dlls/dbghelp/module.c

   1 /*
   2  * File module.c - module handling for the wine debugger
   3  *
   4  * Copyright (C) 1993,      Eric Youngdale.
   5  *               2000-2007, 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
  22 #include "config.h"
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <assert.h>
  27
  28 #include "dbghelp_private.h"
  29 #include "image_private.h"
  30 #include "psapi.h"
  31 #include "winternl.h"
  32 #include "wine/debug.h"
  33 #include "wine/heap.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
  36
  37 #define NOTE_GNU_BUILD_ID  3
  38
  39 const WCHAR        S_ElfW[]         = {'<','e','l','f','>','\0'};
  40 const WCHAR        S_WineLoaderW[]  = {'<','w','i','n','e','-','l','o','a','d','e','r','>','\0'};
  41 static const WCHAR S_DotSoW[]       = {'.','s','o','\0'};
  42 const WCHAR        S_SlashW[]       = {'/','\0'};
  43
  44 static const WCHAR S_AcmW[] = {'.','a','c','m','\0'};
  45 static const WCHAR S_DllW[] = {'.','d','l','l','\0'};
  46 static const WCHAR S_DrvW[] = {'.','d','r','v','\0'};
  47 static const WCHAR S_ExeW[] = {'.','e','x','e','\0'};
  48 static const WCHAR S_OcxW[] = {'.','o','c','x','\0'};
  49 static const WCHAR S_VxdW[] = {'.','v','x','d','\0'};
  50 static const WCHAR * const ext[] = {S_AcmW, S_DllW, S_DrvW, S_ExeW, S_OcxW, S_VxdW, NULL};
  51
  52 static int match_ext(const WCHAR* ptr, size_t len)
  53 {
  54     const WCHAR* const *e;
  55     size_t      l;
  56
  57     for (e = ext; *e; e++)
  58     {
  59         l = strlenW(*e);
  60         if (l >= len) return 0;
  61         if (strncmpiW(&ptr[len - l], *e, l)) continue;
  62         return l;
  63     }
  64     return 0;
  65 }
  66
  67 static const WCHAR* get_filename(const WCHAR* name, const WCHAR* endptr)
  68 {
  69     const WCHAR*        ptr;
  70
  71     if (!endptr) endptr = name + strlenW(name);
  72     for (ptr = endptr - 1; ptr >= name; ptr--)
  73     {
  74         if (*ptr == '/' || *ptr == '\\') break;
  75     }
  76     return ++ptr;
  77 }
  78
  79 static BOOL is_wine_loader(const WCHAR *module)
  80 {
  81     static const WCHAR wineW[] = {'w','i','n','e',0};
  82     static const WCHAR suffixW[] = {'6','4',0};
  83     const WCHAR *filename = get_filename(module, NULL);
  84     const char *ptr;
  85     BOOL ret = FALSE;
  86     WCHAR *buffer;
  87     DWORD len;
  88
  89     if ((ptr = getenv("WINELOADER")))
  90     {
  91         ptr = file_nameA(ptr);
  92         len = 2 + MultiByteToWideChar( CP_UNIXCP, 0, ptr, -1, NULL, 0 );
  93         buffer = heap_alloc( len * sizeof(WCHAR) );
  94         MultiByteToWideChar( CP_UNIXCP, 0, ptr, -1, buffer, len );
  95     }
  96     else
  97     {
  98         buffer = heap_alloc( sizeof(wineW) + 2 * sizeof(WCHAR) );
  99         strcpyW( buffer, wineW );
 100     }
 101
 102     if (!strcmpW( filename, buffer ))
 103         ret = TRUE;
 104
 105     strcatW( buffer, suffixW );
 106     if (!strcmpW( filename, buffer ))
 107         ret = TRUE;
 108
 109     heap_free( buffer );
 110     return ret;
 111 }
 112
 113 static void module_fill_module(const WCHAR* in, WCHAR* out, size_t size)
 114 {
 115     const WCHAR *ptr, *endptr;
 116     size_t      len, l;
 117
 118     ptr = get_filename(in, endptr = in + strlenW(in));
 119     len = min(endptr - ptr, size - 1);
 120     memcpy(out, ptr, len * sizeof(WCHAR));
 121     out[len] = '\0';
 122     if (len > 4 && (l = match_ext(out, len)))
 123         out[len - l] = '\0';
 124     else if (is_wine_loader(out))
 125         lstrcpynW(out, S_WineLoaderW, size);
 126     else
 127     {
 128         if (len > 3 && !strcmpiW(&out[len - 3], S_DotSoW) &&
 129             (l = match_ext(out, len - 3)))
 130             strcpyW(&out[len - l - 3], S_ElfW);
 131     }
 132     while ((*out = tolowerW(*out))) out++;
 133 }
 134
 135 void module_set_module(struct module* module, const WCHAR* name)
 136 {
 137     module_fill_module(name, module->module.ModuleName, ARRAY_SIZE(module->module.ModuleName));
 138     module_fill_module(name, module->modulename, ARRAY_SIZE(module->modulename));
 139 }
 140
 141 /* Returned string must be freed by caller */
 142 WCHAR *get_wine_loader_name(struct process *pcs)
 143 {
 144     static const WCHAR wineW[] = {'w','i','n','e',0};
 145     static const WCHAR suffixW[] = {'6','4',0};
 146     WCHAR *buffer, *p;
 147     const char *env;
 148
 149     /* All binaries are loaded with WINELOADER (if run from tree) or by the
 150      * main executable
 151      */
 152     if ((env = getenv("WINELOADER")))
 153     {
 154         DWORD len = 2 + MultiByteToWideChar( CP_UNIXCP, 0, env, -1, NULL, 0 );
 155         buffer = heap_alloc( len * sizeof(WCHAR) );
 156         MultiByteToWideChar( CP_UNIXCP, 0, env, -1, buffer, len );
 157     }
 158     else
 159     {
 160         buffer = heap_alloc( sizeof(wineW) + 2 * sizeof(WCHAR) );
 161         strcpyW( buffer, wineW );
 162     }
 163
 164     p = buffer + strlenW( buffer ) - strlenW( suffixW );
 165     if (p > buffer && !strcmpW( p, suffixW ))
 166         *p = 0;
 167
 168     if (pcs->is_64bit)
 169         strcatW(buffer, suffixW);
 170
 171     TRACE( "returning %s\n", debugstr_w(buffer) );
 172     return buffer;
 173 }
 174
 175 static const char*      get_module_type(enum module_type type, BOOL virtual)
 176 {
 177     switch (type)
 178     {
 179     case DMT_ELF: return virtual ? "Virtual ELF" : "ELF";
 180     case DMT_PE: return virtual ? "Virtual PE" : "PE";
 181     case DMT_MACHO: return virtual ? "Virtual Mach-O" : "Mach-O";
 182     default: return "---";
 183     }
 184 }
 185
 186 /***********************************************************************
 187  * Creates and links a new module to a process
 188  */
 189 struct module* module_new(struct process* pcs, const WCHAR* name,
 190                           enum module_type type, BOOL virtual,
 191                           DWORD64 mod_addr, DWORD64 size,
 192                           ULONG_PTR stamp, ULONG_PTR checksum)
 193 {
 194     struct module*      module;
 195     unsigned            i;
 196
 197     assert(type == DMT_ELF || type == DMT_PE || type == DMT_MACHO);
 198     if (!(module = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*module))))
 199         return NULL;
 200
 201     module->next = pcs->lmodules;
 202     pcs->lmodules = module;
 203
 204     TRACE("=> %s %s-%s %s\n",
