dlls/dbghelp/type.c

   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 ((struct symt_data*)sym)->hash_elt.name;
  84     case SymTagFunction:        return ((struct symt_function*)sym)->hash_elt.name;
  85     case SymTagPublicSymbol:    return ((struct symt_public*)sym)->hash_elt.name;
  86     case SymTagBaseType:        return ((struct symt_basic*)sym)->hash_elt.name;
  87     case SymTagLabel:           return ((struct symt_function_point*)sym)->name;
  88     /* hierarchy tree */
  89     case SymTagEnum:            return ((struct symt_enum*)sym)->name;
  90     case SymTagTypedef:         return ((struct symt_typedef*)sym)->hash_elt.name;
  91     case SymTagUDT:             return ((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(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 struct symt_basic* symt_new_basic(struct module* module, enum BasicType bt,
 127                                   const char* typename, unsigned size)
 128 {
 129     struct symt_basic*          sym;
 130
 131     if (typename)
 132     {
 133         sym = (struct symt_basic*)symt_find_type_by_name(module, SymTagBaseType,
 134                                                          typename);
 135         if (sym && sym->bt == bt && sym->size == size)
 136             return sym;
 137     }
 138     if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
 139     {
 140         sym->symt.tag = SymTagBaseType;
 141         if (typename)
 142         {
 143             sym->hash_elt.name = pool_strdup(&module->pool, typename);
 144             hash_table_add(&module->ht_types, &sym->hash_elt);
 145         } else sym->hash_elt.name = NULL;
 146         sym->bt = bt;
 147         sym->size = size;
 148     }
 149     return sym;
 150 }
 151
 152 struct symt_udt* symt_new_udt(struct module* module, const char* typename,
 153                               unsigned size, enum UdtKind kind)
 154 {
 155     struct symt_udt*            sym;
 156
 157     TRACE_(dbghelp_symt)("Adding udt %s:%s\n", module->module.ModuleName, typename);
 158     if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
 159     {
 160         sym->symt.tag = SymTagUDT;
 161         sym->kind     = kind;
 162         sym->size     = size;
 163         if (typename)
 164         {
 165             sym->hash_elt.name = pool_strdup(&module->pool, typename);
 166             hash_table_add(&module->ht_types, &sym->hash_elt);
 167         } else sym->hash_elt.name = NULL;
 168         vector_init(&sym->vchildren, sizeof(struct symt*), 8);
 169     }
 170     return sym;
 171 }
 172
 173 BOOL symt_set_udt_size(struct module* module, struct symt_udt* udt, unsigned size)
 174 {
 175     assert(udt->symt.tag == SymTagUDT);
 176     if (vector_length(&udt->vchildren) != 0)
 177     {
 178         if (udt->size != size)
 179             FIXME_(dbghelp_symt)("Changing size for %s from %u to %u\n",
 180                                  udt->hash_elt.name, udt->size, size);
 181         return TRUE;
 182     }
 183     udt->size = size;
 184     return TRUE;
 185 }
 186
 187 /******************************************************************
 188  *              symt_add_udt_element
 189  *
 190  * add an element to a udt (struct, class, union)
 191  * the size & offset parameters are expressed in bits (not bytes) so that
 192  * we can mix in the single call bytes aligned elements (regular fields) and
 193  * the others (bit fields)
 194  */
 195 BOOL symt_add_udt_element(struct module* module, struct symt_udt* udt_type,
 196                           const char* name, struct symt* elt_type,
 197                           unsigned offset, unsigned size)
 198 {
 199     struct symt_data*   m;
 200     struct symt**       p;
 201
 202     assert(udt_type->symt.tag == SymTagUDT);
 203
 204     TRACE_(dbghelp_symt)("Adding %s to UDT %s\n", name, udt_type->hash_elt.name);
 205     p = NULL;
 206     while ((p = vector_iter_up(&udt_type->vchildren, p)))
 207     {
 208         m = (struct symt_data*)*p;
