author | redestad |
Fri, 04 Jan 2019 16:23:56 +0100 | |
changeset 53143 | 6b7240a24b56 |
parent 53032 | 89bb635ed093 |
child 53557 | 4cfe0e5a3b79 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "classfile/javaClasses.inline.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "code/nmethod.hpp" |
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#include "code/pcDesc.hpp" |
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#include "code/scopeDesc.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "jvmtifiles/jvmtiEnv.hpp" |
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#include "logging/log.hpp" |
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#include "logging/logStream.hpp" |
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#include "memory/allocation.inline.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "oops/objArrayKlass.hpp" |
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#include "oops/objArrayOop.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/jvmtiCodeBlobEvents.hpp" |
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#include "prims/jvmtiEventController.hpp" |
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#include "prims/jvmtiEventController.inline.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "prims/jvmtiImpl.hpp" |
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#include "prims/jvmtiManageCapabilities.hpp" |
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#include "prims/jvmtiRawMonitor.hpp" |
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#include "prims/jvmtiRedefineClasses.hpp" |
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#include "prims/jvmtiTagMap.hpp" |
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#include "prims/jvmtiThreadState.inline.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/fieldDescriptor.inline.hpp" |
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#include "runtime/handles.hpp" |
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#include "runtime/interfaceSupport.inline.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/jniHandles.inline.hpp" |
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#include "runtime/objectMonitor.hpp" |
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#include "runtime/objectMonitor.inline.hpp" |
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#include "runtime/os.inline.hpp" |
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#include "runtime/safepointVerifiers.hpp" |
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#include "runtime/thread.inline.hpp" |
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#include "runtime/threadSMR.hpp" |
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#include "runtime/vframe.inline.hpp" |
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#include "utilities/macros.hpp" |
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#ifdef JVMTI_TRACE |
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#define EVT_TRACE(evt,out) if ((JvmtiTrace::event_trace_flags(evt) & JvmtiTrace::SHOW_EVENT_SENT) != 0) { SafeResourceMark rm; log_trace(jvmti) out; } |
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#define EVT_TRIG_TRACE(evt,out) if ((JvmtiTrace::event_trace_flags(evt) & JvmtiTrace::SHOW_EVENT_TRIGGER) != 0) { SafeResourceMark rm; log_trace(jvmti) out; } |
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#else |
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#define EVT_TRIG_TRACE(evt,out) |
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#define EVT_TRACE(evt,out) |
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#endif |
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/////////////////////////////////////////////////////////////// |
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// |
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// JvmtiEventTransition |
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// |
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// TO DO -- |
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// more handle purging |
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// Use this for JavaThreads and state is _thread_in_vm. |
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class JvmtiJavaThreadEventTransition : StackObj { |
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private: |
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ResourceMark _rm; |
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ThreadToNativeFromVM _transition; |
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HandleMark _hm; |
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public: |
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JvmtiJavaThreadEventTransition(JavaThread *thread) : |
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_rm(), |
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_transition(thread), |
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_hm(thread) {}; |
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}; |
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// For JavaThreads which are not in _thread_in_vm state |
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// and other system threads use this. |
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class JvmtiThreadEventTransition : StackObj { |
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private: |
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ResourceMark _rm; |
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HandleMark _hm; |
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JavaThreadState _saved_state; |
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JavaThread *_jthread; |
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public: |
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JvmtiThreadEventTransition(Thread *thread) : _rm(), _hm() { |
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if (thread->is_Java_thread()) { |
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_jthread = (JavaThread *)thread; |
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_saved_state = _jthread->thread_state(); |
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if (_saved_state == _thread_in_Java) { |
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ThreadStateTransition::transition_from_java(_jthread, _thread_in_native); |
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} else { |
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ThreadStateTransition::transition(_jthread, _saved_state, _thread_in_native); |
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} |
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} else { |
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_jthread = NULL; |
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} |
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} |
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~JvmtiThreadEventTransition() { |
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if (_jthread != NULL) |
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ThreadStateTransition::transition_from_native(_jthread, _saved_state); |
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} |
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}; |
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/////////////////////////////////////////////////////////////// |
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// |
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// JvmtiEventMark |
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// |
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class JvmtiEventMark : public StackObj { |
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private: |
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JavaThread *_thread; |
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JNIEnv* _jni_env; |
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JvmtiThreadState::ExceptionState _saved_exception_state; |
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#if 0 |
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JNIHandleBlock* _hblock; |
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#endif |
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public: |
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JvmtiEventMark(JavaThread *thread) : _thread(thread), |
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_jni_env(thread->jni_environment()), |
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_saved_exception_state(JvmtiThreadState::ES_CLEARED) { |
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#if 0 |
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_hblock = thread->active_handles(); |
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_hblock->clear_thoroughly(); // so we can be safe |
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#else |
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// we want to use the code above - but that needs the JNIHandle changes - later... |
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// for now, steal JNI push local frame code |
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JvmtiThreadState *state = thread->jvmti_thread_state(); |
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// we are before an event. |
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// Save current jvmti thread exception state. |
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if (state != NULL) { |
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_saved_exception_state = state->get_exception_state(); |
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} |
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JNIHandleBlock* old_handles = thread->active_handles(); |
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JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); |
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assert(new_handles != NULL, "should not be NULL"); |
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new_handles->set_pop_frame_link(old_handles); |
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thread->set_active_handles(new_handles); |
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#endif |
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assert(thread == JavaThread::current(), "thread must be current!"); |
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thread->frame_anchor()->make_walkable(thread); |
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}; |
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~JvmtiEventMark() { |
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#if 0 |
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_hblock->clear(); // for consistency with future correct behavior |
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#else |
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// we want to use the code above - but that needs the JNIHandle changes - later... |
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// for now, steal JNI pop local frame code |
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JNIHandleBlock* old_handles = _thread->active_handles(); |
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JNIHandleBlock* new_handles = old_handles->pop_frame_link(); |
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assert(new_handles != NULL, "should not be NULL"); |
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_thread->set_active_handles(new_handles); |
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// Note that we set the pop_frame_link to NULL explicitly, otherwise |
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// the release_block call will release the blocks. |
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old_handles->set_pop_frame_link(NULL); |
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JNIHandleBlock::release_block(old_handles, _thread); // may block |
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#endif |
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JvmtiThreadState* state = _thread->jvmti_thread_state(); |
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// we are continuing after an event. |
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if (state != NULL) { |
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// Restore the jvmti thread exception state. |
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state->restore_exception_state(_saved_exception_state); |
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} |
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} |
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#if 0 |
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jobject to_jobject(oop obj) { return obj == NULL? NULL : _hblock->allocate_handle_fast(obj); } |
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#else |
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// we want to use the code above - but that needs the JNIHandle changes - later... |
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// for now, use regular make_local |
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jobject to_jobject(oop obj) { return JNIHandles::make_local(_thread,obj); } |
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#endif |
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jclass to_jclass(Klass* klass) { return (klass == NULL ? NULL : (jclass)to_jobject(klass->java_mirror())); } |
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jmethodID to_jmethodID(const methodHandle& method) { return method->jmethod_id(); } |
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JNIEnv* jni_env() { return _jni_env; } |
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}; |
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class JvmtiThreadEventMark : public JvmtiEventMark { |
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private: |
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jthread _jt; |
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public: |
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JvmtiThreadEventMark(JavaThread *thread) : |
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211 |
JvmtiEventMark(thread) { |
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_jt = (jthread)(to_jobject(thread->threadObj())); |
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213 |
}; |
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jthread jni_thread() { return _jt; } |
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215 |
}; |
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class JvmtiClassEventMark : public JvmtiThreadEventMark { |
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private: |
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jclass _jc; |
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public: |
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JvmtiClassEventMark(JavaThread *thread, Klass* klass) : |
1 | 223 |
