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--- contrib/libs/cxxsupp/libcxxrt/exception.cc (index)
+++ contrib/libs/cxxsupp/libcxxrt/exception.cc (working tree)
@@ -312,9 +312,44 @@ static _Unwind_Reason_Code trace(struct _Unwind_Context *context, void *c)
return _URC_CONTINUE_UNWIND;
}
+static void terminate_with_diagnostics() {
+ __cxa_eh_globals *globals = __cxa_get_globals();
+ __cxa_exception *ex = globals->caughtExceptions;
+
+ if (ex != nullptr) {
+ fprintf(stderr, "uncaught exception:\n address -> %p\n", (void*)ex);
+ ex = realExceptionFromException(ex);
+
+ const __class_type_info *e_ti =
+ static_cast<const __class_type_info*>(&typeid(std::exception));
+ const __class_type_info *throw_ti =
+ dynamic_cast<const __class_type_info*>(ex->exceptionType);
+
+ if (throw_ti) {
+ void* ptr = ex + 1;
+
+ if (throw_ti->__do_upcast(e_ti, &ptr)) {
+ std::exception* e = static_cast<std::exception*>(ptr);
+
+ if (e) {
+ fprintf(stderr, " what() -> \"%s\"\n", e->what());
+ }
+ }
+ }
+
+ size_t bufferSize = 128;
+ char *demangled = static_cast<char*>(malloc(bufferSize));
+ const char *mangled = ex->exceptionType->name();
+ int status;
+ demangled = __cxa_demangle(mangled, demangled, &bufferSize, &status);
+ fprintf(stderr, " type -> %s\n", status == 0 ? demangled : mangled);
+ if (status == 0) { free(demangled); }
+ }
+ abort();
+}
/** The global termination handler. */
-static atomic<terminate_handler> terminateHandler = abort;
+static atomic<terminate_handler> terminateHandler = terminate_with_diagnostics;
/** The global unexpected exception handler. */
static atomic<unexpected_handler> unexpectedHandler = std::terminate;
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