type.c 31.9 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
/*
 * File types.c - management of types (hierarchical tree)
 *
 * Copyright (C) 1997, Eric Youngdale.
 *               2004, Eric Pouech.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * 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 22 23
 *
 * Note: This really doesn't do much at the moment, but it forms the framework
 * upon which full support for datatype handling will eventually be built.
 */
24 25 26

#define NONAMELESSUNION

27 28 29 30 31 32 33 34 35 36 37 38
#include "config.h"
#include <stdlib.h>
#include <stdarg.h>
#include <assert.h>

#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "wine/debug.h"
#include "dbghelp_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
39
WINE_DECLARE_DEBUG_CHANNEL(dbghelp_symt);
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84

static const char* symt_get_tag_str(DWORD tag)
{
    switch (tag)
    {
    case SymTagNull:                    return "SymTagNull";
    case SymTagExe:                     return "SymTagExe";
    case SymTagCompiland:               return "SymTagCompiland";
    case SymTagCompilandDetails:        return "SymTagCompilandDetails";
    case SymTagCompilandEnv:            return "SymTagCompilandEnv";
    case SymTagFunction:                return "SymTagFunction";
    case SymTagBlock:                   return "SymTagBlock";
    case SymTagData:                    return "SymTagData";
    case SymTagAnnotation:              return "SymTagAnnotation";
    case SymTagLabel:                   return "SymTagLabel";
    case SymTagPublicSymbol:            return "SymTagPublicSymbol";
    case SymTagUDT:                     return "SymTagUDT";
    case SymTagEnum:                    return "SymTagEnum";
    case SymTagFunctionType:            return "SymTagFunctionType";
    case SymTagPointerType:             return "SymTagPointerType";
    case SymTagArrayType:               return "SymTagArrayType";
    case SymTagBaseType:                return "SymTagBaseType";
    case SymTagTypedef:                 return "SymTagTypedef,";
    case SymTagBaseClass:               return "SymTagBaseClass";
    case SymTagFriend:                  return "SymTagFriend";
    case SymTagFunctionArgType:         return "SymTagFunctionArgType,";
    case SymTagFuncDebugStart:          return "SymTagFuncDebugStart,";
    case SymTagFuncDebugEnd:            return "SymTagFuncDebugEnd";
    case SymTagUsingNamespace:          return "SymTagUsingNamespace,";
    case SymTagVTableShape:             return "SymTagVTableShape";
    case SymTagVTable:                  return "SymTagVTable";
    case SymTagCustom:                  return "SymTagCustom";
    case SymTagThunk:                   return "SymTagThunk";
    case SymTagCustomType:              return "SymTagCustomType";
    case SymTagManagedType:             return "SymTagManagedType";
    case SymTagDimension:               return "SymTagDimension";
    default:                            return "---";
    }
}

const char* symt_get_name(const struct symt* sym)
{
    switch (sym->tag)
    {
    /* lexical tree */
85 86 87 88
    case SymTagData:            return ((const struct symt_data*)sym)->hash_elt.name;
    case SymTagFunction:        return ((const struct symt_function*)sym)->hash_elt.name;
    case SymTagPublicSymbol:    return ((const struct symt_public*)sym)->hash_elt.name;
    case SymTagBaseType:        return ((const struct symt_basic*)sym)->hash_elt.name;
89
    case SymTagLabel:           return ((const struct symt_hierarchy_point*)sym)->hash_elt.name;
90
    case SymTagThunk:           return ((const struct symt_thunk*)sym)->hash_elt.name;
91
    /* hierarchy tree */
92 93 94
    case SymTagEnum:            return ((const struct symt_enum*)sym)->name;
    case SymTagTypedef:         return ((const struct symt_typedef*)sym)->hash_elt.name;
    case SymTagUDT:             return ((const struct symt_udt*)sym)->hash_elt.name;
95 96 97 98 99 100 101 102 103 104
    default:
        FIXME("Unsupported sym-tag %s\n", symt_get_tag_str(sym->tag));
        /* fall through */
    case SymTagArrayType:
    case SymTagPointerType:
    case SymTagFunctionType:
        return NULL;
    }
}

105 106 107 108 109 110 111 112 113 114 115 116 117
WCHAR* symt_get_nameW(const struct symt* sym)
{
    const char* name = symt_get_name(sym);
    WCHAR* nameW;
    DWORD sz;

    if (!name) return NULL;
    sz = MultiByteToWideChar(CP_ACP, 0, name, -1, NULL, 0);
    if ((nameW = HeapAlloc(GetProcessHeap(), 0, sz * sizeof(WCHAR))))
        MultiByteToWideChar(CP_ACP, 0, name, -1, nameW, sz);
    return nameW;
}

