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- now storing vector of types on a per module basis (and giving it
[wine.git] / dlls / dbghelp / type.c
blob8dd2cf47b7e40a6c0188a316bab595b45fea7090
1 /*
2 * File types.c - management of types (hierarchical tree)
3 *
4 * Copyright (C) 1997, Eric Youngdale.
5 * 2004, Eric Pouech.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * Note: This really doesn't do much at the moment, but it forms the framework
22 * upon which full support for datatype handling will eventually be built.
23 */
24 #include "config.h"
25 #include <stdlib.h>
26 #include <stdarg.h>
27 #include <assert.h>
28
29 #include "windef.h"
30 #include "winbase.h"
31 #include "winreg.h"
32 #include "winnls.h"
33 #include "wine/debug.h"
34 #include "dbghelp_private.h"
35
36 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
37 WINE_DECLARE_DEBUG_CHANNEL(dbghelp_symt);
38
39 static const char* symt_get_tag_str(DWORD tag)
40 {
41 switch (tag)
42 {
43 case SymTagNull: return "SymTagNull";
44 case SymTagExe: return "SymTagExe";
45 case SymTagCompiland: return "SymTagCompiland";
46 case SymTagCompilandDetails: return "SymTagCompilandDetails";
47 case SymTagCompilandEnv: return "SymTagCompilandEnv";
48 case SymTagFunction: return "SymTagFunction";
49 case SymTagBlock: return "SymTagBlock";
50 case SymTagData: return "SymTagData";
51 case SymTagAnnotation: return "SymTagAnnotation";
52 case SymTagLabel: return "SymTagLabel";
53 case SymTagPublicSymbol: return "SymTagPublicSymbol";
54 case SymTagUDT: return "SymTagUDT";
55 case SymTagEnum: return "SymTagEnum";
56 case SymTagFunctionType: return "SymTagFunctionType";
57 case SymTagPointerType: return "SymTagPointerType";
58 case SymTagArrayType: return "SymTagArrayType";
59 case SymTagBaseType: return "SymTagBaseType";
60 case SymTagTypedef: return "SymTagTypedef,";
61 case SymTagBaseClass: return "SymTagBaseClass";
62 case SymTagFriend: return "SymTagFriend";
63 case SymTagFunctionArgType: return "SymTagFunctionArgType,";
64 case SymTagFuncDebugStart: return "SymTagFuncDebugStart,";
65 case SymTagFuncDebugEnd: return "SymTagFuncDebugEnd";
66 case SymTagUsingNamespace: return "SymTagUsingNamespace,";
67 case SymTagVTableShape: return "SymTagVTableShape";
68 case SymTagVTable: return "SymTagVTable";
69 case SymTagCustom: return "SymTagCustom";
70 case SymTagThunk: return "SymTagThunk";
71 case SymTagCustomType: return "SymTagCustomType";
72 case SymTagManagedType: return "SymTagManagedType";
73 case SymTagDimension: return "SymTagDimension";
74 default: return "---";
75 }
76 }
77
78 const char* symt_get_name(const struct symt* sym)
79 {
80 switch (sym->tag)
81 {
82 /* lexical tree */
83 case SymTagData: return ((const struct symt_data*)sym)->hash_elt.name;
84 case SymTagFunction: return ((const struct symt_function*)sym)->hash_elt.name;
85 case SymTagPublicSymbol: return ((const struct symt_public*)sym)->hash_elt.name;
86 case SymTagBaseType: return ((const struct symt_basic*)sym)->hash_elt.name;
87 case SymTagLabel: return ((const struct symt_function_point*)sym)->name;
88 case SymTagThunk: return ((const struct symt_thunk*)sym)->hash_elt.name;
89 /* hierarchy tree */
90 case SymTagEnum: return ((const struct symt_enum*)sym)->name;
91 case SymTagTypedef: return ((const struct symt_typedef*)sym)->hash_elt.name;
