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user32: Fix a message test that would only pass on wine.
[wine.git] / dlls / dbghelp / type.c
blob7978a1c55907776b1215504e0c81797f3f189d2d
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "winnls.h"
32 #include "wine/debug.h"
33 #include "dbghelp_private.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
36 WINE_DECLARE_DEBUG_CHANNEL(dbghelp_symt);
37
38 static const char* symt_get_tag_str(DWORD tag)
39 {
40 switch (tag)
41 {
42 case SymTagNull: return "SymTagNull";
43 case SymTagExe: return "SymTagExe";
44 case SymTagCompiland: return "SymTagCompiland";
45 case SymTagCompilandDetails: return "SymTagCompilandDetails";
46 case SymTagCompilandEnv: return "SymTagCompilandEnv";
47 case SymTagFunction: return "SymTagFunction";
48 case SymTagBlock: return "SymTagBlock";
49 case SymTagData: return "SymTagData";
50 case SymTagAnnotation: return "SymTagAnnotation";
51 case SymTagLabel: return "SymTagLabel";
52 case SymTagPublicSymbol: return "SymTagPublicSymbol";
53 case SymTagUDT: return "SymTagUDT";
54 case SymTagEnum: return "SymTagEnum";
55 case SymTagFunctionType: return "SymTagFunctionType";
56 case SymTagPointerType: return "SymTagPointerType";
57 case SymTagArrayType: return "SymTagArrayType";
58 case SymTagBaseType: return "SymTagBaseType";
59 case SymTagTypedef: return "SymTagTypedef,";
60 case SymTagBaseClass: return "SymTagBaseClass";
61 case SymTagFriend: return "SymTagFriend";
62 case SymTagFunctionArgType: return "SymTagFunctionArgType,";
63 case SymTagFuncDebugStart: return "SymTagFuncDebugStart,";
64 case SymTagFuncDebugEnd: return "SymTagFuncDebugEnd";
65 case SymTagUsingNamespace: return "SymTagUsingNamespace,";
66 case SymTagVTableShape: return "SymTagVTableShape";
67 case SymTagVTable: return "SymTagVTable";
68 case SymTagCustom: return "SymTagCustom";
69 case SymTagThunk: return "SymTagThunk";
70 case SymTagCustomType: return "SymTagCustomType";
71 case SymTagManagedType: return "SymTagManagedType";
72 case SymTagDimension: return "SymTagDimension";
73 default: return "---";
74 }
75 }
76
77 const char* symt_get_name(const struct symt* sym)
78 {
79 switch (sym->tag)
80 {
81 /* lexical tree */
82 case SymTagData: return ((const struct symt_data*)sym)->hash_elt.name;
83 case SymTagFunction: return ((const struct symt_function*)sym)->hash_elt.name;
84 case SymTagPublicSymbol: return ((const struct symt_public*)sym)->hash_elt.name;
85 case SymTagBaseType: return ((const struct symt_basic*)sym)->hash_elt.name;
86 case SymTagLabel: return ((const struct symt_hierarchy_point*)sym)->hash_elt.name;
87 case SymTagThunk: return ((const struct symt_thunk*)sym)->hash_elt.name;
88 /* hierarchy tree */
89 case SymTagEnum: return ((const struct symt_enum*)sym)->name;
90 case SymTagTypedef: return ((const struct symt_typedef*)sym)->hash_elt.name;
91 case SymTagUDT: return ((const struct symt_udt*)sym)->hash_elt.name;
92 default:
93 FIXME("Unsupported sym-tag %s\n", symt_get_tag_str(sym->tag));
94 /* fall through */
95 case SymTagArrayType:
96 case SymTagPointerType:
97 case SymTagFunctionType:
98 return NULL;
99 }
100 }
101
102 static struct symt* symt_find_type_by_name(const struct module* module,
103 enum SymTagEnum sym_tag,
104 const char* typename)
105 {
106 void* ptr;
107 struct symt_ht* type;
108 struct hash_table_iter hti;
109
110 assert(typename);
111 assert(module);
112
113 hash_table_iter_init(&module->ht_types, &hti, typename);
