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 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 2, 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 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING. If not, write to the 20 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23 /* Header files should be C++ aware in general. */ 24 #undef NO_IMPLICIT_EXTERN_C 25 #define NO_IMPLICIT_EXTERN_C 26 27 /* Yes! We are ELF. */ 28 #define TARGET_OBJECT_FORMAT OBJECT_ELF 29 30 /* Default ABI to compile code for. */ 31 #define DEFAULT_ABI rs6000_current_abi 32 33 /* Default ABI to use. */ 34 #define RS6000_ABI_NAME "sysv" 35 36 /* Override rs6000.h definition. */ 37 #undef ASM_DEFAULT_SPEC 38 #define ASM_DEFAULT_SPEC "-mppc" 39 40 /* Small data support types. */ 41 enum rs6000_sdata_type { 42 SDATA_NONE, /* No small data support. */ 43 SDATA_DATA, /* Just put data in .sbss/.sdata, don't use relocs. */ 44 SDATA_SYSV, /* Use r13 to point to .sdata/.sbss. */ 45 SDATA_EABI /* Use r13 like above, r2 points to .sdata2/.sbss2. */ 46 }; 47 48 extern enum rs6000_sdata_type rs6000_sdata; 49 50 #define TARGET_TOC ((target_flags & MASK_64BIT) \ 51 || ((target_flags & (MASK_RELOCATABLE \ 52 | MASK_MINIMAL_TOC)) \ 53 && flag_pic > 1) \ 54 || DEFAULT_ABI == ABI_AIX) 55 56 #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE) 57 #define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN) 58 #define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE) 59 #define TARGET_NO_TOC (! TARGET_TOC) 60 #define TARGET_NO_EABI (! TARGET_EABI) 61 62 #ifdef HAVE_AS_REL16 63 #undef TARGET_SECURE_PLT 64 #define TARGET_SECURE_PLT secure_plt 65 #endif 66 67 extern const char *rs6000_abi_name; 68 extern const char *rs6000_sdata_name; 69 extern const char *rs6000_tls_size_string; /* For -mtls-size= */ 70 71 #define SDATA_DEFAULT_SIZE 8 72 73 /* Sometimes certain combinations of command options do not make sense 74 on a particular target machine. You can define a macro 75 `OVERRIDE_OPTIONS' to take account of this. This macro, if 76 defined, is executed once just after all the command options have 77 been parsed. 78 79 The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to 80 get control. */ 81 82 #define SUBTARGET_OVERRIDE_OPTIONS \ 83 do { \ 84 if (!g_switch_set) \ 85 g_switch_value = SDATA_DEFAULT_SIZE; \ 86 \ 87 if (rs6000_abi_name == NULL) \ 88 rs6000_abi_name = RS6000_ABI_NAME; \ 89 \ 90 if (!strcmp (rs6000_abi_name, "sysv")) \ 91 rs6000_current_abi = ABI_V4; \ 92 else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \ 93 { \ 94 rs6000_current_abi = ABI_V4; \ 95 target_flags &= ~ MASK_EABI; \ 96 } \ 97 else if (!strcmp (rs6000_abi_name, "sysv-eabi") \ 98 || !strcmp (rs6000_abi_name, "eabi")) \ 99 { \ 100 rs6000_current_abi = ABI_V4; \ 101 target_flags |= MASK_EABI; \ 102 } \ 103 else if (!strcmp (rs6000_abi_name, "aixdesc")) \ 104 rs6000_current_abi = ABI_AIX; \ 105 else if (!strcmp (rs6000_abi_name, "freebsd")) \ 106 rs6000_current_abi = ABI_V4; \ 107 else if (!strcmp (rs6000_abi_name, "linux")) \ 108 { \ 109 if (TARGET_64BIT) \ 110 rs6000_current_abi = ABI_AIX; \ 111 else \ 112 rs6000_current_abi = ABI_V4; \ 113 } \ 114 else if (!strcmp (rs6000_abi_name, "gnu")) \ 115 rs6000_current_abi = ABI_V4; \ 116 else if (!strcmp (rs6000_abi_name, "netbsd")) \ 117 rs6000_current_abi = ABI_V4; \ 118 else if (!strcmp (rs6000_abi_name, "openbsd")) \ 119 rs6000_current_abi = ABI_V4; \ 120 else if (!strcmp (rs6000_abi_name, "i960-old")) \ 121 { \ 122 rs6000_current_abi = ABI_V4; \ 123 target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI \ 124 | MASK_NO_BITFIELD_WORD); \ 125 target_flags &= ~MASK_STRICT_ALIGN; \ 126 } \ 127 else \ 128 { \ 129 rs6000_current_abi = ABI_V4; \ 130 error ("bad value for -mcall-%s", rs6000_abi_name); \ 131 } \ 132 \ 133 if (rs6000_sdata_name) \ 134 { \ 135 if (!strcmp (rs6000_sdata_name, "none")) \ 136 rs6000_sdata = SDATA_NONE; \ 137 else if (!strcmp (rs6000_sdata_name, "data")) \ 138 rs6000_sdata = SDATA_DATA; \ 139 else if (!strcmp (rs6000_sdata_name, "default")) \ 140 rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \ 141 else if (!strcmp (rs6000_sdata_name, "sysv")) \ 142 rs6000_sdata = SDATA_SYSV; \ 143 else if (!strcmp (rs6000_sdata_name, "eabi")) \ 144 rs6000_sdata = SDATA_EABI; \ 145 else \ 146 error ("bad value for -msdata=%s", rs6000_sdata_name); \ 147 } \ 148 else if (DEFAULT_ABI == ABI_V4) \ 149 { \ 150 rs6000_sdata = SDATA_DATA; \ 151 rs6000_sdata_name = "data"; \ 152 } \ 153 else \ 154 { \ 155 rs6000_sdata = SDATA_NONE; \ 156 rs6000_sdata_name = "none"; \ 157 } \ 158 \ 159 if (TARGET_RELOCATABLE && \ 160 (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \ 161 { \ 162 rs6000_sdata = SDATA_DATA; \ 163 error ("-mrelocatable and -msdata=%s are incompatible", \ 164 rs6000_sdata_name); \ 165 } \ 166 \ 167 else if (flag_pic && DEFAULT_ABI != ABI_AIX \ 168 && (rs6000_sdata == SDATA_EABI \ 169 || rs6000_sdata == SDATA_SYSV)) \ 170 { \ 171 rs6000_sdata = SDATA_DATA; \ 172 error ("-f%s