Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/rs6000/sysv4.h @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | 04ced10e8804 |
| children | 1830386684a0 |
| rev | line source |
|---|---|
| 0 | 1 /* Target definitions for GNU compiler for PowerPC running System V.4 |
| 131 | 2 Copyright (C) 1995-2018 Free Software Foundation, Inc. |
| 0 | 3 Contributed by Cygnus Support. |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published | |
| 9 by the Free Software Foundation; either version 3, or (at your | |
| 10 option) any later version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 15 License for more details. | |
| 16 | |
| 17 Under Section 7 of GPL version 3, you are granted additional | |
| 18 permissions described in the GCC Runtime Library Exception, version | |
| 19 3.1, as published by the Free Software Foundation. | |
| 20 | |
| 21 You should have received a copy of the GNU General Public License and | |
| 22 a copy of the GCC Runtime Library Exception along with this program; | |
| 23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 24 <http://www.gnu.org/licenses/>. */ | |
| 25 | |
| 26 /* Yes! We are ELF. */ | |
| 27 #define TARGET_OBJECT_FORMAT OBJECT_ELF | |
| 28 | |
| 29 /* Default ABI to compile code for. */ | |
| 30 #define DEFAULT_ABI rs6000_current_abi | |
| 31 | |
| 32 /* Default ABI to use. */ | |
| 33 #define RS6000_ABI_NAME "sysv" | |
| 34 | |
| 35 /* Override rs6000.h definition. */ | |
| 36 #undef ASM_DEFAULT_SPEC | |
| 37 #define ASM_DEFAULT_SPEC "-mppc" | |
| 38 | |
| 111 | 39 #define TARGET_TOC (TARGET_64BIT \ |
| 40 || (TARGET_MINIMAL_TOC \ | |
| 0 | 41 && flag_pic > 1) \ |
| 111 | 42 || DEFAULT_ABI != ABI_V4) |
| 0 | 43 |
| 44 #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE) | |
| 45 #define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN) | |
|
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46 #define TARGET_PROTOTYPE target_prototype |
| 0 | 47 #define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE) |
| 48 #define TARGET_NO_TOC (! TARGET_TOC) | |
| 49 #define TARGET_NO_EABI (! TARGET_EABI) | |
|
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50 #define TARGET_REGNAMES rs6000_regnames |
| 0 | 51 |
| 52 #ifdef HAVE_AS_REL16 | |
| 53 #undef TARGET_SECURE_PLT | |
| 54 #define TARGET_SECURE_PLT secure_plt | |
| 55 #endif | |
| 56 | |
| 57 #define SDATA_DEFAULT_SIZE 8 | |
| 58 | |
|
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59 /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to |
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60 get control in TARGET_OPTION_OVERRIDE. */ |
| 0 | 61 |
| 62 #define SUBTARGET_OVERRIDE_OPTIONS \ | |
| 63 do { \ | |
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64 if (!global_options_set.x_g_switch_value) \ |
| 0 | 65 g_switch_value = SDATA_DEFAULT_SIZE; \ |
| 66 \ | |
| 67 if (rs6000_abi_name == NULL) \ | |
| 68 rs6000_abi_name = RS6000_ABI_NAME; \ | |
| 69 \ | |
| 70 if (!strcmp (rs6000_abi_name, "sysv")) \ | |
| 71 rs6000_current_abi = ABI_V4; \ | |
| 72 else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \ | |
| 73 { \ | |
| 74 rs6000_current_abi = ABI_V4; \ | |
| 111 | 75 rs6000_isa_flags &= ~ OPTION_MASK_EABI; \ |
| 0 | 76 } \ |
| 77 else if (!strcmp (rs6000_abi_name, "sysv-eabi") \ | |
| 78 || !strcmp (rs6000_abi_name, "eabi")) \ | |
| 79 { \ | |
| 80 rs6000_current_abi = ABI_V4; \ | |
| 111 | 81 rs6000_isa_flags |= OPTION_MASK_EABI; \ |
| 0 | 82 } \ |
| 83 else if (!strcmp (rs6000_abi_name, "aixdesc")) \ | |
| 84 rs6000_current_abi = ABI_AIX; \ | |
| 111 | 85 else if (!strcmp (rs6000_abi_name, "freebsd") \ |
| 86 || !strcmp (rs6000_abi_name, "linux")) \ | |
| 0 | 87 { \ |
| 88 if (TARGET_64BIT) \ | |
| 89 rs6000_current_abi = ABI_AIX; \ | |
| 90 else \ | |
| 91 rs6000_current_abi = ABI_V4; \ | |
| 92 } \ | |
| 93 else if (!strcmp (rs6000_abi_name, "netbsd")) \ | |
| 94 rs6000_current_abi = ABI_V4; \ | |
| 95 else if (!strcmp (rs6000_abi_name, "openbsd")) \ | |
| 96 rs6000_current_abi = ABI_V4; \ | |
| 97 else if (!strcmp (rs6000_abi_name, "i960-old")) \ | |
| 98 { \ | |
| 99 rs6000_current_abi = ABI_V4; \ | |
| 111 | 100 rs6000_isa_flags |= (OPTION_MASK_LITTLE_ENDIAN | OPTION_MASK_EABI); \ |
| 101 rs6000_isa_flags &= ~OPTION_MASK_STRICT_ALIGN; \ | |
|
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102 TARGET_NO_BITFIELD_WORD = 1; \ |
| 0 | 103 } \ |
| 104 else \ | |
| 105 { \ | |
| 106 rs6000_current_abi = ABI_V4; \ | |
| 111 | 107 error ("bad value for %<%s-%s%>", "-mcall", rs6000_abi_name); \ |
| 0 | 108 } \ |
| 109 \ | |
| 110 if (rs6000_sdata_name) \ | |
| 111 { \ | |
| 112 if (!strcmp (rs6000_sdata_name, "none")) \ | |
| 113 rs6000_sdata = SDATA_NONE; \ | |
| 114 else if (!strcmp (rs6000_sdata_name, "data")) \ | |
| 115 rs6000_sdata = SDATA_DATA; \ | |
| 116 else if (!strcmp (rs6000_sdata_name, "default")) \ | |
| 117 rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \ | |
| 118 else if (!strcmp (rs6000_sdata_name, "sysv")) \ | |
| 119 rs6000_sdata = SDATA_SYSV; \ | |
| 120 else if (!strcmp (rs6000_sdata_name, "eabi")) \ | |
| 121 rs6000_sdata = SDATA_EABI; \ | |
| 122 else \ | |
| 111 | 123 error ("bad value for %<%s=%s%>", "-msdata", rs6000_sdata_name);\ |
| 0 | 124 } \ |
| 125 else if (DEFAULT_ABI == ABI_V4) \ | |
| 126 { \ | |
| 127 rs6000_sdata = SDATA_DATA; \ | |
| 128 rs6000_sdata_name = "data"; \ | |
| 129 } \ | |
| 130 else \ | |
| 131 { \ | |
| 132 rs6000_sdata = SDATA_NONE; \ | |
| 133 rs6000_sdata_name = "none"; \ | |
| 134 } \ | |
| 135 \ | |
| 136 if (TARGET_RELOCATABLE && \ | |
| 137 (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \ | |
| 138 { \ | |
| 139 rs6000_sdata = SDATA_DATA; \ | |
