Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/elfos.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 /* elfos.h -- operating system specific defines to be used when |
| 2 targeting GCC for some generic ELF system | |
| 131 | 3 Copyright (C) 1991-2018 Free Software Foundation, Inc. |
| 0 | 4 Based on svr4.h contributed by Ron Guilmette (rfg@netcom.com). |
| 5 | |
| 6 This file is part of GCC. | |
| 7 | |
| 8 GCC is free software; you can redistribute it and/or modify | |
| 9 it under the terms of the GNU General Public License as published by | |
| 10 the Free Software Foundation; either version 3, or (at your option) | |
| 11 any later version. | |
| 12 | |
| 13 GCC is distributed in the hope that it will be useful, | |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 GNU General Public License for more details. | |
| 17 | |
| 18 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 #define TARGET_OBJFMT_CPP_BUILTINS() \ | |
| 28 do \ | |
| 29 { \ | |
| 30 builtin_define ("__ELF__"); \ | |
| 31 } \ | |
| 32 while (0) | |
| 33 | |
| 34 /* Define a symbol indicating that we are using elfos.h. | |
| 35 Some CPU specific configuration files use this. */ | |
| 36 #define USING_ELFOS_H | |
| 37 | |
| 38 /* The prefix to add to user-visible assembler symbols. | |
| 39 | |
| 40 For ELF systems the convention is *not* to prepend a leading | |
| 41 underscore onto user-level symbol names. */ | |
| 42 | |
| 43 #undef USER_LABEL_PREFIX | |
| 44 #define USER_LABEL_PREFIX "" | |
| 45 | |
| 46 /* The biggest alignment supported by ELF in bits. 32-bit ELF | |
| 47 supports section alignment up to (0x80000000 * 8), while | |
| 48 64-bit ELF supports (0x8000000000000000 * 8). If this macro | |
| 49 is not defined, the default is the largest alignment supported | |
| 50 by 32-bit ELF and representable on a 32-bit host. Use this | |
| 51 macro to limit the alignment which can be specified using | |
| 52 the `__attribute__ ((aligned (N)))' construct. */ | |
| 53 #ifndef MAX_OFILE_ALIGNMENT | |
| 54 #define MAX_OFILE_ALIGNMENT (((unsigned int) 1 << 28) * 8) | |
| 55 #endif | |
| 56 | |
| 57 /* Use periods rather than dollar signs in special g++ assembler names. */ | |
| 58 | |
| 59 #define NO_DOLLAR_IN_LABEL | |
| 60 | |
| 61 /* Writing `int' for a bit-field forces int alignment for the structure. */ | |
| 62 | |
| 63 #ifndef PCC_BITFIELD_TYPE_MATTERS | |
| 64 #define PCC_BITFIELD_TYPE_MATTERS 1 | |
| 65 #endif | |
| 66 | |
| 67 /* All ELF targets can support DWARF-2. */ | |
| 68 | |
| 69 #define DWARF2_DEBUGGING_INFO 1 | |
| 70 | |
| 71 /* The GNU tools operate better with dwarf2, and it is required by some | |
| 72 psABI's. Since we don't have any native tools to be compatible with, | |
| 73 default to dwarf2. */ | |
| 74 | |
| 75 #ifndef PREFERRED_DEBUGGING_TYPE | |
| 76 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG | |
| 77 #endif | |
| 78 | |
| 79 /* All SVR4 targets use the ELF object file format. */ | |
| 80 #define OBJECT_FORMAT_ELF | |
| 81 | |
| 82 | |
| 83 /* Output #ident as a .ident. */ | |
| 84 | |
| 111 | 85 #undef TARGET_ASM_OUTPUT_IDENT |
| 86 #define TARGET_ASM_OUTPUT_IDENT default_asm_output_ident_directive | |
| 0 | 87 |
| 88 #undef SET_ASM_OP | |
| 89 #define SET_ASM_OP "\t.set\t" | |
| 90 | |
| 91 /* Most svr4 assemblers want a .file directive at the beginning of | |
| 92 their input file. */ | |
| 93 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true | |
| 94 | |
| 95 /* This is how to allocate empty space in some section. The .zero | |
| 96 pseudo-op is used for this on most svr4 assemblers. */ | |
| 97 | |
| 98 #define SKIP_ASM_OP "\t.zero\t" | |
| 99 | |
| 100 #undef ASM_OUTPUT_SKIP | |
| 101 #define ASM_OUTPUT_SKIP(FILE, SIZE) \ | |
| 111 | 102 fprintf ((FILE), "%s" HOST_WIDE_INT_PRINT_UNSIGNED "\n",\ |
| 0 | 103 SKIP_ASM_OP, (SIZE)) |
| 104 | |
| 105 /* This is how to store into the string LABEL | |
| 106 the symbol_ref name of an internal numbered label where | |
| 107 PREFIX is the class of label and NUM is the number within the class. | |
| 108 This is suitable for output with `assemble_name'. | |
| 109 | |
| 110 For most svr4 systems, the convention is that any symbol which begins | |
| 111 with a period is not put into the linker symbol table by the assembler. */ | |
| 112 | |
| 113 #undef ASM_GENERATE_INTERNAL_LABEL | |
| 114 #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \ | |
