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 <stdlib.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <assert.h>
  26
  27 #include "dbghelp_private.h"
  28 #include "image_private.h"
  29 #include "psapi.h"
  30 #include "winternl.h"
  31 #include "wine/debug.h"
  32 #include "wine/heap.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
  35
  36 #define NOTE_GNU_BUILD_ID  3
  37
  38 const WCHAR        S_ElfW[]         = {'<','e','l','f','>','\0'};
  39 const WCHAR        S_WineLoaderW[]  = {'<','w','i','n','e','-','l','o','a','d','e','r','>','\0'};
  40 static const WCHAR S_DotSoW[]       = {'.','s','o','\0'};
  41 const WCHAR        S_SlashW[]       = {'/','\0'};
  42
  43 static const WCHAR S_AcmW[] = {'.','a','c','m','\0'};
  44 static const WCHAR S_DllW[] = {'.','d','l','l','\0'};
  45 static const WCHAR S_DrvW[] = {'.','d','r','v','\0'};
  46 static const WCHAR S_ExeW[] = {'.','e','x','e','\0'};
  47 static const WCHAR S_OcxW[] = {'.','o','c','x','\0'};
  48 static const WCHAR S_VxdW[] = {'.','v','x','d','\0'};
  49 static const WCHAR * const ext[] = {S_AcmW, S_DllW, S_DrvW, S_ExeW, S_OcxW, S_VxdW, NULL};
  50
  51 static int match_ext(const WCHAR* ptr, size_t len)
  52 {
  53     const WCHAR* const *e;
  54     size_t      l;
  55
  56     for (e = ext; *e; e++)
  57     {
  58         l = lstrlenW(*e);
  59         if (l >= len) return 0;
  60         if (wcsnicmp(&ptr[len - l], *e, l)) continue;
  61         return l;
  62     }
  63     return 0;
  64 }
  65
  66 static const WCHAR* get_filename(const WCHAR* name, const WCHAR* endptr)
  67 {
  68     const WCHAR*        ptr;
  69
  70     if (!endptr) endptr = name + lstrlenW(name);
  71     for (ptr = endptr - 1; ptr >= name; ptr--)
  72     {
  73         if (*ptr == '/' || *ptr == '\\') break;
  74     }
  75     return ++ptr;
  76 }
  77
  78 static BOOL is_wine_loader(const WCHAR *module)
  79 {
  80     static const WCHAR wineW[] = {'w','i','n','e',0};
  81     static const WCHAR suffixW[] = {'6','4',0};
  82     const WCHAR *filename = get_filename(module, NULL);
  83     const char *ptr;
  84     BOOL ret = FALSE;
  85     WCHAR *buffer;
  86     DWORD len;
  87
  88     if ((ptr = getenv("WINELOADER")))
  89     {
  90         ptr = file_nameA(ptr);
  91         len = 2 + MultiByteToWideChar( CP_UNIXCP, 0, ptr, -1, NULL, 0 );
  92         buffer = heap_alloc( len * sizeof(WCHAR) );
  93         MultiByteToWideChar( CP_UNIXCP, 0, ptr, -1, buffer, len );
  94     }
  95     else
  96     {
  97         buffer = heap_alloc( sizeof(wineW) + 2 * sizeof(WCHAR) );
  98         lstrcpyW( buffer, wineW );
  99     }
 100
 101     if (!wcscmp( filename, buffer ))
 102         ret = TRUE;
 103
 104     lstrcatW( buffer, suffixW );
 105     if (!wcscmp( filename, buffer ))
 106         ret = TRUE;
 107
 108     heap_free( buffer );
 109     return ret;
 110 }
 111
 112 static void module_fill_module(const WCHAR* in, WCHAR* out, size_t size)
 113 {
 114     const WCHAR *ptr, *endptr;
 115     size_t      len, l;
 116
 117     ptr = get_filename(in, endptr = in + lstrlenW(in));
 118     len = min(endptr - ptr, size - 1);
 119     memcpy(out, ptr, len * sizeof(WCHAR));
 120     out[len] = '\0';
 121     if (len > 4 && (l = match_ext(out, len)))
 122         out[len - l] = '\0';
 123     else if (is_wine_loader(out))
 124         lstrcpynW(out, S_WineLoaderW, size);
 125     else
 126     {
 127         if (len > 3 && !wcsicmp(&out[len - 3], S_DotSoW) &&
 128             (l = match_ext(out, len - 3)))
 129             lstrcpyW(&out[len - l - 3], S_ElfW);
 130     }
 131     while ((*out = towlower(*out))) out++;
 132 }
 133
 134 void module_set_module(struct module* module, const WCHAR* name)
 135 {
 136     module_fill_module(name, module->module.ModuleName, ARRAY_SIZE(module->module.ModuleName));
 137     module_fill_module(name, module->modulename, ARRAY_SIZE(module->modulename));
 138 }
 139
 140 /* Returned string must be freed by caller */
 141 const WCHAR *get_wine_loader_name(struct process *pcs)
 142 {
 143     const WCHAR *name = process_getenv(pcs, L"WINELOADER");
 144     if (!name) name = pcs->is_64bit ? L"wine64" : L"wine";
 145     TRACE("returning %s\n", debugstr_w(name));
 146     return name;
 147 }
 148
 149 static const char*      get_module_type(enum module_type type, BOOL virtual)
 150 {
 151     switch (type)
 152     {
 153     case DMT_ELF: return virtual ? "Virtual ELF" : "ELF";
 154     case DMT_PE: return virtual ? "Virtual PE" : "PE";
 155     case DMT_MACHO: return virtual ? "Virtual Mach-O" : "Mach-O";
 156     default: return "---";
 157     }
 158 }
 159
 160 /***********************************************************************
 161  * Creates and links a new module to a process
 162  */
 163 struct module* module_new(struct process* pcs, const WCHAR* name,
 164                           enum module_type type, BOOL virtual,
 165                           DWORD64 mod_addr, DWORD64 size,
 166                           ULONG_PTR stamp, ULONG_PTR checksum)
 167 {
 168     struct module*      module;
 169     unsigned            i;
 170
 171     assert(type == DMT_ELF || type == DMT_PE || type == DMT_MACHO);
 172     if (!(module = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*module))))
 173         return NULL;
 174
 175     module->next = pcs->lmodules;
 176     pcs->lmodules = module;
 177
 178     TRACE("=> %s %s-%s %s\n",
 179           get_module_type(type, virtual),
 180           wine_dbgstr_longlong(mod_addr), wine_dbgstr_longlong(mod_addr + size),
 181           debugstr_w(name));
 182
 183     pool_init(&module->pool, 65536);
 184
 185     module->process = pcs;
 186     module->module.SizeOfStruct = sizeof(module->module);
 187     module->module.BaseOfImage = mod_addr;
 188     module->module.ImageSize = size;
 189     module_set_module(module, name);
 190     module->module.ImageName[0] = '\0';
 191     lstrcpynW(module->module.LoadedImageName, name, ARRAY_SIZE(module->module.LoadedImageName));
 192     module->module.SymType = SymNone;
 193     module->module.NumSyms = 0;
 194     module->module.TimeDateStamp = stamp;
 195     module->module.CheckSum = checksum;
 196
 197     memset(module->module.LoadedPdbName, 0, sizeof(module->module.LoadedPdbName));
 198     module->module.CVSig = 0;
 199     memset(module->module.CVData, 0, sizeof(module->module.CVData));
 200     module->module.PdbSig = 0;
 201     memset(&module->module.PdbSig70, 0, sizeof(module->module.PdbSig70));