| 111 | 140 error ("%qs and %<%s=%s%> are incompatible", rs6000_sdata_name, \ |
| 141 "-mrelocatable", "-msdata"); \ | |
| 0 | 142 } \ |
| 143 \ | |
| 111 | 144 else if (flag_pic && DEFAULT_ABI == ABI_V4 \ |
| 0 | 145 && (rs6000_sdata == SDATA_EABI \ |
| 146 || rs6000_sdata == SDATA_SYSV)) \ | |
| 147 { \ | |
| 148 rs6000_sdata = SDATA_DATA; \ | |
| 111 | 149 error ("%<-f%s%> and %<%s=%s%> are incompatible", \ |
| 0 | 150 (flag_pic > 1) ? "PIC" : "pic", \ |
| 111 | 151 "-msdata", rs6000_sdata_name); \ |
| 0 | 152 } \ |
| 153 \ | |
| 154 if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \ | |
| 155 || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \ | |
| 156 { \ | |
| 157 rs6000_sdata = SDATA_NONE; \ | |
| 111 | 158 error ("%<%s=%s%> and %<%s-%s%> are incompatible", \ |
| 159 "-msdata", rs6000_sdata_name, "-mcall", rs6000_abi_name); \ | |
| 0 | 160 } \ |
| 161 \ | |
| 162 targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \ | |
| 163 \ | |
| 164 if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \ | |
| 165 { \ | |
| 111 | 166 rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \ |
| 167 error ("%qs and %qs are incompatible", "-mrelocatable", \ | |
| 168 "-mno-minimal-toc"); \ | |
| 0 | 169 } \ |
| 170 \ | |
| 111 | 171 if (TARGET_RELOCATABLE && rs6000_current_abi != ABI_V4) \ |
| 172 { \ | |
| 173 rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE; \ | |
| 174 error ("%qs and %<%s-%s%> are incompatible", \ | |
| 175 "-mrelocatable", "-mcall", rs6000_abi_name); \ | |
| 176 } \ | |
| 177 \ | |
| 178 if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi != ABI_V4) \ | |
| 0 | 179 { \ |
| 180 flag_pic = 0; \ | |
| 111 | 181 error ("%qs and %<%s-%s%> are incompatible", \ |
| 182 "-fPIC", "-mcall", rs6000_abi_name); \ | |
| 0 | 183 } \ |
| 184 \ | |
| 185 if (TARGET_SECURE_PLT != secure_plt) \ | |
| 186 { \ | |
| 111 | 187 error ("%qs not supported by your assembler", "-msecure-plt"); \ |
| 0 | 188 } \ |
| 189 \ | |
| 111 | 190 if (flag_pic > 1 && DEFAULT_ABI == ABI_V4) \ |
| 0 | 191 { \ |
| 111 | 192 /* Note: flag_pic should not change any option flags that would \ |
| 193 be invalid with or pessimise -fno-PIC code. LTO turns off \ | |
| 194 flag_pic when linking/recompiling a fixed position executable. \ | |
| 195 However, if the objects were originally compiled with -fPIC, \ | |
| 196 then other target options forced on here by -fPIC are restored \ | |
| 197 when recompiling those objects without -fPIC. In particular \ | |
| 198 TARGET_RELOCATABLE must not be enabled here by flag_pic. */ \ | |
| 199 rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \ | |
| 0 | 200 TARGET_NO_FP_IN_TOC = 1; \ |
| 201 } \ | |
| 202 \ | |
| 111 | 203 if (TARGET_RELOCATABLE) \ |
| 204 { \ | |
| 205 if (!flag_pic) \ | |
| 206 flag_pic = 2; \ | |
| 207 TARGET_NO_FP_IN_TOC = 1; \ | |
| 208 } \ | |
| 0 | 209 } while (0) |
| 210 | |
| 211 #ifndef RS6000_BI_ARCH | |
| 212 # define SUBSUBTARGET_OVERRIDE_OPTIONS \ | |
| 213 do { \ | |
| 111 | 214 if ((TARGET_DEFAULT ^ rs6000_isa_flags) & OPTION_MASK_64BIT) \ |
| 215 error ("%<-m%s%> not supported in this configuration", \ | |
| 216 (rs6000_isa_flags & OPTION_MASK_64BIT) ? "64" : "32"); \ | |
| 0 | 217 } while (0) |
| 218 #endif | |
| 219 | |
| 220 /* Override rs6000.h definition. */ | |
| 221 #undef TARGET_DEFAULT | |
| 111 | 222 #define TARGET_DEFAULT 0 |
| 0 | 223 |
| 224 /* Override rs6000.h definition. */ | |
| 225 #undef PROCESSOR_DEFAULT | |
| 226 #define PROCESSOR_DEFAULT PROCESSOR_PPC750 | |
| 227 | |
| 228 #define FIXED_R2 1 | |
| 229 /* System V.4 uses register 13 as a pointer to the small data area, | |
| 230 so it is not available to the normal user. */ | |
| 231 #define FIXED_R13 1 | |
| 232 | |
| 233 /* Override default big endianism definitions in rs6000.h. */ | |
| 234 #undef BYTES_BIG_ENDIAN | |
| 235 #undef WORDS_BIG_ENDIAN | |
| 236 #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN) | |
| 237 #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN) | |
| 238 | |
| 239 /* Put jump tables in read-only memory, rather than in .text. */ | |
| 240 #define JUMP_TABLES_IN_TEXT_SECTION 0 | |
| 241 | |
| 242 /* Prefix and suffix to use to saving floating point. */ | |
| 243 #define SAVE_FP_PREFIX "_savefpr_" | |
|
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244 #define SAVE_FP_SUFFIX "" |
| 0 | 245 |
| 246 /* Prefix and suffix to use to restoring floating point. */ | |
| 247 #define RESTORE_FP_PREFIX "_restfpr_" | |
|
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248 #define RESTORE_FP_SUFFIX "" |
| 0 | 249 |
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250 /* Type used for size_t, as a string used in a declaration. */ |
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251 #undef SIZE_TYPE |
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252 #define SIZE_TYPE "unsigned int" |
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253 |
| 0 | 254 /* Type used for ptrdiff_t, as a string used in a declaration. */ |
| 255 #define PTRDIFF_TYPE "int" | |
| 256 | |
| 257 #undef WCHAR_TYPE | |
| 258 #define WCHAR_TYPE "long int" | |
| 259 | |
| 260 #undef WCHAR_TYPE_SIZE | |
| 261 #define WCHAR_TYPE_SIZE 32 | |
| 262 | |
| 263 /* Make int foo : 8 not cause structures to be aligned to an int boundary. */ | |
| 264 /* Override elfos.h definition. */ | |
| 265 #undef PCC_BITFIELD_TYPE_MATTERS | |
| 266 #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE) | |
| 267 | |
| 268 #undef BITFIELD_NBYTES_LIMITED | |
| 269 #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD) | |
| 270 | |
| 271 /* Define this macro to be the value 1 if instructions will fail to | |