JvmtiThreadEventMark(thread) { |
224 |
_jc = to_jclass(klass); |
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}; |
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jclass jni_class() { return _jc; } |
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}; |
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class JvmtiMethodEventMark : public JvmtiThreadEventMark { |
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private: |
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jmethodID _mid; |
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public: |
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JvmtiMethodEventMark(JavaThread *thread, const methodHandle& method) : |
1 | 235 |
JvmtiThreadEventMark(thread), |
236 |
_mid(to_jmethodID(method)) {}; |
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237 |
jmethodID jni_methodID() { return _mid; } |
|
238 |
}; |
|
239 |
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240 |
class JvmtiLocationEventMark : public JvmtiMethodEventMark { |
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private: |
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jlocation _loc; |
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public: |
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JvmtiLocationEventMark(JavaThread *thread, const methodHandle& method, address location) : |
1 | 246 |
JvmtiMethodEventMark(thread, method), |
247 |
_loc(location - method->code_base()) {}; |
|
248 |
jlocation location() { return _loc; } |
|
249 |
}; |
|
250 |
||
251 |
class JvmtiExceptionEventMark : public JvmtiLocationEventMark { |
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252 |
private: |
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jobject _exc; |
|
254 |
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public: |
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JvmtiExceptionEventMark(JavaThread *thread, const methodHandle& method, address location, Handle exception) : |
1 | 257 |
JvmtiLocationEventMark(thread, method, location), |
258 |
_exc(to_jobject(exception())) {}; |
|
259 |
jobject exception() { return _exc; } |
|
260 |
}; |
|
261 |
||
262 |
class JvmtiClassFileLoadEventMark : public JvmtiThreadEventMark { |
|
263 |
private: |
|
264 |
const char *_class_name; |
|
265 |
jobject _jloader; |
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266 |
jobject _protection_domain; |
|
267 |
jclass _class_being_redefined; |
|
268 |
||
269 |
public: |
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JvmtiClassFileLoadEventMark(JavaThread *thread, Symbol* name, |
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Handle class_loader, Handle prot_domain, Klass* class_being_redefined) : JvmtiThreadEventMark(thread) { |
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_class_name = name != NULL? name->as_utf8() : NULL; |
1 | 273 |
_jloader = (jobject)to_jobject(class_loader()); |
274 |
_protection_domain = (jobject)to_jobject(prot_domain()); |
|
275 |
if (class_being_redefined == NULL) { |
|
276 |
_class_being_redefined = NULL; |
|
277 |
} else { |
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_class_being_redefined = (jclass)to_jclass(class_being_redefined); |
1 | 279 |
} |
280 |
}; |
|
281 |
const char *class_name() { |
|
282 |
return _class_name; |
|
283 |
} |
|
284 |
jobject jloader() { |
|
285 |
return _jloader; |
|
286 |
} |
|
287 |
jobject protection_domain() { |
|
288 |
return _protection_domain; |
|
289 |
} |
|
290 |
jclass class_being_redefined() { |
|
291 |
return _class_being_redefined; |
|
292 |
} |
|
293 |
}; |
|
294 |
||
295 |
////////////////////////////////////////////////////////////////////////////// |
|
296 |
||
297 |
int JvmtiExport::_field_access_count = 0; |
|
298 |
int JvmtiExport::_field_modification_count = 0; |
|
299 |
||
300 |
bool JvmtiExport::_can_access_local_variables = false; |
|
301 |
bool JvmtiExport::_can_hotswap_or_post_breakpoint = false; |
|
302 |
bool JvmtiExport::_can_modify_any_class = false; |
|
303 |
bool JvmtiExport::_can_walk_any_space = false; |
|
304 |
||
305 |
bool JvmtiExport::_has_redefined_a_class = false; |
|
306 |
bool JvmtiExport::_all_dependencies_are_recorded = false; |
|
307 |
||
308 |
// |
|
309 |
// field access management |
|
310 |
// |
|
311 |
||
312 |
// interpreter generator needs the address of the counter |
|
313 |
address JvmtiExport::get_field_access_count_addr() { |
|
314 |
// We don't grab a lock because we don't want to |
|
315 |
// serialize field access between all threads. This means that a |
|
316 |
// thread on another processor can see the wrong count value and |
|
317 |
// may either miss making a needed call into post_field_access() |
|
318 |
// or will make an unneeded call into post_field_access(). We pay |
|
319 |
// this price to avoid slowing down the VM when we aren't watching |
|
320 |
// field accesses. |
|
321 |
// Other access/mutation safe by virtue of being in VM state. |
|
322 |
return (address)(&_field_access_count); |
|
323 |
} |
|
324 |
||
325 |
// |
|
326 |
// field modification management |
|
327 |
// |
|
328 |
||
329 |
// interpreter generator needs the address of the counter |
|
330 |
address JvmtiExport::get_field_modification_count_addr() { |
|
331 |
// We don't grab a lock because we don't |
|
332 |
// want to serialize field modification between all threads. This |
|
333 |
// means that a thread on another processor can see the wrong |
|
334 |
// count value and may either miss making a needed call into |
|
335 |
// post_field_modification() or will make an unneeded call into |
|
336 |
// post_field_modification(). We pay this price to avoid slowing |
|
337 |
// down the VM when we aren't watching field modifications. |
|
338 |
// Other access/mutation safe by virtue of being in VM state. |
|
339 |
return (address)(&_field_modification_count); |
|
340 |
} |
|
341 |
||
342 |
||
343 |
/////////////////////////////////////////////////////////////// |
|
344 |
// Functions needed by java.lang.instrument for starting up javaagent. |
|
345 |
/////////////////////////////////////////////////////////////// |
|
346 |
||
347 |
jint |
|
348 |
JvmtiExport::get_jvmti_interface(JavaVM *jvm, void **penv, jint version) { |
|
4491 | 349 |
// The JVMTI_VERSION_INTERFACE_JVMTI part of the version number |
350 |
// has already been validated in JNI GetEnv(). |
|
351 |
int major, minor, micro; |
|
352 |
||
353 |
// micro version doesn't matter here (yet?) |
|
354 |
decode_version_values(version, &major, &minor, µ); |
|
355 |
switch (major) { |
|
7413 | 356 |
case 1: |
4491 | 357 |
switch (minor) { |
7413 | 358 |
case 0: // version 1.0.<micro> is recognized |
359 |
case 1: // version 1.1.<micro> is recognized |
|
360 |
case 2: // version 1.2.<micro> is recognized |
|
4491 | 361 |
break; |
362 |
||
7413 | 363 |
default: |
4491 | 364 |
return JNI_EVERSION; // unsupported minor version number |
365 |
} |
|
366 |
break; |
|
36508 | 367 |
case 9: |
368 |
switch (minor) { |
|
369 |
case 0: // version 9.0.<micro> is recognized |
|
370 |
break; |
|
371 |
default: |
|
372 |
return JNI_EVERSION; // unsupported minor version number |
|
373 |
} |
|
374 |
break; |
|
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50578
diff
changeset
|
375 |
case 11: |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50578
diff
changeset
|
376 |
switch (minor) { |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50578
diff
changeset
|
377 |
case 0: // version 11.0.<micro> is recognized |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50578
diff
changeset
|
378 |
break; |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50578
diff
changeset
|
379 |
default: |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50578
diff
changeset
|
380 |
return JNI_EVERSION; // unsupported minor version number |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50578
diff
changeset
|
381 |
} |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50578
diff
changeset
|
382 |
break; |
7413 | 383 |
default: |
4491 | 384 |
return JNI_EVERSION; // unsupported major version number |
385 |
} |
|
1 | 386 |
|
387 |
if (JvmtiEnv::get_phase() == JVMTI_PHASE_LIVE) { |
|
34633
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents:
33148
diff
changeset
|
388 |
JavaThread* current_thread = JavaThread::current(); |
1 | 389 |
// transition code: native to VM |
390 |
ThreadInVMfromNative __tiv(current_thread); |
|
10969
3ecf25293e5a
7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
never
parents:
9405
diff
changeset
|
391 |
VM_ENTRY_BASE(jvmtiEnv*, JvmtiExport::get_jvmti_interface, current_thread) |
1 | 392 |
debug_only(VMNativeEntryWrapper __vew;) |
393 |
||
4491 | 394 |
JvmtiEnv *jvmti_env = JvmtiEnv::create_a_jvmti(version); |
1 | 395 |
*penv = jvmti_env->jvmti_external(); // actual type is jvmtiEnv* -- not to be confused with JvmtiEnv* |
396 |
return JNI_OK; |
|
397 |
||
398 |
} else if (JvmtiEnv::get_phase() == JVMTI_PHASE_ONLOAD) { |
|
399 |
// not live, no thread to transition |
|
4491 | 400 |
JvmtiEnv *jvmti_env = JvmtiEnv::create_a_jvmti(version); |
1 | 401 |
*penv = jvmti_env->jvmti_external(); // actual type is jvmtiEnv* -- not to be confused with JvmtiEnv* |
402 |
return JNI_OK; |
|
403 |
||
404 |
} else { |
|
405 |
// Called at the wrong time |
|
406 |
*penv = NULL; |
|
407 |
return JNI_EDETACHED; |
|
408 |
} |
|
409 |
} |
|
410 |
||
36508 | 411 |
void |
412 |
JvmtiExport::add_default_read_edges(Handle h_module, TRAPS) { |
|
413 |
if (!Universe::is_module_initialized()) { |
|
414 |
return; // extra safety |
|
415 |
} |
|
416 |
assert(!h_module.is_null(), "module should always be set"); |
|
417 |
||
418 |
// Invoke the transformedByAgent method |
|
419 |
JavaValue result(T_VOID); |
|
420 |
JavaCalls::call_static(&result, |
|
421 |
SystemDictionary::module_Modules_klass(), |
|
422 |
vmSymbols::transformedByAgent_name(), |
|
423 |
vmSymbols::transformedByAgent_signature(), |
|
424 |
h_module, |
|
425 |
THREAD); |
|
426 |
||
427 |
if (HAS_PENDING_EXCEPTION) { |
|
37992 | 428 |
LogTarget(Trace, jvmti) log; |
46701
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46458
diff
changeset
|
429 |
LogStream log_stream(log); |
37992 | 430 |
java_lang_Throwable::print(PENDING_EXCEPTION, &log_stream); |
38001
6a1924ec5269
8154728: JvmtiExport::add_default_read_edges hits a guarantee
rehn
parents:
37992
diff
changeset
|
431 |
log_stream.cr(); |
36508 | 432 |
CLEAR_PENDING_EXCEPTION; |
433 |
return; |
|
434 |
} |
|
435 |
} |
|
4491 | 436 |
|
42307
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
437 |
jvmtiError |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
438 |
JvmtiExport::add_module_reads(Handle module, Handle to_module, TRAPS) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
439 |
if (!Universe::is_module_initialized()) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
440 |
return JVMTI_ERROR_NONE; // extra safety |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
441 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
442 |
assert(!module.is_null(), "module should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
443 |
assert(!to_module.is_null(), "to_module should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
444 |
|
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
445 |
// Invoke the addReads method |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
446 |
JavaValue result(T_VOID); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
447 |
JavaCalls::call_static(&result, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
448 |
SystemDictionary::module_Modules_klass(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
449 |
vmSymbols::addReads_name(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
450 |
vmSymbols::addReads_signature(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
451 |
module, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
452 |
to_module, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
453 |
THREAD); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
454 |
|
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
455 |
if (HAS_PENDING_EXCEPTION) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
456 |
LogTarget(Trace, jvmti) log; |
46701
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46458
diff
changeset
|
457 |
LogStream log_stream(log); |
42307
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
458 |
java_lang_Throwable::print(PENDING_EXCEPTION, &log_stream); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
459 |
log_stream.cr(); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
460 |
CLEAR_PENDING_EXCEPTION; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
461 |
return JVMTI_ERROR_INTERNAL; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
462 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
463 |
return JVMTI_ERROR_NONE; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
464 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
465 |
|
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
466 |
jvmtiError |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
467 |
JvmtiExport::add_module_exports(Handle module, Handle pkg_name, Handle to_module, TRAPS) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
468 |
if (!Universe::is_module_initialized()) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
469 |
return JVMTI_ERROR_NONE; // extra safety |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
470 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
471 |
assert(!module.is_null(), "module should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
472 |
assert(!to_module.is_null(), "to_module should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
473 |
assert(!pkg_name.is_null(), "pkg_name should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
474 |
|
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
475 |
// Invoke the addExports method |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
476 |
JavaValue result(T_VOID); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
477 |
JavaCalls::call_static(&result, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
478 |
SystemDictionary::module_Modules_klass(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
479 |
vmSymbols::addExports_name(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
480 |
vmSymbols::addExports_signature(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
481 |
module, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
482 |
pkg_name, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
483 |
to_module, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
484 |
THREAD); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
485 |
|
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
486 |
if (HAS_PENDING_EXCEPTION) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
487 |
Symbol* ex_name = PENDING_EXCEPTION->klass()->name(); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
488 |
LogTarget(Trace, jvmti) log; |
46701
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46458
diff
changeset
|
489 |
