?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
dbghelp: Use EnumProcessModulesEx().
[wine.git] / dlls / dbghelp / module.c
blob5b99b5eea583fd4ad07b768f257a922580219571
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[] = L"<elf>";
39 const WCHAR S_WineLoaderW[] = L"<wine-loader>";
40 static const WCHAR * const ext[] = {L".acm", L".dll", L".drv", L".exe", L".ocx", L".vxd", NULL};
41
42 static int match_ext(const WCHAR* ptr, size_t len)
43 {
44 const WCHAR* const *e;
45 size_t l;
46
47 for (e = ext; *e; e++)
48 {
49 l = lstrlenW(*e);
50 if (l >= len) return 0;
51 if (wcsnicmp(&ptr[len - l], *e, l)) continue;
52 return l;
53 }
54 return 0;
55 }
56
57 static const WCHAR* get_filename(const WCHAR* name, const WCHAR* endptr)
58 {
59 const WCHAR* ptr;
60
61 if (!endptr) endptr = name + lstrlenW(name);
62 for (ptr = endptr - 1; ptr >= name; ptr--)
63 {
64 if (*ptr == '/' || *ptr == '\\') break;
65 }
66 return ++ptr;
67 }
68
69 static BOOL is_wine_loader(const WCHAR *module)
70 {
71 const WCHAR *filename = get_filename(module, NULL);
72 const char *ptr;
73 BOOL ret = FALSE;
74 WCHAR *buffer;
75 DWORD len;
76
77 if ((ptr = getenv("WINELOADER")))
78 {
79 ptr = file_nameA(ptr);
80 len = 2 + MultiByteToWideChar( CP_UNIXCP, 0, ptr, -1, NULL, 0 );
81 buffer = heap_alloc( len * sizeof(WCHAR) );
82 MultiByteToWideChar( CP_UNIXCP, 0, ptr, -1, buffer, len );
83 }
84 else
85 {
86 buffer = heap_alloc( sizeof(L"wine") + 2 * sizeof(WCHAR) );
87 lstrcpyW( buffer, L"wine" );
88 }
89
90 if (!wcscmp( filename, buffer ))
91 ret = TRUE;
92
93 lstrcatW( buffer, L"64" );
94 if (!wcscmp( filename, buffer ))
95 ret = TRUE;
96
97 heap_free( buffer );
98 return ret;
99 }
100
101 static void module_fill_module(const WCHAR* in, WCHAR* out, size_t size)
102 {
103 const WCHAR *ptr, *endptr;
104 size_t len, l;
105
106 endptr = in + lstrlenW(in);
107 endptr -= match_ext(in, endptr - in);
108 ptr = get_filename(in, endptr);
109 len = min(endptr - ptr, size - 1);
110 memcpy(out, ptr, len * sizeof(WCHAR));
111 out[len] = '\0';
112 if (is_wine_loader(out))
113 lstrcpynW(out, S_WineLoaderW, size);
114 else
115 {
116 if (len > 3 && !wcsicmp(&out[len - 3], L".so") &&
117 (l = match_ext(out, len - 3)))
118 lstrcpyW(&out[len - l - 3], L"<elf>");
119 }
120 while ((*out = towlower(*out))) out++;
121 }
122
123 void module_set_module(struct module* module, const WCHAR* name)
124 {
125 module_fill_module(name, module->module.ModuleName, ARRAY_SIZE(module->module.ModuleName));
126 module_fill_module(name, module->modulename, ARRAY_SIZE(module->modulename));
127 }
128
129 /* Returned string must be freed by caller */
130 WCHAR *get_wine_loader_name(struct process *pcs)
131 {
132 const WCHAR *name;
133 WCHAR* altname;
134 unsigned len;
135
136 name = process_getenv(pcs, L"WINELOADER");
137 if (!name) name = pcs->is_64bit ? L"wine64" : L"wine";
138 len = lstrlenW(name);
139
140 /* WINELOADER isn't properly updated in Wow64 process calling inside Windows env block
141 * (it's updated in ELF env block though)
142 * So do the adaptation ourselves.
143 */
144 altname = HeapAlloc(GetProcessHeap(), 0, (len + 2 + 1) * sizeof(WCHAR));
145 if (altname)
146 {
147 memcpy(altname, name, len * sizeof(WCHAR));
148 if (pcs->is_64bit && len >= 2 && memcmp(name + len - 2, L"64", 2 * sizeof(WCHAR)) != 0)
149 lstrcpyW(altname + len, L"64");
150 else if (!pcs->is_64bit && len >= 2 && !memcmp(name + len - 2, L"64", 2 * sizeof(WCHAR)))
151 altname[len - 2] = '\0';
152 else
153 altname[len] = '\0';
154 }
155
156 TRACE("returning %s\n", debugstr_w(altname));
157 return altname;
158 }
159
160 static const char* get_module_type(enum module_type type, BOOL virtual)
161 {
162 switch (type)
163 {
164 case DMT_ELF: return virtual ? "Virtual ELF" : "ELF";
165 case DMT_PE: return virtual ? "Virtual PE" : "PE";
166 case DMT_MACHO: return virtual ? "Virtual Mach-O" : "Mach-O";
167 default: return "---";
168 }
169 }
170
171 /***********************************************************************
172 * Creates and links a new module to a process
173 */
174 struct module* module_new(struct process* pcs, const WCHAR* name,
175 enum module_type type, BOOL virtual,
176 DWORD64 mod_addr, DWORD64 size,
177 ULONG_PTR stamp, ULONG_PTR checksum, WORD machine)
178 {
179 struct module* module;
180 unsigned i;
181
182 assert(type == DMT_ELF || type == DMT_PE || type == DMT_MACHO);
183 if (!(module = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*module))))
184 return NULL;
185
186 module->next = pcs->lmodules;
187 pcs->lmodules = module;
188
189 TRACE("=> %s %I64x-%I64x %s\n",
190 get_module_type(type, virtual), mod_addr, mod_addr + size, debugstr_w(name));
191
192 pool_init(&module->pool, 65536);
193
194 module->process = pcs;
195 module->module.SizeOfStruct = sizeof(module->module);
196 module->module.BaseOfImage = mod_addr;
197 module->module.ImageSize = size;
198 module_set_module(module, name);
199 module->module.ImageName[0] = '\0';
200 lstrcpynW(module->module.LoadedImageName, name, ARRAY_SIZE(module->module.LoadedImageName));
201 module->module.SymType = SymDeferred;
202 module->module.NumSyms = 0;
203 module->module.TimeDateStamp = stamp;
204 module->module.CheckSum = checksum;
205
206 memset(module->module.LoadedPdbName, 0, sizeof(module->module.LoadedPdbName));
207 module->module.CVSig = 0;
208 memset(module->module.CVData, 0, sizeof(module->module.CVData));
209 module->module.PdbSig = 0;
210 memset(&module->module.PdbSig70, 0, sizeof(module->module.PdbSig70));
211 module->module.PdbAge = 0;
212 module->module.PdbUnmatched = FALSE;
213 module->module.DbgUnmatched = FALSE;
214 module->module.LineNumbers = FALSE;
215 module->module.GlobalSymbols = FALSE;
216 module->module.TypeInfo = FALSE;
217 module->module.SourceIndexed = FALSE;
218 module->module.Publics = FALSE;
219 module->module.MachineType = machine;
220 module->module.Reserved = 0;
221
222 module->reloc_delta = 0;
223 module->type = type;
224 module->is_virtual = virtual;
225 for (i = 0; i < DFI_LAST; i++) module->format_info[i] = NULL;
226 module->sortlist_valid = FALSE;
227 module->sorttab_size = 0;
228 module->addr_sorttab = NULL;
229 module->num_sorttab = 0;
230 module->num_symbols = 0;
231 module->cpu = cpu_find(machine);
232 if (!module->cpu)
233 module->cpu = dbghelp_current_cpu;
234
235 vector_init(&module->vsymt, sizeof(struct symt*), 128);
236 vector_init(&module->vcustom_symt, sizeof(struct symt*), 16);
237 /* FIXME: this seems a bit too high (on a per module basis)
238 * need some statistics about this
239 */
240 hash_table_init(&module->pool, &module->ht_symbols, 4096);
241 hash_table_init(&module->pool, &module->ht_types, 4096);
