void DtoDeclareTypeInfo(TypeInfoDeclaration* tid)
{
DtoResolveTypeInfo(tid);
if (tid->ir.declared) return;
tid->ir.declared = true;
Logger::println("DtoDeclareTypeInfo(%s)", tid->toChars());
LOG_SCOPE;
if (Logger::enabled())
{
std::string mangled(tid->mangle());
Logger::println("type = '%s'", tid->tinfo->toChars());
Logger::println("typeinfo mangle: %s", mangled.c_str());
}
IrGlobal* irg = tid->ir.irGlobal;
assert(irg->value != NULL);
// this is a declaration of a builtin __initZ var
if (tid->tinfo->builtinTypeInfo()) {
LLGlobalVariable* g = isaGlobalVar(irg->value);
g->setLinkage(llvm::GlobalValue::ExternalLinkage);
return;
}
// define custom typedef
tid->llvmDefine();
}
void DebugHelper::backtrace_msg()
{
void ** traceBuffer = new void*[MAX_DEPTH];
uint32 depth = backtrace( traceBuffer, MAX_DEPTH );
char ** traceStringBuffer = backtrace_symbols( traceBuffer, depth );
for (uint32 i = 0; i < depth; i++)
{
// Format: <executable path>(<mangled-function-name>+<function
// instruction offset>) [<eip>]
std::string functionName;
std::string traceString( traceStringBuffer[i] );
std::string::size_type begin = traceString.find( '(' );
bool gotFunctionName = (begin >= 0);
if (gotFunctionName)
{
// Skip the round bracket start.
++begin;
std::string::size_type bracketEnd = traceString.find( ')', begin );
std::string::size_type end = traceString.rfind( '+', bracketEnd );
std::string mangled( traceString.substr( begin, end - begin ) );
int status = 0;
size_t demangledBufferLength = 0;
char * demangledBuffer = abi::__cxa_demangle( mangled.c_str(), 0,
&demangledBufferLength, &status );
if (demangledBuffer)
{
functionName.assign( demangledBuffer, demangledBufferLength );
// __cxa_demangle allocates the memory for the demangled
// output using malloc(), we need to free it.
free( demangledBuffer );
}
else
{
// Didn't demangle, but we did get a function name, use that.
functionName = mangled;
}
}
std::string ss = (boost::format("Stack: #%1% %2%\n") %
i %
((gotFunctionName) ? functionName.c_str() : traceString.c_str())).str();
#ifdef NO_USE_LOG4CXX
#else
LOG4CXX_INFO(g_logger, ss);
#endif
onMessage(KBELOG_PRINT, ss.c_str(), ss.size());
}
free(traceStringBuffer);
delete[] traceBuffer;
}
std::string decode( char *message)
{
std::string msg(message);
std::string res(message);
std::string::size_type popen = msg.find('(');
if ( popen != std::string::npos )
{
std::string::size_type plus = msg.find('+');
res = std::string(message,popen+1) + " ";
std::string mangled( message, popen+1, plus -popen -1 );
res += demangle(mangled) + " ";
res += std::string( message + plus, message + strlen(message) );
}
return res;
}
void StackTraceUtils::Impl::getSymbolName(
StackTraceHandler &handler, char8_t *rawSymbol) {
do {
char8_t *left = strchr(rawSymbol, '(');
if (left == NULL) {
break;
}
left++;
char8_t *right = strchr(left, '+');
if (right == NULL) {
break;
}
char8_t mangledBuf[128];
detail::LocalString mangled(mangledBuf, sizeof(mangledBuf));
mangled.tryAppend(left, right);
int status = 0;
char8_t *demangled =
abi::__cxa_demangle(mangled.tryGet(), 0, 0, &status);
if (demangled == NULL) {
handler(mangled.tryGet(), -1);
return;
}
try {
handler(demangled, -1);
}
catch (...) {
::free(demangled);
throw;
}
::free(demangled);
return;
}
while (false);
handler("", -1);
}
inline void DumpBacktrace(std::ostream& out, unsigned skip = 0)
{
static const size_t maxSize = 100;
void *array[maxSize];
int size = backtrace(array, maxSize);
if (size <= 0) return;
boost::scoped_array<char*> symbols(backtrace_symbols(array, size));
if (!symbols) return;
for (int i = skip; i < size; ++i)
{
std::string symbol(symbols[i]);
std::string::size_type pos = symbol.find('(');
std::string path(symbol, 0, pos);
std::string mangled(symbol, pos + 1, symbol.find(')') - pos - 1);
std::string offset;
pos = mangled.find('+');
if (pos != std::string::npos)
{
offset.assign(mangled, pos + 1, mangled.length() - pos);
mangled.erase(pos);
}
pos = symbol.find('[');
std::string address(symbol, pos + 1, symbol.find(']', pos) - pos - 1);
out << std::left << std::setw(3) << (i - skip + 1);
boost::scoped_array<char> demangled(abi::
__cxa_demangle(mangled.c_str(), nullptr, nullptr, nullptr));
out << path << " ";
if (demangled.get()) out << demangled.get() << " ";
else if (!mangled.empty()) out << mangled << " ";
if (!offset.empty()) out << "[+" << offset << "] ";
out << "[" << address << "]" << std::endl;
}
}