 205           get_module_type(type, virtual),
 206           wine_dbgstr_longlong(mod_addr), wine_dbgstr_longlong(mod_addr + size),
 207           debugstr_w(name));
 208
 209     pool_init(&module->pool, 65536);
 210
 211     module->process = pcs;
 212     module->module.SizeOfStruct = sizeof(module->module);
 213     module->module.BaseOfImage = mod_addr;
 214     module->module.ImageSize = size;
 215     module_set_module(module, name);
 216     module->module.ImageName[0] = '\0';
 217     lstrcpynW(module->module.LoadedImageName, name, ARRAY_SIZE(module->module.LoadedImageName));
 218     module->module.SymType = SymNone;
 219     module->module.NumSyms = 0;
 220     module->module.TimeDateStamp = stamp;
 221     module->module.CheckSum = checksum;
 222
 223     memset(module->module.LoadedPdbName, 0, sizeof(module->module.LoadedPdbName));
 224     module->module.CVSig = 0;
 225     memset(module->module.CVData, 0, sizeof(module->module.CVData));
 226     module->module.PdbSig = 0;
 227     memset(&module->module.PdbSig70, 0, sizeof(module->module.PdbSig70));
 228     module->module.PdbAge = 0;
 229     module->module.PdbUnmatched = FALSE;
 230     module->module.DbgUnmatched = FALSE;
 231     module->module.LineNumbers = FALSE;
 232     module->module.GlobalSymbols = FALSE;
 233     module->module.TypeInfo = FALSE;
 234     module->module.SourceIndexed = FALSE;
 235     module->module.Publics = FALSE;
 236
 237     module->reloc_delta       = 0;
 238     module->type              = type;
 239     module->is_virtual        = virtual;
 240     for (i = 0; i < DFI_LAST; i++) module->format_info[i] = NULL;
 241     module->sortlist_valid    = FALSE;
 242     module->sorttab_size      = 0;
 243     module->addr_sorttab      = NULL;
 244     module->num_sorttab       = 0;
 245     module->num_symbols       = 0;
 246
 247     vector_init(&module->vsymt, sizeof(struct symt*), 128);
 248     /* FIXME: this seems a bit too high (on a per module basis)
 249      * need some statistics about this
 250      */
 251     hash_table_init(&module->pool, &module->ht_symbols, 4096);
 252     hash_table_init(&module->pool, &module->ht_types,   4096);
 253     vector_init(&module->vtypes, sizeof(struct symt*),  32);
 254
 255     module->sources_used      = 0;
 256     module->sources_alloc     = 0;
 257     module->sources           = 0;
 258     wine_rb_init(&module->sources_offsets_tree, source_rb_compare);
 259
 260     return module;
 261 }
 262
 263 /***********************************************************************
 264  *      module_find_by_nameW
 265  *
 266  */
 267 struct module* module_find_by_nameW(const struct process* pcs, const WCHAR* name)
 268 {
 269     struct module*      module;
 270
 271     for (module = pcs->lmodules; module; module = module->next)
 272     {
 273         if (!strcmpiW(name, module->module.ModuleName)) return module;
 274     }
 275     SetLastError(ERROR_INVALID_NAME);
 276     return NULL;
 277 }
 278
 279 struct module* module_find_by_nameA(const struct process* pcs, const char* name)
 280 {
 281     WCHAR wname[MAX_PATH];
 282
 283     MultiByteToWideChar(CP_ACP, 0, name, -1, wname, ARRAY_SIZE(wname));
 284     return module_find_by_nameW(pcs, wname);
 285 }
 286
 287 /***********************************************************************
 288  *      module_is_already_loaded
 289  *
 290  */
 291 struct module* module_is_already_loaded(const struct process* pcs, const WCHAR* name)
 292 {
 293     struct module*      module;
 294     const WCHAR*        filename;
 295
 296     /* first compare the loaded image name... */
 297     for (module = pcs->lmodules; module; module = module->next)
 298     {
 299         if (!strcmpiW(name, module->module.LoadedImageName))
 300             return module;
 301     }
 302     /* then compare the standard filenames (without the path) ... */
 303     filename = get_filename(name, NULL);
 304     for (module = pcs->lmodules; module; module = module->next)
 305     {
 306         if (!strcmpiW(filename, get_filename(module->module.LoadedImageName, NULL)))
 307             return module;
 308     }
 309     SetLastError(ERROR_INVALID_NAME);
 310     return NULL;
 311 }
 312
 313 /***********************************************************************
 314  *           module_get_container
 315  *
 316  */
 317 static struct module* module_get_container(const struct process* pcs,
 318                                     const struct module* inner)
 319 {
 320     struct module*      module;
 321
 322     for (module = pcs->lmodules; module; module = module->next)
 323     {
 324         if (module != inner &&
 325             module->module.BaseOfImage <= inner->module.BaseOfImage &&
 326             module->module.BaseOfImage + module->module.ImageSize >=
 327             inner->module.BaseOfImage + inner->module.ImageSize)
 328             return module;
 329     }
 330     return NULL;
 331 }
 332
 333 /***********************************************************************
 334  *           module_get_containee
 335  *
 336  */
 337 struct module* module_get_containee(const struct process* pcs, const struct module* outer)
 338 {
 339     struct module*      module;
 340
 341     for (module = pcs->lmodules; module; module = module->next)
 342     {
 343         if (module != outer &&
 344             outer->module.BaseOfImage <= module->module.BaseOfImage &&
 345             outer->module.BaseOfImage + outer->module.ImageSize >=
 346             module->module.BaseOfImage + module->module.ImageSize)
 347             return module;
 348     }
 349     return NULL;
 350 }
 351
 352 /******************************************************************
 353  *              module_get_debug
 354  *
 355  * get the debug information from a module:
 356  * - if the module's type is deferred, then force loading of debug info (and return
 357  *   the module itself)
 358  * - if the module has no debug info and has an ELF container, then return the ELF
 359  *   container (and also force the ELF container's debug info loading if deferred)
 360  * - otherwise return the module itself if it has some debug info
 361  */
 362 BOOL module_get_debug(struct module_pair* pair)
 363 {
 364     IMAGEHLP_DEFERRED_SYMBOL_LOADW64    idslW64;
 365
 366     if (!pair->requested) return FALSE;
 367     /* for a PE builtin, always get info from container */
 368     if (!(pair->effective = module_get_container(pair->pcs, pair->requested)))