92 case SymTagUDT: return ((const struct symt_udt*)sym)->hash_elt.name;
93 default:
94 FIXME("Unsupported sym-tag %s\n", symt_get_tag_str(sym->tag));
95 /* fall through */
96 case SymTagArrayType:
97 case SymTagPointerType:
98 case SymTagFunctionType:
99 return NULL;
100 }
101 }
102
103 static struct symt* symt_find_type_by_name(struct module* module,
104 enum SymTagEnum sym_tag,
105 const char* typename)
106 {
107 void* ptr;
108 struct symt_ht* type;
109 struct hash_table_iter hti;
110
111 assert(typename);
112 assert(module);
113
114 hash_table_iter_init(&module->ht_types, &hti, typename);
115 while ((ptr = hash_table_iter_up(&hti)))
116 {
117 type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
118
119 if ((sym_tag == SymTagNull || type->symt.tag == sym_tag) &&
120 type->hash_elt.name && !strcmp(type->hash_elt.name, typename))
121 return &type->symt;
122 }
123 SetLastError(ERROR_INVALID_NAME); /* FIXME ?? */
124 return NULL;
125 }
126
127 static void symt_add_type(struct module* module, struct symt* symt)
128 {
129 struct symt** p;
130 p = vector_add(&module->vtypes, &module->pool);
131 assert(p);
132 *p = symt;
133 }
134
135 struct symt_basic* symt_new_basic(struct module* module, enum BasicType bt,
136 const char* typename, unsigned size)
137 {
138 struct symt_basic* sym;
139
140 if (typename)
141 {
142 sym = (struct symt_basic*)symt_find_type_by_name(module, SymTagBaseType,
143 typename);
144 if (sym && sym->bt == bt && sym->size == size)
145 return sym;
146 }
147 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
148 {
149 sym->symt.tag = SymTagBaseType;
150 if (typename)
151 {
152 sym->hash_elt.name = pool_strdup(&module->pool, typename);
153 hash_table_add(&module->ht_types, &sym->hash_elt);
154 } else sym->hash_elt.name = NULL;
155 sym->bt = bt;
156 sym->size = size;
157 symt_add_type(module, &sym->symt);
158 }
159 return sym;
160 }
161
162 struct symt_udt* symt_new_udt(struct module* module, const char* typename,
163 unsigned size, enum UdtKind kind)
164 {
165 struct symt_udt* sym;
166
167 TRACE_(dbghelp_symt)("Adding udt %s:%s\n", module->module.ModuleName, typename);
168 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
169 {
170 sym->symt.tag = SymTagUDT;
171 sym->kind = kind;
172 sym->size = size;
173 if (typename)
174 {
175 sym->hash_elt.name = pool_strdup(&module->pool, typename);
176 hash_table_add(&module->ht_types, &sym->hash_elt);
177 } else sym->hash_elt.name = NULL;
178 vector_init(&sym->vchildren, sizeof(struct symt*), 8);
179 symt_add_type(module, &sym->symt);
180 }
181 return sym;
182 }
183
184 BOOL symt_set_udt_size(struct module* module, struct symt_udt* udt, unsigned size)
185 {
186 assert(udt->symt.tag == SymTagUDT);
187 if (vector_length(&udt->vchildren) != 0)
188 {
189 if (udt->size != size)
190 FIXME_(dbghelp_symt)("Changing size for %s from %u to %u\n",
191 udt->hash_elt.name, udt->size, size);
192 return TRUE;
193 }
194 udt->size = size;
195 return TRUE;
196 }
197
198 /******************************************************************
199 * symt_add_udt_element
200 *
201 * add an element to a udt (struct, class, union)
202 * the size & offset parameters are expressed in bits (not bytes) so that
203 * we can mix in the single call bytes aligned elements (regular fields) and
204 * the others (bit fields)
205 */
