+++ /dev/null
-/*
- * File pe_module.c - handle PE module information
- *
- * Copyright (C) 1996, Eric Youngdale.
- * Copyright (C) 1999-2000, Ulrich Weigand.
- * Copyright (C) 2004-2007, Eric Pouech.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- *
- */
-
-#include "dbghelp_private.h"
-
-WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
-
-struct pe_module_info
-{
- struct image_file_map fmap;
-};
-
-static void* pe_map_full(struct image_file_map* fmap, IMAGE_NT_HEADERS** nth)
-{
- if (!fmap->u.pe.full_map)
- {
- fmap->u.pe.full_map = MapViewOfFile(fmap->u.pe.hMap, FILE_MAP_READ, 0, 0, 0);
- }
- if (fmap->u.pe.full_map)
- {
- if (nth) *nth = RtlImageNtHeader(fmap->u.pe.full_map);
- fmap->u.pe.full_count++;
- return fmap->u.pe.full_map;
- }
- return IMAGE_NO_MAP;
-}
-
-static void pe_unmap_full(struct image_file_map* fmap)
-{
- if (fmap->u.pe.full_count && !--fmap->u.pe.full_count)
- {
- UnmapViewOfFile(fmap->u.pe.full_map);
- fmap->u.pe.full_map = NULL;
- }
-}
-
-/******************************************************************
- * pe_map_section
- *
- * Maps a single section into memory from an PE file
- */
-const char* pe_map_section(struct image_section_map* ism)
-{
- void* mapping;
- struct pe_file_map* fmap = &ism->fmap->u.pe;
-
- if (ism->sidx >= 0 && ism->sidx < fmap->ntheader.FileHeader.NumberOfSections &&
- fmap->sect[ism->sidx].mapped == IMAGE_NO_MAP)
- {
- IMAGE_NT_HEADERS* nth;
-
- if (fmap->sect[ism->sidx].shdr.Misc.VirtualSize > fmap->sect[ism->sidx].shdr.SizeOfRawData)
- {
- FIXME("Section %ld: virtual (0x%x) > raw (0x%x) size - not supported\n",
- ism->sidx, fmap->sect[ism->sidx].shdr.Misc.VirtualSize,
- fmap->sect[ism->sidx].shdr.SizeOfRawData);
- return IMAGE_NO_MAP;
- }
- /* FIXME: that's rather drastic, but that will do for now
- * that's ok if the full file map exists, but we could be less aggressive otherwise and
- * only map the relevant section
- */
- if ((mapping = pe_map_full(ism->fmap, &nth)))
- {
- fmap->sect[ism->sidx].mapped = RtlImageRvaToVa(nth, mapping,
- fmap->sect[ism->sidx].shdr.VirtualAddress,
- NULL);
- return fmap->sect[ism->sidx].mapped;
- }
- }
- return IMAGE_NO_MAP;
-}
-
-/******************************************************************
- * pe_find_section
- *
- * Finds a section by name (and type) into memory from an PE file
- * or its alternate if any
- */
-BOOL pe_find_section(struct image_file_map* fmap, const char* name,
- struct image_section_map* ism)
-{
- const char* sectname;
- unsigned i;
- char tmp[IMAGE_SIZEOF_SHORT_NAME + 1];
-
- for (i = 0; i < fmap->u.pe.ntheader.FileHeader.NumberOfSections; i++)
- {
- sectname = (const char*)fmap->u.pe.sect[i].shdr.Name;
- /* long section names start with a '/' (at least on MinGW32) */
- if (sectname[0] == '/' && fmap->u.pe.strtable)
- sectname = fmap->u.pe.strtable + atoi(sectname + 1);
- else
- {
- /* the section name may not be null terminated */
- sectname = memcpy(tmp, sectname, IMAGE_SIZEOF_SHORT_NAME);
- tmp[IMAGE_SIZEOF_SHORT_NAME] = '\0';
- }
- if (!strcasecmp(sectname, name))
- {
- ism->fmap = fmap;
- ism->sidx = i;
- return TRUE;
- }
- }
