// Load and initialize dbghelp.dll. Returns false if failed.
// To simplify callers, it can be called multiple times - it only does the
// work the first time, unless force is true, in which case we re-initialize
// the library (needed in crash dump where we re-initialize dbghelp.dll after
// downloading symbols)
bool Initialize(const WCHAR *symPathW, bool force)
{
if (gSymInitializeOk && !force)
return true;
bool needsCleanup = gSymInitializeOk;
if (!Load())
return false;
if (!_SymInitializeW && !_SymInitialize) {
//plog("dbghelp::Initialize(): SymInitializeW() and SymInitialize() not present in dbghelp.dll");
return false;
}
if (needsCleanup)
_SymCleanup(GetCurrentProcess());
if (_SymInitializeW) {
gSymInitializeOk = _SymInitializeW(GetCurrentProcess(), symPathW, TRUE);
} else {
// SymInitializeW() is not present on some XP systems
char symPathA[MAX_PATH];
if (0 != str::conv::ToCodePageBuf(symPathA, dimof(symPathA), symPathW, CP_ACP))
gSymInitializeOk = _SymInitialize(GetCurrentProcess(), symPathA, TRUE);
}
if (!gSymInitializeOk) {
//plog("dbghelp::Initialize(): _SymInitialize() failed");
return false;
}
DWORD symOptions = _SymGetOptions();
symOptions |= (SYMOPT_LOAD_LINES | SYMOPT_DEFERRED_LOADS | SYMOPT_UNDNAME);
symOptions |= SYMOPT_FAIL_CRITICAL_ERRORS; // don't show system msg box on errors
_SymSetOptions(symOptions);
//SetupSymbolPath();
return true;
}
static void SymCleanup()
{
_SymCleanup(GetCurrentProcess());
}
// The primary exception filter
LONG WINAPI BWAPIExceptionFilter(EXCEPTION_POINTERS *ep)
{
// Destroy fullscreen mode and show the cursor (something the original doesn't do!)
DDrawDestroy();
ShowCursor(TRUE);
// Create the log file path
char szLogFilename[MAX_PATH];
time_t myTime = time(nullptr);
strftime(szLogFilename, sizeof(szLogFilename), "Errors\\%Y %b %d.txt", localtime(&myTime));
// Create the file
FILE *hFile = fopen( (installPath + szLogFilename).c_str(), "a+");
if ( hFile )
{
fprintf(hFile, "\n//////////////////////////////////////////////////\n");
// Print the time
fprintf(hFile, "TIME: %s\n", ctime(&myTime));
// Print version data
WORD w1,w2,w3,w4;
GetCurrentProductVersion(w1, w2, w3, w4);
fprintf(hFile, "VERSION: %hu.%hu.%hu.%hu\n", w1, w2, w3, w4);
// BWAPI/Broodwar specific
fprintf(hFile, "BWAPI:\n");
fprintf(hFile, " REVISION: %d\n", BWAPI::BroodwarImpl.getRevision());
fprintf(hFile, " BUILD: %s\n", BWAPI::BroodwarImpl.isDebug() ? "DEBUG" : "RELEASE");
fprintf(hFile, " ERROR: %s\n", BWAPI::BroodwarImpl.getLastError().c_str());
fprintf(hFile, " LOCATION: %s %s\n", BWAPI::BroodwarImpl.isMultiplayer() ? (BWAPI::BroodwarImpl.isBattleNet() ? "Battle.net" : "Multiplayer") : "Single Player", BWAPI::BroodwarImpl.isReplay() ? "Replay" : "");
if ( BWAPI::BroodwarImpl.isInGame() )
{
fprintf(hFile, "MAP: %s\n %s\n", BWAPI::BroodwarImpl.mapName().c_str(), BWAPI::BroodwarImpl.mapFileName().c_str());
NULLCHECK(BWAPI::BroodwarImpl.self());
NULLCHECK(BWAPI::BroodwarImpl.enemy());
NULLCHECK(BWAPI::BroodwarImpl.neutral());
if ( BWAPI::BroodwarImpl.hAIModule && !BWAPI::BroodwarImpl.client )
fprintf(hFile, "\"Broodwar\" pointer was not initialized for AI module.\n");
if ( BWAPI::BroodwarImpl.hTournamentModule && !BWAPI::BroodwarImpl.tournamentAI )
fprintf(hFile, "\"Broodwar\" pointer was not initialized for Tournament module.\n");
}
// Print the exception info
DWORD dwExceptionCode = ep->ExceptionRecord->ExceptionCode;
fprintf(hFile, "\nEXCEPTION: 0x%08X %s\n", dwExceptionCode, GetExceptionName(dwExceptionCode));
// Store exception address
PVOID pExceptionAddr = ep->ExceptionRecord->ExceptionAddress;
// Print offending module info
fprintf(hFile, "FAULT: 0x%p %s\n", pExceptionAddr, getModuleNameFrom(pExceptionAddr).c_str());
// Print register information
fprintf(hFile, "REGISTERS:\n");
DWORD dwCntxtFlags = ep->ContextRecord->ContextFlags;
if ( dwCntxtFlags & CONTEXT_INTEGER )
fprintf(hFile, " EDI: %08X\n"
" ESI: %08X\n"
" EBX: %08X\n"
" EDX: %08X\n"
" ECX: %08X\n"
" EAX: %08X\n",
ep->ContextRecord->Edi,
ep->ContextRecord->Esi,
