disassembler.hpp revision 2273:1d1603768966 
1/*
2 * Copyright (c) 2008, 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_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
39class decode_env;
40
41// The disassembler prints out assembly code annotated
42// with Java specific information.
43
44class 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#ifdef TARGET_ARCH_arm
74# include "disassembler_arm.hpp"
75#endif
76#ifdef TARGET_ARCH_ppc
77# include "disassembler_ppc.hpp"
78#endif
79
80
81 public:
82  static bool can_decode() {
83    return (_decode_instructions != NULL) || load_library();
84  }
85  static void decode(CodeBlob *cb,               outputStream* st = NULL);
86  static void decode(nmethod* nm,                outputStream* st = NULL);
87  static void decode(address begin, address end, outputStream* st = NULL);
88};
89
90#endif // SHARE_VM_COMPILER_DISASSEMBLER_HPP
91