Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sparc/linux64.h @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | 77e2b8dfacca |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF. |
| 2 Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, | |
|
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3 2009, 2010, 2011 Free Software Foundation, Inc. |
| 0 | 4 Contributed by David S. Miller (davem@caip.rutgers.edu) |
| 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_ARCH64) \ | |
| 27 builtin_define ("_LONGLONG"); \ | |
| 28 if (TARGET_ARCH32 \ | |
| 29 && TARGET_LONG_DOUBLE_128) \ | |
| 30 builtin_define ("__LONG_DOUBLE_128__"); \ | |
| 31 } \ | |
| 32 while (0) | |
| 33 | |
| 34 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \ | |
| 35 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \ | |
| 36 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3 \ | |
| 37 || TARGET_CPU_DEFAULT == TARGET_CPU_niagara \ | |
| 38 || TARGET_CPU_DEFAULT == TARGET_CPU_niagara2 | |
| 39 /* A 64 bit v9 compiler with stack-bias, | |
| 40 in a Medium/Low code model environment. */ | |
| 41 | |
| 42 #undef TARGET_DEFAULT | |
| 43 #define TARGET_DEFAULT \ | |
| 44 (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \ | |
| 45 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128) | |
| 46 #endif | |
| 47 | |
| 48 /* This must be v9a not just v9 because by default we enable | |
| 49 -mvis. */ | |
| 50 #undef ASM_CPU64_DEFAULT_SPEC | |
| 51 #define ASM_CPU64_DEFAULT_SPEC "-Av9a" | |
| 52 | |
| 53 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on | |
| 54 the GNU/Linux magical crtend.o file (see crtstuff.c) which | |
| 55 provides part of the support for getting C++ file-scope static | |
| 56 object constructed before entering `main', followed by a normal | |
| 57 GNU/Linux "finalizer" file, `crtn.o'. */ | |
| 58 | |
| 59 #undef ENDFILE_SPEC | |
| 60 #define ENDFILE_SPEC \ | |
| 61 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\ | |
| 62 %{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" | |
| 63 | |
| 64 #undef TARGET_VERSION | |
| 65 #define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)"); | |
| 66 | |
| 67 /* The default code model. */ | |
| 68 #undef SPARC_DEFAULT_CMODEL | |
| 69 #define SPARC_DEFAULT_CMODEL CM_MEDLOW | |
| 70 | |
| 71 #undef WCHAR_TYPE | |
| 72 #define WCHAR_TYPE "int" | |
| 73 | |
| 74 #undef WCHAR_TYPE_SIZE | |
| 75 #define WCHAR_TYPE_SIZE 32 | |
| 76 | |
| 77 /* Define for support of TFmode long double. | |
| 78 SPARC ABI says that long double is 4 words. */ | |
| 79 #undef LONG_DOUBLE_TYPE_SIZE | |
| 80 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) | |
| 81 | |
| 82 /* Define this to set long double type size to use in libgcc2.c, which can | |
| 83 not depend on target_flags. */ | |
| 84 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__) | |
| 85 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 | |
| 86 #else | |
| 87 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 | |
| 88 #endif | |
| 89 | |
| 90 #undef CPP_SUBTARGET_SPEC | |
| 91 #define CPP_SUBTARGET_SPEC "\ | |
| 92 %{posix:-D_POSIX_SOURCE} \ | |
| 93 %{pthread:-D_REENTRANT} \ | |
| 94 " | |
| 95 | |
| 96 /* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support | |
| 97 for the special GCC options -static and -shared, which allow us to | |
| 98 link things in one of these three modes by applying the appropriate | |
|
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parents:
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changeset
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99 combinations of options at link-time. |
| 0 | 100 |
| 101 When the -shared link option is used a final link is not being | |
| 102 done. */ | |
| 103 | |
| 104 #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" | |
| 105 #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2" | |
| 106 | |
| 107 #ifdef SPARC_BI_ARCH | |
| 108 | |
| 109 #undef SUBTARGET_EXTRA_SPECS | |
| 110 #define SUBTARGET_EXTRA_SPECS \ | |
