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
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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_aix
40 # include "os_aix.inline.hpp"
41 #endif
42 #ifdef TARGET_OS_FAMILY_bsd
43 # include "os_bsd.inline.hpp"
44 #endif
45 
46 class decode_env;
47 
48 // The disassembler prints out assembly code annotated
49 // with Java specific information.
50 
51 class Disassembler {
52   friend class decode_env;
53  private:
54   // this is the type of the dll entry point:
55   typedef void* (*decode_func_virtual)(uintptr_t start_va, uintptr_t end_va,
56                                unsigned char* buffer, uintptr_t length,
57                                void* (*event_callback)(void*, const char*, void*),
58                                void* event_stream,
59                                int (*printf_callback)(void*, const char*, ...),
60                                void* printf_stream,
61                                const char* options,
62                                int newline);
63   // this is the type of the dll entry point for old version:
64   typedef void* (*decode_func)(void* start_va, void* end_va,
65                                void* (*event_callback)(void*, const char*, void*),
66                                void* event_stream,
67                                int (*printf_callback)(void*, const char*, ...),
68                                void* printf_stream,
69                                const char* options);
70   // points to the library.
71   static void*    _library;
72   // bailout
73   static bool     _tried_to_load_library;
74   // points to the decode function.
75   static decode_func_virtual _decode_instructions_virtual;
76   static decode_func _decode_instructions;
77   // tries to load library and return whether it succedded.
78   static bool load_library();
79 
80   // Machine dependent stuff
81 #ifdef TARGET_ARCH_x86
82 # include "disassembler_x86.hpp"
83 #endif
84 #ifdef TARGET_ARCH_aarch64
85 # include "disassembler_aarch64.hpp"
86 #endif
87 #ifdef TARGET_ARCH_sparc
88 # include "disassembler_sparc.hpp"
89 #endif
90 #ifdef TARGET_ARCH_zero
91 # include "disassembler_zero.hpp"
92 #endif
93 #ifdef TARGET_ARCH_arm
94 # include "disassembler_arm.hpp"
95 #endif
96 #ifdef TARGET_ARCH_ppc
97 # include "disassembler_ppc.hpp"
98 #endif
99 
100 
101  public:
can_decode()102   static bool can_decode() {
103     return (_decode_instructions_virtual != NULL) ||
104            (_decode_instructions != NULL) ||
105            load_library();
106   }
107   static void decode(CodeBlob *cb,               outputStream* st = NULL);
108   static void decode(nmethod* nm,                outputStream* st = NULL);
109   static void decode(address begin, address end, outputStream* st = NULL, CodeStrings c = CodeStrings());
110 };
111 
112 #endif // SHARE_VM_COMPILER_DISASSEMBLER_HPP
113