- ism->fmap = NULL;
- ism->sidx = -1;
-
- return FALSE;
-}
-
-/******************************************************************
- * pe_unmap_section
- *
- * Unmaps a single section from memory
- */
-void pe_unmap_section(struct image_section_map* ism)
-{
- if (ism->sidx >= 0 && ism->sidx < ism->fmap->u.pe.ntheader.FileHeader.NumberOfSections &&
- ism->fmap->u.pe.sect[ism->sidx].mapped != IMAGE_NO_MAP)
- {
- pe_unmap_full(ism->fmap);
- ism->fmap->u.pe.sect[ism->sidx].mapped = IMAGE_NO_MAP;
- }
-}
-
-/******************************************************************
- * pe_get_map_rva
- *
- * Get the RVA of an PE section
- */
-DWORD_PTR pe_get_map_rva(const struct image_section_map* ism)
-{
- if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.pe.ntheader.FileHeader.NumberOfSections)
- return 0;
- return ism->fmap->u.pe.sect[ism->sidx].shdr.VirtualAddress;
-}
-
-/******************************************************************
- * pe_get_map_size
- *
- * Get the size of a PE section
- */
-unsigned pe_get_map_size(const struct image_section_map* ism)
-{
- if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.pe.ntheader.FileHeader.NumberOfSections)
- return 0;
- return ism->fmap->u.pe.sect[ism->sidx].shdr.Misc.VirtualSize;
-}
-
-/******************************************************************
- * pe_is_valid_pointer_table
- *
- * Checks whether the PointerToSymbolTable and NumberOfSymbols in file_header contain
- * valid information.
- */
-static BOOL pe_is_valid_pointer_table(const IMAGE_NT_HEADERS* nthdr, const void* mapping, DWORD64 sz)
-{
- DWORD64 offset;
-
- /* is the iSym table inside file size ? (including first DWORD of string table, which is its size) */
- offset = (DWORD64)nthdr->FileHeader.PointerToSymbolTable;
- offset += (DWORD64)nthdr->FileHeader.NumberOfSymbols * sizeof(IMAGE_SYMBOL);
- if (offset + sizeof(DWORD) > sz) return FALSE;
- /* is string table (following iSym table) inside file size ? */
- offset += *(DWORD*)((const char*)mapping + offset);
- return offset <= sz;
-}
-
-/******************************************************************
- * pe_map_file
- *
- * Maps an PE file into memory (and checks it's a real PE file)
- */
-static BOOL pe_map_file(HANDLE file, struct image_file_map* fmap, enum module_type mt)
-{
- void* mapping;
-
- fmap->modtype = mt;
- fmap->u.pe.hMap = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
- if (fmap->u.pe.hMap == 0) return FALSE;
- fmap->u.pe.full_count = 0;
- fmap->u.pe.full_map = NULL;
- if (!(mapping = pe_map_full(fmap, NULL))) goto error;
-
- switch (mt)
- {
- case DMT_PE:
- {
- IMAGE_NT_HEADERS* nthdr;
- IMAGE_SECTION_HEADER* section;
- unsigned i;
-
- if (!(nthdr = RtlImageNtHeader(mapping))) goto error;
- memcpy(&fmap->u.pe.ntheader, nthdr, sizeof(fmap->u.pe.ntheader));
- switch (nthdr->OptionalHeader.Magic)
- {
- case 0x10b: fmap->addr_size = 32; break;
- case 0x20b: fmap->addr_size = 64; break;
- default: return FALSE;
- }
- section = (IMAGE_SECTION_HEADER*)
- ((char*)&nthdr->OptionalHeader + nthdr->FileHeader.SizeOfOptionalHeader);
- fmap->u.pe.sect = HeapAlloc(GetProcessHeap(), 0,
