Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/i386/winnt.c @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 24 May 2010 12:47:05 +0900 |
| parents | 77e2b8dfacca |
| children | f6334be47118 |
| rev | line source |
|---|---|
| 0 | 1 /* Subroutines for insn-output.c for Windows NT. |
| 2 Contributed by Douglas Rupp (drupp@cs.washington.edu) | |
| 3 Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
4 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| 0 | 5 |
| 6 This file is part of GCC. | |
| 7 | |
| 8 GCC is free software; you can redistribute it and/or modify it under | |
| 9 the terms of the GNU General Public License as published by the Free | |
| 10 Software Foundation; either version 3, or (at your option) any later | |
| 11 version. | |
| 12 | |
| 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with GCC; see the file COPYING3. If not see | |
| 20 <http://www.gnu.org/licenses/>. */ | |
| 21 | |
| 22 #include "config.h" | |
| 23 #include "system.h" | |
| 24 #include "coretypes.h" | |
| 25 #include "tm.h" | |
| 26 #include "rtl.h" | |
| 27 #include "regs.h" | |
| 28 #include "hard-reg-set.h" | |
| 29 #include "output.h" | |
| 30 #include "tree.h" | |
| 31 #include "flags.h" | |
| 32 #include "tm_p.h" | |
| 33 #include "toplev.h" | |
| 34 #include "hashtab.h" | |
| 35 #include "langhooks.h" | |
| 36 #include "ggc.h" | |
| 37 #include "target.h" | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
38 #include "lto-streamer.h" |
| 0 | 39 |
| 40 /* i386/PE specific attribute support. | |
| 41 | |
| 42 i386/PE has two new attributes: | |
| 43 dllexport - for exporting a function/variable that will live in a dll | |
| 44 dllimport - for importing a function/variable from a dll | |
| 45 | |
| 46 Microsoft allows multiple declspecs in one __declspec, separating | |
| 47 them with spaces. We do NOT support this. Instead, use __declspec | |
| 48 multiple times. | |
| 49 */ | |
| 50 | |
| 51 /* Handle a "shared" attribute; | |
| 52 arguments as in struct attribute_spec.handler. */ | |
| 53 tree | |
| 54 ix86_handle_shared_attribute (tree *node, tree name, | |
| 55 tree args ATTRIBUTE_UNUSED, | |
| 56 int flags ATTRIBUTE_UNUSED, bool *no_add_attrs) | |
| 57 { | |
| 58 if (TREE_CODE (*node) != VAR_DECL) | |
| 59 { | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
60 warning (OPT_Wattributes, "%qE attribute only applies to variables", |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
61 name); |
| 0 | 62 *no_add_attrs = true; |
| 63 } | |
| 64 | |
| 65 return NULL_TREE; | |
| 66 } | |
| 67 | |
| 68 /* Handle a "selectany" attribute; | |
| 69 arguments as in struct attribute_spec.handler. */ | |
| 70 tree | |
| 71 ix86_handle_selectany_attribute (tree *node, tree name, | |
| 72 tree args ATTRIBUTE_UNUSED, | |
| 73 int flags ATTRIBUTE_UNUSED, | |
| 74 bool *no_add_attrs) | |
| 75 { | |
| 76 /* The attribute applies only to objects that are initialized and have | |
| 77 external linkage. However, we may not know about initialization | |
| 78 until the language frontend has processed the decl. We'll check for | |
| 79 initialization later in encode_section_info. */ | |
| 80 if (TREE_CODE (*node) != VAR_DECL || !TREE_PUBLIC (*node)) | |
| 81 { | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
82 error ("%qE attribute applies only to initialized variables" |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
83 " with external linkage", name); |
| 0 | 84 *no_add_attrs = true; |
| 85 } | |
| 86 | |
| 87 return NULL_TREE; | |
| 88 } | |
| 89 | |
| 90 | |
| 91 /* Return the type that we should use to determine if DECL is | |
| 92 imported or exported. */ | |
| 93 | |
| 94 static tree | |
| 95 associated_type (tree decl) | |
| 96 { | |
| 97 return (DECL_CONTEXT (decl) && TYPE_P (DECL_CONTEXT (decl)) | |
| 98 ? DECL_CONTEXT (decl) : NULL_TREE); | |
| 99 } | |
| 100 | |
| 101 /* Return true if DECL should be a dllexport'd object. */ | |
| 102 | |
| 103 static bool | |
| 104 i386_pe_determine_dllexport_p (tree decl) | |
| 105 { | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
106 if (TREE_CODE (decl) != VAR_DECL && TREE_CODE (decl) != FUNCTION_DECL) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