LogStream log_stream(log); |
42307
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
490 |
java_lang_Throwable::print(PENDING_EXCEPTION, &log_stream); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
491 |
log_stream.cr(); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
492 |
CLEAR_PENDING_EXCEPTION; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
493 |
if (ex_name == vmSymbols::java_lang_IllegalArgumentException()) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
494 |
return JVMTI_ERROR_ILLEGAL_ARGUMENT; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
495 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
496 |
return JVMTI_ERROR_INTERNAL; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
497 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
498 |
return JVMTI_ERROR_NONE; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
499 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
500 |
|
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
501 |
jvmtiError |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
502 |
JvmtiExport::add_module_opens(Handle module, Handle pkg_name, Handle to_module, TRAPS) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
503 |
if (!Universe::is_module_initialized()) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
504 |
return JVMTI_ERROR_NONE; // extra safety |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
505 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
506 |
assert(!module.is_null(), "module should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
507 |
assert(!to_module.is_null(), "to_module should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
508 |
assert(!pkg_name.is_null(), "pkg_name should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
509 |
|
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
510 |
// Invoke the addOpens method |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
511 |
JavaValue result(T_VOID); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
512 |
JavaCalls::call_static(&result, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
513 |
SystemDictionary::module_Modules_klass(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
514 |
vmSymbols::addOpens_name(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
515 |
vmSymbols::addExports_signature(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
516 |
module, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
517 |
pkg_name, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
518 |
to_module, |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
519 |
THREAD); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
520 |
|
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
521 |
if (HAS_PENDING_EXCEPTION) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
522 |
Symbol* ex_name = PENDING_EXCEPTION->klass()->name(); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
523 |
LogTarget(Trace, jvmti) log; |
46701
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46458
diff
changeset
|
524 |
LogStream log_stream(log); |
42307
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
525 |
java_lang_Throwable::print(PENDING_EXCEPTION, &log_stream); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
526 |
log_stream.cr(); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
527 |
CLEAR_PENDING_EXCEPTION; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
528 |
if (ex_name == vmSymbols::java_lang_IllegalArgumentException()) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
529 |
return JVMTI_ERROR_ILLEGAL_ARGUMENT; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
530 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
531 |
return JVMTI_ERROR_INTERNAL; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
532 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
533 |
return JVMTI_ERROR_NONE; |
cefc81dc1d52
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alanb
parents:
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diff
changeset
|
534 |
} |
cefc81dc1d52
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diff
changeset
|
535 |
|
cefc81dc1d52
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diff
changeset
|
536 |
jvmtiError |
cefc81dc1d52
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diff
changeset
|
537 |
JvmtiExport::add_module_uses(Handle module, Handle service, TRAPS) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
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parents:
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diff
changeset
|
538 |
if (!Universe::is_module_initialized()) { |
cefc81dc1d52
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parents:
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diff
changeset
|
539 |
return JVMTI_ERROR_NONE; // extra safety |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
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diff
changeset
|
540 |
} |
cefc81dc1d52
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diff
changeset
|
541 |
assert(!module.is_null(), "module should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
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diff
changeset
|
542 |
assert(!service.is_null(), "service should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
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diff
changeset
|
543 |
|
cefc81dc1d52
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parents:
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diff
changeset
|
544 |
// Invoke the addUses method |
cefc81dc1d52
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diff
changeset
|
545 |
JavaValue result(T_VOID); |
cefc81dc1d52
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parents:
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diff
changeset
|
546 |
JavaCalls::call_static(&result, |
cefc81dc1d52
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parents:
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diff
changeset
|
547 |
SystemDictionary::module_Modules_klass(), |
cefc81dc1d52
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alanb
parents:
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diff
changeset
|
548 |
vmSymbols::addUses_name(), |
cefc81dc1d52
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parents:
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diff
changeset
|
549 |
vmSymbols::addUses_signature(), |
cefc81dc1d52
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parents:
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diff
changeset
|
550 |
module, |
cefc81dc1d52
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diff
changeset
|
551 |
service, |
cefc81dc1d52
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parents:
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diff
changeset
|
552 |
THREAD); |
cefc81dc1d52
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parents:
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diff
changeset
|
553 |
|
cefc81dc1d52
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diff
changeset
|
554 |
if (HAS_PENDING_EXCEPTION) { |
cefc81dc1d52
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alanb
parents:
41078
diff
changeset
|
555 |
LogTarget(Trace, jvmti) log; |
46701
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46458
diff
changeset
|
556 |
LogStream log_stream(log); |
42307
cefc81dc1d52
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parents:
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diff
changeset
|
557 |
java_lang_Throwable::print(PENDING_EXCEPTION, &log_stream); |
cefc81dc1d52
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alanb
parents:
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diff
changeset
|
558 |
log_stream.cr(); |
cefc81dc1d52
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parents:
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diff
changeset
|
559 |
CLEAR_PENDING_EXCEPTION; |
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parents:
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diff
changeset
|
560 |
return JVMTI_ERROR_INTERNAL; |
cefc81dc1d52
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alanb
parents:
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diff
changeset
|
561 |
} |
cefc81dc1d52
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parents:
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diff
changeset
|
562 |
return JVMTI_ERROR_NONE; |
cefc81dc1d52
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alanb
parents:
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diff
changeset
|
563 |
} |
cefc81dc1d52
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parents:
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diff
changeset
|
564 |
|
cefc81dc1d52
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diff
changeset
|
565 |
jvmtiError |
cefc81dc1d52
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diff
changeset
|
566 |
JvmtiExport::add_module_provides(Handle module, Handle service, Handle impl_class, TRAPS) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
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diff
changeset
|
567 |
if (!Universe::is_module_initialized()) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
568 |
return JVMTI_ERROR_NONE; // extra safety |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
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diff
changeset
|
569 |
} |
cefc81dc1d52
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parents:
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diff
changeset
|
570 |
assert(!module.is_null(), "module should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
571 |
assert(!service.is_null(), "service should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
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diff
changeset
|
572 |
assert(!impl_class.is_null(), "impl_class should always be set"); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
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diff
changeset
|
573 |
|
cefc81dc1d52
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parents:
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diff
changeset
|
574 |
// Invoke the addProvides method |
cefc81dc1d52
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parents:
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diff
changeset
|
575 |
JavaValue result(T_VOID); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
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parents:
41078
diff
changeset
|
576 |
JavaCalls::call_static(&result, |
cefc81dc1d52
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alanb
parents:
41078
diff
changeset
|
577 |
SystemDictionary::module_Modules_klass(), |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
578 |
vmSymbols::addProvides_name(), |
cefc81dc1d52
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parents:
41078
diff
changeset
|
579 |
vmSymbols::addProvides_signature(), |
cefc81dc1d52
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alanb
parents:
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diff
changeset
|
580 |
module, |
cefc81dc1d52
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alanb
parents:
41078
diff
changeset
|
581 |
service, |
cefc81dc1d52
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alanb
parents:
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diff
changeset
|
582 |
impl_class, |
cefc81dc1d52
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alanb
parents:
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diff
changeset
|
583 |
THREAD); |
cefc81dc1d52
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parents:
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diff
changeset
|
584 |
|
cefc81dc1d52
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alanb
parents:
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diff
changeset
|
585 |
if (HAS_PENDING_EXCEPTION) { |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
586 |
LogTarget(Trace, jvmti) log; |
46701
f559541c0daa
8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents:
46458
diff
changeset
|
587 |
LogStream log_stream(log); |
42307
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
588 |
java_lang_Throwable::print(PENDING_EXCEPTION, &log_stream); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
589 |
log_stream.cr(); |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
590 |
CLEAR_PENDING_EXCEPTION; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
591 |
return JVMTI_ERROR_INTERNAL; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
592 |
} |
cefc81dc1d52
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alanb
parents:
41078
diff
changeset
|
593 |
return JVMTI_ERROR_NONE; |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
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diff
changeset
|
594 |
} |
cefc81dc1d52
8169069: Module system implementation refresh (11/2016)
alanb
parents:
41078
diff
changeset
|
595 |
|
4491 | 596 |
void |
597 |
JvmtiExport::decode_version_values(jint version, int * major, int * minor, |
|
598 |
int * micro) { |
|
599 |
*major = (version & JVMTI_VERSION_MASK_MAJOR) >> JVMTI_VERSION_SHIFT_MAJOR; |
|
600 |
*minor = (version & JVMTI_VERSION_MASK_MINOR) >> JVMTI_VERSION_SHIFT_MINOR; |
|
601 |
*micro = (version & JVMTI_VERSION_MASK_MICRO) >> JVMTI_VERSION_SHIFT_MICRO; |
|
602 |
} |
|
603 |
||
1 | 604 |
void JvmtiExport::enter_primordial_phase() { |
605 |
JvmtiEnvBase::set_phase(JVMTI_PHASE_PRIMORDIAL); |
|
606 |
} |
|
607 |
||
36508 | 608 |
void JvmtiExport::enter_early_start_phase() { |
609 |
set_early_vmstart_recorded(true); |
|
610 |
} |
|
611 |
||
1 | 612 |
void JvmtiExport::enter_start_phase() { |
613 |
JvmtiEnvBase::set_phase(JVMTI_PHASE_START); |
|
614 |
} |
|
615 |
||
616 |
void JvmtiExport::enter_onload_phase() { |
|
617 |
JvmtiEnvBase::set_phase(JVMTI_PHASE_ONLOAD); |
|
618 |
} |
|
619 |
||
620 |
void JvmtiExport::enter_live_phase() { |
|
621 |
JvmtiEnvBase::set_phase(JVMTI_PHASE_LIVE); |
|
622 |
} |
|
623 |
||
624 |
// |
|
625 |
// JVMTI events that the VM posts to the debugger and also startup agent |
|
626 |
// and call the agent's premain() for java.lang.instrument. |
|
627 |
// |
|
628 |
||
36508 | 629 |
void JvmtiExport::post_early_vm_start() { |
37992 | 630 |
EVT_TRIG_TRACE(JVMTI_EVENT_VM_START, ("Trg Early VM start event triggered" )); |
36508 | 631 |
|
632 |
// can now enable some events |
|
633 |
JvmtiEventController::vm_start(); |
|
634 |
||
635 |
JvmtiEnvIterator it; |
|
636 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
637 |
// Only early vmstart envs post early VMStart event |
|
638 |
if (env->early_vmstart_env() && env->is_enabled(JVMTI_EVENT_VM_START)) { |
|
37992 | 639 |
EVT_TRACE(JVMTI_EVENT_VM_START, ("Evt Early VM start event sent" )); |
36508 | 640 |
JavaThread *thread = JavaThread::current(); |
641 |
JvmtiThreadEventMark jem(thread); |
|
642 |
JvmtiJavaThreadEventTransition jet(thread); |
|
643 |
jvmtiEventVMStart callback = env->callbacks()->VMStart; |
|