- nthdr->FileHeader.NumberOfSections * sizeof(fmap->u.pe.sect[0]));
- if (!fmap->u.pe.sect) goto error;
- for (i = 0; i < nthdr->FileHeader.NumberOfSections; i++)
- {
- memcpy(&fmap->u.pe.sect[i].shdr, section + i, sizeof(IMAGE_SECTION_HEADER));
- fmap->u.pe.sect[i].mapped = IMAGE_NO_MAP;
- }
- if (nthdr->FileHeader.PointerToSymbolTable && nthdr->FileHeader.NumberOfSymbols)
- {
- LARGE_INTEGER li;
-
- if (GetFileSizeEx(file, &li) && pe_is_valid_pointer_table(nthdr, mapping, li.QuadPart))
- {
- /* FIXME ugly: should rather map the relevant content instead of copying it */
- const char* src = (const char*)mapping +
- nthdr->FileHeader.PointerToSymbolTable +
- nthdr->FileHeader.NumberOfSymbols * sizeof(IMAGE_SYMBOL);
- char* dst;
- DWORD sz = *(DWORD*)src;
-
- if ((dst = HeapAlloc(GetProcessHeap(), 0, sz)))
- memcpy(dst, src, sz);
- fmap->u.pe.strtable = dst;
- }
- else
- {
- WARN("Bad coff table... wipping out\n");
- /* we have bad information here, wipe it out */
- fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable = 0;
- fmap->u.pe.ntheader.FileHeader.NumberOfSymbols = 0;
- fmap->u.pe.strtable = NULL;
- }
- }
- else fmap->u.pe.strtable = NULL;
- }
- break;
- default: assert(0); goto error;
- }
- pe_unmap_full(fmap);
-
- return TRUE;
-error:
- pe_unmap_full(fmap);
- CloseHandle(fmap->u.pe.hMap);
- return FALSE;
-}
-
-/******************************************************************
- * pe_unmap_file
- *
- * Unmaps an PE file from memory (previously mapped with pe_map_file)
- */
-static void pe_unmap_file(struct image_file_map* fmap)
-{
- if (fmap->u.pe.hMap != 0)
- {
- struct image_section_map ism;
- ism.fmap = fmap;
- for (ism.sidx = 0; ism.sidx < fmap->u.pe.ntheader.FileHeader.NumberOfSections; ism.sidx++)
- {
- pe_unmap_section(&ism);
- }
- while (fmap->u.pe.full_count) pe_unmap_full(fmap);
- HeapFree(GetProcessHeap(), 0, fmap->u.pe.sect);
- HeapFree(GetProcessHeap(), 0, (void*)fmap->u.pe.strtable); /* FIXME ugly (see pe_map_file) */
- CloseHandle(fmap->u.pe.hMap);
- fmap->u.pe.hMap = NULL;
- }
-}
-
-/******************************************************************
- * pe_map_directory
- *
- * Maps a directory content out of a PE file
- */
-const char* pe_map_directory(struct module* module, int dirno, DWORD* size)
-{
- IMAGE_NT_HEADERS* nth;
- void* mapping;
-
- if (module->type != DMT_PE || !module->format_info[DFI_PE]) return NULL;
- if (dirno >= IMAGE_NUMBEROF_DIRECTORY_ENTRIES ||
- !(mapping = pe_map_full(&module->format_info[DFI_PE]->u.pe_info->fmap, &nth)))
- return NULL;
- if (size) *size = nth->OptionalHeader.DataDirectory[dirno].Size;
- return RtlImageRvaToVa(nth, mapping,
- nth->OptionalHeader.DataDirectory[dirno].VirtualAddress, NULL);
-}
-
-static void pe_module_remove(struct process* pcs, struct module_format* modfmt)
-{
- pe_unmap_file(&modfmt->u.pe_info->fmap);
- HeapFree(GetProcessHeap(), 0, modfmt);
-}
-
-/******************************************************************
- * pe_locate_with_coff_symbol_table
- *
- * Use the COFF symbol table (if any) from the IMAGE_FILE_HEADER to set the absolute address
- * of global symbols.