242 vector_init(&module->vtypes, sizeof(struct symt*), 32);
243
244 module->sources_used = 0;
245 module->sources_alloc = 0;
246 module->sources = 0;
247 wine_rb_init(&module->sources_offsets_tree, source_rb_compare);
248
249 /* add top level symbol */
250 module->top = symt_new_module(module);
251
252 return module;
253 }
254
255 BOOL module_init_pair(struct module_pair* pair, HANDLE hProcess, DWORD64 addr)
256 {
257 if (!(pair->pcs = process_find_by_handle(hProcess))) return FALSE;
258 pair->requested = module_find_by_addr(pair->pcs, addr, DMT_UNKNOWN);
259 return module_get_debug(pair);
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->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 BOOL module_load_debug(struct module* module)
352 {
353 IMAGEHLP_DEFERRED_SYMBOL_LOADW64 idslW64;
354
355 /* if deferred, force loading */
356 if (module->module.SymType == SymDeferred)
357 {
358 BOOL ret;
359
360 if (module->is_virtual) ret = FALSE;
361 else if (module->type == DMT_PE)
362 {
363 idslW64.SizeOfStruct = sizeof(idslW64);
364 idslW64.BaseOfImage = module->module.BaseOfImage;
365 idslW64.CheckSum = module->module.CheckSum;
366 idslW64.TimeDateStamp = module->module.TimeDateStamp;
367 memcpy(idslW64.FileName, module->module.ImageName,
368 sizeof(module->module.ImageName));
369 idslW64.Reparse = FALSE;
370 idslW64.hFile = INVALID_HANDLE_VALUE;
371
372 pcs_callback(module->process, CBA_DEFERRED_SYMBOL_LOAD_START, &idslW64);
373 ret = pe_load_debug_info(module->process, module);
374 pcs_callback(module->process,
375 ret ? CBA_DEFERRED_SYMBOL_LOAD_COMPLETE : CBA_DEFERRED_SYMBOL_LOAD_FAILURE,
376 &idslW64);
377 }
378 else ret = module->process->loader->load_debug_info(module->process, module);
379
380 if (!ret) module->module.SymType = SymNone;
381 assert(module->module.SymType != SymDeferred);
382 module->module.NumSyms = module->ht_symbols.num_elts;
383 }
384 return module->module.SymType != SymNone;
385 }
386
387 /******************************************************************
388 * module_get_debug
389 *
390 * get the debug information from a module:
391 * - if the module's type is deferred, then force loading of debug info (and return
392 * the module itself)
393 * - if the module has no debug info and has an ELF container, then return the ELF
394 * container (and also force the ELF container's debug info loading if deferred)
395 * - otherwise return the module itself if it has some debug info
396 */
397 BOOL module_get_debug(struct module_pair* pair)
398 {
399 if (!pair->requested) return FALSE;
400 /* for a PE builtin, always get info from container */
401 if (!(pair->effective = module_get_container(pair->pcs, pair->requested)))
402 pair->effective = pair->requested;
403 return module_load_debug(pair->effective);
404 }
405
406 /***********************************************************************
407 * module_find_by_addr
408 *
409 * either the addr where module is loaded, or any address inside the
410 * module
411 */
412 struct module* module_find_by_addr(const struct process* pcs, DWORD64 addr,
413 enum module_type type)
414 {
415 struct module* module;
416
417 if (type == DMT_UNKNOWN)
418 {
419 if ((module = module_find_by_addr(pcs, addr, DMT_PE)) ||
420 (module = module_find_by_addr(pcs, addr, DMT_ELF)) ||
421 (module = module_find_by_addr(pcs, addr, DMT_MACHO)))
422 return module;
423 }
424 else
425 {
426 for (module = pcs->lmodules; module; module = module->next)
427 {
428 if (type == module->type && addr >= module->module.BaseOfImage &&
429 addr < module->module.BaseOfImage + module->module.ImageSize)
430 return module;
431 }
432 }
433 SetLastError(ERROR_MOD_NOT_FOUND);
434 return module;
435 }
436
437 /******************************************************************
438 * module_is_container_loaded
439 *
440 * checks whether the native container, for a (supposed) PE builtin is
441 * already loaded
442 */
443 static BOOL module_is_container_loaded(const struct process* pcs,
444 const WCHAR* ImageName, DWORD64 base)
445 {
446 size_t len;
447 struct module* module;
448 PCWSTR filename, modname;
449
450 if (!base) return FALSE;
451 filename = get_filename(ImageName, NULL);
452 len = lstrlenW(filename);
453
454 for (module = pcs->lmodules; module; module = module->next)
455 {
456 if ((module->type == DMT_ELF || module->type == DMT_MACHO) &&
457 base >= module->module.BaseOfImage &&
458 base < module->module.BaseOfImage + module->module.ImageSize)
459 {
460 modname = get_filename(module->module.LoadedImageName, NULL);
461 if (!wcsnicmp(modname, filename, len) &&
462 !memcmp(modname + len, L".so", 3 * sizeof(WCHAR)))
463 {
464 return TRUE;
465 }
466 }
467 }
468 /* likely a native PE module */
469 WARN("Couldn't find container for %s\n", debugstr_w(ImageName));
470 return FALSE;
471 }
472
473 static BOOL image_check_debug_link_crc(const WCHAR* file, struct image_file_map* fmap, DWORD link_crc)
474 {
475 DWORD read_bytes;
476 HANDLE handle;
477 WCHAR *path;
478 WORD magic;
479 DWORD crc;
480 BOOL ret;
481
482 path = get_dos_file_name(file);
483 handle = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
484 heap_free(path);
485 if (handle == INVALID_HANDLE_VALUE) return FALSE;
486
487 crc = calc_crc32(handle);
488 if (crc != link_crc)
489 {
490 WARN("Bad CRC for file %s (got %08lx while expecting %08lx)\n", debugstr_w(file), crc, link_crc);
491 CloseHandle(handle);
492 return FALSE;
493 }
494
495 SetFilePointer(handle, 0, 0, FILE_BEGIN);
496 if (ReadFile(handle, &magic, sizeof(magic), &read_bytes, NULL) && magic == IMAGE_DOS_SIGNATURE)
497 ret = pe_map_file(handle, fmap, DMT_PE);
498 else
499 ret = elf_map_handle(handle, fmap);
500 CloseHandle(handle);
501 return ret;
502 }
503
504 static BOOL image_check_debug_link_gnu_id(const WCHAR* file, struct image_file_map* fmap, const BYTE* id, unsigned idlen)
505 {
506 struct image_section_map buildid_sect;
507 DWORD read_bytes;
508 HANDLE handle;
509 WCHAR *path;
510 WORD magic;
511 BOOL ret;
512
513 path = get_dos_file_name(file);
514 handle = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
515 heap_free(path);
516 if (handle == INVALID_HANDLE_VALUE) return FALSE;
517
518 TRACE("Located debug information file at %s\n", debugstr_w(file));
519
520 if (ReadFile(handle, &magic, sizeof(magic), &read_bytes, NULL) && magic == IMAGE_DOS_SIGNATURE)
521 ret = pe_map_file(handle, fmap, DMT_PE);
522 else
523 ret = elf_map_handle(handle, fmap);
524 CloseHandle(handle);
525
526 if (ret && image_find_section(fmap, ".note.gnu.build-id", &buildid_sect))
527 {
528 const UINT32* note;
529
530 note = (const UINT32*)image_map_section(&buildid_sect);
