Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/rs6000/sysv4.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | f6334be47118 |
| rev | line source |
|---|---|
| 0 | 1 /* Target definitions for GNU compiler for PowerPC running System V.4 |
| 2 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, | |
| 3 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. | |
| 4 Contributed by Cygnus Support. | |
| 5 | |
| 6 This file is part of GCC. | |
| 7 | |
| 8 GCC is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published | |
| 10 by the Free Software Foundation; either version 3, or (at your | |
| 11 option) any later version. | |
| 12 | |
| 13 GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 16 License for more details. | |
| 17 | |
| 18 Under Section 7 of GPL version 3, you are granted additional | |
| 19 permissions described in the GCC Runtime Library Exception, version | |
| 20 3.1, as published by the Free Software Foundation. | |
| 21 | |
| 22 You should have received a copy of the GNU General Public License and | |
| 23 a copy of the GCC Runtime Library Exception along with this program; | |
| 24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 25 <http://www.gnu.org/licenses/>. */ | |
| 26 | |
| 27 /* Header files should be C++ aware in general. */ | |
| 28 #undef NO_IMPLICIT_EXTERN_C | |
| 29 #define NO_IMPLICIT_EXTERN_C | |
| 30 | |
| 31 /* Yes! We are ELF. */ | |
| 32 #define TARGET_OBJECT_FORMAT OBJECT_ELF | |
| 33 | |
| 34 /* Default ABI to compile code for. */ | |
| 35 #define DEFAULT_ABI rs6000_current_abi | |
| 36 | |
| 37 /* Default ABI to use. */ | |
| 38 #define RS6000_ABI_NAME "sysv" | |
| 39 | |
| 40 /* Override rs6000.h definition. */ | |
| 41 #undef ASM_DEFAULT_SPEC | |
| 42 #define ASM_DEFAULT_SPEC "-mppc" | |
| 43 | |
| 44 /* Small data support types. */ | |
| 45 enum rs6000_sdata_type { | |
| 46 SDATA_NONE, /* No small data support. */ | |
| 47 SDATA_DATA, /* Just put data in .sbss/.sdata, don't use relocs. */ | |
| 48 SDATA_SYSV, /* Use r13 to point to .sdata/.sbss. */ | |
| 49 SDATA_EABI /* Use r13 like above, r2 points to .sdata2/.sbss2. */ | |
| 50 }; | |
| 51 | |
| 52 extern enum rs6000_sdata_type rs6000_sdata; | |
| 53 | |
| 54 #define TARGET_TOC ((target_flags & MASK_64BIT) \ | |
| 55 || ((target_flags & (MASK_RELOCATABLE \ | |
| 56 | MASK_MINIMAL_TOC)) \ | |
| 57 && flag_pic > 1) \ | |
| 58 || DEFAULT_ABI == ABI_AIX) | |
| 59 | |
| 60 #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE) | |
| 61 #define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN) | |
|
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62 #define TARGET_PROTOTYPE target_prototype |
| 0 | 63 #define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE) |
| 64 #define TARGET_NO_TOC (! TARGET_TOC) | |
| 65 #define TARGET_NO_EABI (! TARGET_EABI) | |
|
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66 #define TARGET_REGNAMES rs6000_regnames |
| 0 | 67 |
| 68 #ifdef HAVE_AS_REL16 | |
| 69 #undef TARGET_SECURE_PLT | |
| 70 #define TARGET_SECURE_PLT secure_plt | |
| 71 #endif | |
| 72 | |
| 73 extern const char *rs6000_abi_name; | |
| 74 extern const char *rs6000_sdata_name; | |
| 75 extern const char *rs6000_tls_size_string; /* For -mtls-size= */ | |
| 76 | |
| 77 #define SDATA_DEFAULT_SIZE 8 | |
| 78 | |
| 79 /* Sometimes certain combinations of command options do not make sense | |
| 80 on a particular target machine. You can define a macro | |
| 81 `OVERRIDE_OPTIONS' to take account of this. This macro, if | |
| 82 defined, is executed once just after all the command options have | |
| 83 been parsed. | |
| 84 | |
| 85 The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to | |
| 86 get control. */ | |
| 87 | |
| 88 #define SUBTARGET_OVERRIDE_OPTIONS \ | |
| 89 do { \ | |
| 90 if (!g_switch_set) \ | |
| 91 g_switch_value = SDATA_DEFAULT_SIZE; \ | |
| 92 \ | |
| 93 if (rs6000_abi_name == NULL) \ | |
| 94 rs6000_abi_name = RS6000_ABI_NAME; \ | |
| 95 \ | |
| 96 if (!strcmp (rs6000_abi_name, "sysv")) \ | |
| 97 rs6000_current_abi = ABI_V4; \ | |
| 98 else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \ | |
| 99 { \ | |
| 100 rs6000_current_abi = ABI_V4; \ | |
| 101 target_flags &= ~ MASK_EABI; \ | |
| 102 } \ | |
| 103 else if (!strcmp (rs6000_abi_name, "sysv-eabi") \ | |
| 104 || !strcmp (rs6000_abi_name, "eabi")) \ | |
| 105 { \ | |
| 106 rs6000_current_abi = ABI_V4; \ | |
| 107 target_flags |= MASK_EABI; \ | |
| 108 } \ | |
| 109 else if (!strcmp (rs6000_abi_name, "aixdesc")) \ | |
| 110 rs6000_current_abi = ABI_AIX; \ | |
| 111 else if (!strcmp (rs6000_abi_name, "freebsd")) \ | |
| 112 rs6000_current_abi = ABI_V4; \ | |
| 113 else if (!strcmp (rs6000_abi_name, "linux")) \ | |
| 114 { \ | |
| 115 if (TARGET_64BIT) \ | |
| 116 rs6000_current_abi = ABI_AIX; \ | |
| 117 else \ | |
| 118 rs6000_current_abi = ABI_V4; \ | |
| 119 } \ | |
| 120 else if (!strcmp (rs6000_abi_name, "gnu")) \ | |
| 121 rs6000_current_abi = ABI_V4; \ | |
| 122 else if (!strcmp (rs6000_abi_name, "netbsd")) \ | |
| 123 rs6000_current_abi = ABI_V4; \ | |
| 124 else if (!strcmp (rs6000_abi_name, "openbsd")) \ | |
| 125 rs6000_current_abi = ABI_V4; \ | |
| 126 else if (!strcmp (rs6000_abi_name, "i960-old")) \ | |
| 127 { \ | |
| 128 rs6000_current_abi = ABI_V4; \ | |
|
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129 target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI); \ |
| 0 | 130 target_flags &= ~MASK_STRICT_ALIGN; \ |
|
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131 TARGET_NO_BITFIELD_WORD = 1; \ |
| 0 | 132 } \ |
| 133 else \ | |
| 134 { \ | |
| 135 rs6000_current_abi = ABI_V4; \ | |
| 136 error ("bad value for -mcall-%s", rs6000_abi_name); \ | |
| 137 } \ | |
| 138 \ | |
| 139 if (rs6000_sdata_name) \ | |
| 140 { \ | |
| 141 if (!strcmp (rs6000_sdata_name, "none")) \ | |
| 142 rs6000_sdata = SDATA_NONE; \ | |
| 143 else if (!strcmp (rs6000_sdata_name, "data")) \ | |
| 144 rs6000_sdata = SDATA_DATA; \ | |