| 115 do \ | |
| 116 { \ | |
| 111 | 117 char *__p; \ |
| 118 (LABEL)[0] = '*'; \ | |
| 119 (LABEL)[1] = '.'; \ | |
| 120 __p = stpcpy (&(LABEL)[2], PREFIX); \ | |
| 121 sprint_ul (__p, (unsigned long) (NUM)); \ | |
| 0 | 122 } \ |
| 123 while (0) | |
| 124 | |
| 125 /* Output the label which precedes a jumptable. Note that for all svr4 | |
| 126 systems where we actually generate jumptables (which is to say every | |
| 127 svr4 target except i386, where we use casesi instead) we put the jump- | |
| 128 tables into the .rodata section and since other stuff could have been | |
| 129 put into the .rodata section prior to any given jumptable, we have to | |
| 130 make sure that the location counter for the .rodata section gets pro- | |
| 131 perly re-aligned prior to the actual beginning of the jump table. */ | |
| 132 | |
| 133 #undef ALIGN_ASM_OP | |
| 134 #define ALIGN_ASM_OP "\t.align\t" | |
| 135 | |
| 136 #ifndef ASM_OUTPUT_BEFORE_CASE_LABEL | |
| 137 #define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) \ | |
| 131 | 138 ASM_OUTPUT_ALIGN ((FILE), 2) |
| 0 | 139 #endif |
| 140 | |
| 141 #undef ASM_OUTPUT_CASE_LABEL | |
| 142 #define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \ | |
| 143 do \ | |
| 144 { \ | |
| 131 | 145 ASM_OUTPUT_BEFORE_CASE_LABEL (FILE, PREFIX, NUM, JUMPTABLE); \ |
| 146 (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM); \ | |
| 0 | 147 } \ |
| 148 while (0) | |
| 149 | |
| 150 /* The standard SVR4 assembler seems to require that certain builtin | |
| 151 library routines (e.g. .udiv) be explicitly declared as .globl | |
| 152 in each assembly file where they are referenced. */ | |
| 153 | |
| 154 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ | |
| 155 (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)) | |
| 156 | |
| 157 /* This says how to output assembler code to declare an | |
| 158 uninitialized external linkage data object. Under SVR4, | |
| 159 the linker seems to want the alignment of data objects | |
| 160 to depend on their types. We do exactly that here. */ | |
| 161 | |
| 162 #define COMMON_ASM_OP "\t.comm\t" | |
| 163 | |
| 164 #undef ASM_OUTPUT_ALIGNED_COMMON | |
| 165 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ | |
| 166 do \ | |
| 167 { \ | |
| 168 fprintf ((FILE), "%s", COMMON_ASM_OP); \ | |
| 169 assemble_name ((FILE), (NAME)); \ | |
| 111 | 170 fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED ",%u\n", \ |
| 0 | 171 (SIZE), (ALIGN) / BITS_PER_UNIT); \ |
| 172 } \ | |
| 173 while (0) | |
| 174 | |
| 175 /* This says how to output assembler code to declare an | |
| 176 uninitialized internal linkage data object. Under SVR4, | |
| 177 the linker seems to want the alignment of data objects | |
| 178 to depend on their types. We do exactly that here. */ | |
| 179 | |
| 180 #define LOCAL_ASM_OP "\t.local\t" | |
| 181 | |
| 182 #undef ASM_OUTPUT_ALIGNED_LOCAL | |
| 183 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ | |
| 184 do \ | |
| 185 { \ | |
| 186 fprintf ((FILE), "%s", LOCAL_ASM_OP); \ | |
| 187 assemble_name ((FILE), (NAME)); \ | |
| 188 fprintf ((FILE), "\n"); \ | |
| 189 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ | |
| 190 } \ | |
| 191 while (0) | |
| 192 | |
| 193 /* This is the pseudo-op used to generate a contiguous sequence of byte | |
| 194 values from a double-quoted string WITHOUT HAVING A TERMINATING NUL | |
| 195 AUTOMATICALLY APPENDED. This is the same for most svr4 assemblers. */ | |
| 196 | |
| 197 #undef ASCII_DATA_ASM_OP | |
| 198 #define ASCII_DATA_ASM_OP "\t.ascii\t" | |
| 199 | |
| 200 /* Support a read-only data section. */ | |
| 201 #define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata" | |
| 202 | |
| 203 /* On svr4, we *do* have support for the .init and .fini sections, and we | |
| 204 can put stuff in there to be executed before and after `main'. We let | |
| 205 crtstuff.c and other files know this by defining the following symbols. | |
| 206 The definitions say how to change sections to the .init and .fini | |
| 207 sections. This is the same for all known svr4 assemblers. */ | |
| 208 | |
| 209 #define INIT_SECTION_ASM_OP "\t.section\t.init" | |
| 210 #define FINI_SECTION_ASM_OP "\t.section\t.fini" | |
| 211 | |
| 212 /* Output assembly directive to move to the beginning of current section. */ | |
| 213 #ifdef HAVE_GAS_SUBSECTION_ORDERING | |
| 214 # define ASM_SECTION_START_OP "\t.subsection\t-1" | |