644 |
if (callback != NULL) { |
|
645 |
(*callback)(env->jvmti_external(), jem.jni_env()); |
|
646 |
} |
|
647 |
} |
|
648 |
} |
|
649 |
} |
|
650 |
||
1 | 651 |
void JvmtiExport::post_vm_start() { |
37992 | 652 |
EVT_TRIG_TRACE(JVMTI_EVENT_VM_START, ("Trg VM start event triggered" )); |
1 | 653 |
|
654 |
// can now enable some events |
|
655 |
JvmtiEventController::vm_start(); |
|
656 |
||
657 |
JvmtiEnvIterator it; |
|
658 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
36508 | 659 |
// Early vmstart envs do not post normal VMStart event |
660 |
if (!env->early_vmstart_env() && env->is_enabled(JVMTI_EVENT_VM_START)) { |
|
37992 | 661 |
EVT_TRACE(JVMTI_EVENT_VM_START, ("Evt VM start event sent" )); |
1 | 662 |
|
663 |
JavaThread *thread = JavaThread::current(); |
|
664 |
JvmtiThreadEventMark jem(thread); |
|
665 |
JvmtiJavaThreadEventTransition jet(thread); |
|
666 |
jvmtiEventVMStart callback = env->callbacks()->VMStart; |
|
667 |
if (callback != NULL) { |
|
668 |
(*callback)(env->jvmti_external(), jem.jni_env()); |
|
669 |
} |
|
670 |
} |
|
671 |
} |
|
672 |
} |
|
673 |
||
674 |
||
675 |
void JvmtiExport::post_vm_initialized() { |
|
37992 | 676 |
EVT_TRIG_TRACE(JVMTI_EVENT_VM_INIT, ("Trg VM init event triggered" )); |
1 | 677 |
|
678 |
// can now enable events |
|
679 |
JvmtiEventController::vm_init(); |
|
680 |
||
681 |
JvmtiEnvIterator it; |
|
682 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
683 |
if (env->is_enabled(JVMTI_EVENT_VM_INIT)) { |
|
37992 | 684 |
EVT_TRACE(JVMTI_EVENT_VM_INIT, ("Evt VM init event sent" )); |
1 | 685 |
|
686 |
JavaThread *thread = JavaThread::current(); |
|
687 |
JvmtiThreadEventMark jem(thread); |
|
688 |
JvmtiJavaThreadEventTransition jet(thread); |
|
689 |
jvmtiEventVMInit callback = env->callbacks()->VMInit; |
|
690 |
if (callback != NULL) { |
|
691 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread()); |
|
692 |
} |
|
693 |
} |
|
694 |
} |
|
695 |
} |
|
696 |
||
697 |
||
698 |
void JvmtiExport::post_vm_death() { |
|
37992 | 699 |
EVT_TRIG_TRACE(JVMTI_EVENT_VM_DEATH, ("Trg VM death event triggered" )); |
1 | 700 |
|
701 |
JvmtiEnvIterator it; |
|
702 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
703 |
if (env->is_enabled(JVMTI_EVENT_VM_DEATH)) { |
|
37992 | 704 |
EVT_TRACE(JVMTI_EVENT_VM_DEATH, ("Evt VM death event sent" )); |
1 | 705 |
|
706 |
JavaThread *thread = JavaThread::current(); |
|
707 |
JvmtiEventMark jem(thread); |
|
708 |
JvmtiJavaThreadEventTransition jet(thread); |
|
709 |
jvmtiEventVMDeath callback = env->callbacks()->VMDeath; |
|
710 |
if (callback != NULL) { |
|
711 |
(*callback)(env->jvmti_external(), jem.jni_env()); |
|
712 |
} |
|
713 |
} |
|
714 |
} |
|
715 |
||
716 |
JvmtiEnvBase::set_phase(JVMTI_PHASE_DEAD); |
|
717 |
JvmtiEventController::vm_death(); |
|
718 |
} |
|
719 |
||
720 |
char** |
|
721 |
JvmtiExport::get_all_native_method_prefixes(int* count_ptr) { |
|
722 |
// Have to grab JVMTI thread state lock to be sure environment doesn't |
|
723 |
// go away while we iterate them. No locks during VM bring-up. |
|
724 |
if (Threads::number_of_threads() == 0 || SafepointSynchronize::is_at_safepoint()) { |
|
725 |
return JvmtiEnvBase::get_all_native_method_prefixes(count_ptr); |
|
726 |
} else { |
|
727 |
MutexLocker mu(JvmtiThreadState_lock); |
|
728 |
return JvmtiEnvBase::get_all_native_method_prefixes(count_ptr); |
|
729 |
} |
|
730 |
} |
|
731 |
||
48105
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
732 |
// Convert an external thread reference to a JavaThread found on the |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
733 |
// specified ThreadsList. The ThreadsListHandle in the caller "protects" |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
734 |
// the returned JavaThread *. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
735 |
// |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
736 |
// If thread_oop_p is not NULL, then the caller wants to use the oop |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
737 |
// after this call so the oop is returned. On success, *jt_pp is set |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
738 |
// to the converted JavaThread * and JVMTI_ERROR_NONE is returned. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
739 |
// On error, returns various JVMTI_ERROR_* values. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
740 |
// |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
741 |
jvmtiError |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
742 |
JvmtiExport::cv_external_thread_to_JavaThread(ThreadsList * t_list, |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
743 |
jthread thread, |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
744 |
JavaThread ** jt_pp, |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
745 |
oop * thread_oop_p) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
746 |
assert(t_list != NULL, "must have a ThreadsList"); |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
747 |
assert(jt_pp != NULL, "must have a return JavaThread pointer"); |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
748 |
// thread_oop_p is optional so no assert() |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
749 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
750 |
oop thread_oop = JNIHandles::resolve_external_guard(thread); |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
751 |
if (thread_oop == NULL) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
752 |
// NULL jthread, GC'ed jthread or a bad JNI handle. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
753 |
return JVMTI_ERROR_INVALID_THREAD; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
754 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
755 |
// Looks like an oop at this point. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
756 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
757 |
if (!thread_oop->is_a(SystemDictionary::Thread_klass())) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
758 |
// The oop is not a java.lang.Thread. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
759 |
return JVMTI_ERROR_INVALID_THREAD; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
760 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
761 |
// Looks like a java.lang.Thread oop at this point. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
762 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
763 |
if (thread_oop_p != NULL) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
764 |
// Return the oop to the caller; the caller may still want |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
765 |
// the oop even if this function returns an error. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
766 |
*thread_oop_p = thread_oop; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
767 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
768 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
769 |
JavaThread * java_thread = java_lang_Thread::thread(thread_oop); |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
770 |
if (java_thread == NULL) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
771 |
// The java.lang.Thread does not contain a JavaThread * so it has |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
772 |
// not yet run or it has died. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
773 |
return JVMTI_ERROR_THREAD_NOT_ALIVE; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
774 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
775 |
// Looks like a live JavaThread at this point. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
776 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
777 |
// We do not check the EnableThreadSMRExtraValidityChecks option |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
778 |
// for this includes() call because JVM/TI's spec is tighter. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
779 |
if (!t_list->includes(java_thread)) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
780 |
// Not on the JavaThreads list so it is not alive. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
781 |
return JVMTI_ERROR_THREAD_NOT_ALIVE; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
782 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
783 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
784 |
// Return a live JavaThread that is "protected" by the |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
785 |
// ThreadsListHandle in the caller. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
786 |
*jt_pp = java_thread; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
787 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
788 |
return JVMTI_ERROR_NONE; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
789 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
790 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
791 |
// Convert an oop to a JavaThread found on the specified ThreadsList. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
792 |
// The ThreadsListHandle in the caller "protects" the returned |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
793 |
// JavaThread *. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
794 |
// |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
795 |
// On success, *jt_pp is set to the converted JavaThread * and |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
796 |
// JVMTI_ERROR_NONE is returned. On error, returns various |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
797 |
// JVMTI_ERROR_* values. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
798 |
// |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
799 |
jvmtiError |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
800 |
JvmtiExport::cv_oop_to_JavaThread(ThreadsList * t_list, oop thread_oop, |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
801 |
JavaThread ** jt_pp) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
802 |
assert(t_list != NULL, "must have a ThreadsList"); |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
803 |
assert(thread_oop != NULL, "must have an oop"); |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
804 |
assert(jt_pp != NULL, "must have a return JavaThread pointer"); |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
805 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
806 |
if (!thread_oop->is_a(SystemDictionary::Thread_klass())) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
807 |
// The oop is not a java.lang.Thread. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
808 |
return JVMTI_ERROR_INVALID_THREAD; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
809 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
810 |
// Looks like a java.lang.Thread oop at this point. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
811 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
812 |
JavaThread * java_thread = java_lang_Thread::thread(thread_oop); |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
813 |
if (java_thread == NULL) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
814 |
// The java.lang.Thread does not contain a JavaThread * so it has |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
815 |
// not yet run or it has died. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
816 |
return JVMTI_ERROR_THREAD_NOT_ALIVE; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
817 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
818 |
// Looks like a live JavaThread at this point. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
819 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
820 |
// We do not check the EnableThreadSMRExtraValidityChecks option |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
821 |
// for this includes() call because JVM/TI's spec is tighter. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
822 |
if (!t_list->includes(java_thread)) { |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
823 |
// Not on the JavaThreads list so it is not alive. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
824 |
return JVMTI_ERROR_THREAD_NOT_ALIVE; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
825 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
826 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
827 |
// Return a live JavaThread that is "protected" by the |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
828 |
// ThreadsListHandle in the caller. |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
829 |
*jt_pp = java_thread; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
830 |
|
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
831 |
return JVMTI_ERROR_NONE; |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
832 |
} |
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
833 |
|
1 | 834 |
class JvmtiClassFileLoadHookPoster : public StackObj { |
835 |
private: |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7918
diff
changeset
|
836 |
Symbol* _h_name; |
1 | 837 |
Handle _class_loader; |
838 |
Handle _h_protection_domain; |
|
839 |
unsigned char ** _data_ptr; |
|
840 |
unsigned char ** _end_ptr; |
|
841 |
JavaThread * _thread; |
|
842 |
jint _curr_len; |
|
843 |
unsigned char * _curr_data; |
|
844 |
JvmtiEnv * _curr_env; |
|
18940
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
845 |
JvmtiCachedClassFileData ** _cached_class_file_ptr; |
1 | 846 |
JvmtiThreadState * _state; |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
847 |
Klass* _class_being_redefined; |
1 | 848 |
JvmtiClassLoadKind _load_kind; |
42650 | 849 |
bool _has_been_modified; |
1 | 850 |
|
851 |
public: |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7918
diff
changeset
|
852 |
inline JvmtiClassFileLoadHookPoster(Symbol* h_name, Handle class_loader, |
1 | 853 |
Handle h_protection_domain, |
854 |
unsigned char **data_ptr, unsigned char **end_ptr, |
|
18940
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
855 |
JvmtiCachedClassFileData **cache_ptr) { |
1 | 856 |
_h_name = h_name; |
857 |
_class_loader = class_loader; |
|
858 |
_h_protection_domain = h_protection_domain; |
|
859 |
_data_ptr = data_ptr; |
|
860 |
_end_ptr = end_ptr; |
|
861 |
_thread = JavaThread::current(); |
|
862 |
_curr_len = *end_ptr - *data_ptr; |
|
863 |
_curr_data = *data_ptr; |
|
864 |
_curr_env = NULL; |
|
18940
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
865 |
_cached_class_file_ptr = cache_ptr; |
42650 | 866 |
_has_been_modified = false; |
1 | 867 |
|
868 |
_state = _thread->jvmti_thread_state(); |
|
869 |
if (_state != NULL) { |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
870 |
_class_being_redefined = _state->get_class_being_redefined(); |
1 | 871 |
_load_kind = _state->get_class_load_kind(); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
872 |
Klass* klass = (_class_being_redefined == NULL) ? NULL : _class_being_redefined; |
36508 | 873 |
if (_load_kind != jvmti_class_load_kind_load && klass != NULL) { |
874 |
ModuleEntry* module_entry = InstanceKlass::cast(klass)->module(); |