| 272 work if given data not on the nominal alignment. If instructions | |
| 273 will merely go slower in that case, define this macro as 0. */ | |
| 274 #undef STRICT_ALIGNMENT | |
| 275 #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN) | |
| 276 | |
| 277 /* Define this macro if you wish to preserve a certain alignment for | |
| 278 the stack pointer, greater than what the hardware enforces. The | |
| 279 definition is a C expression for the desired alignment (measured | |
| 280 in bits). This macro must evaluate to a value equal to or larger | |
| 281 than STACK_BOUNDARY. | |
| 282 For the SYSV ABI and variants the alignment of the stack pointer | |
| 283 is usually controlled manually in rs6000.c. However, to maintain | |
| 284 alignment across alloca () in all circumstances, | |
| 285 PREFERRED_STACK_BOUNDARY needs to be set as well. | |
| 286 This has the additional advantage of allowing a bigger maximum | |
| 287 alignment of user objects on the stack. */ | |
| 288 | |
| 289 #undef PREFERRED_STACK_BOUNDARY | |
| 290 #define PREFERRED_STACK_BOUNDARY 128 | |
| 291 | |
| 292 /* Real stack boundary as mandated by the appropriate ABI. */ | |
| 293 #define ABI_STACK_BOUNDARY \ | |
| 294 ((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128) | |
| 295 | |
| 296 /* An expression for the alignment of a structure field FIELD if the | |
| 297 alignment computed in the usual way is COMPUTED. */ | |
| 111 | 298 #define ADJUST_FIELD_ALIGN(FIELD, TYPE, COMPUTED) \ |
| 299 (rs6000_special_adjust_field_align_p ((TYPE), (COMPUTED)) \ | |
| 0 | 300 ? 128 : COMPUTED) |
| 301 | |
| 302 #undef BIGGEST_FIELD_ALIGNMENT | |
| 303 | |
| 304 /* Use ELF style section commands. */ | |
| 305 | |
| 306 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" | |
| 307 | |
| 308 #define DATA_SECTION_ASM_OP "\t.section\t\".data\"" | |
| 309 | |
| 310 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" | |
| 311 | |
| 312 /* Override elfos.h definition. */ | |
| 313 #undef INIT_SECTION_ASM_OP | |
| 314 #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\"" | |
| 315 | |
| 316 /* Override elfos.h definition. */ | |
| 317 #undef FINI_SECTION_ASM_OP | |
| 318 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\"" | |
| 319 | |
| 320 #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\"" | |
| 321 | |
| 322 /* Put PC relative got entries in .got2. */ | |
| 323 #define MINIMAL_TOC_SECTION_ASM_OP \ | |
| 111 | 324 (flag_pic ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"") |
| 0 | 325 |
| 326 #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\"" | |
| 327 #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\"" | |
| 328 #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits" | |
| 329 | |
| 330 /* Override default elf definitions. */ | |
| 331 #define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections | |
| 332 #undef TARGET_ASM_RELOC_RW_MASK | |
| 333 #define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask | |
| 334 #undef TARGET_ASM_SELECT_RTX_SECTION | |
| 335 #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section | |
| 336 | |
| 337 /* Return nonzero if this entry is to be written into the constant pool | |
| 338 in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST | |
| 339 containing one of them. If -mfp-in-toc (the default), we also do | |
| 340 this for floating-point constants. We actually can only do this | |
| 341 if the FP formats of the target and host machines are the same, but | |
|
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342 we can't check that since not every file that uses these target macros |
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343 includes real.h. |
| 0 | 344 |
| 345 Unlike AIX, we don't key off of -mminimal-toc, but instead do not | |
| 346 allow floating point constants in the TOC if -mrelocatable. */ | |
| 347 | |
| 348 #undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P | |
| 349 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \ | |
| 350 (TARGET_TOC \ | |
| 351 && (GET_CODE (X) == SYMBOL_REF \ | |
| 352 || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \ | |
| 353 && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \ | |
| 354 || GET_CODE (X) == LABEL_REF \ | |
| 355 || (GET_CODE (X) == CONST_INT \ | |
| 356 && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \ | |
| 357 || (!TARGET_NO_FP_IN_TOC \ | |
| 358 && GET_CODE (X) == CONST_DOUBLE \ | |
| 359 && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \ | |
| 360 && BITS_PER_WORD == HOST_BITS_PER_INT))) | |
| 361 | |
| 362 /* These macros generate the special .type and .size directives which | |
| 363 are used to set the corresponding fields of the linker symbol table | |
| 364 entries in an ELF object file under SVR4. These macros also output | |
| 365 the starting labels for the relevant functions/objects. */ | |
| 366 | |
| 367 /* Write the extra assembler code needed to declare a function properly. | |
| 368 Some svr4 assemblers need to also have something extra said about the | |
| 369 function's return value. We allow for that here. */ | |
| 370 | |
| 371 /* Override elfos.h definition. */ | |
| 372 #undef ASM_DECLARE_FUNCTION_NAME | |
| 373 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ | |
| 374 rs6000_elf_declare_function_name ((FILE), (NAME), (DECL)) | |
| 375 | |
| 376 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore | |
| 377 flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */ | |
| 378 | |
| 379 #define LOCAL_LABEL_PREFIX "." | |
| 380 #define USER_LABEL_PREFIX "" | |
| 381 | |
| 382 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \ | |
| 383 asm_fprintf (FILE, "%L%s", PREFIX) | |
