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-rw-r--r--lib/MC/MCAsmInfo.cpp28
1 files changed, 27 insertions, 1 deletions
diff --git a/lib/MC/MCAsmInfo.cpp b/lib/MC/MCAsmInfo.cpp
index 8199fb2e158a..541dd080accf 100644
--- a/lib/MC/MCAsmInfo.cpp
+++ b/lib/MC/MCAsmInfo.cpp
@@ -13,7 +13,11 @@
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCStreamer.h"
#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/Dwarf.h"
#include <cctype>
#include <cstring>
using namespace llvm;
@@ -26,7 +30,7 @@ MCAsmInfo::MCAsmInfo() {
LinkerRequiresNonEmptyDwarfLines = false;
MaxInstLength = 4;
PCSymbol = "$";
- SeparatorChar = ';';
+ SeparatorString = ";";
CommentColumn = 40;
CommentString = "#";
LabelSuffix = ":";
@@ -106,3 +110,25 @@ unsigned MCAsmInfo::getSLEB128Size(int Value) {
} while (IsMore);
return Size;
}
+
+const MCExpr *
+MCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym,
+ unsigned Encoding,
+ MCStreamer &Streamer) const {
+ return getExprForFDESymbol(Sym, Encoding, Streamer);
+}
+
+const MCExpr *
+MCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym,
+ unsigned Encoding,
+ MCStreamer &Streamer) const {
+ if (!(Encoding & dwarf::DW_EH_PE_pcrel))
+ return MCSymbolRefExpr::Create(Sym, Streamer.getContext());
+
+ 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);
+}