Mercurial > hg > truffle
annotate src/share/vm/interpreter/bytecodeTracer.hpp @ 15177:66e3af78ea96
HSAIL: added safepoint support
Contributed-by: Eric Caspole <eric.caspole@amd.com>
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 17 Apr 2014 00:44:32 +0200 |
parents | f95d63e2154a |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1997, 2010, 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 | |
1972 | 25 #ifndef SHARE_VM_INTERPRETER_BYTECODETRACER_HPP |
26 #define SHARE_VM_INTERPRETER_BYTECODETRACER_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 | |
0 | 30 // The BytecodeTracer is a helper class used by the interpreter for run-time |
31 // bytecode tracing. If bytecode tracing is turned on, trace() will be called | |
32 // for each bytecode. | |
33 // | |
34 // By specialising the BytecodeClosure, all kinds of bytecode traces can | |
35 // be done. | |
36 | |
37 #ifndef PRODUCT | |
38 // class BytecodeTracer is only used by TraceBytecodes option | |
39 | |
40 class BytecodeClosure; | |
41 class BytecodeTracer: AllStatic { | |
42 private: | |
43 static BytecodeClosure* _closure; | |
44 | |
45 public: | |
46 static BytecodeClosure* std_closure(); // a printing closure | |
47 static BytecodeClosure* closure() { return _closure; } | |
48 static void set_closure(BytecodeClosure* closure) { _closure = closure; } | |
49 | |
50 static void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st = tty); | |
51 static void trace(methodHandle method, address bcp, outputStream* st = tty); | |
52 }; | |
53 | |
54 | |
55 // For each bytecode, a BytecodeClosure's trace() routine will be called. | |
56 | |
57 class BytecodeClosure { | |
58 public: | |
59 virtual void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) = 0; | |
60 virtual void trace(methodHandle method, address bcp, outputStream* st) = 0; | |
61 }; | |
62 | |
63 #endif // !PRODUCT | |
1972 | 64 |
65 #endif // SHARE_VM_INTERPRETER_BYTECODETRACER_HPP |