1 /*
   2  * Copyright (c) 1997, 2013, 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  *

  25 #include "precompiled.hpp"
  26 #include "prims/jvm.h"
  27 #include "runtime/os.hpp"
  28 #include "utilities/decoder.hpp"
  29 #include "utilities/vmError.hpp"
  30 
  31 #if defined(_WINDOWS)
  32   #include "decoder_windows.hpp"
  33 #elif defined(__APPLE__)
  34   #include "decoder_machO.hpp"
  35 #elif defined(AIX)
  36   #include "decoder_aix.hpp"
  37 #else
  38   #include "decoder_elf.hpp"
  39 #endif
  40 
  41 AbstractDecoder*  Decoder::_shared_decoder = NULL;
  42 AbstractDecoder*  Decoder::_error_handler_decoder = NULL;
  43 NullDecoder       Decoder::_do_nothing_decoder;
  44 Mutex*            Decoder::_shared_decoder_lock = new Mutex(Mutex::native,
  45                                 "SharedDecoderLock");


  46 
  47 AbstractDecoder* Decoder::get_shared_instance() {
  48   assert(_shared_decoder_lock != NULL && _shared_decoder_lock->owned_by_self(),
  49     "Require DecoderLock to enter");
  50 
  51   if (_shared_decoder == NULL) {
  52     _shared_decoder = create_decoder();
  53   }
  54   return _shared_decoder;
  55 }
  56 
  57 AbstractDecoder* Decoder::get_error_handler_instance() {
  58   if (_error_handler_decoder == NULL) {
  59     _error_handler_decoder = create_decoder();
  60   }
  61   return _error_handler_decoder;
  62 }
  63 
  64 
  65 AbstractDecoder* Decoder::create_decoder() {

   1 /*
   2  * Copyright (c) 1997, 2014, 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  *

  25 #include "precompiled.hpp"
  26 #include "prims/jvm.h"
  27 #include "runtime/os.hpp"
  28 #include "utilities/decoder.hpp"
  29 #include "utilities/vmError.hpp"
  30 
  31 #if defined(_WINDOWS)
  32   #include "decoder_windows.hpp"
  33 #elif defined(__APPLE__)
  34   #include "decoder_machO.hpp"
  35 #elif defined(AIX)
  36   #include "decoder_aix.hpp"
  37 #else
  38   #include "decoder_elf.hpp"
  39 #endif
  40 
  41 AbstractDecoder*  Decoder::_shared_decoder = NULL;
  42 AbstractDecoder*  Decoder::_error_handler_decoder = NULL;
  43 NullDecoder       Decoder::_do_nothing_decoder;
  44 Mutex*            Decoder::_shared_decoder_lock = new Mutex(Mutex::native,
  45                                 "SharedDecoderLock",
  46                                 false,
  47                                 Monitor::_safepoint_check_never);
  48 
  49 AbstractDecoder* Decoder::get_shared_instance() {
  50   assert(_shared_decoder_lock != NULL && _shared_decoder_lock->owned_by_self(),
  51     "Require DecoderLock to enter");
  52 
  53   if (_shared_decoder == NULL) {
  54     _shared_decoder = create_decoder();
  55   }
  56   return _shared_decoder;
  57 }
  58 
  59 AbstractDecoder* Decoder::get_error_handler_instance() {
  60   if (_error_handler_decoder == NULL) {
  61     _error_handler_decoder = create_decoder();
  62   }
  63   return _error_handler_decoder;
  64 }
  65 
  66 
  67 AbstractDecoder* Decoder::create_decoder() {