- * Mingw32 requires this for stabs debug information as address for global variables isn't filled in
- * (this is similar to what is done in elf_module.c when using the .symtab ELF section)
- */
-static BOOL pe_locate_with_coff_symbol_table(struct module* module)
-{
- struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
- const IMAGE_SYMBOL* isym;
- int i, numsym, naux;
- char tmp[9];
- const char* name;
- struct hash_table_iter hti;
- void* ptr;
- struct symt_data* sym;
- const char* mapping;
-
- numsym = fmap->u.pe.ntheader.FileHeader.NumberOfSymbols;
- if (!fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable || !numsym)
- return TRUE;
- if (!(mapping = pe_map_full(fmap, NULL))) return FALSE;
- isym = (const IMAGE_SYMBOL*)(mapping + fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable);
-
- for (i = 0; i < numsym; i+= naux, isym += naux)
- {
- if (isym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
- isym->SectionNumber > 0 && isym->SectionNumber <= fmap->u.pe.ntheader.FileHeader.NumberOfSections)
- {
- if (isym->N.Name.Short)
- {
- name = memcpy(tmp, isym->N.ShortName, 8);
- tmp[8] = '\0';
- }
- else name = fmap->u.pe.strtable + isym->N.Name.Long;
- if (name[0] == '_') name++;
- hash_table_iter_init(&module->ht_symbols, &hti, name);
- while ((ptr = hash_table_iter_up(&hti)))
- {
- sym = CONTAINING_RECORD(ptr, struct symt_data, hash_elt);
- if (sym->symt.tag == SymTagData &&
- (sym->kind == DataIsGlobal || sym->kind == DataIsFileStatic) &&
- sym->u.var.kind == loc_absolute &&
- !strcmp(sym->hash_elt.name, name))
- {
- TRACE("Changing absolute address for %d.%s: %lx -> %s\n",
- isym->SectionNumber, name, sym->u.var.offset,
- wine_dbgstr_longlong(module->module.BaseOfImage +
- fmap->u.pe.sect[isym->SectionNumber - 1].shdr.VirtualAddress +
- isym->Value));
- sym->u.var.offset = module->module.BaseOfImage +
- fmap->u.pe.sect[isym->SectionNumber - 1].shdr.VirtualAddress + isym->Value;
- break;
- }
- }
- }
- naux = isym->NumberOfAuxSymbols + 1;
- }
- pe_unmap_full(fmap);
- return TRUE;
-}
-
-/******************************************************************
- * pe_load_coff_symbol_table
- *
- * Load public symbols out of the COFF symbol table (if any).
- */
-static BOOL pe_load_coff_symbol_table(struct module* module)
-{
- struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
- const IMAGE_SYMBOL* isym;
- int i, numsym, naux;
- const char* strtable;
- char tmp[9];
- const char* name;
- const char* lastfilename = NULL;
- struct symt_compiland* compiland = NULL;
- const IMAGE_SECTION_HEADER* sect;
- const char* mapping;
-
- numsym = fmap->u.pe.ntheader.FileHeader.NumberOfSymbols;
- if (!fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable || !numsym)
- return TRUE;
- if (!(mapping = pe_map_full(fmap, NULL))) return FALSE;
- isym = (const IMAGE_SYMBOL*)((const char*)mapping + fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable);
- /* FIXME: no way to get strtable size */
- strtable = (const char*)&isym[numsym];
- sect = IMAGE_FIRST_SECTION(RtlImageNtHeader((HMODULE)mapping));
-
- for (i = 0; i < numsym; i+= naux, isym += naux)
- {
- if (isym->StorageClass == IMAGE_SYM_CLASS_FILE)
- {
- lastfilename = (const char*)(isym + 1);
- compiland = NULL;
- }
- if (isym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
- isym->SectionNumber > 0 && isym->SectionNumber <= fmap->u.pe.ntheader.FileHeader.NumberOfSections)
- {
- if (isym->N.Name.Short)
- {
- name = memcpy(tmp, isym->N.ShortName, 8);
- tmp[8] = '\0';
- }
- else name = strtable + isym->N.Name.Long;
- if (name[0] == '_') name++;
-
- if (!compiland && lastfilename)
- compiland = symt_new_compiland(module, 0,
- source_new(module, NULL, lastfilename));
-
- if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
- symt_new_public(module, compiland, name,
- module->module.BaseOfImage + sect[isym->SectionNumber - 1].VirtualAddress +
- isym->Value,
- 1);
- }
- naux = isym->NumberOfAuxSymbols + 1;
- }
- module->module.SymType = SymCoff;
- module->module.LineNumbers = FALSE;
- module->module.GlobalSymbols = FALSE;
- module->module.TypeInfo = FALSE;
- module->module.SourceIndexed = FALSE;
- module->module.Publics = TRUE;
- pe_unmap_full(fmap);
-
- return TRUE;
-}
-
-/******************************************************************