| 145 else if (!strcmp (rs6000_sdata_name, "default")) \ | |
| 146 rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \ | |
| 147 else if (!strcmp (rs6000_sdata_name, "sysv")) \ | |
| 148 rs6000_sdata = SDATA_SYSV; \ | |
| 149 else if (!strcmp (rs6000_sdata_name, "eabi")) \ | |
| 150 rs6000_sdata = SDATA_EABI; \ | |
| 151 else \ | |
| 152 error ("bad value for -msdata=%s", rs6000_sdata_name); \ | |
| 153 } \ | |
| 154 else if (DEFAULT_ABI == ABI_V4) \ | |
| 155 { \ | |
| 156 rs6000_sdata = SDATA_DATA; \ | |
| 157 rs6000_sdata_name = "data"; \ | |
| 158 } \ | |
| 159 else \ | |
| 160 { \ | |
| 161 rs6000_sdata = SDATA_NONE; \ | |
| 162 rs6000_sdata_name = "none"; \ | |
| 163 } \ | |
| 164 \ | |
| 165 if (TARGET_RELOCATABLE && \ | |
| 166 (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \ | |
| 167 { \ | |
| 168 rs6000_sdata = SDATA_DATA; \ | |
| 169 error ("-mrelocatable and -msdata=%s are incompatible", \ | |
| 170 rs6000_sdata_name); \ | |
| 171 } \ | |
| 172 \ | |
| 173 else if (flag_pic && DEFAULT_ABI != ABI_AIX \ | |
| 174 && (rs6000_sdata == SDATA_EABI \ | |
| 175 || rs6000_sdata == SDATA_SYSV)) \ | |
| 176 { \ | |
| 177 rs6000_sdata = SDATA_DATA; \ | |
| 178 error ("-f%s and -msdata=%s are incompatible", \ | |
| 179 (flag_pic > 1) ? "PIC" : "pic", \ | |
| 180 rs6000_sdata_name); \ | |
| 181 } \ | |
| 182 \ | |
| 183 if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \ | |
| 184 || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \ | |
| 185 { \ | |
| 186 rs6000_sdata = SDATA_NONE; \ | |
| 187 error ("-msdata=%s and -mcall-%s are incompatible", \ | |
| 188 rs6000_sdata_name, rs6000_abi_name); \ | |
| 189 } \ | |
| 190 \ | |
| 191 targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \ | |
| 192 \ | |
| 193 if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \ | |
| 194 { \ | |
| 195 target_flags |= MASK_MINIMAL_TOC; \ | |
| 196 error ("-mrelocatable and -mno-minimal-toc are incompatible"); \ | |
| 197 } \ | |
| 198 \ | |
| 199 if (TARGET_RELOCATABLE && rs6000_current_abi == ABI_AIX) \ | |
| 200 { \ | |
| 201 target_flags &= ~MASK_RELOCATABLE; \ | |
| 202 error ("-mrelocatable and -mcall-%s are incompatible", \ | |
| 203 rs6000_abi_name); \ | |
| 204 } \ | |
| 205 \ | |
| 206 if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi == ABI_AIX) \ | |
| 207 { \ | |
| 208 flag_pic = 0; \ | |
| 209 error ("-fPIC and -mcall-%s are incompatible", \ | |
| 210 rs6000_abi_name); \ | |
| 211 } \ | |
| 212 \ | |
| 213 if (rs6000_current_abi == ABI_AIX && TARGET_LITTLE_ENDIAN) \ | |
| 214 { \ | |
| 215 target_flags &= ~MASK_LITTLE_ENDIAN; \ | |
| 216 error ("-mcall-aixdesc must be big endian"); \ | |
| 217 } \ | |
| 218 \ | |
| 219 if (TARGET_SECURE_PLT != secure_plt) \ | |
| 220 { \ | |
| 221 error ("-msecure-plt not supported by your assembler"); \ | |
| 222 } \ | |
| 223 \ | |
| 224 /* Treat -fPIC the same as -mrelocatable. */ \ | |
| 225 if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \ | |
| 226 { \ | |
| 227 target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC; \ | |
| 228 TARGET_NO_FP_IN_TOC = 1; \ | |
| 229 } \ | |
| 230 \ | |
| 231 else if (TARGET_RELOCATABLE) \ | |
| 232 flag_pic = 2; \ | |
| 233 } while (0) | |
| 234 | |
| 235 #ifndef RS6000_BI_ARCH | |
| 236 # define SUBSUBTARGET_OVERRIDE_OPTIONS \ | |
| 237 do { \ | |
| 238 if ((TARGET_DEFAULT ^ target_flags) & MASK_64BIT) \ | |
| 239 error ("-m%s not supported in this configuration", \ | |
| 240 (target_flags & MASK_64BIT) ? "64" : "32"); \ | |
| 241 } while (0) | |
| 242 #endif | |
| 243 | |
| 244 /* Override rs6000.h definition. */ | |
| 245 #undef TARGET_DEFAULT | |
| 246 #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS) | |
| 247 | |
| 248 /* Override rs6000.h definition. */ | |
| 249 #undef PROCESSOR_DEFAULT | |
| 250 #define PROCESSOR_DEFAULT PROCESSOR_PPC750 | |
| 251 | |
| 252 /* SVR4 only defined for PowerPC, so short-circuit POWER patterns. */ | |
| 253 #undef TARGET_POWER | |
| 254 #define TARGET_POWER 0 | |
| 255 | |
| 256 #define FIXED_R2 1 | |
| 257 /* System V.4 uses register 13 as a pointer to the small data area, | |
| 258 so it is not available to the normal user. */ | |
| 259 #define FIXED_R13 1 | |
| 260 | |
| 261 /* Override default big endianism definitions in rs6000.h. */ | |
| 262 #undef BYTES_BIG_ENDIAN | |
| 263 #undef WORDS_BIG_ENDIAN | |
| 264 #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN) | |
| 265 #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN) | |
| 266 | |
| 267 /* Define this to set the endianness to use in libgcc2.c, which can | |
| 268 not depend on target_flags. */ | |
| 269 #if !defined(__LITTLE_ENDIAN__) && !defined(__sun__) | |
| 270 #define LIBGCC2_WORDS_BIG_ENDIAN 1 | |
| 271 #else | |
| 272 #define LIBGCC2_WORDS_BIG_ENDIAN 0 | |
| 273 #endif | |
| 274 | |
| 275 /* Define cutoff for using external functions to save floating point. | |
|
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parents:
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diff
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276 When optimizing for size, use external functions when profitable. */ |
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parents:
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277 #define FP_SAVE_INLINE(FIRST_REG) (optimize_size \ |
| 0 | 278 ? ((FIRST_REG) == 62 \ |
| 279 || (FIRST_REG) == 63) \ | |
| 280 : (FIRST_REG) < 64) | |
| 281 /* And similarly for general purpose registers. */ | |
| 282 #define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32 \ | |
|
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283 && !optimize_size) |
| 0 | 284 |
| 285 /* Put jump tables in read-only memory, rather than in .text. */ | |
| 286 #define JUMP_TABLES_IN_TEXT_SECTION 0 | |
| 287 | |
| 288 /* Prefix and suffix to use to saving floating point. */ | |
| 289 #define SAVE_FP_PREFIX "_savefpr_" | |
|
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290 #define SAVE_FP_SUFFIX "" |
| 0 | 291 |
