Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/i386/cygming.h @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | b7f97abdc517 |
| children | 04ced10e8804 |
| 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, | |
|
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4 2004, 2005, 2007, 2008, 2009, 2010 |
| 0 | 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 | |
|
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36 #undef TARGET_SEH |
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37 #define TARGET_SEH (TARGET_64BIT_MS_ABI && flag_unwind_tables) |
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38 |
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39 /* Win64 with SEH cannot represent DRAP stack frames. Disable its use. |
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40 Force the use of different mechanisms to allocate aligned local data. */ |
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41 #undef MAX_STACK_ALIGNMENT |
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42 #define MAX_STACK_ALIGNMENT (TARGET_SEH ? 128 : MAX_OFILE_ALIGNMENT) |
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43 |
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44 /* Support hooks for SEH. */ |
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45 #undef TARGET_ASM_UNWIND_EMIT |
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46 #define TARGET_ASM_UNWIND_EMIT i386_pe_seh_unwind_emit |
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47 #undef TARGET_ASM_UNWIND_EMIT_BEFORE_INSN |
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48 #define TARGET_ASM_UNWIND_EMIT_BEFORE_INSN false |
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49 #undef TARGET_ASM_FUNCTION_END_PROLOGUE |
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50 #define TARGET_ASM_FUNCTION_END_PROLOGUE i386_pe_seh_end_prologue |
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51 #define SUBTARGET_ASM_UNWIND_INIT i386_pe_seh_init |
| 0 | 52 |
| 53 #undef DEFAULT_ABI | |
| 54 #define DEFAULT_ABI (TARGET_64BIT ? MS_ABI : SYSV_ABI) | |
| 55 | |
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56 #if ! defined (USE_MINGW64_LEADING_UNDERSCORES) |
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57 #undef USER_LABEL_PREFIX |
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58 #define USER_LABEL_PREFIX (TARGET_64BIT ? "" : "_") |
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59 |
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60 #undef LOCAL_LABEL_PREFIX |
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61 #define LOCAL_LABEL_PREFIX (TARGET_64BIT ? "." : "") |
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62 |
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63 #undef ASM_GENERATE_INTERNAL_LABEL |
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64 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \ |
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65 sprintf ((BUF), "*%s%s%ld", LOCAL_LABEL_PREFIX, \ |
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66 (PREFIX), (long)(NUMBER)) |
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67 |
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68 #undef LPREFIX |
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69 #define LPREFIX (TARGET_64BIT ? ".L" : "L") |
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70 |
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71 #endif |
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72 |
| 0 | 73 #undef DBX_REGISTER_NUMBER |
| 74 #define DBX_REGISTER_NUMBER(n) \ | |
| 75 (TARGET_64BIT ? dbx64_register_map[n] \ | |
| 76 : (write_symbols == DWARF2_DEBUG \ | |
| 77 ? svr4_dbx_register_map[n] : dbx_register_map[n])) | |
| 78 | |
| 79 /* Map gcc register number to DWARF 2 CFA column number. For 32 bit | |
| 80 target, always use the svr4_dbx_register_map for DWARF .eh_frame | |
| 81 even if we don't use DWARF .debug_frame. */ | |
| 82 #undef DWARF_FRAME_REGNUM | |
