/******************************************************************
* 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;
const IMAGE_SEPARATE_DEBUG_HEADER* hdr;
const IMAGE_DEBUG_DIRECTORY* dbg;
BOOL ret = FALSE;
WINE_TRACE("Processing DBG file %s\n", debugstr_a(dbg_name));
if (SymFindFileInPath(pcs->handle, NULL, dbg_name, NULL, 0, 0, 0, tmp, dbg_match, NULL) &&
(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))
{
hdr = (const IMAGE_SEPARATE_DEBUG_HEADER*)dbg_mapping;
if (hdr->TimeDateStamp != timestamp)
{
WINE_ERR("Warning - %s has incorrect internal timestamp\n",
debugstr_a(dbg_name));
/*
* Well, sometimes this happens to DBG files which ARE REALLY the
* right .DBG files but nonetheless this check fails. Anyway,
* WINDBG (debugger for Windows by Microsoft) loads debug symbols
* which have incorrect timestamps.
*/
}
if (hdr->Signature == IMAGE_SEPARATE_DEBUG_SIGNATURE)
{
/* section headers come immediately after debug header */
const IMAGE_SECTION_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("Wrong signature in .DBG file %s\n", debugstr_a(tmp));
}
else
WINE_ERR("-Unable to peruse .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;
}
/******************************************************************
* 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)
{
WCHAR 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, module, dbg_name, NULL, timestamp, 0, tmp, &module->module.DbgUnmatched) &&
(hFile = CreateFileW(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_w(tmp));
if (dbg_mapping) UnmapViewOfFile(dbg_mapping);
if (hMap) CloseHandle(hMap);
if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
return ret;
}
