2 * File module.c - module handling for the wine debugger
4 * Copyright (C) 1993, Eric Youngdale.
5 * 2000-2004, Eric Pouech
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include "dbghelp_private.h"
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
36 static void module_fill_module(const char* in, char* out, unsigned size)
38 const char *ptr,*endptr;
41 endptr = in + strlen(in);
42 for (ptr = endptr - 1;
43 ptr >= in && *ptr != '/' && *ptr != '\\';
46 len = min(endptr-ptr,size-1);
47 memcpy(out, ptr, len);
50 (!strcasecmp(&out[len - 4], ".dll") || !strcasecmp(&out[len - 4], ".exe")))
52 else if (((len > 12 && out[len - 13] == '/') || len == 12) &&
53 (!strcasecmp(out + len - 12, "wine-pthread") ||
54 !strcasecmp(out + len - 12, "wine-kthread")))
55 lstrcpynA(out, "<wine-loader>",size);
59 (!strcasecmp(&out[len - 7], ".dll.so") || !strcasecmp(&out[len - 7], ".exe.so")))
60 strcpy(&out[len - 7], "<elf>");
62 out[len - 7] == '.' && !strcasecmp(&out[len - 3], ".so"))
64 if (len + 3 < size) strcpy(&out[len - 3], "<elf>");
65 else WARN("Buffer too short: %s\n", out);
68 while ((*out = tolower(*out))) out++;
71 /***********************************************************************
72 * Creates and links a new module to a process
74 struct module* module_new(struct process* pcs, const char* name,
75 enum module_type type,
76 unsigned long mod_addr, unsigned long size,
77 unsigned long stamp, unsigned long checksum)
79 struct module* module;
81 assert(type == DMT_ELF || type == DMT_PE);
82 if (!(module = HeapAlloc(GetProcessHeap(), 0, sizeof(*module))))
85 memset(module, 0, sizeof(*module));
87 module->next = pcs->lmodules;
88 pcs->lmodules = module;
90 TRACE("=> %s %08lx-%08lx %s\n",
91 type == DMT_ELF ? "ELF" : (type == DMT_PE ? "PE" : "---"),
92 mod_addr, mod_addr + size, name);
94 pool_init(&module->pool, 65536);
96 module->module.SizeOfStruct = sizeof(module->module);
97 module->module.BaseOfImage = mod_addr;
98 module->module.ImageSize = size;
99 module_fill_module(name, module->module.ModuleName,
100 sizeof(module->module.ModuleName));
101 module->module.ImageName[0] = '\0';
102 lstrcpynA(module->module.LoadedImageName, name, sizeof(module->module.LoadedImageName));
103 module->module.SymType = SymNone;
104 module->module.NumSyms = 0;
105 module->module.TimeDateStamp = stamp;
106 module->module.CheckSum = checksum;
109 module->sortlist_valid = FALSE;
110 module->addr_sorttab = NULL;
111 /* FIXME: this seems a bit too high (on a per module basis)
112 * need some statistics about this
114 hash_table_init(&module->pool, &module->ht_symbols, 4096);
115 hash_table_init(&module->pool, &module->ht_types, 4096);
116 vector_init(&module->vtypes, sizeof(struct symt*), 32);
118 module->sources_used = 0;
119 module->sources_alloc = 0;
125 /***********************************************************************
126 * module_find_by_name
129 struct module* module_find_by_name(const struct process* pcs,
130 const char* name, enum module_type type)
132 struct module* module;
134 if (type == DMT_UNKNOWN)
136 if ((module = module_find_by_name(pcs, name, DMT_PE)) ||
137 (module = module_find_by_name(pcs, name, DMT_ELF)))
142 char modname[MAX_PATH];
144 for (module = pcs->lmodules; module; module = module->next)
146 if (type == module->type &&
147 !strcasecmp(name, module->module.LoadedImageName))
150 module_fill_module(name, modname, sizeof(modname));
151 for (module = pcs->lmodules; module; module = module->next)
153 if (type == module->type &&
154 !strcasecmp(modname, module->module.ModuleName))