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83 #define DWARF_FRAME_REGNUM(n) \ |
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84 (TARGET_64BIT ? dbx64_register_map[(n)] \ |
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85 : svr4_dbx_register_map[(n)]) |
| 0 | 86 |
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87 /* The MS_ABI changes the set of call-used registers. */ |
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88 #undef DWARF_FRAME_REGISTERS |
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89 #define DWARF_FRAME_REGISTERS (TARGET_64BIT ? 33 : 17) |
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90 |
| 0 | 91 #ifdef HAVE_GAS_PE_SECREL32_RELOC |
| 92 /* Use section relative relocations for debugging offsets. Unlike | |
| 93 other targets that fake this by putting the section VMA at 0, PE | |
| 94 won't allow it. */ | |
| 95 #define ASM_OUTPUT_DWARF_OFFSET(FILE, SIZE, LABEL, SECTION) \ | |
| 96 do { \ | |
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97 switch (SIZE) \ |
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98 { \ |
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99 case 4: \ |
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100 fputs ("\t.secrel32\t", FILE); \ |
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101 assemble_name (FILE, LABEL); \ |
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102 break; \ |
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103 case 8: \ |
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104 /* This is a hack. There is no 64-bit section relative \ |
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105 relocation. However, the COFF format also does not \ |
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106 support 64-bit file offsets; 64-bit applications are \ |
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107 limited to 32-bits of code+data in any one module. \ |
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108 Fake the 64-bit offset by zero-extending it. */ \ |
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109 fputs ("\t.secrel32\t", FILE); \ |
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110 assemble_name (FILE, LABEL); \ |
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111 fputs ("\n\t.long\t0", FILE); \ |
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112 break; \ |
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113 default: \ |
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114 gcc_unreachable (); \ |
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115 } \ |
| 0 | 116 } while (0) |
| 117 #endif | |
| 118 | |
| 119 #define TARGET_EXECUTABLE_SUFFIX ".exe" | |
| 120 | |
| 121 #define TARGET_OS_CPP_BUILTINS() \ | |
| 122 do \ | |
| 123 { \ | |
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124 if (!TARGET_64BIT) \ |
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125 builtin_define ("_X86_=1"); \ |
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126 if (TARGET_SEH) \ |
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127 builtin_define ("__SEH__"); \ |
| 0 | 128 builtin_assert ("system=winnt"); \ |
| 129 builtin_define ("__stdcall=__attribute__((__stdcall__))"); \ | |
| 130 builtin_define ("__fastcall=__attribute__((__fastcall__))"); \ | |
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131 builtin_define ("__thiscall=__attribute__((__thiscall__))"); \ |
| 0 | 132 builtin_define ("__cdecl=__attribute__((__cdecl__))"); \ |
| 133 if (!flag_iso) \ | |
| 134 { \ | |
| 135 builtin_define ("_stdcall=__attribute__((__stdcall__))"); \ | |
| 136 builtin_define ("_fastcall=__attribute__((__fastcall__))"); \ | |
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137 builtin_define ("_thiscall=__attribute__((__thiscall__))"); \ |
| 0 | 138 builtin_define ("_cdecl=__attribute__((__cdecl__))"); \ |
| 139 } \ | |
| 140 /* Even though linkonce works with static libs, this is needed \ | |
| 141 to compare typeinfo symbols across dll boundaries. */ \ | |
| 142 builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \ | |
| 143 builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \ | |
| 144 EXTRA_OS_CPP_BUILTINS (); \ | |
| 145 } \ | |
| 146 while (0) | |
| 147 | |
| 148 /* Get tree.c to declare a target-specific specialization of | |
| 149 merge_decl_attributes. */ | |
| 150 #define TARGET_DLLIMPORT_DECL_ATTRIBUTES 1 | |
| 151 | |
| 152 /* This macro defines names of additional specifications to put in the specs | |
| 153 that can be used in various specifications like CC1_SPEC. Its definition | |
| 154 is an initializer with a subgrouping for each command option. | |
| 155 | |
| 156 Each subgrouping contains a string constant, that defines the | |
| 157 specification name, and a string constant that used by the GCC driver | |
| 158 program. | |
| 159 | |
| 160 Do not define this macro if it does not need to do anything. */ | |
| 161 | |
| 162 #undef SUBTARGET_EXTRA_SPECS | |
| 163 #define SUBTARGET_EXTRA_SPECS \ | |
| 164 { "mingw_include_path", DEFAULT_TARGET_MACHINE } | |
| 165 | |
| 166 #undef MATH_LIBRARY | |
| 167 #define MATH_LIBRARY "" | |
| 168 | |
| 169 #define SIZE_TYPE (TARGET_64BIT ? "long long unsigned int" : "unsigned int") | |
| 170 #define PTRDIFF_TYPE (TARGET_64BIT ? "long long int" : "int") | |
| 171 | |
| 172 #define WCHAR_TYPE_SIZE 16 | |
| 173 #define WCHAR_TYPE "short unsigned int" | |
| 174 | |
| 175 /* Windows64 continues to use a 32-bit long type. */ | |
| 176 #undef LONG_TYPE_SIZE | |
| 177 #define LONG_TYPE_SIZE 32 | |
| 178 | |
| 179 union tree_node; | |
| 180 #define TREE union tree_node * | |
| 181 | |
| 182 #define drectve_section() \ | |
| 183 (fprintf (asm_out_file, "\t.section .drectve\n"), \ | |
| 184 in_section = NULL) | |
| 185 | |
| 186 /* Older versions of gas don't handle 'r' as data. | |
| 187 Explicitly set data flag with 'd'. */ | |
| 188 #define READONLY_DATA_SECTION_ASM_OP "\t.section .rdata,\"dr\"" | |
| 189 | |
| 190 /* Don't allow flag_pic to propagate since gas may produce invalid code | |
| 191 otherwise. */ | |
| 192 | |
| 193 #undef SUBTARGET_OVERRIDE_OPTIONS | |
| 194 #define SUBTARGET_OVERRIDE_OPTIONS \ | |
| 195 do { \ | |
|
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196 if (TARGET_64BIT && flag_pic != 1) \ |
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197 { \ |
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198 if (flag_pic > 1) \ |
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199 warning (0, \ |
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200 "-fPIC ignored for target (all code is position independent)"\ |
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201 ); \ |
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202 flag_pic = 1; \ |
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203 } \ |
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204 else if (!TARGET_64BIT && flag_pic) \ |
| 0 | 205 { \ |
| 206 warning (0, "-f%s ignored for target (all code is position independent)",\ | |
| 207 (flag_pic > 1) ? "PIC" : "pic"); \ | |
| 208 flag_pic = 0; \ | |
| 209 } \ | |
| 210 } while (0) \ | |
| 211 | |
| 212 /* Define this macro if references to a symbol must be treated | |
| 213 differently depending on something about the variable or | |
| 214 function named by the symbol (such as what section it is in). | |
| 215 | |
| 216 On i386 running Windows NT, modify the assembler name with a suffix | |
| 217 consisting of an atsign (@) followed by string of digits that represents | |
| 218 the number of bytes of arguments passed to the function, if it has the | |
| 219 attribute STDCALL. | |
| 220 | |
| 221 In addition, we must mark dll symbols specially. Definitions of | |
| 222 dllexport'd objects install some info in the .drectve section. | |
| 223 References to dllimport'd objects are fetched indirectly via | |
| 224 _imp__. If both are declared, dllexport overrides. This is also | |
| 225 needed to implement one-only vtables: they go into their own | |
| 226 section and we need to set DECL_SECTION_NAME so we do that here. | |
| 227 Note that we can be called twice on the same decl. */ | |