| 384 | |
| 385 /* Globalizing directive for a label. */ | |
| 386 #define GLOBAL_ASM_OP "\t.globl " | |
| 387 | |
| 388 /* This says how to output assembler code to declare an | |
| 389 uninitialized internal linkage data object. Under SVR4, | |
| 390 the linker seems to want the alignment of data objects | |
| 391 to depend on their types. We do exactly that here. */ | |
| 392 | |
| 393 #define LOCAL_ASM_OP "\t.local\t" | |
| 394 | |
| 395 #define LCOMM_ASM_OP "\t.lcomm\t" | |
| 396 | |
| 397 /* Describe how to emit uninitialized local items. */ | |
| 398 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 399 do { \ | |
| 400 if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \ | |
| 401 { \ | |
| 402 switch_to_section (sbss_section); \ | |
| 403 ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \ | |
| 404 ASM_OUTPUT_LABEL (FILE, NAME); \ | |
| 405 ASM_OUTPUT_SKIP (FILE, SIZE); \ | |
| 406 if (!flag_inhibit_size_directive && (SIZE) > 0) \ | |
| 407 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \ | |
| 408 } \ | |
| 409 else \ | |
| 410 { \ | |
| 411 fprintf (FILE, "%s", LCOMM_ASM_OP); \ | |
| 412 assemble_name ((FILE), (NAME)); \ | |
| 111 | 413 fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ |
| 0 | 414 (SIZE), (ALIGN) / BITS_PER_UNIT); \ |
| 415 } \ | |
| 416 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ | |
| 417 } while (0) | |
| 418 | |
| 419 /* Describe how to emit uninitialized external linkage items. */ | |
| 420 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 421 do { \ | |
| 422 ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \ | |
| 423 } while (0) | |
| 424 | |
| 425 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN | |
| 426 /* To support -falign-* switches we need to use .p2align so | |
| 427 that alignment directives in code sections will be padded | |
| 428 with no-op instructions, rather than zeroes. */ | |
| 429 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ | |
| 430 if ((LOG) != 0) \ | |
| 431 { \ | |
| 432 if ((MAX_SKIP) == 0) \ | |
| 433 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ | |
| 434 else \ | |
| 435 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ | |
| 436 } | |
| 437 #endif | |
| 438 | |
| 439 /* This is how to output code to push a register on the stack. | |
| 440 It need not be very fast code. | |
| 441 | |
| 442 On the rs6000, we must keep the backchain up to date. In order | |
| 443 to simplify things, always allocate 16 bytes for a push (System V | |
| 444 wants to keep stack aligned to a 16 byte boundary). */ | |
| 445 | |
| 446 #define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \ | |
| 447 do { \ | |
| 448 if (DEFAULT_ABI == ABI_V4) \ | |
| 449 asm_fprintf (FILE, \ | |
| 111 | 450 "\tstwu %s,-16(%s)\n\tstw %s,12(%s)\n", \ |
| 0 | 451 reg_names[1], reg_names[1], reg_names[REGNO], \ |
| 452 reg_names[1]); \ | |
| 453 } while (0) | |
| 454 | |
| 455 /* This is how to output an insn to pop a register from the stack. | |
| 456 It need not be very fast code. */ | |
| 457 | |
| 458 #define ASM_OUTPUT_REG_POP(FILE, REGNO) \ | |
| 459 do { \ | |
| 460 if (DEFAULT_ABI == ABI_V4) \ | |
| 461 asm_fprintf (FILE, \ | |
| 111 | 462 "\tlwz %s,12(%s)\n\taddi %s,%s,16\n", \ |
| 0 | 463 reg_names[REGNO], reg_names[1], reg_names[1], \ |
| 464 reg_names[1]); \ | |
| 465 } while (0) | |
| 466 | |
| 467 extern int fixuplabelno; | |
| 468 | |
| 469 /* Handle constructors specially for -mrelocatable. */ | |
| 470 #define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor | |
| 471 #define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor | |
| 472 | |
| 473 /* This is the end of what might become sysv4.h. */ | |
| 474 | |
| 475 /* Use DWARF 2 debugging information by default. */ | |
| 476 #undef PREFERRED_DEBUGGING_TYPE | |
| 477 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG | |
| 478 | |
| 479 /* Historically we have also supported stabs debugging. */ | |
| 480 #define DBX_DEBUGGING_INFO 1 | |
| 481 | |
| 482 #define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info | |
| 483 #define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p | |
| 484 | |
| 485 /* The ELF version doesn't encode [DS] or whatever at the end of symbols. */ | |
| 486 | |
| 487 #define RS6000_OUTPUT_BASENAME(FILE, NAME) \ | |
| 488 assemble_name (FILE, NAME) | |
| 489 | |
| 490 /* We have to output the stabs for the function name *first*, before | |
| 491 outputting its label. */ | |
| 492 | |
| 493 #define DBX_FUNCTION_FIRST | |
| 494 | |
| 495 /* This is the end of what might become sysv4dbx.h. */ | |
| 496 | |
| 497 #define TARGET_OS_SYSV_CPP_BUILTINS() \ | |
| 498 do \ | |
| 499 { \ | |
| 111 | 500 if (rs6000_isa_flags_explicit \ |
| 501 & OPTION_MASK_RELOCATABLE) \ | |
| 0 | 502 builtin_define ("_RELOCATABLE"); \ |
| 503 } \ | |
| 504 while (0) | |
| 505 | |
| 506 #ifndef TARGET_OS_CPP_BUILTINS | |
| 507 #define TARGET_OS_CPP_BUILTINS() \ | |
| 508 do \ | |
| 509 { \ | |
| 510 builtin_define_std ("PPC"); \ | |
| 511 builtin_define_std ("unix"); \ | |
| 512 builtin_define ("__svr4__"); \ | |
| 513 builtin_assert ("system=unix"); \ | |
| 514 builtin_assert ("system=svr4"); \ | |
| 515 builtin_assert ("cpu=powerpc"); \ | |
| 516 builtin_assert ("machine=powerpc"); \ | |
| 517 TARGET_OS_SYSV_CPP_BUILTINS (); \ | |
| 518 } \ | |
| 519 while (0) | |
| 520 #endif | |
| 521 | |
| 111 | 522 /* Select one of BIG_OPT, LITTLE_OPT or DEFAULT_OPT depending |
| 523 on various -mbig, -mlittle and -mcall- options. */ | |
| 524 #define ENDIAN_SELECT(BIG_OPT, LITTLE_OPT, DEFAULT_OPT) \ | |
| 525 "%{mlittle|mlittle-endian:" LITTLE_OPT ";" \ | |
| 526 "mbig|mbig-endian:" BIG_OPT ";" \ | |