158 SetLastError(ERROR_INVALID_NAME);
162 /***********************************************************************
163 * module_get_container
166 struct module* module_get_container(const struct process* pcs,
167 const struct module* inner)
169 struct module* module;
171 for (module = pcs->lmodules; module; module = module->next)
173 if (module != inner &&
174 module->module.BaseOfImage <= inner->module.BaseOfImage &&
175 module->module.BaseOfImage + module->module.ImageSize >=
176 inner->module.BaseOfImage + inner->module.ImageSize)
182 /***********************************************************************
183 * module_get_containee
186 struct module* module_get_containee(const struct process* pcs,
187 const struct module* outter)
189 struct module* module;
191 for (module = pcs->lmodules; module; module = module->next)
193 if (module != outter &&
194 outter->module.BaseOfImage <= module->module.BaseOfImage &&
195 outter->module.BaseOfImage + outter->module.ImageSize >=
196 module->module.BaseOfImage + module->module.ImageSize)
202 /******************************************************************
205 * get the debug information from a module:
206 * - if the module's type is deferred, then force loading of debug info (and return
208 * - if the module has no debug info and has an ELF container, then return the ELF
209 * container (and also force the ELF container's debug info loading if deferred)
210 * - otherwise return the module itself if it has some debug info
212 struct module* module_get_debug(const struct process* pcs, struct module* module)
214 struct module* parent;
216 if (!module) return NULL;
217 /* for a PE builtin, always get info from parent */
218 if ((parent = module_get_container(pcs, module)))
220 /* if deferred, force loading */
221 if (module->module.SymType == SymDeferred)
225 switch (module->type)
227 case DMT_ELF: ret = elf_load_debug_info(module, NULL); break;
228 case DMT_PE: ret = pe_load_debug_info(pcs, module); break;
229 default: ret = FALSE; break;
231 if (!ret) module->module.SymType = SymNone;
232 assert(module->module.SymType != SymDeferred);
234 return (module && module->module.SymType != SymNone) ? module : NULL;
237 /***********************************************************************
238 * module_find_by_addr
240 * either the addr where module is loaded, or any address inside the
243 struct module* module_find_by_addr(const struct process* pcs, unsigned long addr,
244 enum module_type type)
246 struct module* module;
248 if (type == DMT_UNKNOWN)
250 if ((module = module_find_by_addr(pcs, addr, DMT_PE)) ||
251 (module = module_find_by_addr(pcs, addr, DMT_ELF)))
256 for (module = pcs->lmodules; module; module = module->next)
258 if (type == module->type && addr >= module->module.BaseOfImage &&
259 addr < module->module.BaseOfImage + module->module.ImageSize)
263 SetLastError(ERROR_INVALID_ADDRESS);
267 static BOOL module_is_elf_container_loaded(struct process* pcs, const char* ImageName,
268 const char* ModuleName)
270 char buffer[MAX_PATH];
272 struct module* module;
276 module_fill_module(ImageName, buffer, sizeof(buffer));
279 len = strlen(ModuleName);
280 for (module = pcs->lmodules; module; module = module->next)
282 if (!strncasecmp(module->module.ModuleName, ModuleName, len) &&
283 module->type == DMT_ELF &&
284 !strcmp(module->module.ModuleName + len, "<elf>"))
290 /******************************************************************
291 * module_get_type_by_name
293 * Guesses a filename type from its extension