 209         assert(m);
 210         assert(m->symt.tag == SymTagData);
 211         if (m->hash_elt.name[0] == name[0] && strcmp(m->hash_elt.name, name) == 0)
 212             return TRUE;
 213     }
 214
 215     if ((m = pool_alloc(&module->pool, sizeof(*m))) == NULL) return FALSE;
 216     memset(m, 0, sizeof(*m));
 217     m->symt.tag      = SymTagData;
 218     m->hash_elt.name = pool_strdup(&module->pool, name);
 219     m->hash_elt.next = NULL;
 220
 221     m->kind          = DataIsMember;
 222     m->container     = &udt_type->symt;
 223     m->type          = elt_type;
 224     m->u.s.offset    = offset;
 225     m->u.s.length    = ((offset & 7) || (size & 7)) ? size : 0;
 226     m->u.s.reg_id    = 0;
 227     p = vector_add(&udt_type->vchildren, &module->pool);
 228     *p = &m->symt;
 229
 230     return TRUE;
 231 }
 232
 233 struct symt_enum* symt_new_enum(struct module* module, const char* typename)
 234 {
 235     struct symt_enum*   sym;
 236
 237     if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
 238     {
 239         sym->symt.tag            = SymTagEnum;
 240         sym->name = pool_strdup(&module->pool, typename);
 241         vector_init(&sym->vchildren, sizeof(struct symt*), 8);
 242     }
 243     return sym;
 244 }
 245
 246 BOOL symt_add_enum_element(struct module* module, struct symt_enum* enum_type,
 247                            const char* name, int value)
 248 {
 249     struct symt_data*   e;
 250     struct symt**       p;
 251
 252     assert(enum_type->symt.tag == SymTagEnum);
 253     e = pool_alloc(&module->pool, sizeof(*e));
 254     if (e == NULL) return FALSE;
 255
 256     e->symt.tag = SymTagData;
 257     e->hash_elt.name = pool_strdup(&module->pool, name);
 258     e->hash_elt.next = NULL;
 259     e->kind = DataIsConstant;
 260     e->container = &enum_type->symt;
 261     /* CV defines the underlying type for the enumeration */
 262     e->type = &symt_new_basic(module, btInt, "int", 4)->symt;
 263     e->u.value.n1.n2.vt = VT_I4;
 264     e->u.value.n1.n2.n3.lVal = value;
 265
 266     p = vector_add(&enum_type->vchildren, &module->pool);
 267     if (!p) return FALSE; /* FIXME we leak e */
 268     *p = &e->symt;
 269
 270     return TRUE;
 271 }
 272
 273 struct symt_array* symt_new_array(struct module* module, int min, int max,
 274                                   struct symt* base)
 275 {
 276     struct symt_array*  sym;
 277
 278     if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
 279     {
 280         sym->symt.tag  = SymTagArrayType;
 281         sym->start     = min;
 282         sym->end       = max;
 283         sym->basetype  = base;
 284     }
 285     return sym;
 286 }
 287
 288 struct symt_function_signature* symt_new_function_signature(struct module* module,
 289                                                             struct symt* ret_type)
 290 {
 291     struct symt_function_signature*     sym;
 292
 293     if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
 294     {
 295         sym->symt.tag = SymTagFunctionType;
 296         sym->rettype  = ret_type;
 297         vector_init(&sym->vchildren, sizeof(struct symt*), 4);
 298     }
 299     return sym;
 300 }
 301
 302 BOOL symt_add_function_signature_parameter(struct module* module,
 303                                            struct symt_function_signature* sig_type,
 304                                            struct symt* param)
 305 {
 306     struct symt**       p;
 307
 308     assert(sig_type->symt.tag == SymTagFunctionType);
 309     p = vector_add(&sig_type->vchildren, &module->pool);
 310     if (!p) return FALSE; /* FIXME we leak e */
 311     *p = param;
 312
 313     return TRUE;
 314 }
 315
 316 struct symt_pointer* symt_new_pointer(struct module* module, struct symt* ref_type)
 317 {
 318     struct symt_pointer*        sym;
 319
 320     if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
 321     {
 322         sym->symt.tag = SymTagPointerType;