 202     module->module.PdbAge = 0;
 203     module->module.PdbUnmatched = FALSE;
 204     module->module.DbgUnmatched = FALSE;
 205     module->module.LineNumbers = FALSE;
 206     module->module.GlobalSymbols = FALSE;
 207     module->module.TypeInfo = FALSE;
 208     module->module.SourceIndexed = FALSE;
 209     module->module.Publics = FALSE;
 210     module->module.MachineType = 0;
 211     module->module.Reserved = 0;
 212
 213     module->reloc_delta       = 0;
 214     module->type              = type;
 215     module->is_virtual        = virtual;
 216     for (i = 0; i < DFI_LAST; i++) module->format_info[i] = NULL;
 217     module->sortlist_valid    = FALSE;
 218     module->sorttab_size      = 0;
 219     module->addr_sorttab      = NULL;
 220     module->num_sorttab       = 0;
 221     module->num_symbols       = 0;
 222
 223     vector_init(&module->vsymt, sizeof(struct symt*), 128);
 224     /* FIXME: this seems a bit too high (on a per module basis)
 225      * need some statistics about this
 226      */
 227     hash_table_init(&module->pool, &module->ht_symbols, 4096);
 228     hash_table_init(&module->pool, &module->ht_types,   4096);
 229     vector_init(&module->vtypes, sizeof(struct symt*),  32);
 230
 231     module->sources_used      = 0;
 232     module->sources_alloc     = 0;
 233     module->sources           = 0;
 234     wine_rb_init(&module->sources_offsets_tree, source_rb_compare);
 235
 236     return module;
 237 }
 238
 239 /***********************************************************************
 240  *      module_find_by_nameW
 241  *
 242  */
 243 struct module* module_find_by_nameW(const struct process* pcs, const WCHAR* name)
 244 {
 245     struct module*      module;
 246
 247     for (module = pcs->lmodules; module; module = module->next)
 248     {
 249         if (!wcsicmp(name, module->module.ModuleName)) return module;
 250     }
 251     SetLastError(ERROR_INVALID_NAME);
 252     return NULL;
 253 }
 254
 255 struct module* module_find_by_nameA(const struct process* pcs, const char* name)
 256 {
 257     WCHAR wname[MAX_PATH];
 258
 259     MultiByteToWideChar(CP_ACP, 0, name, -1, wname, ARRAY_SIZE(wname));
 260     return module_find_by_nameW(pcs, wname);
 261 }
 262
 263 /***********************************************************************
 264  *      module_is_already_loaded
 265  *
 266  */
 267 struct module* module_is_already_loaded(const struct process* pcs, const WCHAR* name)
 268 {
 269     struct module*      module;
 270     const WCHAR*        filename;
 271
 272     /* first compare the loaded image name... */
 273     for (module = pcs->lmodules; module; module = module->next)
 274     {
 275         if (!wcsicmp(name, module->module.LoadedImageName))
 276             return module;
 277     }
 278     /* then compare the standard filenames (without the path) ... */
 279     filename = get_filename(name, NULL);
 280     for (module = pcs->lmodules; module; module = module->next)
 281     {
 282         if (!wcsicmp(filename, get_filename(module->module.LoadedImageName, NULL)))
 283             return module;
 284     }
 285     SetLastError(ERROR_INVALID_NAME);
 286     return NULL;
 287 }
 288
 289 /***********************************************************************
 290  *           module_get_container
 291  *
 292  */
 293 static struct module* module_get_container(const struct process* pcs,
 294                                     const struct module* inner)
 295 {
 296     struct module*      module;
 297
 298     for (module = pcs->lmodules; module; module = module->next)
 299     {
 300         if (module != inner &&
 301             module->module.BaseOfImage <= inner->module.BaseOfImage &&
 302             module->module.BaseOfImage + module->module.ImageSize >=
 303             inner->module.BaseOfImage + inner->module.ImageSize)
 304             return module;
 305     }
 306     return NULL;
 307 }
 308
 309 /***********************************************************************
 310  *           module_get_containee
 311  *
 312  */
 313 struct module* module_get_containee(const struct process* pcs, const struct module* outer)
 314 {
 315     struct module*      module;
 316
 317     for (module = pcs->lmodules; module; module = module->next)
 318     {
 319         if (module != outer &&
 320             outer->module.BaseOfImage <= module->module.BaseOfImage &&
 321             outer->module.BaseOfImage + outer->module.ImageSize >=
 322             module->module.BaseOfImage + module->module.ImageSize)
 323             return module;
 324     }
 325     return NULL;
 326 }
 327
 328 /******************************************************************
 329  *              module_get_debug
 330  *
 331  * get the debug information from a module:
 332  * - if the module's type is deferred, then force loading of debug info (and return
 333  *   the module itself)
 334  * - if the module has no debug info and has an ELF container, then return the ELF
 335  *   container (and also force the ELF container's debug info loading if deferred)
 336  * - otherwise return the module itself if it has some debug info
 337  */
 338 BOOL module_get_debug(struct module_pair* pair)
 339 {
 340     IMAGEHLP_DEFERRED_SYMBOL_LOADW64    idslW64;
 341
 342     if (!pair->requested) return FALSE;
 343     /* for a PE builtin, always get info from container */
 344     if (!(pair->effective = module_get_container(pair->pcs, pair->requested)))
 345         pair->effective = pair->requested;
 346     /* if deferred, force loading */
 347     if (pair->effective->module.SymType == SymDeferred)
 348     {
 349         BOOL ret;
 350
 351         if (pair->effective->is_virtual) ret = FALSE;
 352         else if (pair->effective->type == DMT_PE)
 353         {
 354             idslW64.SizeOfStruct = sizeof(idslW64);
 355             idslW64.BaseOfImage = pair->effective->module.BaseOfImage;
 356             idslW64.CheckSum = pair->effective->module.CheckSum;
 357             idslW64.TimeDateStamp = pair->effective->module.TimeDateStamp;
 358             memcpy(idslW64.FileName, pair->effective->module.ImageName,
 359                    sizeof(pair->effective->module.ImageName));
 360             idslW64.Reparse = FALSE;
 361             idslW64.hFile = INVALID_HANDLE_VALUE;
 362
 363             pcs_callback(pair->pcs, CBA_DEFERRED_SYMBOL_LOAD_START, &idslW64);
 364             ret = pe_load_debug_info(pair->pcs, pair->effective);
 365             pcs_callback(pair->pcs,