and -msdata=%s are incompatible", \ 173 (flag_pic > 1) ? "PIC" : "pic", \ 174 rs6000_sdata_name); \ 175 } \ 176 \ 177 if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \ 178 || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \ 179 { \ 180 rs6000_sdata = SDATA_NONE; \ 181 error ("-msdata=%s and -mcall-%s are incompatible", \ 182 rs6000_sdata_name, rs6000_abi_name); \ 183 } \ 184 \ 185 targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \ 186 \ 187 if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \ 188 { \ 189 target_flags |= MASK_MINIMAL_TOC; \ 190 error ("-mrelocatable and -mno-minimal-toc are incompatible"); \ 191 } \ 192 \ 193 if (TARGET_RELOCATABLE && rs6000_current_abi == ABI_AIX) \ 194 { \ 195 target_flags &= ~MASK_RELOCATABLE; \ 196 error ("-mrelocatable and -mcall-%s are incompatible", \ 197 rs6000_abi_name); \ 198 } \ 199 \ 200 if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi == ABI_AIX) \ 201 { \ 202 flag_pic = 0; \ 203 error ("-fPIC and -mcall-%s are incompatible", \ 204 rs6000_abi_name); \ 205 } \ 206 \ 207 if (rs6000_current_abi == ABI_AIX && TARGET_LITTLE_ENDIAN) \ 208 { \ 209 target_flags &= ~MASK_LITTLE_ENDIAN; \ 210 error ("-mcall-aixdesc must be big endian"); \ 211 } \ 212 \ 213 if (TARGET_SECURE_PLT != secure_plt) \ 214 { \ 215 error ("-msecure-plt not supported by your assembler"); \ 216 } \ 217 \ 218 /* Treat -fPIC the same as -mrelocatable. */ \ 219 if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \ 220 { \ 221 target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC; \ 222 TARGET_NO_FP_IN_TOC = 1; \ 223 } \ 224 \ 225 else if (TARGET_RELOCATABLE) \ 226 flag_pic = 2; \ 227 } while (0) 228 229 #ifndef RS6000_BI_ARCH 230 # define SUBSUBTARGET_OVERRIDE_OPTIONS \ 231 do { \ 232 if ((TARGET_DEFAULT ^ target_flags) & MASK_64BIT) \ 233 error ("-m%s not supported in this configuration", \ 234 (target_flags & MASK_64BIT) ? "64" : "32"); \ 235 } while (0) 236 #endif 237 238 /* Override rs6000.h definition. */ 239 #undef TARGET_DEFAULT 240 #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS) 241 242 /* Override rs6000.h definition. */ 243 #undef PROCESSOR_DEFAULT 244 #define PROCESSOR_DEFAULT PROCESSOR_PPC750 245 246 /* SVR4 only defined for PowerPC, so short-circuit POWER patterns. */ 247 #undef TARGET_POWER 248 #define TARGET_POWER 0 249 250 #define FIXED_R2 1 251 /* System V.4 uses register 13 as a pointer to the small data area, 252 so it is not available to the normal user. */ 253 #define FIXED_R13 1 254 255 /* Override default big endianism definitions in rs6000.h. */ 256 #undef BYTES_BIG_ENDIAN 257 #undef WORDS_BIG_ENDIAN 258 #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN) 259 #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN) 260 261 /* Define this to set the endianness to use in libgcc2.c, which can 262 not depend on target_flags. */ 263 #if !defined(__LITTLE_ENDIAN__) && !defined(__sun__) 264 #define LIBGCC2_WORDS_BIG_ENDIAN 1 265 #else 266 #define LIBGCC2_WORDS_BIG_ENDIAN 0 267 #endif 268 269 /* Define cutoff for using external functions to save floating point. 270 Currently on V.4, always use inline stores. */ 271 #define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64) 272 273 /* Put jump tables in read-only memory, rather than in .text. */ 274 #define JUMP_TABLES_IN_TEXT_SECTION 0 275 276 /* Prefix and suffix to use to saving floating point. */ 277 #define SAVE_FP_PREFIX "_savefpr_" 278 #define SAVE_FP_SUFFIX "_l" 279 280 /* Prefix and suffix to use to restoring floating point. */ 281 #define RESTORE_FP_PREFIX "_restfpr_" 282 #define RESTORE_FP_SUFFIX "_l" 283 284 /* Type used for ptrdiff_t, as a string used in a declaration. */ 285 #define PTRDIFF_TYPE "int" 286 287 /* Type used for wchar_t, as a string used in a declaration. */ 288 /* Override svr4.h definition. */ 289 #undef WCHAR_TYPE 290 #define WCHAR_TYPE "long int" 291 292 /* Width of wchar_t in bits. */ 293 /* Override svr4.h definition. */ 294 #undef WCHAR_TYPE_SIZE 295 #define WCHAR_TYPE_SIZE 32 296 297 /* Make int foo : 8 not cause structures to be aligned to an int boundary. */ 298 /* Override elfos.h definition. */ 299 #undef PCC_BITFIELD_TYPE_MATTERS 300 #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE) 301 302 #undef BITFIELD_NBYTES_LIMITED 303 #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD) 304 305 /* Define this macro to be the value 1 if instructions will fail to 306 work if given data not on the nominal alignment. If instructions 307 will merely go slower in that case, define this macro as 0. */ 308 #undef STRICT_ALIGNMENT 309 #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN) 310 311 /* Define this macro if you wish to preserve a certain alignment for 312 the stack pointer, greater than what the hardware enforces. The 313 definition is a C expression for the desired alignment (measured 314 in bits). This macro must evaluate to a value equal to or larger 315 than STACK_BOUNDARY. 