1 /*
   2  * Copyright (c) 2011, 2015, 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 OS_BSD_VM_DECODER_MACHO_HPP
  26 #define OS_BSD_VM_DECODER_MACHO_HPP
  27 
  28 #ifdef __APPLE__
  29 
  30 #include "utilities/decoder.hpp"
  31 
  32 // Just a placehold for now, a real implementation should derive
  33 // from AbstractDecoder
  34 class MachODecoder : public AbstractDecoder {
  35  public:
  36   MachODecoder() { }
  37   ~MachODecoder() { }
  38   virtual bool can_decode_C_frame_in_vm() const {
  39     return true;
  40   }
  41   virtual bool demangle(const char* symbol, char* buf, int buflen);
  42   virtual bool decode(address pc, char* buf, int buflen, int* offset,
  43                       const void* base);
  44   virtual bool decode(address pc, char* buf, int buflen, int* offset,
  45                       const char* module_path, bool demangle) {
  46     ShouldNotReachHere();
  47     return false;
  48   }
  49 
  50  private:
  51   void * mach_find_command(struct mach_header_64 * mach_base, uint32_t command_wanted);
  52   char * mach_find_in_stringtable(char *strtab, uint32_t tablesize, int strx_wanted);
  53 };
  54 
  55 #endif
  56 
  57 #endif // OS_BSD_VM_DECODER_MACHO_HPP
  58