 366                          ret ? CBA_DEFERRED_SYMBOL_LOAD_COMPLETE : CBA_DEFERRED_SYMBOL_LOAD_FAILURE,
 367                          &idslW64);
 368         }
 369         else ret = pair->pcs->loader->load_debug_info(pair->pcs, pair->effective);
 370
 371         if (!ret) pair->effective->module.SymType = SymNone;
 372         assert(pair->effective->module.SymType != SymDeferred);
 373         pair->effective->module.NumSyms = pair->effective->ht_symbols.num_elts;
 374     }
 375     return pair->effective->module.SymType != SymNone;
 376 }
 377
 378 /***********************************************************************
 379  *      module_find_by_addr
 380  *
 381  * either the addr where module is loaded, or any address inside the
 382  * module
 383  */
 384 struct module* module_find_by_addr(const struct process* pcs, DWORD64 addr,
 385                                    enum module_type type)
 386 {
 387     struct module*      module;
 388
 389     if (type == DMT_UNKNOWN)
 390     {
 391         if ((module = module_find_by_addr(pcs, addr, DMT_PE)) ||
 392             (module = module_find_by_addr(pcs, addr, DMT_ELF)) ||
 393             (module = module_find_by_addr(pcs, addr, DMT_MACHO)))
 394             return module;
 395     }
 396     else
 397     {
 398         for (module = pcs->lmodules; module; module = module->next)
 399         {
 400             if (type == module->type && addr >= module->module.BaseOfImage &&
 401                 addr < module->module.BaseOfImage + module->module.ImageSize)
 402                 return module;
 403         }
 404     }
 405     SetLastError(ERROR_MOD_NOT_FOUND);
 406     return module;
 407 }
 408
 409 /******************************************************************
 410  *              module_is_container_loaded
 411  *
 412  * checks whether the native container, for a (supposed) PE builtin is
 413  * already loaded
 414  */
 415 static BOOL module_is_container_loaded(const struct process* pcs,
 416                                        const WCHAR* ImageName, DWORD64 base)
 417 {
 418     size_t              len;
 419     struct module*      module;
 420     PCWSTR              filename, modname;
 421
 422     if (!base) return FALSE;
 423     filename = get_filename(ImageName, NULL);
 424     len = lstrlenW(filename);
 425
 426     for (module = pcs->lmodules; module; module = module->next)
 427     {
 428         if ((module->type == DMT_ELF || module->type == DMT_MACHO) &&
 429             base >= module->module.BaseOfImage &&
 430             base < module->module.BaseOfImage + module->module.ImageSize)
 431         {
 432             modname = get_filename(module->module.LoadedImageName, NULL);
 433             if (!wcsnicmp(modname, filename, len) &&
 434                 !memcmp(modname + len, S_DotSoW, 3 * sizeof(WCHAR)))
 435             {
 436                 return TRUE;
 437             }
 438         }
 439     }
 440     /* likely a native PE module */
 441     WARN("Couldn't find container for %s\n", debugstr_w(ImageName));
 442     return FALSE;
 443 }
 444
 445 static BOOL image_check_debug_link(const WCHAR* file, struct image_file_map* fmap, DWORD link_crc)
 446 {
 447     DWORD read_bytes;
 448     HANDLE handle;
 449     WCHAR *path;
 450     WORD magic;
 451     BOOL ret;
 452
 453     path = get_dos_file_name(file);
 454     handle = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
 455     heap_free(path);
 456     if (handle == INVALID_HANDLE_VALUE) return FALSE;
 457
 458     if (link_crc)
 459     {
 460         DWORD crc = calc_crc32(handle);
 461         if (crc != link_crc)
 462         {
 463             WARN("Bad CRC for file %s (got %08x while expecting %08x)\n",  debugstr_w(file), crc, link_crc);
 464             CloseHandle(handle);
 465             return FALSE;
 466         }
 467     }
 468
 469     SetFilePointer(handle, 0, 0, FILE_BEGIN);
 470     if (ReadFile(handle, &magic, sizeof(magic), &read_bytes, NULL) && magic == IMAGE_DOS_SIGNATURE)
 471         ret = pe_map_file(handle, fmap, DMT_PE);
 472     else
 473         ret = elf_map_handle(handle, fmap);
 474     CloseHandle(handle);
 475     return ret;
 476 }
 477
 478 /******************************************************************
 479  *              image_locate_debug_link
 480  *
 481  * Locate a filename from a .gnu_debuglink section, using the same
 482  * strategy as gdb:
 483  * "If the full name of the directory containing the executable is
 484  * execdir, and the executable has a debug link that specifies the
 485  * name debugfile, then GDB will automatically search for the
 486  * debugging information file in three places:
 487  *  - the directory containing the executable file (that is, it
 488  *    will look for a file named `execdir/debugfile',
 489  *  - a subdirectory of that directory named `.debug' (that is, the
 490  *    file `execdir/.debug/debugfile', and
 491  *  - a subdirectory of the global debug file directory that includes
 492  *    the executable's full path, and the name from the link (that is,
 493  *    the file `globaldebugdir/execdir/debugfile', where globaldebugdir
 494  *    is the global debug file directory, and execdir has been turned
 495  *    into a relative path)." (from GDB manual)
 496  */
 497 static BOOL image_locate_debug_link(const struct module* module, struct image_file_map* fmap, const char* filename, DWORD crc)
 498 {
 499     static const WCHAR globalDebugDirW[] = {'/','u','s','r','/','l','i','b','/','d','e','b','u','g','/'};
 500     static const WCHAR dotDebugW[] = {'.','d','e','b','u','g','/'};
 501     const size_t globalDebugDirLen = ARRAY_SIZE(globalDebugDirW);
 502     size_t filename_len, path_len;
 503     WCHAR* p = NULL;
 504     WCHAR* slash;
 505     WCHAR* slash2;
 506     struct image_file_map* fmap_link = NULL;
 507
 508     fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
 509     if (!fmap_link) return FALSE;
 510
 511     filename_len = MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, NULL, 0);
 512     path_len = lstrlenW(module->module.LoadedImageName);
 513     if (module->real_path) path_len = max(path_len, lstrlenW(module->real_path));
 514     p = HeapAlloc(GetProcessHeap(), 0,
 515                   (globalDebugDirLen + path_len + 6 + 1 + filename_len + 1) * sizeof(WCHAR));
 516     if (!p) goto found;
 517
 518     /* we prebuild the string with "execdir" */
 519     lstrcpyW(p, module->module.LoadedImageName);
 520     slash = p;
