Emit the handler's data area. For GCC-style exceptions under Win64, the
handler's data area starts with a 4-byte reference to the personality
function, followed by the DWARF LSDA.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132302 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/Win64Exception.cpp b/lib/CodeGen/AsmPrinter/Win64Exception.cpp
index 8ef4587..c2ad5eb 100644
--- a/lib/CodeGen/AsmPrinter/Win64Exception.cpp
+++ b/lib/CodeGen/AsmPrinter/Win64Exception.cpp
@@ -83,6 +83,9 @@
MCSymbol *GCCHandlerSym =
Asm->GetExternalSymbolSymbol("_GCC_specific_handler");
Asm->OutStreamer.EmitWin64EHHandler(GCCHandlerSym, true, true);
+
+ Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_begin",
+ Asm->getFunctionNumber()));
}
/// EndFunction - Gather and emit post-function exception information.
@@ -91,5 +94,23 @@
if (!shouldEmitPersonality && !shouldEmitMoves)
return;
+ Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_end",
+ Asm->getFunctionNumber()));
+
+ // Map all labels and get rid of any dead landing pads.
+ MMI->TidyLandingPads();
+
+ if (shouldEmitPersonality) {
+ const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering();
+ const Function *Per = MMI->getPersonalities()[MMI->getPersonalityIndex()];
+ const MCSymbol *Sym = TLOF.getCFIPersonalitySymbol(Per, Asm->Mang, MMI);
+
+ Asm->OutStreamer.PushSection();
+ Asm->OutStreamer.EmitWin64EHHandlerData();
+ Asm->OutStreamer.EmitValue(MCSymbolRefExpr::Create(Sym, Asm->OutContext),
+ 4);
+ EmitExceptionTable();
+ Asm->OutStreamer.PopSection();
+ }
Asm->OutStreamer.EmitWin64EHEndProc();
}