- * pe_load_stabs
- *
- * look for stabs information in PE header (it's how the mingw compiler provides
- * its debugging information)
- */
-static BOOL pe_load_stabs(const struct process* pcs, struct module* module)
-{
- struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
- struct image_section_map sect_stabs, sect_stabstr;
- BOOL ret = FALSE;
-
- if (pe_find_section(fmap, ".stab", §_stabs) && pe_find_section(fmap, ".stabstr", §_stabstr))
- {
- const char* stab;
- const char* stabstr;
-
- stab = image_map_section(§_stabs);
- stabstr = image_map_section(§_stabstr);
- if (stab != IMAGE_NO_MAP && stabstr != IMAGE_NO_MAP)
- {
- ret = stabs_parse(module,
- module->module.BaseOfImage - fmap->u.pe.ntheader.OptionalHeader.ImageBase,
- stab, image_get_map_size(§_stabs),
- stabstr, image_get_map_size(§_stabstr),
- NULL, NULL);
- }
- image_unmap_section(§_stabs);
- image_unmap_section(§_stabstr);
- if (ret) pe_locate_with_coff_symbol_table(module);
- }
- TRACE("%s the STABS debug info\n", ret ? "successfully loaded" : "failed to load");
-
- return ret;
-}
-
-/******************************************************************
- * pe_load_dwarf
- *
- * look for dwarf information in PE header (it's also a way for the mingw compiler
- * to provide its debugging information)
- */
-static BOOL pe_load_dwarf(struct module* module)
-{
- struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
- BOOL ret;
-
- ret = dwarf2_parse(module,
- module->module.BaseOfImage - fmap->u.pe.ntheader.OptionalHeader.ImageBase,
- NULL, /* FIXME: some thunks to deal with ? */
- fmap);
- TRACE("%s the DWARF debug info\n", ret ? "successfully loaded" : "failed to load");
-
- return ret;
-}
-
-#ifndef DBGHELP_STATIC_LIB
-/******************************************************************
- * pe_load_rsym
- *
- * look for ReactOS's own rsym format
- */
-static BOOL pe_load_rsym(struct module* module)
-{
- struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
- struct image_section_map sect_rsym;
- BOOL ret = FALSE;
-
- if (pe_find_section(fmap, ".rossym", §_rsym))
- {
- const char* rsym = image_map_section(§_rsym);
- if (rsym != IMAGE_NO_MAP)
- {
- ret = rsym_parse(module, module->module.BaseOfImage,
- rsym, image_get_map_size(§_rsym));
- }
- image_unmap_section(§_rsym);
- }
- TRACE("%s the RSYM debug info\n", ret ? "successfully loaded" : "failed to load");
-
- return ret;
-}
-
-/******************************************************************
- * pe_load_dbg_file
- *
- * loads a .dbg file
- */
-static BOOL pe_load_dbg_file(const struct process* pcs, struct module* module,
- const char* dbg_name, DWORD timestamp)
-{
- char tmp[MAX_PATH];
- HANDLE hFile = INVALID_HANDLE_VALUE, hMap = 0;
- const BYTE* dbg_mapping = NULL;
- BOOL ret = FALSE;
-
- TRACE("Processing DBG file %s\n", debugstr_a(dbg_name));
-
- if (path_find_symbol_file(pcs, dbg_name, NULL, timestamp, 0, tmp, &module->module.DbgUnmatched) &&
- (hFile = CreateFileA(tmp, GENERIC_READ, FILE_SHARE_READ, NULL,
- OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE &&
- ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != 0) &&
- ((dbg_mapping = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) != NULL))
- {
- const IMAGE_SEPARATE_DEBUG_HEADER* hdr;
- const IMAGE_SECTION_HEADER* sectp;
- const IMAGE_DEBUG_DIRECTORY* dbg;
-
- hdr = (const IMAGE_SEPARATE_DEBUG_HEADER*)dbg_mapping;
- /* section headers come immediately after debug header */
- sectp = (const IMAGE_SECTION_HEADER*)(hdr + 1);
- /* and after that and the exported names comes the debug directory */
- dbg = (const IMAGE_DEBUG_DIRECTORY*)
- (dbg_mapping + sizeof(*hdr) +
- hdr->NumberOfSections * sizeof(IMAGE_SECTION_HEADER) +
- hdr->ExportedNamesSize);
-
- ret = pe_load_debug_directory(pcs, module, dbg_mapping, sectp,
- hdr->NumberOfSections, dbg,
- hdr->DebugDirectorySize / sizeof(*dbg));
- }
- else
- ERR("Couldn't find .DBG file %s (%s)\n", debugstr_a(dbg_name), debugstr_a(tmp));
-
- if (dbg_mapping) UnmapViewOfFile(dbg_mapping);
- if (hMap) CloseHandle(hMap);
- if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
- return ret;
-}
-
-/******************************************************************
- * pe_load_msc_debug_info
- *
- * Process MSC debug information in PE file.
