Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sparc/linux64.h @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | 84e7813d76e9 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF. |
| 145 | 2 Copyright (C) 1996-2020 Free Software Foundation, Inc. |
| 0 | 3 Contributed by David S. Miller (davem@caip.rutgers.edu) |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify | |
| 8 it under the terms of the GNU General Public License as published by | |
| 9 the Free Software Foundation; either version 3, or (at your option) | |
| 10 any later version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, | |
| 13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 GNU General Public License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 #define TARGET_OS_CPP_BUILTINS() \ | |
| 22 do \ | |
| 23 { \ | |
| 111 | 24 GNU_USER_TARGET_OS_CPP_BUILTINS(); \ |
| 0 | 25 if (TARGET_ARCH64) \ |
| 26 builtin_define ("_LONGLONG"); \ | |
| 27 if (TARGET_ARCH32 \ | |
| 28 && TARGET_LONG_DOUBLE_128) \ | |
| 29 builtin_define ("__LONG_DOUBLE_128__"); \ | |
| 30 } \ | |
| 31 while (0) | |
| 32 | |
| 111 | 33 /* On Linux, the combination sparc64-* --with-cpu=v8 is supported and |
| 34 selects a 32-bit compiler. */ | |
| 35 #if defined(TARGET_64BIT_DEFAULT) && TARGET_CPU_DEFAULT >= TARGET_CPU_v9 | |
| 0 | 36 #undef TARGET_DEFAULT |
| 37 #define TARGET_DEFAULT \ | |
| 111 | 38 (MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_STACK_BIAS + \ |
| 39 MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128) | |
| 0 | 40 #endif |
| 41 | |
| 42 /* This must be v9a not just v9 because by default we enable | |
| 43 -mvis. */ | |
| 44 #undef ASM_CPU64_DEFAULT_SPEC | |
| 45 #define ASM_CPU64_DEFAULT_SPEC "-Av9a" | |
| 46 | |
| 47 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on | |
| 48 the GNU/Linux magical crtend.o file (see crtstuff.c) which | |
| 49 provides part of the support for getting C++ file-scope static | |
| 50 object constructed before entering `main', followed by a normal | |
| 51 GNU/Linux "finalizer" file, `crtn.o'. */ | |
| 52 | |
| 53 #undef ENDFILE_SPEC | |
| 54 #define ENDFILE_SPEC \ | |
| 55 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\ | |
| 111 | 56 %{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" |
| 0 | 57 |
| 58 /* The default code model. */ | |
| 59 #undef SPARC_DEFAULT_CMODEL | |
| 60 #define SPARC_DEFAULT_CMODEL CM_MEDLOW | |
| 61 | |
| 62 #undef WCHAR_TYPE | |
| 63 #define WCHAR_TYPE "int" | |
| 64 | |
| 65 #undef WCHAR_TYPE_SIZE | |
| 66 #define WCHAR_TYPE_SIZE 32 | |
| 67 | |
| 68 /* Define for support of TFmode long double. | |
| 69 SPARC ABI says that long double is 4 words. */ | |
| 70 #undef LONG_DOUBLE_TYPE_SIZE | |
| 71 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) | |
| 72 | |
| 73 #undef CPP_SUBTARGET_SPEC | |
| 74 #define CPP_SUBTARGET_SPEC "\ | |
| 75 %{posix:-D_POSIX_SOURCE} \ | |
| 76 %{pthread:-D_REENTRANT} \ | |
| 77 " | |
| 78 | |
| 79 /* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support | |
| 80 for the special GCC options -static and -shared, which allow us to | |
| 81 link things in one of these three modes by applying the appropriate | |
|
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82 combinations of options at link-time. |
| 0 | 83 |
| 84 When the -shared link option is used a final link is not being | |
| 85 done. */ | |
| 86 | |
| 87 #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" | |
| 88 #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2" | |
| 89 | |
| 90 #ifdef SPARC_BI_ARCH | |
| 91 | |
| 92 #undef SUBTARGET_EXTRA_SPECS | |
| 93 #define SUBTARGET_EXTRA_SPECS \ | |
| 94 { "link_arch32", LINK_ARCH32_SPEC }, \ | |
| 95 { "link_arch64", LINK_ARCH64_SPEC }, \ | |
| 96 { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \ | |
| 97 { "link_arch", LINK_ARCH_SPEC }, | |
| 98 | |
| 111 | 99 #define LINK_ARCH32_SPEC "-m elf32_sparc %{shared:-shared} \ |
| 0 | 100 %{!shared: \ |
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101 %{!static: \ |
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102 %{rdynamic:-export-dynamic} \ |
| 111 | 103 -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "} \ |
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104 %{static:-static}} \ |
| 0 | 105 " |
| 106 | |
| 111 | 107 #define LINK_ARCH64_SPEC "-m elf64_sparc %{shared:-shared} \ |
| 0 | 108 %{!shared: \ |
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109 %{!static: \ |
