disassembler.hpp revision 5776:de6a9e811145
1/*
2 * Copyright (c) 2008, 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 *
23 */
24
25#ifndef SHARE_VM_COMPILER_DISASSEMBLER_HPP
26#define SHARE_VM_COMPILER_DISASSEMBLER_HPP
27
28#include "asm/codeBuffer.hpp"
29#include "runtime/globals.hpp"
30#ifdef TARGET_OS_FAMILY_linux
31# include "os_linux.inline.hpp"
32#endif
33#ifdef TARGET_OS_FAMILY_solaris
34# include "os_solaris.inline.hpp"
35#endif
36#ifdef TARGET_OS_FAMILY_windows
37# include "os_windows.inline.hpp"
38#endif
39#ifdef TARGET_OS_FAMILY_bsd
40# include "os_bsd.inline.hpp"
41#endif
42
43class decode_env;
44
45// The disassembler prints out assembly code annotated
46// with Java specific information.
47
48class Disassembler {
49  friend class decode_env;
50 private:
51  // this is the type of the dll entry point:
52  typedef void* (*decode_func_virtual)(uintptr_t start_va, uintptr_t end_va,
53                               unsigned char* buffer, uintptr_t length,
54                               void* (*event_callback)(void*, const char*, void*),
55                               void* event_stream,
56                               int (*printf_callback)(void*, const char*, ...),
57                               void* printf_stream,
58                               const char* options,
59                               int newline);
60  // this is the type of the dll entry point for old version:
61  typedef void* (*decode_func)(void* start_va, void* end_va,
62                               void* (*event_callback)(void*, const char*, void*),
63                               void* event_stream,
64                               int (*printf_callback)(void*, const char*, ...),
65                               void* printf_stream,
66                               const char* options);
67  // points to the library.
68  static void*    _library;
69  // bailout
70  static bool     _tried_to_load_library;
71  // points to the decode function.
72  static decode_func_virtual _decode_instructions_virtual;
73  static decode_func _decode_instructions;
74  // tries to load library and return whether it succedded.
75  static bool load_library();
76
77  // Machine dependent stuff
78#ifdef TARGET_ARCH_x86
79# include "disassembler_x86.hpp"
80#endif
81#ifdef TARGET_ARCH_sparc
82# include "disassembler_sparc.hpp"
83#endif
84#ifdef TARGET_ARCH_zero
85# include "disassembler_zero.hpp"
86#endif
87#ifdef TARGET_ARCH_arm
88# include "disassembler_arm.hpp"
89#endif
90#ifdef TARGET_ARCH_ppc
91# include "disassembler_ppc.hpp"
92#endif
93
94
95 public:
96  static bool can_decode() {
97    return (_decode_instructions_virtual != NULL) ||
98           (_decode_instructions != NULL) ||
99           load_library();
100  }
101  static void decode(CodeBlob *cb,               outputStream* st = NULL);
102  static void decode(nmethod* nm,                outputStream* st = NULL);
103  static void decode(address begin, address end, outputStream* st = NULL, CodeStrings c = CodeStrings());
104};
105
106#endif // SHARE_VM_COMPILER_DISASSEMBLER_HPP
107