 369         pair->effective = pair->requested;
 370     /* if deferred, force loading */
 371     if (pair->effective->module.SymType == SymDeferred)
 372     {
 373         BOOL ret;
 374
 375         if (pair->effective->is_virtual) ret = FALSE;
 376         else if (pair->effective->type == DMT_PE)
 377         {
 378             idslW64.SizeOfStruct = sizeof(idslW64);
 379             idslW64.BaseOfImage = pair->effective->module.BaseOfImage;
 380             idslW64.CheckSum = pair->effective->module.CheckSum;
 381             idslW64.TimeDateStamp = pair->effective->module.TimeDateStamp;
 382             memcpy(idslW64.FileName, pair->effective->module.ImageName,
 383                    sizeof(pair->effective->module.ImageName));
 384             idslW64.Reparse = FALSE;
 385             idslW64.hFile = INVALID_HANDLE_VALUE;
 386
 387             pcs_callback(pair->pcs, CBA_DEFERRED_SYMBOL_LOAD_START, &idslW64);
 388             ret = pe_load_debug_info(pair->pcs, pair->effective);
 389             pcs_callback(pair->pcs,
 390                          ret ? CBA_DEFERRED_SYMBOL_LOAD_COMPLETE : CBA_DEFERRED_SYMBOL_LOAD_FAILURE,
 391                          &idslW64);
 392         }
 393         else ret = pair->pcs->loader->load_debug_info(pair->pcs, pair->effective);
 394
 395         if (!ret) pair->effective->module.SymType = SymNone;
 396         assert(pair->effective->module.SymType != SymDeferred);
 397         pair->effective->module.NumSyms = pair->effective->ht_symbols.num_elts;
 398     }
 399     return pair->effective->module.SymType != SymNone;
 400 }
 401
 402 /***********************************************************************
 403  *      module_find_by_addr
 404  *
 405  * either the addr where module is loaded, or any address inside the
 406  * module
 407  */
 408 struct module* module_find_by_addr(const struct process* pcs, DWORD64 addr,
 409                                    enum module_type type)
 410 {
 411     struct module*      module;
 412
 413     if (type == DMT_UNKNOWN)
 414     {
 415         if ((module = module_find_by_addr(pcs, addr, DMT_PE)) ||
 416             (module = module_find_by_addr(pcs, addr, DMT_ELF)) ||
 417             (module = module_find_by_addr(pcs, addr, DMT_MACHO)))
 418             return module;
 419     }
 420     else
 421     {
 422         for (module = pcs->lmodules; module; module = module->next)
 423         {
 424             if (type == module->type && addr >= module->module.BaseOfImage &&
 425                 addr < module->module.BaseOfImage + module->module.ImageSize)
 426                 return module;
 427         }
 428     }
 429     SetLastError(ERROR_MOD_NOT_FOUND);
 430     return module;
 431 }
 432
 433 /******************************************************************
 434  *              module_is_container_loaded
 435  *
 436  * checks whether the native container, for a (supposed) PE builtin is
 437  * already loaded
 438  */
 439 static BOOL module_is_container_loaded(const struct process* pcs,
 440                                        const WCHAR* ImageName, DWORD64 base)
 441 {
 442     size_t              len;
 443     struct module*      module;
 444     PCWSTR              filename, modname;
 445
 446     if (!base) return FALSE;
 447     filename = get_filename(ImageName, NULL);
 448     len = strlenW(filename);
 449
 450     for (module = pcs->lmodules; module; module = module->next)
 451     {
 452         if ((module->type == DMT_ELF || module->type == DMT_MACHO) &&
 453             base >= module->module.BaseOfImage &&
 454             base < module->module.BaseOfImage + module->module.ImageSize)
 455         {
 456             modname = get_filename(module->module.LoadedImageName, NULL);
 457             if (!strncmpiW(modname, filename, len) &&
 458                 !memcmp(modname + len, S_DotSoW, 3 * sizeof(WCHAR)))
 459             {
 460                 return TRUE;
 461             }
 462         }
 463     }
 464     /* likely a native PE module */
 465     WARN("Couldn't find container for %s\n", debugstr_w(ImageName));
 466     return FALSE;
 467 }
 468
 469 static BOOL image_check_debug_link(const WCHAR* file, struct image_file_map* fmap, DWORD link_crc)
 470 {
 471     DWORD read_bytes;
 472     HANDLE handle;
 473     WCHAR *path;
 474     WORD magic;
 475     BOOL ret;
 476
 477     path = get_dos_file_name(file);
 478     handle = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
 479     heap_free(path);
 480     if (handle == INVALID_HANDLE_VALUE) return FALSE;
 481
 482     if (link_crc)
 483     {
 484         DWORD crc = calc_crc32(handle);
 485         if (crc != link_crc)
 486         {
 487             WARN("Bad CRC for file %s (got %08x while expecting %08x)\n",  debugstr_w(file), crc, link_crc);
 488             CloseHandle(handle);
 489             return FALSE;
 490         }
 491     }
 492
 493     SetFilePointer(handle, 0, 0, FILE_BEGIN);
 494     if (ReadFile(handle, &magic, sizeof(magic), &read_bytes, NULL) && magic == IMAGE_DOS_SIGNATURE)
 495         ret = pe_map_file(handle, fmap, DMT_PE);
 496     else
 497         ret = elf_map_handle(handle, fmap);
 498     CloseHandle(handle);
 499     return ret;
 500 }
 501
 502 /******************************************************************
 503  *              image_locate_debug_link
 504  *
 505  * Locate a filename from a .gnu_debuglink section, using the same
 506  * strategy as gdb:
 507  * "If the full name of the directory containing the executable is
 508  * execdir, and the executable has a debug link that specifies the
 509  * name debugfile, then GDB will automatically search for the
 510  * debugging information file in three places:
 511  *  - the directory containing the executable file (that is, it
 512  *    will look for a file named `execdir/debugfile',
 513  *  - a subdirectory of that directory named `.debug' (that is, the
 514  *    file `execdir/.debug/debugfile', and
 515  *  - a subdirectory of the global debug file directory that includes
 516  *    the executable's full path, and the name from the link (that is,
 517  *    the file `globaldebugdir/execdir/debugfile', where globaldebugdir
 518  *    is the global debug file directory, and execdir has been turned
 519  *    into a relative path)." (from GDB manual)
 520  */
 521 static BOOL image_locate_debug_link(const struct module* module, struct image_file_map* fmap, const char* filename, DWORD crc)
