2 * File types.c - management of types (hierarchical tree)
4 * Copyright (C) 1997, Eric Youngdale.
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.
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.
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
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.
33 #include "wine/debug.h"
34 #include "dbghelp_private.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
37 WINE_DECLARE_DEBUG_CHANNEL(dbghelp_symt);
39 static const char* symt_get_tag_str(DWORD tag)
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 "---";
78 const char* symt_get_name(const struct symt* sym)
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;
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;
94 FIXME("Unsupported sym-tag %s\n", symt_get_tag_str(sym->tag));
97 case SymTagPointerType:
98 case SymTagFunctionType:
103 static struct symt* symt_find_type_by_name(struct module* module,
104 enum SymTagEnum sym_tag,
105 const char* typename)
108 struct symt_ht* type;
109 struct hash_table_iter hti;
114 hash_table_iter_init(&module->ht_types, &hti, typename);
115 while ((ptr = hash_table_iter_up(&hti)))
117 type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
119 if ((sym_tag == SymTagNull || type->symt.tag == sym_tag) &&
120 type->hash_elt.name && !strcmp(type->hash_elt.name, typename))
123 SetLastError(ERROR_INVALID_NAME); /* FIXME ?? */
127 static void symt_add_type(struct module* module, struct symt* symt)
130 p = vector_add(&module->vtypes, &module->pool);
135 struct symt_basic* symt_new_basic(struct module* module, enum BasicType bt,
136 const char* typename, unsigned size)
138 struct symt_basic* sym;
142 sym = (struct symt_basic*)symt_find_type_by_name(module, SymTagBaseType,
144 if (sym && sym->bt == bt && sym->size == size)
147 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
149 sym->symt.tag = SymTagBaseType;
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;
157 symt_add_type(module, &sym->symt);
162 struct symt_udt* symt_new_udt(struct module* module, const char* typename,
163 unsigned size, enum UdtKind kind)
165 struct symt_udt* sym;
167 TRACE_(dbghelp_symt)("Adding udt %s:%s\n", module->module.ModuleName, typename);
168 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
170 sym->symt.tag = SymTagUDT;
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);
184 BOOL symt_set_udt_size(struct module* module, struct symt_udt* udt, unsigned size)
186 assert(udt->symt.tag == SymTagUDT);
187 if (vector_length(&udt->vchildren) != 0)
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);
198 /******************************************************************
199 * symt_add_udt_element
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)
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)
213 assert(udt_type->symt.tag == SymTagUDT);
215 TRACE_(dbghelp_symt)("Adding %s to UDT %s\n", name, udt_type->hash_elt.name);
217 while ((p = vector_iter_up(&udt_type->vchildren, p)))
219 m = (struct symt_data*)*p;
221 assert(m->symt.tag == SymTagData);
222 if (m->hash_elt.name[0] == name[0] && strcmp(m->hash_elt.name, name) == 0)
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;
232 m->kind = DataIsMember;
233 m->container = &udt_type->symt;
235 m->u.s.offset = offset;
236 m->u.s.length = ((offset & 7) || (size & 7)) ? size : 0;
238 p = vector_add(&udt_type->vchildren, &module->pool);
244 struct symt_enum* symt_new_enum(struct module* module, const char* typename)
246 struct symt_enum* sym;
248 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
250 sym->symt.tag = SymTagEnum;
251 sym->name = (typename) ? pool_strdup(&module->pool, typename) : NULL;
252 vector_init(&sym->vchildren, sizeof(struct symt*), 8);
257 BOOL symt_add_enum_element(struct module* module, struct symt_enum* enum_type,
258 const char* name, int value)
263 assert(enum_type->symt.tag == SymTagEnum);
264 e = pool_alloc(&module->pool, sizeof(*e));
265 if (e == NULL) return FALSE;
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;
277 p = vector_add(&enum_type->vchildren, &module->pool);
278 if (!p) return FALSE; /* FIXME we leak e */
284 struct symt_array* symt_new_array(struct module* module, int min, int max,
287 struct symt_array* sym;
289 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
291 sym->symt.tag = SymTagArrayType;
294 sym->basetype = base;
295 symt_add_type(module, &sym->symt);
300 struct symt_function_signature* symt_new_function_signature(struct module* module,
301 struct symt* ret_type)
303 struct symt_function_signature* sym;
305 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
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);
