+static const MCSection *getWin64EHTableSection(StringRef suffix,
+ MCContext &context) {
+ // FIXME: This doesn't belong in MCObjectFileInfo. However,
+ /// this duplicate code in MCWin64EH.cpp.
+ if (suffix == "")
+ return context.getObjectFileInfo()->getXDataSection();
+ return context.getCOFFSection((".xdata"+suffix).str(),
+ COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ |
+ COFF::IMAGE_SCN_MEM_WRITE,
+ SectionKind::getDataRel());
+}
+
+void MCAsmStreamer::EmitWin64EHHandlerData() {
+ MCStreamer::EmitWin64EHHandlerData();
+
+ // Switch sections. Don't call SwitchSection directly, because that will
+ // cause the section switch to be visible in the emitted assembly.
+ // We only do this so the section switch that terminates the handler
+ // data block is visible.
+ MCWin64EHUnwindInfo *CurFrame = getCurrentW64UnwindInfo();
+ StringRef suffix=MCWin64EHUnwindEmitter::GetSectionSuffix(CurFrame->Function);
+ const MCSection *xdataSect = getWin64EHTableSection(suffix, getContext());
+ if (xdataSect)
+ SwitchSectionNoChange(xdataSect);
+
+ OS << "\t.seh_handlerdata";
+ EmitEOL();
+}
+
+void MCAsmStreamer::EmitWin64EHPushReg(unsigned Register) {
+ MCStreamer::EmitWin64EHPushReg(Register);