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annotate src/share/vm/prims/jvmtiUtil.hpp @ 7666:31540ca73e81
Remove ControlFlowException in SimpleLanguage.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 01 Feb 2013 19:53:52 +0100 |
parents | f95d63e2154a |
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rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1999, 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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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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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_PRIMS_JVMTIUTIL_HPP |
26 #define SHARE_VM_PRIMS_JVMTIUTIL_HPP | |
27 | |
28 #include "jvmtifiles/jvmti.h" | |
29 #include "memory/resourceArea.hpp" | |
30 #include "prims/jvmtiEventController.hpp" | |
31 | |
0 | 32 /////////////////////////////////////////////////////////////// |
33 // | |
34 // class JvmtiUtil | |
35 // | |
36 // class for miscellaneous jvmti utility static methods | |
37 // | |
38 | |
39 class JvmtiUtil : AllStatic { | |
40 | |
41 static ResourceArea* _single_threaded_resource_area; | |
42 | |
43 static const char* _error_names[]; | |
44 static const bool _event_threaded[]; | |
45 | |
46 public: | |
47 | |
48 static ResourceArea* single_threaded_resource_area(); | |
49 | |
50 static const char* error_name(int num) { return _error_names[num]; } // To Do: add range checking | |
51 | |
52 static const bool has_event_capability(jvmtiEvent event_type, const jvmtiCapabilities* capabilities_ptr); | |
53 | |
54 static const bool event_threaded(int num) { | |
55 if (num >= JVMTI_MIN_EVENT_TYPE_VAL && num <= JVMTI_MAX_EVENT_TYPE_VAL) { | |
56 return _event_threaded[num]; | |
57 } | |
58 if (num >= EXT_MIN_EVENT_TYPE_VAL && num <= EXT_MAX_EVENT_TYPE_VAL) { | |
59 return false; | |
60 } | |
61 ShouldNotReachHere(); | |
62 return false; | |
63 } | |
64 }; | |
65 | |
66 | |
67 /////////////////////////////////////////////////////////////// | |
68 // | |
69 // class SafeResourceMark | |
70 // | |
71 // ResourceMarks that work before threads exist | |
72 // | |
73 | |
74 class SafeResourceMark : public ResourceMark { | |
75 | |
76 ResourceArea* safe_resource_area() { | |
77 Thread* thread; | |
78 | |
79 if (Threads::number_of_threads() == 0) { | |
80 return JvmtiUtil::single_threaded_resource_area(); | |
81 } | |
82 thread = ThreadLocalStorage::thread(); | |
83 if (thread == NULL) { | |
84 return JvmtiUtil::single_threaded_resource_area(); | |
85 } | |
86 return thread->resource_area(); | |
87 } | |
88 | |
89 public: | |
90 | |
91 SafeResourceMark() : ResourceMark(safe_resource_area()) {} | |
92 | |
93 }; | |
1972 | 94 |
95 #endif // SHARE_VM_PRIMS_JVMTIUTIL_HPP |