Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sparc/linux.h @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 24 May 2010 12:47:05 +0900 |
| parents | 77e2b8dfacca |
| children | f6334be47118 |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions for SPARC running Linux-based GNU systems with ELF. |
| 2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2006, | |
| 3 2007, 2008, 2009 Free Software Foundation, Inc. | |
| 4 Contributed by Eddie C. Dost (ecd@skynet.be) | |
| 5 | |
| 6 This file is part of GCC. | |
| 7 | |
| 8 GCC is free software; you can redistribute it and/or modify | |
| 9 it under the terms of the GNU General Public License as published by | |
| 10 the Free Software Foundation; either version 3, or (at your option) | |
| 11 any later version. | |
| 12 | |
| 13 GCC is distributed in the hope that it will be useful, | |
| 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 | |
| 19 along with GCC; see the file COPYING3. If not see | |
| 20 <http://www.gnu.org/licenses/>. */ | |
| 21 | |
| 22 #define TARGET_OS_CPP_BUILTINS() \ | |
| 23 do \ | |
| 24 { \ | |
| 25 LINUX_TARGET_OS_CPP_BUILTINS(); \ | |
| 26 if (TARGET_LONG_DOUBLE_128) \ | |
| 27 builtin_define ("__LONG_DOUBLE_128__"); \ | |
| 28 } \ | |
| 29 while (0) | |
| 30 | |
| 31 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on | |
| 32 the GNU/Linux magical crtend.o file (see crtstuff.c) which | |
| 33 provides part of the support for getting C++ file-scope static | |
| 34 object constructed before entering `main', followed by a normal | |
| 35 GNU/Linux "finalizer" file, `crtn.o'. */ | |
| 36 | |
| 37 #undef ENDFILE_SPEC | |
| 38 #define ENDFILE_SPEC \ | |
| 39 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\ | |
| 40 %{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" | |
| 41 | |
| 42 /* This is for -profile to use -lc_p instead of -lc. */ | |
| 43 #undef CC1_SPEC | |
| 44 #define CC1_SPEC "%{profile:-p} \ | |
| 45 %{sun4:} %{target:} \ | |
| 46 %{mcypress:-mcpu=cypress} \ | |
| 47 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \ | |
| 48 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \ | |
| 49 " | |
| 50 | |
| 51 #undef TARGET_VERSION | |
| 52 #define TARGET_VERSION fprintf (stderr, " (sparc GNU/Linux with ELF)"); | |
| 53 | |
| 54 #undef SIZE_TYPE | |
| 55 #define SIZE_TYPE "unsigned int" | |
| 56 | |
| 57 #undef PTRDIFF_TYPE | |
| 58 #define PTRDIFF_TYPE "int" | |
| 59 | |
| 60 #undef WCHAR_TYPE | |
| 61 #define WCHAR_TYPE "int" | |
| 62 | |
| 63 #undef WCHAR_TYPE_SIZE | |
| 64 #define WCHAR_TYPE_SIZE 32 | |
| 65 | |
| 66 #undef CPP_SUBTARGET_SPEC | |
| 67 #define CPP_SUBTARGET_SPEC \ | |
| 68 "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" | |
| 69 | |
| 70 /* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support | |
| 71 for the special GCC options -static and -shared, which allow us to | |
| 72 link things in one of these three modes by applying the appropriate | |
| 73 combinations of options at link-time. We like to support here for | |
| 74 as many of the other GNU linker options as possible. But I don't | |
| 75 have the time to search for those flags. I am sure how to add | |
| 76 support for -soname shared_object_name. H.J. | |
| 77 | |
| 78 I took out %{v:%{!V:-V}}. It is too much :-(. They can use | |
| 79 -Wl,-V. | |
| 80 | |
| 81 When the -shared link option is used a final link is not being | |
| 82 done. */ | |
| 83 | |
| 84 /* If ELF is the default format, we should not use /lib/elf. */ | |
| 85 | |
| 86 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" | |
| 87 | |
| 88 #undef LINK_SPEC | |
| 89 #define LINK_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \ | |
| 90 %{!mno-relax:%{!r:-relax}} \ | |
| 91 %{!shared: \ | |
| 92 %{!ibcs: \ | |
| 93 %{!static: \ | |
| 94 %{rdynamic:-export-dynamic} \ | |
| 95 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \ | |
| 96 %{static:-static}}}" | |
| 97 | |
| 98 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas). | |
| 99 It's safe to pass -s always, even if -g is not used. */ | |