 522 {
 523     static const WCHAR globalDebugDirW[] = {'/','u','s','r','/','l','i','b','/','d','e','b','u','g','/'};
 524     static const WCHAR dotDebugW[] = {'.','d','e','b','u','g','/'};
 525     const size_t globalDebugDirLen = ARRAY_SIZE(globalDebugDirW);
 526     size_t filename_len, path_len;
 527     WCHAR* p = NULL;
 528     WCHAR* slash;
 529     WCHAR* slash2;
 530     struct image_file_map* fmap_link = NULL;
 531
 532     fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
 533     if (!fmap_link) return FALSE;
 534
 535     filename_len = MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, NULL, 0);
 536     path_len = strlenW(module->module.LoadedImageName);
 537     if (module->real_path) path_len = max(path_len, strlenW(module->real_path));
 538     p = HeapAlloc(GetProcessHeap(), 0,
 539                   (globalDebugDirLen + path_len + 6 + 1 + filename_len + 1) * sizeof(WCHAR));
 540     if (!p) goto found;
 541
 542     /* we prebuild the string with "execdir" */
 543     strcpyW(p, module->module.LoadedImageName);
 544     slash = p;
 545     if ((slash2 = strrchrW(slash, '/'))) slash = slash2 + 1;
 546     if ((slash2 = strrchrW(slash, '\\'))) slash = slash2 + 1;
 547
 548     /* testing execdir/filename */
 549     MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
 550     if (image_check_debug_link(p, fmap_link, crc)) goto found;
 551
 552     /* testing execdir/.debug/filename */
 553     memcpy(slash, dotDebugW, sizeof(dotDebugW));
 554     MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash + ARRAY_SIZE(dotDebugW), filename_len);
 555     if (image_check_debug_link(p, fmap_link, crc)) goto found;
 556
 557     if (module->real_path)
 558     {
 559         strcpyW(p, module->real_path);
 560         slash = p;
 561         if ((slash2 = strrchrW(slash, '/'))) slash = slash2 + 1;
 562         if ((slash2 = strrchrW(slash, '\\'))) slash = slash2 + 1;
 563         MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
 564         if (image_check_debug_link(p, fmap_link, crc)) goto found;
 565     }
 566
 567     /* testing globaldebugdir/execdir/filename */
 568     memmove(p + globalDebugDirLen, p, (slash - p) * sizeof(WCHAR));
 569     memcpy(p, globalDebugDirW, globalDebugDirLen * sizeof(WCHAR));
 570     slash += globalDebugDirLen;
 571     MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
 572     if (image_check_debug_link(p, fmap_link, crc)) goto found;
 573
 574     /* finally testing filename */
 575     if (image_check_debug_link(slash, fmap_link, crc)) goto found;
 576
 577
 578     WARN("Couldn't locate or map %s\n", filename);
 579     HeapFree(GetProcessHeap(), 0, p);
 580     HeapFree(GetProcessHeap(), 0, fmap_link);
 581     return FALSE;
 582
 583 found:
 584     TRACE("Located debug information file %s at %s\n", filename, debugstr_w(p));
 585     HeapFree(GetProcessHeap(), 0, p);
 586     fmap->alternate = fmap_link;
 587     return TRUE;
 588 }
 589
 590 /******************************************************************
 591  *              image_locate_build_id_target
 592  *
 593  * Try to find the .so file containing the debug info out of the build-id note information
 594  */
 595 static BOOL image_locate_build_id_target(struct image_file_map* fmap, const BYTE* id, unsigned idlen)
 596 {
 597     static const WCHAR globalDebugDirW[] = {'/','u','s','r','/','l','i','b','/','d','e','b','u','g','/'};
 598     static const WCHAR buildidW[] = {'.','b','u','i','l','d','-','i','d','/'};
 599     static const WCHAR dotDebug0W[] = {'.','d','e','b','u','g',0};
 600     struct image_file_map* fmap_link = NULL;
 601     WCHAR* p;
 602     WCHAR* z;
 603     const BYTE* idend = id + idlen;
 604
 605     fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
 606     if (!fmap_link) return FALSE;
 607
 608     p = HeapAlloc(GetProcessHeap(), 0,
 609                   sizeof(globalDebugDirW) + sizeof(buildidW) +
 610                   (idlen * 2 + 1) * sizeof(WCHAR) + sizeof(dotDebug0W));
 611     z = p;
 612     memcpy(z, globalDebugDirW, sizeof(globalDebugDirW));
 613     z += ARRAY_SIZE(globalDebugDirW);
 614     memcpy(z, buildidW, sizeof(buildidW));
 615     z += ARRAY_SIZE(buildidW);
 616
 617     if (id < idend)
 618     {
 619         *z++ = "0123456789abcdef"[*id >> 4  ];
 620         *z++ = "0123456789abcdef"[*id & 0x0F];
 621         id++;
 622     }
 623     if (id < idend)
 624         *z++ = '/';
 625     while (id < idend)
 626     {
 627         *z++ = "0123456789abcdef"[*id >> 4  ];
 628         *z++ = "0123456789abcdef"[*id & 0x0F];
 629         id++;
 630     }
 631     memcpy(z, dotDebug0W, sizeof(dotDebug0W));
 632     TRACE("checking %s\n", wine_dbgstr_w(p));
 633
 634     if (image_check_debug_link(p, fmap_link, 0))
 635     {
 636         struct image_section_map buildid_sect;
 637         if (image_find_section(fmap_link, ".note.gnu.build-id", &buildid_sect))
 638         {
 639             const UINT32* note;
 640
 641             note = (const UINT32*)image_map_section(&buildid_sect);
 642             if (note != IMAGE_NO_MAP)
 643             {
 644                 /* the usual ELF note structure: name-size desc-size type <name> <desc> */
 645                 if (note[2] == NOTE_GNU_BUILD_ID)
 646                 {
 647                     if (note[1] == idlen &&
 648                         !memcmp(note + 3 + ((note[0] + 3) >> 2), idend - idlen, idlen))
 649                     {
 650                         TRACE("Located debug information file at %s\n", debugstr_w(p));
 651                         HeapFree(GetProcessHeap(), 0, p);
 652                         fmap->alternate = fmap_link;
 653                         return TRUE;
 654                     }
 655                     WARN("mismatch in buildid information for %s\n", wine_dbgstr_w(p));
 656                 }
 657             }
 658             image_unmap_section(&buildid_sect);
 659         }
 660         image_unmap_file(fmap_link);
 661     }
 662
 663     TRACE("not found\n");
 664     HeapFree(GetProcessHeap(), 0, p);
 665     HeapFree(GetProcessHeap(), 0, fmap_link);
 666     return FALSE;
 667 }
 668
 669 /******************************************************************
 670  *              image_check_alternate
 671  *
 672  * Load alternate files for a given image file, looking at either .note.gnu_build-id
 673  * or .gnu_debuglink sections.
