Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/MC/MCWasmStreamer.h b/linux-x64/clang/include/llvm/MC/MCWasmStreamer.h
new file mode 100644
index 0000000..c0d4545
--- /dev/null
+++ b/linux-x64/clang/include/llvm/MC/MCWasmStreamer.h
@@ -0,0 +1,84 @@
+//===- MCWasmStreamer.h - MCStreamer Wasm Object File Interface -*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCWASMSTREAMER_H
+#define LLVM_MC_MCWASMSTREAMER_H
+
+#include "MCAsmBackend.h"
+#include "MCCodeEmitter.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/MC/MCDirectives.h"
+#include "llvm/MC/MCObjectStreamer.h"
+#include "llvm/MC/SectionKind.h"
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+class MCAssembler;
+class MCExpr;
+class MCInst;
+class raw_ostream;
+
+class MCWasmStreamer : public MCObjectStreamer {
+public:
+ MCWasmStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> TAB,
+ raw_pwrite_stream &OS, std::unique_ptr<MCCodeEmitter> Emitter)
+ : MCObjectStreamer(Context, std::move(TAB), OS, std::move(Emitter)),
+ SeenIdent(false) {}
+
+ ~MCWasmStreamer() override;
+
+ /// state management
+ void reset() override {
+ SeenIdent = false;
+ MCObjectStreamer::reset();
+ }
+
+ /// \name MCStreamer Interface
+ /// @{
+
+ void ChangeSection(MCSection *Section, const MCExpr *Subsection) override;
+ void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
+ void EmitThumbFunc(MCSymbol *Func) override;
+ void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
+ bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
+ void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
+ void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment) override;
+
+ void emitELFSize(MCSymbol *Symbol, const MCExpr *Value) override;
+
+ void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment) override;
+
+ void EmitZerofill(MCSection *Section, MCSymbol *Symbol = nullptr,
+ uint64_t Size = 0, unsigned ByteAlignment = 0) override;
+ void EmitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment = 0) override;
+ void EmitValueImpl(const MCExpr *Value, unsigned Size,
+ SMLoc Loc = SMLoc()) override;
+
+ void EmitIdent(StringRef IdentString) override;
+
+ void EmitValueToAlignment(unsigned, int64_t, unsigned, unsigned) override;
+
+ void FinishImpl() override;
+
+private:
+ void EmitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &) override;
+ void EmitInstToData(const MCInst &Inst, const MCSubtargetInfo &) override;
+
+ /// \brief Merge the content of the fragment \p EF into the fragment \p DF.
+ void mergeFragment(MCDataFragment *, MCDataFragment *);
+
+ bool SeenIdent;
+};
+
+} // end namespace llvm
+
+#endif