/**
* Print stack trace (using a specified stack context) to "os"
*
* @param context CONTEXT record for stack trace
* @param os ostream& to receive printed stack backtrace
*/
void printWindowsStackTrace( CONTEXT& context, std::ostream& os ) {
SimpleMutex::scoped_lock lk(_stackTraceMutex);
HANDLE process = GetCurrentProcess();
BOOL ret = SymInitialize(process, getSymbolSearchPath(process), TRUE);
if ( ret == FALSE ) {
DWORD dosError = GetLastError();
log() << "Stack trace failed, SymInitialize failed with error " <<
std::dec << dosError << std::endl;
return;
}
DWORD options = SymGetOptions();
options |= SYMOPT_LOAD_LINES | SYMOPT_FAIL_CRITICAL_ERRORS;
SymSetOptions( options );
STACKFRAME64 frame64;
memset( &frame64, 0, sizeof(frame64) );
#if defined(_M_AMD64)
DWORD imageType = IMAGE_FILE_MACHINE_AMD64;
frame64.AddrPC.Offset = context.Rip;
frame64.AddrFrame.Offset = context.Rbp;
frame64.AddrStack.Offset = context.Rsp;
#elif defined(_M_IX86)
DWORD imageType = IMAGE_FILE_MACHINE_I386;
frame64.AddrPC.Offset = context.Eip;
frame64.AddrFrame.Offset = context.Ebp;
frame64.AddrStack.Offset = context.Esp;
#else
#error Neither _M_IX86 nor _M_AMD64 were defined
#endif
frame64.AddrPC.Mode = AddrModeFlat;
frame64.AddrFrame.Mode = AddrModeFlat;
frame64.AddrStack.Mode = AddrModeFlat;
const size_t nameSize = 1024;
const size_t symbolBufferSize = sizeof(SYMBOL_INFO) + nameSize;
boost::scoped_array<char> symbolCharBuffer( new char[symbolBufferSize] );
memset( symbolCharBuffer.get(), 0, symbolBufferSize );
SYMBOL_INFO* symbolBuffer = reinterpret_cast<SYMBOL_INFO*>( symbolCharBuffer.get() );
symbolBuffer->SizeOfStruct = sizeof(SYMBOL_INFO);
symbolBuffer->MaxNameLen = nameSize;
// build list
std::vector<TraceItem> traceList;
TraceItem traceItem;
size_t moduleWidth = 0;
size_t sourceWidth = 0;
for ( size_t i = 0; i < maxBackTraceFrames; ++i ) {
ret = StackWalk64( imageType,
process,
GetCurrentThread(),
&frame64,
&context,
NULL,
NULL,
NULL,
NULL );
if ( ret == FALSE || frame64.AddrReturn.Offset == 0 ) {
break;
}
DWORD64 address = frame64.AddrPC.Offset;
getModuleName( process, address, &traceItem.moduleName );
size_t width = traceItem.moduleName.length();
if ( width > moduleWidth ) {
moduleWidth = width;
}
getSourceFileAndLineNumber( process, address, &traceItem.sourceAndLine );
width = traceItem.sourceAndLine.length();
if ( width > sourceWidth ) {
sourceWidth = width;
}
getsymbolAndOffset( process, address, symbolBuffer, &traceItem.symbolAndOffset );
traceList.push_back( traceItem );
}
SymCleanup( process );
// print list
++moduleWidth;
++sourceWidth;
size_t frameCount = traceList.size();
for ( size_t i = 0; i < frameCount; ++i ) {
std::stringstream ss;
ss << traceList[i].moduleName << " ";
size_t width = traceList[i].moduleName.length();
while ( width < moduleWidth ) {
ss << " ";
++width;
}
ss << traceList[i].sourceAndLine << " ";
width = traceList[i].sourceAndLine.length();
while ( width < sourceWidth ) {
ss << " ";
++width;
}
ss << traceList[i].symbolAndOffset;
log() << ss.str() << std::endl;
}
}
/**
* Print stack trace (using a specified stack context) to "os"
*
* @param context CONTEXT record for stack trace
* @param os ostream& to receive printed stack backtrace
*/
void printWindowsStackTrace(CONTEXT& context, std::ostream& os) {
auto& symbolHandler = SymbolHandler::instance();
stdx::lock_guard<SymbolHandler> lk(symbolHandler);
if (!symbolHandler) {
error() << "Stack trace failed, symbol handler returned an invalid handle.";
return;
}
STACKFRAME64 frame64;
memset(&frame64, 0, sizeof(frame64));
#if defined(_M_AMD64)
DWORD imageType = IMAGE_FILE_MACHINE_AMD64;
frame64.AddrPC.Offset = context.Rip;
frame64.AddrFrame.Offset = context.Rbp;
frame64.AddrStack.Offset = context.Rsp;
#elif defined(_M_IX86)
DWORD imageType = IMAGE_FILE_MACHINE_I386;
frame64.AddrPC.Offset = context.Eip;
frame64.AddrFrame.Offset = context.Ebp;
frame64.AddrStack.Offset = context.Esp;
#else
#error Neither _M_IX86 nor _M_AMD64 were defined
#endif
frame64.AddrPC.Mode = AddrModeFlat;
frame64.AddrFrame.Mode = AddrModeFlat;
frame64.AddrStack.Mode = AddrModeFlat;
const size_t nameSize = 1024;
const size_t symbolBufferSize = sizeof(SYMBOL_INFO) + nameSize;
std::unique_ptr<char[]> symbolCharBuffer(new char[symbolBufferSize]);
memset(symbolCharBuffer.get(), 0, symbolBufferSize);
SYMBOL_INFO* symbolBuffer = reinterpret_cast<SYMBOL_INFO*>(symbolCharBuffer.get());
symbolBuffer->SizeOfStruct = sizeof(SYMBOL_INFO);
symbolBuffer->MaxNameLen = nameSize;
// build list
std::vector<TraceItem> traceList;
TraceItem traceItem;
size_t moduleWidth = 0;
size_t sourceWidth = 0;
for (size_t i = 0; i < maxBackTraceFrames; ++i) {
BOOL ret = StackWalk64(imageType,
symbolHandler.getHandle(),
GetCurrentThread(),
&frame64,
&context,
NULL,
NULL,
NULL,
NULL);
if (ret == FALSE || frame64.AddrReturn.Offset == 0) {
break;
}
DWORD64 address = frame64.AddrPC.Offset;
getModuleName(symbolHandler.getHandle(), address, &traceItem.moduleName);
size_t width = traceItem.moduleName.length();
if (width > moduleWidth) {
moduleWidth = width;
}
getSourceFileAndLineNumber(symbolHandler.getHandle(), address, &traceItem.sourceAndLine);
width = traceItem.sourceAndLine.length();
if (width > sourceWidth) {
sourceWidth = width;
}
getsymbolAndOffset(
symbolHandler.getHandle(), address, symbolBuffer, &traceItem.symbolAndOffset);
traceList.push_back(traceItem);
}
// print list
++moduleWidth;
++sourceWidth;
size_t frameCount = traceList.size();
for (size_t i = 0; i < frameCount; ++i) {
std::stringstream ss;
ss << traceList[i].moduleName << " ";
size_t width = traceList[i].moduleName.length();
while (width < moduleWidth) {
ss << " ";
++width;
}
ss << traceList[i].sourceAndLine << " ";
width = traceList[i].sourceAndLine.length();
while (width < sourceWidth) {
ss << " ";
++width;
}
ss << traceList[i].symbolAndOffset;
log() << ss.str();
}
}