ETMTraceDecoder.h

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//===-- ETMTraceDecoder.h - ETM Trace Decoder -------------------*- 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_PROFILEDATA_ETMTRACEDECODER_H
#define LLVM_PROFILEDATA_ETMTRACEDECODER_H
 
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Error.h"
 
#include <cstdint>
#include <memory>
 
namespace llvm {
 
class Triple;
namespace object {
class Binary;
}
 
class ETMDecoder {
public:
  virtual ~ETMDecoder() = default;
 
  class Callback {
  public:
    virtual ~Callback() = default;
    virtual void processInstructionRange(uint64_t Start, uint64_t End) = 0;
  };
 
  static Expected<std::unique_ptr<ETMDecoder>>
  create(const object::Binary &Binary, const Triple &TargetTriple,
         uint8_t TraceID = 0x10);
 
  virtual Error processTrace(ArrayRef<uint8_t> TraceData,
                             Callback &TraceCallback) = 0;
};
 
} // namespace llvm
 
#endif // LLVM_PROFILEDATA_ETMTRACEDECODER_H