118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158
BOOL symt_get_address(const struct symt* type, ULONG64* addr)
{
    switch (type->tag)
    {
    case SymTagData:
        switch (((const struct symt_data*)type)->kind)
        {
        case DataIsGlobal:
        case DataIsFileStatic:
            *addr = ((const struct symt_data*)type)->u.var.offset;
            break;
        default: return FALSE;
        }
        break;
    case SymTagFunction:
        *addr = ((const struct symt_function*)type)->address;
        break;
    case SymTagPublicSymbol:
        *addr = ((const struct symt_public*)type)->address;
        break;
    case SymTagFuncDebugStart:
    case SymTagFuncDebugEnd:
    case SymTagLabel:
        if (!((const struct symt_hierarchy_point*)type)->parent ||
            !symt_get_address(((const struct symt_hierarchy_point*)type)->parent, addr))
            return FALSE;
        *addr += ((const struct symt_hierarchy_point*)type)->loc.offset;
        break;
    case SymTagThunk:
        *addr = ((const struct symt_thunk*)type)->address;
        break;
    case SymTagCompiland:
        *addr = ((const struct symt_compiland*)type)->address;
        break;
    default:
        FIXME("Unsupported sym-tag %s for get-address\n", symt_get_tag_str(type->tag));
        return FALSE;
    }
    return TRUE;
}

159
static struct symt* symt_find_type_by_name(const struct module* module,
160 161 162 163 164 165 166 167 168 169 170 171 172
                                           enum SymTagEnum sym_tag, 
                                           const char* typename)
{
    void*                       ptr;
    struct symt_ht*             type;
    struct hash_table_iter      hti;

    assert(typename);
    assert(module);

    hash_table_iter_init(&module->ht_types, &hti, typename);
    while ((ptr = hash_table_iter_up(&hti)))
    {
173
        type = CONTAINING_RECORD(ptr, struct symt_ht, hash_elt);
174 175 176 177 178 179 180 181 182

        if ((sym_tag == SymTagNull || type->symt.tag == sym_tag) &&
            type->hash_elt.name && !strcmp(type->hash_elt.name, typename))
            return &type->symt;
    }
    SetLastError(ERROR_INVALID_NAME); /* FIXME ?? */
    return NULL;
}

183 184 185 186 187 188 189 190
static void symt_add_type(struct module* module, struct symt* symt)
{
    struct symt**       p;
    p = vector_add(&module->vtypes, &module->pool);
    assert(p);
    *p = symt;
}

191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212
struct symt_basic* symt_new_basic(struct module* module, enum BasicType bt, 
                                  const char* typename, unsigned size)
{
    struct symt_basic*          sym;

    if (typename)
    {
        sym = (struct symt_basic*)symt_find_type_by_name(module, SymTagBaseType,
                                                         typename);
        if (sym && sym->bt == bt && sym->size == size)
            return sym;
    }
    if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
    {
        sym->symt.tag = SymTagBaseType;
        if (typename)
        {
            sym->hash_elt.name = pool_strdup(&module->pool, typename);
            hash_table_add(&module->ht_types, &sym->hash_elt);
        } else sym->hash_elt.name = NULL;
        sym->bt = bt;
        sym->size = size;
213
        symt_add_type(module, &sym->symt);
214 215 216 217 218 219 220 221 222
    }
    return sym;
}

struct symt_udt* symt_new_udt(struct module* module, const char* typename, 
                              unsigned size, enum UdtKind kind)
{
    struct symt_udt*            sym;

223 224
    TRACE_(dbghelp_symt)("Adding udt %s:%s\n",
                         debugstr_w(module->module.ModuleName), typename);
225 226 227 228 229 230 231 232 233 234 235
    if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
    {
        sym->symt.tag = SymTagUDT;
        sym->kind     = kind;
        sym->size     = size;
        if (typename)
        {
            sym->hash_elt.name = pool_strdup(&module->pool, typename);
            hash_table_add(&module->ht_types, &sym->hash_elt);
        } else sym->hash_elt.name = NULL;
        vector_init(&sym->vchildren, sizeof(struct symt*), 8);
236
        symt_add_type(module, &sym->symt);
237 238 239 240 241 242 243 244 245 246
    }
    return sym;
}

