Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 55 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/MC/MCWasmObjectWriter.h b/clang-r353983/include/llvm/MC/MCWasmObjectWriter.h
new file mode 100644
index 00000000..4adbca28
--- /dev/null
+++ b/clang-r353983/include/llvm/MC/MCWasmObjectWriter.h
@@ -0,0 +1,55 @@
+//===-- llvm/MC/MCWasmObjectWriter.h - Wasm Object Writer -------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCWASMOBJECTWRITER_H
+#define LLVM_MC_MCWASMOBJECTWRITER_H
+
+#include "llvm/MC/MCObjectWriter.h"
+#include <memory>
+
+namespace llvm {
+
+class MCFixup;
+class MCValue;
+class raw_pwrite_stream;
+
+class MCWasmObjectTargetWriter : public MCObjectTargetWriter {
+  const unsigned Is64Bit : 1;
+
+protected:
+  explicit MCWasmObjectTargetWriter(bool Is64Bit_);
+
+public:
+  virtual ~MCWasmObjectTargetWriter();
+
+  virtual Triple::ObjectFormatType getFormat() const { return Triple::Wasm; }
+  static bool classof(const MCObjectTargetWriter *W) {
+    return W->getFormat() == Triple::Wasm;
+  }
+
+  virtual unsigned getRelocType(const MCValue &Target,
+                                const MCFixup &Fixup) const = 0;
+
+  /// \name Accessors
+  /// @{
+  bool is64Bit() const { return Is64Bit; }
+  /// @}
+};
+
+/// Construct a new Wasm writer instance.
+///
+/// \param MOTW - The target specific Wasm writer subclass.
+/// \param OS - The stream to write to.
+/// \returns The constructed object writer.
+std::unique_ptr<MCObjectWriter>
+createWasmObjectWriter(std::unique_ptr<MCWasmObjectTargetWriter> MOTW,
+                       raw_pwrite_stream &OS);
+
+} // namespace llvm
+
+#endif