| 527 "mcall-i960-old:" LITTLE_OPT ";" \ | |
| 528 ":" DEFAULT_OPT "}" | |
| 529 | |
| 530 #define DEFAULT_ASM_ENDIAN " -mbig" | |
| 531 | |
| 0 | 532 #undef ASM_SPEC |
| 533 #define ASM_SPEC "%(asm_cpu) \ | |
|
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534 %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \ |
| 111 | 535 %{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \ |
| 536 %{memb|msdata=eabi: -memb}" \ | |
| 537 ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN) | |
| 0 | 538 |
| 539 #ifndef CC1_SECURE_PLT_DEFAULT_SPEC | |
| 540 #define CC1_SECURE_PLT_DEFAULT_SPEC "" | |
| 541 #endif | |
| 111 | 542 #ifndef LINK_SECURE_PLT_DEFAULT_SPEC |
| 543 #define LINK_SECURE_PLT_DEFAULT_SPEC "" | |
| 544 #endif | |
| 0 | 545 |
| 111 | 546 /* Pass -G xxx to the compiler. */ |
| 547 #undef CC1_SPEC | |
| 548 #define CC1_SPEC "%{G*} %(cc1_cpu)" \ | |
| 549 "%{meabi: %{!mcall-*: -mcall-sysv }} \ | |
| 0 | 550 %{!meabi: %{!mno-eabi: \ |
| 551 %{mrelocatable: -meabi } \ | |
| 552 %{mcall-freebsd: -mno-eabi } \ | |
| 553 %{mcall-i960-old: -meabi } \ | |
| 554 %{mcall-linux: -mno-eabi } \ | |
| 555 %{mcall-netbsd: -mno-eabi } \ | |
| 556 %{mcall-openbsd: -mno-eabi }}} \ | |
| 557 %{msdata: -msdata=default} \ | |
| 558 %{mno-sdata: -msdata=none} \ | |
| 559 %{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \ | |
| 560 %{profile: -p}" | |
| 561 | |
| 562 /* Default starting address if specified. */ | |
| 563 #define LINK_START_SPEC "\ | |
| 564 %{mads : %(link_start_ads) ; \ | |
| 565 myellowknife : %(link_start_yellowknife) ; \ | |
| 566 mmvme : %(link_start_mvme) ; \ | |
| 567 msim : %(link_start_sim) ; \ | |
| 568 mcall-freebsd: %(link_start_freebsd) ; \ | |
| 569 mcall-linux : %(link_start_linux) ; \ | |
| 570 mcall-netbsd : %(link_start_netbsd) ; \ | |
| 571 mcall-openbsd: %(link_start_openbsd) ; \ | |
| 572 : %(link_start_default) }" | |
| 573 | |
| 574 #define LINK_START_DEFAULT_SPEC "" | |
| 111 | 575 #define LINK_SECURE_PLT_SPEC LINK_SECURE_PLT_DEFAULT_SPEC |
| 0 | 576 |
| 577 #undef LINK_SPEC | |
| 578 #define LINK_SPEC "\ | |
| 579 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \ | |
|
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580 %{R*} \ |
| 0 | 581 %(link_shlib) \ |
|
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582 %{!T*: %(link_start) } \ |
| 111 | 583 %{!static: %{!mbss-plt: %(link_secure_plt)}} \ |
| 0 | 584 %(link_os)" |
| 585 | |
| 586 /* Shared libraries are not default. */ | |
| 587 #define LINK_SHLIB_SPEC "\ | |
| 588 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \ | |
| 589 %{static: } \ | |
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590 %{shared:-G -dy -z text } \ |
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591 %{symbolic:-Bsymbolic -G -dy -z text }" |
| 0 | 592 |
| 593 /* Any specific OS flags. */ | |
| 594 #define LINK_OS_SPEC "\ | |
| 595 %{mads : %(link_os_ads) ; \ | |
| 596 myellowknife : %(link_os_yellowknife) ; \ | |
| 597 mmvme : %(link_os_mvme) ; \ | |
| 598 msim : %(link_os_sim) ; \ | |
| 599 mcall-freebsd: %(link_os_freebsd) ; \ | |
| 600 mcall-linux : %(link_os_linux) ; \ | |
| 601 mcall-netbsd : %(link_os_netbsd) ; \ | |
| 602 mcall-openbsd: %(link_os_openbsd) ; \ | |
| 603 : %(link_os_default) }" | |
| 604 | |
| 605 #define LINK_OS_DEFAULT_SPEC "" | |
| 606 | |
| 607 /* Override rs6000.h definition. */ | |
| 608 #undef CPP_SPEC | |
| 609 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ | |
| 610 %{mads : %(cpp_os_ads) ; \ | |
| 611 myellowknife : %(cpp_os_yellowknife) ; \ | |
| 612 mmvme : %(cpp_os_mvme) ; \ | |
| 613 msim : %(cpp_os_sim) ; \ | |
| 614 mcall-freebsd: %(cpp_os_freebsd) ; \ | |
| 615 mcall-linux : %(cpp_os_linux) ; \ | |
| 616 mcall-netbsd : %(cpp_os_netbsd) ; \ | |
| 617 mcall-openbsd: %(cpp_os_openbsd) ; \ | |
| 618 : %(cpp_os_default) }" | |
| 619 | |
| 620 #define CPP_OS_DEFAULT_SPEC "" | |
| 621 | |
| 622 #undef STARTFILE_SPEC | |
| 623 #define STARTFILE_SPEC "\ | |
| 624 %{mads : %(startfile_ads) ; \ | |
| 625 myellowknife : %(startfile_yellowknife) ; \ | |
| 626 mmvme : %(startfile_mvme) ; \ | |
| 627 msim : %(startfile_sim) ; \ | |
| 628 mcall-freebsd: %(startfile_freebsd) ; \ | |
| 629 mcall-linux : %(startfile_linux) ; \ | |
| 630 mcall-netbsd : %(startfile_netbsd) ; \ | |
| 631 mcall-openbsd: %(startfile_openbsd) ; \ | |
| 632 : %(startfile_default) }" | |
| 633 | |
| 634 #define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s" | |
| 635 | |
| 636 #undef LIB_SPEC | |
| 637 #define LIB_SPEC "\ | |
| 638 %{mads : %(lib_ads) ; \ | |
| 639 myellowknife : %(lib_yellowknife) ; \ | |
| 640 mmvme : %(lib_mvme) ; \ | |
| 641 msim : %(lib_sim) ; \ | |
| 642 mcall-freebsd: %(lib_freebsd) ; \ | |
| 643 mcall-linux : %(lib_linux) ; \ | |
| 644 mcall-netbsd : %(lib_netbsd) ; \ | |
| 645 mcall-openbsd: %(lib_openbsd) ; \ | |
| 646 : %(lib_default) }" | |
| 647 | |
| 648 #define LIB_DEFAULT_SPEC "-lc" | |
| 649 | |
| 650 #undef ENDFILE_SPEC | |
| 651 #define ENDFILE_SPEC "\ | |
| 652 %{mads : %(endfile_ads) ; \ | |
| 653 myellowknife : %(endfile_yellowknife) ; \ | |
| 654 mmvme : %(endfile_mvme) ; \ | |
| 655 msim : %(endfile_sim) ; \ | |
| 656 mcall-freebsd: %(endfile_freebsd) ; \ | |
| 657 mcall-linux : %(endfile_linux) ; \ | |
| 658 mcall-netbsd : %(endfile_netbsd) ; \ | |
| 659 mcall-openbsd: %(endfile_openbsd) ; \ | |
| 660 : %(crtsavres_default) %(endfile_default) }" | |
| 661 | |
| 662 #define CRTSAVRES_DEFAULT_SPEC "" | |
| 663 | |
| 664 #define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s" | |
| 665 | |
| 666 /* Motorola ADS support. */ | |
| 667 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group" | |