107 return false; |
| 0 | 108 |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
109 /* Don't export local clones of dllexports. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
110 if (!TREE_PUBLIC (decl)) |
| 0 | 111 return false; |
| 112 | |
| 113 if (lookup_attribute ("dllexport", DECL_ATTRIBUTES (decl))) | |
| 114 return true; | |
| 115 | |
| 116 return false; | |
| 117 } | |
| 118 | |
| 119 /* Return true if DECL should be a dllimport'd object. */ | |
| 120 | |
| 121 static bool | |
| 122 i386_pe_determine_dllimport_p (tree decl) | |
| 123 { | |
| 124 tree assoc; | |
| 125 | |
| 126 if (TREE_CODE (decl) != VAR_DECL && TREE_CODE (decl) != FUNCTION_DECL) | |
| 127 return false; | |
| 128 | |
| 129 if (DECL_DLLIMPORT_P (decl)) | |
| 130 return true; | |
| 131 | |
| 132 /* The DECL_DLLIMPORT_P flag was set for decls in the class definition | |
| 133 by targetm.cxx.adjust_class_at_definition. Check again to emit | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
134 error message if the class attribute has been overridden by an |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
135 out-of-class definition of static data. */ |
| 0 | 136 assoc = associated_type (decl); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
137 if (assoc && lookup_attribute ("dllimport", TYPE_ATTRIBUTES (assoc)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
138 && TREE_CODE (decl) == VAR_DECL |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
139 && TREE_STATIC (decl) && TREE_PUBLIC (decl) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
140 && !DECL_EXTERNAL (decl) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
141 /* vtable's are linkonce constants, so defining a vtable is not |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
142 an error as long as we don't try to import it too. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
143 && !DECL_VIRTUAL_P (decl)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
144 error ("definition of static data member %q+D of " |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
145 "dllimport'd class", decl); |
| 0 | 146 |
| 147 return false; | |
| 148 } | |
| 149 | |
| 150 /* Handle the -mno-fun-dllimport target switch. */ | |
| 151 | |
| 152 bool | |
| 153 i386_pe_valid_dllimport_attribute_p (const_tree decl) | |
| 154 { | |
| 155 if (TARGET_NOP_FUN_DLLIMPORT && TREE_CODE (decl) == FUNCTION_DECL) | |
| 156 return false; | |
| 157 return true; | |
| 158 } | |
| 159 | |
| 160 /* Return string which is the function name, identified by ID, modified | |
| 161 with a suffix consisting of an atsign (@) followed by the number of | |
| 162 bytes of arguments. If ID is NULL use the DECL_NAME as base. If | |
| 163 FASTCALL is true, also add the FASTCALL_PREFIX. | |
| 164 Return NULL if no change required. */ | |
| 165 | |
| 166 static tree | |
| 167 gen_stdcall_or_fastcall_suffix (tree decl, tree id, bool fastcall) | |
| 168 { | |
| 169 HOST_WIDE_INT total = 0; | |
| 170 const char *old_str = IDENTIFIER_POINTER (id != NULL_TREE ? id : DECL_NAME (decl)); | |
| 171 char *new_str, *p; | |
| 172 tree type = TREE_TYPE (decl); | |
| 173 tree arg; | |
| 174 function_args_iterator args_iter; | |
| 175 | |
| 176 gcc_assert (TREE_CODE (decl) == FUNCTION_DECL); | |
| 177 | |
| 178 if (prototype_p (type)) | |
| 179 { | |
| 180 /* This attribute is ignored for variadic functions. */ | |
| 181 if (stdarg_p (type)) | |
| 182 return NULL_TREE; | |
| 183 | |
| 184 /* Quit if we hit an incomplete type. Error is reported | |
| 185 by convert_arguments in c-typeck.c or cp/typeck.c. */ | |
| 186 FOREACH_FUNCTION_ARGS(type, arg, args_iter) | |
| 187 { | |
| 188 HOST_WIDE_INT parm_size; | |
| 189 HOST_WIDE_INT parm_boundary_bytes = PARM_BOUNDARY / BITS_PER_UNIT; | |
| 190 | |
| 191 if (! COMPLETE_TYPE_P (arg)) | |
| 192 break; | |
| 193 | |
| 194 parm_size = int_size_in_bytes (arg); | |
| 195 if (parm_size < 0) | |
| 196 break; | |
| 197 | |
| 198 /* Must round up to include padding. This is done the same | |
| 199 way as in store_one_arg. */ | |
| 200 parm_size = ((parm_size + parm_boundary_bytes - 1) | |
| 201 / parm_boundary_bytes * parm_boundary_bytes); | |
