subclassed MCAsmStreamer

lib/Target/X86/MCTargetDesc/X86MCNaClAsmStreamer.h

Index: lib/Target/X86/MCTargetDesc/X86MCNaClAsmStreamer.h
diff --git a/lib/Target/X86/MCTargetDesc/X86MCNaClAsmStreamer.h b/lib/Target/X86/MCTargetDesc/X86MCNaClAsmStreamer.h
new file mode 100644
index 0000000000000000000000000000000000000000..36664183fcd35087d0d798a87d5cd32e0d35d3f5
--- /dev/null
+++ b/lib/Target/X86/MCTargetDesc/X86MCNaClAsmStreamer.h
@@ -0,0 +1,43 @@
+#ifndef LLVM_MC_NACL_ASM_STREAMER_H
+#define LLVM_MC_NACL_ASM_STREAMER_H
+
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCAsmStreamer.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/MC/MCAsmBackend.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCCodeEmitter.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCFixupKindInfo.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCInstPrinter.h"
+#include "llvm/MC/MCObjectFileInfo.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCSectionCOFF.h"
+#include "llvm/MC/MCSectionMachO.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/Path.h"
+
+#include "X86MCNaCl.h"
+#include <cctype>
+using namespace llvm;
+
+class X86MCNaClAsmStreamer : public MCAsmStreamer {
+ public:
+  using MCAsmStreamer::MCAsmStreamer; // inherit constructor
+  void EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override;
+
+ private:
+  X86MCNaClSFIState State {0, false, false};
+};
+
+#endif // header guard