BOOL symt_set_udt_size(struct module* module, struct symt_udt* udt, unsigned size)
{
    assert(udt->symt.tag == SymTagUDT);
    if (vector_length(&udt->vchildren) != 0)
    {
        if (udt->size != size)
247 248
            FIXME_(dbghelp_symt)("Changing size for %s from %u to %u\n", 
                                 udt->hash_elt.name, udt->size, size);
249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271
        return TRUE;
    }
    udt->size = size;
    return TRUE;
}

/******************************************************************
 *		symt_add_udt_element
 *
 * add an element to a udt (struct, class, union)
 * the size & offset parameters are expressed in bits (not bytes) so that
 * we can mix in the single call bytes aligned elements (regular fields) and
 * the others (bit fields)
 */
BOOL symt_add_udt_element(struct module* module, struct symt_udt* udt_type,
                          const char* name, struct symt* elt_type,
                          unsigned offset, unsigned size)
{
    struct symt_data*   m;
    struct symt**       p;

    assert(udt_type->symt.tag == SymTagUDT);

272
    TRACE_(dbghelp_symt)("Adding %s to UDT %s\n", name, udt_type->hash_elt.name);
273
    if (name)
274
    {
275
        unsigned int    i;
276
        for (i=0; i<vector_length(&udt_type->vchildren); i++)
277
        {
278
            m = *(struct symt_data**)vector_at(&udt_type->vchildren, i);
279 280 281 282 283
            assert(m);
            assert(m->symt.tag == SymTagData);
            if (strcmp(m->hash_elt.name, name) == 0)
                return TRUE;
        }
284 285 286 287 288
    }

    if ((m = pool_alloc(&module->pool, sizeof(*m))) == NULL) return FALSE;
    memset(m, 0, sizeof(*m));
    m->symt.tag      = SymTagData;
289
    m->hash_elt.name = name ? pool_strdup(&module->pool, name) : "";
290 291
    m->hash_elt.next = NULL;

292 293 294 295 296
    m->kind            = DataIsMember;
    m->container       = &udt_type->symt;
    m->type            = elt_type;
    m->u.member.offset = offset;
    m->u.member.length = ((offset & 7) || (size & 7)) ? size : 0;
297 298 299 300 301 302
    p = vector_add(&udt_type->vchildren, &module->pool);
    *p = &m->symt;

    return TRUE;
}

303 304
struct symt_enum* symt_new_enum(struct module* module, const char* typename,
                                struct symt* basetype)
305 306 307 308 309 310
{
    struct symt_enum*   sym;

    if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
    {
        sym->symt.tag            = SymTagEnum;
311
        sym->name = (typename) ? pool_strdup(&module->pool, typename) : NULL;
312
        sym->base_type           = basetype;
313 314 315 316 317 318
        vector_init(&sym->vchildren, sizeof(struct symt*), 8);
    }
    return sym;
}

BOOL symt_add_enum_element(struct module* module, struct symt_enum* enum_type,
319
                           const char* name, int value)
320 321 322 323 324 325 326 327 328 329 330 331 332
{
    struct symt_data*   e;
    struct symt**       p;

    assert(enum_type->symt.tag == SymTagEnum);
    e = pool_alloc(&module->pool, sizeof(*e));
    if (e == NULL) return FALSE;

    e->symt.tag = SymTagData;
    e->hash_elt.name = pool_strdup(&module->pool, name);
    e->hash_elt.next = NULL;
    e->kind = DataIsConstant;
    e->container = &enum_type->symt;
333
    e->type = enum_type->base_type;
334 335
    e->u.value.n1.n2.vt = VT_I4;
    e->u.value.n1.n2.n3.lVal = value;
336 337 338 339 340 341 342 343 344

    p = vector_add(&enum_type->vchildren, &module->pool);
    if (!p) return FALSE; /* FIXME we leak e */
    *p = &e->symt;

    return TRUE;
}

struct symt_array* symt_new_array(struct module* module, int min, int max, 
345
                                  struct symt* base, struct symt* index)
346 347 348 349 350
{
    struct symt_array*  sym;

    if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
    {
351 352 353 354 355
        sym->symt.tag   = SymTagArrayType;
        sym->start      = min;
        sym->end        = max;
        sym->base_type  = base;
        sym->index_type = index;
356
        symt_add_type(module, &sym->symt);
357 358 359 360
    }
    return sym;
}