| 202 total += parm_size; | |
| 203 } | |
| 204 } | |
| 205 /* Assume max of 8 base 10 digits in the suffix. */ | |
| 206 p = new_str = XALLOCAVEC (char, 1 + strlen (old_str) + 1 + 8 + 1); | |
| 207 if (fastcall) | |
| 208 *p++ = FASTCALL_PREFIX; | |
| 209 sprintf (p, "%s@" HOST_WIDE_INT_PRINT_DEC, old_str, total); | |
| 210 | |
| 211 return get_identifier (new_str); | |
| 212 } | |
| 213 | |
| 214 /* Maybe decorate and get a new identifier for the DECL of a stdcall or | |
| 215 fastcall function. The original identifier is supplied in ID. */ | |
| 216 | |
| 217 static tree | |
| 218 i386_pe_maybe_mangle_decl_assembler_name (tree decl, tree id) | |
| 219 { | |
| 220 tree new_id = NULL_TREE; | |
| 221 | |
| 222 if (TREE_CODE (decl) == FUNCTION_DECL) | |
| 223 { | |
| 224 tree type_attributes = TYPE_ATTRIBUTES (TREE_TYPE (decl)); | |
| 225 if (lookup_attribute ("stdcall", type_attributes)) | |
| 226 new_id = gen_stdcall_or_fastcall_suffix (decl, id, false); | |
| 227 else if (lookup_attribute ("fastcall", type_attributes)) | |
| 228 new_id = gen_stdcall_or_fastcall_suffix (decl, id, true); | |
| 229 } | |
| 230 | |
| 231 return new_id; | |
| 232 } | |
| 233 | |
| 234 /* This is used as a target hook to modify the DECL_ASSEMBLER_NAME | |
| 235 in the language-independent default hook | |
| 236 langhooks,c:lhd_set_decl_assembler_name () | |
| 237 and in cp/mangle,c:mangle_decl (). */ | |
| 238 tree | |
| 239 i386_pe_mangle_decl_assembler_name (tree decl, tree id) | |
| 240 { | |
| 241 tree new_id = i386_pe_maybe_mangle_decl_assembler_name (decl, id); | |
| 242 | |
| 243 return (new_id ? new_id : id); | |
| 244 } | |
| 245 | |
| 246 void | |
| 247 i386_pe_encode_section_info (tree decl, rtx rtl, int first) | |
| 248 { | |
| 249 rtx symbol; | |
| 250 int flags; | |
| 251 | |
| 252 /* Do this last, due to our frobbing of DECL_DLLIMPORT_P above. */ | |
| 253 default_encode_section_info (decl, rtl, first); | |
| 254 | |
| 255 /* Careful not to prod global register variables. */ | |
| 256 if (!MEM_P (rtl)) | |
| 257 return; | |
| 258 | |
| 259 symbol = XEXP (rtl, 0); | |
| 260 gcc_assert (GET_CODE (symbol) == SYMBOL_REF); | |
| 261 | |
| 262 switch (TREE_CODE (decl)) | |
| 263 { | |
| 264 case FUNCTION_DECL: | |
| 265 /* FIXME: Imported stdcall names are not modified by the Ada frontend. | |
| 266 Check and decorate the RTL name now. */ | |
| 267 if (strcmp (lang_hooks.name, "GNU Ada") == 0) | |
| 268 { | |
| 269 tree new_id; | |
| 270 tree old_id = DECL_ASSEMBLER_NAME (decl); | |
| 271 const char* asm_str = IDENTIFIER_POINTER (old_id); | |
| 272 /* Do not change the identifier if a verbatim asmspec | |
| 273 or if stdcall suffix already added. */ | |
| 274 if (!(*asm_str == '*' || strchr (asm_str, '@')) | |
| 275 && (new_id = i386_pe_maybe_mangle_decl_assembler_name (decl, | |
| 276 old_id))) | |
| 277 XSTR (symbol, 0) = IDENTIFIER_POINTER (new_id); | |
| 278 } | |
| 279 break; | |
| 280 | |
| 281 case VAR_DECL: | |
| 282 if (lookup_attribute ("selectany", DECL_ATTRIBUTES (decl))) | |
| 283 { | |
| 284 if (DECL_INITIAL (decl) | |
| 285 /* If an object is initialized with a ctor, the static | |
| 286 initialization and destruction code for it is present in | |
| 287 each unit defining the object. The code that calls the | |
| 288 ctor is protected by a link-once guard variable, so that | |
| 289 the object still has link-once semantics, */ | |
| 290 || TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (decl))) | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
291 make_decl_one_only (decl, DECL_ASSEMBLER_NAME (decl)); |
| 0 | 292 else |
| 293 error ("%q+D:'selectany' attribute applies only to " | |
| 294 "initialized objects", decl); | |
| 295 } | |
| 296 break; | |
| 297 | |
| 298 default: | |
| 299 return; | |
| 300 } | |
| 301 | |
| 302 /* Mark the decl so we can tell from the rtl whether the object is | |
| 303 dllexport'd or dllimport'd. tree.c: merge_dllimport_decl_attributes | |
| 304 handles dllexport/dllimport override semantics. */ | |
| 305 flags = (SYMBOL_REF_FLAGS (symbol) & | |
| 306 ~(SYMBOL_FLAG_DLLIMPORT | SYMBOL_FLAG_DLLEXPORT)); | |
| 307 if (i386_pe_determine_dllexport_p (decl)) | |
