Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/i386/cygming.h @ 47:3bfb6c00c1e0
update it from 4.4.2 to 4.4.3.
| author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 07 Feb 2010 17:44:34 +0900 |
| parents | 58ad6c70ea60 |
| children | 77e2b8dfacca |
| rev | line source |
|---|---|
| 0 | 1 /* Operating system specific defines to be used when targeting GCC for |
| 2 hosting on Windows32, using a Unix style C library and tools. | |
| 3 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, | |
| 4 2004, 2005, 2007, 2008, 2009 | |
| 5 Free Software Foundation, Inc. | |
| 6 | |
| 7 This file is part of GCC. | |
| 8 | |
| 9 GCC is free software; you can redistribute it and/or modify | |
| 10 it under the terms of the GNU General Public License as published by | |
| 11 the Free Software Foundation; either version 3, or (at your option) | |
| 12 any later version. | |
| 13 | |
| 14 GCC is distributed in the hope that it will be useful, | |
| 15 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 GNU General Public License for more details. | |
| 18 | |
| 19 You should have received a copy of the GNU General Public License | |
| 20 along with GCC; see the file COPYING3. If not see | |
| 21 <http://www.gnu.org/licenses/>. */ | |
| 22 | |
| 23 #define DBX_DEBUGGING_INFO 1 | |
| 24 #define SDB_DEBUGGING_INFO 1 | |
| 25 #if TARGET_64BIT_DEFAULT || defined (HAVE_GAS_PE_SECREL32_RELOC) | |
| 26 #define DWARF2_DEBUGGING_INFO 1 | |
| 27 #endif | |
| 28 | |
| 29 #undef PREFERRED_DEBUGGING_TYPE | |
| 30 #if (DWARF2_DEBUGGING_INFO) | |
| 31 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG | |
| 32 #else | |
| 33 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG | |
| 34 #endif | |
| 35 | |
| 36 #undef TARGET_64BIT_MS_ABI | |
| 37 #define TARGET_64BIT_MS_ABI (!cfun ? DEFAULT_ABI == MS_ABI : TARGET_64BIT && cfun->machine->call_abi == MS_ABI) | |
| 38 | |
| 39 #undef DEFAULT_ABI | |
| 40 #define DEFAULT_ABI (TARGET_64BIT ? MS_ABI : SYSV_ABI) | |
| 41 | |
| 42 #undef DBX_REGISTER_NUMBER | |
| 43 #define DBX_REGISTER_NUMBER(n) \ | |
| 44 (TARGET_64BIT ? dbx64_register_map[n] \ | |
| 45 : (write_symbols == DWARF2_DEBUG \ | |
| 46 ? svr4_dbx_register_map[n] : dbx_register_map[n])) | |
| 47 | |
| 48 /* Map gcc register number to DWARF 2 CFA column number. For 32 bit | |
| 49 target, always use the svr4_dbx_register_map for DWARF .eh_frame | |
| 50 even if we don't use DWARF .debug_frame. */ | |
| 51 #undef DWARF_FRAME_REGNUM | |
|
47
3bfb6c00c1e0
update it from 4.4.2 to 4.4.3.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
19
diff
changeset
|
52 #define DWARF_FRAME_REGNUM(n) \ |
|
3bfb6c00c1e0
update it from 4.4.2 to 4.4.3.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
19
diff
changeset
|
53 (TARGET_64BIT ? dbx64_register_map[(n)] \ |
|
3bfb6c00c1e0
update it from 4.4.2 to 4.4.3.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
19
diff
changeset
|
54 : svr4_dbx_register_map[(n)]) |
| 0 | 55 |
| 56 #ifdef HAVE_GAS_PE_SECREL32_RELOC | |
| 57 /* Use section relative relocations for debugging offsets. Unlike | |
| 58 other targets that fake this by putting the section VMA at 0, PE | |
| 59 won't allow it. */ | |
| 60 #define ASM_OUTPUT_DWARF_OFFSET(FILE, SIZE, LABEL, SECTION) \ | |
| 61 do { \ | |
| 62 if (SIZE != 4 && (!TARGET_64BIT || SIZE != 8)) \ | |
| 63 abort (); \ | |
| 64 \ | |
| 65 fputs ("\t.secrel32\t", FILE); \ | |
| 66 assemble_name (FILE, LABEL); \ | |
| 67 } while (0) | |
| 68 #endif | |
| 69 | |
| 70 #define TARGET_EXECUTABLE_SUFFIX ".exe" | |
| 71 | |
| 72 #include <stdio.h> | |