531 if (note != IMAGE_NO_MAP)
532 {
533 /* the usual ELF note structure: name-size desc-size type <name> <desc> */
534 if (note[2] == NOTE_GNU_BUILD_ID)
535 {
536 if (note[1] == idlen && !memcmp(note + 3 + ((note[0] + 3) >> 2), id, idlen))
537 return TRUE;
538 WARN("mismatch in buildid information for %s\n", wine_dbgstr_w(file));
539 }
540 }
541 image_unmap_section(&buildid_sect);
542 image_unmap_file(fmap);
543 }
544 return FALSE;
545 }
546
547 /******************************************************************
548 * image_locate_debug_link
549 *
550 * Locate a filename from a .gnu_debuglink section, using the same
551 * strategy as gdb:
552 * "If the full name of the directory containing the executable is
553 * execdir, and the executable has a debug link that specifies the
554 * name debugfile, then GDB will automatically search for the
555 * debugging information file in three places:
556 * - the directory containing the executable file (that is, it
557 * will look for a file named `execdir/debugfile',
558 * - a subdirectory of that directory named `.debug' (that is, the
559 * file `execdir/.debug/debugfile', and
560 * - a subdirectory of the global debug file directory that includes
561 * the executable's full path, and the name from the link (that is,
562 * the file `globaldebugdir/execdir/debugfile', where globaldebugdir
563 * is the global debug file directory, and execdir has been turned
564 * into a relative path)." (from GDB manual)
565 */
566 static BOOL image_locate_debug_link(const struct module* module, struct image_file_map* fmap, const char* filename, DWORD crc)
567 {
568 static const WCHAR globalDebugDirW[] = {'/','u','s','r','/','l','i','b','/','d','e','b','u','g','/'};
569 static const WCHAR dotDebugW[] = {'.','d','e','b','u','g','/'};
570 const size_t globalDebugDirLen = ARRAY_SIZE(globalDebugDirW);
571 size_t filename_len, path_len;
572 WCHAR* p = NULL;
573 WCHAR* slash;
574 WCHAR* slash2;
575 struct image_file_map* fmap_link = NULL;
576
577 fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
578 if (!fmap_link) return FALSE;
579
580 filename_len = MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, NULL, 0);
581 path_len = lstrlenW(module->module.LoadedImageName);
582 if (module->real_path) path_len = max(path_len, lstrlenW(module->real_path));
583 p = HeapAlloc(GetProcessHeap(), 0,
584 (globalDebugDirLen + path_len + 6 + 1 + filename_len + 1) * sizeof(WCHAR));
585 if (!p) goto found;
586
587 /* we prebuild the string with "execdir" */
588 lstrcpyW(p, module->module.LoadedImageName);
589 slash = p;
590 if ((slash2 = wcsrchr(slash, '/'))) slash = slash2 + 1;
591 if ((slash2 = wcsrchr(slash, '\\'))) slash = slash2 + 1;
592
593 /* testing execdir/filename */
594 MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
595 if (image_check_debug_link_crc(p, fmap_link, crc)) goto found;
596
597 /* testing execdir/.debug/filename */
598 memcpy(slash, dotDebugW, sizeof(dotDebugW));
599 MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash + ARRAY_SIZE(dotDebugW), filename_len);
600 if (image_check_debug_link_crc(p, fmap_link, crc)) goto found;
601
602 if (module->real_path)
603 {
604 lstrcpyW(p, module->real_path);
605 slash = p;
606 if ((slash2 = wcsrchr(slash, '/'))) slash = slash2 + 1;
607 if ((slash2 = wcsrchr(slash, '\\'))) slash = slash2 + 1;
608 MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
609 if (image_check_debug_link_crc(p, fmap_link, crc)) goto found;
610 }
611
612 /* testing globaldebugdir/execdir/filename */
613 memmove(p + globalDebugDirLen, p, (slash - p) * sizeof(WCHAR));
614 memcpy(p, globalDebugDirW, globalDebugDirLen * sizeof(WCHAR));
615 slash += globalDebugDirLen;
616 MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
617 if (image_check_debug_link_crc(p, fmap_link, crc)) goto found;
618
619 /* finally testing filename */
620 if (image_check_debug_link_crc(slash, fmap_link, crc)) goto found;
621
622
623 WARN("Couldn't locate or map %s\n", filename);
624 HeapFree(GetProcessHeap(), 0, p);
625 HeapFree(GetProcessHeap(), 0, fmap_link);
626 return FALSE;
627
628 found:
629 TRACE("Located debug information file %s at %s\n", filename, debugstr_w(p));
630 HeapFree(GetProcessHeap(), 0, p);
631 fmap->alternate = fmap_link;
632 return TRUE;
633 }
634
635 static WCHAR* append_hex(WCHAR* dst, const BYTE* id, const BYTE* end)
636 {
637 while (id < end)
638 {
639 *dst++ = "0123456789abcdef"[*id >> 4 ];
640 *dst++ = "0123456789abcdef"[*id & 0x0F];
641 id++;
642 }
643 return dst;
644 }
645
646 /******************************************************************
647 * image_locate_build_id_target
648 *
649 * Try to find the .so file containing the debug info out of the build-id note information
650 */
651 static BOOL image_locate_build_id_target(struct image_file_map* fmap, const BYTE* id, unsigned idlen)
652 {
653 struct image_file_map* fmap_link = NULL;
654 DWORD sz;
655 WCHAR* p;
656 WCHAR* z;
657
658 fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
659 if (!fmap_link) return FALSE;
660
661 p = malloc(sizeof(L"/usr/lib/debug/.build-id/") +
662 (idlen * 2 + 1) * sizeof(WCHAR) + sizeof(L".debug"));
663 if (!p) goto fail;
664 wcscpy(p, L"/usr/lib/debug/.build-id/");
665 z = p + wcslen(p);
666 if (idlen)
667 {
668 z = append_hex(z, id, id + 1);
669 if (idlen > 1)
670 {
671 *z++ = L'/';
672 z = append_hex(z, id + 1, id + idlen);
673 }
674 }
675 wcscpy(z, L".debug");
676 TRACE("checking %s\n", wine_dbgstr_w(p));
677
678 if (image_check_debug_link_gnu_id(p, fmap_link, id, idlen))
679 {
680 free(p);
681 fmap->alternate = fmap_link;
682 return TRUE;
683 }
684
685 sz = GetEnvironmentVariableW(L"WINEHOMEDIR", NULL, 0);
686 if (sz)
687 {
688 z = realloc(p, sz * sizeof(WCHAR) +
689 sizeof(L"\\.cache\\debuginfod_client\\") +
690 idlen * 2 * sizeof(WCHAR) + sizeof(L"\\debuginfo") + 500);
691 if (!z) goto fail;
692 p = z;
693 GetEnvironmentVariableW(L"WINEHOMEDIR", p, sz);
694 z = p + sz - 1;
695 wcscpy(z, L"\\.cache\\debuginfod_client\\");
696 z += wcslen(z);
697 z = append_hex(z, id, id + idlen);
698 wcscpy(z, L"\\debuginfo");
699 TRACE("checking %ls\n", p);
700 if (image_check_debug_link_gnu_id(p, fmap_link, id, idlen))
701 {
702 free(p);
703 fmap->alternate = fmap_link;
704 return TRUE;
705 }
706 }
707
708 TRACE("not found\n");
709 fail:
710 free(p);
711 HeapFree(GetProcessHeap(), 0, fmap_link);
712 return FALSE;
713 }
714
715 /******************************************************************
716 * image_load_debugaltlink
717 *
718 * Handle a (potential) .gnu_debugaltlink section and the link to
719 * (another) alternate debug file.
