1 /*
   2  * Copyright (c) 2008, 2010, 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_COMPILER_DISASSEMBLER_HPP
  26 #define SHARE_VM_COMPILER_DISASSEMBLER_HPP
  27 
  28 #include "runtime/globals.hpp"
  29 #ifdef TARGET_OS_FAMILY_linux
  30 # include "os_linux.inline.hpp"
  31 #endif
  32 #ifdef TARGET_OS_FAMILY_solaris
  33 # include "os_solaris.inline.hpp"
  34 #endif
  35 #ifdef TARGET_OS_FAMILY_windows
  36 # include "os_windows.inline.hpp"
  37 #endif
  38 
  39 class decode_env;
  40 
  41 // The disassembler prints out assembly code annotated
  42 // with Java specific information.
  43 
  44 class Disassembler {
  45   friend class decode_env;
  46  private:
  47   // this is the type of the dll entry point:
  48   typedef void* (*decode_func)(void* start, void* end,
  49                                void* (*event_callback)(void*, const char*, void*),
  50                                void* event_stream,
  51                                int (*printf_callback)(void*, const char*, ...),
  52                                void* printf_stream,
  53                                const char* options);
  54   // points to the library.
  55   static void*    _library;
  56   // bailout
  57   static bool     _tried_to_load_library;
  58   // points to the decode function.
  59   static decode_func _decode_instructions;
  60   // tries to load library and return whether it succedded.
  61   static bool load_library();
  62 
  63   // Machine dependent stuff
  64 #ifdef TARGET_ARCH_x86
  65 # include "disassembler_x86.hpp"
  66 #endif
  67 #ifdef TARGET_ARCH_sparc
  68 # include "disassembler_sparc.hpp"
  69 #endif
  70 #ifdef TARGET_ARCH_zero
  71 # include "disassembler_zero.hpp"
  72 #endif
  73 
  74 
  75  public:
  76   static bool can_decode() {
  77     return (_decode_instructions != NULL) || load_library();
  78   }
  79   static void decode(CodeBlob *cb,               outputStream* st = NULL);
  80   static void decode(nmethod* nm,                outputStream* st = NULL);
  81   static void decode(address begin, address end, outputStream* st = NULL);
  82 };
  83 
  84 #endif // SHARE_VM_COMPILER_DISASSEMBLER_HPP