| 668 | |
| 669 #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" | |
| 670 | |
| 671 #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s" | |
| 672 | |
| 673 #define LINK_START_ADS_SPEC "-T ads.ld%s" | |
| 674 | |
| 675 #define LINK_OS_ADS_SPEC "" | |
| 676 | |
| 677 #define CPP_OS_ADS_SPEC "" | |
| 678 | |
| 679 /* Motorola Yellowknife support. */ | |
| 680 #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group" | |
| 681 | |
| 682 #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" | |
| 683 | |
| 684 #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s" | |
| 685 | |
| 686 #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s" | |
| 687 | |
| 688 #define LINK_OS_YELLOWKNIFE_SPEC "" | |
| 689 | |
| 690 #define CPP_OS_YELLOWKNIFE_SPEC "" | |
| 691 | |
| 692 /* Motorola MVME support. */ | |
| 693 #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group" | |
| 694 | |
| 695 #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" | |
| 696 | |
| 697 #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s" | |
| 698 | |
| 699 #define LINK_START_MVME_SPEC "-Ttext 0x40000" | |
| 700 | |
| 701 #define LINK_OS_MVME_SPEC "" | |
| 702 | |
| 703 #define CPP_OS_MVME_SPEC "" | |
| 704 | |
| 705 /* PowerPC simulator based on netbsd system calls support. */ | |
| 706 #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group" | |
| 707 | |
| 708 #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s" | |
| 709 | |
| 710 #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s" | |
| 711 | |
| 712 #define LINK_START_SIM_SPEC "" | |
| 713 | |
| 714 #define LINK_OS_SIM_SPEC "-m elf32ppcsim" | |
| 715 | |
| 716 #define CPP_OS_SIM_SPEC "" | |
| 717 | |
| 718 /* FreeBSD support. */ | |
| 719 | |
| 720 #define CPP_OS_FREEBSD_SPEC "\ | |
| 721 -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \ | |
| 722 -Acpu=powerpc -Amachine=powerpc" | |
| 723 | |
| 724 #define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC | |
| 725 #define ENDFILE_FREEBSD_SPEC FBSD_ENDFILE_SPEC | |
| 726 #define LIB_FREEBSD_SPEC FBSD_LIB_SPEC | |
| 727 #define LINK_START_FREEBSD_SPEC "" | |
| 728 | |
| 729 #define LINK_OS_FREEBSD_SPEC "\ | |
|
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730 %{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \ |
| 0 | 731 %{v:-V} \ |
| 732 %{assert*} %{R*} %{rpath*} %{defsym*} \ | |
| 733 %{shared:-Bshareable %{h*} %{soname*}} \ | |
| 734 %{!shared: \ | |
| 735 %{!static: \ | |
| 736 %{rdynamic: -export-dynamic} \ | |
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737 -dynamic-linker %(fbsd_dynamic_linker) } \ |
| 0 | 738 %{static:-Bstatic}} \ |
| 739 %{symbolic:-Bsymbolic}" | |
| 740 | |
| 741 /* GNU/Linux support. */ | |
| 742 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \ | |
| 743 %{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \ | |
| 744 %{!shared: %{profile:-lc_p} %{!profile:-lc}}}" | |
| 745 | |
| 111 | 746 #if ENABLE_OFFLOADING == 1 |
| 747 #define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}" | |
| 748 #define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}" | |
| 0 | 749 #else |
| 111 | 750 #define CRTOFFLOADBEGIN "" |
| 751 #define CRTOFFLOADEND "" | |
| 0 | 752 #endif |
| 753 | |
| 111 | 754 /* STARTFILE_LINUX_SPEC should be the same as GNU_USER_TARGET_STARTFILE_SPEC |
| 755 but with the mnewlib ecrti.o%s selection substituted for crti.o%s. */ | |
| 756 #define STARTFILE_LINUX_SPEC \ | |
| 757 "%{shared:; \ | |
| 758 pg|p|profile:gcrt1.o%s; \ | |
| 759 static:crt1.o%s; \ | |
| 760 static-pie|" PIE_SPEC ":Scrt1.o%s; \ | |
| 761 :crt1.o%s} \ | |
| 762 %{mnewlib:ecrti.o%s;:crti.o%s} \ | |
| 763 %{static:crtbeginT.o%s; \ | |
| 764 shared|static-pie|" PIE_SPEC ":crtbeginS.o%s; \ | |
| 765 :crtbegin.o%s} \ | |
| 766 %{fvtable-verify=none:%s; \ | |
| 767 fvtable-verify=preinit:vtv_start_preinit.o%s; \ | |
| 768 fvtable-verify=std:vtv_start.o%s} \ | |
| 769 " CRTOFFLOADBEGIN | |
| 770 | |
| 771 /* ENDFILE_LINUX_SPEC should be the same as GNU_USER_TARGET_ENDFILE_SPEC | |
| 772 but with the mnewlib ecrtn.o%s selection substituted for crtn.o%s. */ | |
| 773 #define ENDFILE_LINUX_SPEC \ | |
| 774 "%{fvtable-verify=none:%s; \ | |
| 775 fvtable-verify=preinit:vtv_end_preinit.o%s; \ | |
| 776 fvtable-verify=std:vtv_end.o%s} \ | |
| 777 %{static:crtend.o%s; \ | |
| 778 shared|static-pie|" PIE_SPEC ":crtendS.o%s; \ | |
| 779 :crtend.o%s} \ | |
| 780 %{mnewlib:ecrtn.o%s;:crtn.o%s} \ | |
| 781 " CRTOFFLOADEND | |
| 0 | 782 |
| 783 #define LINK_START_LINUX_SPEC "" | |
| 784 | |
| 111 | 785 #define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","") |
| 786 | |
| 0 | 787 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" |
| 788 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" | |
| 111 | 789 #define MUSL_DYNAMIC_LINKER \ |
| 790 "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1" | |
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791 #if DEFAULT_LIBC == LIBC_UCLIBC |
| 111 | 792 #define CHOOSE_DYNAMIC_LINKER(G, U, M) \ |
| 793 "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" | |
| 794 #elif DEFAULT_LIBC == LIBC_MUSL | |
| 795 #define CHOOSE_DYNAMIC_LINKER(G, U, M) \ | |
| 796 "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" | |
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797 #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC |
| 111 | 798 #define CHOOSE_DYNAMIC_LINKER(G, U, M) \ |
| 799 "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" | |
| 0 | 800 #else |
|
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801 #error "Unsupported DEFAULT_LIBC" |
| 0 | 802 #endif |
| 111 | 803 #define GNU_USER_DYNAMIC_LINKER \ |