295 enum module_type module_get_type_by_name(const char* name)
298 int len = strlen(name);
300 /* check for terminating .so or .so.[digit] */
301 ptr = strrchr(name, '.');
304 if (!strcmp(ptr, ".so") ||
305 (isdigit(ptr[1]) && !ptr[2] && ptr >= name + 3 && !memcmp(ptr - 3, ".so", 3)))
307 else if (!strcasecmp(ptr, ".pdb"))
310 /* wine-[kp]thread is also an ELF module */
311 else if (((len > 12 && name[len - 13] == '/') || len == 12) &&
312 (!strcasecmp(name + len - 12, "wine-pthread") ||
313 !strcasecmp(name + len - 12, "wine-kthread")))
320 /***********************************************************************
321 * SymLoadModule (DBGHELP.@)
323 DWORD WINAPI SymLoadModule(HANDLE hProcess, HANDLE hFile, char* ImageName,
324 char* ModuleName, DWORD BaseOfDll, DWORD SizeOfDll)
327 struct module* module = NULL;
329 TRACE("(%p %p %s %s %08lx %08lx)\n",
330 hProcess, hFile, debugstr_a(ImageName), debugstr_a(ModuleName),
331 BaseOfDll, SizeOfDll);
333 pcs = process_find_by_handle(hProcess);
334 if (!pcs) return FALSE;
336 /* force transparent ELF loading / unloading */
337 elf_synchronize_module_list(pcs);
339 /* this is a Wine extension to the API just to redo the synchronisation */
340 if (!ImageName && !hFile) return 0;
342 if (module_is_elf_container_loaded(pcs, ImageName, ModuleName))
344 /* force the loading of DLL as builtin */
345 if ((module = pe_load_module_from_pcs(pcs, ImageName, ModuleName,
346 BaseOfDll, SizeOfDll)))
348 WARN("Couldn't locate %s\n", ImageName);
351 TRACE("Assuming %s as native DLL\n", ImageName);
352 if (!(module = pe_load_module(pcs, ImageName, hFile, BaseOfDll, SizeOfDll)))
354 if (module_get_type_by_name(ImageName) == DMT_ELF &&
355 (module = elf_load_module(pcs, ImageName, BaseOfDll)))
357 FIXME("Should have successfully loaded debug information for image %s\n",
359 if ((module = pe_load_module_from_pcs(pcs, ImageName, ModuleName,
360 BaseOfDll, SizeOfDll)))
362 WARN("Couldn't locate %s\n", ImageName);
367 /* by default pe_load_module fills module.ModuleName from a derivation
368 * of ImageName. Overwrite it, if we have better information
371 lstrcpynA(module->module.ModuleName, ModuleName, sizeof(module->module.ModuleName));
372 lstrcpynA(module->module.ImageName, ImageName, sizeof(module->module.ImageName));
374 return module->module.BaseOfImage;
377 /***********************************************************************
378 * SymLoadModule64 (DBGHELP.@)
380 DWORD WINAPI SymLoadModule64(HANDLE hProcess, HANDLE hFile, char* ImageName,
381 char* ModuleName, DWORD64 BaseOfDll, DWORD SizeOfDll)
383 FIXME("SymLoadModule should probably reference SymLoadModule64 instead of this way\n");
385 return SymLoadModule(hProcess, hFile, ImageName, ModuleName, (DWORD)BaseOfDll, SizeOfDll);
388 /******************************************************************
392 BOOL module_remove(struct process* pcs, struct module* module)
396 TRACE("%s (%p)\n", module->module.ModuleName, module);
397 hash_table_destroy(&module->ht_symbols);
398 hash_table_destroy(&module->ht_types);
399 HeapFree(GetProcessHeap(), 0, (char*)module->sources);
400 HeapFree(GetProcessHeap(), 0, module->addr_sorttab);
401 pool_destroy(&module->pool);
403 for (p = &pcs->lmodules; *p; p = &(*p)->next)
408 HeapFree(GetProcessHeap(), 0, module);
412 FIXME("This shouldn't happen\n");
416 /******************************************************************
417 * SymUnloadModule (DBGHELP.@)
420 BOOL WINAPI SymUnloadModule(HANDLE hProcess, DWORD BaseOfDll)
423 struct module* module;