316 For the SYSV ABI and variants the alignment of the stack pointer 317 is usually controlled manually in rs6000.c. However, to maintain 318 alignment across alloca () in all circumstances, 319 PREFERRED_STACK_BOUNDARY needs to be set as well. 320 This has the additional advantage of allowing a bigger maximum 321 alignment of user objects on the stack. */ 322 323 #undef PREFERRED_STACK_BOUNDARY 324 #define PREFERRED_STACK_BOUNDARY 128 325 326 /* Real stack boundary as mandated by the appropriate ABI. */ 327 #define ABI_STACK_BOUNDARY \ 328 ((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128) 329 330 /* An expression for the alignment of a structure field FIELD if the 331 alignment computed in the usual way is COMPUTED. */ 332 #define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \ 333 ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \ 334 ? 128 : COMPUTED) 335 336 #undef BIGGEST_FIELD_ALIGNMENT 337 338 /* Use ELF style section commands. */ 339 340 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" 341 342 #define DATA_SECTION_ASM_OP "\t.section\t\".data\"" 343 344 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" 345 346 /* Override elfos.h definition. */ 347 #undef INIT_SECTION_ASM_OP 348 #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\"" 349 350 /* Override elfos.h definition. */ 351 #undef FINI_SECTION_ASM_OP 352 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\"" 353 354 #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\"" 355 356 /* Put PC relative got entries in .got2. */ 357 #define MINIMAL_TOC_SECTION_ASM_OP \ 358 (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX) \ 359 ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"") 360 361 #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\"" 362 #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\"" 363 #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits" 364 365 /* Override default elf definitions. */ 366 #define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections 367 #undef TARGET_ASM_RELOC_RW_MASK 368 #define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask 369 #undef TARGET_ASM_SELECT_RTX_SECTION 370 #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section 371 372 /* Return nonzero if this entry is to be written into the constant pool 373 in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST 374 containing one of them. If -mfp-in-toc (the default), we also do 375 this for floating-point constants. We actually can only do this 376 if the FP formats of the target and host machines are the same, but 377 we can't check that since not every file that uses 378 GO_IF_LEGITIMATE_ADDRESS_P includes real.h. 379 380 Unlike AIX, we don't key off of -mminimal-toc, but instead do not 381 allow floating point constants in the TOC if -mrelocatable. */ 382 383 #undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P 384 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \ 385 (TARGET_TOC \ 386 && (GET_CODE (X) == SYMBOL_REF \ 387 || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \ 388 && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \ 389 || GET_CODE (X) == LABEL_REF \ 390 || (GET_CODE (X) == CONST_INT \ 391 && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \ 392 || (!TARGET_NO_FP_IN_TOC \ 393 && !TARGET_RELOCATABLE \ 394 && GET_CODE (X) == CONST_DOUBLE \ 395 && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \ 396 && BITS_PER_WORD == HOST_BITS_PER_INT))) 397 398 /* These macros generate the special .type and .size directives which 399 are used to set the corresponding fields of the linker symbol table 400 entries in an ELF object file under SVR4. These macros also output 401 the starting labels for the relevant functions/objects. */ 402 403 /* Write the extra assembler code needed to declare a function properly. 404 Some svr4 assemblers need to also have something extra said about the 405 function's return value. We allow for that here. */ 406 407 extern int rs6000_pic_labelno; 408 409 /* Override elfos.h definition. */ 410 #undef ASM_DECLARE_FUNCTION_NAME 411 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ 412 rs6000_elf_declare_function_name ((FILE), (NAME), (DECL)) 413 414 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore 415 flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */ 416 417 #define LOCAL_LABEL_PREFIX "." 