206 BOOL symt_add_udt_element(struct module* module, struct symt_udt* udt_type,
207 const char* name, struct symt* elt_type,
208 unsigned offset, unsigned size)
209 {
210 struct symt_data* m;
211 struct symt** p;
212
213 assert(udt_type->symt.tag == SymTagUDT);
214
215 TRACE_(dbghelp_symt)("Adding %s to UDT %s\n", name, udt_type->hash_elt.name);
216 p = NULL;
217 while ((p = vector_iter_up(&udt_type->vchildren, p)))
218 {
219 m = (struct symt_data*)*p;
220 assert(m);
221 assert(m->symt.tag == SymTagData);
222 if (m->hash_elt.name[0] == name[0] && strcmp(m->hash_elt.name, name) == 0)
223 return TRUE;
224 }
225
226 if ((m = pool_alloc(&module->pool, sizeof(*m))) == NULL) return FALSE;
227 memset(m, 0, sizeof(*m));
228 m->symt.tag = SymTagData;
229 m->hash_elt.name = pool_strdup(&module->pool, name);
230 m->hash_elt.next = NULL;
231
232 m->kind = DataIsMember;
233 m->container = &udt_type->symt;
234 m->type = elt_type;
235 m->u.s.offset = offset;
236 m->u.s.length = ((offset & 7) || (size & 7)) ? size : 0;
237 m->u.s.reg_id = 0;
238 p = vector_add(&udt_type->vchildren, &module->pool);
239 *p = &m->symt;
240
241 return TRUE;
242 }
243
244 struct symt_enum* symt_new_enum(struct module* module, const char* typename)
245 {
246 struct symt_enum* sym;
247
248 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
249 {
250 sym->symt.tag = SymTagEnum;
251 sym->name = (typename) ? pool_strdup(&module->pool, typename) : NULL;
252 vector_init(&sym->vchildren, sizeof(struct symt*), 8);
253 }
254 return sym;
255 }
256
257 BOOL symt_add_enum_element(struct module* module, struct symt_enum* enum_type,
258 const char* name, int value)
259 {
260 struct symt_data* e;
261 struct symt** p;
262
263 assert(enum_type->symt.tag == SymTagEnum);
264 e = pool_alloc(&module->pool, sizeof(*e));
265 if (e == NULL) return FALSE;
266
267 e->symt.tag = SymTagData;
268 e->hash_elt.name = pool_strdup(&module->pool, name);
269 e->hash_elt.next = NULL;
270 e->kind = DataIsConstant;
271 e->container = &enum_type->symt;
272 /* CV defines the underlying type for the enumeration */
273 e->type = &symt_new_basic(module, btInt, "int", 4)->symt;
274 e->u.value.n1.n2.vt = VT_I4;
275 e->u.value.n1.n2.n3.lVal = value;
276
277 p = vector_add(&enum_type->vchildren, &module->pool);
278 if (!p) return FALSE; /* FIXME we leak e */
279 *p = &e->symt;
280
281 return TRUE;
282 }
283
284 struct symt_array* symt_new_array(struct module* module, int min, int max,
285 struct symt* base)
286 {
287 struct symt_array* sym;
288
289 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
290 {
291 sym->symt.tag = SymTagArrayType;
292 sym->start = min;
293 sym->end = max;
294 sym->basetype = base;
295 symt_add_type(module, &sym->symt);
296 }
297 return sym;
298 }
299
300 struct symt_function_signature* symt_new_function_signature(struct module* module,
301 struct symt* ret_type)
302 {
303 struct symt_function_signature* sym;
304
305 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
306 {
307 sym->symt.tag = SymTagFunctionType;
308 sym->rettype = ret_type;
309 vector_init(&sym->vchildren, sizeof(struct symt*), 4);
310 symt_add_type(module, &sym->symt);
311 }
312 return sym;
313 }
314
315 BOOL symt_add_function_signature_parameter(struct module* module,
316 struct symt_function_signature* sig_type,
317 struct symt* param)
318 {
319 struct symt** p;
320