 521     if ((slash2 = wcsrchr(slash, '/'))) slash = slash2 + 1;
 522     if ((slash2 = wcsrchr(slash, '\\'))) slash = slash2 + 1;
 523
 524     /* testing execdir/filename */
 525     MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
 526     if (image_check_debug_link(p, fmap_link, crc)) goto found;
 527
 528     /* testing execdir/.debug/filename */
 529     memcpy(slash, dotDebugW, sizeof(dotDebugW));
 530     MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash + ARRAY_SIZE(dotDebugW), filename_len);
 531     if (image_check_debug_link(p, fmap_link, crc)) goto found;
 532
 533     if (module->real_path)
 534     {
 535         lstrcpyW(p, module->real_path);
 536         slash = p;
 537         if ((slash2 = wcsrchr(slash, '/'))) slash = slash2 + 1;
 538         if ((slash2 = wcsrchr(slash, '\\'))) slash = slash2 + 1;
 539         MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
 540         if (image_check_debug_link(p, fmap_link, crc)) goto found;
 541     }
 542
 543     /* testing globaldebugdir/execdir/filename */
 544     memmove(p + globalDebugDirLen, p, (slash - p) * sizeof(WCHAR));
 545     memcpy(p, globalDebugDirW, globalDebugDirLen * sizeof(WCHAR));
 546     slash += globalDebugDirLen;
 547     MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
 548     if (image_check_debug_link(p, fmap_link, crc)) goto found;
 549
 550     /* finally testing filename */
 551     if (image_check_debug_link(slash, fmap_link, crc)) goto found;
 552
 553
 554     WARN("Couldn't locate or map %s\n", filename);
 555     HeapFree(GetProcessHeap(), 0, p);
 556     HeapFree(GetProcessHeap(), 0, fmap_link);
 557     return FALSE;
 558
 559 found:
 560     TRACE("Located debug information file %s at %s\n", filename, debugstr_w(p));
 561     HeapFree(GetProcessHeap(), 0, p);
 562     fmap->alternate = fmap_link;
 563     return TRUE;
 564 }
 565
 566 /******************************************************************
 567  *              image_locate_build_id_target
 568  *
 569  * Try to find the .so file containing the debug info out of the build-id note information
 570  */
 571 static BOOL image_locate_build_id_target(struct image_file_map* fmap, const BYTE* id, unsigned idlen)
 572 {
 573     static const WCHAR globalDebugDirW[] = {'/','u','s','r','/','l','i','b','/','d','e','b','u','g','/'};
 574     static const WCHAR buildidW[] = {'.','b','u','i','l','d','-','i','d','/'};
 575     static const WCHAR dotDebug0W[] = {'.','d','e','b','u','g',0};
 576     struct image_file_map* fmap_link = NULL;
 577     WCHAR* p;
 578     WCHAR* z;
 579     const BYTE* idend = id + idlen;
 580
 581     fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
 582     if (!fmap_link) return FALSE;
 583
 584     p = HeapAlloc(GetProcessHeap(), 0,
 585                   sizeof(globalDebugDirW) + sizeof(buildidW) +
 586                   (idlen * 2 + 1) * sizeof(WCHAR) + sizeof(dotDebug0W));
 587     z = p;
 588     memcpy(z, globalDebugDirW, sizeof(globalDebugDirW));
 589     z += ARRAY_SIZE(globalDebugDirW);
 590     memcpy(z, buildidW, sizeof(buildidW));
 591     z += ARRAY_SIZE(buildidW);
 592
 593     if (id < idend)
 594     {
 595         *z++ = "0123456789abcdef"[*id >> 4  ];
 596         *z++ = "0123456789abcdef"[*id & 0x0F];
 597         id++;
 598     }
 599     if (id < idend)
 600         *z++ = '/';
 601     while (id < idend)
 602     {
 603         *z++ = "0123456789abcdef"[*id >> 4  ];
 604         *z++ = "0123456789abcdef"[*id & 0x0F];
 605         id++;
 606     }
 607     memcpy(z, dotDebug0W, sizeof(dotDebug0W));
 608     TRACE("checking %s\n", wine_dbgstr_w(p));
 609
 610     if (image_check_debug_link(p, fmap_link, 0))
 611     {
 612         struct image_section_map buildid_sect;
 613         if (image_find_section(fmap_link, ".note.gnu.build-id", &buildid_sect))
 614         {
 615             const UINT32* note;
 616
 617             note = (const UINT32*)image_map_section(&buildid_sect);
 618             if (note != IMAGE_NO_MAP)
 619             {
 620                 /* the usual ELF note structure: name-size desc-size type <name> <desc> */
 621                 if (note[2] == NOTE_GNU_BUILD_ID)
 622                 {
 623                     if (note[1] == idlen &&
 624                         !memcmp(note + 3 + ((note[0] + 3) >> 2), idend - idlen, idlen))
 625                     {
 626                         TRACE("Located debug information file at %s\n", debugstr_w(p));
 627                         HeapFree(GetProcessHeap(), 0, p);
 628                         fmap->alternate = fmap_link;
 629                         return TRUE;
 630                     }
 631                     WARN("mismatch in buildid information for %s\n", wine_dbgstr_w(p));
 632                 }
 633             }
 634             image_unmap_section(&buildid_sect);
 635         }
 636         image_unmap_file(fmap_link);
 637     }
 638
 639     TRACE("not found\n");
 640     HeapFree(GetProcessHeap(), 0, p);
 641     HeapFree(GetProcessHeap(), 0, fmap_link);
 642     return FALSE;
 643 }
 644
 645 /******************************************************************
 646  *              image_check_alternate
 647  *
 648  * Load alternate files for a given image file, looking at either .note.gnu_build-id
 649  * or .gnu_debuglink sections.
 650  */
 651 BOOL image_check_alternate(struct image_file_map* fmap, const struct module* module)
 652 {
 653     BOOL ret = FALSE;
 654     BOOL found = FALSE;
 655     struct image_section_map buildid_sect, debuglink_sect;
 656
 657     /* if present, add the .gnu_debuglink file as an alternate to current one */
 658     if (image_find_section(fmap, ".note.gnu.build-id", &buildid_sect))
 659     {
 660         const UINT32* note;
 661
 662         found = TRUE;
 663         note = (const UINT32*)image_map_section(&buildid_sect);
 664         if (note != IMAGE_NO_MAP)
 665         {
 666             /* the usual ELF note structure: name-size desc-size type <name> <desc> */
 667             if (note[2] == NOTE_GNU_BUILD_ID)
 668             {
 669                 ret = image_locate_build_id_target(fmap, (const BYTE*)(note + 3 + ((note[0] + 3) >> 2)), note[1]);
 670             }
 671         }
 672         image_unmap_section(&buildid_sect);
 673     }
 674     /* if present, add the .gnu_debuglink file as an alternate to current one */
 675     if (!ret && image_find_section(fmap, ".gnu_debuglink", &debuglink_sect))
 676     {
 677         const char* dbg_link;
 678