418 #define USER_LABEL_PREFIX "" 419 420 /* svr4.h overrides (*targetm.asm_out.internal_label). */ 421 422 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \ 423 asm_fprintf (FILE, "%L%s", PREFIX) 424 425 /* Globalizing directive for a label. */ 426 #define GLOBAL_ASM_OP "\t.globl " 427 428 /* This says how to output assembler code to declare an 429 uninitialized internal linkage data object. Under SVR4, 430 the linker seems to want the alignment of data objects 431 to depend on their types. We do exactly that here. */ 432 433 #define LOCAL_ASM_OP "\t.local\t" 434 435 #define LCOMM_ASM_OP "\t.lcomm\t" 436 437 /* Describe how to emit uninitialized local items. */ 438 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ 439 do { \ 440 if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \ 441 { \ 442 switch_to_section (sbss_section); \ 443 ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \ 444 ASM_OUTPUT_LABEL (FILE, NAME); \ 445 ASM_OUTPUT_SKIP (FILE, SIZE); \ 446 if (!flag_inhibit_size_directive && (SIZE) > 0) \ 447 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \ 448 } \ 449 else \ 450 { \ 451 fprintf (FILE, "%s", LCOMM_ASM_OP); \ 452 assemble_name ((FILE), (NAME)); \ 453 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ 454 (SIZE), (ALIGN) / BITS_PER_UNIT); \ 455 } \ 456 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ 457 } while (0) 458 459 /* Describe how to emit uninitialized external linkage items. */ 460 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ 461 do { \ 462 ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \ 463 } while (0) 464 465 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN 466 /* To support -falign-* switches we need to use .p2align so 467 that alignment directives in code sections will be padded 468 with no-op instructions, rather than zeroes. */ 469 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ 470 if ((LOG) != 0) \ 471 { \ 472 if ((MAX_SKIP) == 0) \ 473 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ 474 else \ 475 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ 476 } 477 #endif 478 479 /* This is how to output code to push a register on the stack. 480 It need not be very fast code. 481 482 On the rs6000, we must keep the backchain up to date. In order 483 to simplify things, always allocate 16 bytes for a push (System V 484 wants to keep stack aligned to a 16 byte boundary). */ 485 486 #define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \ 487 do { \ 488 if (DEFAULT_ABI == ABI_V4) \ 489 asm_fprintf (FILE, \ 490 "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n", \ 491 reg_names[1], reg_names[1], reg_names[REGNO], \ 492 reg_names[1]); \ 493 } while (0) 494 495 /* This is how to output an insn to pop a register from the stack. 496 It need not be very fast code. */ 497 498 #define ASM_OUTPUT_REG_POP(FILE, REGNO) \ 499 do { \ 500 if (DEFAULT_ABI == ABI_V4) \ 501 asm_fprintf (FILE, \ 502 "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n", \ 503 reg_names[REGNO], reg_names[1], reg_names[1], \ 504 reg_names[1]); \ 505 } while (0) 506 507 /* Switch Recognition by gcc.c. Add -G xx support. */ 508 509 /* Override svr4.h definition. */ 510 #undef SWITCH_TAKES_ARG 511 #define SWITCH_TAKES_ARG(CHAR) \ 512 ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \ 513 || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \ 514 || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \ 515 || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V' \ 516 || (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G') 517 518 extern int fixuplabelno; 519 520 /* Handle constructors specially for -mrelocatable. */ 521 #define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor 522 #define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor 523 524 /* This is the end of what might become sysv4.h. */ 525 526 /* Use DWARF 2 debugging information by default. */ 527 #undef PREFERRED_DEBUGGING_TYPE 528 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG 529 530 /* Historically we have also supported stabs debugging. */ 531 #define DBX_DEBUGGING_INFO 1 532 533 #define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info 534 #define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p 535 536 /* The ELF version doesn't encode [DS] or whatever at the end of symbols. */ 537 538 #define RS6000_OUTPUT_BASENAME(FILE, NAME) \ 539 assemble_name (FILE, NAME) 540 541 /* We have to output the stabs for the function name *first*, before 542 outputting its label. */ 543 544 #define DBX_FUNCTION_FIRST 545 546 /* This is the end of what might become sysv4dbx.h. */ 547 548 #ifndef TARGET_VERSION 549 #define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)"); 550 #endif 551 552 #define TARGET_OS_SYSV_CPP_BUILTINS() \ 553 do \ 554 { \ 555 if (target_flags_explicit \ 556 & MASK_RELOCATABLE) \ 557 builtin_define ("_RELOCATABLE"); \ 558 } \ 559 while (0) 560 561 #ifndef TARGET_OS_CPP_BUILTINS 562 #define TARGET_OS_CPP_BUILTINS() \ 563 do \ 564 { \ 565 builtin_define_std ("PPC"); \ 566 builtin_define_std ("unix"); \ 567 builtin_define ("__svr4__"); \ 568 builtin_assert ("system=unix"); \ 569 builtin_assert ("system=svr4"); \ 570 builtin_assert ("cpu=powerpc"); \ 571 builtin_assert ("machine=powerpc"); \ 572 TARGET_OS_SYSV_CPP_BUILTINS (); \ 573 } \ 574 while (0) 575 #endif 576 577 /* Pass various options to the assembler. */ 578 /* Override svr4.h definition. */ 579 #undef ASM_SPEC 580 #define ASM_SPEC "%(asm_cpu) \ 581 %{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \ 582 %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \ 583 %{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \ 584 %{memb|msdata|msdata=eabi: -memb} \ 585 %{mlittle|mlittle-endian:-mlittle; \ 586 mbig|mbig-endian :-mbig; \ 587 mcall-aixdesc | \ 588 mcall-freebsd | \ 589 mcall-netbsd | \ 590 mcall-openbsd | \ 591 mcall-linux | \ 592 mcall-gnu :-mbig; \ 593 mcall-i960-old :-mlittle}" 594 595 #define CC1_ENDIAN_BIG_SPEC "" 596 597 #define CC1_ENDIAN_LITTLE_SPEC "\ 598 %{!mstrict-align: %{!mno-strict-align: \ 599 %{!mcall-i960-old: \ 600 -mstrict-align \ 601 } \ 602 }}" 603 604 #define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)" 605 606 #ifndef CC1_SECURE_PLT_DEFAULT_SPEC 607 #define CC1_SECURE_PLT_DEFAULT_SPEC "" 608 #endif 609 610 /* Pass -G xxx to the compiler and set correct endian mode. */ 611 #define CC1_SPEC "%{G*} \ 612 %{mlittle|mlittle-endian: %(cc1_endian_little); \ 613 mbig |mbig-endian : %(cc1_endian_big); \ 614 mcall-aixdesc | \ 615 mcall-freebsd | \ 616 mcall-netbsd | \ 617 mcall-openbsd | \ 618 mcall-linux | \ 619 mcall-gnu : -mbig %(cc1_endian_big); \ 620 mcall-i960-old : -mlittle %(cc1_endian_little); \ 621 : %(cc1_endian_default)} \ 622 %{meabi: %{!mcall-*: -mcall-sysv }} \ 623 %{!meabi: %{!mno-eabi: \ 624 %{mrelocatable: -meabi } \ 625 %{mcall-freebsd: -mno-eabi } \ 626 %{mcall-i960-old: -meabi } \ 627 %{mcall-linux: -mno-eabi } \ 628 %{mcall-gnu: -mno-eabi } \ 629 %{mcall-netbsd: -mno-eabi } \ 630 %{mcall-openbsd: -mno-eabi }}} \ 631 %{msdata: -msdata=default} \ 632 %{mno-sdata: -msdata=none} \ 633 %{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \ 634 %{profile: -p}" 635 636 /* Don't put -Y P,<path> for cross compilers. */ 637 #ifndef CROSS_COMPILE 638 #define LINK_PATH_SPEC "\ 639 %{!R*:%{L*:-R %*}} \ 640 %{!nostdlib: %{!YP,*: \ 641 %{compat-bsd: \ 642 %{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ 643 %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \ 644 %{!R*: %{!L*: -R /usr/ucblib}} \ 645 %{!compat-bsd: \ 646 %{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ 647 %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}}" 648 649 #else 650 #define LINK_PATH_SPEC "" 651 #endif 652 653 /* Default starting address if specified. */ 654 #define LINK_START_SPEC "\ 655 %{mads : %(link_start_ads) ; \ 656 myellowknife : %(link_start_yellowknife) ; \ 657 mmvme : %(link_start_mvme) ; \ 658 msim : %(link_start_sim) ; \ 659 mwindiss : %(link_start_windiss) ; \ 660 mcall-freebsd: %(link_start_freebsd) ; \ 661 mcall-linux : %(link_start_linux) ; \ 662 mcall-gnu : %(link_start_gnu) ; \ 663 mcall-netbsd : %(link_start_netbsd) ; \ 664 mcall-openbsd: %(link_start_openbsd) ; \ 665 : %(link_start_default) }" 666 667 #define LINK_START_DEFAULT_SPEC "" 668 669 /* Override svr4.h definition. */ 670 #undef LINK_SPEC 671 #define LINK_SPEC "\ 672 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \ 673 %{YP,*} %{R*} \ 674 %{Qy:} %{!Qn:-Qy} \ 675 %(link_shlib) \ 676 %{!Wl,-T*: %{!T*: %(link_start) }} \ 677 %(link_target) \ 678 %(link_os)" 679 680 /* For now, turn off shared libraries by default. */ 681 #ifndef SHARED_LIB_SUPPORT 682 #define NO_SHARED_LIB_SUPPORT 683 #endif 684 685 #ifndef NO_SHARED_LIB_SUPPORT 686 /* Shared libraries are default. */ 687 #define LINK_SHLIB_SPEC "\ 688 %{!static: %(link_path) %{!R*:%{L*:-R %*}}} \ 689 %{mshlib: } \ 690 %{static:-dn -Bstatic} \ 691 %{shared:-G -dy -z text} \ 692 %{symbolic:-Bsymbolic -G -dy -z text}" 693 694 #else 695 /* Shared libraries are not default. */ 696 #define LINK_SHLIB_SPEC "\ 697 %{mshlib: %(link_path) } \ 698 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \ 699 %{static: } \ 700 %{shared:-G -dy -z text %(link_path) } \ 701 %{symbolic:-Bsymbolic -G -dy -z text %(link_path) }" 702 #endif 703 704 /* Override the default target of the linker. */ 705 #define LINK_TARGET_SPEC "\ 706 %{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \ 707 %{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \ 708 %{mcall-i960-old: --oformat elf32-powerpcle} \ 709 }}}}" 710 711 /* Any specific OS flags. */ 712 #define LINK_OS_SPEC "\ 713 %{mads : %(link_os_ads) ; \ 714 myellowknife : %(link_os_yellowknife) ; \ 715 mmvme : %(link_os_mvme) ; \ 716 msim : %(link_os_sim) ; \ 717 mwindiss : %(link_os_windiss) ; \ 718 mcall-freebsd: %(link_os_freebsd) ; \ 719 mcall-linux : %(link_os_linux) ; \ 720 mcall-gnu : %(link_os_gnu) ; \ 721 mcall-netbsd : %(link_os_netbsd) ; \ 722 mcall-openbsd: %(link_os_openbsd) ; \ 723 : %(link_os_default) }" 724 725 #define LINK_OS_DEFAULT_SPEC "" 726 727 /* Override rs6000.h definition. */ 728 #undef CPP_SPEC 729 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ 730 %{mads : %(cpp_os_ads) ; \ 731 myellowknife : %(cpp_os_yellowknife) ; \ 732 mmvme : %(cpp_os_mvme) ; \ 733 msim : %(cpp_os_sim) ; \ 734 mwindiss : %(cpp_os_windiss) ; \ 735 mcall-freebsd: %(cpp_os_freebsd) ; \ 736 mcall-linux : %(cpp_os_linux) ; \ 737 mcall-gnu : %(cpp_os_gnu) ; \ 738 mcall-netbsd : %(cpp_os_netbsd) ; \ 739 mcall-openbsd: %(cpp_os_openbsd) ; \ 740 : %(cpp_os_default) }" 741 742 #define CPP_OS_DEFAULT_SPEC "" 743 744 /* Override svr4.h definition. */ 745 #undef STARTFILE_SPEC 