| 228 | |
| 229 #define SUBTARGET_ENCODE_SECTION_INFO i386_pe_encode_section_info | |
| 230 | |
| 231 /* Output a common block. */ | |
| 232 #undef ASM_OUTPUT_ALIGNED_DECL_COMMON | |
| 233 #define ASM_OUTPUT_ALIGNED_DECL_COMMON \ | |
| 234 i386_pe_asm_output_aligned_decl_common | |
| 235 | |
| 236 /* Output the label for an initialized variable. */ | |
| 237 #undef ASM_DECLARE_OBJECT_NAME | |
| 238 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \ | |
| 239 do { \ | |
| 240 i386_pe_maybe_record_exported_symbol (DECL, NAME, 1); \ | |
| 241 ASM_OUTPUT_LABEL ((STREAM), (NAME)); \ | |
| 242 } while (0) | |
| 243 | |
| 244 /* Output a reference to a label. Fastcall function symbols | |
| 245 keep their '@' prefix, while other symbols are prefixed | |
| 246 with user_label_prefix. */ | |
| 247 #undef ASM_OUTPUT_LABELREF | |
| 248 #define ASM_OUTPUT_LABELREF(STREAM, NAME) \ | |
| 249 do { \ | |
| 250 if ((NAME)[0] != FASTCALL_PREFIX) \ | |
| 251 fputs (user_label_prefix, (STREAM)); \ | |
| 252 fputs ((NAME), (STREAM)); \ | |
| 253 } while (0) | |
| 254 | |
|
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255 /* This does much the same in memory rather than to a stream. */ |
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256 #undef TARGET_MANGLE_ASSEMBLER_NAME |
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257 #define TARGET_MANGLE_ASSEMBLER_NAME i386_pe_mangle_assembler_name |
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258 |
| 0 | 259 |
| 260 /* Emit code to check the stack when allocating more than 4000 | |
| 261 bytes in one go. */ | |
| 262 #define CHECK_STACK_LIMIT 4000 | |
| 263 | |
| 264 #undef STACK_BOUNDARY | |
|
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265 #define STACK_BOUNDARY (ix86_abi == MS_ABI ? 128 : BITS_PER_WORD) |
| 0 | 266 |
| 267 /* By default, target has a 80387, uses IEEE compatible arithmetic, | |
| 268 returns float values in the 387 and needs stack probes. | |
| 269 We also align doubles to 64-bits for MSVC default compatibility. */ | |
| 270 | |
| 271 #undef TARGET_SUBTARGET_DEFAULT | |
| 272 #define TARGET_SUBTARGET_DEFAULT \ | |
| 273 (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS \ | |
| 274 | MASK_STACK_PROBE | MASK_ALIGN_DOUBLE) | |
| 275 | |
| 276 #undef TARGET_SUBTARGET64_DEFAULT | |
| 277 #define TARGET_SUBTARGET64_DEFAULT \ | |
| 278 MASK_128BIT_LONG_DOUBLE | |
| 279 | |
| 280 /* This is how to output an assembler line | |
| 281 that says to advance the location counter | |
| 282 to a multiple of 2**LOG bytes. */ | |
| 283 | |
| 284 #undef ASM_OUTPUT_ALIGN | |
| 285 #define ASM_OUTPUT_ALIGN(FILE,LOG) \ | |
| 286 if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG)) | |
| 287 | |
| 288 /* Windows uses explicit import from shared libraries. */ | |
| 289 #define MULTIPLE_SYMBOL_SPACES 1 | |
| 290 | |
| 291 #define TARGET_ASM_UNIQUE_SECTION i386_pe_unique_section | |
| 292 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_no_function_rodata_section | |
| 293 | |
| 294 #define SUPPORTS_ONE_ONLY 1 | |
| 295 | |
| 296 /* Switch into a generic section. */ | |
| 297 #define TARGET_ASM_NAMED_SECTION i386_pe_asm_named_section | |
| 298 | |
| 299 /* Select attributes for named sections. */ | |
| 300 #define TARGET_SECTION_TYPE_FLAGS i386_pe_section_type_flags | |
| 301 | |
| 302 /* Write the extra assembler code needed to declare a function | |
| 303 properly. If we are generating SDB debugging information, this | |
| 304 will happen automatically, so we only need to handle other cases. */ | |
| 305 #undef ASM_DECLARE_FUNCTION_NAME | |
|
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306 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ |
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307 i386_pe_start_function (FILE, NAME, DECL) |
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308 |
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309 #undef ASM_DECLARE_FUNCTION_SIZE |
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310 #define ASM_DECLARE_FUNCTION_SIZE(FILE,NAME,DECL) \ |
