+void MCStreamer::EnsureValidW64UnwindInfo() {
+ MCWin64EHUnwindInfo *CurFrame = getCurrentW64UnwindInfo();
+ if (!CurFrame || CurFrame->End)
+ report_fatal_error("No open Win64 EH frame function!");
+}
+
+void MCStreamer::EmitWin64EHStartProc(MCSymbol *Symbol, MCSymbol *EHandler) {
+ MCWin64EHUnwindInfo *CurFrame = getCurrentW64UnwindInfo();
+ if (CurFrame && !CurFrame->End)
+ report_fatal_error("Starting a function before ending the previous one!");
+ MCWin64EHUnwindInfo Frame;
+ Frame.Begin = getContext().CreateTempSymbol();
+ Frame.Function = Symbol;
+ Frame.ExceptionHandler = EHandler;
+ EmitLabel(Frame.Begin);
+ W64UnwindInfos.push_back(Frame);
+}
+
+void MCStreamer::EmitWin64EHEndProc() {
+ EnsureValidW64UnwindInfo();
+ MCWin64EHUnwindInfo *CurFrame = getCurrentW64UnwindInfo();
+ if (CurFrame->Chained)
+ report_fatal_error("Not all chained regions terminated!");
+ CurFrame->End = getContext().CreateTempSymbol();
+ EmitLabel(CurFrame->End);