| 73 | |
| 74 #define TARGET_OS_CPP_BUILTINS() \ | |
| 75 do \ | |
| 76 { \ | |
|
19
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
77 if (!TARGET_64BIT) \ |
|
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
78 builtin_define ("_X86_=1"); \ |
| 0 | 79 builtin_assert ("system=winnt"); \ |
| 80 builtin_define ("__stdcall=__attribute__((__stdcall__))"); \ | |
| 81 builtin_define ("__fastcall=__attribute__((__fastcall__))"); \ | |
| 82 builtin_define ("__cdecl=__attribute__((__cdecl__))"); \ | |
| 83 if (!flag_iso) \ | |
| 84 { \ | |
| 85 builtin_define ("_stdcall=__attribute__((__stdcall__))"); \ | |
| 86 builtin_define ("_fastcall=__attribute__((__fastcall__))"); \ | |
| 87 builtin_define ("_cdecl=__attribute__((__cdecl__))"); \ | |
| 88 } \ | |
| 89 /* Even though linkonce works with static libs, this is needed \ | |
| 90 to compare typeinfo symbols across dll boundaries. */ \ | |
| 91 builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \ | |
| 92 builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \ | |
| 93 EXTRA_OS_CPP_BUILTINS (); \ | |
| 94 } \ | |
| 95 while (0) | |
| 96 | |
| 97 /* Get tree.c to declare a target-specific specialization of | |
| 98 merge_decl_attributes. */ | |
| 99 #define TARGET_DLLIMPORT_DECL_ATTRIBUTES 1 | |
| 100 | |
| 101 /* This macro defines names of additional specifications to put in the specs | |
| 102 that can be used in various specifications like CC1_SPEC. Its definition | |
| 103 is an initializer with a subgrouping for each command option. | |
| 104 | |
| 105 Each subgrouping contains a string constant, that defines the | |
| 106 specification name, and a string constant that used by the GCC driver | |
| 107 program. | |
| 108 | |
| 109 Do not define this macro if it does not need to do anything. */ | |
| 110 | |
| 111 #undef SUBTARGET_EXTRA_SPECS | |
| 112 #define SUBTARGET_EXTRA_SPECS \ | |
| 113 { "mingw_include_path", DEFAULT_TARGET_MACHINE } | |
| 114 | |
| 115 #undef MATH_LIBRARY | |
| 116 #define MATH_LIBRARY "" | |
| 117 | |
| 118 #define SIZE_TYPE (TARGET_64BIT ? "long long unsigned int" : "unsigned int") | |
| 119 #define PTRDIFF_TYPE (TARGET_64BIT ? "long long int" : "int") | |
| 120 | |
| 121 #define WCHAR_TYPE_SIZE 16 | |
| 122 #define WCHAR_TYPE "short unsigned int" | |
| 123 | |
| 124 /* Windows64 continues to use a 32-bit long type. */ | |
| 125 #undef LONG_TYPE_SIZE | |
| 126 #define LONG_TYPE_SIZE 32 | |
| 127 | |
| 128 /* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop). */ | |
| 129 #define HANDLE_PRAGMA_PACK_PUSH_POP 1 | |
| 130 | |
| 131 union tree_node; | |
| 132 #define TREE union tree_node * | |
| 133 | |
| 134 #define drectve_section() \ | |
| 135 (fprintf (asm_out_file, "\t.section .drectve\n"), \ | |
| 136 in_section = NULL) | |
| 137 | |
| 138 /* Older versions of gas don't handle 'r' as data. | |
| 139 Explicitly set data flag with 'd'. */ | |
| 140 #define READONLY_DATA_SECTION_ASM_OP "\t.section .rdata,\"dr\"" | |
| 141 | |
| 142 /* Don't allow flag_pic to propagate since gas may produce invalid code | |
| 143 otherwise. */ | |
| 144 | |
| 145 #undef SUBTARGET_OVERRIDE_OPTIONS | |
| 146 #define SUBTARGET_OVERRIDE_OPTIONS \ | |
| 147 do { \ | |
| 148 if (flag_pic) \ | |
| 149 { \ | |
| 150 warning (0, "-f%s ignored for target (all code is position independent)",\ | |
| 151 (flag_pic > 1) ? "PIC" : "pic"); \ | |
| 152 flag_pic = 0; \ | |
| 153 } \ | |
| 154 } while (0) \ | |
| 155 | |
| 156 /* Define this macro if references to a symbol must be treated | |
| 157 differently depending on something about the variable or | |