361
static inline DWORD symt_array_count(struct module* module, const struct symt_array* array)
362 363 364 365 366 367 368
{
    if (array->end < 0)
    {
        DWORD64 elem_size;
        /* One could want to also set the array->end field in array, but we won't do it
         * as long as all the get_type() helpers use const objects
         */
369
        if (symt_get_info(module, array->base_type, TI_GET_LENGTH, &elem_size) && elem_size)
370 371 372 373 374 375
            return -array->end / (DWORD)elem_size;
        return 0;
    }
    return array->end - array->start + 1;
}

376
struct symt_function_signature* symt_new_function_signature(struct module* module, 
377 378
                                                            struct symt* ret_type,
                                                            enum CV_call_e call_conv)
379
{
380
    struct symt_function_signature*     sym;
381 382 383 384 385

    if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
    {
        sym->symt.tag = SymTagFunctionType;
        sym->rettype  = ret_type;
386
        vector_init(&sym->vchildren, sizeof(struct symt*), 4);
387
        sym->call_conv = call_conv;
388
        symt_add_type(module, &sym->symt);
389 390 391 392
    }
    return sym;
}

393 394 395 396
BOOL symt_add_function_signature_parameter(struct module* module,
                                           struct symt_function_signature* sig_type,
                                           struct symt* param)
{
397 398
    struct symt**                       p;
    struct symt_function_arg_type*      arg;
399 400

    assert(sig_type->symt.tag == SymTagFunctionType);
401 402 403 404 405
    arg = pool_alloc(&module->pool, sizeof(*arg));
    if (!arg) return FALSE;
    arg->symt.tag = SymTagFunctionArgType;
    arg->arg_type = param;
    arg->container = &sig_type->symt;
406
    p = vector_add(&sig_type->vchildren, &module->pool);
407 408
    if (!p) return FALSE; /* FIXME we leak arg */
    *p = &arg->symt;
409 410 411 412

    return TRUE;
}

413
struct symt_pointer* symt_new_pointer(struct module* module, struct symt* ref_type, unsigned long size)
414 415 416 417 418 419 420
{
    struct symt_pointer*        sym;

    if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
    {
        sym->symt.tag = SymTagPointerType;
        sym->pointsto = ref_type;
421
        sym->size     = size;
422
        symt_add_type(module, &sym->symt);
423 424 425 426
    }
    return sym;
}

427 428 429 430 431 432 433 434 435 436 437
struct symt_typedef* symt_new_typedef(struct module* module, struct symt* ref, 
                                      const char* name)
{
    struct symt_typedef* sym;

    if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
    {
        sym->symt.tag = SymTagTypedef;
        sym->type     = ref;
        sym->hash_elt.name = pool_strdup(&module->pool, name);
        hash_table_add(&module->ht_types, &sym->hash_elt);
438
        symt_add_type(module, &sym->symt);
439 440 441 442
    }
    return sym;
}

443 444 445 446
/******************************************************************
 *		SymEnumTypes (DBGHELP.@)
 *
 */
447
BOOL WINAPI SymEnumTypes(HANDLE hProcess, ULONG64 BaseOfDll,
448
                         PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
449
                         PVOID UserContext)
450
{
Eric Pouech's avatar
Eric Pouech committed
451
    struct module_pair  pair;
452 453 454 455
    char                buffer[sizeof(SYMBOL_INFO) + 256];
    SYMBOL_INFO*        sym_info = (SYMBOL_INFO*)buffer;
    const char*         tmp;
    struct symt*        type;
456
    DWORD64             size;
457
    unsigned int        i;
458

459 460 461
    TRACE("(%p %s %p %p)\n",
          hProcess, wine_dbgstr_longlong(BaseOfDll), EnumSymbolsCallback,
          UserContext);
462

463 464 465
    if (!(pair.pcs = process_find_by_handle(hProcess))) return FALSE;
    pair.requested = module_find_by_addr(pair.pcs, BaseOfDll, DMT_UNKNOWN);
    if (!module_get_debug(&pair)) return FALSE;
466 467 468 469

    sym_info->SizeOfStruct = sizeof(SYMBOL_INFO);
    sym_info->MaxNameLen = sizeof(buffer) - sizeof(SYMBOL_INFO);