 679         found = TRUE;
 680         dbg_link = (const char*)image_map_section(&debuglink_sect);
 681         if (dbg_link != IMAGE_NO_MAP)
 682         {
 683             /* The content of a debug link section is:
 684              * 1/ a NULL terminated string, containing the file name for the
 685              *    debug info
 686              * 2/ padding on 4 byte boundary
 687              * 3/ CRC of the linked file
 688              */
 689             DWORD crc = *(const DWORD*)(dbg_link + ((DWORD_PTR)(strlen(dbg_link) + 4) & ~3));
 690             ret = image_locate_debug_link(module, fmap, dbg_link, crc);
 691             if (!ret)
 692                 WARN("Couldn't load linked debug file for %s\n",
 693                      debugstr_w(module->module.ModuleName));
 694         }
 695         image_unmap_section(&debuglink_sect);
 696     }
 697     return found ? ret : TRUE;
 698 }
 699
 700 /***********************************************************************
 701  *                      SymLoadModule (DBGHELP.@)
 702  */
 703 DWORD WINAPI SymLoadModule(HANDLE hProcess, HANDLE hFile, PCSTR ImageName,
 704                            PCSTR ModuleName, DWORD BaseOfDll, DWORD SizeOfDll)
 705 {
 706     return SymLoadModuleEx(hProcess, hFile, ImageName, ModuleName, BaseOfDll,
 707                            SizeOfDll, NULL, 0);
 708 }
 709
 710 /***********************************************************************
 711  *                      SymLoadModuleEx (DBGHELP.@)
 712  */
 713 DWORD64 WINAPI  SymLoadModuleEx(HANDLE hProcess, HANDLE hFile, PCSTR ImageName,
 714                                 PCSTR ModuleName, DWORD64 BaseOfDll, DWORD DllSize,
 715                                 PMODLOAD_DATA Data, DWORD Flags)
 716 {
 717     PWSTR       wImageName, wModuleName;
 718     unsigned    len;
 719     DWORD64     ret;
 720
 721     TRACE("(%p %p %s %s %s %08x %p %08x)\n",
 722           hProcess, hFile, debugstr_a(ImageName), debugstr_a(ModuleName),
 723           wine_dbgstr_longlong(BaseOfDll), DllSize, Data, Flags);
 724
 725     if (ImageName)
 726     {
 727         len = MultiByteToWideChar(CP_ACP, 0, ImageName, -1, NULL, 0);
 728         wImageName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 729         MultiByteToWideChar(CP_ACP, 0, ImageName, -1, wImageName, len);
 730     }
 731     else wImageName = NULL;
 732     if (ModuleName)
 733     {
 734         len = MultiByteToWideChar(CP_ACP, 0, ModuleName, -1, NULL, 0);
 735         wModuleName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 736         MultiByteToWideChar(CP_ACP, 0, ModuleName, -1, wModuleName, len);
 737     }
 738     else wModuleName = NULL;
 739
 740     ret = SymLoadModuleExW(hProcess, hFile, wImageName, wModuleName,
 741                           BaseOfDll, DllSize, Data, Flags);
 742     HeapFree(GetProcessHeap(), 0, wImageName);
 743     HeapFree(GetProcessHeap(), 0, wModuleName);
 744     return ret;
 745 }
 746
 747 /***********************************************************************
 748  *                      SymLoadModuleExW (DBGHELP.@)
 749  */
 750 DWORD64 WINAPI  SymLoadModuleExW(HANDLE hProcess, HANDLE hFile, PCWSTR wImageName,
 751                                  PCWSTR wModuleName, DWORD64 BaseOfDll, DWORD SizeOfDll,
 752                                  PMODLOAD_DATA Data, DWORD Flags)
 753 {
 754     struct process*     pcs;
 755     struct module*      module = NULL;
 756
 757     TRACE("(%p %p %s %s %s %08x %p %08x)\n",
 758           hProcess, hFile, debugstr_w(wImageName), debugstr_w(wModuleName),
 759           wine_dbgstr_longlong(BaseOfDll), SizeOfDll, Data, Flags);
 760
 761     if (Data)
 762         FIXME("Unsupported load data parameter %p for %s\n",
 763               Data, debugstr_w(wImageName));
 764     if (!validate_addr64(BaseOfDll)) return FALSE;
 765
 766     if (!(pcs = process_find_by_handle(hProcess))) return FALSE;
 767
 768     if (Flags & SLMFLAG_VIRTUAL)
 769     {
 770         if (!wImageName) return FALSE;
 771         module = module_new(pcs, wImageName, DMT_PE, TRUE, BaseOfDll, SizeOfDll, 0, 0);
 772         if (!module) return FALSE;
 773         if (wModuleName) module_set_module(module, wModuleName);
 774         module->module.SymType = SymVirtual;
 775
 776         return TRUE;
 777     }
 778     if (Flags & ~(SLMFLAG_VIRTUAL))
 779         FIXME("Unsupported Flags %08x for %s\n", Flags, debugstr_w(wImageName));
 780
 781     pcs->loader->synchronize_module_list(pcs);
 782
 783     /* this is a Wine extension to the API just to redo the synchronisation */
 784     if (!wImageName && !hFile) return 0;
 785
 786     /* check if the module is already loaded, or if it's a builtin PE module with
 787      * an containing ELF module
 788      */
 789     if (wImageName)
 790     {
 791         module = module_is_already_loaded(pcs, wImageName);
 792         if (!module && module_is_container_loaded(pcs, wImageName, BaseOfDll))
 793         {
 794             /* force the loading of DLL as builtin */
 795             module = pe_load_builtin_module(pcs, wImageName, BaseOfDll, SizeOfDll);
 796         }
 797     }
 798     if (!module)
 799     {
 800         /* otherwise, try a regular PE module */
 801         if (!(module = pe_load_native_module(pcs, wImageName, hFile, BaseOfDll, SizeOfDll)) &&
 802             wImageName)
 803         {
 804             /* and finally an ELF or Mach-O module */
 805             module = pcs->loader->load_module(pcs, wImageName, BaseOfDll);
 806         }
 807     }
 808     if (!module)
 809     {
 810         WARN("Couldn't locate %s\n", debugstr_w(wImageName));
 811         return 0;
 812     }
 813     module->module.NumSyms = module->ht_symbols.num_elts;
 814     /* by default module_new fills module.ModuleName from a derivation
 815      * of LoadedImageName. Overwrite it, if we have better information
 816      */
 817     if (wModuleName)
 818         module_set_module(module, wModuleName);
 819     if (wImageName)
 820         lstrcpynW(module->module.ImageName, wImageName, ARRAY_SIZE(module->module.ImageName));
 821
 822     return module->module.BaseOfImage;
 823 }
 824
 825 /***********************************************************************
 826  *                     SymLoadModule64 (DBGHELP.@)
 827  */
 828 DWORD64 WINAPI SymLoadModule64(HANDLE hProcess, HANDLE hFile, PCSTR ImageName,
 829                                PCSTR ModuleName, DWORD64 BaseOfDll, DWORD SizeOfDll)
 830 {