| 292 /* Prefix and suffix to use to restoring floating point. */ | |
| 293 #define RESTORE_FP_PREFIX "_restfpr_" | |
|
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294 #define RESTORE_FP_SUFFIX "" |
| 0 | 295 |
| 296 /* Type used for ptrdiff_t, as a string used in a declaration. */ | |
| 297 #define PTRDIFF_TYPE "int" | |
| 298 | |
| 299 /* Type used for wchar_t, as a string used in a declaration. */ | |
| 300 /* Override svr4.h definition. */ | |
| 301 #undef WCHAR_TYPE | |
| 302 #define WCHAR_TYPE "long int" | |
| 303 | |
| 304 /* Width of wchar_t in bits. */ | |
| 305 /* Override svr4.h definition. */ | |
| 306 #undef WCHAR_TYPE_SIZE | |
| 307 #define WCHAR_TYPE_SIZE 32 | |
| 308 | |
| 309 /* Make int foo : 8 not cause structures to be aligned to an int boundary. */ | |
| 310 /* Override elfos.h definition. */ | |
| 311 #undef PCC_BITFIELD_TYPE_MATTERS | |
| 312 #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE) | |
| 313 | |
| 314 #undef BITFIELD_NBYTES_LIMITED | |
| 315 #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD) | |
| 316 | |
| 317 /* Define this macro to be the value 1 if instructions will fail to | |
| 318 work if given data not on the nominal alignment. If instructions | |
| 319 will merely go slower in that case, define this macro as 0. */ | |
| 320 #undef STRICT_ALIGNMENT | |
| 321 #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN) | |
| 322 | |
| 323 /* Define this macro if you wish to preserve a certain alignment for | |
| 324 the stack pointer, greater than what the hardware enforces. The | |
| 325 definition is a C expression for the desired alignment (measured | |
| 326 in bits). This macro must evaluate to a value equal to or larger | |
| 327 than STACK_BOUNDARY. | |
| 328 For the SYSV ABI and variants the alignment of the stack pointer | |
| 329 is usually controlled manually in rs6000.c. However, to maintain | |
| 330 alignment across alloca () in all circumstances, | |
| 331 PREFERRED_STACK_BOUNDARY needs to be set as well. | |
| 332 This has the additional advantage of allowing a bigger maximum | |
| 333 alignment of user objects on the stack. */ | |
| 334 | |
| 335 #undef PREFERRED_STACK_BOUNDARY | |
| 336 #define PREFERRED_STACK_BOUNDARY 128 | |
| 337 | |
| 338 /* Real stack boundary as mandated by the appropriate ABI. */ | |
| 339 #define ABI_STACK_BOUNDARY \ | |
| 340 ((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128) | |
| 341 | |
| 342 /* An expression for the alignment of a structure field FIELD if the | |
| 343 alignment computed in the usual way is COMPUTED. */ | |
| 344 #define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \ | |
| 345 ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \ | |
| 346 ? 128 : COMPUTED) | |
| 347 | |
| 348 #undef BIGGEST_FIELD_ALIGNMENT | |
| 349 | |
| 350 /* Use ELF style section commands. */ | |
| 351 | |
| 352 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" | |
| 353 | |
| 354 #define DATA_SECTION_ASM_OP "\t.section\t\".data\"" | |
| 355 | |
| 356 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" | |
| 357 | |
| 358 /* Override elfos.h definition. */ | |
| 359 #undef INIT_SECTION_ASM_OP | |
| 360 #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\"" | |
| 361 | |
| 362 /* Override elfos.h definition. */ | |
| 363 #undef FINI_SECTION_ASM_OP | |
| 364 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\"" | |
| 365 | |
| 366 #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\"" | |
| 367 | |
| 368 /* Put PC relative got entries in .got2. */ | |
| 369 #define MINIMAL_TOC_SECTION_ASM_OP \ | |
| 370 (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX) \ | |
| 371 ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"") | |
| 372 | |
| 373 #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\"" | |
| 374 #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\"" | |
| 375 #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits" | |
| 376 | |
| 377 /* Override default elf definitions. */ | |
| 378 #define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections | |
| 379 #undef TARGET_ASM_RELOC_RW_MASK | |
| 380 #define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask | |
| 381 #undef TARGET_ASM_SELECT_RTX_SECTION | |
| 382 #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section | |
| 383 | |
| 384 /* Return nonzero if this entry is to be written into the constant pool | |
| 385 in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST | |
| 386 containing one of them. If -mfp-in-toc (the default), we also do | |
| 387 this for floating-point constants. We actually can only do this | |
| 388 if the FP formats of the target and host machines are the same, but | |
|
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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389 we can't check that since not every file that uses these target macros |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
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390 includes real.h. |
| 0 | 391 |
| 392 Unlike AIX, we don't key off of -mminimal-toc, but instead do not | |
| 393 allow floating point constants in the TOC if -mrelocatable. */ | |
| 394 | |
| 395 #undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P | |
| 396 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \ | |
| 397 (TARGET_TOC \ | |
| 398 && (GET_CODE (X) == SYMBOL_REF \ | |
| 399 || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \ | |
| 400 && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \ | |
| 401 || GET_CODE (X) == LABEL_REF \ | |
| 402 || (GET_CODE (X) == CONST_INT \ | |
| 403 && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \ | |
| 404 || (!TARGET_NO_FP_IN_TOC \ | |
| 405 && !TARGET_RELOCATABLE \ | |
| 406 && GET_CODE (X) == CONST_DOUBLE \ | |
| 407 && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \ | |
| 408 && BITS_PER_WORD == HOST_BITS_PER_INT))) | |
| 409 | |
| 410 /* These macros generate the special .type and .size directives which | |