321 assert(sig_type->symt.tag == SymTagFunctionType);
322 p = vector_add(&sig_type->vchildren, &module->pool);
323 if (!p) return FALSE; /* FIXME we leak e */
324 *p = param;
325
326 return TRUE;
327 }
328
329 struct symt_pointer* symt_new_pointer(struct module* module, struct symt* ref_type)
330 {
331 struct symt_pointer* sym;
332
333 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
334 {
335 sym->symt.tag = SymTagPointerType;
336 sym->pointsto = ref_type;
337 symt_add_type(module, &sym->symt);
338 }
339 return sym;
340 }
341
342 struct symt_typedef* symt_new_typedef(struct module* module, struct symt* ref,
343 const char* name)
344 {
345 struct symt_typedef* sym;
346
347 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
348 {
349 sym->symt.tag = SymTagTypedef;
350 sym->type = ref;
351 sym->hash_elt.name = pool_strdup(&module->pool, name);
352 hash_table_add(&module->ht_types, &sym->hash_elt);
353 symt_add_type(module, &sym->symt);
354 }
355 return sym;
356 }
357
358 /******************************************************************
359 * SymEnumTypes (DBGHELP.@)
360 *
361 */
362 BOOL WINAPI SymEnumTypes(HANDLE hProcess, unsigned long BaseOfDll,
363 PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
364 void* UserContext)
365 {
366 struct process* pcs;
367 struct module* module;
368 char buffer[sizeof(SYMBOL_INFO) + 256];
369 SYMBOL_INFO* sym_info = (SYMBOL_INFO*)buffer;
370 const char* tmp;
371 struct symt* type;
372 void* pos = NULL;
373
374 TRACE("(%p %08lx %p %p)\n",
375 hProcess, BaseOfDll, EnumSymbolsCallback, UserContext);
376
377 if (!(pcs = process_find_by_handle(hProcess))) return FALSE;
378 module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
379 if (!(module = module_get_debug(pcs, module))) return FALSE;
380
381 sym_info->SizeOfStruct = sizeof(SYMBOL_INFO);
382 sym_info->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO);
383
384 while ((pos = vector_iter_up(&module->vtypes, pos)))
385 {
386 type = *(struct symt**)pos;
387 sym_info->TypeIndex = (DWORD)type;
388 sym_info->info = 0; /* FIXME */
389 symt_get_info(type, TI_GET_LENGTH, &sym_info->Size);
390 sym_info->ModBase = module->module.BaseOfImage;
391 sym_info->Flags = 0; /* FIXME */
392 sym_info->Value = 0; /* FIXME */
393 sym_info->Address = 0; /* FIXME */
394 sym_info->Register = 0; /* FIXME */
395 sym_info->Scope = 0; /* FIXME */
396 sym_info->Tag = type->tag;
397 tmp = symt_get_name(type);
398 if (tmp)
399 {
400 sym_info->NameLen = strlen(tmp) + 1;
401 strncpy(sym_info->Name, tmp, min(sym_info->NameLen, sym_info->MaxNameLen));
402 sym_info->Name[sym_info->MaxNameLen - 1] = '\0';
403 }
404 else sym_info->Name[sym_info->NameLen = 0] = '\0';
405 if (!EnumSymbolsCallback(sym_info, sym_info->Size, UserContext)) break;
406 }
407 return TRUE;
408 }
409
410 /******************************************************************
411 * symt_get_info
412 *
413 * Retrieves inforamtion about a symt (either symbol or type)
414 */
415 BOOL symt_get_info(const struct symt* type, IMAGEHLP_SYMBOL_TYPE_INFO req,
416 void* pInfo)
417 {
418 unsigned len;
419
420 if (!type) return FALSE;
421
422 /* helper to typecast pInfo to its expected type (_t) */
423 #define X(_t) (*((_t*)pInfo))
424
425 switch (req)
426 {
427 case TI_FINDCHILDREN:
428 {
429 const struct vector* v;
430 struct symt** pt;
431 unsigned i;