114 while ((ptr = hash_table_iter_up(&hti)))
115 {
116 type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
117
118 if ((sym_tag == SymTagNull || type->symt.tag == sym_tag) &&
119 type->hash_elt.name && !strcmp(type->hash_elt.name, typename))
120 return &type->symt;
121 }
122 SetLastError(ERROR_INVALID_NAME); /* FIXME ?? */
123 return NULL;
124 }
125
126 static void symt_add_type(struct module* module, struct symt* symt)
127 {
128 struct symt** p;
129 p = vector_add(&module->vtypes, &module->pool);
130 assert(p);
131 *p = symt;
132 }
133
134 struct symt_basic* symt_new_basic(struct module* module, enum BasicType bt,
135 const char* typename, unsigned size)
136 {
137 struct symt_basic* sym;
138
139 if (typename)
140 {
141 sym = (struct symt_basic*)symt_find_type_by_name(module, SymTagBaseType,
142 typename);
143 if (sym && sym->bt == bt && sym->size == size)
144 return sym;
145 }
146 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
147 {
148 sym->symt.tag = SymTagBaseType;
149 if (typename)
150 {
151 sym->hash_elt.name = pool_strdup(&module->pool, typename);
152 hash_table_add(&module->ht_types, &sym->hash_elt);
153 } else sym->hash_elt.name = NULL;
154 sym->bt = bt;
155 sym->size = size;
156 symt_add_type(module, &sym->symt);
157 }
158 return sym;
159 }
160
161 struct symt_udt* symt_new_udt(struct module* module, const char* typename,
162 unsigned size, enum UdtKind kind)
163 {
164 struct symt_udt* sym;
165
166 TRACE_(dbghelp_symt)("Adding udt %s:%s\n",
167 debugstr_w(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 if (name)
217 {
218 int i;
219 for (i=0; i<vector_length(&udt_type->vchildren); i++)
220 {
221 m = *(struct symt_data**)vector_at(&udt_type->vchildren, i);
222 assert(m);
223 assert(m->symt.tag == SymTagData);
224 if (strcmp(m->hash_elt.name, name) == 0)
225 return TRUE;
226 }
227 }
228
229 if ((m = pool_alloc(&module->pool, sizeof(*m))) == NULL) return FALSE;
230 memset(m, 0, sizeof(*m));
231 m->symt.tag = SymTagData;
232 m->hash_elt.name = name ? pool_strdup(&module->pool, name) : "";
233 m->hash_elt.next = NULL;
234
235 m->kind = DataIsMember;
236 m->container = &udt_type->symt;
237 m->type = elt_type;
238 m->u.member.offset = offset;
239 m->u.member.length = ((offset & 7) || (size & 7)) ? size : 0;
240 p = vector_add(&udt_type->vchildren, &module->pool);
241 *p = &m->symt;
242
243 return TRUE;
244 }
245
246 struct symt_enum* symt_new_enum(struct module* module, const char* typename,
247 struct symt* basetype)
248 {
249 struct symt_enum* sym;
250
251 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
252 {
253 sym->symt.tag = SymTagEnum;
254 sym->name = (typename) ? pool_strdup(&module->pool, typename) : NULL;
255 sym->base_type = basetype;
256 vector_init(&sym->vchildren, sizeof(struct symt*), 8);
257 }
258 return sym;
259 }
260
261 BOOL symt_add_enum_element(struct module* module, struct symt_enum* enum_type,
262 const char* name, int value)
263 {
264 struct symt_data* e;
265 struct symt** p;
266
267 assert(enum_type->symt.tag == SymTagEnum);
268 e = pool_alloc(&module->pool, sizeof(*e));
269 if (e == NULL) return FALSE;
270
271 e->symt.tag = SymTagData;
272 e->hash_elt.name = pool_strdup(&module->pool, name);
273 e->hash_elt.next = NULL;
274 e->kind = DataIsConstant;
275 e->container = &enum_type->symt;
276 e->type = enum_type->base_type;
277 e->u.value.n1.n2.vt = VT_I4;
278 e->u.value.n1.n2.n3.lVal = value;
279