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110 %{rdynamic:-export-dynamic} \ |
| 111 | 111 -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ |
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112 %{static:-static}} \ |
| 0 | 113 " |
| 114 | |
| 115 #define LINK_ARCH_SPEC "\ | |
| 116 %{m32:%(link_arch32)} \ | |
| 117 %{m64:%(link_arch64)} \ | |
| 118 %{!m32:%{!m64:%(link_arch_default)}} \ | |
| 119 " | |
| 120 | |
| 121 #define LINK_ARCH_DEFAULT_SPEC \ | |
| 122 (DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC) | |
| 123 | |
| 124 #undef LINK_SPEC | |
| 125 #define LINK_SPEC "\ | |
| 126 %(link_arch) \ | |
| 127 %{!mno-relax:%{!r:-relax}} \ | |
| 128 " | |
| 129 | |
| 111 | 130 /* -mcpu=native handling only makes sense with compiler running on |
| 131 a SPARC chip. */ | |
| 132 #if defined(__sparc__) && defined(__linux__) | |
| 133 extern const char *host_detect_local_cpu (int argc, const char **argv); | |
| 134 # define EXTRA_SPEC_FUNCTIONS \ | |
| 135 { "local_cpu_detect", host_detect_local_cpu }, | |
| 136 | |
| 137 # define MCPU_MTUNE_NATIVE_SPECS \ | |
| 138 " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \ | |
| 139 " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" | |
| 140 #else | |
| 141 # define MCPU_MTUNE_NATIVE_SPECS "" | |
| 142 #endif | |
| 143 | |
| 144 #define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS | |
| 145 | |
| 145 | 146 /* -fsanitize=address is currently only supported for 32-bit. */ |
| 147 #define ASAN_REJECT_SPEC \ | |
| 148 "%{!%:sanitize(thread):%e-fsanitize=address is not supported in this configuration}" | |
| 149 | |
| 150 #undef ASAN_CC1_SPEC | |
| 0 | 151 #if DEFAULT_ARCH32_P |
| 145 | 152 #define ASAN_CC1_SPEC \ |
| 153 "%{%:sanitize(address):-funwind-tables %{m64:" ASAN_REJECT_SPEC "}}" | |
| 154 #else | |
| 155 #define ASAN_CC1_SPEC \ | |
| 156 "%{%:sanitize(address):-funwind-tables %{!m32:" ASAN_REJECT_SPEC "}}" | |
| 157 #endif | |
| 158 | |
| 159 #undef CC1_SPEC | |
| 160 #if DEFAULT_ARCH32_P | |
| 161 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC \ | |
| 162 "%{m32:%{m64:%emay not use both -m32 and -m64}} \ | |
| 0 | 163 %{m64:-mptr64 -mstack-bias -mlong-double-128 \ |
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164 %{!mcpu*:-mcpu=ultrasparc} \ |
| 145 | 165 %{!mno-vis:%{!mcpu=v9:-mvis}}}" |
| 0 | 166 #else |
| 145 | 167 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC \ |
| 168 "%{m32:%{m64:%emay not use both -m32 and -m64}} \ | |
| 0 | 169 %{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \ |
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170 %{!mcpu*:-mcpu=cypress}} \ |
| 111 | 171 %{mv8plus:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \ |
| 172 %{!mcpu*:-mcpu=v9}} \ | |
| 0 | 173 %{!m32:%{!mcpu*:-mcpu=ultrasparc}} \ |
| 145 | 174 %{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}}" |
| 0 | 175 #endif |
| 176 | |
| 177 /* Support for a compile-time default CPU, et cetera. The rules are: | |
| 111 | 178 --with-cpu is ignored if -mcpu is specified; likewise --with-cpu-32 |
| 179 and --with-cpu-64. | |
| 180 --with-tune is ignored if -mtune is specified; likewise --with-tune-32 | |
| 181 and --with-tune-64. | |
| 0 | 182 --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu |
| 183 are specified. | |
| 184 In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)} | |
| 185 here, otherwise say -mcpu=v7 would be passed even when -m64. | |
| 111 | 186 CC1_SPEC above takes care of this instead. |
| 187 | |
| 188 Note that the order of the cpu* and tune* options matters: the | |
| 189 config.gcc file always sets with_cpu to some value, even if the | |
| 190 user didn't use --with-cpu when invoking the configure script. | |
| 191 This value is based on the target name. Therefore we have to make | |
| 192 sure that --with-cpu-32 takes precedence to --with-cpu in < v9 | |
| 193 systems, and that --with-cpu-64 takes precedence to --with-cpu in | |
| 194 >= v9 systems. As for the tune* options, in some platforms | |
| 195 config.gcc also sets a default value for it if the user didn't use | |
| 196 --with-tune when invoking the configure script. */ | |
| 0 | 197 #undef OPTION_DEFAULT_SPECS |
| 198 #if DEFAULT_ARCH32_P | |
| 199 #define OPTION_DEFAULT_SPECS \ | |
| 111 | 200 {"cpu_32", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ |
| 201 {"cpu_64", "%{m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ | |
