/*******************************************************************************
 *
 * University of Illinois/NCSA
 * Open Source License
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 * Copyright (c) 2003-2017 University of Illinois at Urbana-Champaign.
 * Modifications (c) 2018 Advanced Micro Devices, Inc.
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#ifndef COMGR_SYMBOLIZER_H
#define COMGR_SYMBOLIZER_H

#include "comgr.h"
#include "llvm/DebugInfo/Symbolize/DIPrinter.h"
#include "llvm/DebugInfo/Symbolize/Symbolize.h"
#include "llvm/Object/ELFObjectFile.h"
#include <memory>

using namespace llvm::symbolize;
using namespace llvm::object;

namespace COMGR {

typedef void (*PrintSymbolCallback)(const char *, void *);

struct Symbolizer {
  Symbolizer(std::unique_ptr<ObjectFile> &&CodeObject,
             PrintSymbolCallback PrintSymbol);
  ~Symbolizer();

  static amd_comgr_symbolizer_info_t convert(Symbolizer *SymbolizerObj) {
    amd_comgr_symbolizer_info_t Handle = {
        static_cast<uint64_t>(reinterpret_cast<uintptr_t>(SymbolizerObj))};
    return Handle;
  }

  static const amd_comgr_symbolizer_info_t
  convert(const Symbolizer *SymbolizerObj) {
    const amd_comgr_symbolizer_info_t Handle = {
        static_cast<uint64_t>(reinterpret_cast<uintptr_t>(SymbolizerObj))};
    return Handle;
  }

  static Symbolizer *convert(amd_comgr_symbolizer_info_t SymbolizerInfo) {
    return reinterpret_cast<Symbolizer *>(SymbolizerInfo.handle);
  }

  static amd_comgr_status_t create(DataObject *CodeObjectP,
                                   PrintSymbolCallback PrintSymbol,
                                   amd_comgr_symbolizer_info_t *SymbolizeInfo);

  amd_comgr_status_t symbolize(uint64_t Address, bool IsCode, void *UserData);

private:
  // llvm symbolizer with default options
  LLVMSymbolizer SymbolizerImpl;
  std::unique_ptr<ObjectFile> CodeObject;
  PrintSymbolCallback PrintSymbol;
};
} // namespace COMGR
#endif