315 BOOL symt_add_function_signature_parameter(struct module* module,
316 struct symt_function_signature* sig_type,
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 */
329 struct symt_pointer* symt_new_pointer(struct module* module, struct symt* ref_type)
331 struct symt_pointer* sym;
333 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
335 sym->symt.tag = SymTagPointerType;
336 sym->pointsto = ref_type;
337 symt_add_type(module, &sym->symt);
342 struct symt_typedef* symt_new_typedef(struct module* module, struct symt* ref,
345 struct symt_typedef* sym;
347 if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
349 sym->symt.tag = SymTagTypedef;
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);
358 /******************************************************************
359 * SymEnumTypes (DBGHELP.@)
362 BOOL WINAPI SymEnumTypes(HANDLE hProcess, ULONG64 BaseOfDll,
363 PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
367 struct module* module;
368 char buffer[sizeof(SYMBOL_INFO) + 256];
369 SYMBOL_INFO* sym_info = (SYMBOL_INFO*)buffer;
374 TRACE("(%p %s %p %p)\n",
375 hProcess, wine_dbgstr_longlong(BaseOfDll), EnumSymbolsCallback,
378 if (!(pcs = process_find_by_handle(hProcess))) return FALSE;
379 module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
380 if (!(module = module_get_debug(pcs, module))) return FALSE;
382 sym_info->SizeOfStruct = sizeof(SYMBOL_INFO);
383 sym_info->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO);
385 while ((pos = vector_iter_up(&module->vtypes, pos)))
387 type = *(struct symt**)pos;
388 sym_info->TypeIndex = (DWORD)type;
389 sym_info->info = 0; /* FIXME */
390 symt_get_info(type, TI_GET_LENGTH, &sym_info->Size);
391 sym_info->ModBase = module->module.BaseOfImage;
392 sym_info->Flags = 0; /* FIXME */
393 sym_info->Value = 0; /* FIXME */
394 sym_info->Address = 0; /* FIXME */
395 sym_info->Register = 0; /* FIXME */
396 sym_info->Scope = 0; /* FIXME */
397 sym_info->Tag = type->tag;
398 tmp = symt_get_name(type);
401 sym_info->NameLen = strlen(tmp) + 1;
402 strncpy(sym_info->Name, tmp, min(sym_info->NameLen, sym_info->MaxNameLen));
403 sym_info->Name[sym_info->MaxNameLen - 1] = '\0';
405 else sym_info->Name[sym_info->NameLen = 0] = '\0';
406 if (!EnumSymbolsCallback(sym_info, sym_info->Size, UserContext)) break;
411 /******************************************************************
414 * Retrieves inforamtion about a symt (either symbol or type)
416 BOOL symt_get_info(const struct symt* type, IMAGEHLP_SYMBOL_TYPE_INFO req,
421 if (!type) return FALSE;
423 /* helper to typecast pInfo to its expected type (_t) */
424 #define X(_t) (*((_t*)pInfo))
428 case TI_FINDCHILDREN:
430 const struct vector* v;
433 TI_FINDCHILDREN_PARAMS* tifp = pInfo;
437 case SymTagUDT: v = &((const struct symt_udt*)type)->vchildren; break;
438 case SymTagEnum: v = &((const struct symt_enum*)type)->vchildren; break;
439 case SymTagFunctionType: v = &((const struct symt_function_signature*)type)->vchildren; break;
440 case SymTagFunction: v = &((const struct symt_function*)type)->vchildren; break;
442 FIXME("Unsupported sym-tag %s for find-children\n",
443 symt_get_tag_str(type->tag));
446 for (i = 0; i < tifp->Count; i++)
448 if (!(pt = vector_at(v, tifp->Start + i))) return FALSE;
449 tifp->ChildId[i] = (DWORD)*pt;
458 switch (((const struct symt_data*)type)->kind)
461 case DataIsFileStatic:
462 X(ULONG64) = ((const struct symt_data*)type)->u.address;
464 default: return FALSE;
468 X(ULONG64) = ((const struct symt_function*)type)->address;
470 case SymTagPublicSymbol:
471 X(ULONG64) = ((const struct symt_public*)type)->address;
473 case SymTagFuncDebugStart:
474 case SymTagFuncDebugEnd:
476 X(ULONG64) = ((const struct symt_function_point*)type)->parent->address +
477 ((const struct symt_function_point*)type)->offset;
480 X(ULONG64) = ((const struct symt_thunk*)type)->address;
483 FIXME("Unsupported sym-tag %s for get-address\n",
484 symt_get_tag_str(type->tag));
489 case TI_GET_BASETYPE:
493 X(DWORD) = ((const struct symt_basic*)type)->bt;
503 case TI_GET_BITPOSITION:
504 if (type->tag != SymTagData ||
505 ((const struct symt_data*)type)->kind != DataIsMember ||
506 ((const struct symt_data*)type)->u.s.length == 0)
508 X(DWORD) = ((const struct symt_data*)type)->u.s.offset & 7;
511 case TI_GET_CHILDRENCOUNT:
515 X(DWORD) = vector_length(&((const struct symt_udt*)type)->vchildren);
518 X(DWORD) = vector_length(&((const struct symt_enum*)type)->vchildren);
520 case SymTagFunctionType:
521 X(DWORD) = vector_length(&((const struct symt_function_signature*)type)->vchildren);