432 TI_FINDCHILDREN_PARAMS* tifp = pInfo;
433
434 switch (type->tag)
435 {
436 case SymTagUDT: v = &((const struct symt_udt*)type)->vchildren; break;
437 case SymTagEnum: v = &((const struct symt_enum*)type)->vchildren; break;
438 case SymTagFunctionType: v = &((const struct symt_function_signature*)type)->vchildren; break;
439 case SymTagFunction: v = &((const struct symt_function*)type)->vchildren; break;
440 default:
441 FIXME("Unsupported sym-tag %s for find-children\n",
442 symt_get_tag_str(type->tag));
443 return FALSE;
444 }
445 for (i = 0; i < tifp->Count; i++)
446 {
447 if (!(pt = vector_at(v, tifp->Start + i))) return FALSE;
448 tifp->ChildId[i] = (DWORD)*pt;
449 }
450 }
451 break;
452
453 case TI_GET_ADDRESS:
454 switch (type->tag)
455 {
456 case SymTagData:
457 switch (((const struct symt_data*)type)->kind)
458 {
459 case DataIsGlobal:
460 case DataIsFileStatic:
461 X(DWORD) = ((const struct symt_data*)type)->u.address;
462 break;
463 default: return FALSE;
464 }
465 break;
466 case SymTagFunction:
467 X(DWORD) = ((const struct symt_function*)type)->address;
468 break;
469 case SymTagPublicSymbol:
470 X(DWORD) = ((const struct symt_public*)type)->address;
471 break;
472 case SymTagFuncDebugStart:
473 case SymTagFuncDebugEnd:
474 case SymTagLabel:
475 X(DWORD) = ((const struct symt_function_point*)type)->parent->address +
476 ((const struct symt_function_point*)type)->offset;
477 break;
478 case SymTagThunk:
479 X(DWORD) = ((const struct symt_thunk*)type)->address;
480 break;
481 default:
482 FIXME("Unsupported sym-tag %s for get-address\n",
483 symt_get_tag_str(type->tag));
484 return FALSE;
485 }
486 break;
487
488 case TI_GET_BASETYPE:
489 switch (type->tag)
490 {
491 case SymTagBaseType:
492 X(DWORD) = ((const struct symt_basic*)type)->bt;
493 break;
494 case SymTagEnum:
495 X(DWORD) = btInt;
496 break;
497 default:
498 return FALSE;
499 }
500 break;
501
502 case TI_GET_BITPOSITION:
503 if (type->tag != SymTagData ||
504 ((const struct symt_data*)type)->kind != DataIsMember ||
505 ((const struct symt_data*)type)->u.s.length == 0)
506 return FALSE;
507 X(DWORD) = ((const struct symt_data*)type)->u.s.offset & 7;
508 break;
509
510 case TI_GET_CHILDRENCOUNT:
511 switch (type->tag)
512 {
513 case SymTagUDT:
514 X(DWORD) = vector_length(&((const struct symt_udt*)type)->vchildren);
515 break;
516 case SymTagEnum:
517 X(DWORD) = vector_length(&((const struct symt_enum*)type)->vchildren);
518 break;
519 case SymTagFunctionType:
520 X(DWORD) = vector_length(&((const struct symt_function_signature*)type)->vchildren);
521 break;
522 case SymTagFunction:
523 X(DWORD) = vector_length(&((const struct symt_function*)type)->vchildren);
524 break;
525 case SymTagPointerType: /* MS does it that way */
526 case SymTagArrayType: /* MS does it that way */
527 case SymTagThunk: /* MS does it that way */
528 X(DWORD) = 0;
529 break;
530 default:
531 FIXME("Unsupported sym-tag %s for get-children-count\n",
532 symt_get_tag_str(type->tag));
533 /* fall through */
534 case SymTagData:
535 case SymTagPublicSymbol:
536 case SymTagBaseType:
537 return FALSE;
538 }
539 break;
540
541 case TI_GET_COUNT:
542 /* it seems that FunctionType also react to GET_COUNT (same value as
543 * GET_CHILDREN_COUNT ?, except for C++ methods, where it seems to
544 * also include 'this' (GET_CHILDREN_COUNT+1)
545 */