 831     return SymLoadModuleEx(hProcess, hFile, ImageName, ModuleName, BaseOfDll, SizeOfDll,
 832                            NULL, 0);
 833 }
 834
 835 /******************************************************************
 836  *              module_remove
 837  *
 838  */
 839 BOOL module_remove(struct process* pcs, struct module* module)
 840 {
 841     struct module_format*modfmt;
 842     struct module**     p;
 843     unsigned            i;
 844
 845     TRACE("%s (%p)\n", debugstr_w(module->module.ModuleName), module);
 846
 847     for (i = 0; i < DFI_LAST; i++)
 848     {
 849         if ((modfmt = module->format_info[i]) && modfmt->remove)
 850             modfmt->remove(pcs, module->format_info[i]);
 851     }
 852     hash_table_destroy(&module->ht_symbols);
 853     hash_table_destroy(&module->ht_types);
 854     HeapFree(GetProcessHeap(), 0, module->sources);
 855     HeapFree(GetProcessHeap(), 0, module->addr_sorttab);
 856     HeapFree(GetProcessHeap(), 0, module->real_path);
 857     pool_destroy(&module->pool);
 858     /* native dbghelp doesn't invoke registered callback(,CBA_SYMBOLS_UNLOADED,) here
 859      * so do we
 860      */
 861     for (p = &pcs->lmodules; *p; p = &(*p)->next)
 862     {
 863         if (*p == module)
 864         {
 865             *p = module->next;
 866             HeapFree(GetProcessHeap(), 0, module);
 867             return TRUE;
 868         }
 869     }
 870     FIXME("This shouldn't happen\n");
 871     return FALSE;
 872 }
 873
 874 /******************************************************************
 875  *              SymUnloadModule (DBGHELP.@)
 876  *
 877  */
 878 BOOL WINAPI SymUnloadModule(HANDLE hProcess, DWORD BaseOfDll)
 879 {
 880     struct process*     pcs;
 881     struct module*      module;
 882
 883     pcs = process_find_by_handle(hProcess);
 884     if (!pcs) return FALSE;
 885     module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
 886     if (!module) return FALSE;
 887     return module_remove(pcs, module);
 888 }
 889
 890 /******************************************************************
 891  *              SymUnloadModule64 (DBGHELP.@)
 892  *
 893  */
 894 BOOL WINAPI SymUnloadModule64(HANDLE hProcess, DWORD64 BaseOfDll)
 895 {
 896     struct process*     pcs;
 897     struct module*      module;
 898
 899     pcs = process_find_by_handle(hProcess);
 900     if (!pcs) return FALSE;
 901     if (!validate_addr64(BaseOfDll)) return FALSE;
 902     module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
 903     if (!module) return FALSE;
 904     return module_remove(pcs, module);
 905 }
 906
 907 /******************************************************************
 908  *              SymEnumerateModules (DBGHELP.@)
 909  *
 910  */
 911 struct enum_modW64_32
 912 {
 913     PSYM_ENUMMODULES_CALLBACK   cb;
 914     PVOID                       user;
 915     char                        module[MAX_PATH];
 916 };
 917
 918 static BOOL CALLBACK enum_modW64_32(PCWSTR name, DWORD64 base, PVOID user)
 919 {
 920     struct enum_modW64_32*      x = user;
 921
 922     WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
 923     return x->cb(x->module, (DWORD)base, x->user);
 924 }
 925
 926 BOOL  WINAPI SymEnumerateModules(HANDLE hProcess,
 927                                  PSYM_ENUMMODULES_CALLBACK EnumModulesCallback,
 928                                  PVOID UserContext)
 929 {
 930     struct enum_modW64_32       x;
 931
 932     x.cb = EnumModulesCallback;
 933     x.user = UserContext;
 934
 935     return SymEnumerateModulesW64(hProcess, enum_modW64_32, &x);
 936 }
 937
 938 /******************************************************************
 939  *              SymEnumerateModules64 (DBGHELP.@)
 940  *
 941  */
 942 struct enum_modW64_64
 943 {
 944     PSYM_ENUMMODULES_CALLBACK64 cb;
 945     PVOID                       user;
 946     char                        module[MAX_PATH];
 947 };
 948
 949 static BOOL CALLBACK enum_modW64_64(PCWSTR name, DWORD64 base, PVOID user)
 950 {
 951     struct enum_modW64_64*      x = user;
 952
 953     WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
 954     return x->cb(x->module, base, x->user);
 955 }
 956
 957 BOOL  WINAPI SymEnumerateModules64(HANDLE hProcess,
 958                                    PSYM_ENUMMODULES_CALLBACK64 EnumModulesCallback,
 959                                    PVOID UserContext)
 960 {
 961     struct enum_modW64_64       x;
 962
 963     x.cb = EnumModulesCallback;
 964     x.user = UserContext;
 965
 966     return SymEnumerateModulesW64(hProcess, enum_modW64_64, &x);
 967 }
 968
 969 /******************************************************************
 970  *              SymEnumerateModulesW64 (DBGHELP.@)
 971  *
 972  */
 973 BOOL  WINAPI SymEnumerateModulesW64(HANDLE hProcess,
 974                                     PSYM_ENUMMODULES_CALLBACKW64 EnumModulesCallback,
 975                                     PVOID UserContext)
 976 {
 977     struct process*     pcs = process_find_by_handle(hProcess);
 978     struct module*      module;
 979
 980     if (!pcs) return FALSE;
 981
 982     for (module = pcs->lmodules; module; module = module->next)
 983     {
 984         if (!dbghelp_opt_native &&
 985             (module->type == DMT_ELF || module->type == DMT_MACHO))
 986             continue;
 987         if (!EnumModulesCallback(module->modulename,
 988                                  module->module.BaseOfImage, UserContext))
 989             break;
 990     }
 991     return TRUE;
 992 }
 993
 994 /******************************************************************
 995  *              EnumerateLoadedModules64 (DBGHELP.@)
 996  *
 997  */
 998 struct enum_load_modW64_64
 999 {
1000     PENUMLOADED_MODULES_CALLBACK64      cb;
1001     PVOID                               user;
1002     char                                module[MAX_PATH];
1003 };
1004
1005 static BOOL CALLBACK enum_load_modW64_64(PCWSTR name, DWORD64 base, ULONG size,
1006                                          PVOID user)
1007 {
1008     struct enum_load_modW64_64* x = user;
1009
1010     WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
1011     return x->cb(x->module, base, size, x->user);
1012 }
1013
1014 BOOL  WINAPI EnumerateLoadedModules64(HANDLE hProcess,
1015                                       PENUMLOADED_MODULES_CALLBACK64 EnumLoadedModulesCallback,
1016                                       PVOID UserContext)
1017 {
1018     struct enum_load_modW64_64  x;