| 308 flags |= SYMBOL_FLAG_DLLEXPORT; | |
| 309 else if (i386_pe_determine_dllimport_p (decl)) | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
310 flags |= SYMBOL_FLAG_DLLIMPORT; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
311 |
| 0 | 312 SYMBOL_REF_FLAGS (symbol) = flags; |
| 313 } | |
| 314 | |
| 315 bool | |
| 316 i386_pe_binds_local_p (const_tree exp) | |
| 317 { | |
| 318 /* PE does not do dynamic binding. Indeed, the only kind of | |
| 319 non-local reference comes from a dllimport'd symbol. */ | |
| 320 if ((TREE_CODE (exp) == VAR_DECL || TREE_CODE (exp) == FUNCTION_DECL) | |
| 321 && DECL_DLLIMPORT_P (exp)) | |
| 322 return false; | |
| 323 | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
324 /* Or a weak one, now that they are supported. */ |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
325 if ((TREE_CODE (exp) == VAR_DECL || TREE_CODE (exp) == FUNCTION_DECL) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
326 && DECL_WEAK (exp)) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
327 /* But x64 gets confused and attempts to use unsupported GOTPCREL |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
328 relocations if we tell it the truth, so we still return true in |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
329 that case until the deeper problem can be fixed. */ |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
330 return (TARGET_64BIT && DEFAULT_ABI == MS_ABI); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
331 |
| 0 | 332 return true; |
| 333 } | |
| 334 | |
| 335 /* Also strip the fastcall prefix and stdcall suffix. */ | |
| 336 | |
| 337 const char * | |
| 338 i386_pe_strip_name_encoding_full (const char *str) | |
| 339 { | |
| 340 const char *p; | |
| 341 const char *name = default_strip_name_encoding (str); | |
| 342 | |
| 343 /* Strip leading '@' on fastcall symbols. */ | |
| 344 if (*name == '@') | |
| 345 name++; | |
| 346 | |
| 347 /* Strip trailing "@n". */ | |
| 348 p = strchr (name, '@'); | |
| 349 if (p) | |
| 350 return ggc_alloc_string (name, p - name); | |
| 351 | |
| 352 return name; | |
| 353 } | |
| 354 | |
| 355 void | |
| 356 i386_pe_unique_section (tree decl, int reloc) | |
| 357 { | |
| 358 int len; | |
| 359 const char *name, *prefix; | |
| 360 char *string; | |
| 361 | |
| 362 name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)); | |
| 363 name = i386_pe_strip_name_encoding_full (name); | |
| 364 | |
| 365 /* The object is put in, for example, section .text$foo. | |
| 366 The linker will then ultimately place them in .text | |
| 367 (everything from the $ on is stripped). Don't put | |
| 368 read-only data in .rdata section to avoid a PE linker | |
| 369 bug when .rdata$* grouped sections are used in code | |
| 370 without a .rdata section. */ | |
| 371 if (TREE_CODE (decl) == FUNCTION_DECL) | |
| 372 prefix = ".text$"; | |
| 373 else if (decl_readonly_section (decl, reloc)) | |
| 374 prefix = ".rdata$"; | |
| 375 else | |
| 376 prefix = ".data$"; | |
| 377 len = strlen (name) + strlen (prefix); | |
| 378 string = XALLOCAVEC (char, len + 1); | |
| 379 sprintf (string, "%s%s", prefix, name); | |
| 380 | |
| 381 DECL_SECTION_NAME (decl) = build_string (len, string); | |
| 382 } | |
| 383 | |
| 384 /* Select a set of attributes for section NAME based on the properties | |
| 385 of DECL and whether or not RELOC indicates that DECL's initializer | |
| 386 might contain runtime relocations. | |
| 387 | |
| 388 We make the section read-only and executable for a function decl, | |
| 389 read-only for a const data decl, and writable for a non-const data decl. | |
| 390 | |
| 391 If the section has already been defined, to not allow it to have | |
| 392 different attributes, as (1) this is ambiguous since we're not seeing | |
| 393 all the declarations up front and (2) some assemblers (e.g. SVR4) | |
| 394 do not recognize section redefinitions. */ | |
| 395 /* ??? This differs from the "standard" PE implementation in that we | |
| 396 handle the SHARED variable attribute. Should this be done for all | |
| 397 PE targets? */ | |
| 398 | |
| 399 #define SECTION_PE_SHARED SECTION_MACH_DEP | |
| 400 | |