 323         sym->pointsto = ref_type;
 324     }
 325     return sym;
 326 }
 327
 328 struct symt_typedef* symt_new_typedef(struct module* module, struct symt* ref,
 329                                       const char* name)
 330 {
 331     struct symt_typedef* sym;
 332
 333     if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
 334     {
 335         sym->symt.tag = SymTagTypedef;
 336         sym->type     = ref;
 337         sym->hash_elt.name = pool_strdup(&module->pool, name);
 338         hash_table_add(&module->ht_types, &sym->hash_elt);
 339     }
 340     return sym;
 341 }
 342
 343 /******************************************************************
 344  *              SymEnumTypes (DBGHELP.@)
 345  *
 346  */
 347 BOOL WINAPI SymEnumTypes(HANDLE hProcess, unsigned long BaseOfDll,
 348                          PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
 349                          void* UserContext)
 350 {
 351     struct process*             pcs;
 352     struct module*              module;
 353     struct symt_ht*             type;
 354     void*                       ptr;
 355     char                        buffer[sizeof(SYMBOL_INFO) + 256];
 356     SYMBOL_INFO*                sym_info = (SYMBOL_INFO*)buffer;
 357     struct hash_table_iter      hti;
 358     const char*                 tmp;
 359
 360     TRACE("(%p %08lx %p %p)\n",
 361           hProcess, BaseOfDll, EnumSymbolsCallback, UserContext);
 362
 363     pcs = process_find_by_handle(hProcess);
 364     if (!pcs) return FALSE;
 365     module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
 366     if (!(module = module_get_debug(pcs, module))) return FALSE;
 367
 368     sym_info->SizeOfStruct = sizeof(SYMBOL_INFO);
 369     sym_info->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO);
 370
 371     hash_table_iter_init(&module->ht_types, &hti, NULL);
 372     while ((ptr = hash_table_iter_up(&hti)))
 373     {
 374         type = GET_ENTRY(ptr, struct symt_ht, hash_elt);
 375         sym_info->TypeIndex = (DWORD)type;
 376         sym_info->info = 0; /* FIXME */
 377         symt_get_info(&type->symt, TI_GET_LENGTH, &sym_info->Size);
 378         sym_info->ModBase = module->module.BaseOfImage;
 379         sym_info->Flags = 0; /* FIXME */
 380         sym_info->Value = 0; /* FIXME */
 381         sym_info->Address = 0; /* FIXME */
 382         sym_info->Register = 0; /* FIXME */
 383         sym_info->Scope = 0; /* FIXME */
 384         sym_info->Tag = type->symt.tag;
 385         tmp = symt_get_name(&type->symt);
 386         sym_info->NameLen = strlen(tmp) + 1;
 387         strncpy(sym_info->Name, tmp, min(sym_info->NameLen, sym_info->MaxNameLen));
 388         sym_info->Name[sym_info->MaxNameLen - 1] = '\0';
 389         if (!EnumSymbolsCallback(sym_info, sym_info->Size, UserContext)) break;
 390     }
 391     return TRUE;
 392 }
 393
 394 /******************************************************************
 395  *              symt_get_info
 396  *
 397  * Retrieves inforamtion about a symt (either symbol or type)
 398  */
 399 BOOL symt_get_info(const struct symt* type, IMAGEHLP_SYMBOL_TYPE_INFO req,
 400                    void* pInfo)
 401 {
 402     unsigned            len;
 403
 404     if (!type) return FALSE;
 405
 406 /* helper to typecast pInfo to its expected type (_t) */
 407 #define X(_t) (*((_t*)pInfo))
 408
 409     switch (req)
 410     {
 411     case TI_FINDCHILDREN:
 412         {
 413             const struct vector*        v;
 414             struct symt**               pt;
 415             unsigned                    i;
 416             TI_FINDCHILDREN_PARAMS*     tifp = pInfo;
 417
 418             switch (type->tag)
 419             {
 420             case SymTagUDT:          v = &((struct symt_udt*)type)->vchildren; break;
 421             case SymTagEnum:         v = &((struct symt_enum*)type)->vchildren; break;
 422             case SymTagFunctionType: v = &((struct symt_function_signature*)type)->vchildren; break;