|
875 |
assert(module_entry != NULL, "module_entry should always be set"); |
|
876 |
if (module_entry->is_named() && |
|
46961
c9094b1e5f87
8186088: ConstantPoolCache::_resolved_references is not a JNIHandle
coleenp
parents:
46773
diff
changeset
|
877 |
module_entry->module() != NULL && |
36508 | 878 |
!module_entry->has_default_read_edges()) { |
879 |
if (!module_entry->set_has_default_read_edges()) { |
|
880 |
// We won a potential race. |
|
881 |
// Add read edges to the unnamed modules of the bootstrap and app class loaders |
|
46773
fb17cc9a6847
8185717: Make ModuleEntry->module() return an oop not a jobject
hseigel
parents:
46727
diff
changeset
|
882 |
Handle class_module(_thread, module_entry->module()); // Obtain j.l.r.Module |
36508 | 883 |
JvmtiExport::add_default_read_edges(class_module, _thread); |
884 |
} |
|
885 |
} |
|
886 |
} |
|
1 | 887 |
// Clear class_being_redefined flag here. The action |
888 |
// from agent handler could generate a new class file load |
|
889 |
// hook event and if it is not cleared the new event generated |
|
890 |
// from regular class file load could have this stale redefined |
|
891 |
// class handle info. |
|
892 |
_state->clear_class_being_redefined(); |
|
893 |
} else { |
|
894 |
// redefine and retransform will always set the thread state |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
895 |
_class_being_redefined = NULL; |
1 | 896 |
_load_kind = jvmti_class_load_kind_load; |
897 |
} |
|
898 |
} |
|
899 |
||
900 |
void post() { |
|
901 |
post_all_envs(); |
|
902 |
copy_modified_data(); |
|
903 |
} |
|
904 |
||
42650 | 905 |
bool has_been_modified() { return _has_been_modified; } |
906 |
||
1 | 907 |
private: |
908 |
void post_all_envs() { |
|
909 |
if (_load_kind != jvmti_class_load_kind_retransform) { |
|
910 |
// for class load and redefine, |
|
911 |
// call the non-retransformable agents |
|
912 |
JvmtiEnvIterator it; |
|
913 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
914 |
if (!env->is_retransformable() && env->is_enabled(JVMTI_EVENT_CLASS_FILE_LOAD_HOOK)) { |
|
915 |
// non-retransformable agents cannot retransform back, |
|
916 |
// so no need to cache the original class file bytes |
|
917 |
post_to_env(env, false); |
|
918 |
} |
|
919 |
} |
|
920 |
} |
|
921 |
JvmtiEnvIterator it; |
|
922 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
923 |
// retransformable agents get all events |
|
924 |
if (env->is_retransformable() && env->is_enabled(JVMTI_EVENT_CLASS_FILE_LOAD_HOOK)) { |
|
925 |
// retransformable agents need to cache the original class file |
|
926 |
// bytes if changes are made via the ClassFileLoadHook |
|
927 |
post_to_env(env, true); |
|
928 |
} |
|
929 |
} |
|
930 |
} |
|
931 |
||
932 |
void post_to_env(JvmtiEnv* env, bool caching_needed) { |
|
38110
22bb1ed67962
8153749: New capability can_generate_early_class_hook_events
sspitsyn
parents:
38060
diff
changeset
|
933 |
if (env->phase() == JVMTI_PHASE_PRIMORDIAL && !env->early_class_hook_env()) { |
36508 | 934 |
return; |
935 |
} |
|
1 | 936 |
unsigned char *new_data = NULL; |
937 |
jint new_len = 0; |
|
938 |
JvmtiClassFileLoadEventMark jem(_thread, _h_name, _class_loader, |
|
939 |
_h_protection_domain, |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
940 |
_class_being_redefined); |
1 | 941 |
JvmtiJavaThreadEventTransition jet(_thread); |
942 |
jvmtiEventClassFileLoadHook callback = env->callbacks()->ClassFileLoadHook; |
|
943 |
if (callback != NULL) { |
|
36508 | 944 |
(*callback)(env->jvmti_external(), jem.jni_env(), |
1 | 945 |
jem.class_being_redefined(), |
946 |
jem.jloader(), jem.class_name(), |
|
947 |
jem.protection_domain(), |
|
948 |
_curr_len, _curr_data, |
|
949 |
&new_len, &new_data); |
|
950 |
} |
|
951 |
if (new_data != NULL) { |
|
952 |
// this agent has modified class data. |
|
42650 | 953 |
_has_been_modified = true; |
18940
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
954 |
if (caching_needed && *_cached_class_file_ptr == NULL) { |
1 | 955 |
// data has been changed by the new retransformable agent |
956 |
// and it hasn't already been cached, cache it |
|
18940
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
957 |
JvmtiCachedClassFileData *p; |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
958 |
p = (JvmtiCachedClassFileData *)os::malloc( |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
959 |
offset_of(JvmtiCachedClassFileData, data) + _curr_len, mtInternal); |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
960 |
if (p == NULL) { |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
961 |
vm_exit_out_of_memory(offset_of(JvmtiCachedClassFileData, data) + _curr_len, |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
962 |
OOM_MALLOC_ERROR, |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
963 |
"unable to allocate cached copy of original class bytes"); |
17368
b7cb1739172e
8008255: jvmtiExport.cpp::post_to_env() does not check malloc() return
rbackman
parents:
15484
diff
changeset
|
964 |
} |
18940
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
965 |
p->length = _curr_len; |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
966 |
memcpy(p->data, _curr_data, _curr_len); |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
967 |
*_cached_class_file_ptr = p; |
1 | 968 |
} |
969 |
||
970 |
if (_curr_data != *_data_ptr) { |
|
971 |
// curr_data is previous agent modified class data. |
|
972 |
// And this has been changed by the new agent so |
|
973 |
// we can delete it now. |
|
974 |
_curr_env->Deallocate(_curr_data); |
|
975 |
} |
|
976 |
||
977 |
// Class file data has changed by the current agent. |
|
978 |
_curr_data = new_data; |
|
979 |
_curr_len = new_len; |
|
980 |
// Save the current agent env we need this to deallocate the |
|
981 |
// memory allocated by this agent. |
|
982 |
_curr_env = env; |
|
983 |
} |
|
984 |
} |
|
985 |
||
986 |
void copy_modified_data() { |
|
987 |
// if one of the agent has modified class file data. |
|
988 |
// Copy modified class data to new resources array. |
|
989 |
if (_curr_data != *_data_ptr) { |
|
990 |
*_data_ptr = NEW_RESOURCE_ARRAY(u1, _curr_len); |
|
991 |
memcpy(*_data_ptr, _curr_data, _curr_len); |
|
992 |
*_end_ptr = *_data_ptr + _curr_len; |
|
993 |
_curr_env->Deallocate(_curr_data); |
|
994 |
} |
|
995 |
} |
|
996 |
}; |
|
997 |
||
52319
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
998 |
bool JvmtiExport::is_early_phase() { |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
999 |
return JvmtiEnvBase::get_phase() <= JVMTI_PHASE_PRIMORDIAL; |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1000 |
} |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1001 |
|
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1002 |
bool JvmtiExport::has_early_class_hook_env() { |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1003 |
JvmtiEnvIterator it; |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1004 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1005 |
if (env->early_class_hook_env()) { |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1006 |
return true; |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1007 |
} |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1008 |
} |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1009 |
return false; |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1010 |
} |
625f6c742392
8212200: assert when shared java.lang.Object is redefined by JVMTI agent
iklam
parents:
52179
diff
changeset
|
1011 |
|
1 | 1012 |
bool JvmtiExport::_should_post_class_file_load_hook = false; |
1013 |
||
1014 |
// this entry is for class file load hook on class load, redefine and retransform |
|
42650 | 1015 |
bool JvmtiExport::post_class_file_load_hook(Symbol* h_name, |
1 | 1016 |
Handle class_loader, |
1017 |
Handle h_protection_domain, |
|
1018 |
unsigned char **data_ptr, |
|
1019 |
unsigned char **end_ptr, |
|
18940
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
1020 |
JvmtiCachedClassFileData **cache_ptr) { |
36508 | 1021 |
if (JvmtiEnv::get_phase() < JVMTI_PHASE_PRIMORDIAL) { |
42650 | 1022 |
return false; |
36508 | 1023 |
} |
1024 |
||
1 | 1025 |
JvmtiClassFileLoadHookPoster poster(h_name, class_loader, |
1026 |
h_protection_domain, |
|
1027 |
data_ptr, end_ptr, |
|
18940
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
17597
diff
changeset
|
1028 |
cache_ptr); |
1 | 1029 |
poster.post(); |
42650 | 1030 |
return poster.has_been_modified(); |
1 | 1031 |
} |
1032 |
||
1033 |
void JvmtiExport::report_unsupported(bool on) { |
|
1034 |
// If any JVMTI service is turned on, we need to exit before native code |
|
1035 |
// tries to access nonexistant services. |
|
1036 |
if (on) { |
|
1037 |
vm_exit_during_initialization("Java Kernel does not support JVMTI."); |
|
1038 |
} |
|
1039 |
} |
|
1040 |
||
1041 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1042 |
static inline Klass* oop_to_klass(oop obj) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1043 |
Klass* k = obj->klass(); |
1 | 1044 |
|
1045 |
// if the object is a java.lang.Class then return the java mirror |
|
4571 | 1046 |
if (k == SystemDictionary::Class_klass()) { |
1 | 1047 |
if (!java_lang_Class::is_primitive(obj)) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1048 |
k = java_lang_Class::as_Klass(obj); |
1 | 1049 |
assert(k != NULL, "class for non-primitive mirror must exist"); |
1050 |
} |
|
1051 |
} |
|
1052 |
return k; |
|
1053 |
} |
|
1054 |
||
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
1055 |
class JvmtiObjectAllocEventMark : public JvmtiClassEventMark { |
1 | 1056 |
private: |
1057 |
jobject _jobj; |
|
1058 |
jlong _size; |
|
1059 |
public: |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
1060 |
JvmtiObjectAllocEventMark(JavaThread *thread, oop obj) : JvmtiClassEventMark(thread, oop_to_klass(obj)) { |
1 | 1061 |
_jobj = (jobject)to_jobject(obj); |
52179 | 1062 |
_size = Universe::heap()->obj_size(obj) * wordSize; |
1 | 1063 |
}; |
1064 |
jobject jni_jobject() { return _jobj; } |
|
1065 |
jlong size() { return _size; } |
|
1066 |
}; |
|
1067 |
||
1068 |
class JvmtiCompiledMethodLoadEventMark : public JvmtiMethodEventMark { |
|
1069 |
private: |
|
1070 |
jint _code_size; |
|
1071 |
const void *_code_data; |
|
1072 |
jint _map_length; |
|
1073 |
jvmtiAddrLocationMap *_map; |
|
1074 |
const void *_compile_info; |
|
1075 |
public: |
|
4732
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
1076 |
JvmtiCompiledMethodLoadEventMark(JavaThread *thread, nmethod *nm, void* compile_info_ptr = NULL) |
1 | 1077 |
: JvmtiMethodEventMark(thread,methodHandle(thread, nm->method())) { |
6418 | 1078 |
_code_data = nm->insts_begin(); |
1079 |
_code_size = nm->insts_size(); |
|
4732
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
1080 |
_compile_info = compile_info_ptr; // Set void pointer of compiledMethodLoad Event. Default value is NULL. |
1 | 1081 |
JvmtiCodeBlobEvents::build_jvmti_addr_location_map(nm, &_map, &_map_length); |
1082 |
} |
|
1083 |
~JvmtiCompiledMethodLoadEventMark() { |
|
27880
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
25468
diff
changeset
|
1084 |
FREE_C_HEAP_ARRAY(jvmtiAddrLocationMap, _map); |
1 | 1085 |
} |
1086 |
||
1087 |
jint code_size() { return _code_size; } |
|
1088 |
const void *code_data() { return _code_data; } |
|
1089 |
jint map_length() { return _map_length; } |
|
1090 |
const jvmtiAddrLocationMap* map() { return _map; } |
|
1091 |
const void *compile_info() { return _compile_info; } |
|
1092 |
}; |
|
1093 |
||
1094 |
||
1095 |
||
1096 |
class JvmtiMonitorEventMark : public JvmtiThreadEventMark { |
|
1097 |
private: |
|
1098 |
jobject _jobj; |
|
1099 |
public: |
|
1100 |
JvmtiMonitorEventMark(JavaThread *thread, oop object) |
|
1101 |
: JvmtiThreadEventMark(thread){ |
|
1102 |
_jobj = to_jobject(object); |
|
1103 |
} |
|
1104 |
jobject jni_object() { return _jobj; } |
|
1105 |
}; |
|
1106 |
||
1107 |
/////////////////////////////////////////////////////////////// |
|
1108 |
// |
|
1109 |
// pending CompiledMethodUnload support |
|
1110 |
// |
|
1111 |
||
8110
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1112 |
void JvmtiExport::post_compiled_method_unload( |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1113 |
jmethodID method, const void *code_begin) { |
36508 | 1114 |
if (JvmtiEnv::get_phase() < JVMTI_PHASE_PRIMORDIAL) { |
1115 |
return; |
|
1116 |
} |
|
8110
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1117 |
JavaThread* thread = JavaThread::current(); |
5700
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1118 |
EVT_TRIG_TRACE(JVMTI_EVENT_COMPILED_METHOD_UNLOAD, |
37992 | 1119 |
("[%s] method compile unload event triggered", |
8110
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1120 |
JvmtiTrace::safe_get_thread_name(thread))); |
5700
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1121 |
|
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1122 |
// post the event for each environment that has this event enabled. |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1123 |
JvmtiEnvIterator it; |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1124 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1125 |
if (env->is_enabled(JVMTI_EVENT_COMPILED_METHOD_UNLOAD)) { |
36508 | 1126 |
if (env->phase() == JVMTI_PHASE_PRIMORDIAL) { |
1127 |
continue; |
|
1128 |
} |
|
5700
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1129 |
EVT_TRACE(JVMTI_EVENT_COMPILED_METHOD_UNLOAD, |
37992 | 1130 |
("[%s] class compile method unload event sent jmethodID " PTR_FORMAT, |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
32817
diff
changeset
|
1131 |
JvmtiTrace::safe_get_thread_name(thread), p2i(method))); |
5700
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1132 |
|
8110
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1133 |
ResourceMark rm(thread); |
5700
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1134 |
|
8110
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1135 |
JvmtiEventMark jem(thread); |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1136 |
JvmtiJavaThreadEventTransition jet(thread); |
5700
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1137 |
jvmtiEventCompiledMethodUnload callback = env->callbacks()->CompiledMethodUnload; |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1138 |
if (callback != NULL) { |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1139 |
(*callback)(env->jvmti_external(), method, code_begin); |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1140 |
} |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1141 |
} |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1142 |
} |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1143 |
} |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5353
diff
changeset
|
1144 |
|
1 | 1145 |
/////////////////////////////////////////////////////////////// |
1146 |
// |
|
1147 |
// JvmtiExport |
|
1148 |
// |
|
1149 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1150 |
void JvmtiExport::post_raw_breakpoint(JavaThread *thread, Method* method, address location) { |