| 804 CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \ | |
| 805 MUSL_DYNAMIC_LINKER) | |
| 0 | 806 |
| 807 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \ | |
| 808 %{rdynamic:-export-dynamic} \ | |
| 111 | 809 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}" |
| 0 | 810 |
| 811 #if defined(HAVE_LD_EH_FRAME_HDR) | |
| 111 | 812 # define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} " |
| 0 | 813 #endif |
| 814 | |
| 815 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \ | |
| 816 %{!undef: \ | |
| 817 %{!ansi: \ | |
| 818 %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \ | |
| 819 %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \ | |
| 820 -Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}" | |
| 821 | |
| 822 /* NetBSD support. */ | |
| 823 #define LIB_NETBSD_SPEC "\ | |
|
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824 -lc" |
| 0 | 825 |
| 826 #define STARTFILE_NETBSD_SPEC "\ | |
| 827 ncrti.o%s crt0.o%s \ | |
| 828 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" | |
| 829 | |
| 830 #define ENDFILE_NETBSD_SPEC "\ | |
| 831 %{!shared:crtend.o%s} %{shared:crtendS.o%s} \ | |
| 832 ncrtn.o%s" | |
| 833 | |
| 834 #define LINK_START_NETBSD_SPEC "\ | |
| 835 " | |
| 836 | |
| 837 #define LINK_OS_NETBSD_SPEC "\ | |
| 838 %{!shared: %{!static: \ | |
| 839 %{rdynamic:-export-dynamic} \ | |
|
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parents:
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840 -dynamic-linker /usr/libexec/ld.elf_so}}" |
| 0 | 841 |
| 842 #define CPP_OS_NETBSD_SPEC "\ | |
| 843 -D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__" | |
| 844 | |
| 845 /* OpenBSD support. */ | |
| 846 #ifndef LIB_OPENBSD_SPEC | |
| 847 #define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}" | |
| 848 #endif | |
| 849 | |
| 850 #ifndef STARTFILE_OPENBSD_SPEC | |
| 851 #define STARTFILE_OPENBSD_SPEC "\ | |
| 852 %{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \ | |
| 853 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" | |
| 854 #endif | |
| 855 | |
| 856 #ifndef ENDFILE_OPENBSD_SPEC | |
| 857 #define ENDFILE_OPENBSD_SPEC "\ | |
| 858 %{!shared:crtend.o%s} %{shared:crtendS.o%s}" | |
| 859 #endif | |
| 860 | |
| 861 #ifndef LINK_START_OPENBSD_SPEC | |
| 862 #define LINK_START_OPENBSD_SPEC "-Ttext 0x400074" | |
| 863 #endif | |
| 864 | |
| 865 #ifndef LINK_OS_OPENBSD_SPEC | |
| 866 #define LINK_OS_OPENBSD_SPEC "" | |
| 867 #endif | |
| 868 | |
| 869 #ifndef CPP_OS_OPENBSD_SPEC | |
| 870 #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}" | |
| 871 #endif | |
| 872 | |
| 873 /* Define any extra SPECS that the compiler needs to generate. */ | |
| 874 /* Override rs6000.h definition. */ | |
| 875 #undef SUBTARGET_EXTRA_SPECS | |
| 876 #define SUBTARGET_EXTRA_SPECS \ | |
| 877 { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \ | |
| 878 { "lib_ads", LIB_ADS_SPEC }, \ | |
| 879 { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \ | |
| 880 { "lib_mvme", LIB_MVME_SPEC }, \ | |
| 881 { "lib_sim", LIB_SIM_SPEC }, \ | |
| 882 { "lib_freebsd", LIB_FREEBSD_SPEC }, \ | |
| 883 { "lib_linux", LIB_LINUX_SPEC }, \ | |
| 884 { "lib_netbsd", LIB_NETBSD_SPEC }, \ | |
| 885 { "lib_openbsd", LIB_OPENBSD_SPEC }, \ | |
| 886 { "lib_default", LIB_DEFAULT_SPEC }, \ | |
| 887 { "startfile_ads", STARTFILE_ADS_SPEC }, \ | |
| 888 { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \ | |
| 889 { "startfile_mvme", STARTFILE_MVME_SPEC }, \ | |
| 890 { "startfile_sim", STARTFILE_SIM_SPEC }, \ | |
| 891 { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \ | |
| 892 { "startfile_linux", STARTFILE_LINUX_SPEC }, \ | |
| 893 { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \ | |
| 894 { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \ | |
| 895 { "startfile_default", STARTFILE_DEFAULT_SPEC }, \ | |
| 896 { "endfile_ads", ENDFILE_ADS_SPEC }, \ | |
| 897 { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \ | |
| 898 { "endfile_mvme", ENDFILE_MVME_SPEC }, \ | |
| 899 { "endfile_sim", ENDFILE_SIM_SPEC }, \ | |
| 900 { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \ | |
| 901 { "endfile_linux", ENDFILE_LINUX_SPEC }, \ | |
| 902 { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \ | |
| 903 { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \ | |
| 904 { "endfile_default", ENDFILE_DEFAULT_SPEC }, \ | |
| 905 { "link_shlib", LINK_SHLIB_SPEC }, \ | |
| 906 { "link_start", LINK_START_SPEC }, \ | |
| 907 { "link_start_ads", LINK_START_ADS_SPEC }, \ | |
| 908 { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \ | |
| 909 { "link_start_mvme", LINK_START_MVME_SPEC }, \ | |
| 910 { "link_start_sim", LINK_START_SIM_SPEC }, \ | |
| 911 { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \ | |
| 912 { "link_start_linux", LINK_START_LINUX_SPEC }, \ | |
| 913 { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \ | |
| 914 { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \ | |
| 915 { "link_start_default", LINK_START_DEFAULT_SPEC }, \ | |
| 916 { "link_os", LINK_OS_SPEC }, \ | |
| 917 { "link_os_ads", LINK_OS_ADS_SPEC }, \ | |
| 918 { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \ | |
| 919 { "link_os_mvme", LINK_OS_MVME_SPEC }, \ | |
| 920 { "link_os_sim", LINK_OS_SIM_SPEC }, \ | |
| 921 { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \ | |
| 922 { "link_os_linux", LINK_OS_LINUX_SPEC }, \ | |
| 923 { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \ | |
| 924 { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ | |
| 925 { "link_os_default", LINK_OS_DEFAULT_SPEC }, \ | |
| 926 { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \ | |
| 111 | 927 { "link_secure_plt", LINK_SECURE_PLT_SPEC }, \ |