546 if (type->tag != SymTagArrayType) return FALSE;
547 X(DWORD) = ((const struct symt_array*)type)->end -
548 ((const struct symt_array*)type)->start + 1;
549 break;
550
551 case TI_GET_DATAKIND:
552 if (type->tag != SymTagData) return FALSE;
553 X(DWORD) = ((const struct symt_data*)type)->kind;
554 break;
555
556 case TI_GET_LENGTH:
557 switch (type->tag)
558 {
559 case SymTagBaseType:
560 X(DWORD) = ((const struct symt_basic*)type)->size;
561 break;
562 case SymTagFunction:
563 X(DWORD) = ((const struct symt_function*)type)->size;
564 break;
565 case SymTagPointerType:
566 X(DWORD) = sizeof(void*);
567 break;
568 case SymTagUDT:
569 X(DWORD) = ((const struct symt_udt*)type)->size;
570 break;
571 case SymTagEnum:
572 X(DWORD) = sizeof(int); /* FIXME: should be size of base-type of enum !!! */
573 break;
574 case SymTagData:
575 if (((const struct symt_data*)type)->kind != DataIsMember ||
576 !((const struct symt_data*)type)->u.s.length)
577 return FALSE;
578 X(DWORD) = ((const struct symt_data*)type)->u.s.length;
579 break;
580 case SymTagArrayType:
581 if (!symt_get_info(((const struct symt_array*)type)->basetype,
582 TI_GET_LENGTH, pInfo))
583 return FALSE;
584 X(DWORD) *= ((const struct symt_array*)type)->end -
585 ((const struct symt_array*)type)->start + 1;
586 break;
587 case SymTagPublicSymbol:
588 X(DWORD) = ((const struct symt_public*)type)->size;
589 break;
590 case SymTagTypedef:
591 return symt_get_info(((const struct symt_typedef*)type)->type, TI_GET_LENGTH, pInfo);
592 break;
593 case SymTagThunk:
594 X(DWORD) = ((const struct symt_thunk*)type)->size;
595 break;
596 default:
597 FIXME("Unsupported sym-tag %s for get-length\n",
598 symt_get_tag_str(type->tag));
599 /* fall through */
600 case SymTagFunctionType:
601 return 0;
602 }
603 break;
604
605 case TI_GET_LEXICALPARENT:
606 switch (type->tag)
607 {
608 case SymTagBlock:
609 X(DWORD) = (DWORD)((const struct symt_block*)type)->container;
610 break;
611 case SymTagData:
612 X(DWORD) = (DWORD)((const struct symt_data*)type)->container;
613 break;
614 case SymTagFunction:
615 X(DWORD) = (DWORD)((const struct symt_function*)type)->container;
616 break;
617 case SymTagThunk:
618 X(DWORD) = (DWORD)((const struct symt_thunk*)type)->container;
619 break;
620 default:
621 FIXME("Unsupported sym-tag %s for get-lexical-parent\n",
622 symt_get_tag_str(type->tag));
623 return FALSE;
624 }
625 break;
626
627 case TI_GET_NESTED:
628 switch (type->tag)
629 {
630 case SymTagUDT:
631 case SymTagEnum:
632 X(DWORD) = 0;
633 break;
634 default:
635 return FALSE;
636 }
637 break;
638
639 case TI_GET_OFFSET:
640 switch (type->tag)
641 {
642 case SymTagData:
643 switch (((const struct symt_data*)type)->kind)
644 {
645 case DataIsParam:
646 case DataIsLocal:
647 case DataIsMember:
648 X(ULONG) = ((const struct symt_data*)type)->u.s.offset >> 3;
649 break;
650 default:
651 FIXME("Unknown kind (%u) for get-offset\n",
652 ((const struct symt_data*)type)->kind);
653 return FALSE;
654 }
655 break;
656 default:
657 FIXME("Unsupported sym-tag %s for get-offset\n",
658 symt_get_tag_str(type->tag));
659 return FALSE;
660 }
661 break;
662
663 case TI_GET_SYMNAME:
664 {
665 const char* name = symt_get_name(type);
666 if (!name) return FALSE;
667 len = MultiByteToWideChar(CP_ACP, 0, name, -1, NULL, 0);
668 X(WCHAR*) = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
