Differential Revision: https://reviews.llvm.org/D90453
Counter->stop();
});
CrashRecoveryContext::Disable();
- // FIXME: Better diagnosis.
- if (Crashed)
- return make_error<SnippetCrash>("snippet crashed while running");
+ if (Crashed) {
+ std::string Msg = "snippet crashed while running";
+#ifdef LLVM_ON_UNIX
+ // See "Exit Status for Commands":
+ // https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xcu_chap02.html
+ constexpr const int kSigOffset = 128;
+ if (const char *const SigName = strsignal(CRC.RetCode - kSigOffset)) {
+ Msg += ": ";
+ Msg += SigName;
+ }
+#endif
+ return make_error<SnippetCrash>(std::move(Msg));
+ }
}
auto ValueOrError = Counter->readOrError(Function.getFunctionBytes());