| 411 are used to set the corresponding fields of the linker symbol table | |
| 412 entries in an ELF object file under SVR4. These macros also output | |
| 413 the starting labels for the relevant functions/objects. */ | |
| 414 | |
| 415 /* Write the extra assembler code needed to declare a function properly. | |
| 416 Some svr4 assemblers need to also have something extra said about the | |
| 417 function's return value. We allow for that here. */ | |
| 418 | |
| 419 extern int rs6000_pic_labelno; | |
| 420 | |
| 421 /* Override elfos.h definition. */ | |
| 422 #undef ASM_DECLARE_FUNCTION_NAME | |
| 423 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ | |
| 424 rs6000_elf_declare_function_name ((FILE), (NAME), (DECL)) | |
| 425 | |
| 426 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore | |
| 427 flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */ | |
| 428 | |
| 429 #define LOCAL_LABEL_PREFIX "." | |
| 430 #define USER_LABEL_PREFIX "" | |
| 431 | |
| 432 /* svr4.h overrides (*targetm.asm_out.internal_label). */ | |
| 433 | |
| 434 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \ | |
| 435 asm_fprintf (FILE, "%L%s", PREFIX) | |
| 436 | |
| 437 /* Globalizing directive for a label. */ | |
| 438 #define GLOBAL_ASM_OP "\t.globl " | |
| 439 | |
| 440 /* This says how to output assembler code to declare an | |
| 441 uninitialized internal linkage data object. Under SVR4, | |
| 442 the linker seems to want the alignment of data objects | |
| 443 to depend on their types. We do exactly that here. */ | |
| 444 | |
| 445 #define LOCAL_ASM_OP "\t.local\t" | |
| 446 | |
| 447 #define LCOMM_ASM_OP "\t.lcomm\t" | |
| 448 | |
| 449 /* Describe how to emit uninitialized local items. */ | |
| 450 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 451 do { \ | |
| 452 if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \ | |
| 453 { \ | |
| 454 switch_to_section (sbss_section); \ | |
| 455 ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \ | |
| 456 ASM_OUTPUT_LABEL (FILE, NAME); \ | |
| 457 ASM_OUTPUT_SKIP (FILE, SIZE); \ | |
| 458 if (!flag_inhibit_size_directive && (SIZE) > 0) \ | |
| 459 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \ | |
| 460 } \ | |
| 461 else \ | |
| 462 { \ | |
| 463 fprintf (FILE, "%s", LCOMM_ASM_OP); \ | |
| 464 assemble_name ((FILE), (NAME)); \ | |
| 465 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ | |
| 466 (SIZE), (ALIGN) / BITS_PER_UNIT); \ | |
| 467 } \ | |
| 468 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ | |
| 469 } while (0) | |
| 470 | |
| 471 /* Describe how to emit uninitialized external linkage items. */ | |
| 472 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 473 do { \ | |
| 474 ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \ | |
| 475 } while (0) | |
| 476 | |
| 477 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN | |
| 478 /* To support -falign-* switches we need to use .p2align so | |
| 479 that alignment directives in code sections will be padded | |
| 480 with no-op instructions, rather than zeroes. */ | |
| 481 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ | |
| 482 if ((LOG) != 0) \ | |
| 483 { \ | |
| 484 if ((MAX_SKIP) == 0) \ | |
| 485 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ | |
| 486 else \ | |
| 487 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ | |
| 488 } | |
| 489 #endif | |
| 490 | |
| 491 /* This is how to output code to push a register on the stack. | |
| 492 It need not be very fast code. | |
| 493 | |
| 494 On the rs6000, we must keep the backchain up to date. In order | |
| 495 to simplify things, always allocate 16 bytes for a push (System V | |
| 496 wants to keep stack aligned to a 16 byte boundary). */ | |
| 497 | |
| 498 #define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \ | |
| 499 do { \ | |
| 500 if (DEFAULT_ABI == ABI_V4) \ | |
| 501 asm_fprintf (FILE, \ | |
| 502 "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n", \ | |
| 503 reg_names[1], reg_names[1], reg_names[REGNO], \ | |
| 504 reg_names[1]); \ | |
| 505 } while (0) | |
| 506 | |
| 507 /* This is how to output an insn to pop a register from the stack. | |
| 508 It need not be very fast code. */ | |
| 509 | |
| 510 #define ASM_OUTPUT_REG_POP(FILE, REGNO) \ | |
| 511 do { \ | |
| 512 if (DEFAULT_ABI == ABI_V4) \ | |
| 513 asm_fprintf (FILE, \ | |
| 514 "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n", \ | |
| 515 reg_names[REGNO], reg_names[1], reg_names[1], \ | |
| 516 reg_names[1]); \ | |
| 517 } while (0) | |
| 518 | |
| 519 /* Switch Recognition by gcc.c. Add -G xx support. */ | |
| 520 | |
| 521 /* Override svr4.h definition. */ | |
| 522 #undef SWITCH_TAKES_ARG | |
| 523 #define SWITCH_TAKES_ARG(CHAR) \ | |
| 524 ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \ | |
| 525 || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \ | |
| 526 || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \ | |
| 527 || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V' \ | |
| 528 || (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G') | |
| 529 | |
| 530 extern int fixuplabelno; | |
| 531 | |
| 532 /* Handle constructors specially for -mrelocatable. */ | |
| 533 #define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor | |
| 534 #define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor | |
| 535 | |
| 536 /* This is the end of what might become sysv4.h. */ | |
| 537 | |
| 538 /* Use DWARF 2 debugging information by default. */ | |
| 539 #undef PREFERRED_DEBUGGING_TYPE | |
| 540 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG | |
| 541 | |
| 542 /* Historically we have also supported stabs debugging. */ | |
| 543 #define DBX_DEBUGGING_INFO 1 | |
| 544 | |
| 545 #define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info | |
| 546 #define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p | |
| 547 | |
| 548 /* The ELF version doesn't encode [DS] or whatever at the end of symbols. */ | |
| 549 | |