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311 i386_pe_end_function (FILE, NAME, DECL) |
| 0 | 312 |
| 313 /* Add an external function to the list of functions to be declared at | |
| 314 the end of the file. */ | |
| 315 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \ | |
| 316 do \ | |
| 317 { \ | |
| 318 if (TREE_CODE (DECL) == FUNCTION_DECL) \ | |
| 319 i386_pe_record_external_function ((DECL), (NAME)); \ | |
| 320 } \ | |
| 321 while (0) | |
| 322 | |
| 323 /* Declare the type properly for any external libcall. */ | |
| 324 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ | |
| 325 i386_pe_declare_function_type (FILE, XSTR (FUN, 0), 1) | |
| 326 | |
| 327 /* This says out to put a global symbol in the BSS section. */ | |
| 328 #undef ASM_OUTPUT_ALIGNED_BSS | |
| 329 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 330 asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN)) | |
| 331 | |
|
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332 /* Put all *tf routines in libgcc. */ |
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333 #undef LIBGCC2_HAS_TF_MODE |
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334 #define LIBGCC2_HAS_TF_MODE 1 |
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335 #define LIBGCC2_TF_CEXT q |
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336 #define TF_SIZE 113 |
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337 |
| 0 | 338 /* Output function declarations at the end of the file. */ |
| 339 #undef TARGET_ASM_FILE_END | |
| 340 #define TARGET_ASM_FILE_END i386_pe_file_end | |
| 341 | |
| 342 #undef ASM_COMMENT_START | |
| 343 #define ASM_COMMENT_START " #" | |
| 344 | |
| 345 #ifndef DWARF2_UNWIND_INFO | |
| 346 /* If configured with --disable-sjlj-exceptions, use DWARF2, else | |
| 347 default to SJLJ. */ | |
| 348 #if (defined (CONFIG_SJLJ_EXCEPTIONS) && !CONFIG_SJLJ_EXCEPTIONS) | |
| 349 /* The logic of this #if must be kept synchronised with the logic | |
| 350 for selecting the tmake_eh_file fragment in config.gcc. */ | |
| 351 #define DWARF2_UNWIND_INFO 1 | |
|
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352 /* If multilib is selected break build as sjlj is required. */ |
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353 #if defined (TARGET_BI_ARCH) |
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354 #error For 64-bit windows and 32-bit based multilib version of gcc just SJLJ exceptions are supported. |
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355 #endif |
| 0 | 356 #else |
| 357 #define DWARF2_UNWIND_INFO 0 | |
| 358 #endif | |
| 359 #endif | |
| 360 | |
| 361 /* Don't assume anything about the header files. */ | |
| 362 #define NO_IMPLICIT_EXTERN_C | |
| 363 | |
| 364 #undef PROFILE_HOOK | |
| 365 #define PROFILE_HOOK(LABEL) \ | |
| 366 if (MAIN_NAME_P (DECL_NAME (current_function_decl))) \ | |
| 367 { \ | |
| 368 emit_call_insn (gen_rtx_CALL (VOIDmode, \ | |
| 369 gen_rtx_MEM (FUNCTION_MODE, \ | |
| 370 gen_rtx_SYMBOL_REF (Pmode, "_monstartup")), \ | |
| 371 const0_rtx)); \ | |
| 372 } | |
| 373 | |
| 374 /* Java Native Interface (JNI) methods on Win32 are invoked using the | |
| 375 stdcall calling convention. */ | |
| 376 #undef MODIFY_JNI_METHOD_CALL | |
| 377 #define MODIFY_JNI_METHOD_CALL(MDECL) \ | |
| 378 build_type_attribute_variant ((MDECL), \ | |
| 379 build_tree_list (get_identifier ("stdcall"), \ | |
| 380 NULL)) | |
| 381 | |
| 382 /* For Win32 ABI compatibility */ | |
| 383 #undef DEFAULT_PCC_STRUCT_RETURN | |
| 384 #define DEFAULT_PCC_STRUCT_RETURN 0 | |
| 385 | |
| 386 /* MSVC returns aggregate types of up to 8 bytes via registers. | |
| 387 See i386.c:ix86_return_in_memory. */ | |
| 388 #undef MS_AGGREGATE_RETURN | |
| 389 #define MS_AGGREGATE_RETURN 1 | |
| 390 | |
| 391 /* Biggest alignment supported by the object file format of this | |
| 392 machine. Use this macro to limit the alignment which can be | |
| 393 specified using the `__attribute__ ((aligned (N)))' construct. If | |
