Thumb2 assembly parsing and encoding for USAX.

[oota-llvm.git] / lib / MC / MCPureStreamer.cpp

diff --git a/lib/MC/MCPureStreamer.cpp b/lib/MC/MCPureStreamer.cpp
index ad365d981a32828bde25631ae0c6b3b308a60839..086c9229bcdc6a78d1533f5de33bdd2352558a7a 100644 (file)
--- a/lib/MC/MCPureStreamer.cpp
+++ b/lib/MC/MCPureStreamer.cpp
@@ -28,10 +28,9 @@ private:
   virtual void EmitInstToData(const MCInst &Inst);
 
 public:
-  MCPureStreamer(MCContext &Context, TargetAsmBackend &TAB,
+  MCPureStreamer(MCContext &Context, MCAsmBackend &TAB,
                  raw_ostream &OS, MCCodeEmitter *Emitter)
-    : MCObjectStreamer(Context, TAB, OS, Emitter,
-                       /*PadSectionToAlignment=*/true) {}
+    : MCObjectStreamer(Context, TAB, OS, Emitter) {}
 
   /// @name MCStreamer Interface
   /// @{
@@ -42,7 +41,6 @@ public:
   virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
                             unsigned Size = 0, unsigned ByteAlignment = 0);
   virtual void EmitBytes(StringRef Data, unsigned AddrSpace);
-  virtual void EmitValue(const MCExpr *Value, unsigned Size,unsigned AddrSpace);
   virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
                                     unsigned ValueSize = 1,
                                     unsigned MaxBytesToEmit = 0);
@@ -88,7 +86,8 @@ public:
   virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
     report_fatal_error("unsupported directive in pure streamer");
   }
-  virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size) {
+  virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+                                     unsigned ByteAlignment) {
     report_fatal_error("unsupported directive in pure streamer");
   }
   virtual void EmitFileDirective(StringRef Filename) {
@@ -115,9 +114,9 @@ void MCPureStreamer::InitSections() {
 void MCPureStreamer::EmitLabel(MCSymbol *Symbol) {
   assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
   assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
-  assert(CurSection && "Cannot emit before setting section!");
+  assert(getCurrentSection() && "Cannot emit before setting section!");
 
-  Symbol->setSection(*CurSection);
+  Symbol->setSection(*getCurrentSection());
 
   MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
 
@@ -155,26 +154,6 @@ void MCPureStreamer::EmitBytes(StringRef Data, unsigned AddrSpace) {
   getOrCreateDataFragment()->getContents().append(Data.begin(), Data.end());
 }
 
-void MCPureStreamer::EmitValue(const MCExpr *Value, unsigned Size,
-                               unsigned AddrSpace) {
-  // TODO: This is exactly the same as WinCOFFStreamer. Consider merging into
-  // MCObjectStreamer.
-  MCDataFragment *DF = getOrCreateDataFragment();
-
-  // Avoid fixups when possible.
-  int64_t AbsValue;
-  if (AddValueSymbols(Value)->EvaluateAsAbsolute(AbsValue)) {
-    // FIXME: Endianness assumption.
-    for (unsigned i = 0; i != Size; ++i)
-      DF->getContents().push_back(uint8_t(AbsValue >> (i * 8)));
-  } else {
-    DF->addFixup(MCFixup::Create(DF->getContents().size(),
-                                 AddValueSymbols(Value),
-                                 MCFixup::getKindForSize(Size, false)));
-    DF->getContents().resize(DF->getContents().size() + Size, 0);
-  }
-}
-
 void MCPureStreamer::EmitValueToAlignment(unsigned ByteAlignment,
                                           int64_t Value, unsigned ValueSize,
                                           unsigned MaxBytesToEmit) {
@@ -250,7 +229,7 @@ void MCPureStreamer::Finish() {
   this->MCObjectStreamer::Finish();
 }
 
-MCStreamer *llvm::createPureStreamer(MCContext &Context, TargetAsmBackend &TAB,
+MCStreamer *llvm::createPureStreamer(MCContext &Context, MCAsmBackend &MAB,
                                      raw_ostream &OS, MCCodeEmitter *CE) {
-  return new MCPureStreamer(Context, TAB, OS, CE);
+  return new MCPureStreamer(Context, MAB, OS, CE);
 }