669 if (!X(WCHAR*)) return FALSE;
670 MultiByteToWideChar(CP_ACP, 0, name, -1, X(WCHAR*), len);
671 }
672 break;
673
674 case TI_GET_SYMTAG:
675 X(DWORD) = type->tag;
676 break;
677
678 case TI_GET_TYPE:
679 case TI_GET_TYPEID:
680 switch (type->tag)
681 {
682 /* hierarchical => hierarchical */
683 case SymTagArrayType:
684 X(DWORD) = (DWORD)((const struct symt_array*)type)->basetype;
685 break;
686 case SymTagPointerType:
687 X(DWORD) = (DWORD)((const struct symt_pointer*)type)->pointsto;
688 break;
689 case SymTagFunctionType:
690 X(DWORD) = (DWORD)((const struct symt_function_signature*)type)->rettype;
691 break;
692 case SymTagTypedef:
693 X(DWORD) = (DWORD)((const struct symt_typedef*)type)->type;
694 break;
695 /* lexical => hierarchical */
696 case SymTagData:
697 X(DWORD) = (DWORD)((const struct symt_data*)type)->type;
698 break;
699 case SymTagFunction:
700 X(DWORD) = (DWORD)((const struct symt_function*)type)->type;
701 break;
702 /* FIXME: should also work for enums and FunctionArgType */
703 default:
704 FIXME("Unsupported sym-tag %s for get-type\n",
705 symt_get_tag_str(type->tag));
706 case SymTagThunk:
707 return FALSE;
708 }
709 break;
710
711 case TI_GET_UDTKIND:
712 if (type->tag != SymTagUDT) return FALSE;
713 X(DWORD) = ((const struct symt_udt*)type)->kind;
714 break;
715
716 case TI_GET_VALUE:
717 if (type->tag != SymTagData || ((const struct symt_data*)type)->kind != DataIsConstant)
718 return FALSE;
719 X(VARIANT) = ((const struct symt_data*)type)->u.value;
720 break;
721
722 #undef X
723
724 case TI_GET_ADDRESSOFFSET:
725 case TI_GET_ARRAYINDEXTYPEID:
726 case TI_GET_CALLING_CONVENTION:
727 case TI_GET_CLASSPARENTID:
728 case TI_GET_SYMINDEX:
729 case TI_GET_THISADJUST:
730 case TI_GET_VIRTUALBASECLASS:
731 case TI_GET_VIRTUALBASEPOINTEROFFSET:
732 case TI_GET_VIRTUALTABLESHAPEID:
733 case TI_IS_EQUIV_TO:
734 FIXME("Unsupported GetInfo request (%u)\n", req);
735 return FALSE;
736 }
737
738 return TRUE;
739 }
740
741 /******************************************************************
742 * SymGetTypeInfo (DBGHELP.@)
743 *
744 */
745 BOOL WINAPI SymGetTypeInfo(HANDLE hProcess, unsigned long ModBase,
746 ULONG TypeId, IMAGEHLP_SYMBOL_TYPE_INFO GetType,
747 PVOID pInfo)
748 {
749 struct process* pcs = process_find_by_handle(hProcess);
750 struct module* module;
751
752 if (!pcs) return FALSE;
753
754 module = module_find_by_addr(pcs, ModBase, DMT_UNKNOWN);
755 if (!(module = module_get_debug(pcs, module)))
756 {
757 FIXME("Someone didn't properly set ModBase (0x%08lx)\n", ModBase);
758 return FALSE;
759 }
760
761 return symt_get_info((struct symt*)TypeId, GetType, pInfo);
762 }
763
764 /******************************************************************
765 * SymGetTypeFromName (DBGHELP.@)
766 *
767 */
768 BOOL WINAPI SymGetTypeFromName(HANDLE hProcess, unsigned long BaseOfDll,
769 LPSTR Name, PSYMBOL_INFO Symbol)
770 {
771 struct process* pcs = process_find_by_handle(hProcess);
772 struct module* module;
773 struct symt* type;
774
775 if (!pcs) return FALSE;
776 module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
777 if (!module) return FALSE;
778 type = symt_find_type_by_name(module, SymTagNull, Name);
779 if (!type) return FALSE;
780 Symbol->TypeIndex = (DWORD)type;
781
782 return TRUE;
783 }
Windows API implementation