Mercurial > hg > truffle
annotate src/share/vm/interpreter/bytecodeTracer.hpp @ 1764:14197af1010e
Merge
author | never |
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date | Fri, 27 Aug 2010 17:35:08 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // The BytecodeTracer is a helper class used by the interpreter for run-time | |
26 // bytecode tracing. If bytecode tracing is turned on, trace() will be called | |
27 // for each bytecode. | |
28 // | |
29 // By specialising the BytecodeClosure, all kinds of bytecode traces can | |
30 // be done. | |
31 | |
32 #ifndef PRODUCT | |
33 // class BytecodeTracer is only used by TraceBytecodes option | |
34 | |
35 class BytecodeClosure; | |
36 class BytecodeTracer: AllStatic { | |
37 private: | |
38 static BytecodeClosure* _closure; | |
39 | |
40 public: | |
41 static BytecodeClosure* std_closure(); // a printing closure | |
42 static BytecodeClosure* closure() { return _closure; } | |
43 static void set_closure(BytecodeClosure* closure) { _closure = closure; } | |
44 | |
45 static void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st = tty); | |
46 static void trace(methodHandle method, address bcp, outputStream* st = tty); | |
47 }; | |
48 | |
49 | |
50 // For each bytecode, a BytecodeClosure's trace() routine will be called. | |
51 | |
52 class BytecodeClosure { | |
53 public: | |
54 virtual void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) = 0; | |
55 virtual void trace(methodHandle method, address bcp, outputStream* st) = 0; | |
56 }; | |
57 | |
58 #endif // !PRODUCT |