746 #define STARTFILE_SPEC "\ 747 %{mads : %(startfile_ads) ; \ 748 myellowknife : %(startfile_yellowknife) ; \ 749 mmvme : %(startfile_mvme) ; \ 750 msim : %(startfile_sim) ; \ 751 mwindiss : %(startfile_windiss) ; \ 752 mcall-freebsd: %(startfile_freebsd) ; \ 753 mcall-linux : %(startfile_linux) ; \ 754 mcall-gnu : %(startfile_gnu) ; \ 755 mcall-netbsd : %(startfile_netbsd) ; \ 756 mcall-openbsd: %(startfile_openbsd) ; \ 757 : %(startfile_default) }" 758 759 #define STARTFILE_DEFAULT_SPEC "" 760 761 /* Override svr4.h definition. */ 762 #undef LIB_SPEC 763 #define LIB_SPEC "\ 764 %{mads : %(lib_ads) ; \ 765 myellowknife : %(lib_yellowknife) ; \ 766 mmvme : %(lib_mvme) ; \ 767 msim : %(lib_sim) ; \ 768 mwindiss : %(lib_windiss) ; \ 769 mcall-freebsd: %(lib_freebsd) ; \ 770 mcall-linux : %(lib_linux) ; \ 771 mcall-gnu : %(lib_gnu) ; \ 772 mcall-netbsd : %(lib_netbsd) ; \ 773 mcall-openbsd: %(lib_openbsd) ; \ 774 : %(lib_default) }" 775 776 #define LIB_DEFAULT_SPEC "" 777 778 /* Override svr4.h definition. */ 779 #undef ENDFILE_SPEC 780 #define ENDFILE_SPEC "\ 781 %{mads : crtsavres.o%s %(endfile_ads) ; \ 782 myellowknife : crtsavres.o%s %(endfile_yellowknife) ; \ 783 mmvme : crtsavres.o%s %(endfile_mvme) ; \ 784 msim : crtsavres.o%s %(endfile_sim) ; \ 785 mwindiss : %(endfile_windiss) ; \ 786 mcall-freebsd: crtsavres.o%s %(endfile_freebsd) ; \ 787 mcall-linux : crtsavres.o%s %(endfile_linux) ; \ 788 mcall-gnu : crtsavres.o%s %(endfile_gnu) ; \ 789 mcall-netbsd : crtsavres.o%s %(endfile_netbsd) ; \ 790 mcall-openbsd: crtsavres.o%s %(endfile_openbsd) ; \ 791 : %(crtsavres_default) %(endfile_default) }" 792 793 #define CRTSAVRES_DEFAULT_SPEC "crtsavres.o%s" 794 795 #define ENDFILE_DEFAULT_SPEC "" 796 797 /* Motorola ADS support. */ 798 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group" 799 800 #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" 801 802 #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s" 803 804 #define LINK_START_ADS_SPEC "-T ads.ld%s" 805 806 #define LINK_OS_ADS_SPEC "" 807 808 #define CPP_OS_ADS_SPEC "" 809 810 /* Motorola Yellowknife support. */ 811 #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group" 812 813 #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" 814 815 #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s" 816 817 #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s" 818 819 #define LINK_OS_YELLOWKNIFE_SPEC "" 820 821 #define CPP_OS_YELLOWKNIFE_SPEC "" 822 823 /* Motorola MVME support. */ 824 #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group" 825 826 #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" 827 828 #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s" 829 830 #define LINK_START_MVME_SPEC "-Ttext 0x40000" 831 832 #define LINK_OS_MVME_SPEC "" 833 834 #define CPP_OS_MVME_SPEC "" 835 836 /* PowerPC simulator based on netbsd system calls support. */ 837 #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group" 838 839 #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s" 840 841 #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s" 842 843 #define LINK_START_SIM_SPEC "" 844 845 #define LINK_OS_SIM_SPEC "-m elf32ppcsim" 846 847 #define CPP_OS_SIM_SPEC "" 848 849 /* FreeBSD support. */ 850 851 #define CPP_OS_FREEBSD_SPEC "\ 852 -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \ 853 -Acpu=powerpc -Amachine=powerpc" 854 855 #define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC 856 #define ENDFILE_FREEBSD_SPEC FBSD_ENDFILE_SPEC 857 #define LIB_FREEBSD_SPEC FBSD_LIB_SPEC 858 #define LINK_START_FREEBSD_SPEC "" 859 860 #define LINK_OS_FREEBSD_SPEC "\ 861 %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \ 862 %{v:-V} \ 863 %{assert*} %{R*} %{rpath*} %{defsym*} \ 864 %{shared:-Bshareable %{h*} %{soname*}} \ 865 %{!shared: \ 866 %{!static: \ 867 %{rdynamic: -export-dynamic} \ 868 %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \ 869 %{static:-Bstatic}} \ 870 %{symbolic:-Bsymbolic}" 871 872 /* GNU/Linux support. */ 873 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \ 874 %{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \ 875 %{!shared: %{profile:-lc_p} %{!profile:-lc}}}" 876 877 #ifdef HAVE_LD_PIE 878 #define STARTFILE_LINUX_SPEC "\ 879 %{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \ 880 %{mnewlib:ecrti.o%s;:crti.o%s} \ 881 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" 882 #else 883 #define STARTFILE_LINUX_SPEC "\ 884 %{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \ 885 %{mnewlib:ecrti.o%s;:crti.o%s} \ 886 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" 887 #endif 888 889 #define ENDFILE_LINUX_SPEC "\ 890 %{shared|pie:crtendS.o%s;:crtend.o%s} \ 891 %{mnewlib:ecrtn.o%s;:crtn.o%s}" 892 893 #define LINK_START_LINUX_SPEC "" 894 895 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" 896 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" 897 #if UCLIBC_DEFAULT 898 #define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}" 899 #else 900 #define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}" 901 #endif 902 #define LINUX_DYNAMIC_LINKER \ 903 CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER) 904 905 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \ 906 %{rdynamic:-export-dynamic} \ 907 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}" 908 909 #if defined(HAVE_LD_EH_FRAME_HDR) 910 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} " 911 #endif 912 913 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \ 914 %{!undef: \ 915 %{!ansi: \ 916 %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \ 917 %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \ 918 -Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}" 919 920 /* GNU/Hurd support. */ 921 #define LIB_GNU_SPEC "%{mnewlib: --start-group -lgnu -lc --end-group } \ 922 %{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \ 923 %{profile:-lc_p} %{!profile:-lc}}}" 924 925 #define STARTFILE_GNU_SPEC "\ 926 %{!shared: %{!static: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}} \ 927 %{static: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \ 928 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \ 929 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" 930 931 #define ENDFILE_GNU_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \ 932 %{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}" 933 934 #define LINK_START_GNU_SPEC "" 935 936 #define LINK_OS_GNU_SPEC "-m elf32ppclinux %{!shared: %{!static: \ 937 %{rdynamic:-export-dynamic} \ 938 %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}" 939 940 #define CPP_OS_GNU_SPEC "-D__unix__ -D__gnu_hurd__ -D__GNU__ \ 941 %{!undef: \ 942 %{!ansi: -Dunix -D__unix}} \ 943 -Asystem=gnu -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}" 944 945 /* NetBSD support. */ 946 #define LIB_NETBSD_SPEC "\ 947 %{profile:-lgmon -lc_p} %{!profile:-lc}" 948 949 #define STARTFILE_NETBSD_SPEC "\ 950 ncrti.o%s crt0.o%s \ 951 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" 952 953 #define ENDFILE_NETBSD_SPEC "\ 954 %{!shared:crtend.o%s} %{shared:crtendS.o%s} \ 955 ncrtn.o%s" 956 957 #define LINK_START_NETBSD_SPEC "\ 958 " 959 960 #define LINK_OS_NETBSD_SPEC "\ 961 %{!shared: %{!static: \ 962 %{rdynamic:-export-dynamic} \ 963 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}" 964 965 #define CPP_OS_NETBSD_SPEC "\ 966 -D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__" 967 968 /* OpenBSD support. */ 969 #ifndef LIB_OPENBSD_SPEC 970 #define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}" 971 #endif 972 973 #ifndef STARTFILE_OPENBSD_SPEC 974 #define STARTFILE_OPENBSD_SPEC "\ 975 %{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \ 976 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" 977 #endif 978 979 #ifndef ENDFILE_OPENBSD_SPEC 980 #define ENDFILE_OPENBSD_SPEC "\ 981 %{!shared:crtend.o%s} %{shared:crtendS.o%s}" 982 #endif 983 984 #ifndef LINK_START_OPENBSD_SPEC 985 #define LINK_START_OPENBSD_SPEC "-Ttext 0x400074" 986 #endif 987 988 #ifndef LINK_OS_OPENBSD_SPEC 989 #define LINK_OS_OPENBSD_SPEC "" 990 #endif 991 992 #ifndef CPP_OS_OPENBSD_SPEC 993 #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}" 994 #endif 995 996 /* WindISS support. */ 997 998 #define LIB_WINDISS_SPEC "--start-group -li -lcfp -lwindiss -lram -limpl -limpfp --end-group" 999 1000 #define CPP_OS_WINDISS_SPEC "\ 1001 -D__rtasim \ 1002 -D__EABI__ \ 1003 -D__ppc \ 1004 %{!msoft-float: -D__hardfp} \ 1005 " 1006 1007 #define STARTFILE_WINDISS_SPEC "crt0.o%s crtbegin.o%s" 1008 1009 #define ENDFILE_WINDISS_SPEC "crtend.o%s" 1010 1011 #define LINK_START_WINDISS_SPEC "" 1012 1013 #define LINK_OS_WINDISS_SPEC "" 1014 1015 /* Define any extra SPECS that the compiler needs to generate. */ 1016 /* Override rs6000.h definition. */ 1017 #undef SUBTARGET_EXTRA_SPECS 1018 #define SUBTARGET_EXTRA_SPECS \ 1019 { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \ 1020 { "lib_ads", LIB_ADS_SPEC }, \ 1021 { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \ 1022 { "lib_mvme", LIB_MVME_SPEC }, \ 1023 { "lib_sim", LIB_SIM_SPEC }, \ 1024 { "lib_freebsd", LIB_FREEBSD_SPEC }, \ 1025 { "lib_gnu", LIB_GNU_SPEC }, \ 1026 { "lib_linux", LIB_LINUX_SPEC }, \ 1027 { "lib_netbsd", LIB_NETBSD_SPEC }, \ 1028 { "lib_openbsd", LIB_OPENBSD_SPEC }, \ 1029 { "lib_windiss", LIB_WINDISS_SPEC }, \ 1030 { "lib_default", LIB_DEFAULT_SPEC }, \ 1031 { "startfile_ads", STARTFILE_ADS_SPEC }, \ 1032 { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \ 1033 { "startfile_mvme", STARTFILE_MVME_SPEC }, \ 1034 { "startfile_sim", STARTFILE_SIM_SPEC }, \ 1035 { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \ 1036 { "startfile_gnu", STARTFILE_GNU_SPEC }, \ 1037 { "startfile_linux", STARTFILE_LINUX_SPEC }, \ 1038 { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \ 1039 { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \ 1040 { "startfile_windiss", STARTFILE_WINDISS_SPEC }, \ 1041 { "startfile_default", STARTFILE_DEFAULT_SPEC }, \ 1042 { "endfile_ads", ENDFILE_ADS_SPEC }, \ 1043 { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \ 1044 { "endfile_mvme", ENDFILE_MVME_SPEC }, \ 1045 { "endfile_sim", ENDFILE_SIM_SPEC }, \ 1046 { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \ 1047 { "endfile_gnu", ENDFILE_GNU_SPEC }, \ 1048 { "endfile_linux", ENDFILE_LINUX_SPEC }, \ 1049 { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \ 1050 { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \ 1051 { "endfile_windiss", ENDFILE_WINDISS_SPEC }, \ 1052 { "endfile_default", ENDFILE_DEFAULT_SPEC }, \ 1053 { "link_path", LINK_PATH_SPEC }, \ 1054 { "link_shlib", LINK_SHLIB_SPEC }, \ 1055 { "link_target", LINK_TARGET_SPEC }, \ 1056 { "link_start", LINK_START_SPEC }, \ 1057 { "link_start_ads", LINK_START_ADS_SPEC }, \ 1058 { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \ 1059 { "link_start_mvme", LINK_START_MVME_SPEC }, \ 1060 { "link_start_sim", LINK_START_SIM_SPEC }, \ 1061 { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \ 1062 { "link_start_gnu", LINK_START_GNU_SPEC }, \ 1063 { "link_start_linux", LINK_START_LINUX_SPEC }, \ 1064 { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \ 1065 { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \ 1066 { "link_start_windiss", LINK_START_WINDISS_SPEC }, \ 1067 { "link_start_default", LINK_START_DEFAULT_SPEC }, \ 1068 { "link_os", LINK_OS_SPEC }, \ 1069 { "link_os_ads", LINK_OS_ADS_SPEC }, \ 1070 { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \ 1071 { "link_os_mvme", LINK_OS_MVME_SPEC }, \ 1072 { "link_os_sim", LINK_OS_SIM_SPEC }, \ 1073 { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \ 1074 { "link_os_linux", LINK_OS_LINUX_SPEC }, \ 1075 { "link_os_gnu", LINK_OS_GNU_SPEC }, \ 1076 { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \ 1077 { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ 1078 { "link_os_windiss", LINK_OS_WINDISS_SPEC }, \ 1079 { "link_os_default", LINK_OS_DEFAULT_SPEC }, \ 1080 { "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \ 1081 { "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \ 1082 { "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \ 1083 { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \ 1084 { "cpp_os_ads", CPP_OS_ADS_SPEC }, \ 1085 { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \ 1086 { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \ 1087 { "cpp_os_sim", CPP_OS_SIM_SPEC }, \ 1088 { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \ 1089 { "cpp_os_gnu", CPP_OS_GNU_SPEC }, \ 1090 { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \ 1091 { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \ 1092 { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \ 1093 { "cpp_os_windiss", CPP_OS_WINDISS_SPEC }, \ 1094 { "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \ 1095 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \ 1096 SUBSUBTARGET_EXTRA_SPECS 1097 1098 #define SUBSUBTARGET_EXTRA_SPECS 1099 1100 /* Define this macro as a C expression for the initializer of an 1101 array of string to tell the driver program which options are 1102 defaults for this target and thus do not need to be handled 1103 specially when using `MULTILIB_OPTIONS'. 1104 1105 Do not define this macro if `MULTILIB_OPTIONS' is not defined in 1106 the target makefile fragment or if none of the options listed in 1107 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 1108 1109 #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" } 1110 1111 /* Define this macro if the code for function profiling should come 1112 before the function prologue. Normally, the profiling code comes 1113 after. */ 1114 #define PROFILE_BEFORE_PROLOGUE 1 1115 1116 /* Function name to call to do profiling. */ 1117 #define RS6000_MCOUNT "_mcount" 1118 1119 /* Define this macro (to a value of 1) if you want to support the 1120 Win32 style pragmas #pragma pack(push,<n>)' and #pragma 1121 pack(pop)'. The pack(push,<n>) pragma specifies the maximum 1122 alignment (in bytes) of fields within a structure, in much the 1123 same way as the __aligned__' and __packed__' __attribute__'s 1124 do. A pack value of zero resets the behavior to the default. 1125 Successive invocations of this pragma cause the previous values to 1126 be stacked, so that invocations of #pragma pack(pop)' will return 1127 to the previous value. */ 1128 1129 #define HANDLE_PRAGMA_PACK_PUSH_POP 1 1130 1131 /* Select a format to encode pointers in exception handling data. CODE 1132 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is 1133 true if the symbol may be affected by dynamic relocations. */ 1134 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ 1135 ((flag_pic || TARGET_RELOCATABLE) \ 1136 ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \ 1137 : DW_EH_PE_absptr) 1138 1139 #define DOUBLE_INT_ASM_OP "\t.quad\t" 1140 1141 /* Generate entries in .fixup for relocatable addresses. */ 1142 #define RELOCATABLE_NEEDS_FIXUP 1 1143 1144 /* This target uses the sysv4.opt file. */ 1145 #define TARGET_USES_SYSV4_OPT 1 1146