X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FMC%2FWinCOFFStreamer.cpp;h=1d03e2d742f02366f47fcd0cd714387f201a5a17;hb=08f77a9f422e96110d8400e4caaf6a51be49a1f3;hp=2d8ca7eb37182c9b31ad1853fc29901bea4a1207;hpb=d54ec77c0d1182ac12df371b0938020bb1676d65;p=oota-llvm.git

diff --git a/lib/MC/WinCOFFStreamer.cpp b/lib/MC/WinCOFFStreamer.cpp
index 2d8ca7eb371..1d03e2d742f 100644
--- a/lib/MC/WinCOFFStreamer.cpp
+++ b/lib/MC/WinCOFFStreamer.cpp
@@ -11,6 +11,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCAsmLayout.h"
@@ -24,7 +25,6 @@
 #include "llvm/MC/MCSectionCOFF.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCValue.h"
-#include "llvm/MC/MCWin64EH.h"
 #include "llvm/MC/MCWinCOFFStreamer.h"
 #include "llvm/Support/COFF.h"
 #include "llvm/Support/Debug.h"
@@ -81,10 +81,6 @@ void MCWinCOFFStreamer::EmitLabel(MCSymbol *Symbol) {
   MCObjectStreamer::EmitLabel(Symbol);
 }
 
-void MCWinCOFFStreamer::EmitDebugLabel(MCSymbol *Symbol) {
-  EmitLabel(Symbol);
-}
-
 void MCWinCOFFStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
   llvm_unreachable("not implemented");
 }
@@ -125,30 +121,39 @@ void MCWinCOFFStreamer::BeginCOFFSymbolDef(MCSymbol const *Symbol) {
   assert((!Symbol->isInSection() ||
           Symbol->getSection().getVariant() == MCSection::SV_COFF) &&
          "Got non-COFF section in the COFF backend!");
-  assert(!CurSymbol && "starting new symbol definition in a symbol definition");
+
+  if (CurSymbol)
+    FatalError("starting a new symbol definition without completing the "
+               "previous one");
   CurSymbol = Symbol;
 }
 
 void MCWinCOFFStreamer::EmitCOFFSymbolStorageClass(int StorageClass) {
-  assert(CurSymbol && "StorageClass specified outside of symbol definition");
-  assert((StorageClass & ~0xFF) == 0 &&
-         "StorageClass must only have data in the first byte!");
+  if (!CurSymbol)
+    FatalError("storage class specified outside of symbol definition");
+
+  if (StorageClass & ~0xff)
+    FatalError(Twine("storage class value '") + itostr(StorageClass) +
+               "' out of range");
 
   MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*CurSymbol);
   SD.modifyFlags(StorageClass << COFF::SF_ClassShift, COFF::SF_ClassMask);
 }
 
 void MCWinCOFFStreamer::EmitCOFFSymbolType(int Type) {
-  assert(CurSymbol && "SymbolType specified outside of a symbol definition");
-  assert((Type & ~0xFFFF) == 0 &&
-         "Type must only have data in the first 2 bytes");
+  if (!CurSymbol)
+    FatalError("symbol type specified outside of a symbol definition");
+
+  if (Type & ~0xffff)
+    FatalError(Twine("type value '") + itostr(Type) + "' out of range");
 
   MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*CurSymbol);
   SD.modifyFlags(Type << COFF::SF_TypeShift, COFF::SF_TypeMask);
 }
 
 void MCWinCOFFStreamer::EndCOFFSymbolDef() {
-  assert(CurSymbol && "ending symbol definition without beginning one");
+  if (!CurSymbol)
+    FatalError("ending symbol definition without starting one");
   CurSymbol = nullptr;
 }
 
@@ -232,30 +237,17 @@ void MCWinCOFFStreamer::EmitIdent(StringRef IdentString) {
   llvm_unreachable("not implemented");
 }
 
-void MCWinCOFFStreamer::EmitWin64EHHandlerData() {
-  MCStreamer::EmitWin64EHHandlerData();
-
-  // We have to emit the unwind info now, because this directive
-  // actually switches to the .xdata section!
-  MCWin64EHUnwindEmitter::EmitUnwindInfo(*this, getCurrentW64UnwindInfo());
+void MCWinCOFFStreamer::EmitWinEHHandlerData() {
+  llvm_unreachable("not implemented");
 }
 
 void MCWinCOFFStreamer::FinishImpl() {
-  EmitFrames(nullptr, true);
-  EmitW64Tables();
   MCObjectStreamer::FinishImpl();
 }
 
-MCSymbolData &MCWinCOFFStreamer::getOrCreateSymbolData(const MCSymbol *Symbol) {
-  return getAssembler().getOrCreateSymbolData(*Symbol);
-}
-
-MCStreamer *createWinCOFFStreamer(MCContext &Context, MCAsmBackend &MAB,
-                                  MCCodeEmitter &CE, raw_ostream &OS,
-                                  bool RelaxAll) {
-  MCWinCOFFStreamer *S = new MCWinCOFFStreamer(Context, MAB, CE, OS);
-  S->getAssembler().setRelaxAll(RelaxAll);
-  return S;
+LLVM_ATTRIBUTE_NORETURN
+void MCWinCOFFStreamer::FatalError(const Twine &Msg) const {
+  getContext().FatalError(SMLoc(), Msg);
 }
 }