| 394 not defined, the default value is `BIGGEST_ALIGNMENT'. */ | |
| 395 /* IMAGE_SCN_ALIGN_8192BYTES is the largest section alignment flag | |
| 396 specified in the PECOFF60 spec. Native MS compiler also limits | |
| 397 user-specified alignment to 8192 bytes. */ | |
| 398 #undef MAX_OFILE_ALIGNMENT | |
| 399 #define MAX_OFILE_ALIGNMENT (8192 * 8) | |
| 400 | |
| 401 /* BIGGEST_FIELD_ALIGNMENT macro is used directly by libobjc, There, we | |
| 402 align internal doubles in structures on dword boundaries. Otherwise, | |
| 403 support vector modes using ADJUST_FIELD_ALIGN, defined in i386.h. */ | |
| 404 #ifdef IN_TARGET_LIBS | |
| 405 #undef BIGGEST_FIELD_ALIGNMENT | |
| 406 #define BIGGEST_FIELD_ALIGNMENT 64 | |
| 407 #endif | |
| 408 | |
| 409 /* A bit-field declared as `int' forces `int' alignment for the struct. */ | |
| 410 #undef PCC_BITFIELD_TYPE_MATTERS | |
| 411 #define PCC_BITFIELD_TYPE_MATTERS 1 | |
| 412 #define GROUP_BITFIELDS_BY_ALIGN TYPE_NATIVE(rec) | |
| 413 | |
| 414 /* Enable alias attribute support. */ | |
| 415 #ifndef SET_ASM_OP | |
| 416 #define SET_ASM_OP "\t.set\t" | |
| 417 #endif | |
| 418 | |
| 419 /* This implements the `alias' attribute, keeping any stdcall or | |
| 420 fastcall decoration. */ | |
| 421 #undef ASM_OUTPUT_DEF_FROM_DECLS | |
| 422 #define ASM_OUTPUT_DEF_FROM_DECLS(STREAM, DECL, TARGET) \ | |
| 423 do \ | |
| 424 { \ | |
| 425 const char *alias \ | |
| 426 = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \ | |
|
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427 i386_pe_maybe_record_exported_symbol (DECL, alias, 0); \ |
| 0 | 428 if (TREE_CODE (DECL) == FUNCTION_DECL) \ |
| 429 i386_pe_declare_function_type (STREAM, alias, \ | |
| 430 TREE_PUBLIC (DECL)); \ | |
| 431 ASM_OUTPUT_DEF (STREAM, alias, IDENTIFIER_POINTER (TARGET)); \ | |
| 432 } while (0) | |
| 433 | |
| 434 /* GNU as supports weak symbols on PECOFF. */ | |
| 435 #ifdef HAVE_GAS_WEAK | |
| 436 #define ASM_WEAKEN_LABEL(FILE, NAME) \ | |
| 437 do \ | |
| 438 { \ | |
| 439 fputs ("\t.weak\t", (FILE)); \ | |
| 440 assemble_name ((FILE), (NAME)); \ | |
| 441 fputc ('\n', (FILE)); \ | |
| 442 } \ | |
| 443 while (0) | |
| 444 #endif /* HAVE_GAS_WEAK */ | |
| 445 | |
| 446 /* FIXME: SUPPORTS_WEAK && TARGET_HAVE_NAMED_SECTIONS is true, | |
| 447 but for .jcr section to work we also need crtbegin and crtend | |
| 448 objects. */ | |
|
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449 #define TARGET_USE_JCR_SECTION 1 |
| 0 | 450 |
| 451 /* Decide whether it is safe to use a local alias for a virtual function | |
| 452 when constructing thunks. */ | |
| 453 #undef TARGET_USE_LOCAL_THUNK_ALIAS_P | |
| 454 #define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) (!DECL_ONE_ONLY (DECL)) | |
| 455 | |
| 456 #define SUBTARGET_ATTRIBUTE_TABLE \ | |
| 457 { "selectany", 0, 0, true, false, false, ix86_handle_selectany_attribute } | |
| 458 /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */ | |
| 459 | |
| 460 /* mcount() does not need a counter variable. */ | |
| 461 #undef NO_PROFILE_COUNTERS | |
| 462 #define NO_PROFILE_COUNTERS 1 | |
| 463 | |
| 464 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P i386_pe_valid_dllimport_attribute_p | |
| 465 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION i386_pe_adjust_class_at_definition | |
| 466 #define TARGET_MANGLE_DECL_ASSEMBLER_NAME i386_pe_mangle_decl_assembler_name | |
| 467 | |
|
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468 #undef TARGET_ASM_ASSEMBLE_VISIBILITY |
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469 #define TARGET_ASM_ASSEMBLE_VISIBILITY i386_pe_assemble_visibility |
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470 |
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471 /* Static stack checking is supported by means of probes. */ |
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472 #define STACK_CHECK_STATIC_BUILTIN 1 |
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473 |
| 0 | 474 #undef TREE |
| 475 | |
| 476 #ifndef BUFSIZ | |
| 477 # undef FILE | |
| 478 #endif |