 674  */
 675 BOOL image_check_alternate(struct image_file_map* fmap, const struct module* module)
 676 {
 677     BOOL ret = FALSE;
 678     BOOL found = FALSE;
 679     struct image_section_map buildid_sect, debuglink_sect;
 680
 681     /* if present, add the .gnu_debuglink file as an alternate to current one */
 682     if (image_find_section(fmap, ".note.gnu.build-id", &buildid_sect))
 683     {
 684         const UINT32* note;
 685
 686         found = TRUE;
 687         note = (const UINT32*)image_map_section(&buildid_sect);
 688         if (note != IMAGE_NO_MAP)
 689         {
 690             /* the usual ELF note structure: name-size desc-size type <name> <desc> */
 691             if (note[2] == NOTE_GNU_BUILD_ID)
 692             {
 693                 ret = image_locate_build_id_target(fmap, (const BYTE*)(note + 3 + ((note[0] + 3) >> 2)), note[1]);
 694             }
 695         }
 696         image_unmap_section(&buildid_sect);
 697     }
 698     /* if present, add the .gnu_debuglink file as an alternate to current one */
 699     if (!ret && image_find_section(fmap, ".gnu_debuglink", &debuglink_sect))
 700     {
 701         const char* dbg_link;
 702
 703         found = TRUE;
 704         dbg_link = (const char*)image_map_section(&debuglink_sect);
 705         if (dbg_link != IMAGE_NO_MAP)
 706         {
 707             /* The content of a debug link section is:
 708              * 1/ a NULL terminated string, containing the file name for the
 709              *    debug info
 710              * 2/ padding on 4 byte boundary
 711              * 3/ CRC of the linked file
 712              */
 713             DWORD crc = *(const DWORD*)(dbg_link + ((DWORD_PTR)(strlen(dbg_link) + 4) & ~3));
 714             ret = image_locate_debug_link(module, fmap, dbg_link, crc);
 715             if (!ret)
 716                 WARN("Couldn't load linked debug file for %s\n",
 717                      debugstr_w(module->module.ModuleName));
 718         }
 719         image_unmap_section(&debuglink_sect);
 720     }
 721     return found ? ret : TRUE;
 722 }
 723
 724 /***********************************************************************
 725  *                      SymLoadModule (DBGHELP.@)
 726  */
 727 DWORD WINAPI SymLoadModule(HANDLE hProcess, HANDLE hFile, PCSTR ImageName,
 728                            PCSTR ModuleName, DWORD BaseOfDll, DWORD SizeOfDll)
 729 {
 730     return SymLoadModuleEx(hProcess, hFile, ImageName, ModuleName, BaseOfDll,
 731                            SizeOfDll, NULL, 0);
 732 }
 733
 734 /***********************************************************************
 735  *                      SymLoadModuleEx (DBGHELP.@)
 736  */
 737 DWORD64 WINAPI  SymLoadModuleEx(HANDLE hProcess, HANDLE hFile, PCSTR ImageName,
 738                                 PCSTR ModuleName, DWORD64 BaseOfDll, DWORD DllSize,
 739                                 PMODLOAD_DATA Data, DWORD Flags)
 740 {
 741     PWSTR       wImageName, wModuleName;
 742     unsigned    len;
 743     DWORD64     ret;
 744
 745     TRACE("(%p %p %s %s %s %08x %p %08x)\n",
 746           hProcess, hFile, debugstr_a(ImageName), debugstr_a(ModuleName),
 747           wine_dbgstr_longlong(BaseOfDll), DllSize, Data, Flags);
 748
 749     if (ImageName)
 750     {
 751         len = MultiByteToWideChar(CP_ACP, 0, ImageName, -1, NULL, 0);
 752         wImageName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 753         MultiByteToWideChar(CP_ACP, 0, ImageName, -1, wImageName, len);
 754     }
 755     else wImageName = NULL;
 756     if (ModuleName)
 757     {
 758         len = MultiByteToWideChar(CP_ACP, 0, ModuleName, -1, NULL, 0);
 759         wModuleName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 760         MultiByteToWideChar(CP_ACP, 0, ModuleName, -1, wModuleName, len);
 761     }
 762     else wModuleName = NULL;
 763
 764     ret = SymLoadModuleExW(hProcess, hFile, wImageName, wModuleName,
 765                           BaseOfDll, DllSize, Data, Flags);
 766     HeapFree(GetProcessHeap(), 0, wImageName);
 767     HeapFree(GetProcessHeap(), 0, wModuleName);
 768     return ret;
 769 }
 770
 771 /***********************************************************************
 772  *                      SymLoadModuleExW (DBGHELP.@)
 773  */
 774 DWORD64 WINAPI  SymLoadModuleExW(HANDLE hProcess, HANDLE hFile, PCWSTR wImageName,
 775                                  PCWSTR wModuleName, DWORD64 BaseOfDll, DWORD SizeOfDll,
 776                                  PMODLOAD_DATA Data, DWORD Flags)
 777 {
 778     struct process*     pcs;
 779     struct module*      module = NULL;
 780
 781     TRACE("(%p %p %s %s %s %08x %p %08x)\n",
 782           hProcess, hFile, debugstr_w(wImageName), debugstr_w(wModuleName),
 783           wine_dbgstr_longlong(BaseOfDll), SizeOfDll, Data, Flags);
 784
 785     if (Data)
 786         FIXME("Unsupported load data parameter %p for %s\n",
 787               Data, debugstr_w(wImageName));
 788     if (!validate_addr64(BaseOfDll)) return FALSE;
 789
 790     if (!(pcs = process_find_by_handle(hProcess))) return FALSE;
 791
 792     if (Flags & SLMFLAG_VIRTUAL)
 793     {
 794         if (!wImageName) return FALSE;
 795         module = module_new(pcs, wImageName, DMT_PE, TRUE, BaseOfDll, SizeOfDll, 0, 0);
 796         if (!module) return FALSE;
 797         if (wModuleName) module_set_module(module, wModuleName);
 798         module->module.SymType = SymVirtual;
 799
 800         return TRUE;
 801     }
 802     if (Flags & ~(SLMFLAG_VIRTUAL))
 803         FIXME("Unsupported Flags %08x for %s\n", Flags, debugstr_w(wImageName));
 804
 805     pcs->loader->synchronize_module_list(pcs);
 806
 807     /* this is a Wine extension to the API just to redo the synchronisation */
 808     if (!wImageName && !hFile) return 0;
 809
 810     /* check if the module is already loaded, or if it's a builtin PE module with
 811      * an containing ELF module
 812      */
 813     if (wImageName)
 814     {
 815         module = module_is_already_loaded(pcs, wImageName);
 816         if (!module && module_is_container_loaded(pcs, wImageName, BaseOfDll))
 817         {
 818             /* force the loading of DLL as builtin */
 819             module = pe_load_builtin_module(pcs, wImageName, BaseOfDll, SizeOfDll);
 820         }
 821     }
 822     if (!module)
 823     {
 824         /* otherwise, try a regular PE module */
 825         if (!(module = pe_load_native_module(pcs, wImageName, hFile, BaseOfDll, SizeOfDll)) &&
 826             wImageName)
 827         {
 828             /* and finally an ELF or Mach-O module */
 829             module = pcs->loader->load_module(pcs, wImageName, BaseOfDll);
 830         }
 831     }
 832     if (!module)
 833     {