1 | 1151 |
HandleMark hm(thread); |
1152 |
methodHandle mh(thread, method); |
|
1153 |
||
1154 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1155 |
if (state == NULL) { |
|
1156 |
return; |
|
1157 |
} |
|
37992 | 1158 |
EVT_TRIG_TRACE(JVMTI_EVENT_BREAKPOINT, ("[%s] Trg Breakpoint triggered", |
1 | 1159 |
JvmtiTrace::safe_get_thread_name(thread))); |
1160 |
JvmtiEnvThreadStateIterator it(state); |
|
1161 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1162 |
ets->compare_and_set_current_location(mh(), location, JVMTI_EVENT_BREAKPOINT); |
|
1163 |
if (!ets->breakpoint_posted() && ets->is_enabled(JVMTI_EVENT_BREAKPOINT)) { |
|
1164 |
ThreadState old_os_state = thread->osthread()->get_state(); |
|
1165 |
thread->osthread()->set_state(BREAKPOINTED); |
|
37992 | 1166 |
EVT_TRACE(JVMTI_EVENT_BREAKPOINT, ("[%s] Evt Breakpoint sent %s.%s @ " INTX_FORMAT, |
1 | 1167 |
JvmtiTrace::safe_get_thread_name(thread), |
1168 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1169 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
|
1170 |
location - mh()->code_base() )); |
|
1171 |
||
1172 |
JvmtiEnv *env = ets->get_env(); |
|
1173 |
JvmtiLocationEventMark jem(thread, mh, location); |
|
1174 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1175 |
jvmtiEventBreakpoint callback = env->callbacks()->Breakpoint; |
|
1176 |
if (callback != NULL) { |
|
1177 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
1178 |
jem.jni_methodID(), jem.location()); |
|
1179 |
} |
|
1180 |
||
1181 |
ets->set_breakpoint_posted(); |
|
1182 |
thread->osthread()->set_state(old_os_state); |
|
1183 |
} |
|
1184 |
} |
|
1185 |
} |
|
1186 |
||
1187 |
////////////////////////////////////////////////////////////////////////////// |
|
1188 |
||
1189 |
bool JvmtiExport::_can_get_source_debug_extension = false; |
|
1190 |
bool JvmtiExport::_can_maintain_original_method_order = false; |
|
1191 |
bool JvmtiExport::_can_post_interpreter_events = false; |
|
4761
bdb7375a1fee
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
4733
diff
changeset
|
1192 |
bool JvmtiExport::_can_post_on_exceptions = false; |
1 | 1193 |
bool JvmtiExport::_can_post_breakpoint = false; |
1194 |
bool JvmtiExport::_can_post_field_access = false; |
|
1195 |
bool JvmtiExport::_can_post_field_modification = false; |
|
1196 |
bool JvmtiExport::_can_post_method_entry = false; |
|
1197 |
bool JvmtiExport::_can_post_method_exit = false; |
|
1198 |
bool JvmtiExport::_can_pop_frame = false; |
|
1199 |
bool JvmtiExport::_can_force_early_return = false; |
|
1200 |
||
36508 | 1201 |
bool JvmtiExport::_early_vmstart_recorded = false; |
1202 |
||
1 | 1203 |
bool JvmtiExport::_should_post_single_step = false; |
1204 |
bool JvmtiExport::_should_post_field_access = false; |
|
1205 |
bool JvmtiExport::_should_post_field_modification = false; |
|
1206 |
bool JvmtiExport::_should_post_class_load = false; |
|
1207 |
bool JvmtiExport::_should_post_class_prepare = false; |
|
1208 |
bool JvmtiExport::_should_post_class_unload = false; |
|
1209 |
bool JvmtiExport::_should_post_thread_life = false; |
|
1210 |
bool JvmtiExport::_should_clean_up_heap_objects = false; |
|
1211 |
bool JvmtiExport::_should_post_native_method_bind = false; |
|
1212 |
bool JvmtiExport::_should_post_dynamic_code_generated = false; |
|
1213 |
bool JvmtiExport::_should_post_data_dump = false; |
|
1214 |
bool JvmtiExport::_should_post_compiled_method_load = false; |
|
1215 |
bool JvmtiExport::_should_post_compiled_method_unload = false; |
|
1216 |
bool JvmtiExport::_should_post_monitor_contended_enter = false; |
|
1217 |
bool JvmtiExport::_should_post_monitor_contended_entered = false; |
|
1218 |
bool JvmtiExport::_should_post_monitor_wait = false; |
|
1219 |
bool JvmtiExport::_should_post_monitor_waited = false; |
|
1220 |
bool JvmtiExport::_should_post_garbage_collection_start = false; |
|
1221 |
bool JvmtiExport::_should_post_garbage_collection_finish = false; |
|
1222 |
bool JvmtiExport::_should_post_object_free = false; |
|
1223 |
bool JvmtiExport::_should_post_resource_exhausted = false; |
|
1224 |
bool JvmtiExport::_should_post_vm_object_alloc = false; |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
1225 |
bool JvmtiExport::_should_post_sampled_object_alloc = false; |
4761
bdb7375a1fee
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
4733
diff
changeset
|
1226 |
bool JvmtiExport::_should_post_on_exceptions = false; |
1 | 1227 |
|
1228 |
//////////////////////////////////////////////////////////////////////////////////////////////// |
|
1229 |
||
1230 |
||
1231 |
// |
|
1232 |
// JVMTI single step management |
|
1233 |
// |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1234 |
void JvmtiExport::at_single_stepping_point(JavaThread *thread, Method* method, address location) { |
1 | 1235 |
assert(JvmtiExport::should_post_single_step(), "must be single stepping"); |
1236 |
||
1237 |
HandleMark hm(thread); |
|
1238 |
methodHandle mh(thread, method); |
|
1239 |
||
1240 |
// update information about current location and post a step event |
|
1241 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1242 |
if (state == NULL) { |
|
1243 |
return; |
|
1244 |
} |
|
37992 | 1245 |
EVT_TRIG_TRACE(JVMTI_EVENT_SINGLE_STEP, ("[%s] Trg Single Step triggered", |
1 | 1246 |
JvmtiTrace::safe_get_thread_name(thread))); |
1247 |
if (!state->hide_single_stepping()) { |
|
1248 |
if (state->is_pending_step_for_popframe()) { |
|
1249 |
state->process_pending_step_for_popframe(); |
|
1250 |
} |
|
1251 |
if (state->is_pending_step_for_earlyret()) { |
|
1252 |
state->process_pending_step_for_earlyret(); |
|
1253 |
} |
|
1254 |
JvmtiExport::post_single_step(thread, mh(), location); |
|
1255 |
} |
|
1256 |
} |
|
1257 |
||
1258 |
||
1259 |
void JvmtiExport::expose_single_stepping(JavaThread *thread) { |
|
1260 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1261 |
if (state != NULL) { |
|
1262 |
state->clear_hide_single_stepping(); |
|
1263 |
} |
|
1264 |
} |
|
1265 |
||
1266 |
||
1267 |
bool JvmtiExport::hide_single_stepping(JavaThread *thread) { |
|
1268 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1269 |
if (state != NULL && state->is_enabled(JVMTI_EVENT_SINGLE_STEP)) { |
|
1270 |
state->set_hide_single_stepping(); |
|
1271 |
return true; |
|
1272 |
} else { |
|
1273 |
return false; |
|
1274 |
} |
|
1275 |
} |
|
1276 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1277 |
void JvmtiExport::post_class_load(JavaThread *thread, Klass* klass) { |
36508 | 1278 |
if (JvmtiEnv::get_phase() < JVMTI_PHASE_PRIMORDIAL) { |
1279 |
return; |
|
1280 |
} |
|
1 | 1281 |
HandleMark hm(thread); |
1282 |
||
37992 | 1283 |
EVT_TRIG_TRACE(JVMTI_EVENT_CLASS_LOAD, ("[%s] Trg Class Load triggered", |
1 | 1284 |
JvmtiTrace::safe_get_thread_name(thread))); |
1285 |
JvmtiThreadState* state = thread->jvmti_thread_state(); |
|
1286 |
if (state == NULL) { |
|
1287 |
return; |
|
1288 |
} |
|
1289 |
JvmtiEnvThreadStateIterator it(state); |
|
1290 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1291 |
if (ets->is_enabled(JVMTI_EVENT_CLASS_LOAD)) { |
|
36508 | 1292 |
JvmtiEnv *env = ets->get_env(); |
1293 |
if (env->phase() == JVMTI_PHASE_PRIMORDIAL) { |
|
1294 |
continue; |
|
1295 |
} |
|
37992 | 1296 |
EVT_TRACE(JVMTI_EVENT_CLASS_LOAD, ("[%s] Evt Class Load sent %s", |
1 | 1297 |
JvmtiTrace::safe_get_thread_name(thread), |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1298 |
klass==NULL? "NULL" : klass->external_name() )); |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1299 |
JvmtiClassEventMark jem(thread, klass); |
1 | 1300 |
JvmtiJavaThreadEventTransition jet(thread); |
1301 |
jvmtiEventClassLoad callback = env->callbacks()->ClassLoad; |
|
1302 |
if (callback != NULL) { |
|
1303 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_class()); |
|
1304 |
} |
|
1305 |
} |
|
1306 |
} |
|
1307 |
} |
|
1308 |
||
1309 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1310 |
void JvmtiExport::post_class_prepare(JavaThread *thread, Klass* klass) { |
36508 | 1311 |
if (JvmtiEnv::get_phase() < JVMTI_PHASE_PRIMORDIAL) { |
1312 |
return; |
|
1313 |
} |
|
1 | 1314 |
HandleMark hm(thread); |
1315 |
||
37992 | 1316 |
EVT_TRIG_TRACE(JVMTI_EVENT_CLASS_PREPARE, ("[%s] Trg Class Prepare triggered", |
1 | 1317 |
JvmtiTrace::safe_get_thread_name(thread))); |
1318 |
JvmtiThreadState* state = thread->jvmti_thread_state(); |
|
1319 |
if (state == NULL) { |
|
1320 |
return; |
|
1321 |
} |
|
1322 |
JvmtiEnvThreadStateIterator it(state); |
|
1323 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1324 |
if (ets->is_enabled(JVMTI_EVENT_CLASS_PREPARE)) { |
|
36508 | 1325 |
JvmtiEnv *env = ets->get_env(); |
1326 |
if (env->phase() == JVMTI_PHASE_PRIMORDIAL) { |
|
1327 |
continue; |
|
1328 |
} |
|
37992 | 1329 |
EVT_TRACE(JVMTI_EVENT_CLASS_PREPARE, ("[%s] Evt Class Prepare sent %s", |
1 | 1330 |
JvmtiTrace::safe_get_thread_name(thread), |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1331 |
klass==NULL? "NULL" : klass->external_name() )); |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1332 |
JvmtiClassEventMark jem(thread, klass); |
1 | 1333 |
JvmtiJavaThreadEventTransition jet(thread); |
1334 |
jvmtiEventClassPrepare callback = env->callbacks()->ClassPrepare; |
|
1335 |
if (callback != NULL) { |
|
1336 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_class()); |
|
1337 |
} |
|
1338 |
} |
|
1339 |
} |
|
1340 |
} |
|
1341 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1342 |
void JvmtiExport::post_class_unload(Klass* klass) { |
36508 | 1343 |
if (JvmtiEnv::get_phase() < JVMTI_PHASE_PRIMORDIAL) { |
1344 |
return; |
|
1345 |
} |
|
1 | 1346 |
Thread *thread = Thread::current(); |
1347 |
HandleMark hm(thread); |
|
1348 |
||
37992 | 1349 |
EVT_TRIG_TRACE(EXT_EVENT_CLASS_UNLOAD, ("[?] Trg Class Unload triggered" )); |
1 | 1350 |
if (JvmtiEventController::is_enabled((jvmtiEvent)EXT_EVENT_CLASS_UNLOAD)) { |
1351 |
assert(thread->is_VM_thread(), "wrong thread"); |
|
1352 |
||
1353 |
// get JavaThread for whom we are proxy |
|
43679
0e60946764a6
8173693: disable post_class_unload() for non JavaThread initiators
dcubed
parents:
42895
diff
changeset
|
1354 |
Thread *calling_thread = ((VMThread *)thread)->vm_operation()->calling_thread(); |
0e60946764a6
8173693: disable post_class_unload() for non JavaThread initiators
dcubed
parents:
42895
diff
changeset
|
1355 |
if (!calling_thread->is_Java_thread()) { |
0e60946764a6
8173693: disable post_class_unload() for non JavaThread initiators
dcubed
parents:
42895
diff
changeset
|
1356 |
// cannot post an event to a non-JavaThread |
0e60946764a6
8173693: disable post_class_unload() for non JavaThread initiators
dcubed
parents:
42895
diff
changeset
|
1357 |
return; |
0e60946764a6
8173693: disable post_class_unload() for non JavaThread initiators
dcubed
parents:
42895
diff
changeset
|
1358 |
} |
0e60946764a6
8173693: disable post_class_unload() for non JavaThread initiators
dcubed
parents:
42895
diff
changeset
|
1359 |
JavaThread *real_thread = (JavaThread *)calling_thread; |
1 | 1360 |
|
1361 |
JvmtiEnvIterator it; |
|
1362 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
36508 | 1363 |
if (env->phase() == JVMTI_PHASE_PRIMORDIAL) { |
1364 |
continue; |
|
1365 |
} |
|
1 | 1366 |
if (env->is_enabled((jvmtiEvent)EXT_EVENT_CLASS_UNLOAD)) { |
37992 | 1367 |
EVT_TRACE(EXT_EVENT_CLASS_UNLOAD, ("[?] Evt Class Unload sent %s", |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1368 |
klass==NULL? "NULL" : klass->external_name() )); |
1 | 1369 |
|
1370 |
// do everything manually, since this is a proxy - needs special care |
|
1371 |
JNIEnv* jni_env = real_thread->jni_environment(); |
|
1372 |
jthread jt = (jthread)JNIHandles::make_local(real_thread, real_thread->threadObj()); |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1373 |
jclass jk = (jclass)JNIHandles::make_local(real_thread, klass->java_mirror()); |
1 | 1374 |
|
1375 |
// Before we call the JVMTI agent, we have to set the state in the |
|
1376 |
// thread for which we are proxying. |
|
1377 |
JavaThreadState prev_state = real_thread->thread_state(); |
|
23447 | 1378 |
assert(((Thread *)real_thread)->is_ConcurrentGC_thread() || |
1379 |
(real_thread->is_Java_thread() && prev_state == _thread_blocked), |
|
1380 |
"should be ConcurrentGCThread or JavaThread at safepoint"); |
|
1 | 1381 |
real_thread->set_thread_state(_thread_in_native); |
1382 |
||
1383 |
jvmtiExtensionEvent callback = env->ext_callbacks()->ClassUnload; |
|
1384 |
if (callback != NULL) { |
|
1385 |
(*callback)(env->jvmti_external(), jni_env, jt, jk); |
|
1386 |
} |
|
1387 |
||
1388 |
assert(real_thread->thread_state() == _thread_in_native, |
|
1389 |
"JavaThread should be in native"); |
|
1390 |
real_thread->set_thread_state(prev_state); |
|
1391 |
||
1392 |
JNIHandles::destroy_local(jk); |
|
1393 |
JNIHandles::destroy_local(jt); |
|
1394 |
} |
|
1395 |
} |
|
1396 |
} |
|
1397 |
} |
|
1398 |
||
1399 |
||
1400 |
void JvmtiExport::post_thread_start(JavaThread *thread) { |
|
36508 | 1401 |
if (JvmtiEnv::get_phase() < JVMTI_PHASE_PRIMORDIAL) { |
1402 |
return; |
|
1403 |
} |
|
1 | 1404 |
assert(thread->thread_state() == _thread_in_vm, "must be in vm state"); |
1405 |
||
37992 | 1406 |
EVT_TRIG_TRACE(JVMTI_EVENT_THREAD_START, ("[%s] Trg Thread Start event triggered", |
1 | 1407 |
JvmtiTrace::safe_get_thread_name(thread))); |
1408 |
||
1409 |
// do JVMTI thread initialization (if needed) |
|
1410 |
JvmtiEventController::thread_started(thread); |
|
1411 |
||
1412 |
// Do not post thread start event for hidden java thread. |
|
1413 |
if (JvmtiEventController::is_enabled(JVMTI_EVENT_THREAD_START) && |
|
1414 |
!thread->is_hidden_from_external_view()) { |
|
1415 |
JvmtiEnvIterator it; |
|
1416 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
36508 | 1417 |
if (env->phase() == JVMTI_PHASE_PRIMORDIAL) { |
1418 |
continue; |
|
1419 |
} |
|
1 | 1420 |
if (env->is_enabled(JVMTI_EVENT_THREAD_START)) { |
37992 | 1421 |
EVT_TRACE(JVMTI_EVENT_THREAD_START, ("[%s] Evt Thread Start event sent", |
1 | 1422 |
JvmtiTrace::safe_get_thread_name(thread) )); |
1423 |
||
1424 |
JvmtiThreadEventMark jem(thread); |
|
1425 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1426 |
jvmtiEventThreadStart callback = env->callbacks()->ThreadStart; |
|
1427 |
if (callback != NULL) { |
|
1428 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread()); |
|
1429 |
} |
|
1430 |
} |
|
1431 |
} |
|
1432 |
} |
|
1433 |
} |
|
1434 |
||
1435 |
||
1436 |
void JvmtiExport::post_thread_end(JavaThread *thread) { |
|
36508 | 1437 |
if (JvmtiEnv::get_phase() < JVMTI_PHASE_PRIMORDIAL) { |
1438 |
return; |
|
1439 |
} |
|
37992 | 1440 |
EVT_TRIG_TRACE(JVMTI_EVENT_THREAD_END, ("[%s] Trg Thread End event triggered", |
1 | 1441 |
JvmtiTrace::safe_get_thread_name(thread))); |
1442 |
||
1443 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1444 |
if (state == NULL) { |
|
1445 |
return; |
|
1446 |
} |
|
1447 |
||
1448 |
// Do not post thread end event for hidden java thread. |
|
1449 |
if (state->is_enabled(JVMTI_EVENT_THREAD_END) && |
|
1450 |
!thread->is_hidden_from_external_view()) { |