| 401 unsigned int | |
| 402 i386_pe_section_type_flags (tree decl, const char *name, int reloc) | |
| 403 { | |
| 404 static htab_t htab; | |
| 405 unsigned int flags; | |
| 406 unsigned int **slot; | |
| 407 | |
| 408 /* The names we put in the hashtable will always be the unique | |
| 409 versions given to us by the stringtable, so we can just use | |
| 410 their addresses as the keys. */ | |
| 411 if (!htab) | |
| 412 htab = htab_create (31, htab_hash_pointer, htab_eq_pointer, NULL); | |
| 413 | |
| 414 if (decl && TREE_CODE (decl) == FUNCTION_DECL) | |
| 415 flags = SECTION_CODE; | |
| 416 else if (decl && decl_readonly_section (decl, reloc)) | |
| 417 flags = 0; | |
| 418 else if (current_function_decl | |
| 419 && cfun | |
| 420 && crtl->subsections.unlikely_text_section_name | |
| 421 && strcmp (name, crtl->subsections.unlikely_text_section_name) == 0) | |
| 422 flags = SECTION_CODE; | |
| 423 else if (!decl | |
| 424 && (!current_function_decl || !cfun) | |
| 425 && strcmp (name, UNLIKELY_EXECUTED_TEXT_SECTION_NAME) == 0) | |
| 426 flags = SECTION_CODE; | |
| 427 else | |
| 428 { | |
| 429 flags = SECTION_WRITE; | |
| 430 | |
| 431 if (decl && TREE_CODE (decl) == VAR_DECL | |
| 432 && lookup_attribute ("shared", DECL_ATTRIBUTES (decl))) | |
| 433 flags |= SECTION_PE_SHARED; | |
| 434 } | |
| 435 | |
| 436 if (decl && DECL_ONE_ONLY (decl)) | |
| 437 flags |= SECTION_LINKONCE; | |
| 438 | |
| 439 /* See if we already have an entry for this section. */ | |
| 440 slot = (unsigned int **) htab_find_slot (htab, name, INSERT); | |
| 441 if (!*slot) | |
| 442 { | |
| 443 *slot = (unsigned int *) xmalloc (sizeof (unsigned int)); | |
| 444 **slot = flags; | |
| 445 } | |
| 446 else | |
| 447 { | |
| 448 if (decl && **slot != flags) | |
| 449 error ("%q+D causes a section type conflict", decl); | |
| 450 } | |
| 451 | |
| 452 return flags; | |
| 453 } | |
| 454 | |
| 455 void | |
| 456 i386_pe_asm_named_section (const char *name, unsigned int flags, | |
| 457 tree decl) | |
| 458 { | |
| 459 char flagchars[8], *f = flagchars; | |
| 460 | |
| 461 if ((flags & (SECTION_CODE | SECTION_WRITE)) == 0) | |
| 462 /* readonly data */ | |
| 463 { | |
| 464 *f++ ='d'; /* This is necessary for older versions of gas. */ | |
| 465 *f++ ='r'; | |
| 466 } | |
| 467 else | |
| 468 { | |
| 469 if (flags & SECTION_CODE) | |
| 470 *f++ = 'x'; | |
| 471 if (flags & SECTION_WRITE) | |
| 472 *f++ = 'w'; | |
| 473 if (flags & SECTION_PE_SHARED) | |
| 474 *f++ = 's'; | |
| 475 } | |
| 476 | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
477 /* LTO sections need 1-byte alignment to avoid confusing the |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
478 zlib decompression algorithm with trailing zero pad bytes. */ |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
479 if (strncmp (name, LTO_SECTION_NAME_PREFIX, |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
480 strlen (LTO_SECTION_NAME_PREFIX)) == 0) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
481 *f++ = '0'; |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
482 |
| 0 | 483 *f = '\0'; |
| 484 | |
| 485 fprintf (asm_out_file, "\t.section\t%s,\"%s\"\n", name, flagchars); | |
| 486 | |
| 487 if (flags & SECTION_LINKONCE) | |
| 488 { | |
| 489 /* Functions may have been compiled at various levels of | |
| 490 optimization so we can't use `same_size' here. | |
| 491 Instead, have the linker pick one, without warning. | |
| 492 If 'selectany' attribute has been specified, MS compiler | |
| 493 sets 'discard' characteristic, rather than telling linker | |
| 494 to warn of size or content mismatch, so do the same. */ | |
| 495 bool discard = (flags & SECTION_CODE) | |
| 496 || lookup_attribute ("selectany", | |
| 497 DECL_ATTRIBUTES (decl)); | |
| 498 fprintf (asm_out_file, "\t.linkonce %s\n", | |
| 499 (discard ? "discard" : "same_size")); | |
| 500 } | |
| 501 } | |
| 502 | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
503 /* Beware, DECL may be NULL if compile_file() is emitting the LTO marker. */ |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
504 |
| 0 | 505 void |
| 506 i386_pe_asm_output_aligned_decl_common (FILE *stream, tree decl, | |