524 X(DWORD) = vector_length(&((const struct symt_function*)type)->vchildren);
526 case SymTagPointerType: /* MS does it that way */
527 case SymTagArrayType: /* MS does it that way */
528 case SymTagThunk: /* MS does it that way */
532 FIXME("Unsupported sym-tag %s for get-children-count\n",
533 symt_get_tag_str(type->tag));
536 case SymTagPublicSymbol:
543 /* it seems that FunctionType also react to GET_COUNT (same value as
544 * GET_CHILDREN_COUNT ?, except for C++ methods, where it seems to
545 * also include 'this' (GET_CHILDREN_COUNT+1)
547 if (type->tag != SymTagArrayType) return FALSE;
548 X(DWORD) = ((const struct symt_array*)type)->end -
549 ((const struct symt_array*)type)->start + 1;
552 case TI_GET_DATAKIND:
553 if (type->tag != SymTagData) return FALSE;
554 X(DWORD) = ((const struct symt_data*)type)->kind;
561 X(DWORD) = ((const struct symt_basic*)type)->size;
564 X(DWORD) = ((const struct symt_function*)type)->size;
566 case SymTagPointerType:
567 X(DWORD) = sizeof(void*);
570 X(DWORD) = ((const struct symt_udt*)type)->size;
573 X(DWORD) = sizeof(int); /* FIXME: should be size of base-type of enum !!! */
576 if (((const struct symt_data*)type)->kind != DataIsMember ||
577 !((const struct symt_data*)type)->u.s.length)
579 X(DWORD) = ((const struct symt_data*)type)->u.s.length;
581 case SymTagArrayType:
582 if (!symt_get_info(((const struct symt_array*)type)->basetype,
583 TI_GET_LENGTH, pInfo))
585 X(DWORD) *= ((const struct symt_array*)type)->end -
586 ((const struct symt_array*)type)->start + 1;
588 case SymTagPublicSymbol:
589 X(DWORD) = ((const struct symt_public*)type)->size;
592 return symt_get_info(((const struct symt_typedef*)type)->type, TI_GET_LENGTH, pInfo);
594 X(DWORD) = ((const struct symt_thunk*)type)->size;
597 FIXME("Unsupported sym-tag %s for get-length\n",
598 symt_get_tag_str(type->tag));
600 case SymTagFunctionType:
605 case TI_GET_LEXICALPARENT:
609 X(DWORD) = (DWORD)((const struct symt_block*)type)->container;
612 X(DWORD) = (DWORD)((const struct symt_data*)type)->container;
615 X(DWORD) = (DWORD)((const struct symt_function*)type)->container;
618 X(DWORD) = (DWORD)((const struct symt_thunk*)type)->container;
621 FIXME("Unsupported sym-tag %s for get-lexical-parent\n",
622 symt_get_tag_str(type->tag));
643 switch (((const struct symt_data*)type)->kind)
648 X(ULONG) = ((const struct symt_data*)type)->u.s.offset >> 3;
651 FIXME("Unknown kind (%u) for get-offset\n",
652 ((const struct symt_data*)type)->kind);
657 FIXME("Unsupported sym-tag %s for get-offset\n",
658 symt_get_tag_str(type->tag));
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);
675 X(DWORD) = type->tag;
682 /* hierarchical => hierarchical */
683 case SymTagArrayType:
684 X(DWORD) = (DWORD)((const struct symt_array*)type)->basetype;
686 case SymTagPointerType:
687 X(DWORD) = (DWORD)((const struct symt_pointer*)type)->pointsto;
689 case SymTagFunctionType:
690 X(DWORD) = (DWORD)((const struct symt_function_signature*)type)->rettype;
693 X(DWORD) = (DWORD)((const struct symt_typedef*)type)->type;
695 /* lexical => hierarchical */
697 X(DWORD) = (DWORD)((const struct symt_data*)type)->type;
700 X(DWORD) = (DWORD)((const struct symt_function*)type)->type;
702 /* FIXME: should also work for enums and FunctionArgType */
704 FIXME("Unsupported sym-tag %s for get-type\n",
705 symt_get_tag_str(type->tag));
712 if (type->tag != SymTagUDT) return FALSE;
713 X(DWORD) = ((const struct symt_udt*)type)->kind;
717 if (type->tag != SymTagData || ((const struct symt_data*)type)->kind != DataIsConstant)
719 X(VARIANT) = ((const struct symt_data*)type)->u.value;
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:
734 FIXME("Unsupported GetInfo request (%u)\n", req);
741 /******************************************************************
742 * SymGetTypeInfo (DBGHELP.@)
745 BOOL WINAPI SymGetTypeInfo(HANDLE hProcess, DWORD64 ModBase,
746 ULONG TypeId, IMAGEHLP_SYMBOL_TYPE_INFO GetType,
749 struct process* pcs = process_find_by_handle(hProcess);
750 struct module* module;
752 if (!pcs) return FALSE;
754 module = module_find_by_addr(pcs, ModBase, DMT_UNKNOWN);
755 if (!(module = module_get_debug(pcs, module)))
757 FIXME("Someone didn't properly set ModBase (%s)\n", wine_dbgstr_longlong(ModBase));
761 return symt_get_info((struct symt*)TypeId, GetType, pInfo);
764 /******************************************************************
765 * SymGetTypeFromName (DBGHELP.@)
768 BOOL WINAPI SymGetTypeFromName(HANDLE hProcess, ULONG64 BaseOfDll,
769 LPSTR Name, PSYMBOL_INFO Symbol)
771 struct process* pcs = process_find_by_handle(hProcess);
772 struct module* module;
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;