|
1451 |
||
1452 |
JvmtiEnvThreadStateIterator it(state); |
|
1453 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1454 |
if (ets->is_enabled(JVMTI_EVENT_THREAD_END)) { |
|
36508 | 1455 |
JvmtiEnv *env = ets->get_env(); |
1456 |
if (env->phase() == JVMTI_PHASE_PRIMORDIAL) { |
|
1457 |
continue; |
|
1458 |
} |
|
37992 | 1459 |
EVT_TRACE(JVMTI_EVENT_THREAD_END, ("[%s] Evt Thread End event sent", |
1 | 1460 |
JvmtiTrace::safe_get_thread_name(thread) )); |
1461 |
||
1462 |
JvmtiThreadEventMark jem(thread); |
|
1463 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1464 |
jvmtiEventThreadEnd callback = env->callbacks()->ThreadEnd; |
|
1465 |
if (callback != NULL) { |
|
1466 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread()); |
|
1467 |
} |
|
1468 |
} |
|
1469 |
} |
|
1470 |
} |
|
1471 |
} |
|
1472 |
||
1473 |
void JvmtiExport::post_object_free(JvmtiEnv* env, jlong tag) { |
|
1474 |
assert(SafepointSynchronize::is_at_safepoint(), "must be executed at safepoint"); |
|
1475 |
assert(env->is_enabled(JVMTI_EVENT_OBJECT_FREE), "checking"); |
|
1476 |
||
37992 | 1477 |
EVT_TRIG_TRACE(JVMTI_EVENT_OBJECT_FREE, ("[?] Trg Object Free triggered" )); |
1478 |
EVT_TRACE(JVMTI_EVENT_OBJECT_FREE, ("[?] Evt Object Free sent")); |
|
1 | 1479 |
|
1480 |
jvmtiEventObjectFree callback = env->callbacks()->ObjectFree; |
|
1481 |
if (callback != NULL) { |
|
1482 |
(*callback)(env->jvmti_external(), tag); |
|
1483 |
} |
|
1484 |
} |
|
1485 |
||
1486 |
void JvmtiExport::post_resource_exhausted(jint resource_exhausted_flags, const char* description) { |
|
52691
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1487 |
|
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1488 |
JavaThread *thread = JavaThread::current(); |
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1489 |
|
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1490 |
// JDK-8213834: handlers of ResourceExhausted may attempt some analysis |
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1491 |
// which often requires running java. |
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1492 |
// This will cause problems on threads not able to run java, e.g. compiler |
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1493 |
// threads. To forestall these problems, we therefore suppress sending this |
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1494 |
// event from threads which are not able to run java. |
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1495 |
if (!thread->can_call_java()) { |
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1496 |
return; |
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1497 |
} |
d9f6a700fec9
8213834: JVMTI ResourceExhausted should not be posted in CompilerThread
stuefe
parents:
52619
diff
changeset
|
1498 |
|
37992 | 1499 |
EVT_TRIG_TRACE(JVMTI_EVENT_RESOURCE_EXHAUSTED, ("Trg resource exhausted event triggered" )); |
1 | 1500 |
|
1501 |
JvmtiEnvIterator it; |
|
1502 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
1503 |
if (env->is_enabled(JVMTI_EVENT_RESOURCE_EXHAUSTED)) { |
|
37992 | 1504 |
EVT_TRACE(JVMTI_EVENT_RESOURCE_EXHAUSTED, ("Evt resource exhausted event sent" )); |
1 | 1505 |
|
1506 |
JvmtiThreadEventMark jem(thread); |
|
1507 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1508 |
jvmtiEventResourceExhausted callback = env->callbacks()->ResourceExhausted; |
|
1509 |
if (callback != NULL) { |
|
1510 |
(*callback)(env->jvmti_external(), jem.jni_env(), |
|
1511 |
resource_exhausted_flags, NULL, description); |
|
1512 |
} |
|
1513 |
} |
|
1514 |
} |
|
1515 |
} |
|
1516 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1517 |
void JvmtiExport::post_method_entry(JavaThread *thread, Method* method, frame current_frame) { |
1 | 1518 |
HandleMark hm(thread); |
1519 |
methodHandle mh(thread, method); |
|
1520 |
||
37992 | 1521 |
EVT_TRIG_TRACE(JVMTI_EVENT_METHOD_ENTRY, ("[%s] Trg Method Entry triggered %s.%s", |
1 | 1522 |
JvmtiTrace::safe_get_thread_name(thread), |
1523 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1524 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
|
1525 |
||
1526 |
JvmtiThreadState* state = thread->jvmti_thread_state(); |
|
1527 |
if (state == NULL || !state->is_interp_only_mode()) { |
|
1528 |
// for any thread that actually wants method entry, interp_only_mode is set |
|
1529 |
return; |
|
1530 |
} |
|
1531 |
||
1532 |
state->incr_cur_stack_depth(); |
|
1533 |
||
1534 |
if (state->is_enabled(JVMTI_EVENT_METHOD_ENTRY)) { |
|
1535 |
JvmtiEnvThreadStateIterator it(state); |
|
1536 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1537 |
if (ets->is_enabled(JVMTI_EVENT_METHOD_ENTRY)) { |
|
37992 | 1538 |
EVT_TRACE(JVMTI_EVENT_METHOD_ENTRY, ("[%s] Evt Method Entry sent %s.%s", |
1 | 1539 |
JvmtiTrace::safe_get_thread_name(thread), |
1540 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1541 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
|
1542 |
||
1543 |
JvmtiEnv *env = ets->get_env(); |
|
1544 |
JvmtiMethodEventMark jem(thread, mh); |
|
1545 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1546 |
jvmtiEventMethodEntry callback = env->callbacks()->MethodEntry; |
|
1547 |
if (callback != NULL) { |
|
1548 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_methodID()); |
|
1549 |
} |
|
1550 |
} |
|
1551 |
} |
|
1552 |
} |
|
1553 |
} |
|
1554 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1555 |
void JvmtiExport::post_method_exit(JavaThread *thread, Method* method, frame current_frame) { |
1 | 1556 |
HandleMark hm(thread); |
1557 |
methodHandle mh(thread, method); |
|
1558 |
||
37992 | 1559 |
EVT_TRIG_TRACE(JVMTI_EVENT_METHOD_EXIT, ("[%s] Trg Method Exit triggered %s.%s", |
1 | 1560 |
JvmtiTrace::safe_get_thread_name(thread), |
1561 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1562 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
|
1563 |
||
1564 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1565 |
if (state == NULL || !state->is_interp_only_mode()) { |
|
1566 |
// for any thread that actually wants method exit, interp_only_mode is set |
|
1567 |
return; |
|
1568 |
} |
|
1569 |
||
1570 |
// return a flag when a method terminates by throwing an exception |
|
1571 |
// i.e. if an exception is thrown and it's not caught by the current method |
|
1572 |
bool exception_exit = state->is_exception_detected() && !state->is_exception_caught(); |
|
1573 |
||
1574 |
||
1575 |
if (state->is_enabled(JVMTI_EVENT_METHOD_EXIT)) { |
|
1576 |
Handle result; |
|
1577 |
jvalue value; |
|
1578 |
value.j = 0L; |
|
1579 |
||
1580 |
// if the method hasn't been popped because of an exception then we populate |
|
1581 |
// the return_value parameter for the callback. At this point we only have |
|
1582 |
// the address of a "raw result" and we just call into the interpreter to |
|
1583 |
// convert this into a jvalue. |
|
1584 |
if (!exception_exit) { |
|
1585 |
oop oop_result; |
|
1586 |
BasicType type = current_frame.interpreter_frame_result(&oop_result, &value); |
|
1587 |
if (type == T_OBJECT || type == T_ARRAY) { |
|
1588 |
result = Handle(thread, oop_result); |
|
1589 |
} |
|
1590 |
} |
|
1591 |
||
1592 |
JvmtiEnvThreadStateIterator it(state); |
|
1593 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1594 |
if (ets->is_enabled(JVMTI_EVENT_METHOD_EXIT)) { |
|
37992 | 1595 |
EVT_TRACE(JVMTI_EVENT_METHOD_EXIT, ("[%s] Evt Method Exit sent %s.%s", |
1 | 1596 |
JvmtiTrace::safe_get_thread_name(thread), |
1597 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1598 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
|
1599 |
||
1600 |
JvmtiEnv *env = ets->get_env(); |
|
1601 |
JvmtiMethodEventMark jem(thread, mh); |
|
1602 |
if (result.not_null()) { |
|
1603 |
value.l = JNIHandles::make_local(thread, result()); |
|
1604 |
} |
|
1605 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1606 |
jvmtiEventMethodExit callback = env->callbacks()->MethodExit; |
|
1607 |
if (callback != NULL) { |
|
1608 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
1609 |
jem.jni_methodID(), exception_exit, value); |
|
1610 |
} |
|
1611 |
} |
|
1612 |
} |
|
1613 |
} |
|
1614 |
||
50385
50bfe66c499f
8187289: NotifyFramePop request is not cleared if JVMTI_EVENT_FRAME_POP is disabled
amenkov
parents:
49982
diff
changeset
|
1615 |
JvmtiEnvThreadStateIterator it(state); |
50bfe66c499f
8187289: NotifyFramePop request is not cleared if JVMTI_EVENT_FRAME_POP is disabled
amenkov
parents:
49982
diff
changeset
|
1616 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
50bfe66c499f
8187289: NotifyFramePop request is not cleared if JVMTI_EVENT_FRAME_POP is disabled
amenkov
parents:
49982
diff
changeset
|
1617 |
if (ets->has_frame_pops()) { |
1 | 1618 |
int cur_frame_number = state->cur_stack_depth(); |
1619 |
||
1620 |
if (ets->is_frame_pop(cur_frame_number)) { |
|
1621 |
// we have a NotifyFramePop entry for this frame. |
|
1622 |
// now check that this env/thread wants this event |
|
1623 |
if (ets->is_enabled(JVMTI_EVENT_FRAME_POP)) { |
|
37992 | 1624 |
EVT_TRACE(JVMTI_EVENT_FRAME_POP, ("[%s] Evt Frame Pop sent %s.%s", |
1 | 1625 |
JvmtiTrace::safe_get_thread_name(thread), |
1626 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1627 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
|
1628 |
||
1629 |
// we also need to issue a frame pop event for this frame |
|
1630 |
JvmtiEnv *env = ets->get_env(); |
|
1631 |
JvmtiMethodEventMark jem(thread, mh); |
|
1632 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1633 |
jvmtiEventFramePop callback = env->callbacks()->FramePop; |
|
1634 |
if (callback != NULL) { |
|
1635 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
1636 |
jem.jni_methodID(), exception_exit); |
|
1637 |
} |
|
1638 |
} |
|
1639 |
// remove the frame's entry |
|
1640 |
ets->clear_frame_pop(cur_frame_number); |
|
1641 |
} |
|
1642 |
} |
|
1643 |
} |
|
1644 |
||
1645 |
state->decr_cur_stack_depth(); |
|
1646 |
} |
|
1647 |
||
1648 |
||
1649 |
// Todo: inline this for optimization |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1650 |
void JvmtiExport::post_single_step(JavaThread *thread, Method* method, address location) { |
1 | 1651 |
HandleMark hm(thread); |
1652 |
methodHandle mh(thread, method); |
|
1653 |
||
1654 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1655 |
if (state == NULL) { |
|
1656 |
return; |
|
1657 |
} |
|
1658 |
JvmtiEnvThreadStateIterator it(state); |
|
1659 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1660 |
ets->compare_and_set_current_location(mh(), location, JVMTI_EVENT_SINGLE_STEP); |
|
1661 |
if (!ets->single_stepping_posted() && ets->is_enabled(JVMTI_EVENT_SINGLE_STEP)) { |
|
37992 | 1662 |
EVT_TRACE(JVMTI_EVENT_SINGLE_STEP, ("[%s] Evt Single Step sent %s.%s @ " INTX_FORMAT, |
1 | 1663 |
JvmtiTrace::safe_get_thread_name(thread), |
1664 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1665 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
|
1666 |
location - mh()->code_base() )); |
|
1667 |
||
1668 |
JvmtiEnv *env = ets->get_env(); |
|
1669 |
JvmtiLocationEventMark jem(thread, mh, location); |
|
1670 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1671 |
jvmtiEventSingleStep callback = env->callbacks()->SingleStep; |
|
1672 |
if (callback != NULL) { |
|
1673 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
1674 |
jem.jni_methodID(), jem.location()); |
|
1675 |
} |
|
1676 |
||
1677 |
ets->set_single_stepping_posted(); |
|
1678 |
} |
|
1679 |
} |
|
1680 |
} |
|
1681 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1682 |
void JvmtiExport::post_exception_throw(JavaThread *thread, Method* method, address location, oop exception) { |
1 | 1683 |
HandleMark hm(thread); |
1684 |
methodHandle mh(thread, method); |
|
1685 |
Handle exception_handle(thread, exception); |
|
1686 |
||
1687 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1688 |
if (state == NULL) { |
|
1689 |
return; |
|
1690 |
} |
|
1691 |
||
37992 | 1692 |
EVT_TRIG_TRACE(JVMTI_EVENT_EXCEPTION, ("[%s] Trg Exception thrown triggered", |
1 | 1693 |
JvmtiTrace::safe_get_thread_name(thread))); |
1694 |
if (!state->is_exception_detected()) { |
|
1695 |
state->set_exception_detected(); |
|
1696 |
JvmtiEnvThreadStateIterator it(state); |
|
1697 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1698 |
if (ets->is_enabled(JVMTI_EVENT_EXCEPTION) && (exception != NULL)) { |
|
1699 |
||
1700 |
EVT_TRACE(JVMTI_EVENT_EXCEPTION, |
|
37992 | 1701 |
("[%s] Evt Exception thrown sent %s.%s @ " INTX_FORMAT, |
1 | 1702 |
JvmtiTrace::safe_get_thread_name(thread), |
1703 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1704 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
|
1705 |
location - mh()->code_base() )); |
|
1706 |
||
1707 |
JvmtiEnv *env = ets->get_env(); |
|
1708 |
JvmtiExceptionEventMark jem(thread, mh, location, exception_handle); |
|
1709 |
||
1710 |
// It's okay to clear these exceptions here because we duplicate |
|
1711 |
// this lookup in InterpreterRuntime::exception_handler_for_exception. |
|
1712 |
EXCEPTION_MARK; |
|
1713 |
||
1714 |
bool should_repeat; |
|
1715 |
vframeStream st(thread); |
|
1716 |
assert(!st.at_end(), "cannot be at end"); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1717 |
Method* current_method = NULL; |
15109
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14490
diff
changeset
|
1718 |
// A GC may occur during the Method::fast_exception_handler_bci_for() |
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14490
diff
changeset
|
1719 |
// call below if it needs to load the constraint class. Using a |
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14490
diff
changeset
|
1720 |
// methodHandle to keep the 'current_method' from being deallocated |
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14490
diff
changeset
|
1721 |
// if GC happens. |
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14490
diff
changeset
|
1722 |
methodHandle current_mh = methodHandle(thread, current_method); |
1 | 1723 |
int current_bci = -1; |
1724 |
do { |
|
1725 |
current_method = st.method(); |
|
15109
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14490
diff
changeset
|
1726 |
current_mh = methodHandle(thread, current_method); |
1 | 1727 |
current_bci = st.bci(); |
1728 |
do { |
|
1729 |
should_repeat = false; |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1730 |
Klass* eh_klass = exception_handle()->klass(); |
15109
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14490
diff
changeset
|
1731 |
current_bci = Method::fast_exception_handler_bci_for( |
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14490
diff
changeset
|
1732 |
current_mh, eh_klass, current_bci, THREAD); |
1 | 1733 |
if (HAS_PENDING_EXCEPTION) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1734 |
exception_handle = Handle(thread, PENDING_EXCEPTION); |
1 | 1735 |
CLEAR_PENDING_EXCEPTION; |
1736 |
should_repeat = true; |
|
1737 |
} |
|
1738 |
} while (should_repeat && (current_bci != -1)); |
|
1739 |
st.next(); |
|
1740 |
} while ((current_bci < 0) && (!st.at_end())); |
|
1741 |
||
1742 |
jmethodID catch_jmethodID; |