| 507 const char *name, HOST_WIDE_INT size, | |
| 508 HOST_WIDE_INT align ATTRIBUTE_UNUSED) | |
| 509 { | |
| 510 HOST_WIDE_INT rounded; | |
| 511 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
512 /* Compute as in assemble_noswitch_variable, since we don't have |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
513 support for aligned common on older binutils. We must also |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
514 avoid emitting a common symbol of size zero, as this is the |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
515 overloaded representation that indicates an undefined external |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
516 symbol in the PE object file format. */ |
| 0 | 517 rounded = size ? size : 1; |
| 518 rounded += (BIGGEST_ALIGNMENT / BITS_PER_UNIT) - 1; | |
| 519 rounded = (rounded / (BIGGEST_ALIGNMENT / BITS_PER_UNIT) | |
| 520 * (BIGGEST_ALIGNMENT / BITS_PER_UNIT)); | |
| 521 | |
| 522 i386_pe_maybe_record_exported_symbol (decl, name, 1); | |
| 523 | |
| 524 fprintf (stream, "\t.comm\t"); | |
| 525 assemble_name (stream, name); | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
526 if (use_pe_aligned_common) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
527 fprintf (stream, ", " HOST_WIDE_INT_PRINT_DEC ", %d\n", |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
528 size ? size : (HOST_WIDE_INT) 1, |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
529 exact_log2 (align) - exact_log2 (CHAR_BIT)); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
530 else |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
531 fprintf (stream, ", " HOST_WIDE_INT_PRINT_DEC "\t" ASM_COMMENT_START |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
532 " " HOST_WIDE_INT_PRINT_DEC "\n", rounded, size); |
| 0 | 533 } |
| 534 | |
| 535 /* The Microsoft linker requires that every function be marked as | |
| 536 DT_FCN. When using gas on cygwin, we must emit appropriate .type | |
| 537 directives. */ | |
| 538 | |
| 539 #include "gsyms.h" | |
| 540 | |
| 541 /* Mark a function appropriately. This should only be called for | |
| 542 functions for which we are not emitting COFF debugging information. | |
| 543 FILE is the assembler output file, NAME is the name of the | |
| 544 function, and PUB is nonzero if the function is globally | |
| 545 visible. */ | |
| 546 | |
| 547 void | |
| 548 i386_pe_declare_function_type (FILE *file, const char *name, int pub) | |
| 549 { | |
| 550 fprintf (file, "\t.def\t"); | |
| 551 assemble_name (file, name); | |
| 552 fprintf (file, ";\t.scl\t%d;\t.type\t%d;\t.endef\n", | |
| 553 pub ? (int) C_EXT : (int) C_STAT, | |
| 554 (int) DT_FCN << N_BTSHFT); | |
| 555 } | |
| 556 | |
| 557 /* Keep a list of external functions. */ | |
| 558 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
559 struct GTY(()) extern_list |
| 0 | 560 { |
| 561 struct extern_list *next; | |
| 562 tree decl; | |
| 563 const char *name; | |
| 564 }; | |
| 565 | |
| 566 static GTY(()) struct extern_list *extern_head; | |
| 567 | |
| 568 /* Assemble an external function reference. We need to keep a list of | |
| 569 these, so that we can output the function types at the end of the | |
| 570 assembly. We can't output the types now, because we might see a | |
| 571 definition of the function later on and emit debugging information | |
| 572 for it then. */ | |
| 573 | |
| 574 void | |
| 575 i386_pe_record_external_function (tree decl, const char *name) | |
| 576 { | |
| 577 struct extern_list *p; | |
| 578 | |
| 579 p = (struct extern_list *) ggc_alloc (sizeof *p); | |
| 580 p->next = extern_head; | |
| 581 p->decl = decl; | |
| 582 p->name = name; | |
| 583 extern_head = p; | |
| 584 } | |
| 585 | |
| 586 /* Keep a list of exported symbols. */ | |
| 587 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
588 struct GTY(()) export_list |
| 0 | 589 { |
| 590 struct export_list *next; | |
| 591 const char *name; | |
| 592 int is_data; /* used to type tag exported symbols. */ | |
| 593 }; | |
| 594 | |
| 595 static GTY(()) struct export_list *export_head; | |
| 596 | |
| 597 /* Assemble an export symbol entry. We need to keep a list of | |