280 p = vector_add(&enum_type->vchildren, &module->pool);
281 if (!p) return FALSE; /* FIXME we leak e */
282 *p = &e->symt;
283
284 return TRUE;
285 }
286
287 struct symt_array* symt_new_array(struct module* module, int min, int max,
288 struct symt* base, struct symt* index)
289 {
290 struct symt_array* sym;
291
292 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
293 {
294 sym->symt.tag = SymTagArrayType;
295 sym->start = min;
296 sym->end = max;
297 sym->base_type = base;
298 sym->index_type = index;
299 symt_add_type(module, &sym->symt);
300 }
301 return sym;
302 }
303
304 struct symt_function_signature* symt_new_function_signature(struct module* module,
305 struct symt* ret_type,
306 enum CV_call_e call_conv)
307 {
308 struct symt_function_signature* sym;
309
310 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
311 {
312 sym->symt.tag = SymTagFunctionType;
313 sym->rettype = ret_type;
314 vector_init(&sym->vchildren, sizeof(struct symt*), 4);
315 sym->call_conv = call_conv;
316 symt_add_type(module, &sym->symt);
317 }
318 return sym;
319 }
320
321 BOOL symt_add_function_signature_parameter(struct module* module,
322 struct symt_function_signature* sig_type,
323 struct symt* param)
324 {
325 struct symt** p;
326 struct symt_function_arg_type* arg;
327
328 assert(sig_type->symt.tag == SymTagFunctionType);
329 arg = pool_alloc(&module->pool, sizeof(*arg));
330 if (!arg) return FALSE;
331 arg->symt.tag = SymTagFunctionArgType;
332 arg->arg_type = param;
333 arg->container = &sig_type->symt;
334 p = vector_add(&sig_type->vchildren, &module->pool);
335 if (!p) return FALSE; /* FIXME we leak arg */
336 *p = &arg->symt;
337
338 return TRUE;
339 }
340
341 struct symt_pointer* symt_new_pointer(struct module* module, struct symt* ref_type)
342 {
343 struct symt_pointer* sym;
344
345 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
346 {
347 sym->symt.tag = SymTagPointerType;
348 sym->pointsto = ref_type;
349 symt_add_type(module, &sym->symt);
350 }
351 return sym;
352 }
353
354 struct symt_typedef* symt_new_typedef(struct module* module, struct symt* ref,
355 const char* name)
356 {
357 struct symt_typedef* sym;
358
359 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
360 {
361 sym->symt.tag = SymTagTypedef;
362 sym->type = ref;
363 sym->hash_elt.name = pool_strdup(&module->pool, name);
364 hash_table_add(&module->ht_types, &sym->hash_elt);
365 symt_add_type(module, &sym->symt);
366 }
367 return sym;
368 }
369
370 /******************************************************************
371 * SymEnumTypes (DBGHELP.@)
372 *
373 */
374 BOOL WINAPI SymEnumTypes(HANDLE hProcess, ULONG64 BaseOfDll,
375 PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
376 PVOID UserContext)
377 {
378 struct module_pair pair;
379 char buffer[sizeof(SYMBOL_INFO) + 256];
380 SYMBOL_INFO* sym_info = (SYMBOL_INFO*)buffer;
381 const char* tmp;
382 struct symt* type;
383 DWORD64 size;
384 int i;
385
386 TRACE("(%p %s %p %p)\n",
387 hProcess, wine_dbgstr_longlong(BaseOfDll), EnumSymbolsCallback,
388 UserContext);
389
390 if (!(pair.pcs = process_find_by_handle(hProcess))) return FALSE;
391 pair.requested = module_find_by_addr(pair.pcs, BaseOfDll, DMT_UNKNOWN);
392 if (!module_get_debug(&pair)) return FALSE;
393
394 sym_info->SizeOfStruct = sizeof(SYMBOL_INFO);
395 sym_info->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO);
396
397 for (i=0; i<vector_length(&pair.effective->vtypes); i++)
398 {