720 * Return an heap-allocated image_file_map when the section .gnu_debugaltlink is present,
721 * and a matching debug file has been located.
722 */
723 struct image_file_map* image_load_debugaltlink(struct image_file_map* fmap, struct module* module)
724 {
725 struct image_section_map debugaltlink_sect;
726 const char* data;
727 struct image_file_map* fmap_link = NULL;
728 BOOL ret = FALSE;
729
730 for (; fmap; fmap = fmap->alternate)
731 {
732 if (image_find_section(fmap, ".gnu_debugaltlink", &debugaltlink_sect)) break;
733 }
734 if (!fmap)
735 {
736 TRACE("No .gnu_debugaltlink section found for %s\n", debugstr_w(module->modulename));
737 return NULL;
738 }
739
740 data = image_map_section(&debugaltlink_sect);
741 if (data != IMAGE_NO_MAP)
742 {
743 unsigned sect_len;
744 const BYTE* id;
745 /* The content of the section is:
746 * + a \0 terminated string (filename)
747 * + followed by the build-id
748 * We try loading the dwz_alternate:
749 * - from the filename: either as absolute path, or relative to the embedded build-id
750 * - from the build-id
751 * In both cases, checking that found .so file matches the requested build-id
752 */
753 sect_len = image_get_map_size(&debugaltlink_sect);
754 id = memchr(data, '\0', sect_len);
755 if (id++)
756 {
757 unsigned idlen = (const BYTE*)data + sect_len - id;
758 fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
759 if (fmap_link)
760 {
761 unsigned filename_len = MultiByteToWideChar(CP_UNIXCP, 0, data, -1, NULL, 0);
762 /* Trying absolute path */
763 WCHAR* dst = HeapAlloc(GetProcessHeap(), 0, filename_len * sizeof(WCHAR));
764 if (dst)
765 {
766 MultiByteToWideChar(CP_UNIXCP, 0, data, -1, dst, filename_len);
767 ret = image_check_debug_link_gnu_id(dst, fmap_link, id, idlen);
768 HeapFree(GetProcessHeap(), 0, dst);
769 }
770 /* Trying relative path to build-id directory */
771 if (!ret)
772 {
773 dst = HeapAlloc(GetProcessHeap(), 0,
774 sizeof(L"/usr/lib/debug/.build-id/") + (3 + filename_len + idlen * 2) * sizeof(WCHAR));
775 if (dst)
776 {
777 WCHAR* p;
778
779 /* SIGH....
780 * some relative links are relative to /usr/lib/debug/.build-id, some others are from the directory
781 * where the alternate file is...
782 * so try both
783 */
784 p = memcpy(dst, L"/usr/lib/debug/.build-id/", sizeof(L"/usr/lib/debug/.build-id/"));
785 p += wcslen(dst);
786 MultiByteToWideChar(CP_UNIXCP, 0, data, -1, p, filename_len);
787 ret = image_check_debug_link_gnu_id(dst, fmap_link, id, idlen);
788 if (!ret)
789 {
790 p = append_hex(p, id, id + idlen);
791 *p++ = '/';
792 MultiByteToWideChar(CP_UNIXCP, 0, data, -1, p, filename_len);
793 ret = image_check_debug_link_gnu_id(dst, fmap_link, id, idlen);
794 }
795 HeapFree(GetProcessHeap(), 0, dst);
796 }
797 }
798 if (!ret)
799 {
800 HeapFree(GetProcessHeap(), 0, fmap_link);
801 /* didn't work out with filename, try file lookup based on build-id */
802 ret = image_locate_build_id_target(fmap, id, idlen);
803 if (!ret)
804 {
805 WARN("Couldn't find a match for .gnu_debugaltlink section %s for %s\n", data, debugstr_w(module->modulename));
806 fmap_link = NULL;
807 }
808 }
809 }
810 }
811 }
812 image_unmap_section(&debugaltlink_sect);
813 if (fmap_link) TRACE("Found match .gnu_debugaltlink section for %s\n", debugstr_w(module->modulename));
814 return fmap_link;
815 }
816
817 /******************************************************************
818 * image_check_alternate
819 *
820 * Load alternate files for a given image file, looking at either .note.gnu_build-id
821 * or .gnu_debuglink sections.
822 */
823 BOOL image_check_alternate(struct image_file_map* fmap, const struct module* module)
824 {
825 BOOL ret = FALSE;
826 BOOL found = FALSE;
827 struct image_section_map buildid_sect, debuglink_sect;
828
829 /* if present, add the .gnu_debuglink file as an alternate to current one */
830 if (image_find_section(fmap, ".note.gnu.build-id", &buildid_sect))
831 {
832 const UINT32* note;
833
834 found = TRUE;
835 note = (const UINT32*)image_map_section(&buildid_sect);
836 if (note != IMAGE_NO_MAP)
837 {
838 /* the usual ELF note structure: name-size desc-size type <name> <desc> */
839 if (note[2] == NOTE_GNU_BUILD_ID)
840 {
841 ret = image_locate_build_id_target(fmap, (const BYTE*)(note + 3 + ((note[0] + 3) >> 2)), note[1]);
842 }
843 }
844 image_unmap_section(&buildid_sect);
845 }
846 /* if present, add the .gnu_debuglink file as an alternate to current one */
847 if (!ret && image_find_section(fmap, ".gnu_debuglink", &debuglink_sect))
848 {
849 const char* dbg_link;
850
851 found = TRUE;
852 dbg_link = image_map_section(&debuglink_sect);
853 if (dbg_link != IMAGE_NO_MAP)
854 {
855 /* The content of a debug link section is:
856 * 1/ a NULL terminated string, containing the file name for the
857 * debug info
858 * 2/ padding on 4 byte boundary
859 * 3/ CRC of the linked file
860 */
861 DWORD crc = *(const DWORD*)(dbg_link + ((DWORD_PTR)(strlen(dbg_link) + 4) & ~3));
862 ret = image_locate_debug_link(module, fmap, dbg_link, crc);
863 if (!ret)
864 WARN("Couldn't load linked debug file for %s\n",
865 debugstr_w(module->modulename));
866 }
867 image_unmap_section(&debuglink_sect);
868 }
869 return found ? ret : TRUE;
870 }
871
872 /***********************************************************************
873 * SymLoadModule (DBGHELP.@)
874 */
875 DWORD WINAPI SymLoadModule(HANDLE hProcess, HANDLE hFile, PCSTR ImageName,
876 PCSTR ModuleName, DWORD BaseOfDll, DWORD SizeOfDll)
877 {
878 return SymLoadModuleEx(hProcess, hFile, ImageName, ModuleName, BaseOfDll,
879 SizeOfDll, NULL, 0);
880 }
881
882 /***********************************************************************
883 * SymLoadModuleEx (DBGHELP.@)
884 */
885 DWORD64 WINAPI SymLoadModuleEx(HANDLE hProcess, HANDLE hFile, PCSTR ImageName,