470
    for (i=0; i<vector_length(&pair.effective->vtypes); i++)
471
    {
472
        type = *(struct symt**)vector_at(&pair.effective->vtypes, i);
473
        sym_info->TypeIndex = symt_ptr2index(pair.effective, type);
474
        sym_info->Index = 0; /* FIXME */
475
        symt_get_info(pair.effective, type, TI_GET_LENGTH, &size);
476
        sym_info->Size = size;
Eric Pouech's avatar
Eric Pouech committed
477
        sym_info->ModBase = pair.requested->module.BaseOfImage;
478 479 480 481 482
        sym_info->Flags = 0; /* FIXME */
        sym_info->Value = 0; /* FIXME */
        sym_info->Address = 0; /* FIXME */
        sym_info->Register = 0; /* FIXME */
        sym_info->Scope = 0; /* FIXME */
483 484 485 486
        sym_info->Tag = type->tag;
        tmp = symt_get_name(type);
        if (tmp)
        {
487 488 489 490 491 492
            sym_info->NameLen = min(strlen(tmp),sym_info->MaxNameLen-1);
            memcpy(sym_info->Name, tmp, sym_info->NameLen);
            sym_info->Name[sym_info->NameLen] = '\0';
        }
        else
           sym_info->Name[sym_info->NameLen = 0] = '\0';
493 494 495 496 497
        if (!EnumSymbolsCallback(sym_info, sym_info->Size, UserContext)) break;
    }
    return TRUE;
}

498 499 500 501 502 503 504
struct enum_types_AtoW
{
    char                                buffer[sizeof(SYMBOL_INFOW) + 256 * sizeof(WCHAR)];
    void*                               user;
    PSYM_ENUMERATESYMBOLS_CALLBACKW     callback;
};

505
static BOOL CALLBACK enum_types_AtoW(PSYMBOL_INFO si, ULONG addr, PVOID _et)
506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529
{
    struct enum_types_AtoW*     et = _et;
    SYMBOL_INFOW*               siW = (SYMBOL_INFOW*)et->buffer;

    copy_symbolW(siW, si);
    return et->callback(siW, addr, et->user);
}

/******************************************************************
 *		SymEnumTypesW (DBGHELP.@)
 *
 */
BOOL WINAPI SymEnumTypesW(HANDLE hProcess, ULONG64 BaseOfDll,
                          PSYM_ENUMERATESYMBOLS_CALLBACKW EnumSymbolsCallback,
                          PVOID UserContext)
{
    struct enum_types_AtoW     et;

    et.callback = EnumSymbolsCallback;
    et.user = UserContext;

    return SymEnumTypes(hProcess, BaseOfDll, enum_types_AtoW, &et);
}

530 531 532
/******************************************************************
 *		symt_get_info
 *
533
 * Retrieves information about a symt (either symbol or type)
534
 */
535 536
BOOL symt_get_info(struct module* module, const struct symt* type,
                   IMAGEHLP_SYMBOL_TYPE_INFO req, void* pInfo)
537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555
{
    unsigned            len;

    if (!type) return FALSE;

/* helper to typecast pInfo to its expected type (_t) */
#define X(_t) (*((_t*)pInfo))

    switch (req)
    {
    case TI_FINDCHILDREN:
        {
            const struct vector*        v;
            struct symt**               pt;
            unsigned                    i;
            TI_FINDCHILDREN_PARAMS*     tifp = pInfo;

            switch (type->tag)
            {
556 557 558 559
            case SymTagUDT:          v = &((const struct symt_udt*)type)->vchildren; break;
            case SymTagEnum:         v = &((const struct symt_enum*)type)->vchildren; break;
            case SymTagFunctionType: v = &((const struct symt_function_signature*)type)->vchildren; break;
            case SymTagFunction:     v = &((const struct symt_function*)type)->vchildren; break;
560
            default:
561 562
                FIXME("Unsupported sym-tag %s for find-children\n", 
                      symt_get_tag_str(type->tag));
563 564 565 566 567
                return FALSE;
            }
            for (i = 0; i < tifp->Count; i++)
            {
                if (!(pt = vector_at(v, tifp->Start + i))) return FALSE;
568
                tifp->ChildId[i] = symt_ptr2index(module, *pt);
569 570 571 572 573
            }
        }
        break;

    case TI_GET_ADDRESS:
574
        return symt_get_address(type, (ULONG64*)pInfo);
575 576

    case TI_GET_BASETYPE:
577 578 579
        switch (type->tag)
        {
        case SymTagBaseType:
580
            X(DWORD) = ((const struct symt_basic*)type)->bt;
581 582 583 584 585 586 587
            break;
        case SymTagEnum:
            X(DWORD) = btInt;
            break;
        default:
            return FALSE;
        }
588 589 590
        break;

    case TI_GET_BITPOSITION:
591 592 593 594 595
        if (type->tag == SymTagData &&
            ((const struct symt_data*)type)->kind == DataIsMember &&
            ((const struct symt_data*)type)->u.member.length != 0)
            X(DWORD) = ((const struct symt_data*)type)->u.member.offset & 7;
        else return FALSE;
596 597 598 599 600 601
        break;