399 type = *(struct symt**)vector_at(&pair.effective->vtypes, i);
400 sym_info->TypeIndex = (DWORD)type;
401 sym_info->info = 0; /* FIXME */
402 symt_get_info(type, TI_GET_LENGTH, &size);
403 sym_info->Size = size;
404 sym_info->ModBase = pair.requested->module.BaseOfImage;
405 sym_info->Flags = 0; /* FIXME */
406 sym_info->Value = 0; /* FIXME */
407 sym_info->Address = 0; /* FIXME */
408 sym_info->Register = 0; /* FIXME */
409 sym_info->Scope = 0; /* FIXME */
410 sym_info->Tag = type->tag;
411 tmp = symt_get_name(type);
412 if (tmp)
413 {
414 sym_info->NameLen = min(strlen(tmp),sym_info->MaxNameLen-1);
415 memcpy(sym_info->Name, tmp, sym_info->NameLen);
416 sym_info->Name[sym_info->NameLen] = '\0';
417 }
418 else
419 sym_info->Name[sym_info->NameLen = 0] = '\0';
420 if (!EnumSymbolsCallback(sym_info, sym_info->Size, UserContext)) break;
421 }
422 return TRUE;
423 }
424
425 struct enum_types_AtoW
426 {
427 char buffer[sizeof(SYMBOL_INFOW) + 256 * sizeof(WCHAR)];
428 void* user;
429 PSYM_ENUMERATESYMBOLS_CALLBACKW callback;
430 };
431
432 BOOL CALLBACK enum_types_AtoW(PSYMBOL_INFO si, ULONG addr, PVOID _et)
433 {
434 struct enum_types_AtoW* et = _et;
435 SYMBOL_INFOW* siW = (SYMBOL_INFOW*)et->buffer;
436
437 copy_symbolW(siW, si);
438 return et->callback(siW, addr, et->user);
439 }
440
441 /******************************************************************
442 * SymEnumTypesW (DBGHELP.@)
443 *
444 */
445 BOOL WINAPI SymEnumTypesW(HANDLE hProcess, ULONG64 BaseOfDll,
446 PSYM_ENUMERATESYMBOLS_CALLBACKW EnumSymbolsCallback,
447 PVOID UserContext)
448 {
449 struct enum_types_AtoW et;
450
451 et.callback = EnumSymbolsCallback;
452 et.user = UserContext;
453
454 return SymEnumTypes(hProcess, BaseOfDll, enum_types_AtoW, &et);
455 }
456
457 /******************************************************************
458 * symt_get_info
459 *
460 * Retrieves information about a symt (either symbol or type)
461 */
462 BOOL symt_get_info(const struct symt* type, IMAGEHLP_SYMBOL_TYPE_INFO req,
463 void* pInfo)
464 {
465 unsigned len;
466
467 if (!type) return FALSE;
468
469 /* helper to typecast pInfo to its expected type (_t) */
470 #define X(_t) (*((_t*)pInfo))
471
472 switch (req)
473 {
474 case TI_FINDCHILDREN:
475 {
476 const struct vector* v;
477 struct symt** pt;
478 unsigned i;
479 TI_FINDCHILDREN_PARAMS* tifp = pInfo;
480
481 switch (type->tag)
482 {
483 case SymTagUDT: v = &((const struct symt_udt*)type)->vchildren; break;
484 case SymTagEnum: v = &((const struct symt_enum*)type)->vchildren; break;
485 case SymTagFunctionType: v = &((const struct symt_function_signature*)type)->vchildren; break;
486 case SymTagFunction: v = &((const struct symt_function*)type)->vchildren; break;
487 default:
488 FIXME("Unsupported sym-tag %s for find-children\n",
489 symt_get_tag_str(type->tag));
490 return FALSE;
491 }
492 for (i = 0; i < tifp->Count; i++)
493 {
494 if (!(pt = vector_at(v, tifp->Start + i))) return FALSE;
495 tifp->ChildId[i] = (DWORD)*pt;
496 }
497 }
498 break;
499
500 case TI_GET_ADDRESS:
501 switch (type->tag)
502 {
503 case SymTagData:
504 switch (((const struct symt_data*)type)->kind)
505 {
506 case DataIsGlobal:
507 case DataIsFileStatic:
508 X(ULONG64) = ((const struct symt_data*)type)->u.var.offset;
509 break;
510 default: return FALSE;
511 }
512 break;
513 case SymTagFunction:
514 X(ULONG64) = ((const struct symt_function*)type)->address;
515 break;
516 case SymTagPublicSymbol:
517 X(ULONG64) = ((const struct symt_public*)type)->address;