| 158 function named by the symbol (such as what section it is in). | |
| 159 | |
| 160 On i386 running Windows NT, modify the assembler name with a suffix | |
| 161 consisting of an atsign (@) followed by string of digits that represents | |
| 162 the number of bytes of arguments passed to the function, if it has the | |
| 163 attribute STDCALL. | |
| 164 | |
| 165 In addition, we must mark dll symbols specially. Definitions of | |
| 166 dllexport'd objects install some info in the .drectve section. | |
| 167 References to dllimport'd objects are fetched indirectly via | |
| 168 _imp__. If both are declared, dllexport overrides. This is also | |
| 169 needed to implement one-only vtables: they go into their own | |
| 170 section and we need to set DECL_SECTION_NAME so we do that here. | |
| 171 Note that we can be called twice on the same decl. */ | |
| 172 | |
| 173 #define SUBTARGET_ENCODE_SECTION_INFO i386_pe_encode_section_info | |
| 174 | |
| 175 /* Output a common block. */ | |
| 176 #undef ASM_OUTPUT_ALIGNED_DECL_COMMON | |
| 177 #define ASM_OUTPUT_ALIGNED_DECL_COMMON \ | |
| 178 i386_pe_asm_output_aligned_decl_common | |
| 179 | |
| 180 /* Output the label for an initialized variable. */ | |
| 181 #undef ASM_DECLARE_OBJECT_NAME | |
| 182 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \ | |
| 183 do { \ | |
| 184 i386_pe_maybe_record_exported_symbol (DECL, NAME, 1); \ | |
| 185 ASM_OUTPUT_LABEL ((STREAM), (NAME)); \ | |
| 186 } while (0) | |
| 187 | |
| 188 /* Output a reference to a label. Fastcall function symbols | |
| 189 keep their '@' prefix, while other symbols are prefixed | |
| 190 with user_label_prefix. */ | |
| 191 #undef ASM_OUTPUT_LABELREF | |
| 192 #define ASM_OUTPUT_LABELREF(STREAM, NAME) \ | |
| 193 do { \ | |
| 194 if ((NAME)[0] != FASTCALL_PREFIX) \ | |
| 195 fputs (user_label_prefix, (STREAM)); \ | |
| 196 fputs ((NAME), (STREAM)); \ | |
| 197 } while (0) | |
| 198 | |
| 199 | |
| 200 /* Emit code to check the stack when allocating more than 4000 | |
| 201 bytes in one go. */ | |
| 202 #define CHECK_STACK_LIMIT 4000 | |
| 203 | |
| 204 #undef STACK_BOUNDARY | |
| 205 #define STACK_BOUNDARY (DEFAULT_ABI == MS_ABI ? 128 : BITS_PER_WORD) | |
| 206 | |
| 207 /* By default, target has a 80387, uses IEEE compatible arithmetic, | |
| 208 returns float values in the 387 and needs stack probes. | |
| 209 We also align doubles to 64-bits for MSVC default compatibility. */ | |
| 210 | |
| 211 #undef TARGET_SUBTARGET_DEFAULT | |
| 212 #define TARGET_SUBTARGET_DEFAULT \ | |
| 213 (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS \ | |
| 214 | MASK_STACK_PROBE | MASK_ALIGN_DOUBLE) | |
| 215 | |
| 216 #undef TARGET_SUBTARGET64_DEFAULT | |
| 217 #define TARGET_SUBTARGET64_DEFAULT \ | |
| 218 MASK_128BIT_LONG_DOUBLE | |
| 219 | |
| 220 /* This is how to output an assembler line | |
| 221 that says to advance the location counter | |
| 222 to a multiple of 2**LOG bytes. */ | |
| 223 | |
| 224 #undef ASM_OUTPUT_ALIGN | |
| 225 #define ASM_OUTPUT_ALIGN(FILE,LOG) \ | |
| 226 if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG)) | |
| 227 | |
| 228 /* Windows uses explicit import from shared libraries. */ | |
| 229 #define MULTIPLE_SYMBOL_SPACES 1 | |
| 230 | |
| 231 #define TARGET_ASM_UNIQUE_SECTION i386_pe_unique_section | |
| 232 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_no_function_rodata_section | |
| 233 | |
| 234 #define SUPPORTS_ONE_ONLY 1 | |
| 235 | |
| 236 /* Switch into a generic section. */ | |