1019
1020     x.cb = EnumLoadedModulesCallback;
1021     x.user = UserContext;
1022
1023     return EnumerateLoadedModulesW64(hProcess, enum_load_modW64_64, &x);
1024 }
1025
1026 /******************************************************************
1027  *              EnumerateLoadedModules (DBGHELP.@)
1028  *
1029  */
1030 struct enum_load_modW64_32
1031 {
1032     PENUMLOADED_MODULES_CALLBACK        cb;
1033     PVOID                               user;
1034     char                                module[MAX_PATH];
1035 };
1036
1037 static BOOL CALLBACK enum_load_modW64_32(PCWSTR name, DWORD64 base, ULONG size,
1038                                          PVOID user)
1039 {
1040     struct enum_load_modW64_32* x = user;
1041     WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
1042     return x->cb(x->module, (DWORD)base, size, x->user);
1043 }
1044
1045 BOOL  WINAPI EnumerateLoadedModules(HANDLE hProcess,
1046                                     PENUMLOADED_MODULES_CALLBACK EnumLoadedModulesCallback,
1047                                     PVOID UserContext)
1048 {
1049     struct enum_load_modW64_32  x;
1050
1051     x.cb = EnumLoadedModulesCallback;
1052     x.user = UserContext;
1053
1054     return EnumerateLoadedModulesW64(hProcess, enum_load_modW64_32, &x);
1055 }
1056
1057 /******************************************************************
1058  *              EnumerateLoadedModulesW64 (DBGHELP.@)
1059  *
1060  */
1061 BOOL  WINAPI EnumerateLoadedModulesW64(HANDLE hProcess,
1062                                        PENUMLOADED_MODULES_CALLBACKW64 EnumLoadedModulesCallback,
1063                                        PVOID UserContext)
1064 {
1065     HMODULE*    hMods;
1066     WCHAR       baseW[256], modW[256];
1067     DWORD       i, sz;
1068     MODULEINFO  mi;
1069
1070     hMods = HeapAlloc(GetProcessHeap(), 0, 256 * sizeof(hMods[0]));
1071     if (!hMods) return FALSE;
1072
1073     if (!EnumProcessModules(hProcess, hMods, 256 * sizeof(hMods[0]), &sz))
1074     {
1075         /* hProcess should also be a valid process handle !! */
1076         FIXME("If this happens, bump the number in mod\n");
1077         HeapFree(GetProcessHeap(), 0, hMods);
1078         return FALSE;
1079     }
1080     sz /= sizeof(HMODULE);
1081     for (i = 0; i < sz; i++)
1082     {
1083         if (!GetModuleInformation(hProcess, hMods[i], &mi, sizeof(mi)) ||
1084             !GetModuleBaseNameW(hProcess, hMods[i], baseW, ARRAY_SIZE(baseW)))
1085             continue;
1086         module_fill_module(baseW, modW, ARRAY_SIZE(modW));
1087         EnumLoadedModulesCallback(modW, (DWORD_PTR)mi.lpBaseOfDll, mi.SizeOfImage,
1088                                   UserContext);
1089     }
1090     HeapFree(GetProcessHeap(), 0, hMods);
1091
1092     return sz != 0 && i == sz;
1093 }
1094
1095 static void dbghelp_str_WtoA(const WCHAR *src, char *dst, int dst_len)
1096 {
1097     WideCharToMultiByte(CP_ACP, 0, src, -1, dst, dst_len - 1, NULL, NULL);
1098     dst[dst_len - 1] = 0;
1099 }
1100
1101 /******************************************************************
1102  *              SymGetModuleInfo (DBGHELP.@)
1103  *
1104  */
1105 BOOL  WINAPI SymGetModuleInfo(HANDLE hProcess, DWORD dwAddr,
1106                               PIMAGEHLP_MODULE ModuleInfo)
1107 {
1108     IMAGEHLP_MODULE     mi;
1109     IMAGEHLP_MODULEW64  miw64;
1110
1111     if (sizeof(mi) < ModuleInfo->SizeOfStruct) FIXME("Wrong size\n");
1112
1113     miw64.SizeOfStruct = sizeof(miw64);
1114     if (!SymGetModuleInfoW64(hProcess, dwAddr, &miw64)) return FALSE;
1115
1116     mi.SizeOfStruct  = ModuleInfo->SizeOfStruct;
1117     mi.BaseOfImage   = miw64.BaseOfImage;
1118     mi.ImageSize     = miw64.ImageSize;
1119     mi.TimeDateStamp = miw64.TimeDateStamp;
1120     mi.CheckSum      = miw64.CheckSum;
1121     mi.NumSyms       = miw64.NumSyms;
1122     mi.SymType       = miw64.SymType;
1123     dbghelp_str_WtoA(miw64.ModuleName, mi.ModuleName, sizeof(mi.ModuleName));
1124     dbghelp_str_WtoA(miw64.ImageName, mi.ImageName, sizeof(mi.ImageName));
1125     dbghelp_str_WtoA(miw64.LoadedImageName, mi.LoadedImageName, sizeof(mi.LoadedImageName));
1126
1127     memcpy(ModuleInfo, &mi, ModuleInfo->SizeOfStruct);
1128
1129     return TRUE;
1130 }
1131
1132 /******************************************************************
1133  *              SymGetModuleInfoW (DBGHELP.@)
1134  *
1135  */
1136 BOOL  WINAPI SymGetModuleInfoW(HANDLE hProcess, DWORD dwAddr,
1137                                PIMAGEHLP_MODULEW ModuleInfo)
1138 {
1139     IMAGEHLP_MODULEW64  miw64;
1140     IMAGEHLP_MODULEW    miw;
1141
1142     if (sizeof(miw) < ModuleInfo->SizeOfStruct) FIXME("Wrong size\n");
1143
1144     miw64.SizeOfStruct = sizeof(miw64);
1145     if (!SymGetModuleInfoW64(hProcess, dwAddr, &miw64)) return FALSE;
1146
1147     miw.SizeOfStruct  = ModuleInfo->SizeOfStruct;
1148     miw.BaseOfImage   = miw64.BaseOfImage;
1149     miw.ImageSize     = miw64.ImageSize;
1150     miw.TimeDateStamp = miw64.TimeDateStamp;
1151     miw.CheckSum      = miw64.CheckSum;
1152     miw.NumSyms       = miw64.NumSyms;
1153     miw.SymType       = miw64.SymType;
1154     lstrcpyW(miw.ModuleName, miw64.ModuleName);
1155     lstrcpyW(miw.ImageName, miw64.ImageName);
1156     lstrcpyW(miw.LoadedImageName, miw64.LoadedImageName);
1157     memcpy(ModuleInfo, &miw, ModuleInfo->SizeOfStruct);
1158
1159     return TRUE;
1160 }
1161
1162 /******************************************************************
1163  *              SymGetModuleInfo64 (DBGHELP.@)
1164  *
1165  */
1166 BOOL  WINAPI SymGetModuleInfo64(HANDLE hProcess, DWORD64 dwAddr,
1167                                 PIMAGEHLP_MODULE64 ModuleInfo)
1168 {
1169     IMAGEHLP_MODULE64   mi64;
1170     IMAGEHLP_MODULEW64  miw64;
1171
1172     if (sizeof(mi64) < ModuleInfo->SizeOfStruct)
1173     {
1174         SetLastError(ERROR_MOD_NOT_FOUND); /* NOTE: native returns this error */
1175         WARN("Wrong size %u\n", ModuleInfo->SizeOfStruct);
1176         return FALSE;
1177     }
1178
1179     miw64.SizeOfStruct = sizeof(miw64);
1180     if (!SymGetModuleInfoW64(hProcess, dwAddr, &miw64)) return FALSE;
1181
1182     mi64.SizeOfStruct  = ModuleInfo->SizeOfStruct;
1183     mi64.BaseOfImage   = miw64.BaseOfImage;
1184     mi64.ImageSize     = miw64.ImageSize;
1185     mi64.TimeDateStamp = miw64.TimeDateStamp;
1186     mi64.CheckSum      = miw64.CheckSum;
1187     mi64.NumSyms       = miw64.NumSyms;
1188     mi64.SymType       = miw64.SymType;