518 break;
519 case SymTagFuncDebugStart:
520 case SymTagFuncDebugEnd:
521 case SymTagLabel:
522 if (!symt_get_info(((const struct symt_hierarchy_point*)type)->parent,
523 req, pInfo))
524 return FALSE;
525 X(ULONG64) += ((const struct symt_hierarchy_point*)type)->loc.offset;
526 break;
527 case SymTagThunk:
528 X(ULONG64) = ((const struct symt_thunk*)type)->address;
529 break;
530 case SymTagCompiland:
531 X(ULONG64) = ((const struct symt_compiland*)type)->address;
532 break;
533 default:
534 FIXME("Unsupported sym-tag %s for get-address\n",
535 symt_get_tag_str(type->tag));
536 return FALSE;
537 }
538 break;
539
540 case TI_GET_BASETYPE:
541 switch (type->tag)
542 {
543 case SymTagBaseType:
544 X(DWORD) = ((const struct symt_basic*)type)->bt;
545 break;
546 case SymTagEnum:
547 X(DWORD) = btInt;
548 break;
549 default:
550 return FALSE;
551 }
552 break;
553
554 case TI_GET_BITPOSITION:
555 if (type->tag == SymTagData &&
556 ((const struct symt_data*)type)->kind == DataIsMember &&
557 ((const struct symt_data*)type)->u.member.length != 0)
558 X(DWORD) = ((const struct symt_data*)type)->u.member.offset & 7;
559 else return FALSE;
560 break;
561
562 case TI_GET_CHILDRENCOUNT:
563 switch (type->tag)
564 {
565 case SymTagUDT:
566 X(DWORD) = vector_length(&((const struct symt_udt*)type)->vchildren);
567 break;
568 case SymTagEnum:
569 X(DWORD) = vector_length(&((const struct symt_enum*)type)->vchildren);
570 break;
571 case SymTagFunctionType:
572 X(DWORD) = vector_length(&((const struct symt_function_signature*)type)->vchildren);
573 break;
574 case SymTagFunction:
575 X(DWORD) = vector_length(&((const struct symt_function*)type)->vchildren);
576 break;
577 case SymTagPointerType: /* MS does it that way */
578 case SymTagArrayType: /* MS does it that way */
579 case SymTagThunk: /* MS does it that way */
580 X(DWORD) = 0;
581 break;
582 default:
583 FIXME("Unsupported sym-tag %s for get-children-count\n",
584 symt_get_tag_str(type->tag));
585 /* fall through */
586 case SymTagData:
587 case SymTagPublicSymbol:
588 case SymTagBaseType:
589 return FALSE;
590 }
591 break;
592
593 case TI_GET_COUNT:
594 switch (type->tag)
595 {
596 case SymTagArrayType:
597 X(DWORD) = ((const struct symt_array*)type)->end -
598 ((const struct symt_array*)type)->start + 1;
599 break;
600 case SymTagFunctionType:
601 /* this seems to be wrong for (future) C++ methods, where 'this' parameter
602 * should be included in this value (and not in GET_CHILDREN_COUNT)
603 */
604 X(DWORD) = vector_length(&((const struct symt_function_signature*)type)->vchildren);
605 break;
606 default: return FALSE;
607 }
608 break;
609
610 case TI_GET_DATAKIND:
611 if (type->tag != SymTagData) return FALSE;
612 X(DWORD) = ((const struct symt_data*)type)->kind;
613 break;
614
615 case TI_GET_LENGTH:
616 switch (type->tag)
617 {
618 case SymTagBaseType:
619 X(DWORD64) = ((const struct symt_basic*)type)->size;
620 break;
621 case SymTagFunction:
622 X(DWORD64) = ((const struct symt_function*)type)->size;
623 break;
624 case SymTagPointerType:
625 X(DWORD64) = sizeof(void*);
626 break;
627 case SymTagUDT:
628 X(DWORD64) = ((const struct symt_udt*)type)->size;
629 break;
630 case SymTagEnum:
631 X(DWORD64) = sizeof(int); /* FIXME: should be size of base-type of enum !!! */
632 break;
633 case SymTagData:
634 if (((const struct symt_data*)type)->kind != DataIsMember ||
635 !((const struct symt_data*)type)->u.member.length)
