Mercurial > hg > truffle
annotate src/share/vm/prims/jvmtiEnvThreadState.hpp @ 6972:bd7a7ce2e264
6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com
| author | minqi |
|---|---|
| date | Mon, 12 Nov 2012 14:03:53 -0800 |
| parents | da91efe96a93 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2012, 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 */ | |
| 1972 | 24 |
| 25 #ifndef SHARE_VM_PRIMS_JVMTIENVTHREADSTATE_HPP | |
| 26 #define SHARE_VM_PRIMS_JVMTIENVTHREADSTATE_HPP | |
| 27 | |
| 28 #include "jvmtifiles/jvmti.h" | |
| 29 #include "memory/allocation.hpp" | |
| 30 #include "memory/allocation.inline.hpp" | |
| 31 #include "oops/instanceKlass.hpp" | |
| 32 #include "prims/jvmtiEventController.hpp" | |
| 33 #include "utilities/globalDefinitions.hpp" | |
| 34 #include "utilities/growableArray.hpp" | |
| 0 | 35 |
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36 class JvmtiEnv; |
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37 |
| 0 | 38 /////////////////////////////////////////////////////////////// |
| 39 // | |
| 40 // class JvmtiFramePop | |
| 41 // Used by : JvmtiFramePops | |
| 42 // Used by JVMTI methods: none directly. | |
| 43 // | |
| 44 // Wrapper class for FramePop, used in the JvmtiFramePops class. | |
| 45 // | |
| 46 // Two problems: 1) this isn't being used as a ValueObj class, in | |
| 47 // several places there are constructors for it. 2) It seems like | |
| 48 // overkill as a means to get an assert and name the geater than | |
| 49 // operator. I'm trying to to rewrite everything. | |
| 50 | |
| 51 class JvmtiFramePop VALUE_OBJ_CLASS_SPEC { | |
| 52 private: | |
| 53 // Frame number counting from BOTTOM (oldest) frame; | |
| 54 // bottom frame == #0 | |
| 55 int _frame_number; | |
| 56 public: | |
| 57 JvmtiFramePop() {} | |
| 58 JvmtiFramePop(int frame_number) { | |
| 59 assert(frame_number >= 0, "invalid frame number"); | |
| 60 _frame_number = frame_number; | |
| 61 } | |
| 62 | |
| 63 int frame_number() { return _frame_number; } | |
| 64 int above_on_stack(JvmtiFramePop& other) { return _frame_number > other._frame_number; } | |
| 65 void print() PRODUCT_RETURN; | |
| 66 }; | |
| 67 | |
| 68 | |
| 69 /////////////////////////////////////////////////////////////// | |
| 70 // | |
| 71 // class JvmtiFramePops | |
| 72 // Used by : JvmtiThreadState | |
| 73 // Used by JVMTI methods: none directly. | |
| 74 // | |
| 75 // A collection of JvmtiFramePop. | |
| 76 // It records what frames on a threads stack should post frame_pop events when they're exited. | |
| 77 // | |
| 78 | |
| 6197 | 79 class JvmtiFramePops : public CHeapObj<mtInternal> { |
| 0 | 80 private: |
| 81 GrowableArray<int>* _pops; | |
| 82 | |
| 83 // should only be used by JvmtiEventControllerPrivate | |
| 84 // to insure they only occur at safepoints. | |
| 85 // Todo: add checks for safepoint | |
| 86 friend class JvmtiEventControllerPrivate; | |
| 87 void set(JvmtiFramePop& fp); | |
| 88 void clear(JvmtiFramePop& fp); | |
| 89 int clear_to(JvmtiFramePop& fp); | |
| 90 | |
| 91 public: | |
| 92 JvmtiFramePops(); | |
| 93 ~JvmtiFramePops(); | |
| 94 | |
| 95 bool contains(JvmtiFramePop& fp) { return _pops->contains(fp.frame_number()); } | |
| 96 int length() { return _pops->length(); } | |
| 97 void print() PRODUCT_RETURN; | |
| 98 }; | |
| 99 | |
| 100 | |
| 101 /////////////////////////////////////////////////////////////// | |
| 102 // | |
| 103 // class JvmtiEnvThreadState | |
| 104 // | |
| 105 // 2. Cache of pending frame_pop_events, created by NotifyFramePop | |