| 215 # define ASM_OUTPUT_SECTION_START(FILE) \ | |
| 216 fprintf ((FILE), "%s\n", ASM_SECTION_START_OP) | |
| 217 #endif | |
| 218 | |
| 219 #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1) | |
| 220 | |
| 221 /* Switch into a generic section. */ | |
| 222 #define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section | |
| 223 | |
| 224 #undef TARGET_ASM_SELECT_RTX_SECTION | |
| 225 #define TARGET_ASM_SELECT_RTX_SECTION default_elf_select_rtx_section | |
| 226 #undef TARGET_ASM_SELECT_SECTION | |
| 227 #define TARGET_ASM_SELECT_SECTION default_elf_select_section | |
| 228 #undef TARGET_HAVE_SWITCHABLE_BSS_SECTIONS | |
| 229 #define TARGET_HAVE_SWITCHABLE_BSS_SECTIONS true | |
| 230 | |
| 231 /* Define the strings used for the special svr4 .type and .size directives. | |
| 232 These strings generally do not vary from one system running svr4 to | |
| 233 another, but if a given system (e.g. m88k running svr) needs to use | |
| 234 different pseudo-op names for these, they may be overridden in the | |
| 235 file which includes this one. */ | |
| 236 | |
| 237 #define TYPE_ASM_OP "\t.type\t" | |
| 238 #define SIZE_ASM_OP "\t.size\t" | |
| 239 | |
| 240 /* This is how we tell the assembler that a symbol is weak. */ | |
| 241 | |
| 242 #define ASM_WEAKEN_LABEL(FILE, NAME) \ | |
| 243 do \ | |
| 244 { \ | |
| 245 fputs ("\t.weak\t", (FILE)); \ | |
| 246 assemble_name ((FILE), (NAME)); \ | |
| 247 fputc ('\n', (FILE)); \ | |
| 248 } \ | |
| 249 while (0) | |
| 250 | |
| 251 /* The following macro defines the format used to output the second | |
| 252 operand of the .type assembler directive. Different svr4 assemblers | |
| 253 expect various different forms for this operand. The one given here | |
| 254 is just a default. You may need to override it in your machine- | |
| 255 specific tm.h file (depending upon the particulars of your assembler). */ | |
| 256 | |
| 257 #define TYPE_OPERAND_FMT "@%s" | |
| 258 | |
| 259 /* Write the extra assembler code needed to declare a function's result. | |
| 260 Most svr4 assemblers don't require any special declaration of the | |
| 261 result value, but there are exceptions. */ | |
| 262 | |
| 263 #ifndef ASM_DECLARE_RESULT | |
| 264 #define ASM_DECLARE_RESULT(FILE, RESULT) | |
| 265 #endif | |
| 266 | |
| 267 /* These macros generate the special .type and .size directives which | |
| 268 are used to set the corresponding fields of the linker symbol table | |
| 269 entries in an ELF object file under SVR4. These macros also output | |
| 270 the starting labels for the relevant functions/objects. */ | |
| 271 | |
| 272 /* Write the extra assembler code needed to declare a function properly. | |
| 273 Some svr4 assemblers need to also have something extra said about the | |
| 274 function's return value. We allow for that here. */ | |
| 275 | |
| 276 #ifndef ASM_DECLARE_FUNCTION_NAME | |
| 277 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ | |
| 278 do \ | |
| 279 { \ | |
| 280 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \ | |
| 281 ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ | |
|
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282 ASM_OUTPUT_FUNCTION_LABEL (FILE, NAME, DECL); \ |
| 0 | 283 } \ |
| 284 while (0) | |
| 285 #endif | |
| 286 | |
| 111 | 287 /* Write the extra assembler code needed to declare the name of a |
| 288 cold function partition properly. Some svr4 assemblers need to also | |
| 289 have something extra said about the function's return value. We | |
| 290 allow for that here. */ | |
| 291 | |
| 292 #ifndef ASM_DECLARE_COLD_FUNCTION_NAME | |
| 293 #define ASM_DECLARE_COLD_FUNCTION_NAME(FILE, NAME, DECL) \ | |
| 294 do \ | |
| 295 { \ | |
| 296 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \ | |
| 297 ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ | |
| 298 ASM_OUTPUT_FUNCTION_LABEL (FILE, NAME, DECL); \ | |
| 299 } \ | |
| 300 while (0) | |
| 301 #endif | |
| 302 | |
| 0 | 303 /* Write the extra assembler code needed to declare an object properly. */ |
| 304 | |
|
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305 #ifdef HAVE_GAS_GNU_UNIQUE_OBJECT |
| 111 | 306 #define USE_GNU_UNIQUE_OBJECT flag_gnu_unique |
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307 #else |
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308 #define USE_GNU_UNIQUE_OBJECT 0 |
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309 #endif |
