2 * File pe_module.c - handle PE module information
4 * Copyright (C) 1996, Eric Youngdale.
5 * Copyright (C) 1999-2000, Ulrich Weigand.
6 * Copyright (C) 2004-2007, Eric Pouech.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #include "wine/port.h"
32 #include "dbghelp_private.h"
33 #include "image_private.h"
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
41 struct image_file_map fmap;
44 static void* pe_map_full(struct image_file_map* fmap, IMAGE_NT_HEADERS** nth)
46 if (!fmap->u.pe.full_map)
48 fmap->u.pe.full_map = MapViewOfFile(fmap->u.pe.hMap, FILE_MAP_READ, 0, 0, 0);
50 if (fmap->u.pe.full_map)
52 if (nth) *nth = RtlImageNtHeader(fmap->u.pe.full_map);
53 fmap->u.pe.full_count++;
54 return fmap->u.pe.full_map;
59 static void pe_unmap_full(struct image_file_map* fmap)
61 if (fmap->u.pe.full_count && !--fmap->u.pe.full_count)
63 UnmapViewOfFile(fmap->u.pe.full_map);
64 fmap->u.pe.full_map = NULL;
68 /******************************************************************
71 * Maps a single section into memory from an PE file
73 const char* pe_map_section(struct image_section_map* ism)
76 struct pe_file_map* fmap = &ism->fmap->u.pe;
78 if (ism->sidx >= 0 && ism->sidx < fmap->ntheader.FileHeader.NumberOfSections &&
79 fmap->sect[ism->sidx].mapped == IMAGE_NO_MAP)
81 IMAGE_NT_HEADERS* nth;
83 if (fmap->sect[ism->sidx].shdr.Misc.VirtualSize > fmap->sect[ism->sidx].shdr.SizeOfRawData)
85 FIXME("Section %ld: virtual (0x%x) > raw (0x%x) size - not supported\n",
86 ism->sidx, fmap->sect[ism->sidx].shdr.Misc.VirtualSize,
87 fmap->sect[ism->sidx].shdr.SizeOfRawData);
90 /* FIXME: that's rather drastic, but that will do for now
91 * that's ok if the full file map exists, but we could be less aggressive otherwise and
92 * only map the relevant section
94 if ((mapping = pe_map_full(ism->fmap, &nth)))
96 fmap->sect[ism->sidx].mapped = RtlImageRvaToVa(nth, mapping,
97 fmap->sect[ism->sidx].shdr.VirtualAddress,
99 return fmap->sect[ism->sidx].mapped;
105 /******************************************************************
108 * Finds a section by name (and type) into memory from an PE file
109 * or its alternate if any
111 BOOL pe_find_section(struct image_file_map* fmap, const char* name,
112 struct image_section_map* ism)
114 const char* sectname;
116 char tmp[IMAGE_SIZEOF_SHORT_NAME + 1];
118 for (i = 0; i < fmap->u.pe.ntheader.FileHeader.NumberOfSections; i++)
120 sectname = (const char*)fmap->u.pe.sect[i].shdr.Name;
121 /* long section names start with a '/' (at least on MinGW32) */
122 if (sectname[0] == '/' && fmap->u.pe.strtable)
123 sectname = fmap->u.pe.strtable + atoi(sectname + 1);
126 /* the section name may not be null terminated */
127 sectname = memcpy(tmp, sectname, IMAGE_SIZEOF_SHORT_NAME);
128 tmp[IMAGE_SIZEOF_SHORT_NAME] = '\0';
130 if (!strcasecmp(sectname, name))
143 /******************************************************************
146 * Unmaps a single section from memory
148 void pe_unmap_section(struct image_section_map* ism)
150 if (ism->sidx >= 0 && ism->sidx < ism->fmap->u.pe.ntheader.FileHeader.NumberOfSections &&
151 ism->fmap->u.pe.sect[ism->sidx].mapped != IMAGE_NO_MAP)
153 pe_unmap_full(ism->fmap);
154 ism->fmap->u.pe.sect[ism->sidx].mapped = IMAGE_NO_MAP;
158 /******************************************************************
161 * Get the RVA of an PE section
163 DWORD_PTR pe_get_map_rva(const struct image_section_map* ism)
165 if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.pe.ntheader.FileHeader.NumberOfSections)
167 return ism->fmap->u.pe.sect[ism->sidx].shdr.VirtualAddress;
