1 /*
   2  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_UTILITIES_DECODER_ELF_HPP
  26 #define SHARE_VM_UTILITIES_DECODER_ELF_HPP
  27 
  28 #if !defined(_WINDOWS) && !defined(__APPLE__)
  29 
  30 #include "utilities/decoder.hpp"
  31 #include "utilities/elfFile.hpp"
  32 
  33 class ElfDecoder: public NullDecoder {
  34 
  35 public:
  36   ElfDecoder() { 
  37     _opened_elf_files = NULL; 
  38     _decoder_status = no_error;
  39   }
  40   ~ElfDecoder();
  41 
  42   bool can_decode_C_frame_in_vm() const { return true; }
  43 
  44   bool demangle(const char* symbol, char *buf, int buflen);
  45   bool decode(address addr, char *buf, int buflen, int* offset, const char* filepath = NULL);
  46 
  47 private:
  48   ElfFile*         get_elf_file(const char* filepath);
  49 
  50 private:
  51   ElfFile*         _opened_elf_files;
  52 };
  53 
  54 #endif 
  55 #endif // SHARE_VM_UTILITIES_DECODER_ELF_HPP