 423             case SymTagFunction:     v = &((struct symt_function*)type)->vchildren; break;
 424             default:
 425                 FIXME("Unsupported sym-tag %s for find-children\n",
 426                       symt_get_tag_str(type->tag));
 427                 return FALSE;
 428             }
 429             for (i = 0; i < tifp->Count; i++)
 430             {
 431                 if (!(pt = vector_at(v, tifp->Start + i))) return FALSE;
 432                 tifp->ChildId[i] = (DWORD)*pt;
 433             }
 434         }
 435         break;
 436
 437     case TI_GET_ADDRESS:
 438         switch (type->tag)
 439         {
 440         case SymTagData:
 441             switch (((struct symt_data*)type)->kind)
 442             {
 443             case DataIsGlobal:
 444             case DataIsFileStatic:
 445                 X(DWORD) = ((struct symt_data*)type)->u.address;
 446                 break;
 447             default: return FALSE;
 448             }
 449             break;
 450         case SymTagFunction:
 451             X(DWORD) = ((struct symt_function*)type)->addr;
 452             break;
 453         case SymTagPublicSymbol:
 454             X(DWORD) = ((struct symt_public*)type)->address;
 455             break;
 456         case SymTagFuncDebugStart:
 457         case SymTagFuncDebugEnd:
 458         case SymTagLabel:
 459             X(DWORD) = ((struct symt_function_point*)type)->parent->addr +
 460                 ((struct symt_function_point*)type)->offset;
 461             break;
 462         default:
 463             FIXME("Unsupported sym-tag %s for get-address\n",
 464                   symt_get_tag_str(type->tag));
 465             return FALSE;
 466         }
 467         break;
 468
 469     case TI_GET_BASETYPE:
 470         switch (type->tag)
 471         {
 472         case SymTagBaseType:
 473             X(DWORD) = ((struct symt_basic*)type)->bt;
 474             break;
 475         case SymTagEnum:
 476             X(DWORD) = btInt;
 477             break;
 478         default:
 479             return FALSE;
 480         }
 481         break;
 482
 483     case TI_GET_BITPOSITION:
 484         if (type->tag != SymTagData ||
 485             ((struct symt_data*)type)->kind != DataIsMember ||
 486             ((struct symt_data*)type)->u.s.length == 0)
 487             return FALSE;
 488         X(DWORD) = ((struct symt_data*)type)->u.s.offset & 7;
 489         break;
 490
 491     case TI_GET_CHILDRENCOUNT:
 492         switch (type->tag)
 493         {
 494         case SymTagUDT:
 495             X(DWORD) = vector_length(&((struct symt_udt*)type)->vchildren);
 496             break;
 497         case SymTagEnum:
 498             X(DWORD) = vector_length(&((struct symt_enum*)type)->vchildren);
 499             break;
 500         case SymTagFunctionType:
 501             X(DWORD) = vector_length(&((struct symt_function_signature*)type)->vchildren);
 502             break;
 503         case SymTagFunction:
 504             X(DWORD) = vector_length(&((struct symt_function*)type)->vchildren);
 505             break;
 506         case SymTagPointerType: /* MS does it that way */
 507         case SymTagArrayType: /* MS does it that way */
 508             X(DWORD) = 0;
 509             break;
 510         default:
 511             FIXME("Unsupported sym-tag %s for get-children-count\n",
 512                   symt_get_tag_str(type->tag));
 513             /* fall through */
 514         case SymTagData:
 515         case SymTagPublicSymbol:
 516         case SymTagBaseType:
 517             return FALSE;
 518         }
 519         break;
 520
 521     case TI_GET_COUNT:
 522         /* it seems that FunctionType also react to GET_COUNT (same value as
 523          * GET_CHILDREN_COUNT ?, except for C++ methods, where it seems to
 524          * also include 'this' (GET_CHILDREN_COUNT+1)
 525          */
 526         if (type->tag != SymTagArrayType) return FALSE;