| 106 // and lazily initialized. | |
| 107 // 3: Location of last executed instruction, used to filter out duplicate | |
| 108 // events due to instruction rewriting. | |
| 109 | |
| 6197 | 110 class JvmtiEnvThreadState : public CHeapObj<mtInternal> { |
| 0 | 111 private: |
| 112 friend class JvmtiEnv; | |
| 113 JavaThread *_thread; | |
| 114 JvmtiEnv *_env; | |
| 115 JvmtiEnvThreadState *_next; | |
| 116 jmethodID _current_method_id; | |
| 117 int _current_bci; | |
| 118 bool _breakpoint_posted; | |
| 119 bool _single_stepping_posted; | |
| 120 JvmtiEnvThreadEventEnable _event_enable; | |
| 121 void *_agent_thread_local_storage_data; // per env and per thread agent allocated data. | |
| 122 | |
| 123 // Class used to store pending framepops. | |
| 124 // lazily initialized by get_frame_pops(); | |
| 125 JvmtiFramePops *_frame_pops; | |
| 126 | |
| 127 inline void set_current_location(jmethodID method_id, int bci) { | |
| 128 _current_method_id = method_id; | |
| 129 _current_bci = bci; | |
| 130 } | |
| 131 | |
| 132 friend class JvmtiEnvThreadStateIterator; | |
| 133 JvmtiEnvThreadState* next() { return _next; } | |
| 134 | |
| 135 friend class JvmtiThreadState; | |
| 136 void set_next(JvmtiEnvThreadState* link) { _next = link; } | |
| 137 | |
| 138 public: | |
| 139 JvmtiEnvThreadState(JavaThread *thread, JvmtiEnvBase *env); | |
| 140 ~JvmtiEnvThreadState(); | |
| 141 | |
| 142 bool is_enabled(jvmtiEvent event_type) { return _event_enable.is_enabled(event_type); } | |
| 143 | |
| 144 JvmtiEnvThreadEventEnable *event_enable() { return &_event_enable; } | |
| 145 void *get_agent_thread_local_storage_data() { return _agent_thread_local_storage_data; } | |
| 146 void set_agent_thread_local_storage_data (void *data) { _agent_thread_local_storage_data = data; } | |
| 147 | |
| 148 | |
| 149 // If the thread is in the given method at the given | |
| 150 // location just return. Otherwise, reset the current location | |
| 151 // and reset _breakpoint_posted and _single_stepping_posted. | |
| 152 // _breakpoint_posted and _single_stepping_posted are only cleared | |
| 153 // here. | |
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154 void compare_and_set_current_location(Method* method, address location, jvmtiEvent event); |
| 0 | 155 |
| 156 void clear_current_location() { set_current_location((jmethodID)NULL, 0); } | |
| 157 | |
| 158 void reset_current_location(jvmtiEvent event, bool enabled); | |
| 159 | |
| 160 inline void set_breakpoint_posted() { _breakpoint_posted = true; } | |
| 161 inline void set_single_stepping_posted() { | |
| 162 _single_stepping_posted = true; | |
| 163 } | |
| 164 inline bool breakpoint_posted() { return _breakpoint_posted; } | |
| 165 inline bool single_stepping_posted() { | |
| 166 return _single_stepping_posted; | |
| 167 } | |
| 168 | |
| 169 inline JavaThread *get_thread() { return _thread; } | |
| 170 inline JvmtiEnv *get_env() { return _env; } | |
| 171 | |
| 172 // lazily initialize _frame_pops | |
| 173 JvmtiFramePops* get_frame_pops(); | |
| 174 | |
| 175 bool has_frame_pops(); | |
| 176 | |
| 177 // quickly test whether we should deliver a frame pop event on return from sp | |
| 178 bool is_frame_pop(int cur_stack_depth); | |
| 179 | |
| 180 void set_frame_pop(int frame_number); | |
| 181 void clear_frame_pop(int frame_number); | |
| 182 void clear_to_frame_pop(int frame_number); | |
| 183 | |
| 184 }; | |
| 185 | |
| 1972 | 186 #endif // SHARE_VM_PRIMS_JVMTIENVTHREADSTATE_HPP |