170 /******************************************************************
173 * Get the size of a PE section
175 unsigned pe_get_map_size(const struct image_section_map* ism)
177 if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.pe.ntheader.FileHeader.NumberOfSections)
179 return ism->fmap->u.pe.sect[ism->sidx].shdr.Misc.VirtualSize;
182 /******************************************************************
183 * pe_is_valid_pointer_table
185 * Checks whether the PointerToSymbolTable and NumberOfSymbols in file_header contain
188 static BOOL pe_is_valid_pointer_table(const IMAGE_NT_HEADERS* nthdr, const void* mapping, DWORD64 sz)
192 /* is the iSym table inside file size ? (including first DWORD of string table, which is its size) */
193 offset = (DWORD64)nthdr->FileHeader.PointerToSymbolTable;
194 offset += (DWORD64)nthdr->FileHeader.NumberOfSymbols * sizeof(IMAGE_SYMBOL);
195 if (offset + sizeof(DWORD) > sz) return FALSE;
196 /* is string table (following iSym table) inside file size ? */
197 offset += *(DWORD*)((const char*)mapping + offset);
201 /******************************************************************
204 * Maps an PE file into memory (and checks it's a real PE file)
206 static BOOL pe_map_file(HANDLE file, struct image_file_map* fmap, enum module_type mt)
211 fmap->u.pe.hMap = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
212 if (fmap->u.pe.hMap == 0) return FALSE;
213 fmap->u.pe.full_count = 0;
214 fmap->u.pe.full_map = NULL;
215 if (!(mapping = pe_map_full(fmap, NULL))) goto error;
221 IMAGE_NT_HEADERS* nthdr;
222 IMAGE_SECTION_HEADER* section;
225 if (!(nthdr = RtlImageNtHeader(mapping))) goto error;
226 memcpy(&fmap->u.pe.ntheader, nthdr, sizeof(fmap->u.pe.ntheader));
227 switch (nthdr->OptionalHeader.Magic)
229 case 0x10b: fmap->addr_size = 32; break;
230 case 0x20b: fmap->addr_size = 64; break;
231 default: return FALSE;
233 section = (IMAGE_SECTION_HEADER*)
234 ((char*)&nthdr->OptionalHeader + nthdr->FileHeader.SizeOfOptionalHeader);
235 fmap->u.pe.sect = HeapAlloc(GetProcessHeap(), 0,
236 nthdr->FileHeader.NumberOfSections * sizeof(fmap->u.pe.sect[0]));
237 if (!fmap->u.pe.sect) goto error;
238 for (i = 0; i < nthdr->FileHeader.NumberOfSections; i++)
240 memcpy(&fmap->u.pe.sect[i].shdr, section + i, sizeof(IMAGE_SECTION_HEADER));
241 fmap->u.pe.sect[i].mapped = IMAGE_NO_MAP;
243 if (nthdr->FileHeader.PointerToSymbolTable && nthdr->FileHeader.NumberOfSymbols)
247 if (GetFileSizeEx(file, &li) && pe_is_valid_pointer_table(nthdr, mapping, li.QuadPart))
249 /* FIXME ugly: should rather map the relevant content instead of copying it */
250 const char* src = (const char*)mapping +
251 nthdr->FileHeader.PointerToSymbolTable +
252 nthdr->FileHeader.NumberOfSymbols * sizeof(IMAGE_SYMBOL);
254 DWORD sz = *(DWORD*)src;
256 if ((dst = HeapAlloc(GetProcessHeap(), 0, sz)))
257 memcpy(dst, src, sz);
258 fmap->u.pe.strtable = dst;
262 WARN("Bad coff table... wipping out\n");
263 /* we have bad information here, wipe it out */
264 fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable = 0;
265 fmap->u.pe.ntheader.FileHeader.NumberOfSymbols = 0;
266 fmap->u.pe.strtable = NULL;
269 else fmap->u.pe.strtable = NULL;
272 default: assert(0); goto error;
279 CloseHandle(fmap->u.pe.hMap);
283 /******************************************************************
286 * Unmaps an PE file from memory (previously mapped with pe_map_file)
288 static void pe_unmap_file(struct image_file_map* fmap)
290 if (fmap->u.pe.hMap != 0)
292 struct image_section_map ism;
