Add the getExprForFDESymbol method that responsible for computing the
expressions used in the FDE to refer to symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130437 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index d677d0c..7111758 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -465,19 +465,16 @@
static void EmitSymbol(MCStreamer &streamer, const MCSymbol &symbol,
unsigned symbolEncoding) {
+ MCContext &context = streamer.getContext();
+ const MCAsmInfo &asmInfo = context.getAsmInfo();
+ const MCExpr *v = asmInfo.getExprForFDESymbol(&symbol,
+ streamer);
unsigned size = getSizeForEncoding(streamer, symbolEncoding);
unsigned application = symbolEncoding & 0x70;
- switch (application) {
- default:
- assert(0 && "Unknown Encoding");
- break;
- case 0:
- streamer.EmitSymbolValue(&symbol, size);
- break;
- case dwarf::DW_EH_PE_pcrel:
- streamer.EmitPCRelSymbolValue(&symbol, size);
- break;
- }
+ if (isa<MCSymbolRefExpr>(v) && application == dwarf::DW_EH_PE_pcrel)
+ streamer.EmitPCRelValue(v, size);
+ else
+ streamer.EmitAbsValue(v, size);
}
static void EmitPersonality(MCStreamer &streamer, const MCSymbol &symbol,
@@ -756,7 +753,7 @@
unsigned size = getSizeForEncoding(streamer, fdeEncoding);
// PC Begin
- streamer.EmitPCRelSymbolValue(frame.Begin, size);
+ EmitSymbol(streamer, *frame.Begin, fdeEncoding);
// PC Range
const MCExpr *Range = MakeStartMinusEndExpr(streamer, *frame.Begin,