 527         X(DWORD) = ((struct symt_array*)type)->end -
 528             ((struct symt_array*)type)->start;
 529         break;
 530
 531     case TI_GET_DATAKIND:
 532         if (type->tag != SymTagData) return FALSE;
 533         X(DWORD) = ((struct symt_data*)type)->kind;
 534         break;
 535
 536     case TI_GET_LENGTH:
 537         switch (type->tag)
 538         {
 539         case SymTagBaseType:
 540             X(DWORD) = ((struct symt_basic*)type)->size;
 541             break;
 542         case SymTagFunction:
 543             X(DWORD) = ((struct symt_function*)type)->size;
 544             break;
 545         case SymTagPointerType:
 546             X(DWORD) = sizeof(void*);
 547             break;
 548         case SymTagUDT:
 549             X(DWORD) = ((struct symt_udt*)type)->size;
 550             break;
 551         case SymTagEnum:
 552             X(DWORD) = sizeof(int); /* FIXME: should be size of base-type of enum !!! */
 553             break;
 554         case SymTagData:
 555             if (((struct symt_data*)type)->kind != DataIsMember ||
 556                 !((struct symt_data*)type)->u.s.length)
 557                 return FALSE;
 558             X(DWORD) = ((struct symt_data*)type)->u.s.length;
 559             break;
 560         case SymTagArrayType:
 561             if (!symt_get_info(((struct symt_array*)type)->basetype,
 562                                TI_GET_LENGTH, pInfo))
 563                 return FALSE;
 564             X(DWORD) *= ((struct symt_array*)type)->end -
 565                 ((struct symt_array*)type)->start;
 566             break;
 567         case SymTagPublicSymbol:
 568             X(DWORD) = ((struct symt_public*)type)->size;
 569             break;
 570         case SymTagTypedef:
 571             return symt_get_info(((struct symt_typedef*)type)->type, TI_GET_LENGTH, pInfo);
 572             break;
 573         default:
 574             FIXME("Unsupported sym-tag %s for get-length\n",
 575                   symt_get_tag_str(type->tag));
 576             return 0;
 577         }
 578         break;
 579
 580     case TI_GET_LEXICALPARENT:
 581         switch (type->tag)
 582         {
 583         case SymTagBlock:
 584             X(DWORD) = (DWORD)((struct symt_block*)type)->container;
 585             break;
 586         case SymTagData:
 587             X(DWORD) = (DWORD)((struct symt_data*)type)->container;
 588             break;
 589         default:
 590             FIXME("Unsupported sym-tag %s for get-lexical-parent\n",
 591                   symt_get_tag_str(type->tag));
 592             return FALSE;
 593         }
 594         break;
 595
 596     case TI_GET_NESTED:
 597         switch (type->tag)
 598         {
 599         case SymTagUDT:
 600         case SymTagEnum:
 601             X(DWORD) = 0;
 602             break;
 603         default:
 604             return FALSE;
 605         }
 606         break;
 607
 608     case TI_GET_OFFSET:
 609         switch (type->tag)
 610         {
 611         case SymTagData:
 612             switch (((struct symt_data*)type)->kind)
 613             {
 614             case DataIsParam:
 615             case DataIsLocal:
 616             case DataIsMember:
 617                 X(ULONG) = ((struct symt_data*)type)->u.s.offset >> 3;
 618                 break;
 619             default:
 620                 FIXME("Unknown kind (%u) for get-offset\n",
 621                       ((struct symt_data*)type)->kind);
 622                 return FALSE;
 623             }
 624             break;
 625         default:
 626             FIXME("Unsupported sym-tag %s for get-offset\n",
 627                   symt_get_tag_str(type->tag));
 628             return FALSE;
 629         }
 630         break;
 631
 632     case TI_GET_SYMNAME:
 633         {
 634             const char* name = symt_get_name(type);
 635             if (!name) return FALSE;
 636             len = MultiByteToWideChar(CP_ACP, 0, name, -1, NULL, 0);
