DbgHelp::~DbgHelp()
{
try
{
boost::mutex::scoped_lock lock(mInstanceMutex);
// Unload all modules loades to free memory
if (!SymEnumerateModules64(unloadModule, this))
{
std::cerr << "~DbgHelp(), SymEnumerateModules64 failed, GetLastError = " << GetLastError();
}
// Let dbgHelp release resources
if(!SymCleanup())
{
std::cerr << "~DbgHelp(), SymCleanup failed, GetLastError = " << GetLastError();
}
// Unload dbgHelp.dll
::FreeLibrary(mDbgHelp);
}
catch(...)
{
// better safe than sorry...
}
}
const bool Symbols::EnumerateAllModulesWithSymbols()
{
const bool bSuccess = BOOLIFY(SymEnumerateModules64(m_hProcess, SymEnumCallback, this));
if (!bSuccess)
{
fprintf(stderr, "Could not enumerate symbols. Error = %X.\n",
GetLastError());
}
return bSuccess;
}
prmap_t *Plmid_to_map(struct ps_prochandle *P, Lmid_t ignored, const char *cname)
{
struct lmid_map_uc uc;
uc.name = cname;
uc.map = NULL;
if ((SymEnumerateModules64(P->phandle, MyEnumerateModulesProc2, &uc) == FALSE)) {
dprintf("SymEnumerateModules64 failed (%d): %x\n", P->pid, GetLastError());
}
return uc.map;
}
int Pobject_iter(struct ps_prochandle *P, proc_map_f *func, void *cd)
{
struct object_iter_uc uc;
uc.f = func;
uc.cd = cd;
uc.proc = P;
if ((SymEnumerateModules64(P->phandle, MyEnumerateModulesProc1, &uc)) == FALSE) {
dprintf("Pobject_iter: SymEnumerateModules64 failed %d: %d\n",
P->pid, GetLastError());
return -1;
}
return 0;
}
BOOL dbg_get_debuggee_info(HANDLE hProcess, IMAGEHLP_MODULE64* imh_mod)
{
struct mod_loader_info mli;
DWORD opt;
/* this will resynchronize builtin dbghelp's internal ELF module list */
SymLoadModule(hProcess, 0, 0, 0, 0, 0);
mli.handle = hProcess;
mli.imh_mod = imh_mod;
imh_mod->SizeOfStruct = sizeof(*imh_mod);
imh_mod->BaseOfImage = 0;
/* this is a wine specific options to return also ELF modules in the
* enumeration
*/
SymSetOptions((opt = SymGetOptions()) | 0x40000000);
SymEnumerateModules64(hProcess, mod_loader_cb, (void*)&mli);
SymSetOptions(opt);
return imh_mod->BaseOfImage != 0;
}
int dbg_help_client_t::init(char* path) {
DWORD64 dwBaseAddr=0;
int chars;
char exe_path[MAX_PATH];
chars = GetModuleFileName(NULL, exe_path, MAX_PATH);
if (chars == 0) {
fprintf(stderr,"Could not find base path for XED executable\n");
fflush(stderr);
exit(1);
}
//fprintf(stderr,"EXE PATH %s\n", exe_path);
char* dir = find_base_path(exe_path);
//fprintf(stderr,"DIR %s\n", dir);
char* dbghelp = append3(dir,"\\","dbghelp.dll");
//fprintf(stderr,"DBGHLP %s\n", dbghelp);
if (_access_s(dbghelp,4) != 0) {
//fprintf(stderr,
// "WARNING: Could not find dbghelp.dll in xed.exe directory\n");
//fflush(stderr);
return 0;
}
//fprintf(stderr,"FOUND DBGHELP\n");
if (validate_version(dbghelp)) {
fprintf(stderr,
"WARNING: dbghelp.dll version is too old\n");
fflush(stderr);
return 0;
}
//FIXME: Add a version check for the dll ( ImagehlpApiVersion is NOT
//the right thing)
SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS);
hProcess = GetCurrentProcess();
if (SymInitialize(hProcess, NULL, FALSE)) {
// nothing
}
else {
error = GetLastError();
fprintf(stderr,"SymInitialize returned error : %d 0x%x\n",
error, error);
fflush(stderr);
return 0;
}
actual_base = SymLoadModuleEx(hProcess, NULL, path, NULL,
dwBaseAddr, 0, NULL, 0);
if (actual_base) {
// nothing
}
else {
error = GetLastError();
fprintf(stderr,"SymLoadModuleEx returned error : %d 0x%x\n",
error, error);
fflush(stderr);
return 0;
}
if (SymEnumerateModules64(hProcess,
(PSYM_ENUMMODULES_CALLBACK64)enum_modules, this)) {
// nothing
}
else {
error = GetLastError();
fprintf(stderr,"SymEnumerateModules64 returned error : %d 0x%x\n",
error, error);
fflush(stderr);
return 0;
}
if (SymEnumSymbols(hProcess, actual_base, 0, enum_sym, this)) {
// nothing
}
else {
error = GetLastError();
fprintf(stderr,"SymEnumSymbols failed: %d 0x%x\n", error, error);
fflush(stderr);
return 0;
}
make_symbol_vector(&sym_tab);
initialized = true;
return 1;
}