294 for (ism.sidx = 0; ism.sidx < fmap->u.pe.ntheader.FileHeader.NumberOfSections; ism.sidx++)
296 pe_unmap_section(&ism);
298 while (fmap->u.pe.full_count) pe_unmap_full(fmap);
299 HeapFree(GetProcessHeap(), 0, fmap->u.pe.sect);
300 HeapFree(GetProcessHeap(), 0, (void*)fmap->u.pe.strtable); /* FIXME ugly (see pe_map_file) */
301 CloseHandle(fmap->u.pe.hMap);
302 fmap->u.pe.hMap = NULL;
306 /******************************************************************
309 * Maps a directory content out of a PE file
311 const char* pe_map_directory(struct module* module, int dirno, DWORD* size)
313 IMAGE_NT_HEADERS* nth;
316 if (module->type != DMT_PE || !module->format_info[DFI_PE]) return NULL;
317 if (dirno >= IMAGE_NUMBEROF_DIRECTORY_ENTRIES ||
318 !(mapping = pe_map_full(&module->format_info[DFI_PE]->u.pe_info->fmap, &nth)))
320 if (size) *size = nth->OptionalHeader.DataDirectory[dirno].Size;
321 return RtlImageRvaToVa(nth, mapping,
322 nth->OptionalHeader.DataDirectory[dirno].VirtualAddress, NULL);
325 /******************************************************************
328 * Unmaps a directory content
330 void pe_unmap_directory(struct image_file_map* fmap, int dirno)
335 static void pe_module_remove(struct process* pcs, struct module_format* modfmt)
337 pe_unmap_file(&modfmt->u.pe_info->fmap);
338 HeapFree(GetProcessHeap(), 0, modfmt);
341 /******************************************************************
342 * pe_locate_with_coff_symbol_table
344 * Use the COFF symbol table (if any) from the IMAGE_FILE_HEADER to set the absolute address
346 * Mingw32 requires this for stabs debug information as address for global variables isn't filled in
347 * (this is similar to what is done in elf_module.c when using the .symtab ELF section)
349 static BOOL pe_locate_with_coff_symbol_table(struct module* module)
351 struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
352 const IMAGE_SYMBOL* isym;
356 struct hash_table_iter hti;
358 struct symt_data* sym;
361 numsym = fmap->u.pe.ntheader.FileHeader.NumberOfSymbols;
362 if (!fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable || !numsym)
364 if (!(mapping = pe_map_full(fmap, NULL))) return FALSE;
365 isym = (const IMAGE_SYMBOL*)(mapping + fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable);
367 for (i = 0; i < numsym; i+= naux, isym += naux)
369 if (isym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
370 isym->SectionNumber > 0 && isym->SectionNumber <= fmap->u.pe.ntheader.FileHeader.NumberOfSections)
372 if (isym->N.Name.Short)
374 name = memcpy(tmp, isym->N.ShortName, 8);
377 else name = fmap->u.pe.strtable + isym->N.Name.Long;
378 if (name[0] == '_') name++;
379 hash_table_iter_init(&module->ht_symbols, &hti, name);
380 while ((ptr = hash_table_iter_up(&hti)))
382 sym = GET_ENTRY(ptr, struct symt_data, hash_elt);
383 if (sym->symt.tag == SymTagData &&
384 (sym->kind == DataIsGlobal || sym->kind == DataIsFileStatic) &&
385 sym->u.var.kind == loc_absolute &&
386 !strcmp(sym->hash_elt.name, name))
388 TRACE("Changing absolute address for %d.%s: %lx -> %s\n",
389 isym->SectionNumber, name, sym->u.var.offset,
390 wine_dbgstr_longlong(module->module.BaseOfImage +
391 fmap->u.pe.sect[isym->SectionNumber - 1].shdr.VirtualAddress +
393 sym->u.var.offset = module->module.BaseOfImage +
394 fmap->u.pe.sect[isym->SectionNumber - 1].shdr.VirtualAddress + isym->Value;
399 naux = isym->NumberOfAuxSymbols + 1;
405 /******************************************************************
406 * pe_load_coff_symbol_table
408 * Load public symbols out of the COFF symbol table (if any).