| 550 #define RS6000_OUTPUT_BASENAME(FILE, NAME) \ | |
| 551 assemble_name (FILE, NAME) | |
| 552 | |
| 553 /* We have to output the stabs for the function name *first*, before | |
| 554 outputting its label. */ | |
| 555 | |
| 556 #define DBX_FUNCTION_FIRST | |
| 557 | |
| 558 /* This is the end of what might become sysv4dbx.h. */ | |
| 559 | |
| 560 #ifndef TARGET_VERSION | |
| 561 #define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)"); | |
| 562 #endif | |
| 563 | |
| 564 #define TARGET_OS_SYSV_CPP_BUILTINS() \ | |
| 565 do \ | |
| 566 { \ | |
| 567 if (target_flags_explicit \ | |
| 568 & MASK_RELOCATABLE) \ | |
| 569 builtin_define ("_RELOCATABLE"); \ | |
| 570 } \ | |
| 571 while (0) | |
| 572 | |
| 573 #ifndef TARGET_OS_CPP_BUILTINS | |
| 574 #define TARGET_OS_CPP_BUILTINS() \ | |
| 575 do \ | |
| 576 { \ | |
| 577 builtin_define_std ("PPC"); \ | |
| 578 builtin_define_std ("unix"); \ | |
| 579 builtin_define ("__svr4__"); \ | |
| 580 builtin_assert ("system=unix"); \ | |
| 581 builtin_assert ("system=svr4"); \ | |
| 582 builtin_assert ("cpu=powerpc"); \ | |
| 583 builtin_assert ("machine=powerpc"); \ | |
| 584 TARGET_OS_SYSV_CPP_BUILTINS (); \ | |
| 585 } \ | |
| 586 while (0) | |
| 587 #endif | |
| 588 | |
| 589 /* Pass various options to the assembler. */ | |
| 590 /* Override svr4.h definition. */ | |
| 591 #undef ASM_SPEC | |
| 592 #define ASM_SPEC "%(asm_cpu) \ | |
| 593 %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \ | |
| 594 SVR4_ASM_SPEC \ | |
| 595 "%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \ | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
596 %{memb|msdata=eabi: -memb} \ |
| 0 | 597 %{mlittle|mlittle-endian:-mlittle; \ |
| 598 mbig|mbig-endian :-mbig; \ | |
| 599 mcall-aixdesc | \ | |
| 600 mcall-freebsd | \ | |
| 601 mcall-netbsd | \ | |
| 602 mcall-openbsd | \ | |
| 603 mcall-linux | \ | |
| 604 mcall-gnu :-mbig; \ | |
| 605 mcall-i960-old :-mlittle}" | |
| 606 | |
| 607 #define CC1_ENDIAN_BIG_SPEC "" | |
| 608 | |
| 609 #define CC1_ENDIAN_LITTLE_SPEC "\ | |
| 610 %{!mstrict-align: %{!mno-strict-align: \ | |
| 611 %{!mcall-i960-old: \ | |
| 612 -mstrict-align \ | |
| 613 } \ | |
| 614 }}" | |
| 615 | |
| 616 #define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)" | |
| 617 | |
| 618 #ifndef CC1_SECURE_PLT_DEFAULT_SPEC | |
| 619 #define CC1_SECURE_PLT_DEFAULT_SPEC "" | |
| 620 #endif | |
| 621 | |
| 622 /* Pass -G xxx to the compiler and set correct endian mode. */ | |
| 623 #define CC1_SPEC "%{G*} %(cc1_cpu) \ | |
| 624 %{mlittle|mlittle-endian: %(cc1_endian_little); \ | |
| 625 mbig |mbig-endian : %(cc1_endian_big); \ | |
| 626 mcall-aixdesc | \ | |
| 627 mcall-freebsd | \ | |
| 628 mcall-netbsd | \ | |
| 629 mcall-openbsd | \ | |
| 630 mcall-linux | \ | |
| 631 mcall-gnu : -mbig %(cc1_endian_big); \ | |
| 632 mcall-i960-old : -mlittle %(cc1_endian_little); \ | |
| 633 : %(cc1_endian_default)} \ | |
| 634 %{meabi: %{!mcall-*: -mcall-sysv }} \ | |
| 635 %{!meabi: %{!mno-eabi: \ | |
| 636 %{mrelocatable: -meabi } \ | |
| 637 %{mcall-freebsd: -mno-eabi } \ | |
| 638 %{mcall-i960-old: -meabi } \ | |
| 639 %{mcall-linux: -mno-eabi } \ | |
| 640 %{mcall-gnu: -mno-eabi } \ | |
| 641 %{mcall-netbsd: -mno-eabi } \ | |
| 642 %{mcall-openbsd: -mno-eabi }}} \ | |
| 643 %{msdata: -msdata=default} \ | |
| 644 %{mno-sdata: -msdata=none} \ | |
| 645 %{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \ | |
| 646 %{profile: -p}" | |
| 647 | |
| 648 /* Don't put -Y P,<path> for cross compilers. */ | |
| 649 #ifndef CROSS_DIRECTORY_STRUCTURE | |
| 650 #define LINK_PATH_SPEC "\ | |
| 651 %{!R*:%{L*:-R %*}} \ | |
| 652 %{!nostdlib: %{!YP,*: \ | |
| 653 %{compat-bsd: \ | |
| 654 %{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ | |
| 655 %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \ | |
| 656 %{!R*: %{!L*: -R /usr/ucblib}} \ | |
| 657 %{!compat-bsd: \ | |
| 658 %{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ | |
| 659 %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}}" | |
| 660 | |
| 661 #else | |
| 662 #define LINK_PATH_SPEC "" | |
| 663 #endif | |
| 664 | |
| 665 /* Default starting address if specified. */ | |
| 666 #define LINK_START_SPEC "\ | |
| 667 %{mads : %(link_start_ads) ; \ | |
| 668 myellowknife : %(link_start_yellowknife) ; \ | |
| 669 mmvme : %(link_start_mvme) ; \ | |
| 670 msim : %(link_start_sim) ; \ | |
| 671 mcall-freebsd: %(link_start_freebsd) ; \ | |
| 672 mcall-linux : %(link_start_linux) ; \ | |
| 673 mcall-gnu : %(link_start_gnu) ; \ | |
| 674 mcall-netbsd : %(link_start_netbsd) ; \ | |
| 675 mcall-openbsd: %(link_start_openbsd) ; \ | |
| 676 : %(link_start_default) }" | |
| 677 | |
| 678 #define LINK_START_DEFAULT_SPEC "" | |
| 679 | |
| 680 /* Override svr4.h definition. */ | |
| 681 #undef LINK_SPEC | |
| 682 #define LINK_SPEC "\ | |
| 683 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \ | |
| 684 %{YP,*} %{R*} \ | |
| 685 %{Qy:} %{!Qn:-Qy} \ | |
| 686 %(link_shlib) \ | |
| 687 %{!Wl,-T*: %{!T*: %(link_start) }} \ | |
| 688 %(link_target) \ | |
| 689 %(link_os)" | |
| 690 | |
| 691 /* For now, turn off shared libraries by default. */ | |
| 692 #ifndef SHARED_LIB_SUPPORT | |
| 693 #define NO_SHARED_LIB_SUPPORT | |
| 694 #endif | |
| 695 | |
| 696 #ifndef NO_SHARED_LIB_SUPPORT | |
| 697 /* Shared libraries are default. */ | |
| 698 #define LINK_SHLIB_SPEC "\ | |
| 699 %{!static: %(link_path) %{!R*:%{L*:-R %*}}} \ | |
| 700 %{mshlib: } \ | |
| 701 %{static:-dn -Bstatic} \ | |
| 702 %{shared:-G -dy -z text} \ | |
| 703 %{symbolic:-Bsymbolic -G -dy -z text}" | |
| 704 | |
| 705 #else | |
| 706 /* Shared libraries are not default. */ | |
| 707 #define LINK_SHLIB_SPEC "\ | |
| 708 %{mshlib: %(link_path) } \ | |
| 709 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \ | |
| 710 %{static: } \ | |
| 711 %{shared:-G -dy -z text %(link_path) } \ | |
| 712 %{symbolic:-Bsymbolic -G -dy -z text %(link_path) }" | |
| 713 #endif | |
| 714 | |
| 715 /* Override the default target of the linker. */ | |