 834         WARN("Couldn't locate %s\n", debugstr_w(wImageName));
 835         return 0;
 836     }
 837     module->module.NumSyms = module->ht_symbols.num_elts;
 838     /* by default module_new fills module.ModuleName from a derivation
 839      * of LoadedImageName. Overwrite it, if we have better information
 840      */
 841     if (wModuleName)
 842         module_set_module(module, wModuleName);
 843     if (wImageName)
 844         lstrcpynW(module->module.ImageName, wImageName, ARRAY_SIZE(module->module.ImageName));
 845
 846     return module->module.BaseOfImage;
 847 }
 848
 849 /***********************************************************************
 850  *                     SymLoadModule64 (DBGHELP.@)
 851  */
 852 DWORD64 WINAPI SymLoadModule64(HANDLE hProcess, HANDLE hFile, PCSTR ImageName,
 853                                PCSTR ModuleName, DWORD64 BaseOfDll, DWORD SizeOfDll)
 854 {
 855     return SymLoadModuleEx(hProcess, hFile, ImageName, ModuleName, BaseOfDll, SizeOfDll,
 856                            NULL, 0);
 857 }
 858
 859 /******************************************************************
 860  *              module_remove
 861  *
 862  */
 863 BOOL module_remove(struct process* pcs, struct module* module)
 864 {
 865     struct module_format*modfmt;
 866     struct module**     p;
 867     unsigned            i;
 868
 869     TRACE("%s (%p)\n", debugstr_w(module->module.ModuleName), module);
 870
 871     for (i = 0; i < DFI_LAST; i++)
 872     {
 873         if ((modfmt = module->format_info[i]) && modfmt->remove)
 874             modfmt->remove(pcs, module->format_info[i]);
 875     }
 876     hash_table_destroy(&module->ht_symbols);
 877     hash_table_destroy(&module->ht_types);
 878     HeapFree(GetProcessHeap(), 0, module->sources);
 879     HeapFree(GetProcessHeap(), 0, module->addr_sorttab);
 880     HeapFree(GetProcessHeap(), 0, module->real_path);
 881     pool_destroy(&module->pool);
 882     /* native dbghelp doesn't invoke registered callback(,CBA_SYMBOLS_UNLOADED,) here
 883      * so do we
 884      */
 885     for (p = &pcs->lmodules; *p; p = &(*p)->next)
 886     {
 887         if (*p == module)
 888         {
 889             *p = module->next;
 890             HeapFree(GetProcessHeap(), 0, module);
 891             return TRUE;
 892         }
 893     }
 894     FIXME("This shouldn't happen\n");
 895     return FALSE;
 896 }
 897
 898 /******************************************************************
 899  *              SymUnloadModule (DBGHELP.@)
 900  *
 901  */
 902 BOOL WINAPI SymUnloadModule(HANDLE hProcess, DWORD BaseOfDll)
 903 {
 904     struct process*     pcs;
 905     struct module*      module;
 906
 907     pcs = process_find_by_handle(hProcess);
 908     if (!pcs) return FALSE;
 909     module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
 910     if (!module) return FALSE;
 911     return module_remove(pcs, module);
 912 }
 913
 914 /******************************************************************
 915  *              SymUnloadModule64 (DBGHELP.@)
 916  *
 917  */
 918 BOOL WINAPI SymUnloadModule64(HANDLE hProcess, DWORD64 BaseOfDll)
 919 {
 920     struct process*     pcs;
 921     struct module*      module;
 922
 923     pcs = process_find_by_handle(hProcess);
 924     if (!pcs) return FALSE;
 925     if (!validate_addr64(BaseOfDll)) return FALSE;
 926     module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
 927     if (!module) return FALSE;
 928     return module_remove(pcs, module);
 929 }
 930
 931 /******************************************************************
 932  *              SymEnumerateModules (DBGHELP.@)
 933  *
 934  */
 935 struct enum_modW64_32
 936 {
 937     PSYM_ENUMMODULES_CALLBACK   cb;
 938     PVOID                       user;
 939     char                        module[MAX_PATH];
 940 };
 941
 942 static BOOL CALLBACK enum_modW64_32(PCWSTR name, DWORD64 base, PVOID user)
 943 {
 944     struct enum_modW64_32*      x = user;
 945
 946     WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
 947     return x->cb(x->module, (DWORD)base, x->user);
 948 }
 949
 950 BOOL  WINAPI SymEnumerateModules(HANDLE hProcess,
 951                                  PSYM_ENUMMODULES_CALLBACK EnumModulesCallback,
 952                                  PVOID UserContext)
 953 {
 954     struct enum_modW64_32       x;
 955
 956     x.cb = EnumModulesCallback;
 957     x.user = UserContext;
 958
 959     return SymEnumerateModulesW64(hProcess, enum_modW64_32, &x);
 960 }
 961
 962 /******************************************************************
 963  *              SymEnumerateModules64 (DBGHELP.@)
 964  *
 965  */
 966 struct enum_modW64_64
 967 {
 968     PSYM_ENUMMODULES_CALLBACK64 cb;
 969     PVOID                       user;
 970     char                        module[MAX_PATH];
 971 };
 972
 973 static BOOL CALLBACK enum_modW64_64(PCWSTR name, DWORD64 base, PVOID user)
 974 {
 975     struct enum_modW64_64*      x = user;
 976
 977     WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
 978     return x->cb(x->module, base, x->user);
 979 }
 980
 981 BOOL  WINAPI SymEnumerateModules64(HANDLE hProcess,
 982                                    PSYM_ENUMMODULES_CALLBACK64 EnumModulesCallback,
 983                                    PVOID UserContext)
 984 {
 985     struct enum_modW64_64       x;
 986
 987     x.cb = EnumModulesCallback;
 988     x.user = UserContext;
 989
 990     return SymEnumerateModulesW64(hProcess, enum_modW64_64, &x);
 991 }
 992
 993 /******************************************************************
 994  *              SymEnumerateModulesW64 (DBGHELP.@)
 995  *
 996  */
 997 BOOL  WINAPI SymEnumerateModulesW64(HANDLE hProcess,
 998                                     PSYM_ENUMMODULES_CALLBACKW64 EnumModulesCallback,
 999                                     PVOID UserContext)
1000 {
1001     struct process*     pcs = process_find_by_handle(hProcess);
1002     struct module*      module;
1003
1004     if (!pcs) return FALSE;
1005
1006     for (module = pcs->lmodules; module; module = module->next)
1007     {
1008         if (!dbghelp_opt_native &&
1009             (module->type == DMT_ELF || module->type == DMT_MACHO))
1010             continue;
1011         if (!EnumModulesCallback(module->modulename,
1012                                  module->module.BaseOfImage, UserContext))
1013             break;
1014     }
1015     return TRUE;
1016 }
1017
1018 /******************************************************************
1019  *              EnumerateLoadedModules64 (DBGHELP.@)
1020  *
1021  */
1022 struct enum_load_modW64_64
1023 {
1024     PENUMLOADED_MODULES_CALLBACK64      cb;
1025     PVOID                               user;