410 static BOOL pe_load_coff_symbol_table(struct module* module)
412 struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
413 const IMAGE_SYMBOL* isym;
415 const char* strtable;
418 const char* lastfilename = NULL;
419 struct symt_compiland* compiland = NULL;
420 const IMAGE_SECTION_HEADER* sect;
423 numsym = fmap->u.pe.ntheader.FileHeader.NumberOfSymbols;
424 if (!fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable || !numsym)
426 if (!(mapping = pe_map_full(fmap, NULL))) return FALSE;
427 isym = (const IMAGE_SYMBOL*)((const char*)mapping + fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable);
428 /* FIXME: no way to get strtable size */
429 strtable = (const char*)&isym[numsym];
430 sect = IMAGE_FIRST_SECTION(RtlImageNtHeader((HMODULE)mapping));
432 for (i = 0; i < numsym; i+= naux, isym += naux)
434 if (isym->StorageClass == IMAGE_SYM_CLASS_FILE)
436 lastfilename = (const char*)(isym + 1);
439 if (isym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
440 isym->SectionNumber > 0 && isym->SectionNumber <= fmap->u.pe.ntheader.FileHeader.NumberOfSections)
442 if (isym->N.Name.Short)
444 name = memcpy(tmp, isym->N.ShortName, 8);
447 else name = strtable + isym->N.Name.Long;
448 if (name[0] == '_') name++;
450 if (!compiland && lastfilename)
451 compiland = symt_new_compiland(module, 0,
452 source_new(module, NULL, lastfilename));
454 if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
455 symt_new_public(module, compiland, name,
456 module->module.BaseOfImage + sect[isym->SectionNumber - 1].VirtualAddress +
460 naux = isym->NumberOfAuxSymbols + 1;
462 module->module.SymType = SymCoff;
463 module->module.LineNumbers = FALSE;
464 module->module.GlobalSymbols = FALSE;
465 module->module.TypeInfo = FALSE;
466 module->module.SourceIndexed = FALSE;
467 module->module.Publics = TRUE;
473 /******************************************************************
476 * look for stabs information in PE header (it's how the mingw compiler provides
477 * its debugging information)
479 static BOOL pe_load_stabs(const struct process* pcs, struct module* module)
481 struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
482 struct image_section_map sect_stabs, sect_stabstr;
485 if (pe_find_section(fmap, ".stab", §_stabs) && pe_find_section(fmap, ".stabstr", §_stabstr))
490 stab = image_map_section(§_stabs);
491 stabstr = image_map_section(§_stabstr);
492 if (stab != IMAGE_NO_MAP && stabstr != IMAGE_NO_MAP)
494 ret = stabs_parse(module,
495 module->module.BaseOfImage - fmap->u.pe.ntheader.OptionalHeader.ImageBase,
496 stab, image_get_map_size(§_stabs),
497 stabstr, image_get_map_size(§_stabstr),
500 image_unmap_section(§_stabs);
501 image_unmap_section(§_stabstr);
502 if (ret) pe_locate_with_coff_symbol_table(module);
504 TRACE("%s the STABS debug info\n", ret ? "successfully loaded" : "failed to load");
509 /******************************************************************
512 * look for dwarf information in PE header (it's also a way for the mingw compiler
513 * to provide its debugging information)
515 static BOOL pe_load_dwarf(struct module* module)
517 struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
520 ret = dwarf2_parse(module,
521 module->module.BaseOfImage - fmap->u.pe.ntheader.OptionalHeader.ImageBase,
522 NULL, /* FIXME: some thunks to deal with ? */
524 TRACE("%s the DWARF debug info\n", ret ? "successfully loaded" : "failed to load");
529 /******************************************************************
534 static BOOL pe_load_dbg_file(const struct process* pcs, struct module* module,