    case TI_GET_CHILDRENCOUNT:
        switch (type->tag)
        {
        case SymTagUDT:
602
            X(DWORD) = vector_length(&((const struct symt_udt*)type)->vchildren);
603 604
            break;
        case SymTagEnum:
605
            X(DWORD) = vector_length(&((const struct symt_enum*)type)->vchildren);
606
            break;
607
        case SymTagFunctionType:
608
            X(DWORD) = vector_length(&((const struct symt_function_signature*)type)->vchildren);
609 610
            break;
        case SymTagFunction:
611
            X(DWORD) = vector_length(&((const struct symt_function*)type)->vchildren);
612 613 614
            break;
        case SymTagPointerType: /* MS does it that way */
        case SymTagArrayType: /* MS does it that way */
615
        case SymTagThunk: /* MS does it that way */
616 617
            X(DWORD) = 0;
            break;
618
        default:
619 620
            FIXME("Unsupported sym-tag %s for get-children-count\n", 
                  symt_get_tag_str(type->tag));
621
            /* fall through */
622
        case SymTagData:
623 624 625 626 627 628 629
        case SymTagPublicSymbol:
        case SymTagBaseType:
            return FALSE;
        }
        break;

    case TI_GET_COUNT:
630 631 632
        switch (type->tag)
        {
        case SymTagArrayType:
633
            X(DWORD) = symt_array_count(module, (const struct symt_array*)type);
634 635 636 637 638 639 640 641 642
            break;
        case SymTagFunctionType:
            /* this seems to be wrong for (future) C++ methods, where 'this' parameter
             * should be included in this value (and not in GET_CHILDREN_COUNT)
             */
            X(DWORD) = vector_length(&((const struct symt_function_signature*)type)->vchildren);
            break;
        default: return FALSE;
        }
643 644 645 646
        break;

    case TI_GET_DATAKIND:
        if (type->tag != SymTagData) return FALSE;
647
        X(DWORD) = ((const struct symt_data*)type)->kind;
648 649 650 651 652 653
        break;

    case TI_GET_LENGTH:
        switch (type->tag)
        {
        case SymTagBaseType:
654
            X(DWORD64) = ((const struct symt_basic*)type)->size;
655 656
            break;
        case SymTagFunction:
657
            X(DWORD64) = ((const struct symt_function*)type)->size;
658 659
            break;
        case SymTagPointerType:
660
            X(DWORD64) = ((const struct symt_pointer*)type)->size;
661 662
            break;
        case SymTagUDT:
663
            X(DWORD64) = ((const struct symt_udt*)type)->size;
664 665
            break;
        case SymTagEnum:
666
            X(DWORD64) = sizeof(int); /* FIXME: should be size of base-type of enum !!! */
667 668
            break;
        case SymTagData:
669
            if (((const struct symt_data*)type)->kind != DataIsMember ||
670
                !((const struct symt_data*)type)->u.member.length)
671
                return FALSE;
672
            X(DWORD64) = ((const struct symt_data*)type)->u.member.length;
673
            break;
674 675
        case SymTagArrayType:
            if (!symt_get_info(module, ((const struct symt_array*)type)->base_type,
676 677
                               TI_GET_LENGTH, pInfo))
                return FALSE;
678
            X(DWORD64) *= symt_array_count(module, (const struct symt_array*)type);
679 680
            break;
        case SymTagPublicSymbol:
681
            X(DWORD64) = ((const struct symt_public*)type)->size;
682
            break;
683
        case SymTagTypedef:
684
            return symt_get_info(module, ((const struct symt_typedef*)type)->type, TI_GET_LENGTH, pInfo);
685
        case SymTagThunk:
686
            X(DWORD64) = ((const struct symt_thunk*)type)->size;
687
            break;
688 689 690
        case SymTagLabel:
            X(DWORD64) = 0;
            break;
691
        default:
692 693
            FIXME("Unsupported sym-tag %s for get-length\n", 
                  symt_get_tag_str(type->tag));
694 695
            /* fall through */
        case SymTagFunctionType:
696
            return FALSE;
697 698 699 700 701 702 703
        }
        break;