| 598 these, so that we can output the export list at the end of the | |
| 599 assembly. We used to output these export symbols in each function, | |
| 600 but that causes problems with GNU ld when the sections are | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
601 linkonce. Beware, DECL may be NULL if compile_file() is emitting |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
602 the LTO marker. */ |
| 0 | 603 |
| 604 void | |
| 605 i386_pe_maybe_record_exported_symbol (tree decl, const char *name, int is_data) | |
| 606 { | |
| 607 rtx symbol; | |
| 608 struct export_list *p; | |
| 609 | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
610 if (!decl) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
611 return; |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
612 |
| 0 | 613 symbol = XEXP (DECL_RTL (decl), 0); |
| 614 gcc_assert (GET_CODE (symbol) == SYMBOL_REF); | |
| 615 if (!SYMBOL_REF_DLLEXPORT_P (symbol)) | |
| 616 return; | |
| 617 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
618 gcc_assert (TREE_PUBLIC (decl)); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
619 |
| 0 | 620 p = (struct export_list *) ggc_alloc (sizeof *p); |
| 621 p->next = export_head; | |
| 622 p->name = name; | |
| 623 p->is_data = is_data; | |
| 624 export_head = p; | |
| 625 } | |
| 626 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
627 #ifdef CXX_WRAP_SPEC_LIST |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
628 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
629 /* Hash table equality helper function. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
630 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
631 static int |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
632 wrapper_strcmp (const void *x, const void *y) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
633 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
634 return !strcmp ((const char *) x, (const char *) y); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
635 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
636 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
637 /* Search for a function named TARGET in the list of library wrappers |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
638 we are using, returning a pointer to it if found or NULL if not. |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
639 This function might be called on quite a few symbols, and we only |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
640 have the list of names of wrapped functions available to us as a |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
641 spec string, so first time round we lazily initialise a hash table |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
642 to make things quicker. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
643 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
644 static const char * |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
645 i386_find_on_wrapper_list (const char *target) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
646 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
647 static char first_time = 1; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
648 static htab_t wrappers; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
649 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
650 if (first_time) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
651 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
652 /* Beware that this is not a complicated parser, it assumes |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
653 that any sequence of non-whitespace beginning with an |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
654 underscore is one of the wrapped symbols. For now that's |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
655 adequate to distinguish symbols from spec substitutions |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
656 and command-line options. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
657 static char wrapper_list_buffer[] = CXX_WRAP_SPEC_LIST; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
