relax)" |
| |
| #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 "." |
| |
| |
| /* Define for support of TFmode long double. |
| SPARC ABI says that long double is 4 words. */ |
| #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. */ |
| #ifdef __LONG_DOUBLE_128__ |
| #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 |
| #else |
| #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 |
| #endif |
| |
| #undef DITF_CONVERSION_LIBFUNCS |
| #define DITF_CONVERSION_LIBFUNCS 1 |
| |
| #ifdef HAVE_AS_TLS |
| #undef TARGET_SUN_TLS |
| #undef TARGET_GNU_TLS |
| #define TARGET_SUN_TLS 0 |
| #define TARGET_GNU_TLS 1 |
| #endif |
| |
| /* We use GNU ld so undefine this so that attribute((init_priority)) works. */ |
| #undef CTORS_SECTION_ASM_OP |
| #undef DTORS_SECTION_ASM_OP |
| |
| /* Static stack checking is supported by means of probes. */ |
| #define STACK_CHECK_STATIC_BUILTIN 1 |
| |
| /* 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]. */ |
| #define TARGET_THREAD_SSP_OFFSET 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 |