| 111 { "link_arch32", LINK_ARCH32_SPEC }, \ | |
| 112 { "link_arch64", LINK_ARCH64_SPEC }, \ | |
| 113 { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \ | |
| 114 { "link_arch", LINK_ARCH_SPEC }, | |
| 115 | |
| 116 #define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,%R/usr/lib %{shared:-shared} \ | |
| 117 %{!shared: \ | |
|
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118 %{!static: \ |
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119 %{rdynamic:-export-dynamic} \ |
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120 -dynamic-linker " LINUX_DYNAMIC_LINKER32 "} \ |
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121 %{static:-static}} \ |
| 0 | 122 " |
| 123 | |
| 124 #define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,%R/usr/lib64 %{shared:-shared} \ | |
| 125 %{!shared: \ | |
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126 %{!static: \ |
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127 %{rdynamic:-export-dynamic} \ |
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128 -dynamic-linker " LINUX_DYNAMIC_LINKER64 "} \ |
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129 %{static:-static}} \ |
| 0 | 130 " |
| 131 | |
| 132 #define LINK_ARCH_SPEC "\ | |
| 133 %{m32:%(link_arch32)} \ | |
| 134 %{m64:%(link_arch64)} \ | |
| 135 %{!m32:%{!m64:%(link_arch_default)}} \ | |
| 136 " | |
| 137 | |
| 138 #define LINK_ARCH_DEFAULT_SPEC \ | |
| 139 (DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC) | |
| 140 | |
| 141 #undef LINK_SPEC | |
| 142 #define LINK_SPEC "\ | |
| 143 %(link_arch) \ | |
| 144 %{mlittle-endian:-EL} \ | |
| 145 %{!mno-relax:%{!r:-relax}} \ | |
| 146 " | |
| 147 | |
| 148 #undef CC1_SPEC | |
| 149 #if DEFAULT_ARCH32_P | |
| 150 #define CC1_SPEC "%{profile:-p} \ | |
| 151 %{m32:%{m64:%emay not use both -m32 and -m64}} \ | |
| 152 %{m64:-mptr64 -mstack-bias -mlong-double-128 \ | |
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153 %{!mcpu*:-mcpu=ultrasparc} \ |
| 0 | 154 %{!mno-vis:%{!mcpu=v9:-mvis}}} \ |
| 155 " | |
| 156 #else | |
| 157 #define CC1_SPEC "%{profile:-p} \ | |
| 158 %{m32:%{m64:%emay not use both -m32 and -m64}} \ | |
| 159 %{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \ | |
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160 %{!mcpu*:-mcpu=cypress}} \ |
| 0 | 161 %{!m32:%{!mcpu*:-mcpu=ultrasparc}} \ |
| 162 %{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \ | |
| 163 " | |
| 164 #endif | |
| 165 | |
| 166 /* Support for a compile-time default CPU, et cetera. The rules are: | |
| 167 --with-cpu is ignored if -mcpu is specified. | |
| 168 --with-tune is ignored if -mtune is specified. | |
| 169 --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu | |
| 170 are specified. | |
| 171 In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)} | |
| 172 here, otherwise say -mcpu=v7 would be passed even when -m64. | |
| 173 CC1_SPEC above takes care of this instead. */ | |
| 174 #undef OPTION_DEFAULT_SPECS | |
| 175 #if DEFAULT_ARCH32_P | |
| 176 #define OPTION_DEFAULT_SPECS \ | |
| 177 {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ | |
| 178 {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \ | |
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179 {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" } |
| 0 | 180 #else |
| 181 #define OPTION_DEFAULT_SPECS \ | |
| 182 {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ | |
| 183 {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \ | |
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184 {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" } |
| 0 | 185 #endif |
| 186 | |
| 187 #if DEFAULT_ARCH32_P | |
| 188 #define MULTILIB_DEFAULTS { "m32" } | |
| 189 #else | |
| 190 #define MULTILIB_DEFAULTS { "m64" } | |
| 191 #endif | |
| 192 | |
| 193 #else /* !SPARC_BI_ARCH */ | |
| 194 | |
| 195 #undef LINK_SPEC | |
| 196 #define LINK_SPEC "-m elf64_sparc -Y P,%R/usr/lib64 %{shared:-shared} \ | |
| 197 %{!shared: \ | |
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198 %{!static: \ |