636 return FALSE;
637 X(DWORD64) = ((const struct symt_data*)type)->u.member.length;
638 break;
639 case SymTagArrayType:
640 if (!symt_get_info(((const struct symt_array*)type)->base_type,
641 TI_GET_LENGTH, pInfo))
642 return FALSE;
643 X(DWORD64) *= ((const struct symt_array*)type)->end -
644 ((const struct symt_array*)type)->start + 1;
645 break;
646 case SymTagPublicSymbol:
647 X(DWORD64) = ((const struct symt_public*)type)->size;
648 break;
649 case SymTagTypedef:
650 return symt_get_info(((const struct symt_typedef*)type)->type, TI_GET_LENGTH, pInfo);
651 case SymTagThunk:
652 X(DWORD64) = ((const struct symt_thunk*)type)->size;
653 break;
654 case SymTagLabel:
655 X(DWORD64) = 0;
656 break;
657 default:
658 FIXME("Unsupported sym-tag %s for get-length\n",
659 symt_get_tag_str(type->tag));
660 /* fall through */
661 case SymTagFunctionType:
662 return 0;
663 }
664 break;
665
666 case TI_GET_LEXICALPARENT:
667 switch (type->tag)
668 {
669 case SymTagBlock:
670 X(DWORD) = (DWORD)((const struct symt_block*)type)->container;
671 break;
672 case SymTagData:
673 X(DWORD) = (DWORD)((const struct symt_data*)type)->container;
674 break;
675 case SymTagFunction:
676 X(DWORD) = (DWORD)((const struct symt_function*)type)->container;
677 break;
678 case SymTagThunk:
679 X(DWORD) = (DWORD)((const struct symt_thunk*)type)->container;
680 break;
681 case SymTagFunctionArgType:
682 X(DWORD) = (DWORD)((const struct symt_function_arg_type*)type)->container;
683 break;
684 default:
685 FIXME("Unsupported sym-tag %s for get-lexical-parent\n",
686 symt_get_tag_str(type->tag));
687 return FALSE;
688 }
689 break;
690
691 case TI_GET_NESTED:
692 switch (type->tag)
693 {
694 case SymTagUDT:
695 case SymTagEnum:
696 X(DWORD) = 0;
697 break;
698 default:
699 return FALSE;
700 }
701 break;
702
703 case TI_GET_OFFSET:
704 switch (type->tag)
705 {
706 case SymTagData:
707 switch (((const struct symt_data*)type)->kind)
708 {
709 case DataIsParam:
710 case DataIsLocal:
711 X(ULONG) = ((const struct symt_data*)type)->u.var.offset;
712 break;
713 case DataIsMember:
714 X(ULONG) = ((const struct symt_data*)type)->u.member.offset >> 3;
715 break;
716 default:
717 FIXME("Unknown kind (%u) for get-offset\n",
718 ((const struct symt_data*)type)->kind);
719 return FALSE;
720 }
721 break;
722 default:
723 FIXME("Unsupported sym-tag %s for get-offset\n",
724 symt_get_tag_str(type->tag));
725 return FALSE;
726 }
727 break;
728
729 case TI_GET_SYMNAME:
730 {
731 const char* name = symt_get_name(type);
732 if (!name) return FALSE;
733 len = MultiByteToWideChar(CP_ACP, 0, name, -1, NULL, 0);
734 X(WCHAR*) = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
735 if (!X(WCHAR*)) return FALSE;
736 MultiByteToWideChar(CP_ACP, 0, name, -1, X(WCHAR*), len);
737 }
738 break;
739
740 case TI_GET_SYMTAG:
741 X(DWORD) = type->tag;
742 break;
743
744 case TI_GET_TYPE:
745 case TI_GET_TYPEID:
746 switch (type->tag)
747 {
748 /* hierarchical => hierarchical */
749 case SymTagArrayType:
750 X(DWORD) = (DWORD)((const struct symt_array*)type)->base_type;
751 break;
752 case SymTagPointerType:
753 X(DWORD) = (DWORD)((const struct symt_pointer*)type)->pointsto;
754 break;
755 case SymTagFunctionType:
756 X(DWORD) = (DWORD)((const struct symt_function_signature*)type)->rettype;
757 break;
758 case SymTagTypedef:
759 X(DWORD) = (DWORD)((const struct symt_typedef*)type)->type;
760 break;
761 /* lexical => hierarchical */