1189     dbghelp_str_WtoA(miw64.ModuleName, mi64.ModuleName, sizeof(mi64.ModuleName));
1190     dbghelp_str_WtoA(miw64.ImageName, mi64.ImageName, sizeof(mi64.ImageName));
1191     dbghelp_str_WtoA(miw64.LoadedImageName, mi64.LoadedImageName, sizeof(mi64.LoadedImageName));
1192     dbghelp_str_WtoA(miw64.LoadedPdbName, mi64.LoadedPdbName, sizeof(mi64.LoadedPdbName));
1193
1194     mi64.CVSig         = miw64.CVSig;
1195     dbghelp_str_WtoA(miw64.CVData, mi64.CVData, sizeof(mi64.CVData));
1196     mi64.PdbSig        = miw64.PdbSig;
1197     mi64.PdbSig70      = miw64.PdbSig70;
1198     mi64.PdbAge        = miw64.PdbAge;
1199     mi64.PdbUnmatched  = miw64.PdbUnmatched;
1200     mi64.DbgUnmatched  = miw64.DbgUnmatched;
1201     mi64.LineNumbers   = miw64.LineNumbers;
1202     mi64.GlobalSymbols = miw64.GlobalSymbols;
1203     mi64.TypeInfo      = miw64.TypeInfo;
1204     mi64.SourceIndexed = miw64.SourceIndexed;
1205     mi64.Publics       = miw64.Publics;
1206     mi64.MachineType   = miw64.MachineType;
1207     mi64.Reserved      = miw64.Reserved;
1208
1209     memcpy(ModuleInfo, &mi64, ModuleInfo->SizeOfStruct);
1210
1211     return TRUE;
1212 }
1213
1214 /******************************************************************
1215  *              SymGetModuleInfoW64 (DBGHELP.@)
1216  *
1217  */
1218 BOOL  WINAPI SymGetModuleInfoW64(HANDLE hProcess, DWORD64 dwAddr,
1219                                  PIMAGEHLP_MODULEW64 ModuleInfo)
1220 {
1221     struct process*     pcs = process_find_by_handle(hProcess);
1222     struct module*      module;
1223     IMAGEHLP_MODULEW64  miw64;
1224
1225     TRACE("%p %s %p\n", hProcess, wine_dbgstr_longlong(dwAddr), ModuleInfo);
1226
1227     if (!pcs) return FALSE;
1228     if (ModuleInfo->SizeOfStruct > sizeof(*ModuleInfo)) return FALSE;
1229     module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
1230     if (!module) return FALSE;
1231
1232     miw64 = module->module;
1233
1234     /* update debug information from container if any */
1235     if (module->module.SymType == SymNone)
1236     {
1237         module = module_get_container(pcs, module);
1238         if (module && module->module.SymType != SymNone)
1239         {
1240             miw64.SymType = module->module.SymType;
1241             miw64.NumSyms = module->module.NumSyms;
1242         }
1243     }
1244     memcpy(ModuleInfo, &miw64, ModuleInfo->SizeOfStruct);
1245     return TRUE;
1246 }
1247
1248 /***********************************************************************
1249  *              SymGetModuleBase (DBGHELP.@)
1250  */
1251 DWORD WINAPI SymGetModuleBase(HANDLE hProcess, DWORD dwAddr)
1252 {
1253     DWORD64     ret;
1254
1255     ret = SymGetModuleBase64(hProcess, dwAddr);
1256     return validate_addr64(ret) ? ret : 0;
1257 }
1258
1259 /***********************************************************************
1260  *              SymGetModuleBase64 (DBGHELP.@)
1261  */
1262 DWORD64 WINAPI SymGetModuleBase64(HANDLE hProcess, DWORD64 dwAddr)
1263 {
1264     struct process*     pcs = process_find_by_handle(hProcess);
1265     struct module*      module;
1266
1267     if (!pcs) return 0;
1268     module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
1269     if (!module) return 0;
1270     return module->module.BaseOfImage;
1271 }
1272
1273 /******************************************************************
1274  *              module_reset_debug_info
1275  * Removes any debug information linked to a given module.
1276  */
1277 void module_reset_debug_info(struct module* module)
1278 {
1279     module->sortlist_valid = TRUE;
1280     module->sorttab_size = 0;
1281     module->addr_sorttab = NULL;
1282     module->num_sorttab = module->num_symbols = 0;
1283     hash_table_destroy(&module->ht_symbols);
1284     module->ht_symbols.num_buckets = 0;
1285     module->ht_symbols.buckets = NULL;
1286     hash_table_destroy(&module->ht_types);
1287     module->ht_types.num_buckets = 0;
1288     module->ht_types.buckets = NULL;
1289     module->vtypes.num_elts = 0;
1290     hash_table_destroy(&module->ht_symbols);
1291     module->sources_used = module->sources_alloc = 0;
1292     module->sources = NULL;
1293 }
1294
1295 /******************************************************************
1296  *              SymRefreshModuleList (DBGHELP.@)
1297  */
1298 BOOL WINAPI SymRefreshModuleList(HANDLE hProcess)
1299 {
1300     struct process*     pcs;
1301
1302     TRACE("(%p)\n", hProcess);
1303
1304     if (!(pcs = process_find_by_handle(hProcess))) return FALSE;
1305
1306     return pcs->loader->synchronize_module_list(pcs);
1307 }
1308
1309 /***********************************************************************
1310  *              SymFunctionTableAccess (DBGHELP.@)
1311  */
1312 PVOID WINAPI SymFunctionTableAccess(HANDLE hProcess, DWORD AddrBase)
1313 {
1314     return SymFunctionTableAccess64(hProcess, AddrBase);
1315 }
1316
1317 /***********************************************************************
1318  *              SymFunctionTableAccess64 (DBGHELP.@)
1319  */
1320 PVOID WINAPI SymFunctionTableAccess64(HANDLE hProcess, DWORD64 AddrBase)
1321 {
1322     struct process*     pcs = process_find_by_handle(hProcess);
1323     struct module*      module;
1324
1325     if (!pcs || !dbghelp_current_cpu->find_runtime_function) return NULL;
1326     module = module_find_by_addr(pcs, AddrBase, DMT_UNKNOWN);
1327     if (!module) return NULL;
1328
1329     return dbghelp_current_cpu->find_runtime_function(module, AddrBase);
1330 }
1331
1332 static BOOL native_synchronize_module_list(struct process* pcs)
1333 {
1334     return FALSE;
1335 }
1336
1337 static struct module* native_load_module(struct process* pcs, const WCHAR* name, ULONG_PTR addr)
1338 {
1339     return NULL;
1340 }
1341
1342 static BOOL native_load_debug_info(struct process* process, struct module* module)
1343 {
1344     return FALSE;
1345 }
1346
1347 static BOOL native_enum_modules(struct process *process, enum_modules_cb cb, void* user)
1348 {
1349     return FALSE;
1350 }
1351
1352 static BOOL native_fetch_file_info(struct process* process, const WCHAR* name, ULONG_PTR load_addr, DWORD_PTR* base,
1353                                    DWORD* size, DWORD* checksum)
1354 {
1355     return FALSE;
1356 }
1357
1358 const struct loader_ops no_loader_ops =
1359 {
1360     native_synchronize_module_list,
1361     native_load_module,
1362     native_load_debug_info,
1363     native_enum_modules,
1364     native_fetch_file_info,
1365 };