From ef4aa35164880ec610155b83fea0a2ccc94d3172 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 29 Dec 2011 20:24:47 +0000
Subject: Implement .cfi_escape. Patch by Brian Anderson!

llvm-svn: 147352
---
 llvm/lib/MC/MCStreamer.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'llvm/lib/MC/MCStreamer.cpp')

diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp
index 74c3e39e3b9..23d8c1cd9a4 100644
--- a/llvm/lib/MC/MCStreamer.cpp
+++ b/llvm/lib/MC/MCStreamer.cpp
@@ -408,6 +408,15 @@ void MCStreamer::EmitCFISameValue(int64_t Register) {
   CurFrame->Instructions.push_back(Instruction);
 }
 
+void MCStreamer::EmitCFIEscape(StringRef Values) {
+  EnsureValidFrame();
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
+  MCSymbol *Label = getContext().CreateTempSymbol();
+  EmitLabel(Label);
+  MCCFIInstruction Instruction(MCCFIInstruction::Escape, Label, Values);
+  CurFrame->Instructions.push_back(Instruction);
+}
+
 void MCStreamer::setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame) {
   W64UnwindInfos.push_back(Frame);
   CurrentW64UnwindInfo = W64UnwindInfos.back();
-- 
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