535 const char* dbg_name, DWORD timestamp)
538 HANDLE hFile = INVALID_HANDLE_VALUE, hMap = 0;
539 const BYTE* dbg_mapping = NULL;
542 TRACE("Processing DBG file %s\n", debugstr_a(dbg_name));
544 if (path_find_symbol_file(pcs, dbg_name, NULL, timestamp, 0, tmp, &module->module.DbgUnmatched) &&
545 (hFile = CreateFileA(tmp, GENERIC_READ, FILE_SHARE_READ, NULL,
546 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE &&
547 ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != 0) &&
548 ((dbg_mapping = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) != NULL))
550 const IMAGE_SEPARATE_DEBUG_HEADER* hdr;
551 const IMAGE_SECTION_HEADER* sectp;
552 const IMAGE_DEBUG_DIRECTORY* dbg;
554 hdr = (const IMAGE_SEPARATE_DEBUG_HEADER*)dbg_mapping;
555 /* section headers come immediately after debug header */
556 sectp = (const IMAGE_SECTION_HEADER*)(hdr + 1);
557 /* and after that and the exported names comes the debug directory */
558 dbg = (const IMAGE_DEBUG_DIRECTORY*)
559 (dbg_mapping + sizeof(*hdr) +
560 hdr->NumberOfSections * sizeof(IMAGE_SECTION_HEADER) +
561 hdr->ExportedNamesSize);
563 ret = pe_load_debug_directory(pcs, module, dbg_mapping, sectp,
564 hdr->NumberOfSections, dbg,
565 hdr->DebugDirectorySize / sizeof(*dbg));
568 ERR("Couldn't find .DBG file %s (%s)\n", debugstr_a(dbg_name), debugstr_a(tmp));
570 if (dbg_mapping) UnmapViewOfFile(dbg_mapping);
571 if (hMap) CloseHandle(hMap);
572 if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
576 /******************************************************************
577 * pe_load_msc_debug_info
579 * Process MSC debug information in PE file.
581 static BOOL pe_load_msc_debug_info(const struct process* pcs, struct module* module)
583 struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
585 const IMAGE_DATA_DIRECTORY* dir;
586 const IMAGE_DEBUG_DIRECTORY*dbg = NULL;
589 IMAGE_NT_HEADERS* nth;
591 if (!(mapping = pe_map_full(fmap, &nth))) return FALSE;
592 /* Read in debug directory */
593 dir = nth->OptionalHeader.DataDirectory + IMAGE_DIRECTORY_ENTRY_DEBUG;
594 nDbg = dir->Size / sizeof(IMAGE_DEBUG_DIRECTORY);
595 if (!nDbg) goto done;
597 dbg = RtlImageRvaToVa(nth, mapping, dir->VirtualAddress, NULL);
599 /* Parse debug directory */
600 if (nth->FileHeader.Characteristics & IMAGE_FILE_DEBUG_STRIPPED)
602 /* Debug info is stripped to .DBG file */
603 const IMAGE_DEBUG_MISC* misc = (const IMAGE_DEBUG_MISC*)
604 ((const char*)mapping + dbg->PointerToRawData);
606 if (nDbg != 1 || dbg->Type != IMAGE_DEBUG_TYPE_MISC ||
607 misc->DataType != IMAGE_DEBUG_MISC_EXENAME)
609 ERR("-Debug info stripped, but no .DBG file in module %s\n",
610 debugstr_w(module->module.ModuleName));
614 ret = pe_load_dbg_file(pcs, module, (const char*)misc->Data, nth->FileHeader.TimeDateStamp);
619 const IMAGE_SECTION_HEADER *sectp = (const IMAGE_SECTION_HEADER*)((const char*)&nth->OptionalHeader + nth->FileHeader.SizeOfOptionalHeader);
620 /* Debug info is embedded into PE module */
621 ret = pe_load_debug_directory(pcs, module, mapping, sectp,
622 nth->FileHeader.NumberOfSections, dbg, nDbg);
629 /***********************************************************************
630 * pe_load_export_debug_info
632 static BOOL pe_load_export_debug_info(const struct process* pcs, struct module* module)
634 struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
636 const IMAGE_EXPORT_DIRECTORY* exports;
637 DWORD base = module->module.BaseOfImage;
639 IMAGE_NT_HEADERS* nth;
642 if (dbghelp_options & SYMOPT_NO_PUBLICS) return TRUE;
644 if (!(mapping = pe_map_full(fmap, &nth))) return FALSE;