886 PCSTR ModuleName, DWORD64 BaseOfDll, DWORD DllSize,
887 PMODLOAD_DATA Data, DWORD Flags)
888 {
889 PWSTR wImageName, wModuleName;
890 unsigned len;
891 DWORD64 ret;
892
893 TRACE("(%p %p %s %s %I64x %08lx %p %08lx)\n",
894 hProcess, hFile, debugstr_a(ImageName), debugstr_a(ModuleName),
895 BaseOfDll, DllSize, Data, Flags);
896
897 if (ImageName)
898 {
899 len = MultiByteToWideChar(CP_ACP, 0, ImageName, -1, NULL, 0);
900 wImageName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
901 MultiByteToWideChar(CP_ACP, 0, ImageName, -1, wImageName, len);
902 }
903 else wImageName = NULL;
904 if (ModuleName)
905 {
906 len = MultiByteToWideChar(CP_ACP, 0, ModuleName, -1, NULL, 0);
907 wModuleName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
908 MultiByteToWideChar(CP_ACP, 0, ModuleName, -1, wModuleName, len);
909 }
910 else wModuleName = NULL;
911
912 ret = SymLoadModuleExW(hProcess, hFile, wImageName, wModuleName,
913 BaseOfDll, DllSize, Data, Flags);
914 HeapFree(GetProcessHeap(), 0, wImageName);
915 HeapFree(GetProcessHeap(), 0, wModuleName);
916 return ret;
917 }
918
919 /***********************************************************************
920 * SymLoadModuleExW (DBGHELP.@)
921 */
922 DWORD64 WINAPI SymLoadModuleExW(HANDLE hProcess, HANDLE hFile, PCWSTR wImageName,
923 PCWSTR wModuleName, DWORD64 BaseOfDll, DWORD SizeOfDll,
924 PMODLOAD_DATA Data, DWORD Flags)
925 {
926 struct process* pcs;
927 struct module* module = NULL;
928 struct module* altmodule;
929
930 TRACE("(%p %p %s %s %I64x %08lx %p %08lx)\n",
931 hProcess, hFile, debugstr_w(wImageName), debugstr_w(wModuleName),
932 BaseOfDll, SizeOfDll, Data, Flags);
933
934 if (Data)
935 FIXME("Unsupported load data parameter %p for %s\n",
936 Data, debugstr_w(wImageName));
937
938 if (!(pcs = process_find_by_handle(hProcess))) return 0;
939
940 if (Flags & ~(SLMFLAG_VIRTUAL))
941 FIXME("Unsupported Flags %08lx for %s\n", Flags, debugstr_w(wImageName));
942
943 pcs->loader->synchronize_module_list(pcs);
944
945 /* this is a Wine extension to the API just to redo the synchronisation */
946 if (!wImageName && !hFile) return 0;
947
948 if (Flags & SLMFLAG_VIRTUAL)
949 {
950 if (!wImageName) return 0;
951 module = module_new(pcs, wImageName, DMT_PE, TRUE, BaseOfDll, SizeOfDll, 0, 0, IMAGE_FILE_MACHINE_UNKNOWN);
952 if (!module) return 0;
953 module->module.SymType = SymVirtual;
954 }
955 /* check if it's a builtin PE module with a containing ELF module */
956 else if (wImageName && module_is_container_loaded(pcs, wImageName, BaseOfDll))
957 {
958 /* force the loading of DLL as builtin */
959 module = pe_load_builtin_module(pcs, wImageName, BaseOfDll, SizeOfDll);
960 }
961 if (!module)
962 {
963 /* otherwise, try a regular PE module */
964 if (!(module = pe_load_native_module(pcs, wImageName, hFile, BaseOfDll, SizeOfDll)) &&
965 wImageName)
966 {
967 /* and finally an ELF or Mach-O module */
968 module = pcs->loader->load_module(pcs, wImageName, BaseOfDll);
969 }
970 }
971 if (!module)
972 {
973 WARN("Couldn't locate %s\n", debugstr_w(wImageName));
974 return 0;
975 }
976 /* by default module_new fills module.ModuleName from a derivation
977 * of LoadedImageName. Overwrite it, if we have better information
978 */
979 if (wModuleName)
980 module_set_module(module, wModuleName);
981 if (wImageName)
982 lstrcpynW(module->module.ImageName, wImageName, ARRAY_SIZE(module->module.ImageName));
983
984 for (altmodule = pcs->lmodules; altmodule; altmodule = altmodule->next)
985 {
986 if (altmodule != module && altmodule->type == module->type &&
987 module->module.BaseOfImage >= altmodule->module.BaseOfImage &&
988 module->module.BaseOfImage < altmodule->module.BaseOfImage + altmodule->module.ImageSize)
989 break;
990 }
991 if (altmodule)
992 {
993 /* we have a conflict as the new module cannot be found by its base address
994 * we need to get rid of one on the two modules
995 */
996 if (lstrcmpW(module->modulename, altmodule->modulename) != 0)
997 {
998 /* module overlaps an existing but different module... unload new module and return error */
999 WARN("%ls overlaps %ls\n", module->modulename, altmodule->modulename);
1000 module_remove(pcs, module);
1001 SetLastError(ERROR_INVALID_PARAMETER);
1002 return 0;
1003 }
1004 /* loading same module at same address... don't change anything */
1005 if (module->module.BaseOfImage == altmodule->module.BaseOfImage)
1006 {
1007 module_remove(pcs, module);
1008 SetLastError(ERROR_SUCCESS);
1009 return 0;
1010 }
1011 /* replace old module with new one, which will look like a shift of base address */
1012 WARN("Shift module %ls from %I64x to %I64x\n",
1013 module->modulename, altmodule->module.BaseOfImage, module->module.BaseOfImage);
1014 module_remove(pcs, altmodule);
1015 }
1016
1017 if ((dbghelp_options & SYMOPT_DEFERRED_LOADS) == 0 && !module_get_container(pcs, module))
1018 module_load_debug(module);
1019 return module->module.BaseOfImage;
1020 }
1021
1022 /***********************************************************************
1023 * SymLoadModule64 (DBGHELP.@)
1024 */
1025 DWORD64 WINAPI SymLoadModule64(HANDLE hProcess, HANDLE hFile, PCSTR ImageName,
1026 PCSTR ModuleName, DWORD64 BaseOfDll, DWORD SizeOfDll)
1027 {
1028 return SymLoadModuleEx(hProcess, hFile, ImageName, ModuleName, BaseOfDll, SizeOfDll,
1029 NULL, 0);
1030 }
1031
1032 /******************************************************************
1033 * module_remove
1034 *
1035 */
1036 BOOL module_remove(struct process* pcs, struct module* module)
1037 {
1038 struct module_format*modfmt;
1039 struct module** p;
1040 unsigned i;
1041
1042 TRACE("%s (%p)\n", debugstr_w(module->modulename), module);
1043
1044 /* remove local scope if symbol is from this module */