| 716 #define LINK_TARGET_SPEC "\ | |
| 717 %{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \ | |
| 718 %{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \ | |
| 719 %{mcall-i960-old: --oformat elf32-powerpcle} \ | |
| 720 }}}}" | |
| 721 | |
| 722 /* Any specific OS flags. */ | |
| 723 #define LINK_OS_SPEC "\ | |
| 724 %{mads : %(link_os_ads) ; \ | |
| 725 myellowknife : %(link_os_yellowknife) ; \ | |
| 726 mmvme : %(link_os_mvme) ; \ | |
| 727 msim : %(link_os_sim) ; \ | |
| 728 mcall-freebsd: %(link_os_freebsd) ; \ | |
| 729 mcall-linux : %(link_os_linux) ; \ | |
| 730 mcall-gnu : %(link_os_gnu) ; \ | |
| 731 mcall-netbsd : %(link_os_netbsd) ; \ | |
| 732 mcall-openbsd: %(link_os_openbsd) ; \ | |
| 733 : %(link_os_default) }" | |
| 734 | |
| 735 #define LINK_OS_DEFAULT_SPEC "" | |
| 736 | |
| 737 #define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \ | |
| 738 %<msingle-float %<mdouble-float}" | |
| 739 | |
| 740 /* Override rs6000.h definition. */ | |
| 741 #undef CPP_SPEC | |
| 742 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ | |
| 743 %{mads : %(cpp_os_ads) ; \ | |
| 744 myellowknife : %(cpp_os_yellowknife) ; \ | |
| 745 mmvme : %(cpp_os_mvme) ; \ | |
| 746 msim : %(cpp_os_sim) ; \ | |
| 747 mcall-freebsd: %(cpp_os_freebsd) ; \ | |
| 748 mcall-linux : %(cpp_os_linux) ; \ | |
| 749 mcall-gnu : %(cpp_os_gnu) ; \ | |
| 750 mcall-netbsd : %(cpp_os_netbsd) ; \ | |
| 751 mcall-openbsd: %(cpp_os_openbsd) ; \ | |
| 752 : %(cpp_os_default) }" | |
| 753 | |
| 754 #define CPP_OS_DEFAULT_SPEC "" | |
| 755 | |
| 756 /* Override svr4.h definition. */ | |
| 757 #undef STARTFILE_SPEC | |
| 758 #define STARTFILE_SPEC "\ | |
| 759 %{mads : %(startfile_ads) ; \ | |
| 760 myellowknife : %(startfile_yellowknife) ; \ | |
| 761 mmvme : %(startfile_mvme) ; \ | |
| 762 msim : %(startfile_sim) ; \ | |
| 763 mcall-freebsd: %(startfile_freebsd) ; \ | |
| 764 mcall-linux : %(startfile_linux) ; \ | |
| 765 mcall-gnu : %(startfile_gnu) ; \ | |
| 766 mcall-netbsd : %(startfile_netbsd) ; \ | |
| 767 mcall-openbsd: %(startfile_openbsd) ; \ | |
| 768 : %(startfile_default) }" | |
| 769 | |
| 770 #define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s" | |
| 771 | |
| 772 /* Override svr4.h definition. */ | |
| 773 #undef LIB_SPEC | |
| 774 #define LIB_SPEC "\ | |
| 775 %{mads : %(lib_ads) ; \ | |
| 776 myellowknife : %(lib_yellowknife) ; \ | |
| 777 mmvme : %(lib_mvme) ; \ | |
| 778 msim : %(lib_sim) ; \ | |
| 779 mcall-freebsd: %(lib_freebsd) ; \ | |
| 780 mcall-linux : %(lib_linux) ; \ | |
| 781 mcall-gnu : %(lib_gnu) ; \ | |
| 782 mcall-netbsd : %(lib_netbsd) ; \ | |
| 783 mcall-openbsd: %(lib_openbsd) ; \ | |
| 784 : %(lib_default) }" | |
| 785 | |
| 786 #define LIB_DEFAULT_SPEC "-lc" | |
| 787 | |
| 788 /* Override svr4.h definition. */ | |
| 789 #undef ENDFILE_SPEC | |
| 790 #define ENDFILE_SPEC "\ | |
| 791 %{mads : %(endfile_ads) ; \ | |
| 792 myellowknife : %(endfile_yellowknife) ; \ | |
| 793 mmvme : %(endfile_mvme) ; \ | |
| 794 msim : %(endfile_sim) ; \ | |
| 795 mcall-freebsd: %(endfile_freebsd) ; \ | |
| 796 mcall-linux : %(endfile_linux) ; \ | |
| 797 mcall-gnu : %(endfile_gnu) ; \ | |
| 798 mcall-netbsd : %(endfile_netbsd) ; \ | |
| 799 mcall-openbsd: %(endfile_openbsd) ; \ | |
| 800 : %(crtsavres_default) %(endfile_default) }" | |
| 801 | |
| 802 #define CRTSAVRES_DEFAULT_SPEC "" | |
| 803 | |
| 804 #define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s" | |
| 805 | |
| 806 /* Motorola ADS support. */ | |
| 807 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group" | |
| 808 | |
| 809 #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" | |
| 810 | |
| 811 #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s" | |
| 812 | |
| 813 #define LINK_START_ADS_SPEC "-T ads.ld%s" | |
| 814 | |
| 815 #define LINK_OS_ADS_SPEC "" | |
| 816 | |
| 817 #define CPP_OS_ADS_SPEC "" | |
| 818 | |
| 819 /* Motorola Yellowknife support. */ | |
| 820 #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group" | |
| 821 | |
| 822 #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" | |
| 823 | |
| 824 #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s" | |
| 825 | |
| 826 #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s" | |
| 827 | |
| 828 #define LINK_OS_YELLOWKNIFE_SPEC "" | |
| 829 | |
| 830 #define CPP_OS_YELLOWKNIFE_SPEC "" | |
| 831 | |
| 832 /* Motorola MVME support. */ | |
| 833 #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group" | |
| 834 | |
| 835 #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" | |
| 836 | |
| 837 #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s" | |
| 838 | |
| 839 #define LINK_START_MVME_SPEC "-Ttext 0x40000" | |
| 840 | |
| 841 #define LINK_OS_MVME_SPEC "" | |
| 842 | |
| 843 #define CPP_OS_MVME_SPEC "" | |
| 844 | |
| 845 /* PowerPC simulator based on netbsd system calls support. */ | |
| 846 #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group" | |
| 847 | |
| 848 #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s" | |
| 849 | |
| 850 #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s" | |
| 851 | |
| 852 #define LINK_START_SIM_SPEC "" | |
| 853 | |
| 854 #define LINK_OS_SIM_SPEC "-m elf32ppcsim" | |
| 855 | |
| 856 #define CPP_OS_SIM_SPEC "" | |
| 857 | |
| 858 /* FreeBSD support. */ | |
| 859 | |
| 860 #define CPP_OS_FREEBSD_SPEC "\ | |
| 861 -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \ | |
| 862 -Acpu=powerpc -Amachine=powerpc" | |
| 863 | |
| 864 #define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC | |
| 865 #define ENDFILE_FREEBSD_SPEC FBSD_ENDFILE_SPEC | |
| 866 #define LIB_FREEBSD_SPEC FBSD_LIB_SPEC | |
| 867 #define LINK_START_FREEBSD_SPEC "" | |
| 868 | |
| 869 #define LINK_OS_FREEBSD_SPEC "\ | |
| 870 %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \ | |
| 871 %{v:-V} \ | |
| 872 %{assert*} %{R*} %{rpath*} %{defsym*} \ | |
| 873 %{shared:-Bshareable %{h*} %{soname*}} \ | |
| 874 %{!shared: \ | |