646 /* Add start of DLL (better use the (yet unimplemented) Exe SymTag for this) */
647 /* FIXME: module.ModuleName isn't correctly set yet if it's passed in SymLoadModule */
648 symt_new_public(module, NULL, module->module.ModuleName, base, 1);
651 /* Add entry point */
652 symt_new_public(module, NULL, "EntryPoint",
653 base + nth->OptionalHeader.AddressOfEntryPoint, 1);
655 /* FIXME: we'd better store addresses linked to sections rather than
657 IMAGE_SECTION_HEADER* section;
658 /* Add start of sections */
659 section = (IMAGE_SECTION_HEADER*)
660 ((char*)&nth->OptionalHeader + nth->FileHeader.SizeOfOptionalHeader);
661 for (i = 0; i < nth->FileHeader.NumberOfSections; i++, section++)
663 symt_new_public(module, NULL, section->Name,
664 RtlImageRvaToVa(nth, mapping, section->VirtualAddress, NULL), 1);
668 /* Add exported functions */
669 if ((exports = RtlImageDirectoryEntryToData(mapping, FALSE,
670 IMAGE_DIRECTORY_ENTRY_EXPORT, &size)))
672 const WORD* ordinals = NULL;
673 const DWORD_PTR* functions = NULL;
674 const DWORD* names = NULL;
678 functions = RtlImageRvaToVa(nth, mapping, exports->AddressOfFunctions, NULL);
679 ordinals = RtlImageRvaToVa(nth, mapping, exports->AddressOfNameOrdinals, NULL);
680 names = RtlImageRvaToVa(nth, mapping, exports->AddressOfNames, NULL);
682 if (functions && ordinals && names)
684 for (i = 0; i < exports->NumberOfNames; i++)
686 if (!names[i]) continue;
687 symt_new_public(module, NULL,
688 RtlImageRvaToVa(nth, mapping, names[i], NULL),
689 base + functions[ordinals[i]], 1);
692 for (i = 0; i < exports->NumberOfFunctions; i++)
694 if (!functions[i]) continue;
695 /* Check if we already added it with a name */
696 for (j = 0; j < exports->NumberOfNames; j++)
697 if ((ordinals[j] == i) && names[j]) break;
698 if (j < exports->NumberOfNames) continue;
699 snprintf(buffer, sizeof(buffer), "%d", i + exports->Base);
700 symt_new_public(module, NULL, buffer, base + (DWORD)functions[i], 1);
704 /* no real debug info, only entry points */
705 if (module->module.SymType == SymDeferred)
706 module->module.SymType = SymExport;
712 /******************************************************************
716 BOOL pe_load_debug_info(const struct process* pcs, struct module* module)
720 if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY))
722 ret = pe_load_stabs(pcs, module);
723 ret = pe_load_dwarf(module) || ret;
724 ret = pe_load_msc_debug_info(pcs, module) || ret;
725 ret = ret || pe_load_coff_symbol_table(module); /* FIXME */
726 /* if we still have no debug info (we could only get SymExport at this
727 * point), then do the SymExport except if we have an ELF container,
728 * in which case we'll rely on the export's on the ELF side
731 /* FIXME shouldn't we check that? if (!module_get_debug(pcs, module)) */
732 if (pe_load_export_debug_info(pcs, module) && !ret)
738 /******************************************************************
739 * pe_load_native_module
742 struct module* pe_load_native_module(struct process* pcs, const WCHAR* name,
743 HANDLE hFile, DWORD64 base, DWORD size)
745 struct module* module = NULL;
747 struct module_format* modfmt;
748 WCHAR loaded_name[MAX_PATH];
750 loaded_name[0] = '\0';
755 if ((hFile = FindExecutableImageExW(name, pcs->search_path, loaded_name, NULL, NULL)) == NULL)
759 else if (name) strcpyW(loaded_name, name);
760 else if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
761 FIXME("Trouble ahead (no module name passed in deferred mode)\n");
762 if (!(modfmt = HeapAlloc(GetProcessHeap(), 0, sizeof(struct module_format) + sizeof(struct pe_module_info))))