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310 |
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311 #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ |
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312 do \ |
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313 { \ |
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314 HOST_WIDE_INT size; \ |
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315 \ |
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316 /* For template static data member instantiations or \ |
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317 inline fn local statics and their guard variables, use \ |
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318 gnu_unique_object so that they will be combined even under \ |
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319 RTLD_LOCAL. Don't use gnu_unique_object for typeinfo, \ |
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320 vtables and other read-only artificial decls. */ \ |
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321 if (USE_GNU_UNIQUE_OBJECT && DECL_ONE_ONLY (DECL) \ |
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322 && (!DECL_ARTIFICIAL (DECL) || !TREE_READONLY (DECL))) \ |
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323 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "gnu_unique_object"); \ |
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324 else \ |
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325 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ |
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326 \ |
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327 size_directive_output = 0; \ |
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328 if (!flag_inhibit_size_directive \ |
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329 && (DECL) && DECL_SIZE (DECL)) \ |
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330 { \ |
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331 size_directive_output = 1; \ |
| 111 | 332 size = tree_to_uhwi (DECL_SIZE_UNIT (DECL)); \ |
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333 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \ |
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334 } \ |
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335 \ |
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336 ASM_OUTPUT_LABEL (FILE, NAME); \ |
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337 } \ |
| 0 | 338 while (0) |
| 339 | |
| 340 /* Output the size directive for a decl in rest_of_decl_compilation | |
| 341 in the case where we did not do so before the initializer. | |
| 342 Once we find the error_mark_node, we know that the value of | |
| 343 size_directive_output was set | |
| 344 by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */ | |
| 345 | |
| 346 #undef ASM_FINISH_DECLARE_OBJECT | |
| 347 #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)\ | |
| 348 do \ | |
| 349 { \ | |
| 350 const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ | |
| 351 HOST_WIDE_INT size; \ | |
| 352 \ | |
| 353 if (!flag_inhibit_size_directive \ | |
| 354 && DECL_SIZE (DECL) \ | |
| 355 && ! AT_END && TOP_LEVEL \ | |
| 356 && DECL_INITIAL (DECL) == error_mark_node \ | |
| 357 && !size_directive_output) \ | |
| 358 { \ | |
| 359 size_directive_output = 1; \ | |
| 111 | 360 size = tree_to_uhwi (DECL_SIZE_UNIT (DECL)); \ |
| 0 | 361 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, name, size); \ |
| 362 } \ | |
| 363 } \ | |
| 364 while (0) | |
| 365 | |
| 366 /* This is how to declare the size of a function. */ | |
| 367 #ifndef ASM_DECLARE_FUNCTION_SIZE | |
| 368 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ | |
| 369 do \ | |
| 370 { \ | |
| 371 if (!flag_inhibit_size_directive) \ | |
| 372 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ | |
| 373 } \ | |
| 374 while (0) | |
| 375 #endif | |
| 376 | |
| 111 | 377 /* This is how to declare the size of a cold function partition. */ |
| 378 #ifndef ASM_DECLARE_COLD_FUNCTION_SIZE | |
| 379 #define ASM_DECLARE_COLD_FUNCTION_SIZE(FILE, FNAME, DECL) \ | |
| 380 do \ | |
| 381 { \ | |
| 382 if (!flag_inhibit_size_directive) \ | |
| 383 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ | |
| 384 } \ | |
| 385 while (0) | |
| 386 #endif | |
| 387 | |
| 0 | 388 /* A table of bytes codes used by the ASM_OUTPUT_ASCII and |