| 0 | 928 { "cpp_os_ads", CPP_OS_ADS_SPEC }, \ |
| 929 { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \ | |
| 930 { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \ | |
| 931 { "cpp_os_sim", CPP_OS_SIM_SPEC }, \ | |
| 932 { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \ | |
| 933 { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \ | |
| 934 { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \ | |
| 935 { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \ | |
| 936 { "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \ | |
| 937 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \ | |
| 938 SUBSUBTARGET_EXTRA_SPECS | |
| 939 | |
| 940 #define SUBSUBTARGET_EXTRA_SPECS | |
| 941 | |
| 942 /* Define this macro as a C expression for the initializer of an | |
| 943 array of string to tell the driver program which options are | |
| 944 defaults for this target and thus do not need to be handled | |
| 945 specially when using `MULTILIB_OPTIONS'. | |
| 946 | |
| 947 Do not define this macro if `MULTILIB_OPTIONS' is not defined in | |
| 948 the target makefile fragment or if none of the options listed in | |
| 949 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ | |
| 950 | |
| 951 #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" } | |
| 952 | |
| 953 /* Define this macro if the code for function profiling should come | |
| 954 before the function prologue. Normally, the profiling code comes | |
| 955 after. */ | |
| 956 #define PROFILE_BEFORE_PROLOGUE 1 | |
| 957 | |
| 958 /* Function name to call to do profiling. */ | |
| 959 #define RS6000_MCOUNT "_mcount" | |
| 960 | |
| 961 /* Select a format to encode pointers in exception handling data. CODE | |
| 962 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is | |
| 963 true if the symbol may be affected by dynamic relocations. */ | |
| 111 | 964 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \ |
| 965 (flag_pic \ | |
| 966 ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel \ | |
| 967 | DW_EH_PE_sdata4) \ | |
| 0 | 968 : DW_EH_PE_absptr) |
| 969 | |
| 970 #define DOUBLE_INT_ASM_OP "\t.quad\t" | |
| 971 | |
| 972 /* Generate entries in .fixup for relocatable addresses. */ | |
| 973 #define RELOCATABLE_NEEDS_FIXUP 1 | |
| 974 | |
|
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parents:
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975 #define TARGET_ASM_FILE_END rs6000_elf_file_end |
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parents:
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|
976 |
| 111 | 977 #undef TARGET_ASAN_SHADOW_OFFSET |
| 978 #define TARGET_ASAN_SHADOW_OFFSET rs6000_asan_shadow_offset | |
| 979 | |
| 0 | 980 /* This target uses the sysv4.opt file. */ |
| 981 #define TARGET_USES_SYSV4_OPT 1 | |
|
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982 |
| 111 | 983 /* Include order changes for musl, same as in generic linux.h. */ |
| 984 #if DEFAULT_LIBC == LIBC_MUSL | |
| 985 #define INCLUDE_DEFAULTS_MUSL_GPP \ | |
| 986 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \ | |
| 987 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \ | |
| 988 { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \ | |
| 989 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \ | |
| 990 { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \ | |
| 991 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, | |
| 992 | |
| 993 #ifdef LOCAL_INCLUDE_DIR | |
| 994 #define INCLUDE_DEFAULTS_MUSL_LOCAL \ | |
| 995 { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \ | |
| 996 { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 }, | |
| 997 #else | |
| 998 #define INCLUDE_DEFAULTS_MUSL_LOCAL | |
| 999 #endif | |
| 1000 | |
| 1001 #ifdef PREFIX_INCLUDE_DIR | |
| 1002 #define INCLUDE_DEFAULTS_MUSL_PREFIX \ | |
| 1003 { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0}, | |
| 1004 #else | |
| 1005 #define INCLUDE_DEFAULTS_MUSL_PREFIX | |
| 1006 #endif | |
| 1007 | |
| 1008 #ifdef CROSS_INCLUDE_DIR | |
| 1009 #define INCLUDE_DEFAULTS_MUSL_CROSS \ | |
| 1010 { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0}, | |
| 1011 #else | |
| 1012 #define INCLUDE_DEFAULTS_MUSL_CROSS | |
| 1013 #endif | |
| 1014 | |
| 1015 #ifdef TOOL_INCLUDE_DIR | |
| 1016 #define INCLUDE_DEFAULTS_MUSL_TOOL \ | |
| 1017 { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0}, | |
| 1018 #else | |
| 1019 #define INCLUDE_DEFAULTS_MUSL_TOOL | |
| 1020 #endif | |
| 1021 | |
| 1022 #ifdef NATIVE_SYSTEM_HEADER_DIR | |
| 1023 #define INCLUDE_DEFAULTS_MUSL_NATIVE \ | |
| 1024 { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \ | |
| 1025 { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 }, | |
| 1026 #else | |
| 1027 #define INCLUDE_DEFAULTS_MUSL_NATIVE | |
| 1028 #endif | |
| 1029 | |
| 1030 #if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT) | |
| 1031 # undef INCLUDE_DEFAULTS_MUSL_LOCAL | |
| 1032 # define INCLUDE_DEFAULTS_MUSL_LOCAL | |
| 1033 # undef INCLUDE_DEFAULTS_MUSL_NATIVE | |
| 1034 # define INCLUDE_DEFAULTS_MUSL_NATIVE | |
| 1035 #else | |
| 1036 # undef INCLUDE_DEFAULTS_MUSL_CROSS | |
| 1037 # define INCLUDE_DEFAULTS_MUSL_CROSS | |
| 1038 #endif | |
| 1039 | |
| 1040 #undef INCLUDE_DEFAULTS | |
| 1041 #define INCLUDE_DEFAULTS \ | |
| 1042 { \ | |
| 1043 INCLUDE_DEFAULTS_MUSL_GPP \ | |
| 1044 INCLUDE_DEFAULTS_MUSL_LOCAL \ | |
| 1045 INCLUDE_DEFAULTS_MUSL_PREFIX \ | |
| 1046 INCLUDE_DEFAULTS_MUSL_CROSS \ | |
| 1047 INCLUDE_DEFAULTS_MUSL_TOOL \ | |
| 1048 INCLUDE_DEFAULTS_MUSL_NATIVE \ | |
| 1049 { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \ | |
| 1050 { 0, 0, 0, 0, 0, 0 } \ | |
| 1051 } | |
| 1052 #endif |