ep->ContextRecord->Ebx,
ep->ContextRecord->Edx,
ep->ContextRecord->Ecx,
ep->ContextRecord->Eax);
if ( dwCntxtFlags & CONTEXT_CONTROL )
fprintf(hFile, " EBP: %08X\n"
" EIP: %08X\n"
" ESP: %08X\n",
ep->ContextRecord->Ebp,
ep->ContextRecord->Eip,
ep->ContextRecord->Esp);
// Get the stack frame
STACKFRAME sf = { 0 };
sf.AddrPC.Mode = AddrModeFlat;
sf.AddrPC.Offset = ep->ContextRecord->Eip;
sf.AddrFrame.Mode = AddrModeFlat;
sf.AddrFrame.Offset = ep->ContextRecord->Ebp;
sf.AddrStack.Mode = AddrModeFlat;
sf.AddrStack.Offset = ep->ContextRecord->Esp;
// Create a context record copy
CONTEXT c = *ep->ContextRecord;
// Do the stack trace
fprintf(hFile, "STACK:\n");
// Get frequently used handles
HANDLE hProcess = GetCurrentProcess();
HANDLE hThread = GetCurrentThread();
// Initialize symbols and stuff
if ( _SymInitialize )
{
_SymInitialize(hProcess, NULL, FALSE);
if ( _SymSetOptions )
_SymSetOptions(SYMOPT_ALLOW_ABSOLUTE_SYMBOLS | SYMOPT_AUTO_PUBLICS |
SYMOPT_DEFERRED_LOADS | SYMOPT_FAVOR_COMPRESSED |
SYMOPT_INCLUDE_32BIT_MODULES | SYMOPT_LOAD_ANYTHING |
SYMOPT_LOAD_LINES);
// Load all module symbols
if ( _SymLoadModule )
{
MODULEENTRY32 me32;
me32.dwSize = sizeof(MODULEENTRY32);
HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, GetCurrentProcessId());
if ( Module32First(hSnapshot, &me32) )
{
do
{
_SymLoadModule(hProcess, NULL, me32.szExePath, me32.szModule, (DWORD)me32.modBaseAddr, me32.modBaseSize);
} while( Module32Next(hSnapshot, &me32) );
}
CloseHandle(hSnapshot);
} // if _SymLoadModule is valid
}
// Load custom symbols for Broodwar, etc
std::vector<_customSymbolStore> customSymbols;
std::string symbolMapPath = installPath + "bwapi-data\\data\\Broodwar.map";
FILE *hBWSymbols = fopen(symbolMapPath.c_str(), "r");
if ( hBWSymbols )
{
char szSymbolName[512];
DWORD dwAddress = 0;
DWORD dwSize = 0;
for (;;)
{
int iResult = fscanf(hBWSymbols, "%511s %8x %8x", szSymbolName, &dwAddress, &dwSize);
if ( iResult == EOF || iResult == 0 )
break;
_customSymbolStore sym = { szSymbolName, dwAddress, dwAddress + dwSize };
customSymbols.push_back(sym);
}
fclose(hBWSymbols);
}
/*std::ifstream bwSymbols( installPath + "bwapi-data\\data\\Broodwar.map");
if ( bwSymbols )
{
DWORD dwAddr = 0, dwSize = 0;
std::string symName("");
while ( bwSymbols >> symName >> std::hex >> dwAddr >> dwSize )
{
_customSymbolStore sym = { symName, dwAddr, dwAddr + dwSize };
customSymbols.push_back(sym);
}
bwSymbols.close();
}*/
// Walk, don't run
if ( _StackWalk && _SymFunctionTableAccess && _SymGetModuleBase )
{
while ( _StackWalk(IMAGE_FILE_MACHINE_I386,
hProcess,
hThread,
&sf,
&c,
nullptr,
_SymFunctionTableAccess,
_SymGetModuleBase,
nullptr) )
{
DWORD dwOffset = sf.AddrPC.Offset;
fprintf(hFile, " %-16s 0x%08X ", getModuleNameFrom((LPCVOID)dwOffset).c_str(), dwOffset);
bool foundSomething = false;
if ( dwOffset )
{
// Get the symbol name
IMAGEHLP_SYMBOL_PACKAGE sip = { 0 };
sip.sym.SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
sip.sym.MaxNameLength = MAX_SYM_NAME;
DWORD dwJunk = 0;
if ( _SymInitialize && _SymGetSymFromAddr && _SymGetSymFromAddr(hProcess, dwOffset, &dwJunk, &sip.sym) )
{
fprintf(hFile, "%s", sip.sym.Name);
foundSomething = true;
}
// Get the file name + line
IMAGEHLP_LINE il = { 0 };
il.SizeOfStruct = sizeof(IMAGEHLP_LINE);
dwJunk = 0;
if ( _SymInitialize && _SymGetLineFromAddr && _SymGetLineFromAddr(hProcess, dwOffset, &dwJunk, &il) )
{
fprintf(hFile, "\n %s:%u", il.FileName, il.LineNumber);
foundSomething = true;
}
if ( !foundSomething )
{
// Iterate custom symbols, @TODO: make this a map?
for ( auto i = customSymbols.cbegin(); i != customSymbols.end(); ++i )
{
if ( dwOffset >= i->dwStartAddress && dwOffset < i->dwEndAddress )
{
fprintf(hFile, "%s", i->name.c_str());
foundSomething = true;
break;
}
}
}
}
if ( !foundSomething )
fprintf(hFile, " ----");
fprintf(hFile, "\n");
}
}
// Clean up
if ( _SymInitialize && _SymCleanup )
_SymCleanup(hProcess);
fclose(hFile);
} // ^if hFile
ShowCursor(FALSE);
// Call the previous exception filter
return TopExceptionFilter.DefFilterProc(ep);
}