    case TI_GET_LEXICALPARENT:
        switch (type->tag)
        {
        case SymTagBlock:
704
            X(DWORD) = symt_ptr2index(module, ((const struct symt_block*)type)->container);
705 706
            break;
        case SymTagData:
707
            X(DWORD) = symt_ptr2index(module, ((const struct symt_data*)type)->container);
708 709
            break;
        case SymTagFunction:
710
            X(DWORD) = symt_ptr2index(module, ((const struct symt_function*)type)->container);
711 712
            break;
        case SymTagThunk:
713
            X(DWORD) = symt_ptr2index(module, ((const struct symt_thunk*)type)->container);
714
            break;
715
        case SymTagFunctionArgType:
716
            X(DWORD) = symt_ptr2index(module, ((const struct symt_function_arg_type*)type)->container);
717
            break;
718
        default:
719 720 721 722 723 724 725 726 727 728 729 730 731 732
            FIXME("Unsupported sym-tag %s for get-lexical-parent\n", 
                  symt_get_tag_str(type->tag));
            return FALSE;
        }
        break;

    case TI_GET_NESTED:
        switch (type->tag)
        {
        case SymTagUDT:
        case SymTagEnum:
            X(DWORD) = 0;
            break;
        default:
733 734 735 736 737 738 739 740
            return FALSE;
        }
        break;

    case TI_GET_OFFSET:
        switch (type->tag)
        {
        case SymTagData:
741
            switch (((const struct symt_data*)type)->kind)
742
            {
743 744
            case DataIsParam:
            case DataIsLocal:
745 746
                X(ULONG) = ((const struct symt_data*)type)->u.var.offset; 
                break;
747
            case DataIsMember:
748
                X(ULONG) = ((const struct symt_data*)type)->u.member.offset >> 3; 
749 750
                break;
            default:
751
                FIXME("Unknown kind (%u) for get-offset\n",     
752
                      ((const struct symt_data*)type)->kind);
753
                return FALSE;
754 755 756
            }
            break;
        default:
757 758
            FIXME("Unsupported sym-tag %s for get-offset\n", 
                  symt_get_tag_str(type->tag));
759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778
            return FALSE;
        }
        break;

    case TI_GET_SYMNAME:
        {
            const char* name = symt_get_name(type);
            if (!name) return FALSE;
            len = MultiByteToWideChar(CP_ACP, 0, name, -1, NULL, 0);
            X(WCHAR*) = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
            if (!X(WCHAR*)) return FALSE;
            MultiByteToWideChar(CP_ACP, 0, name, -1, X(WCHAR*), len);
        }
        break;

    case TI_GET_SYMTAG:
        X(DWORD) = type->tag;
        break;

    case TI_GET_TYPE:
779
    case TI_GET_TYPEID:
780 781
        switch (type->tag)
        {
782
            /* hierarchical => hierarchical */
783
        case SymTagArrayType:
784
            X(DWORD) = symt_ptr2index(module, ((const struct symt_array*)type)->base_type);
785 786
            break;
        case SymTagPointerType:
787
            X(DWORD) = symt_ptr2index(module, ((const struct symt_pointer*)type)->pointsto);
788 789
            break;
        case SymTagFunctionType:
790
            X(DWORD) = symt_ptr2index(module, ((const struct symt_function_signature*)type)->rettype);
791
            break;
792
        case SymTagTypedef:
793
            X(DWORD) = symt_ptr2index(module, ((const struct symt_typedef*)type)->type);
794 795
            break;
            /* lexical => hierarchical */
796
        case SymTagData:
797
            X(DWORD) = symt_ptr2index(module, ((const struct symt_data*)type)->type);
798
            break;
799
        case SymTagFunction:
800
            X(DWORD) = symt_ptr2index(module, ((const struct symt_function*)type)->type);
801
            break;
802
        case SymTagEnum:
803
            X(DWORD) = symt_ptr2index(module, ((const struct symt_enum*)type)->base_type);
804
            break;
805
        case SymTagFunctionArgType:
806
            X(DWORD) = symt_ptr2index(module, ((const struct symt_function_arg_type*)type)->arg_type);
807
            break;
808
        default:
809 810
            FIXME("Unsupported sym-tag %s for get-type\n", 
                  symt_get_tag_str(type->tag));
811
        /* fall through */
812
        case SymTagPublicSymbol:
813
        case SymTagThunk:
814
        case SymTagLabel:
815 816 817 818 819 820
            return FALSE;
        }
        break;

    case TI_GET_UDTKIND:
        if (type->tag != SymTagUDT) return FALSE;
821
        X(DWORD) = ((const struct symt_udt*)type)->kind;
822 823
        break;