1026     char                                module[MAX_PATH];
1027 };
1028
1029 static BOOL CALLBACK enum_load_modW64_64(PCWSTR name, DWORD64 base, ULONG size,
1030                                          PVOID user)
1031 {
1032     struct enum_load_modW64_64* x = user;
1033
1034     WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
1035     return x->cb(x->module, base, size, x->user);
1036 }
1037
1038 BOOL  WINAPI EnumerateLoadedModules64(HANDLE hProcess,
1039                                       PENUMLOADED_MODULES_CALLBACK64 EnumLoadedModulesCallback,
1040                                       PVOID UserContext)
1041 {
1042     struct enum_load_modW64_64  x;
1043
1044     x.cb = EnumLoadedModulesCallback;
1045     x.user = UserContext;
1046
1047     return EnumerateLoadedModulesW64(hProcess, enum_load_modW64_64, &x);
1048 }
1049
1050 /******************************************************************
1051  *              EnumerateLoadedModules (DBGHELP.@)
1052  *
1053  */
1054 struct enum_load_modW64_32
1055 {
1056     PENUMLOADED_MODULES_CALLBACK        cb;
1057     PVOID                               user;
1058     char                                module[MAX_PATH];
1059 };
1060
1061 static BOOL CALLBACK enum_load_modW64_32(PCWSTR name, DWORD64 base, ULONG size,
1062                                          PVOID user)
1063 {
1064     struct enum_load_modW64_32* x = user;
1065     WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
1066     return x->cb(x->module, (DWORD)base, size, x->user);
1067 }
1068
1069 BOOL  WINAPI EnumerateLoadedModules(HANDLE hProcess,
1070                                     PENUMLOADED_MODULES_CALLBACK EnumLoadedModulesCallback,
1071                                     PVOID UserContext)
1072 {
1073     struct enum_load_modW64_32  x;
1074
1075     x.cb = EnumLoadedModulesCallback;
1076     x.user = UserContext;
1077
1078     return EnumerateLoadedModulesW64(hProcess, enum_load_modW64_32, &x);
1079 }
1080
1081 /******************************************************************
1082  *              EnumerateLoadedModulesW64 (DBGHELP.@)
1083  *
1084  */
1085 BOOL  WINAPI EnumerateLoadedModulesW64(HANDLE hProcess,
1086                                        PENUMLOADED_MODULES_CALLBACKW64 EnumLoadedModulesCallback,
1087                                        PVOID UserContext)
1088 {
1089     HMODULE*    hMods;
1090     WCHAR       baseW[256], modW[256];
1091     DWORD       i, sz;
1092     MODULEINFO  mi;
1093
1094     hMods = HeapAlloc(GetProcessHeap(), 0, 256 * sizeof(hMods[0]));
1095     if (!hMods) return FALSE;
1096
1097     if (!EnumProcessModules(hProcess, hMods, 256 * sizeof(hMods[0]), &sz))
1098     {
1099         /* hProcess should also be a valid process handle !! */
1100         FIXME("If this happens, bump the number in mod\n");
1101         HeapFree(GetProcessHeap(), 0, hMods);
1102         return FALSE;
1103     }
1104     sz /= sizeof(HMODULE);
1105     for (i = 0; i < sz; i++)
1106     {
1107         if (!GetModuleInformation(hProcess, hMods[i], &mi, sizeof(mi)) ||
1108             !GetModuleBaseNameW(hProcess, hMods[i], baseW, ARRAY_SIZE(baseW)))
1109             continue;
1110         module_fill_module(baseW, modW, ARRAY_SIZE(modW));
1111         EnumLoadedModulesCallback(modW, (DWORD_PTR)mi.lpBaseOfDll, mi.SizeOfImage,
1112                                   UserContext);
1113     }
1114     HeapFree(GetProcessHeap(), 0, hMods);
1115
1116     return sz != 0 && i == sz;
1117 }
1118
1119 static void dbghelp_str_WtoA(const WCHAR *src, char *dst, int dst_len)
1120 {
1121     WideCharToMultiByte(CP_ACP, 0, src, -1, dst, dst_len - 1, NULL, NULL);
1122     dst[dst_len - 1] = 0;
1123 }
1124
1125 /******************************************************************
1126  *              SymGetModuleInfo (DBGHELP.@)
1127  *
1128  */
1129 BOOL  WINAPI SymGetModuleInfo(HANDLE hProcess, DWORD dwAddr,
1130                               PIMAGEHLP_MODULE ModuleInfo)
1131 {
1132     IMAGEHLP_MODULE     mi;
1133     IMAGEHLP_MODULEW64  miw64;
1134
1135     if (sizeof(mi) < ModuleInfo->SizeOfStruct) FIXME("Wrong size\n");
1136
1137     miw64.SizeOfStruct = sizeof(miw64);
1138     if (!SymGetModuleInfoW64(hProcess, dwAddr, &miw64)) return FALSE;
1139
1140     mi.SizeOfStruct  = ModuleInfo->SizeOfStruct;
1141     mi.BaseOfImage   = miw64.BaseOfImage;
1142     mi.ImageSize     = miw64.ImageSize;
1143     mi.TimeDateStamp = miw64.TimeDateStamp;
1144     mi.CheckSum      = miw64.CheckSum;
1145     mi.NumSyms       = miw64.NumSyms;
1146     mi.SymType       = miw64.SymType;
1147     dbghelp_str_WtoA(miw64.ModuleName, mi.ModuleName, sizeof(mi.ModuleName));
1148     dbghelp_str_WtoA(miw64.ImageName, mi.ImageName, sizeof(mi.ImageName));
1149     dbghelp_str_WtoA(miw64.LoadedImageName, mi.LoadedImageName, sizeof(mi.LoadedImageName));
1150
1151     memcpy(ModuleInfo, &mi, ModuleInfo->SizeOfStruct);
1152
1153     return TRUE;
1154 }
1155
1156 /******************************************************************
1157  *              SymGetModuleInfoW (DBGHELP.@)
1158  *
1159  */
1160 BOOL  WINAPI SymGetModuleInfoW(HANDLE hProcess, DWORD dwAddr,
1161                                PIMAGEHLP_MODULEW ModuleInfo)
1162 {
1163     IMAGEHLP_MODULEW64  miw64;
1164     IMAGEHLP_MODULEW    miw;
1165
1166     if (sizeof(miw) < ModuleInfo->SizeOfStruct) FIXME("Wrong size\n");
1167
1168     miw64.SizeOfStruct = sizeof(miw64);
1169     if (!SymGetModuleInfoW64(hProcess, dwAddr, &miw64)) return FALSE;
1170
1171     miw.SizeOfStruct  = ModuleInfo->SizeOfStruct;
1172     miw.BaseOfImage   = miw64.BaseOfImage;
1173     miw.ImageSize     = miw64.ImageSize;
1174     miw.TimeDateStamp = miw64.TimeDateStamp;
1175     miw.CheckSum      = miw64.CheckSum;
1176     miw.NumSyms       = miw64.NumSyms;
1177     miw.SymType       = miw64.SymType;
1178     strcpyW(miw.ModuleName, miw64.ModuleName);
1179     strcpyW(miw.ImageName, miw64.ImageName);
1180     strcpyW(miw.LoadedImageName, miw64.LoadedImageName);
1181     memcpy(ModuleInfo, &miw, ModuleInfo->SizeOfStruct);
1182
1183     return TRUE;
1184 }
1185
1186 /******************************************************************
1187  *              SymGetModuleInfo64 (DBGHELP.@)
1188  *
1189  */
1190 BOOL  WINAPI SymGetModuleInfo64(HANDLE hProcess, DWORD64 dwAddr,
1191                                 PIMAGEHLP_MODULE64 ModuleInfo)
1192 {
1193     IMAGEHLP_MODULE64   mi64;
1194     IMAGEHLP_MODULEW64  miw64;
1195
1196     if (sizeof(mi64) < ModuleInfo->SizeOfStruct)
1197     {
1198         SetLastError(ERROR_MOD_NOT_FOUND); /* NOTE: native returns this error */
1199         WARN("Wrong size %u\n", ModuleInfo->SizeOfStruct);
1200         return FALSE;
1201     }
1202
1203     miw64.SizeOfStruct = sizeof(miw64);
1204     if (!SymGetModuleInfoW64(hProcess, dwAddr, &miw64)) return FALSE;