| 237 #define TARGET_ASM_NAMED_SECTION i386_pe_asm_named_section | |
| 238 | |
| 239 /* Select attributes for named sections. */ | |
| 240 #define TARGET_SECTION_TYPE_FLAGS i386_pe_section_type_flags | |
| 241 | |
| 242 /* Write the extra assembler code needed to declare a function | |
| 243 properly. If we are generating SDB debugging information, this | |
| 244 will happen automatically, so we only need to handle other cases. */ | |
| 245 #undef ASM_DECLARE_FUNCTION_NAME | |
| 246 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ | |
| 247 do \ | |
| 248 { \ | |
| 249 i386_pe_maybe_record_exported_symbol (DECL, NAME, 0); \ | |
| 250 if (write_symbols != SDB_DEBUG) \ | |
| 251 i386_pe_declare_function_type (FILE, NAME, TREE_PUBLIC (DECL)); \ | |
| 252 ASM_OUTPUT_LABEL (FILE, NAME); \ | |
| 253 } \ | |
| 254 while (0) | |
| 255 | |
| 256 /* Add an external function to the list of functions to be declared at | |
| 257 the end of the file. */ | |
| 258 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \ | |
| 259 do \ | |
| 260 { \ | |
| 261 if (TREE_CODE (DECL) == FUNCTION_DECL) \ | |
| 262 i386_pe_record_external_function ((DECL), (NAME)); \ | |
| 263 } \ | |
| 264 while (0) | |
| 265 | |
| 266 /* Declare the type properly for any external libcall. */ | |
| 267 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ | |
| 268 i386_pe_declare_function_type (FILE, XSTR (FUN, 0), 1) | |
| 269 | |
| 270 /* This says out to put a global symbol in the BSS section. */ | |
| 271 #undef ASM_OUTPUT_ALIGNED_BSS | |
| 272 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 273 asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN)) | |
| 274 | |
| 275 /* Output function declarations at the end of the file. */ | |
| 276 #undef TARGET_ASM_FILE_END | |
| 277 #define TARGET_ASM_FILE_END i386_pe_file_end | |
| 278 | |
| 279 #undef ASM_COMMENT_START | |
| 280 #define ASM_COMMENT_START " #" | |
| 281 | |
| 282 #ifndef DWARF2_UNWIND_INFO | |
| 283 /* If configured with --disable-sjlj-exceptions, use DWARF2, else | |
| 284 default to SJLJ. */ | |
| 285 #if (defined (CONFIG_SJLJ_EXCEPTIONS) && !CONFIG_SJLJ_EXCEPTIONS) | |
| 286 /* The logic of this #if must be kept synchronised with the logic | |
| 287 for selecting the tmake_eh_file fragment in config.gcc. */ | |
| 288 #define DWARF2_UNWIND_INFO 1 | |
| 289 #else | |
| 290 #define DWARF2_UNWIND_INFO 0 | |
| 291 #endif | |
| 292 #endif | |
| 293 | |
| 294 /* Don't assume anything about the header files. */ | |
| 295 #define NO_IMPLICIT_EXTERN_C | |
| 296 | |
| 297 #undef PROFILE_HOOK | |
| 298 #define PROFILE_HOOK(LABEL) \ | |
| 299 if (MAIN_NAME_P (DECL_NAME (current_function_decl))) \ | |
| 300 { \ | |
| 301 emit_call_insn (gen_rtx_CALL (VOIDmode, \ | |
| 302 gen_rtx_MEM (FUNCTION_MODE, \ | |
| 303 gen_rtx_SYMBOL_REF (Pmode, "_monstartup")), \ | |
| 304 const0_rtx)); \ | |
| 305 } | |
| 306 | |
| 307 /* Java Native Interface (JNI) methods on Win32 are invoked using the | |
| 308 stdcall calling convention. */ | |
| 309 #undef MODIFY_JNI_METHOD_CALL | |
| 310 #define MODIFY_JNI_METHOD_CALL(MDECL) \ | |
| 311 build_type_attribute_variant ((MDECL), \ | |
| 312 build_tree_list (get_identifier ("stdcall"), \ | |
| 313 NULL)) | |
| 314 | |
| 315 /* For Win32 ABI compatibility */ | |
| 316 #undef DEFAULT_PCC_STRUCT_RETURN | |
| 317 #define DEFAULT_PCC_STRUCT_RETURN 0 | |
| 318 | |
| 319 /* MSVC returns aggregate types of up to 8 bytes via registers. | |
| 320 See i386.c:ix86_return_in_memory. */ | |
| 321 #undef MS_AGGREGATE_RETURN | |
| 322 #define MS_AGGREGATE_RETURN 1 | |
| 323 | |