1045 if (pcs->localscope_symt)
1046 {
1047 struct symt* locsym = pcs->localscope_symt;
1048 if (symt_check_tag(locsym, SymTagInlineSite))
1049 locsym = &symt_get_function_from_inlined((struct symt_function*)locsym)->symt;
1050 if (symt_check_tag(locsym, SymTagFunction))
1051 {
1052 locsym = ((struct symt_function*)locsym)->container;
1053 if (symt_check_tag(locsym, SymTagCompiland) &&
1054 module == ((struct symt_compiland*)locsym)->container->module)
1055 {
1056 pcs->localscope_pc = 0;
1057 pcs->localscope_symt = NULL;
1058 }
1059 }
1060 }
1061 for (i = 0; i < DFI_LAST; i++)
1062 {
1063 if ((modfmt = module->format_info[i]) && modfmt->remove)
1064 modfmt->remove(pcs, module->format_info[i]);
1065 }
1066 hash_table_destroy(&module->ht_symbols);
1067 hash_table_destroy(&module->ht_types);
1068 HeapFree(GetProcessHeap(), 0, module->sources);
1069 HeapFree(GetProcessHeap(), 0, module->addr_sorttab);
1070 HeapFree(GetProcessHeap(), 0, module->real_path);
1071 pool_destroy(&module->pool);
1072 /* native dbghelp doesn't invoke registered callback(,CBA_SYMBOLS_UNLOADED,) here
1073 * so do we
1074 */
1075 for (p = &pcs->lmodules; *p; p = &(*p)->next)
1076 {
1077 if (*p == module)
1078 {
1079 *p = module->next;
1080 HeapFree(GetProcessHeap(), 0, module);
1081 return TRUE;
1082 }
1083 }
1084 FIXME("This shouldn't happen\n");
1085 return FALSE;
1086 }
1087
1088 /******************************************************************
1089 * SymUnloadModule (DBGHELP.@)
1090 *
1091 */
1092 BOOL WINAPI SymUnloadModule(HANDLE hProcess, DWORD BaseOfDll)
1093 {
1094 return SymUnloadModule64(hProcess, BaseOfDll);
1095 }
1096
1097 /******************************************************************
1098 * SymUnloadModule64 (DBGHELP.@)
1099 *
1100 */
1101 BOOL WINAPI SymUnloadModule64(HANDLE hProcess, DWORD64 BaseOfDll)
1102 {
1103 struct process* pcs;
1104 struct module* module;
1105
1106 pcs = process_find_by_handle(hProcess);
1107 if (!pcs) return FALSE;
1108 module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
1109 if (!module) return FALSE;
1110 module_remove(pcs, module);
1111 return TRUE;
1112 }
1113
1114 /******************************************************************
1115 * SymEnumerateModules (DBGHELP.@)
1116 *
1117 */
1118 struct enum_modW64_32
1119 {
1120 PSYM_ENUMMODULES_CALLBACK cb;
1121 PVOID user;
1122 char module[MAX_PATH];
1123 };
1124
1125 static BOOL CALLBACK enum_modW64_32(PCWSTR name, DWORD64 base, PVOID user)
1126 {
1127 struct enum_modW64_32* x = user;
1128
1129 WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
1130 return x->cb(x->module, (DWORD)base, x->user);
1131 }
1132
1133 BOOL WINAPI SymEnumerateModules(HANDLE hProcess,
1134 PSYM_ENUMMODULES_CALLBACK EnumModulesCallback,
1135 PVOID UserContext)
1136 {
1137 struct enum_modW64_32 x;
1138
1139 x.cb = EnumModulesCallback;
1140 x.user = UserContext;
1141
1142 return SymEnumerateModulesW64(hProcess, enum_modW64_32, &x);
1143 }
1144
1145 /******************************************************************
1146 * SymEnumerateModules64 (DBGHELP.@)
1147 *
1148 */
1149 struct enum_modW64_64
1150 {
1151 PSYM_ENUMMODULES_CALLBACK64 cb;
1152 PVOID user;
1153 char module[MAX_PATH];
1154 };
1155
1156 static BOOL CALLBACK enum_modW64_64(PCWSTR name, DWORD64 base, PVOID user)
1157 {
1158 struct enum_modW64_64* x = user;
1159
1160 WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
1161 return x->cb(x->module, base, x->user);
1162 }
1163
1164 BOOL WINAPI SymEnumerateModules64(HANDLE hProcess,
1165 PSYM_ENUMMODULES_CALLBACK64 EnumModulesCallback,
1166 PVOID UserContext)
1167 {
1168 struct enum_modW64_64 x;
1169
1170 x.cb = EnumModulesCallback;
1171 x.user = UserContext;
1172
1173 return SymEnumerateModulesW64(hProcess, enum_modW64_64, &x);
1174 }
1175
1176 /******************************************************************
1177 * SymEnumerateModulesW64 (DBGHELP.@)
1178 *
1179 */
1180 BOOL WINAPI SymEnumerateModulesW64(HANDLE hProcess,
1181 PSYM_ENUMMODULES_CALLBACKW64 EnumModulesCallback,
1182 PVOID UserContext)
1183 {
1184 struct process* pcs = process_find_by_handle(hProcess);
1185 struct module* module;
1186
1187 if (!pcs) return FALSE;
1188
1189 for (module = pcs->lmodules; module; module = module->next)
1190 {
1191 if (!dbghelp_opt_native &&
1192 (module->type == DMT_ELF || module->type == DMT_MACHO))
1193 continue;
1194 if (!EnumModulesCallback(module->modulename,
1195 module->module.BaseOfImage, UserContext))
1196 break;
1197 }
1198 return TRUE;
1199 }
1200
1201 /******************************************************************
1202 * EnumerateLoadedModules64 (DBGHELP.@)
1203 *
1204 */
1205 struct enum_load_modW64_64
1206 {
1207 PENUMLOADED_MODULES_CALLBACK64 cb;
1208 PVOID user;
1209 char module[MAX_PATH];
1210 };
1211
1212 static BOOL CALLBACK enum_load_modW64_64(PCWSTR name, DWORD64 base, ULONG size,
1213 PVOID user)
1214 {
1215 struct enum_load_modW64_64* x = user;
1216
1217 WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
1218 return x->cb(x->module, base, size, x->user);
1219 }
1220
1221 BOOL WINAPI EnumerateLoadedModules64(HANDLE hProcess,
1222 PENUMLOADED_MODULES_CALLBACK64 EnumLoadedModulesCallback,
1223 PVOID UserContext)
1224 {
1225 struct enum_load_modW64_64 x;
1226
1227 x.cb = EnumLoadedModulesCallback;
1228 x.user = UserContext;
1229
1230 return EnumerateLoadedModulesW64(hProcess, enum_load_modW64_64, &x);
1231 }
1232
1233 /******************************************************************
1234 * EnumerateLoadedModules (DBGHELP.@)
1235 *
1236 */
1237 struct enum_load_modW64_32
1238 {
1239 PENUMLOADED_MODULES_CALLBACK cb;
1240 PVOID user;
1241 char module[MAX_PATH];
1242 };
1243
1244 static BOOL CALLBACK enum_load_modW64_32(PCWSTR name, DWORD64 base, ULONG size,