425 pcs = process_find_by_handle(hProcess);
426 if (!pcs) return FALSE;
427 module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
428 if (!module) return FALSE;
429 return module_remove(pcs, module);
432 /******************************************************************
433 * SymEnumerateModules (DBGHELP.@)
436 BOOL WINAPI SymEnumerateModules(HANDLE hProcess,
437 PSYM_ENUMMODULES_CALLBACK EnumModulesCallback,
440 struct process* pcs = process_find_by_handle(hProcess);
441 struct module* module;
443 if (!pcs) return FALSE;
445 for (module = pcs->lmodules; module; module = module->next)
447 if (!(dbghelp_options & SYMOPT_WINE_WITH_ELF_MODULES) && module->type != DMT_PE)
449 if (!EnumModulesCallback(module->module.ModuleName,
450 module->module.BaseOfImage, UserContext))
456 /******************************************************************
457 * EnumerateLoadedModules (DBGHELP.@)
460 BOOL WINAPI EnumerateLoadedModules(HANDLE hProcess,
461 PENUMLOADED_MODULES_CALLBACK EnumLoadedModulesCallback,
465 char base[256], mod[256];
469 hMods = HeapAlloc(GetProcessHeap(), 0, 256 * sizeof(hMods[0]));
470 if (!hMods) return FALSE;
472 if (!EnumProcessModules(hProcess, hMods, 256 * sizeof(hMods[0]), &sz))
474 /* hProcess should also be a valid process handle !! */
475 FIXME("If this happens, bump the number in mod\n");
476 HeapFree(GetProcessHeap(), 0, hMods);
479 sz /= sizeof(HMODULE);
480 for (i = 0; i < sz; i++)
482 if (!GetModuleInformation(hProcess, hMods[i], &mi, sizeof(mi)) ||
483 !GetModuleBaseNameA(hProcess, hMods[i], base, sizeof(base)))
485 module_fill_module(base, mod, sizeof(mod));
486 EnumLoadedModulesCallback(mod, (DWORD)mi.lpBaseOfDll, mi.SizeOfImage,
489 HeapFree(GetProcessHeap(), 0, hMods);
491 return sz != 0 && i == sz;
494 /******************************************************************
495 * SymGetModuleInfo (DBGHELP.@)
498 BOOL WINAPI SymGetModuleInfo(HANDLE hProcess, DWORD dwAddr,
499 PIMAGEHLP_MODULE ModuleInfo)
501 struct process* pcs = process_find_by_handle(hProcess);
502 struct module* module;
504 if (!pcs) return FALSE;
505 if (ModuleInfo->SizeOfStruct < sizeof(*ModuleInfo)) return FALSE;
506 module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
507 if (!module) return FALSE;
509 *ModuleInfo = module->module;
510 if (module->module.SymType == SymNone)
512 module = module_get_container(pcs, module);
513 if (module && module->module.SymType != SymNone)
514 ModuleInfo->SymType = module->module.SymType;
520 /***********************************************************************
521 * SymGetModuleBase (IMAGEHLP.@)
523 DWORD WINAPI SymGetModuleBase(HANDLE hProcess, DWORD dwAddr)
525 struct process* pcs = process_find_by_handle(hProcess);
526 struct module* module;
529 module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
530 if (!module) return 0;
531 return module->module.BaseOfImage;
534 /******************************************************************
535 * module_reset_debug_info
536 * Removes any debug information linked to a given module.
538 void module_reset_debug_info(struct module* module)
540 module->sortlist_valid = TRUE;
541 module->addr_sorttab = NULL;
542 hash_table_destroy(&module->ht_symbols);
543 module->ht_symbols.num_buckets = 0;
544 module->ht_symbols.buckets = NULL;
545 hash_table_destroy(&module->ht_types);
546 module->ht_types.num_buckets = 0;
547 module->ht_types.buckets = NULL;
548 module->vtypes.num_elts = 0;
549 hash_table_destroy(&module->ht_symbols);
550 module->sources_used = module->sources_alloc = 0;
551 module->sources = NULL;