| 324 /* Biggest alignment supported by the object file format of this | |
| 325 machine. Use this macro to limit the alignment which can be | |
| 326 specified using the `__attribute__ ((aligned (N)))' construct. If | |
| 327 not defined, the default value is `BIGGEST_ALIGNMENT'. */ | |
| 328 /* IMAGE_SCN_ALIGN_8192BYTES is the largest section alignment flag | |
| 329 specified in the PECOFF60 spec. Native MS compiler also limits | |
| 330 user-specified alignment to 8192 bytes. */ | |
| 331 #undef MAX_OFILE_ALIGNMENT | |
| 332 #define MAX_OFILE_ALIGNMENT (8192 * 8) | |
| 333 | |
| 334 /* BIGGEST_FIELD_ALIGNMENT macro is used directly by libobjc, There, we | |
| 335 align internal doubles in structures on dword boundaries. Otherwise, | |
| 336 support vector modes using ADJUST_FIELD_ALIGN, defined in i386.h. */ | |
| 337 #ifdef IN_TARGET_LIBS | |
| 338 #undef BIGGEST_FIELD_ALIGNMENT | |
| 339 #define BIGGEST_FIELD_ALIGNMENT 64 | |
| 340 #endif | |
| 341 | |
| 342 /* A bit-field declared as `int' forces `int' alignment for the struct. */ | |
| 343 #undef PCC_BITFIELD_TYPE_MATTERS | |
| 344 #define PCC_BITFIELD_TYPE_MATTERS 1 | |
| 345 #define GROUP_BITFIELDS_BY_ALIGN TYPE_NATIVE(rec) | |
| 346 | |
| 347 /* Enable alias attribute support. */ | |
| 348 #ifndef SET_ASM_OP | |
| 349 #define SET_ASM_OP "\t.set\t" | |
| 350 #endif | |
| 351 | |
| 352 /* This implements the `alias' attribute, keeping any stdcall or | |
| 353 fastcall decoration. */ | |
| 354 #undef ASM_OUTPUT_DEF_FROM_DECLS | |
| 355 #define ASM_OUTPUT_DEF_FROM_DECLS(STREAM, DECL, TARGET) \ | |
| 356 do \ | |
| 357 { \ | |
| 358 const char *alias \ | |
| 359 = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \ | |
| 360 if (TREE_CODE (DECL) == FUNCTION_DECL) \ | |
| 361 i386_pe_declare_function_type (STREAM, alias, \ | |
| 362 TREE_PUBLIC (DECL)); \ | |
| 363 ASM_OUTPUT_DEF (STREAM, alias, IDENTIFIER_POINTER (TARGET)); \ | |
| 364 } while (0) | |
| 365 | |
| 366 /* GNU as supports weak symbols on PECOFF. */ | |
| 367 #ifdef HAVE_GAS_WEAK | |
| 368 #define ASM_WEAKEN_LABEL(FILE, NAME) \ | |
| 369 do \ | |
| 370 { \ | |
| 371 fputs ("\t.weak\t", (FILE)); \ | |
| 372 assemble_name ((FILE), (NAME)); \ | |
| 373 fputc ('\n', (FILE)); \ | |
| 374 } \ | |
| 375 while (0) | |
| 376 #endif /* HAVE_GAS_WEAK */ | |
| 377 | |
| 378 /* FIXME: SUPPORTS_WEAK && TARGET_HAVE_NAMED_SECTIONS is true, | |
| 379 but for .jcr section to work we also need crtbegin and crtend | |
| 380 objects. */ | |
| 381 #define TARGET_USE_JCR_SECTION 0 | |
| 382 | |
| 383 /* Decide whether it is safe to use a local alias for a virtual function | |
| 384 when constructing thunks. */ | |
| 385 #undef TARGET_USE_LOCAL_THUNK_ALIAS_P | |
| 386 #define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) (!DECL_ONE_ONLY (DECL)) | |
| 387 | |
| 388 #define SUBTARGET_ATTRIBUTE_TABLE \ | |
| 389 { "selectany", 0, 0, true, false, false, ix86_handle_selectany_attribute } | |
| 390 /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */ | |
| 391 | |
| 392 /* mcount() does not need a counter variable. */ | |
| 393 #undef NO_PROFILE_COUNTERS | |
| 394 #define NO_PROFILE_COUNTERS 1 | |
| 395 | |
| 396 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P i386_pe_valid_dllimport_attribute_p | |
| 397 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION i386_pe_adjust_class_at_definition | |
| 398 #define TARGET_MANGLE_DECL_ASSEMBLER_NAME i386_pe_mangle_decl_assembler_name | |
| 399 | |
| 400 #undef TREE | |
| 401 | |
| 402 #ifndef BUFSIZ | |
| 403 # undef FILE | |
| 404 #endif |