1245 PVOID user)
1246 {
1247 struct enum_load_modW64_32* x = user;
1248 WideCharToMultiByte(CP_ACP, 0, name, -1, x->module, sizeof(x->module), NULL, NULL);
1249 return x->cb(x->module, (DWORD)base, size, x->user);
1250 }
1251
1252 BOOL WINAPI EnumerateLoadedModules(HANDLE hProcess,
1253 PENUMLOADED_MODULES_CALLBACK EnumLoadedModulesCallback,
1254 PVOID UserContext)
1255 {
1256 struct enum_load_modW64_32 x;
1257
1258 x.cb = EnumLoadedModulesCallback;
1259 x.user = UserContext;
1260
1261 return EnumerateLoadedModulesW64(hProcess, enum_load_modW64_32, &x);
1262 }
1263
1264 /******************************************************************
1265 * EnumerateLoadedModulesW64 (DBGHELP.@)
1266 *
1267 */
1268 BOOL WINAPI EnumerateLoadedModulesW64(HANDLE hProcess,
1269 PENUMLOADED_MODULES_CALLBACKW64 EnumLoadedModulesCallback,
1270 PVOID UserContext)
1271 {
1272 HMODULE* hMods;
1273 WCHAR baseW[256], modW[256];
1274 DWORD i, sz;
1275 MODULEINFO mi;
1276 BOOL wow64;
1277 DWORD filter = LIST_MODULES_DEFAULT;
1278
1279 hMods = HeapAlloc(GetProcessHeap(), 0, 256 * sizeof(hMods[0]));
1280 if (!hMods) return FALSE;
1281
1282 if (sizeof(void*) > sizeof(int) &&
1283 IsWow64Process(hProcess, &wow64) &&
1284 wow64)
1285 filter = LIST_MODULES_32BIT;
1286
1287 if (!EnumProcessModulesEx(hProcess, hMods, 256 * sizeof(hMods[0]), &sz, filter))
1288 {
1289 /* hProcess should also be a valid process handle !! */
1290 HeapFree(GetProcessHeap(), 0, hMods);
1291 return FALSE;
1292 }
1293 if (sz > 256 * sizeof(hMods[0]))
1294 {
1295 hMods = HeapReAlloc(GetProcessHeap(), 0, hMods, sz);
1296 if (!hMods || !EnumProcessModulesEx(hProcess, hMods, sz, &sz, filter))
1297 return FALSE;
1298 }
1299 sz /= sizeof(HMODULE);
1300 for (i = 0; i < sz; i++)
1301 {
1302 if (!GetModuleInformation(hProcess, hMods[i], &mi, sizeof(mi)) ||
1303 !GetModuleBaseNameW(hProcess, hMods[i], baseW, ARRAY_SIZE(baseW)))
1304 continue;
1305 module_fill_module(baseW, modW, ARRAY_SIZE(modW));
1306 EnumLoadedModulesCallback(modW, (DWORD_PTR)mi.lpBaseOfDll, mi.SizeOfImage,
1307 UserContext);
1308 }
1309 HeapFree(GetProcessHeap(), 0, hMods);
1310
1311 return sz != 0 && i == sz;
1312 }
1313
1314 static void dbghelp_str_WtoA(const WCHAR *src, char *dst, int dst_len)
1315 {
1316 WideCharToMultiByte(CP_ACP, 0, src, -1, dst, dst_len - 1, NULL, NULL);
1317 dst[dst_len - 1] = 0;
1318 }
1319
1320 /******************************************************************
1321 * SymGetModuleInfo (DBGHELP.@)
1322 *
1323 */
1324 BOOL WINAPI SymGetModuleInfo(HANDLE hProcess, DWORD dwAddr,
1325 PIMAGEHLP_MODULE ModuleInfo)
1326 {
1327 IMAGEHLP_MODULE mi;
1328 IMAGEHLP_MODULEW64 miw64;
1329
1330 if (sizeof(mi) < ModuleInfo->SizeOfStruct) FIXME("Wrong size\n");
1331
1332 miw64.SizeOfStruct = sizeof(miw64);
1333 if (!SymGetModuleInfoW64(hProcess, dwAddr, &miw64)) return FALSE;
1334
1335 mi.SizeOfStruct = ModuleInfo->SizeOfStruct;
1336 mi.BaseOfImage = miw64.BaseOfImage;
1337 mi.ImageSize = miw64.ImageSize;
1338 mi.TimeDateStamp = miw64.TimeDateStamp;
1339 mi.CheckSum = miw64.CheckSum;
1340 mi.NumSyms = miw64.NumSyms;
1341 mi.SymType = miw64.SymType;
1342 dbghelp_str_WtoA(miw64.ModuleName, mi.ModuleName, sizeof(mi.ModuleName));
1343 dbghelp_str_WtoA(miw64.ImageName, mi.ImageName, sizeof(mi.ImageName));
1344 dbghelp_str_WtoA(miw64.LoadedImageName, mi.LoadedImageName, sizeof(mi.LoadedImageName));
1345
1346 memcpy(ModuleInfo, &mi, ModuleInfo->SizeOfStruct);
1347
1348 return TRUE;
1349 }
1350
1351 /******************************************************************
1352 * SymGetModuleInfoW (DBGHELP.@)
1353 *
1354 */
1355 BOOL WINAPI SymGetModuleInfoW(HANDLE hProcess, DWORD dwAddr,
1356 PIMAGEHLP_MODULEW ModuleInfo)
1357 {
1358 IMAGEHLP_MODULEW64 miw64;
1359 IMAGEHLP_MODULEW miw;
1360
1361 if (sizeof(miw) < ModuleInfo->SizeOfStruct) FIXME("Wrong size\n");
1362
1363 miw64.SizeOfStruct = sizeof(miw64);
1364 if (!SymGetModuleInfoW64(hProcess, dwAddr, &miw64)) return FALSE;
1365
1366 miw.SizeOfStruct = ModuleInfo->SizeOfStruct;
1367 miw.BaseOfImage = miw64.BaseOfImage;
1368 miw.ImageSize = miw64.ImageSize;
1369 miw.TimeDateStamp = miw64.TimeDateStamp;
1370 miw.CheckSum = miw64.CheckSum;
1371 miw.NumSyms = miw64.NumSyms;
1372 miw.SymType = miw64.SymType;
1373 lstrcpyW(miw.ModuleName, miw64.ModuleName);
1374 lstrcpyW(miw.ImageName, miw64.ImageName);
1375 lstrcpyW(miw.LoadedImageName, miw64.LoadedImageName);
1376 memcpy(ModuleInfo, &miw, ModuleInfo->SizeOfStruct);
1377
1378 return TRUE;
1379 }
1380
1381 /******************************************************************
1382 * SymGetModuleInfo64 (DBGHELP.@)
1383 *
1384 */
1385 BOOL WINAPI SymGetModuleInfo64(HANDLE hProcess, DWORD64 dwAddr,
1386 PIMAGEHLP_MODULE64 ModuleInfo)
1387 {
1388 IMAGEHLP_MODULE64 mi64;
1389 IMAGEHLP_MODULEW64 miw64;
1390
1391 if (sizeof(mi64) < ModuleInfo->SizeOfStruct)
1392 {
1393 SetLastError(ERROR_MOD_NOT_FOUND); /* NOTE: native returns this error */
1394 WARN("Wrong size %lu\n", ModuleInfo->SizeOfStruct);
1395 return FALSE;
1396 }
1397
1398 miw64.SizeOfStruct = sizeof(miw64);
1399 if (!SymGetModuleInfoW64(hProcess, dwAddr, &miw64)) return FALSE;
1400
1401 mi64.SizeOfStruct = ModuleInfo->SizeOfStruct;
1402 mi64.BaseOfImage = miw64.BaseOfImage;
1403 mi64.ImageSize = miw64.ImageSize;
1404 mi64.TimeDateStamp = miw64.TimeDateStamp;
1405 mi64.CheckSum = miw64.CheckSum;
1406 mi64.NumSyms = miw64.NumSyms;
1407 mi64.SymType = miw64.SymType;
1408 dbghelp_str_WtoA(miw64.ModuleName, mi64.ModuleName, sizeof(mi64.ModuleName));
1409 dbghelp_str_WtoA(miw64.ImageName, mi64.ImageName, sizeof(mi64.ImageName));
1410 dbghelp_str_WtoA(miw64.LoadedImageName, mi64.LoadedImageName, sizeof(mi64.LoadedImageName));