824
    case TI_GET_VALUE:
825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853
        if (type->tag != SymTagData) return FALSE;
        switch (((const struct symt_data*)type)->kind)
        {
        case DataIsConstant: X(VARIANT) = ((const struct symt_data*)type)->u.value; break;
        case DataIsLocal:
        case DataIsParam:
            {
                struct location loc = ((const struct symt_data*)type)->u.var;
                unsigned                i;
                struct module_format*   modfmt;

                if (loc.kind < loc_user) return FALSE;
                for (i = 0; i < DFI_LAST; i++)
                {
                    modfmt = module->format_info[i];
                    if (modfmt && modfmt->loc_compute)
                    {
                        modfmt->loc_compute(module->process, modfmt,
                                            (const struct symt_function*)((const struct symt_data*)type)->container, &loc);
                        break;
                    }
                }
                if (loc.kind != loc_absolute) return FALSE;
                X(VARIANT).n1.n2.vt = VT_UI4; /* FIXME */
                X(VARIANT).n1.n2.n3.uiVal = loc.offset;
            }
            break;
        default: return FALSE;
        }
854 855
        break;

856 857 858 859 860 861 862 863 864
    case TI_GET_CALLING_CONVENTION:
        if (type->tag != SymTagFunctionType) return FALSE;
        if (((const struct symt_function_signature*)type)->call_conv == -1)
        {
            FIXME("No support for calling convention for this signature\n");
            X(DWORD) = CV_CALL_FAR_C; /* FIXME */
        }
        else X(DWORD) = ((const struct symt_function_signature*)type)->call_conv;
        break;
865 866
    case TI_GET_ARRAYINDEXTYPEID:
        if (type->tag != SymTagArrayType) return FALSE;
867
        X(DWORD) = symt_ptr2index(module, ((const struct symt_array*)type)->index_type);
868
        break;
869

870 871 872 873 874 875
    case TI_GET_CLASSPARENTID:
        /* FIXME: we don't support properly C++ for now, pretend this symbol doesn't
         * belong to a parent class
         */
        return FALSE;

876 877 878 879 880 881 882 883 884 885 886
#undef X

    case TI_GET_ADDRESSOFFSET:
    case TI_GET_SYMINDEX:
    case TI_GET_THISADJUST:
    case TI_GET_VIRTUALBASECLASS:
    case TI_GET_VIRTUALBASEPOINTEROFFSET:
    case TI_GET_VIRTUALTABLESHAPEID:
    case TI_IS_EQUIV_TO:
        FIXME("Unsupported GetInfo request (%u)\n", req);
        return FALSE;
887 888 889
    default:
        FIXME("Unknown GetInfo request (%u)\n", req);
        return FALSE;
890 891 892 893 894 895 896 897 898
    }

    return TRUE;
}

/******************************************************************
 *		SymGetTypeInfo (DBGHELP.@)
 *
 */
899
BOOL WINAPI SymGetTypeInfo(HANDLE hProcess, DWORD64 ModBase,
900 901 902
                           ULONG TypeId, IMAGEHLP_SYMBOL_TYPE_INFO GetType,
                           PVOID pInfo)
{
Eric Pouech's avatar
Eric Pouech committed
903
    struct module_pair  pair;
904

905 906
    pair.pcs = process_find_by_handle(hProcess);
    if (!pair.pcs) return FALSE;
907

908 909
    pair.requested = module_find_by_addr(pair.pcs, ModBase, DMT_UNKNOWN);
    if (!module_get_debug(&pair))
910
    {
911
        FIXME("Someone didn't properly set ModBase (%s)\n", wine_dbgstr_longlong(ModBase));
912 913
        return FALSE;
    }
914

915
    return symt_get_info(pair.effective, symt_index2ptr(pair.effective, TypeId), GetType, pInfo);
916 917 918 919 920 921
}

/******************************************************************
 *		SymGetTypeFromName (DBGHELP.@)
 *
 */
922
BOOL WINAPI SymGetTypeFromName(HANDLE hProcess, ULONG64 BaseOfDll,
923
                               PCSTR Name, PSYMBOL_INFO Symbol)
924 925
{
    struct process*     pcs = process_find_by_handle(hProcess);
926
    struct module_pair  pair;
927 928 929
    struct symt*        type;

    if (!pcs) return FALSE;
930 931 932
    pair.requested = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
    if (!module_get_debug(&pair)) return FALSE;
    type = symt_find_type_by_name(pair.effective, SymTagNull, Name);
933
    if (!type) return FALSE;
934
    Symbol->TypeIndex = symt_ptr2index(pair.effective, type);
935 936 937

    return TRUE;
}