- */
-static BOOL pe_load_msc_debug_info(const struct process* pcs, struct module* module)
-{
- struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
- BOOL ret = FALSE;
- const IMAGE_DATA_DIRECTORY* dir;
- const IMAGE_DEBUG_DIRECTORY*dbg = NULL;
- int nDbg;
- void* mapping;
- IMAGE_NT_HEADERS* nth;
-
- if (!(mapping = pe_map_full(fmap, &nth))) return FALSE;
- /* Read in debug directory */
- dir = nth->OptionalHeader.DataDirectory + IMAGE_DIRECTORY_ENTRY_DEBUG;
- nDbg = dir->Size / sizeof(IMAGE_DEBUG_DIRECTORY);
- if (!nDbg) goto done;
-
- dbg = RtlImageRvaToVa(nth, mapping, dir->VirtualAddress, NULL);
-
- /* Parse debug directory */
- if (nth->FileHeader.Characteristics & IMAGE_FILE_DEBUG_STRIPPED)
- {
- /* Debug info is stripped to .DBG file */
- const IMAGE_DEBUG_MISC* misc = (const IMAGE_DEBUG_MISC*)
- ((const char*)mapping + dbg->PointerToRawData);
-
- if (nDbg != 1 || dbg->Type != IMAGE_DEBUG_TYPE_MISC ||
- misc->DataType != IMAGE_DEBUG_MISC_EXENAME)
- {
- ERR("-Debug info stripped, but no .DBG file in module %s\n",
- debugstr_w(module->module.ModuleName));
- }
- else
- {
- ret = pe_load_dbg_file(pcs, module, (const char*)misc->Data, nth->FileHeader.TimeDateStamp);
- }
- }
- else
- {
- const IMAGE_SECTION_HEADER *sectp = (const IMAGE_SECTION_HEADER*)((const char*)&nth->OptionalHeader + nth->FileHeader.SizeOfOptionalHeader);
- /* Debug info is embedded into PE module */
- ret = pe_load_debug_directory(pcs, module, mapping, sectp,
- nth->FileHeader.NumberOfSections, dbg, nDbg);
- }
-done:
- pe_unmap_full(fmap);
- return ret;
-}
-#endif /* DBGHELP_STATIC_LIB */
-
-/***********************************************************************
- * pe_load_export_debug_info
- */
-static BOOL pe_load_export_debug_info(const struct process* pcs, struct module* module)
-{
- struct image_file_map* fmap = &module->format_info[DFI_PE]->u.pe_info->fmap;
- unsigned int i;
- const IMAGE_EXPORT_DIRECTORY* exports;
- DWORD base = module->module.BaseOfImage;
- DWORD size;
- IMAGE_NT_HEADERS* nth;
- void* mapping;
-
- if (dbghelp_options & SYMOPT_NO_PUBLICS) return TRUE;
-
- if (!(mapping = pe_map_full(fmap, &nth))) return FALSE;
-#if 0
- /* Add start of DLL (better use the (yet unimplemented) Exe SymTag for this) */
- /* FIXME: module.ModuleName isn't correctly set yet if it's passed in SymLoadModule */
- symt_new_public(module, NULL, module->module.ModuleName, base, 1);
-#endif
-
- /* Add entry point */
- symt_new_public(module, NULL, "EntryPoint",
- base + nth->OptionalHeader.AddressOfEntryPoint, 1);
-#if 0
- /* FIXME: we'd better store addresses linked to sections rather than
- absolute values */
- IMAGE_SECTION_HEADER* section;
- /* Add start of sections */
- section = (IMAGE_SECTION_HEADER*)
- ((char*)&nth->OptionalHeader + nth->FileHeader.SizeOfOptionalHeader);
- for (i = 0; i < nth->FileHeader.NumberOfSections; i++, section++)
- {
- symt_new_public(module, NULL, section->Name,
- RtlImageRvaToVa(nth, mapping, section->VirtualAddress, NULL), 1);
- }
-#endif
-
- /* Add exported functions */
- if ((exports = RtlImageDirectoryEntryToData(mapping, FALSE,
- IMAGE_DIRECTORY_ENTRY_EXPORT, &size)))
- {
- const WORD* ordinals = NULL;
- const DWORD_PTR* functions = NULL;
- const DWORD* names = NULL;
- unsigned int j;
- char buffer[16];