| 875 %{!static: \ | |
| 876 %{rdynamic: -export-dynamic} \ | |
| 877 %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \ | |
| 878 %{static:-Bstatic}} \ | |
| 879 %{symbolic:-Bsymbolic}" | |
| 880 | |
| 881 /* GNU/Linux support. */ | |
| 882 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \ | |
| 883 %{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \ | |
| 884 %{!shared: %{profile:-lc_p} %{!profile:-lc}}}" | |
| 885 | |
| 886 #ifdef HAVE_LD_PIE | |
| 887 #define STARTFILE_LINUX_SPEC "\ | |
| 888 %{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \ | |
| 889 %{mnewlib:ecrti.o%s;:crti.o%s} \ | |
| 890 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" | |
| 891 #else | |
| 892 #define STARTFILE_LINUX_SPEC "\ | |
| 893 %{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \ | |
| 894 %{mnewlib:ecrti.o%s;:crti.o%s} \ | |
| 895 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" | |
| 896 #endif | |
| 897 | |
| 898 #define ENDFILE_LINUX_SPEC "\ | |
| 899 %{shared|pie:crtendS.o%s;:crtend.o%s} \ | |
| 900 %{mnewlib:ecrtn.o%s;:crtn.o%s}" | |
| 901 | |
| 902 #define LINK_START_LINUX_SPEC "" | |
| 903 | |
| 904 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" | |
| 905 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" | |
| 906 #if UCLIBC_DEFAULT | |
| 907 #define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}" | |
| 908 #else | |
| 909 #define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}" | |
| 910 #endif | |
| 911 #define LINUX_DYNAMIC_LINKER \ | |
| 912 CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER) | |
| 913 | |
| 914 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \ | |
| 915 %{rdynamic:-export-dynamic} \ | |
| 916 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}" | |
| 917 | |
| 918 #if defined(HAVE_LD_EH_FRAME_HDR) | |
| 919 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} " | |
| 920 #endif | |
| 921 | |
| 922 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \ | |
| 923 %{!undef: \ | |
| 924 %{!ansi: \ | |
| 925 %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \ | |
| 926 %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \ | |
| 927 -Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}" | |
| 928 | |
| 929 /* GNU/Hurd support. */ | |
| 930 #define LIB_GNU_SPEC "%{mnewlib: --start-group -lgnu -lc --end-group } \ | |
| 931 %{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \ | |
| 932 %{profile:-lc_p} %{!profile:-lc}}}" | |
| 933 | |
| 934 #define STARTFILE_GNU_SPEC "\ | |
| 935 %{!shared: %{!static: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}} \ | |
| 936 %{static: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \ | |
| 937 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \ | |
| 938 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" | |
| 939 | |
| 940 #define ENDFILE_GNU_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \ | |
| 941 %{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}" | |
| 942 | |
| 943 #define LINK_START_GNU_SPEC "" | |
| 944 | |
| 945 #define LINK_OS_GNU_SPEC "-m elf32ppclinux %{!shared: %{!static: \ | |
| 946 %{rdynamic:-export-dynamic} \ | |
| 947 %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}" | |
| 948 | |
| 949 #define CPP_OS_GNU_SPEC "-D__unix__ -D__gnu_hurd__ -D__GNU__ \ | |
| 950 %{!undef: \ | |
| 951 %{!ansi: -Dunix -D__unix}} \ | |
| 952 -Asystem=gnu -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}" | |
| 953 | |
| 954 /* NetBSD support. */ | |
| 955 #define LIB_NETBSD_SPEC "\ | |
| 956 %{profile:-lgmon -lc_p} %{!profile:-lc}" | |
| 957 | |
| 958 #define STARTFILE_NETBSD_SPEC "\ | |
| 959 ncrti.o%s crt0.o%s \ | |
| 960 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" | |
| 961 | |
| 962 #define ENDFILE_NETBSD_SPEC "\ | |
| 963 %{!shared:crtend.o%s} %{shared:crtendS.o%s} \ | |
| 964 ncrtn.o%s" | |
| 965 | |
| 966 #define LINK_START_NETBSD_SPEC "\ | |
| 967 " | |
| 968 | |
| 969 #define LINK_OS_NETBSD_SPEC "\ | |
| 970 %{!shared: %{!static: \ | |
| 971 %{rdynamic:-export-dynamic} \ | |
| 972 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}" | |
| 973 | |
| 974 #define CPP_OS_NETBSD_SPEC "\ | |
| 975 -D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__" | |
| 976 | |
| 977 /* OpenBSD support. */ | |
| 978 #ifndef LIB_OPENBSD_SPEC | |
| 979 #define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}" | |
| 980 #endif | |
| 981 | |
| 982 #ifndef STARTFILE_OPENBSD_SPEC | |
| 983 #define STARTFILE_OPENBSD_SPEC "\ | |
| 984 %{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \ | |
| 985 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" | |
| 986 #endif | |
| 987 | |
| 988 #ifndef ENDFILE_OPENBSD_SPEC | |
| 989 #define ENDFILE_OPENBSD_SPEC "\ | |
| 990 %{!shared:crtend.o%s} %{shared:crtendS.o%s}" | |
| 991 #endif | |
| 992 | |
| 993 #ifndef LINK_START_OPENBSD_SPEC | |
| 994 #define LINK_START_OPENBSD_SPEC "-Ttext 0x400074" | |
| 995 #endif | |
| 996 | |
| 997 #ifndef LINK_OS_OPENBSD_SPEC | |
| 998 #define LINK_OS_OPENBSD_SPEC "" | |
| 999 #endif | |
| 1000 | |
| 1001 #ifndef CPP_OS_OPENBSD_SPEC | |
| 1002 #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}" | |
| 1003 #endif | |
| 1004 | |
| 1005 /* Define any extra SPECS that the compiler needs to generate. */ | |
| 1006 /* Override rs6000.h definition. */ | |
| 1007 #undef SUBTARGET_EXTRA_SPECS | |
| 1008 #define SUBTARGET_EXTRA_SPECS \ | |
| 1009 { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \ | |
| 1010 { "lib_ads", LIB_ADS_SPEC }, \ | |
| 1011 { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \ | |
| 1012 { "lib_mvme", LIB_MVME_SPEC }, \ | |
| 1013 { "lib_sim", LIB_SIM_SPEC }, \ | |
| 1014 { "lib_freebsd", LIB_FREEBSD_SPEC }, \ | |
| 1015 { "lib_gnu", LIB_GNU_SPEC }, \ | |
| 1016 { "lib_linux", LIB_LINUX_SPEC }, \ | |
| 1017 { "lib_netbsd", LIB_NETBSD_SPEC }, \ | |
| 1018 { "lib_openbsd", LIB_OPENBSD_SPEC }, \ | |
| 1019 { "lib_default", LIB_DEFAULT_SPEC }, \ | |
| 1020 { "startfile_ads", STARTFILE_ADS_SPEC }, \ | |