| 389 ASM_OUTPUT_LIMITED_STRING macros. Each byte in the table | |
| 390 corresponds to a particular byte value [0..255]. For any | |
| 391 given byte value, if the value in the corresponding table | |
| 392 position is zero, the given character can be output directly. | |
| 393 If the table value is 1, the byte must be output as a \ooo | |
| 394 octal escape. If the tables value is anything else, then the | |
| 395 byte value should be output as a \ followed by the value | |
| 396 in the table. Note that we can use standard UN*X escape | |
| 397 sequences for many control characters, but we don't use | |
| 398 \a to represent BEL because some svr4 assemblers (e.g. on | |
| 399 the i386) don't know about that. Also, we don't use \v | |
| 400 since some versions of gas, such as 2.2 did not accept it. */ | |
| 401 | |
| 111 | 402 #define ELF_ASCII_ESCAPES \ |
| 0 | 403 "\1\1\1\1\1\1\1\1btn\1fr\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\ |
| 404 \0\0\"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ | |
| 405 \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\\\0\0\0\ | |
| 406 \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\ | |
| 407 \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\ | |
| 408 \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\ | |
| 409 \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\ | |
| 410 \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1" | |
| 411 | |
| 412 /* Some svr4 assemblers have a limit on the number of characters which | |
| 413 can appear in the operand of a .string directive. If your assembler | |
| 414 has such a limitation, you should define STRING_LIMIT to reflect that | |
| 415 limit. Note that at least some svr4 assemblers have a limit on the | |
| 416 actual number of bytes in the double-quoted string, and that they | |
| 417 count each character in an escape sequence as one byte. Thus, an | |
| 418 escape sequence like \377 would count as four bytes. | |
| 419 | |
| 420 If your target assembler doesn't support the .string directive, you | |
| 421 should define this to zero. | |
| 422 */ | |
| 423 | |
| 111 | 424 #define ELF_STRING_LIMIT ((unsigned) 256) |
| 0 | 425 |
| 426 #define STRING_ASM_OP "\t.string\t" | |
| 427 | |
| 428 /* The routine used to output NUL terminated strings. We use a special | |
| 429 version of this for most svr4 targets because doing so makes the | |
| 430 generated assembly code more compact (and thus faster to assemble) | |
| 431 as well as more readable, especially for targets like the i386 | |
| 432 (where the only alternative is to output character sequences as | |
| 433 comma separated lists of numbers). */ | |
| 434 | |
| 435 #define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \ | |
| 111 | 436 default_elf_asm_output_limited_string ((FILE), (STR)) |
| 0 | 437 |
| 438 /* The routine used to output sequences of byte values. We use a special | |
| 439 version of this for most svr4 targets because doing so makes the | |
| 440 generated assembly code more compact (and thus faster to assemble) | |
| 441 as well as more readable. Note that if we find subparts of the | |
| 442 character sequence which end with NUL (and which are shorter than | |
| 443 STRING_LIMIT) we output those using ASM_OUTPUT_LIMITED_STRING. */ | |
| 444 | |
| 445 #undef ASM_OUTPUT_ASCII | |
| 111 | 446 #define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \ |
| 131 | 447 default_elf_asm_output_ascii ((FILE), (STR), (LENGTH)) |
| 0 | 448 |
| 449 /* Allow the use of the -frecord-gcc-switches switch via the | |
| 450 elf_record_gcc_switches function defined in varasm.c. */ | |
| 451 #undef TARGET_ASM_RECORD_GCC_SWITCHES | |
| 452 #define TARGET_ASM_RECORD_GCC_SWITCHES elf_record_gcc_switches | |
| 453 | |
| 454 /* A C statement (sans semicolon) to output to the stdio stream STREAM | |
| 455 any text necessary for declaring the name of an external symbol | |
| 456 named NAME which is referenced in this compilation but not defined. | |
| 457 It is needed to properly support non-default visibility. */ | |
| 458 | |
| 459 #ifndef ASM_OUTPUT_EXTERNAL | |
| 460 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \ | |
| 461 default_elf_asm_output_external (FILE, DECL, NAME) | |
| 462 #endif | |
| 111 | 463 |
| 464 #undef TARGET_LIBC_HAS_FUNCTION | |
| 465 #define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function |