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199 %{rdynamic:-export-dynamic} \ |
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200 -dynamic-linker " LINUX_DYNAMIC_LINKER64 "} \ |
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201 %{static:-static}} \ |
| 0 | 202 %{mlittle-endian:-EL} \ |
| 203 %{!mno-relax:%{!r:-relax}} \ | |
| 204 " | |
| 205 | |
| 206 #endif /* !SPARC_BI_ARCH */ | |
| 207 | |
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208 /* It's safe to pass -s always, even if -g is not used. */ |
| 0 | 209 #undef ASM_SPEC |
| 210 #define ASM_SPEC "\ | |
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211 -s \ |
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212 %{fpic|fPIC|fpie|fPIE:-K PIC} \ |
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213 %{!.c:%{findirect-dispatch:-K PIC}} \ |
| 0 | 214 %{mlittle-endian:-EL} \ |
| 215 %(asm_cpu) %(asm_arch) %(asm_relax)" | |
| 216 | |
| 217 #undef ASM_OUTPUT_ALIGNED_LOCAL | |
| 218 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ | |
| 219 do { \ | |
| 220 fputs ("\t.local\t", (FILE)); \ | |
| 221 assemble_name ((FILE), (NAME)); \ | |
| 222 putc ('\n', (FILE)); \ | |
| 223 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ | |
| 224 } while (0) | |
| 225 | |
| 226 #undef COMMON_ASM_OP | |
| 227 #define COMMON_ASM_OP "\t.common\t" | |
| 228 | |
| 229 #undef LOCAL_LABEL_PREFIX | |
| 230 #define LOCAL_LABEL_PREFIX "." | |
| 231 | |
| 232 /* This is how to store into the string LABEL | |
| 233 the symbol_ref name of an internal numbered label where | |
| 234 PREFIX is the class of label and NUM is the number within the class. | |
| 235 This is suitable for output with `assemble_name'. */ | |
| 236 | |
| 237 #undef ASM_GENERATE_INTERNAL_LABEL | |
| 238 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ | |
| 239 sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM)) | |
| 240 | |
| 241 /* DWARF bits. */ | |
| 242 | |
| 243 /* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets. | |
| 244 Obviously the Dwarf2 folks haven't tried to actually build systems | |
| 245 with their spec. On a 64-bit system, only 64-bit relocs become | |
| 246 RELATIVE relocations. */ | |
| 247 | |
| 248 /* #define DWARF_OFFSET_SIZE PTR_SIZE */ | |
| 249 | |
| 250 #undef DITF_CONVERSION_LIBFUNCS | |
| 251 #define DITF_CONVERSION_LIBFUNCS 1 | |
| 252 | |
| 253 #ifdef HAVE_AS_TLS | |
| 254 #undef TARGET_SUN_TLS | |
| 255 #undef TARGET_GNU_TLS | |
| 256 #define TARGET_SUN_TLS 0 | |
| 257 #define TARGET_GNU_TLS 1 | |
| 258 #endif | |
| 259 | |
| 260 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */ | |
| 261 #undef CTORS_SECTION_ASM_OP | |
| 262 #undef DTORS_SECTION_ASM_OP | |
| 263 | |
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264 /* Static stack checking is supported by means of probes. */ |
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265 #define STACK_CHECK_STATIC_BUILTIN 1 |
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266 |
| 0 | 267 #define MD_UNWIND_SUPPORT "config/sparc/linux-unwind.h" |
| 268 | |
| 269 /* Linux currently uses RMO in uniprocessor mode, which is equivalent to | |
| 270 TMO, and TMO in multiprocessor mode. But they reserve the right to | |
| 271 change their minds. */ | |
| 272 #undef SPARC_RELAXED_ORDERING | |
| 273 #define SPARC_RELAXED_ORDERING true | |
| 274 | |
| 275 #undef NEED_INDICATE_EXEC_STACK | |
| 276 #define NEED_INDICATE_EXEC_STACK 1 | |
| 277 | |
| 278 #ifdef TARGET_LIBC_PROVIDES_SSP | |
| 279 /* sparc glibc provides __stack_chk_guard in [%g7 + 0x14], | |
| 280 sparc64 glibc provides it at [%g7 + 0x28]. */ | |
| 281 #define TARGET_THREAD_SSP_OFFSET (TARGET_ARCH64 ? 0x28 : 0x14) | |
| 282 #endif | |
| 283 | |
| 284 /* Define if long doubles should be mangled as 'g'. */ | |
| 285 #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING | |
| 286 | |
| 287 /* We use glibc _mcount for profiling. */ | |
| 288 #undef NO_PROFILE_COUNTERS | |
| 289 #define NO_PROFILE_COUNTERS 1 |