764 modfmt->u.pe_info = (struct pe_module_info*)(modfmt + 1);
765 if (pe_map_file(hFile, &modfmt->u.pe_info->fmap, DMT_PE))
767 if (!base) base = modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.ImageBase;
768 if (!size) size = modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.SizeOfImage;
770 module = module_new(pcs, loaded_name, DMT_PE, FALSE, base, size,
771 modfmt->u.pe_info->fmap.u.pe.ntheader.FileHeader.TimeDateStamp,
772 modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.CheckSum);
775 modfmt->module = module;
776 modfmt->remove = pe_module_remove;
777 modfmt->loc_compute = NULL;
779 module->format_info[DFI_PE] = modfmt;
780 if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
781 module->module.SymType = SymDeferred;
783 pe_load_debug_info(pcs, module);
784 module->reloc_delta = base - modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.ImageBase;
788 ERR("could not load the module '%s'\n", debugstr_w(loaded_name));
789 pe_unmap_file(&modfmt->u.pe_info->fmap);
792 if (!module) HeapFree(GetProcessHeap(), 0, modfmt);
794 if (opened) CloseHandle(hFile);
799 /******************************************************************
803 BOOL pe_load_nt_header(HANDLE hProc, DWORD64 base, IMAGE_NT_HEADERS* nth)
805 IMAGE_DOS_HEADER dos;
807 return ReadProcessMemory(hProc, (char*)(DWORD_PTR)base, &dos, sizeof(dos), NULL) &&
808 dos.e_magic == IMAGE_DOS_SIGNATURE &&
809 ReadProcessMemory(hProc, (char*)(DWORD_PTR)(base + dos.e_lfanew),
810 nth, sizeof(*nth), NULL) &&
811 nth->Signature == IMAGE_NT_SIGNATURE;
814 /******************************************************************
815 * pe_load_builtin_module
818 struct module* pe_load_builtin_module(struct process* pcs, const WCHAR* name,
819 DWORD64 base, DWORD64 size)
821 struct module* module = NULL;
823 if (base && pcs->dbg_hdr_addr)
825 IMAGE_NT_HEADERS nth;
827 if (pe_load_nt_header(pcs->handle, base, &nth))
829 if (!size) size = nth.OptionalHeader.SizeOfImage;
830 module = module_new(pcs, name, DMT_PE, FALSE, base, size,
831 nth.FileHeader.TimeDateStamp,
832 nth.OptionalHeader.CheckSum);
838 /***********************************************************************
839 * ImageDirectoryEntryToDataEx (DBGHELP.@)
841 * Search for specified directory in PE image
845 * base [in] Image base address
846 * image [in] TRUE - image has been loaded by loader, FALSE - raw file image
847 * dir [in] Target directory index
848 * size [out] Receives directory size
849 * section [out] Receives pointer to section header of section containing directory data
852 * Success: pointer to directory data
856 PVOID WINAPI ImageDirectoryEntryToDataEx( PVOID base, BOOLEAN image, USHORT dir, PULONG size, PIMAGE_SECTION_HEADER *section )
858 const IMAGE_NT_HEADERS *nt;
862 if (section) *section = NULL;
864 if (!(nt = RtlImageNtHeader( base ))) return NULL;
865 if (dir >= nt->OptionalHeader.NumberOfRvaAndSizes) return NULL;
866 if (!(addr = nt->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
868 *size = nt->OptionalHeader.DataDirectory[dir].Size;
869 if (image || addr < nt->OptionalHeader.SizeOfHeaders) return (char *)base + addr;
871 return RtlImageRvaToVa( nt, base, addr, section );
874 /***********************************************************************
875 * ImageDirectoryEntryToData (DBGHELP.@)
878 * See ImageDirectoryEntryToDataEx
880 PVOID WINAPI ImageDirectoryEntryToData( PVOID base, BOOLEAN image, USHORT dir, PULONG size )
882 return ImageDirectoryEntryToDataEx( base, image, dir, size, NULL );