658 char *bufptr; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
659 /* Breaks up the char array into separated strings |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
660 strings and enter them into the hash table. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
661 wrappers = htab_create_alloc (8, htab_hash_string, wrapper_strcmp, |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
662 0, xcalloc, free); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
663 for (bufptr = wrapper_list_buffer; *bufptr; ++bufptr) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
664 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
665 char *found = NULL; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
666 if (ISSPACE (*bufptr)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
667 continue; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
668 if (*bufptr == '_') |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
669 found = bufptr; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
670 while (*bufptr && !ISSPACE (*bufptr)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
671 ++bufptr; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
672 if (*bufptr) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
673 *bufptr = 0; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
674 if (found) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
675 *htab_find_slot (wrappers, found, INSERT) = found; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
676 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
677 first_time = 0; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
678 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
679 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
680 return (const char *) htab_find (wrappers, target); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
681 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
682 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
683 #endif /* CXX_WRAP_SPEC_LIST */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
684 |
| 0 | 685 /* This is called at the end of assembly. For each external function |
| 686 which has not been defined, we output a declaration now. We also | |
| 687 output the .drectve section. */ | |
| 688 | |
| 689 void | |
| 690 i386_pe_file_end (void) | |
| 691 { | |
| 692 struct extern_list *p; | |
| 693 | |
| 694 for (p = extern_head; p != NULL; p = p->next) | |
| 695 { | |
| 696 tree decl; | |
| 697 | |
| 698 decl = p->decl; | |
| 699 | |
| 700 /* Positively ensure only one declaration for any given symbol. */ | |
| 701 if (! TREE_ASM_WRITTEN (decl) | |
| 702 && TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))) | |
| 703 { | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
704 #ifdef CXX_WRAP_SPEC_LIST |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
705 /* To ensure the DLL that provides the corresponding real |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
706 functions is still loaded at runtime, we must reference |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
707 the real function so that an (unused) import is created. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
708 const char *realsym = i386_find_on_wrapper_list (p->name); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
709 if (realsym) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
710 i386_pe_declare_function_type (asm_out_file, |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
711 concat ("__real_", realsym, NULL), TREE_PUBLIC (decl)); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
712 #endif /* CXX_WRAP_SPEC_LIST */ |
| 0 | 713 TREE_ASM_WRITTEN (decl) = 1; |
| 714 i386_pe_declare_function_type (asm_out_file, p->name, | |
| 715 TREE_PUBLIC (decl)); | |
| 716 } | |
| 717 } | |
| 718 | |
| 719 if (export_head) | |
| 720 { | |
| 721 struct export_list *q; | |
| 722 drectve_section (); | |
| 723 for (q = export_head; q != NULL; q = q->next) | |
| 724 { | |
| 725 fprintf (asm_out_file, "\t.ascii \" -export:%s%s\"\n", | |
| 726 default_strip_name_encoding (q->name), | |
| 727 (q->is_data ? ",data" : "")); | |
| 728 } | |
| 729 } | |
| 730 } | |
| 731 | |
| 732 #include "gt-winnt.h" |