1205
1206     mi64.SizeOfStruct  = ModuleInfo->SizeOfStruct;
1207     mi64.BaseOfImage   = miw64.BaseOfImage;
1208     mi64.ImageSize     = miw64.ImageSize;
1209     mi64.TimeDateStamp = miw64.TimeDateStamp;
1210     mi64.CheckSum      = miw64.CheckSum;
1211     mi64.NumSyms       = miw64.NumSyms;
1212     mi64.SymType       = miw64.SymType;
1213     dbghelp_str_WtoA(miw64.ModuleName, mi64.ModuleName, sizeof(mi64.ModuleName));
1214     dbghelp_str_WtoA(miw64.ImageName, mi64.ImageName, sizeof(mi64.ImageName));
1215     dbghelp_str_WtoA(miw64.LoadedImageName, mi64.LoadedImageName, sizeof(mi64.LoadedImageName));
1216     dbghelp_str_WtoA(miw64.LoadedPdbName, mi64.LoadedPdbName, sizeof(mi64.LoadedPdbName));
1217
1218     mi64.CVSig         = miw64.CVSig;
1219     dbghelp_str_WtoA(miw64.CVData, mi64.CVData, sizeof(mi64.CVData));
1220     mi64.PdbSig        = miw64.PdbSig;
1221     mi64.PdbSig70      = miw64.PdbSig70;
1222     mi64.PdbAge        = miw64.PdbAge;
1223     mi64.PdbUnmatched  = miw64.PdbUnmatched;
1224     mi64.DbgUnmatched  = miw64.DbgUnmatched;
1225     mi64.LineNumbers   = miw64.LineNumbers;
1226     mi64.GlobalSymbols = miw64.GlobalSymbols;
1227     mi64.TypeInfo      = miw64.TypeInfo;
1228     mi64.SourceIndexed = miw64.SourceIndexed;
1229     mi64.Publics       = miw64.Publics;
1230
1231     memcpy(ModuleInfo, &mi64, ModuleInfo->SizeOfStruct);
1232
1233     return TRUE;
1234 }
1235
1236 /******************************************************************
1237  *              SymGetModuleInfoW64 (DBGHELP.@)
1238  *
1239  */
1240 BOOL  WINAPI SymGetModuleInfoW64(HANDLE hProcess, DWORD64 dwAddr,
1241                                  PIMAGEHLP_MODULEW64 ModuleInfo)
1242 {
1243     struct process*     pcs = process_find_by_handle(hProcess);
1244     struct module*      module;
1245     IMAGEHLP_MODULEW64  miw64;
1246
1247     TRACE("%p %s %p\n", hProcess, wine_dbgstr_longlong(dwAddr), ModuleInfo);
1248
1249     if (!pcs) return FALSE;
1250     if (ModuleInfo->SizeOfStruct > sizeof(*ModuleInfo)) return FALSE;
1251     module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
1252     if (!module) return FALSE;
1253
1254     miw64 = module->module;
1255
1256     /* update debug information from container if any */
1257     if (module->module.SymType == SymNone)
1258     {
1259         module = module_get_container(pcs, module);
1260         if (module && module->module.SymType != SymNone)
1261         {
1262             miw64.SymType = module->module.SymType;
1263             miw64.NumSyms = module->module.NumSyms;
1264         }
1265     }
1266     memcpy(ModuleInfo, &miw64, ModuleInfo->SizeOfStruct);
1267     return TRUE;
1268 }
1269
1270 /***********************************************************************
1271  *              SymGetModuleBase (DBGHELP.@)
1272  */
1273 DWORD WINAPI SymGetModuleBase(HANDLE hProcess, DWORD dwAddr)
1274 {
1275     DWORD64     ret;
1276
1277     ret = SymGetModuleBase64(hProcess, dwAddr);
1278     return validate_addr64(ret) ? ret : 0;
1279 }
1280
1281 /***********************************************************************
1282  *              SymGetModuleBase64 (DBGHELP.@)
1283  */
1284 DWORD64 WINAPI SymGetModuleBase64(HANDLE hProcess, DWORD64 dwAddr)
1285 {
1286     struct process*     pcs = process_find_by_handle(hProcess);
1287     struct module*      module;
1288
1289     if (!pcs) return 0;
1290     module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
1291     if (!module) return 0;
1292     return module->module.BaseOfImage;
1293 }
1294
1295 /******************************************************************
1296  *              module_reset_debug_info
1297  * Removes any debug information linked to a given module.
1298  */
1299 void module_reset_debug_info(struct module* module)
1300 {
1301     module->sortlist_valid = TRUE;
1302     module->sorttab_size = 0;
1303     module->addr_sorttab = NULL;
1304     module->num_sorttab = module->num_symbols = 0;
1305     hash_table_destroy(&module->ht_symbols);
1306     module->ht_symbols.num_buckets = 0;
1307     module->ht_symbols.buckets = NULL;
1308     hash_table_destroy(&module->ht_types);
1309     module->ht_types.num_buckets = 0;
1310     module->ht_types.buckets = NULL;
1311     module->vtypes.num_elts = 0;
1312     hash_table_destroy(&module->ht_symbols);
1313     module->sources_used = module->sources_alloc = 0;
1314     module->sources = NULL;
1315 }
1316
1317 /******************************************************************
1318  *              SymRefreshModuleList (DBGHELP.@)
1319  */
1320 BOOL WINAPI SymRefreshModuleList(HANDLE hProcess)
1321 {
1322     struct process*     pcs;
1323
1324     TRACE("(%p)\n", hProcess);
1325
1326     if (!(pcs = process_find_by_handle(hProcess))) return FALSE;
1327
1328     return pcs->loader->synchronize_module_list(pcs);
1329 }
1330
1331 /***********************************************************************
1332  *              SymFunctionTableAccess (DBGHELP.@)
1333  */
1334 PVOID WINAPI SymFunctionTableAccess(HANDLE hProcess, DWORD AddrBase)
1335 {
1336     return SymFunctionTableAccess64(hProcess, AddrBase);
1337 }
1338
1339 /***********************************************************************
1340  *              SymFunctionTableAccess64 (DBGHELP.@)
1341  */
1342 PVOID WINAPI SymFunctionTableAccess64(HANDLE hProcess, DWORD64 AddrBase)
1343 {
1344     struct process*     pcs = process_find_by_handle(hProcess);
1345     struct module*      module;
1346
1347     if (!pcs || !dbghelp_current_cpu->find_runtime_function) return NULL;
1348     module = module_find_by_addr(pcs, AddrBase, DMT_UNKNOWN);
1349     if (!module) return NULL;
1350
1351     return dbghelp_current_cpu->find_runtime_function(module, AddrBase);
1352 }
1353
1354 static BOOL native_synchronize_module_list(struct process* pcs)
1355 {
1356     return FALSE;
1357 }
1358
1359 static struct module* native_load_module(struct process* pcs, const WCHAR* name, ULONG_PTR addr)
1360 {
1361     return NULL;
1362 }
1363
1364 static BOOL native_load_debug_info(struct process* process, struct module* module)
1365 {
1366     return FALSE;
1367 }
1368
1369 static BOOL native_enum_modules(struct process *process, enum_modules_cb cb, void* user)
1370 {
1371     return FALSE;
1372 }
1373
1374 static BOOL native_fetch_file_info(struct process* process, const WCHAR* name, ULONG_PTR load_addr, DWORD_PTR* base,
1375                                    DWORD* size, DWORD* checksum)
1376 {
1377     return FALSE;
1378 }
1379
1380 const struct loader_ops no_loader_ops =
1381 {
1382     native_synchronize_module_list,
1383     native_load_module,
1384     native_load_debug_info,
1385     native_enum_modules,
1386     native_fetch_file_info,
1387 };