762 case SymTagData:
763 X(DWORD) = (DWORD)((const struct symt_data*)type)->type;
764 break;
765 case SymTagFunction:
766 X(DWORD) = (DWORD)((const struct symt_function*)type)->type;
767 break;
768 case SymTagEnum:
769 X(DWORD) = (DWORD)((const struct symt_enum*)type)->base_type;
770 break;
771 case SymTagFunctionArgType:
772 X(DWORD) = (DWORD)((const struct symt_function_arg_type*)type)->arg_type;
773 break;
774 default:
775 FIXME("Unsupported sym-tag %s for get-type\n",
776 symt_get_tag_str(type->tag));
777 case SymTagPublicSymbol:
778 case SymTagThunk:
779 case SymTagLabel:
780 return FALSE;
781 }
782 break;
783
784 case TI_GET_UDTKIND:
785 if (type->tag != SymTagUDT) return FALSE;
786 X(DWORD) = ((const struct symt_udt*)type)->kind;
787 break;
788
789 case TI_GET_VALUE:
790 if (type->tag != SymTagData || ((const struct symt_data*)type)->kind != DataIsConstant)
791 return FALSE;
792 X(VARIANT) = ((const struct symt_data*)type)->u.value;
793 break;
794
795 case TI_GET_CALLING_CONVENTION:
796 if (type->tag != SymTagFunctionType) return FALSE;
797 if (((const struct symt_function_signature*)type)->call_conv == -1)
798 {
799 FIXME("No support for calling convention for this signature\n");
800 X(DWORD) = CV_CALL_FAR_C; /* FIXME */
801 }
802 else X(DWORD) = ((const struct symt_function_signature*)type)->call_conv;
803 break;
804 case TI_GET_ARRAYINDEXTYPEID:
805 if (type->tag != SymTagArrayType) return FALSE;
806 X(DWORD) = (DWORD)((const struct symt_array*)type)->index_type;
807 break;
808
809 case TI_GET_CLASSPARENTID:
810 /* FIXME: we don't support properly C++ for now, pretend this symbol doesn't
811 * belong to a parent class
812 */
813 return FALSE;
814
815 #undef X
816
817 case TI_GET_ADDRESSOFFSET:
818 case TI_GET_SYMINDEX:
819 case TI_GET_THISADJUST:
820 case TI_GET_VIRTUALBASECLASS:
821 case TI_GET_VIRTUALBASEPOINTEROFFSET:
822 case TI_GET_VIRTUALTABLESHAPEID:
823 case TI_IS_EQUIV_TO:
824 FIXME("Unsupported GetInfo request (%u)\n", req);
825 return FALSE;
826 default:
827 FIXME("Unknown GetInfo request (%u)\n", req);
828 return FALSE;
829 }
830
831 return TRUE;
832 }
833
834 /******************************************************************
835 * SymGetTypeInfo (DBGHELP.@)
836 *
837 */
838 BOOL WINAPI SymGetTypeInfo(HANDLE hProcess, DWORD64 ModBase,
839 ULONG TypeId, IMAGEHLP_SYMBOL_TYPE_INFO GetType,
840 PVOID pInfo)
841 {
842 struct module_pair pair;
843
844 pair.pcs = process_find_by_handle(hProcess);
845 if (!pair.pcs) return FALSE;
846
847 pair.requested = module_find_by_addr(pair.pcs, ModBase, DMT_UNKNOWN);
848 if (!module_get_debug(&pair))
849 {
850 FIXME("Someone didn't properly set ModBase (%s)\n", wine_dbgstr_longlong(ModBase));
851 return FALSE;
852 }
853
854 return symt_get_info((struct symt*)TypeId, GetType, pInfo);
855 }
856
857 /******************************************************************
858 * SymGetTypeFromName (DBGHELP.@)
859 *
860 */
861 BOOL WINAPI SymGetTypeFromName(HANDLE hProcess, ULONG64 BaseOfDll,
862 PCSTR Name, PSYMBOL_INFO Symbol)
863 {
864 struct process* pcs = process_find_by_handle(hProcess);
865 struct module* module;
866 struct symt* type;
867
868 if (!pcs) return FALSE;
869 module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
870 if (!module) return FALSE;
871 type = symt_find_type_by_name(module, SymTagNull, Name);
872 if (!type) return FALSE;
873 Symbol->TypeIndex = (DWORD)type;
874
875 return TRUE;
876 }
Windows API implementation