-
- functions = RtlImageRvaToVa(nth, mapping, exports->AddressOfFunctions, NULL);
- ordinals = RtlImageRvaToVa(nth, mapping, exports->AddressOfNameOrdinals, NULL);
- names = RtlImageRvaToVa(nth, mapping, exports->AddressOfNames, NULL);
-
- if (functions && ordinals && names)
- {
- for (i = 0; i < exports->NumberOfNames; i++)
- {
- if (!names[i]) continue;
- symt_new_public(module, NULL,
- RtlImageRvaToVa(nth, mapping, names[i], NULL),
- base + functions[ordinals[i]], 1);
- }
-
- for (i = 0; i < exports->NumberOfFunctions; i++)
- {
- if (!functions[i]) continue;
- /* Check if we already added it with a name */
- for (j = 0; j < exports->NumberOfNames; j++)
- if ((ordinals[j] == i) && names[j]) break;
- if (j < exports->NumberOfNames) continue;
- snprintf(buffer, sizeof(buffer), "%d", i + exports->Base);
- symt_new_public(module, NULL, buffer, base + (DWORD)functions[i], 1);
- }
- }
- }
- /* no real debug info, only entry points */
- if (module->module.SymType == SymDeferred)
- module->module.SymType = SymExport;
- pe_unmap_full(fmap);
-
- return TRUE;
-}
-
-/******************************************************************
- * pe_load_debug_info
- *
- */
-BOOL pe_load_debug_info(const struct process* pcs, struct module* module)
-{
- BOOL ret = FALSE;
-
- if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY))
- {
- ret = pe_load_stabs(pcs, module);
- ret = pe_load_dwarf(module) || ret;
- #ifndef DBGHELP_STATIC_LIB
- ret = pe_load_msc_debug_info(pcs, module) || ret;
- ret = pe_load_rsym(module) || ret;
- #endif
-
- ret = ret || pe_load_coff_symbol_table(module); /* FIXME */
- /* if we still have no debug info (we could only get SymExport at this
- * point), then do the SymExport except if we have an ELF container,
- * in which case we'll rely on the export's on the ELF side
- */
- }
- /* FIXME shouldn't we check that? if (!module_get_debug(pcs, module)) */
- if (pe_load_export_debug_info(pcs, module) && !ret)
- ret = TRUE;
-
- return ret;
-}
-
-/******************************************************************
- * pe_load_native_module
- *
- */
-struct module* pe_load_native_module(struct process* pcs, const WCHAR* name,
- HANDLE hFile, DWORD64 base, DWORD size)
-{
- struct module* module = NULL;
- BOOL opened = FALSE;
- struct module_format* modfmt;
- WCHAR loaded_name[MAX_PATH];
-
- loaded_name[0] = '\0';
- if (!hFile)
- {
- assert(name);
-
- if ((hFile = FindExecutableImageExW(name, pcs->search_path, loaded_name, NULL, NULL)) == NULL)
- return NULL;
- opened = TRUE;
- }
- else if (name) strcpyW(loaded_name, name);
- else if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
- FIXME("Trouble ahead (no module name passed in deferred mode)\n");
- if (!(modfmt = HeapAlloc(GetProcessHeap(), 0, sizeof(struct module_format) + sizeof(struct pe_module_info))))
- return NULL;
- modfmt->u.pe_info = (struct pe_module_info*)(modfmt + 1);
- if (pe_map_file(hFile, &modfmt->u.pe_info->fmap, DMT_PE))
- {
- if (!base) base = modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.ImageBase;
- if (!size) size = modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.SizeOfImage;
-
- module = module_new(pcs, loaded_name, DMT_PE, FALSE, base, size,
- modfmt->u.pe_info->fmap.u.pe.ntheader.FileHeader.TimeDateStamp,
- modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.CheckSum);
- if (module)
- {
- modfmt->module = module;
- modfmt->remove = pe_module_remove;
- modfmt->loc_compute = NULL;
-
- module->format_info[DFI_PE] = modfmt;
- if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
- module->module.SymType = SymDeferred;
- else
- pe_load_debug_info(pcs, module);
- module->reloc_delta = base - modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.ImageBase;
- }
- else
- {
- ERR("could not load the module '%s'\n", debugstr_w(loaded_name));
- pe_unmap_file(&modfmt->u.pe_info->fmap);
- }
- }
- if (!module) HeapFree(GetProcessHeap(), 0, modfmt);
-
- if (opened) CloseHandle(hFile);
-
- return module;
-}
-
-/******************************************************************
- * pe_load_nt_header
- *
- */
-BOOL pe_load_nt_header(HANDLE hProc, DWORD64 base, IMAGE_NT_HEADERS* nth)
-{
- IMAGE_DOS_HEADER dos;
-
- return ReadProcessMemory(hProc, (char*)(DWORD_PTR)base, &dos, sizeof(dos), NULL) &&
- dos.e_magic == IMAGE_DOS_SIGNATURE &&
- ReadProcessMemory(hProc, (char*)(DWORD_PTR)(base + dos.e_lfanew),
- nth, sizeof(*nth), NULL) &&
- nth->Signature == IMAGE_NT_SIGNATURE;
-}
-
-/******************************************************************
- * pe_load_builtin_module
- *
- */
-struct module* pe_load_builtin_module(struct process* pcs, const WCHAR* name,
- DWORD64 base, DWORD64 size)
-{
- struct module* module = NULL;
-
- if (base && pcs->dbg_hdr_addr)
- {
- IMAGE_NT_HEADERS nth;
-
- if (pe_load_nt_header(pcs->handle, base, &nth))
- {
- if (!size) size = nth.OptionalHeader.SizeOfImage;
- module = module_new(pcs, name, DMT_PE, FALSE, base, size,
- nth.FileHeader.TimeDateStamp,
- nth.OptionalHeader.CheckSum);
- }
- }
- return module;
-}
-
-/***********************************************************************
- * ImageDirectoryEntryToDataEx (DBGHELP.@)
- *
- * Search for specified directory in PE image
- *
- * PARAMS
- *
- * base [in] Image base address
- * image [in] TRUE - image has been loaded by loader, FALSE - raw file image
- * dir [in] Target directory index
- * size [out] Receives directory size
- * section [out] Receives pointer to section header of section containing directory data
- *
- * RETURNS
- * Success: pointer to directory data
- * Failure: NULL
- *
- */
-PVOID WINAPI ImageDirectoryEntryToDataEx( PVOID base, BOOLEAN image, USHORT dir, PULONG size, PIMAGE_SECTION_HEADER *section )
-{
- const IMAGE_NT_HEADERS *nt;
- DWORD addr;
-
- *size = 0;
- if (section) *section = NULL;
-
- if (!(nt = RtlImageNtHeader( base ))) return NULL;
- if (dir >= nt->OptionalHeader.NumberOfRvaAndSizes) return NULL;
- if (!(addr = nt->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
-
- *size = nt->OptionalHeader.DataDirectory[dir].Size;
- if (image || addr < nt->OptionalHeader.SizeOfHeaders) return (char *)base + addr;
-
- return RtlImageRvaToVa( nt, base, addr, section );
-}
-
-/***********************************************************************
- * ImageDirectoryEntryToData (DBGHELP.@)
- *
- * NOTES
- * See ImageDirectoryEntryToDataEx
- */
-PVOID WINAPI ImageDirectoryEntryToData( PVOID base, BOOLEAN image, USHORT dir, PULONG size )
-{
- return ImageDirectoryEntryToDataEx( base, image, dir, size, NULL );
-}
projects / reactos.git / blobdiff