| 1021 { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \ | |
| 1022 { "startfile_mvme", STARTFILE_MVME_SPEC }, \ | |
| 1023 { "startfile_sim", STARTFILE_SIM_SPEC }, \ | |
| 1024 { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \ | |
| 1025 { "startfile_gnu", STARTFILE_GNU_SPEC }, \ | |
| 1026 { "startfile_linux", STARTFILE_LINUX_SPEC }, \ | |
| 1027 { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \ | |
| 1028 { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \ | |
| 1029 { "startfile_default", STARTFILE_DEFAULT_SPEC }, \ | |
| 1030 { "endfile_ads", ENDFILE_ADS_SPEC }, \ | |
| 1031 { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \ | |
| 1032 { "endfile_mvme", ENDFILE_MVME_SPEC }, \ | |
| 1033 { "endfile_sim", ENDFILE_SIM_SPEC }, \ | |
| 1034 { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \ | |
| 1035 { "endfile_gnu", ENDFILE_GNU_SPEC }, \ | |
| 1036 { "endfile_linux", ENDFILE_LINUX_SPEC }, \ | |
| 1037 { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \ | |
| 1038 { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \ | |
| 1039 { "endfile_default", ENDFILE_DEFAULT_SPEC }, \ | |
| 1040 { "link_path", LINK_PATH_SPEC }, \ | |
| 1041 { "link_shlib", LINK_SHLIB_SPEC }, \ | |
| 1042 { "link_target", LINK_TARGET_SPEC }, \ | |
| 1043 { "link_start", LINK_START_SPEC }, \ | |
| 1044 { "link_start_ads", LINK_START_ADS_SPEC }, \ | |
| 1045 { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \ | |
| 1046 { "link_start_mvme", LINK_START_MVME_SPEC }, \ | |
| 1047 { "link_start_sim", LINK_START_SIM_SPEC }, \ | |
| 1048 { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \ | |
| 1049 { "link_start_gnu", LINK_START_GNU_SPEC }, \ | |
| 1050 { "link_start_linux", LINK_START_LINUX_SPEC }, \ | |
| 1051 { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \ | |
| 1052 { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \ | |
| 1053 { "link_start_default", LINK_START_DEFAULT_SPEC }, \ | |
| 1054 { "link_os", LINK_OS_SPEC }, \ | |
| 1055 { "link_os_ads", LINK_OS_ADS_SPEC }, \ | |
| 1056 { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \ | |
| 1057 { "link_os_mvme", LINK_OS_MVME_SPEC }, \ | |
| 1058 { "link_os_sim", LINK_OS_SIM_SPEC }, \ | |
| 1059 { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \ | |
| 1060 { "link_os_linux", LINK_OS_LINUX_SPEC }, \ | |
| 1061 { "link_os_gnu", LINK_OS_GNU_SPEC }, \ | |
| 1062 { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \ | |
| 1063 { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ | |
| 1064 { "link_os_default", LINK_OS_DEFAULT_SPEC }, \ | |
| 1065 { "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \ | |
| 1066 { "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \ | |
| 1067 { "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \ | |
| 1068 { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \ | |
| 1069 { "cpp_os_ads", CPP_OS_ADS_SPEC }, \ | |
| 1070 { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \ | |
| 1071 { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \ | |
| 1072 { "cpp_os_sim", CPP_OS_SIM_SPEC }, \ | |
| 1073 { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \ | |
| 1074 { "cpp_os_gnu", CPP_OS_GNU_SPEC }, \ | |
| 1075 { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \ | |
| 1076 { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \ | |
| 1077 { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \ | |
| 1078 { "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \ | |
| 1079 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \ | |
| 1080 SUBSUBTARGET_EXTRA_SPECS | |
| 1081 | |
| 1082 #define SUBSUBTARGET_EXTRA_SPECS | |
| 1083 | |
| 1084 /* Define this macro as a C expression for the initializer of an | |
| 1085 array of string to tell the driver program which options are | |
| 1086 defaults for this target and thus do not need to be handled | |
| 1087 specially when using `MULTILIB_OPTIONS'. | |
| 1088 | |
| 1089 Do not define this macro if `MULTILIB_OPTIONS' is not defined in | |
| 1090 the target makefile fragment or if none of the options listed in | |
| 1091 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ | |
| 1092 | |
| 1093 #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" } | |
| 1094 | |
| 1095 /* Define this macro if the code for function profiling should come | |
| 1096 before the function prologue. Normally, the profiling code comes | |
| 1097 after. */ | |
| 1098 #define PROFILE_BEFORE_PROLOGUE 1 | |
| 1099 | |
| 1100 /* Function name to call to do profiling. */ | |
| 1101 #define RS6000_MCOUNT "_mcount" | |
| 1102 | |
| 1103 /* Define this macro (to a value of 1) if you want to support the | |
| 1104 Win32 style pragmas #pragma pack(push,<n>)' and #pragma | |
| 1105 pack(pop)'. The pack(push,<n>) pragma specifies the maximum | |
| 1106 alignment (in bytes) of fields within a structure, in much the | |
| 1107 same way as the __aligned__' and __packed__' __attribute__'s | |
| 1108 do. A pack value of zero resets the behavior to the default. | |
| 1109 Successive invocations of this pragma cause the previous values to | |
| 1110 be stacked, so that invocations of #pragma pack(pop)' will return | |
| 1111 to the previous value. */ | |
| 1112 | |
| 1113 #define HANDLE_PRAGMA_PACK_PUSH_POP 1 | |
| 1114 | |
| 1115 /* Select a format to encode pointers in exception handling data. CODE | |
| 1116 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is | |
| 1117 true if the symbol may be affected by dynamic relocations. */ | |
| 1118 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ | |
| 1119 ((flag_pic || TARGET_RELOCATABLE) \ | |
| 1120 ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \ | |
| 1121 : DW_EH_PE_absptr) | |
| 1122 | |
| 1123 #define DOUBLE_INT_ASM_OP "\t.quad\t" | |
| 1124 | |
| 1125 /* Generate entries in .fixup for relocatable addresses. */ | |
| 1126 #define RELOCATABLE_NEEDS_FIXUP 1 | |
| 1127 | |
| 1128 /* This target uses the sysv4.opt file. */ | |
| 1129 #define TARGET_USES_SYSV4_OPT 1 |