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