1411 dbghelp_str_WtoA(miw64.LoadedPdbName, mi64.LoadedPdbName, sizeof(mi64.LoadedPdbName));
1412
1413 mi64.CVSig = miw64.CVSig;
1414 dbghelp_str_WtoA(miw64.CVData, mi64.CVData, sizeof(mi64.CVData));
1415 mi64.PdbSig = miw64.PdbSig;
1416 mi64.PdbSig70 = miw64.PdbSig70;
1417 mi64.PdbAge = miw64.PdbAge;
1418 mi64.PdbUnmatched = miw64.PdbUnmatched;
1419 mi64.DbgUnmatched = miw64.DbgUnmatched;
1420 mi64.LineNumbers = miw64.LineNumbers;
1421 mi64.GlobalSymbols = miw64.GlobalSymbols;
1422 mi64.TypeInfo = miw64.TypeInfo;
1423 mi64.SourceIndexed = miw64.SourceIndexed;
1424 mi64.Publics = miw64.Publics;
1425 mi64.MachineType = miw64.MachineType;
1426 mi64.Reserved = miw64.Reserved;
1427
1428 memcpy(ModuleInfo, &mi64, ModuleInfo->SizeOfStruct);
1429
1430 return TRUE;
1431 }
1432
1433 /******************************************************************
1434 * SymGetModuleInfoW64 (DBGHELP.@)
1435 *
1436 */
1437 BOOL WINAPI SymGetModuleInfoW64(HANDLE hProcess, DWORD64 dwAddr,
1438 PIMAGEHLP_MODULEW64 ModuleInfo)
1439 {
1440 struct process* pcs = process_find_by_handle(hProcess);
1441 struct module* module;
1442 IMAGEHLP_MODULEW64 miw64;
1443
1444 TRACE("%p %I64x %p\n", hProcess, dwAddr, ModuleInfo);
1445
1446 if (!pcs) return FALSE;
1447 if (ModuleInfo->SizeOfStruct > sizeof(*ModuleInfo)) return FALSE;
1448 module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
1449 if (!module) return FALSE;
1450
1451 miw64 = module->module;
1452
1453 if (dbghelp_opt_real_path && module->real_path)
1454 lstrcpynW(miw64.LoadedImageName, module->real_path, ARRAY_SIZE(miw64.LoadedImageName));
1455
1456 /* update debug information from container if any */
1457 if (module->module.SymType == SymNone)
1458 {
1459 module = module_get_container(pcs, module);
1460 if (module && module->module.SymType != SymNone)
1461 {
1462 miw64.SymType = module->module.SymType;
1463 miw64.NumSyms = module->module.NumSyms;
1464 }
1465 }
1466 memcpy(ModuleInfo, &miw64, ModuleInfo->SizeOfStruct);
1467 return TRUE;
1468 }
1469
1470 /***********************************************************************
1471 * SymGetModuleBase (DBGHELP.@)
1472 */
1473 DWORD WINAPI SymGetModuleBase(HANDLE hProcess, DWORD dwAddr)
1474 {
1475 return (DWORD)SymGetModuleBase64(hProcess, dwAddr);
1476 }
1477
1478 /***********************************************************************
1479 * SymGetModuleBase64 (DBGHELP.@)
1480 */
1481 DWORD64 WINAPI SymGetModuleBase64(HANDLE hProcess, DWORD64 dwAddr)
1482 {
1483 struct process* pcs = process_find_by_handle(hProcess);
1484 struct module* module;
1485
1486 if (!pcs) return 0;
1487 module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
1488 if (!module) return 0;
1489 return module->module.BaseOfImage;
1490 }
1491
1492 /******************************************************************
1493 * module_reset_debug_info
1494 * Removes any debug information linked to a given module.
1495 */
1496 void module_reset_debug_info(struct module* module)
1497 {
1498 module->sortlist_valid = TRUE;
1499 module->sorttab_size = 0;
1500 module->addr_sorttab = NULL;
1501 module->num_sorttab = module->num_symbols = 0;
1502 hash_table_destroy(&module->ht_symbols);
1503 module->ht_symbols.num_buckets = 0;
1504 module->ht_symbols.buckets = NULL;
1505 hash_table_destroy(&module->ht_types);
1506 module->ht_types.num_buckets = 0;
1507 module->ht_types.buckets = NULL;
1508 module->vtypes.num_elts = 0;
1509 hash_table_destroy(&module->ht_symbols);
1510 module->sources_used = module->sources_alloc = 0;
1511 module->sources = NULL;
1512 }
1513
1514 /******************************************************************
1515 * SymRefreshModuleList (DBGHELP.@)
1516 */
1517 BOOL WINAPI SymRefreshModuleList(HANDLE hProcess)
1518 {
1519 struct process* pcs;
1520
1521 TRACE("(%p)\n", hProcess);
1522
1523 if (!(pcs = process_find_by_handle(hProcess))) return FALSE;
1524
1525 return pcs->loader->synchronize_module_list(pcs);
1526 }
1527
1528 /***********************************************************************
1529 * SymFunctionTableAccess (DBGHELP.@)
1530 */
1531 PVOID WINAPI SymFunctionTableAccess(HANDLE hProcess, DWORD AddrBase)
1532 {
1533 return SymFunctionTableAccess64(hProcess, AddrBase);
1534 }
1535
1536 /***********************************************************************
1537 * SymFunctionTableAccess64 (DBGHELP.@)
1538 */
1539 PVOID WINAPI SymFunctionTableAccess64(HANDLE hProcess, DWORD64 AddrBase)
1540 {
1541 struct process* pcs = process_find_by_handle(hProcess);
1542 struct module* module;
1543
1544 if (!pcs) return NULL;
1545 module = module_find_by_addr(pcs, AddrBase, DMT_UNKNOWN);
1546 if (!module || !module->cpu->find_runtime_function) return NULL;
1547
1548 return module->cpu->find_runtime_function(module, AddrBase);
1549 }
1550
1551 static BOOL native_synchronize_module_list(struct process* pcs)
1552 {
1553 return FALSE;
1554 }
1555
1556 static struct module* native_load_module(struct process* pcs, const WCHAR* name, ULONG_PTR addr)
1557 {
1558 return NULL;
1559 }
1560
1561 static BOOL native_load_debug_info(struct process* process, struct module* module)
1562 {
1563 module->module.SymType = SymNone;
1564 return FALSE;
1565 }
1566
1567 static BOOL native_enum_modules(struct process *process, enum_modules_cb cb, void* user)
1568 {
1569 return FALSE;
1570 }
1571
1572 static BOOL native_fetch_file_info(struct process* process, const WCHAR* name, ULONG_PTR load_addr, DWORD_PTR* base,
1573 DWORD* size, DWORD* checksum)
1574 {
1575 return FALSE;
1576 }
1577
1578 const struct loader_ops no_loader_ops =
1579 {
1580 native_synchronize_module_list,
1581 native_load_module,
1582 native_load_debug_info,
1583 native_enum_modules,
1584 native_fetch_file_info,
1585 };
Windows API implementation