| 100 #undef ASM_SPEC | |
|
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77e2b8dfacca
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parents:
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101 #define ASM_SPEC "\ |
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102 %{V} \ |
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103 %{v:%{!V:-V}} \ |
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104 %{!Qn:-Qy} \ |
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105 %{n} \ |
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106 %{T} \ |
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107 %{Ym,*} \ |
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108 %{Wa,*:%*} \ |
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parents:
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109 -s \ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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110 %{fpic|fPIC|fpie|fPIE|findirect-dispatch:-K PIC} \ |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
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111 %(asm_cpu) %(asm_relax)" |
| 0 | 112 |
| 113 #undef ASM_OUTPUT_ALIGNED_LOCAL | |
| 114 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ | |
| 115 do { \ | |
| 116 fputs ("\t.local\t", (FILE)); \ | |
| 117 assemble_name ((FILE), (NAME)); \ | |
| 118 putc ('\n', (FILE)); \ | |
| 119 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ | |
| 120 } while (0) | |
| 121 | |
| 122 #undef COMMON_ASM_OP | |
| 123 #define COMMON_ASM_OP "\t.common\t" | |
| 124 | |
| 125 #undef LOCAL_LABEL_PREFIX | |
| 126 #define LOCAL_LABEL_PREFIX "." | |
| 127 | |
| 128 /* This is how to store into the string LABEL | |
| 129 the symbol_ref name of an internal numbered label where | |
| 130 PREFIX is the class of label and NUM is the number within the class. | |
| 131 This is suitable for output with `assemble_name'. */ | |
| 132 | |
| 133 #undef ASM_GENERATE_INTERNAL_LABEL | |
| 134 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ | |
| 135 sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM)) | |
| 136 | |
| 137 | |
| 138 /* Define for support of TFmode long double. | |
| 139 SPARC ABI says that long double is 4 words. */ | |
| 140 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) | |
| 141 | |
| 142 /* Define this to set long double type size to use in libgcc2.c, which can | |
| 143 not depend on target_flags. */ | |
| 144 #ifdef __LONG_DOUBLE_128__ | |
| 145 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 | |
| 146 #else | |
| 147 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 | |
| 148 #endif | |
| 149 | |
| 150 #undef DITF_CONVERSION_LIBFUNCS | |
| 151 #define DITF_CONVERSION_LIBFUNCS 1 | |
| 152 | |
| 153 #ifdef HAVE_AS_TLS | |
| 154 #undef TARGET_SUN_TLS | |
| 155 #undef TARGET_GNU_TLS | |
| 156 #define TARGET_SUN_TLS 0 | |
| 157 #define TARGET_GNU_TLS 1 | |
| 158 #endif | |
| 159 | |
| 160 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */ | |
| 161 #undef CTORS_SECTION_ASM_OP | |
| 162 #undef DTORS_SECTION_ASM_OP | |
| 163 | |
| 164 #define MD_UNWIND_SUPPORT "config/sparc/linux-unwind.h" | |
| 165 | |
| 166 /* Linux currently uses RMO in uniprocessor mode, which is equivalent to | |
| 167 TMO, and TMO in multiprocessor mode. But they reserve the right to | |
| 168 change their minds. */ | |
| 169 #undef SPARC_RELAXED_ORDERING | |
| 170 #define SPARC_RELAXED_ORDERING true | |
| 171 | |
| 172 #undef NEED_INDICATE_EXEC_STACK | |
| 173 #define NEED_INDICATE_EXEC_STACK 1 | |
| 174 | |
| 175 #ifdef TARGET_LIBC_PROVIDES_SSP | |
| 176 /* sparc glibc provides __stack_chk_guard in [%g7 + 0x14]. */ | |
| 177 #define TARGET_THREAD_SSP_OFFSET 0x14 | |
| 178 #endif | |
| 179 | |
| 180 /* Define if long doubles should be mangled as 'g'. */ | |
| 181 #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING | |
| 182 | |
| 183 /* We use glibc _mcount for profiling. */ | |
| 184 #undef NO_PROFILE_COUNTERS | |
| 185 #define NO_PROFILE_COUNTERS 1 |