/*

 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#ifndef OS_BSD_VM_DECODER_MACHO_HPP

#define OS_BSD_VM_DECODER_MACHO_HPP

#ifdef __APPLE__

#include "utilities/decoder.hpp"

// Just a placehold for now, a real implementation should derive

// from AbstractDecoder

class MachODecoder : public AbstractDecoder {

 public:

  MachODecoder() { }

  ~MachODecoder() { }

  virtual bool can_decode_C_frame_in_vm() const {

    return true;

  }

  virtual bool demangle(const char* symbol, char* buf, int buflen);

  virtual bool decode(address pc, char* buf, int buflen, int* offset,

                      const void* base);

  virtual bool decode(address pc, char* buf, int buflen, int* offset,

                      const char* module_path, bool demangle) {

    ShouldNotReachHere();

    return false;

  }

 private:

  void * mach_find_command(struct mach_header_64 * mach_base, uint32_t command_wanted);

  char * mach_find_in_stringtable(char *strtab, uint32_t tablesize, int strx_wanted);

};

#endif

#endif // OS_BSD_VM_DECODER_MACHO_HPP