Add a getExprForPersonalitySymbol method to MCAsmInfo. Use it when
converting the symbol passed to .cfi_personality into bytes is the file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130400 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCAsmInfoDarwin.cpp b/lib/MC/MCAsmInfoDarwin.cpp
index 526ad0d..04862fa 100644
--- a/lib/MC/MCAsmInfoDarwin.cpp
+++ b/lib/MC/MCAsmInfoDarwin.cpp
@@ -13,6 +13,9 @@
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCAsmInfoDarwin.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCStreamer.h"
using namespace llvm;
MCAsmInfoDarwin::MCAsmInfoDarwin() {
@@ -57,3 +60,13 @@
DwarfUsesLabelOffsetForRanges = false;
}
+const MCExpr *
+MCAsmInfoDarwin::getExprForPersonalitySymbol(const MCSymbol *Sym,
+ MCStreamer &Streamer) const {
+ MCContext &Context = Streamer.getContext();
+ const MCExpr *Res = MCSymbolRefExpr::Create(Sym, Context);
+ MCSymbol *PCSym = Context.CreateTempSymbol();
+ Streamer.EmitLabel(PCSym);
+ const MCExpr *PC = MCSymbolRefExpr::Create(PCSym, Context);
+ return MCBinaryExpr::CreateSub(Res, PC, Context);
+}