| 0 | 202 {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ |
| 111 | 203 {"tune_32", "%{!m64:%{!mtune=*:-mtune=%(VALUE)}}" }, \ |
| 204 {"tune_64", "%{m64:%{!mtune=*:-mtune=%(VALUE)}}" }, \ | |
| 0 | 205 {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \ |
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206 {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" } |
| 0 | 207 #else |
| 208 #define OPTION_DEFAULT_SPECS \ | |
| 111 | 209 {"cpu_32", "%{m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ |
| 210 {"cpu_64", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ | |
| 0 | 211 {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ |
| 111 | 212 {"tune_32", "%{m32:%{!mtune=*:-mtune=%(VALUE)}}" }, \ |
| 213 {"tune_64", "%{!m32:%{!mtune=*:-mtune=%(VALUE)}}" }, \ | |
| 0 | 214 {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \ |
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215 {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" } |
| 0 | 216 #endif |
| 217 | |
| 218 #if DEFAULT_ARCH32_P | |
| 219 #define MULTILIB_DEFAULTS { "m32" } | |
| 220 #else | |
| 221 #define MULTILIB_DEFAULTS { "m64" } | |
| 222 #endif | |
| 223 | |
| 224 #else /* !SPARC_BI_ARCH */ | |
| 225 | |
| 226 #undef LINK_SPEC | |
| 227 #define LINK_SPEC "-m elf64_sparc -Y P,%R/usr/lib64 %{shared:-shared} \ | |
| 228 %{!shared: \ | |
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229 %{!static: \ |
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230 %{rdynamic:-export-dynamic} \ |
| 111 | 231 -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ |
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232 %{static:-static}} \ |
| 0 | 233 %{!mno-relax:%{!r:-relax}} \ |
| 234 " | |
| 235 | |
| 236 #endif /* !SPARC_BI_ARCH */ | |
| 237 | |
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238 /* It's safe to pass -s always, even if -g is not used. */ |
| 0 | 239 #undef ASM_SPEC |
| 240 #define ASM_SPEC "\ | |
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241 -s \ |
| 111 | 242 %{" FPIE_OR_FPIC_SPEC ":-K PIC} \ |
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243 %{!.c:%{findirect-dispatch:-K PIC}} \ |
| 0 | 244 %(asm_cpu) %(asm_arch) %(asm_relax)" |
| 245 | |
| 246 #undef ASM_OUTPUT_ALIGNED_LOCAL | |
| 247 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ | |
| 248 do { \ | |
| 249 fputs ("\t.local\t", (FILE)); \ | |
| 250 assemble_name ((FILE), (NAME)); \ | |
| 251 putc ('\n', (FILE)); \ | |
| 252 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ | |
| 253 } while (0) | |
| 254 | |
| 255 #undef COMMON_ASM_OP | |
| 256 #define COMMON_ASM_OP "\t.common\t" | |
| 257 | |
| 258 #undef LOCAL_LABEL_PREFIX | |
| 259 #define LOCAL_LABEL_PREFIX "." | |
| 260 | |
| 261 /* DWARF bits. */ | |
| 262 | |
| 263 /* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets. | |
| 264 Obviously the Dwarf2 folks haven't tried to actually build systems | |
| 265 with their spec. On a 64-bit system, only 64-bit relocs become | |
| 266 RELATIVE relocations. */ | |
| 267 | |
| 268 /* #define DWARF_OFFSET_SIZE PTR_SIZE */ | |
| 269 | |
| 270 #undef DITF_CONVERSION_LIBFUNCS | |
| 271 #define DITF_CONVERSION_LIBFUNCS 1 | |
| 272 | |
| 273 #ifdef HAVE_AS_TLS | |
| 274 #undef TARGET_SUN_TLS | |
| 275 #undef TARGET_GNU_TLS | |
| 276 #define TARGET_SUN_TLS 0 | |
| 277 #define TARGET_GNU_TLS 1 | |
| 278 #endif | |
| 279 | |
| 280 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */ | |
| 281 #undef CTORS_SECTION_ASM_OP | |
| 282 #undef DTORS_SECTION_ASM_OP | |
| 283 | |
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284 /* Static stack checking is supported by means of probes. */ |
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285 #define STACK_CHECK_STATIC_BUILTIN 1 |
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286 |
| 0 | 287 #undef NEED_INDICATE_EXEC_STACK |
| 288 #define NEED_INDICATE_EXEC_STACK 1 | |
| 289 | |
| 290 #ifdef TARGET_LIBC_PROVIDES_SSP | |
| 291 /* sparc glibc provides __stack_chk_guard in [%g7 + 0x14], | |
| 292 sparc64 glibc provides it at [%g7 + 0x28]. */ | |
| 293 #define TARGET_THREAD_SSP_OFFSET (TARGET_ARCH64 ? 0x28 : 0x14) | |
| 294 #endif | |
| 295 | |
| 296 /* Define if long doubles should be mangled as 'g'. */ | |
| 297 #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING | |
| 298 | |
| 299 /* We use glibc _mcount for profiling. */ | |
| 300 #undef NO_PROFILE_COUNTERS | |
| 301 #define NO_PROFILE_COUNTERS 1 |