From 81f3830f2ed0b26e8bd7ae62e127db427f9f350d Mon Sep 17 00:00:00 2001 From: Charles Davis Date: Sat, 21 May 2011 17:36:25 +0000 Subject: [PATCH] Don't allow .seh_handler and .seh_handlerdata directives inside chained unwind areas. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131795 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/MC/MCStreamer.cpp | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp index 1ec7688a5ed..a760f2cfb59 100644 --- a/lib/MC/MCStreamer.cpp +++ b/lib/MC/MCStreamer.cpp @@ -361,6 +361,8 @@ void MCStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind, bool Except) { EnsureValidW64UnwindInfo(); MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; + if (CurFrame->ChainedParent) + report_fatal_error("Chained unwind areas can't have handlers!"); CurFrame->ExceptionHandler = Sym; if (!Except && !Unwind) report_fatal_error("Don't know what kind of handler this is!"); @@ -372,6 +374,9 @@ void MCStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind, void MCStreamer::EmitWin64EHHandlerData() { EnsureValidW64UnwindInfo(); + MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; + if (CurFrame->ChainedParent) + report_fatal_error("Chained unwind areas can't have handlers!"); } void MCStreamer::EmitWin64EHPushReg(unsigned Register) { -- 2.34.1