 637             X(WCHAR*) = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 638             if (!X(WCHAR*)) return FALSE;
 639             MultiByteToWideChar(CP_ACP, 0, name, -1, X(WCHAR*), len);
 640         }
 641         break;
 642
 643     case TI_GET_SYMTAG:
 644         X(DWORD) = type->tag;
 645         break;
 646
 647     case TI_GET_TYPE:
 648     case TI_GET_TYPEID:
 649         switch (type->tag)
 650         {
 651             /* hierarchical => hierarchical */
 652         case SymTagArrayType:
 653             X(DWORD) = (DWORD)((struct symt_array*)type)->basetype;
 654             break;
 655         case SymTagPointerType:
 656             X(DWORD) = (DWORD)((struct symt_pointer*)type)->pointsto;
 657             break;
 658         case SymTagFunctionType:
 659             X(DWORD) = (DWORD)((struct symt_function_signature*)type)->rettype;
 660             break;
 661         case SymTagTypedef:
 662             X(DWORD) = (DWORD)((struct symt_typedef*)type)->type;
 663             break;
 664             /* lexical => hierarchical */
 665         case SymTagData:
 666             X(DWORD) = (DWORD)((struct symt_data*)type)->type;
 667             break;
 668         case SymTagFunction:
 669             X(DWORD) = (DWORD)((struct symt_function*)type)->type;
 670             break;
 671             /* FIXME: should also work for enums and FunctionArgType */
 672         default:
 673             FIXME("Unsupported sym-tag %s for get-type\n",
 674                   symt_get_tag_str(type->tag));
 675             return FALSE;
 676         }
 677         break;
 678
 679     case TI_GET_UDTKIND:
 680         if (type->tag != SymTagUDT) return FALSE;
 681         X(DWORD) = ((struct symt_udt*)type)->kind;
 682         break;
 683
 684     case TI_GET_VALUE:
 685         if (type->tag != SymTagData || ((struct symt_data*)type)->kind != DataIsConstant)
 686             return FALSE;
 687         X(VARIANT) = ((struct symt_data*)type)->u.value;
 688         break;
 689
 690 #undef X
 691
 692     case TI_GET_ADDRESSOFFSET:
 693     case TI_GET_ARRAYINDEXTYPEID:
 694     case TI_GET_CALLING_CONVENTION:
 695     case TI_GET_CLASSPARENTID:
 696     case TI_GET_SYMINDEX:
 697     case TI_GET_THISADJUST:
 698     case TI_GET_VIRTUALBASECLASS:
 699     case TI_GET_VIRTUALBASEPOINTEROFFSET:
 700     case TI_GET_VIRTUALTABLESHAPEID:
 701     case TI_IS_EQUIV_TO:
 702         FIXME("Unsupported GetInfo request (%u)\n", req);
 703         return FALSE;
 704     }
 705
 706     return TRUE;
 707 }
 708
 709 /******************************************************************
 710  *              SymGetTypeInfo (DBGHELP.@)
 711  *
 712  */
 713 BOOL WINAPI SymGetTypeInfo(HANDLE hProcess, unsigned long ModBase,
 714                            ULONG TypeId, IMAGEHLP_SYMBOL_TYPE_INFO GetType,
 715                            PVOID pInfo)
 716 {
 717     struct process*     pcs = process_find_by_handle(hProcess);
 718
 719     if (!pcs) return FALSE;
 720 #if 0
 721     struct module*      module;
 722     module = module_find_by_addr(pcs, ModBase, DMT_UNKNOWN);
 723     if (!(module = module_get_debug(pcs, module))) return FALSE;
 724 #endif
 725
 726     return symt_get_info((struct symt*)TypeId, GetType, pInfo);
 727 }
 728
 729 /******************************************************************
 730  *              SymGetTypeFromName (DBGHELP.@)
 731  *
 732  */
 733 BOOL WINAPI SymGetTypeFromName(HANDLE hProcess, unsigned long BaseOfDll,
 734                                LPSTR Name, PSYMBOL_INFO Symbol)
 735 {
 736     struct process*     pcs = process_find_by_handle(hProcess);
 737     struct module*      module;
 738     struct symt*        type;
 739
 740     if (!pcs) return FALSE;
 741     module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
 742     if (!module) return FALSE;
 743     type = symt_find_type_by_name(module, SymTagNull, Name);
 744     if (!type) return FALSE;
 745     Symbol->TypeIndex = (DWORD)type;
 746
 747     return TRUE;
 748 }