|
1743 |
if (current_bci < 0) { |
|
1744 |
catch_jmethodID = 0; |
|
1745 |
current_bci = 0; |
|
1746 |
} else { |
|
15109
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14490
diff
changeset
|
1747 |
catch_jmethodID = jem.to_jmethodID(current_mh); |
1 | 1748 |
} |
1749 |
||
1750 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1751 |
jvmtiEventException callback = env->callbacks()->Exception; |
|
1752 |
if (callback != NULL) { |
|
1753 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
1754 |
jem.jni_methodID(), jem.location(), |
|
1755 |
jem.exception(), |
|
1756 |
catch_jmethodID, current_bci); |
|
1757 |
} |
|
1758 |
} |
|
1759 |
} |
|
1760 |
} |
|
1761 |
||
1762 |
// frames may get popped because of this throw, be safe - invalidate cached depth |
|
1763 |
state->invalidate_cur_stack_depth(); |
|
1764 |
} |
|
1765 |
||
1766 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1767 |
void JvmtiExport::notice_unwind_due_to_exception(JavaThread *thread, Method* method, address location, oop exception, bool in_handler_frame) { |
1 | 1768 |
HandleMark hm(thread); |
1769 |
methodHandle mh(thread, method); |
|
1770 |
Handle exception_handle(thread, exception); |
|
1771 |
||
1772 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1773 |
if (state == NULL) { |
|
1774 |
return; |
|
1775 |
} |
|
1776 |
EVT_TRIG_TRACE(JVMTI_EVENT_EXCEPTION_CATCH, |
|
37992 | 1777 |
("[%s] Trg unwind_due_to_exception triggered %s.%s @ %s" INTX_FORMAT " - %s", |
1 | 1778 |
JvmtiTrace::safe_get_thread_name(thread), |
1779 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1780 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
|
1781 |
location==0? "no location:" : "", |
|
1782 |
location==0? 0 : location - mh()->code_base(), |
|
1783 |
in_handler_frame? "in handler frame" : "not handler frame" )); |
|
1784 |
||
1785 |
if (state->is_exception_detected()) { |
|
1786 |
||
1787 |
state->invalidate_cur_stack_depth(); |
|
1788 |
if (!in_handler_frame) { |
|
1789 |
// Not in exception handler. |
|
1790 |
if(state->is_interp_only_mode()) { |
|
1791 |
// method exit and frame pop events are posted only in interp mode. |
|
1792 |
// When these events are enabled code should be in running in interp mode. |
|
1793 |
JvmtiExport::post_method_exit(thread, method, thread->last_frame()); |
|
1794 |
// The cached cur_stack_depth might have changed from the |
|
1795 |
// operations of frame pop or method exit. We are not 100% sure |
|
1796 |
// the cached cur_stack_depth is still valid depth so invalidate |
|
1797 |
// it. |
|
1798 |
state->invalidate_cur_stack_depth(); |
|
1799 |
} |
|
1800 |
} else { |
|
1801 |
// In exception handler frame. Report exception catch. |
|
1802 |
assert(location != NULL, "must be a known location"); |
|
1803 |
// Update cur_stack_depth - the frames above the current frame |
|
1804 |
// have been unwound due to this exception: |
|
1805 |
assert(!state->is_exception_caught(), "exception must not be caught yet."); |
|
1806 |
state->set_exception_caught(); |
|
1807 |
||
1808 |
JvmtiEnvThreadStateIterator it(state); |
|
1809 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1810 |
if (ets->is_enabled(JVMTI_EVENT_EXCEPTION_CATCH) && (exception_handle() != NULL)) { |
|
1811 |
EVT_TRACE(JVMTI_EVENT_EXCEPTION_CATCH, |
|
37992 | 1812 |
("[%s] Evt ExceptionCatch sent %s.%s @ " INTX_FORMAT, |
1 | 1813 |
JvmtiTrace::safe_get_thread_name(thread), |
1814 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1815 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
|
1816 |
location - mh()->code_base() )); |
|
1817 |
||
1818 |
JvmtiEnv *env = ets->get_env(); |
|
1819 |
JvmtiExceptionEventMark jem(thread, mh, location, exception_handle); |
|
1820 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1821 |
jvmtiEventExceptionCatch callback = env->callbacks()->ExceptionCatch; |
|
1822 |
if (callback != NULL) { |
|
1823 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
1824 |
jem.jni_methodID(), jem.location(), |
|
1825 |
jem.exception()); |
|
1826 |
} |
|
1827 |
} |
|
1828 |
} |
|
1829 |
} |
|
1830 |
} |
|
1831 |
} |
|
1832 |
||
1833 |
oop JvmtiExport::jni_GetField_probe(JavaThread *thread, jobject jobj, oop obj, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1834 |
Klass* klass, jfieldID fieldID, bool is_static) { |
1 | 1835 |
if (*((int *)get_field_access_count_addr()) > 0 && thread->has_last_Java_frame()) { |
1836 |
// At least one field access watch is set so we have more work |
|
1837 |
// to do. This wrapper is used by entry points that allow us |
|
1838 |
// to create handles in post_field_access_by_jni(). |
|
1839 |
post_field_access_by_jni(thread, obj, klass, fieldID, is_static); |
|
1840 |
// event posting can block so refetch oop if we were passed a jobj |
|
1841 |
if (jobj != NULL) return JNIHandles::resolve_non_null(jobj); |
|
1842 |
} |
|
1843 |
return obj; |
|
1844 |
} |
|
1845 |
||
1846 |
oop JvmtiExport::jni_GetField_probe_nh(JavaThread *thread, jobject jobj, oop obj, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1847 |
Klass* klass, jfieldID fieldID, bool is_static) { |
1 | 1848 |
if (*((int *)get_field_access_count_addr()) > 0 && thread->has_last_Java_frame()) { |
1849 |
// At least one field access watch is set so we have more work |
|
1850 |
// to do. This wrapper is used by "quick" entry points that don't |
|
1851 |
// allow us to create handles in post_field_access_by_jni(). We |
|
1852 |
// override that with a ResetNoHandleMark. |
|
1853 |
ResetNoHandleMark rnhm; |
|
1854 |
post_field_access_by_jni(thread, obj, klass, fieldID, is_static); |
|
1855 |
// event posting can block so refetch oop if we were passed a jobj |
|
1856 |
if (jobj != NULL) return JNIHandles::resolve_non_null(jobj); |
|
1857 |
} |
|
1858 |
return obj; |
|
1859 |
} |
|
1860 |
||
1861 |
void JvmtiExport::post_field_access_by_jni(JavaThread *thread, oop obj, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1862 |
Klass* klass, jfieldID fieldID, bool is_static) { |
1 | 1863 |
// We must be called with a Java context in order to provide reasonable |
1864 |
// values for the klazz, method, and location fields. The callers of this |
|
1865 |
// function don't make the call unless there is a Java context. |
|
1866 |
assert(thread->has_last_Java_frame(), "must be called with a Java context"); |
|
1867 |
||
1868 |
ResourceMark rm; |
|
1869 |
fieldDescriptor fd; |
|
1870 |
// if get_field_descriptor finds fieldID to be invalid, then we just bail |
|
1871 |
bool valid_fieldID = JvmtiEnv::get_field_descriptor(klass, fieldID, &fd); |
|
1872 |
assert(valid_fieldID == true,"post_field_access_by_jni called with invalid fieldID"); |
|
1873 |
if (!valid_fieldID) return; |
|
1874 |
// field accesses are not watched so bail |
|
1875 |
if (!fd.is_field_access_watched()) return; |
|
1876 |
||
1877 |
HandleMark hm(thread); |
|
1878 |
Handle h_obj; |
|
1879 |
if (!is_static) { |
|
1880 |
// non-static field accessors have an object, but we need a handle |
|
1881 |
assert(obj != NULL, "non-static needs an object"); |
|
1882 |
h_obj = Handle(thread, obj); |
|
1883 |
} |
|
1884 |
post_field_access(thread, |
|
1885 |
thread->last_frame().interpreter_frame_method(), |
|
1886 |
thread->last_frame().interpreter_frame_bcp(), |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1887 |
klass, h_obj, fieldID); |
1 | 1888 |
} |
1889 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1890 |
void JvmtiExport::post_field_access(JavaThread *thread, Method* method, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1891 |
address location, Klass* field_klass, Handle object, jfieldID field) { |
1 | 1892 |
|
1893 |
HandleMark hm(thread); |
|
1894 |
methodHandle mh(thread, method); |
|
1895 |
||
1896 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
1897 |
if (state == NULL) { |
|
1898 |
return; |
|
1899 |
} |
|
37992 | 1900 |
EVT_TRIG_TRACE(JVMTI_EVENT_FIELD_ACCESS, ("[%s] Trg Field Access event triggered", |
1 | 1901 |
JvmtiTrace::safe_get_thread_name(thread))); |
1902 |
JvmtiEnvThreadStateIterator it(state); |
|
1903 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
1904 |
if (ets->is_enabled(JVMTI_EVENT_FIELD_ACCESS)) { |
|
37992 | 1905 |
EVT_TRACE(JVMTI_EVENT_FIELD_ACCESS, ("[%s] Evt Field Access event sent %s.%s @ " INTX_FORMAT, |
1 | 1906 |
JvmtiTrace::safe_get_thread_name(thread), |
1907 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
1908 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
|
1909 |
location - mh()->code_base() )); |
|
1910 |
||
1911 |
JvmtiEnv *env = ets->get_env(); |
|
1912 |
JvmtiLocationEventMark jem(thread, mh, location); |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1913 |
jclass field_jclass = jem.to_jclass(field_klass); |
1 | 1914 |
jobject field_jobject = jem.to_jobject(object()); |
1915 |
JvmtiJavaThreadEventTransition jet(thread); |
|
1916 |
jvmtiEventFieldAccess callback = env->callbacks()->FieldAccess; |
|
1917 |
if (callback != NULL) { |
|
1918 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
1919 |
jem.jni_methodID(), jem.location(), |
|
1920 |
field_jclass, field_jobject, field); |
|
1921 |
} |
|
1922 |
} |
|
1923 |
} |
|
1924 |
} |
|
1925 |
||
1926 |
oop JvmtiExport::jni_SetField_probe(JavaThread *thread, jobject jobj, oop obj, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1927 |
Klass* klass, jfieldID fieldID, bool is_static, |
1 | 1928 |
char sig_type, jvalue *value) { |
1929 |
if (*((int *)get_field_modification_count_addr()) > 0 && thread->has_last_Java_frame()) { |
|
1930 |
// At least one field modification watch is set so we have more work |
|
1931 |
// to do. This wrapper is used by entry points that allow us |
|
1932 |
// to create handles in post_field_modification_by_jni(). |
|
1933 |
post_field_modification_by_jni(thread, obj, klass, fieldID, is_static, sig_type, value); |
|
1934 |
// event posting can block so refetch oop if we were passed a jobj |
|
1935 |
if (jobj != NULL) return JNIHandles::resolve_non_null(jobj); |
|
1936 |
} |
|
1937 |
return obj; |
|
1938 |
} |
|
1939 |
||
1940 |
oop JvmtiExport::jni_SetField_probe_nh(JavaThread *thread, jobject jobj, oop obj, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1941 |
Klass* klass, jfieldID fieldID, bool is_static, |
1 | 1942 |
char sig_type, jvalue *value) { |
1943 |
if (*((int *)get_field_modification_count_addr()) > 0 && thread->has_last_Java_frame()) { |
|
1944 |
// At least one field modification watch is set so we have more work |
|
1945 |
// to do. This wrapper is used by "quick" entry points that don't |
|
1946 |
// allow us to create handles in post_field_modification_by_jni(). We |
|
1947 |
// override that with a ResetNoHandleMark. |
|
1948 |
ResetNoHandleMark rnhm; |
|
1949 |
post_field_modification_by_jni(thread, obj, klass, fieldID, is_static, sig_type, value); |
|
1950 |
// event posting can block so refetch oop if we were passed a jobj |
|
1951 |
if (jobj != NULL) return JNIHandles::resolve_non_null(jobj); |
|
1952 |
} |
|
1953 |
return obj; |
|
1954 |
} |
|
1955 |
||
1956 |
void JvmtiExport::post_field_modification_by_jni(JavaThread *thread, oop obj, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1957 |
Klass* klass, jfieldID fieldID, bool is_static, |
1 | 1958 |
char sig_type, jvalue *value) { |
1959 |
// We must be called with a Java context in order to provide reasonable |
|
1960 |
// values for the klazz, method, and location fields. The callers of this |
|
1961 |
// function don't make the call unless there is a Java context. |
|
1962 |
assert(thread->has_last_Java_frame(), "must be called with Java context"); |
|
1963 |
||
1964 |
ResourceMark rm; |
|
1965 |
fieldDescriptor fd; |
|
1966 |
// if get_field_descriptor finds fieldID to be invalid, then we just bail |
|
1967 |
bool valid_fieldID = JvmtiEnv::get_field_descriptor(klass, fieldID, &fd); |
|
1968 |
assert(valid_fieldID == true,"post_field_modification_by_jni called with invalid fieldID"); |
|
1969 |
if (!valid_fieldID) return; |
|
1970 |
// field modifications are not watched so bail |
|
1971 |
if (!fd.is_field_modification_watched()) return; |
|
1972 |
||
1973 |
HandleMark hm(thread); |
|
1974 |
||
1975 |
Handle h_obj; |
|
1976 |
if (!is_static) { |
|
1977 |
// non-static field accessors have an object, but we need a handle |
|
1978 |
assert(obj != NULL, "non-static needs an object"); |
|
1979 |
h_obj = Handle(thread, obj); |
|
1980 |
} |
|
1981 |
post_field_modification(thread, |
|
1982 |
thread->last_frame().interpreter_frame_method(), |
|
1983 |
thread->last_frame().interpreter_frame_bcp(), |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1984 |
klass, h_obj, fieldID, sig_type, value); |
1 | 1985 |
} |
1986 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1987 |
void JvmtiExport::post_raw_field_modification(JavaThread *thread, Method* method, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1988 |
address location, Klass* field_klass, Handle object, jfieldID field, |
1 | 1989 |
char sig_type, jvalue *value) { |
1990 |
||
37480 | 1991 |
if (sig_type == 'I' || sig_type == 'Z' || sig_type == 'B' || sig_type == 'C' || sig_type == 'S') { |
1 | 1992 |
// 'I' instructions are used for byte, char, short and int. |
1993 |
// determine which it really is, and convert |
|
1994 |
fieldDescriptor fd; |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
1995 |
bool found = JvmtiEnv::get_field_descriptor(field_klass, field, &fd); |
1 | 1996 |
// should be found (if not, leave as is) |
1997 |
if (found) { |
|
1998 |
jint ival = value->i; |
|
1999 |
// convert value from int to appropriate type |
|
2000 |
switch (fd.field_type()) { |
|
2001 |
case T_BOOLEAN: |
|
2002 |
sig_type = 'Z'; |
|
2003 |
value->i = 0; // clear it |
|
2004 |
value->z = (jboolean)ival; |
|
2005 |
break; |
|
2006 |
case T_BYTE: |
|
2007 |
sig_type = 'B'; |
|
2008 |
value->i = 0; // clear it |
|
2009 |
value->b = (jbyte)ival; |
|
2010 |
break; |
|
2011 |
case T_CHAR: |
|
2012 |
sig_type = 'C'; |
|
2013 |
value->i = 0; // clear it |
|
2014 |
value->c = (jchar)ival; |
|
2015 |
break; |
|
2016 |
case T_SHORT: |
|
2017 |
sig_type = 'S'; |
|
2018 |
value->i = 0; // clear it |
|
2019 |
value->s = (jshort)ival; |
|
2020 |
break; |
|
2021 |
case T_INT: |
|
2022 |
// nothing to do |
|
2023 |
break; |
|
2024 |
default: |
|
2025 |
// this is an integer instruction, should be one of above |
|
2026 |
ShouldNotReachHere(); |
|
2027 |
break; |
|
2028 |
} |
|
2029 |
} |
|
2030 |
} |
|
2031 |
||
17597
48ed8470e935
4965252: JvmtiExport::post_raw_field_modification jni ref handling is odd
rbackman
parents:
17368
diff
changeset
|
2032 |
assert(sig_type != '[', "array should have sig_type == 'L'"); |
48ed8470e935
4965252: JvmtiExport::post_raw_field_modification jni ref handling is odd
rbackman
parents:
17368
diff
changeset
|
2033 |
bool handle_created = false; |
48ed8470e935
4965252: JvmtiExport::post_raw_field_modification jni ref handling is odd
rbackman
parents:
17368
diff
changeset
|
2034 |
|
1 | 2035 |
// convert oop to JNI handle. |
17597
48ed8470e935
4965252: JvmtiExport::post_raw_field_modification jni ref handling is odd
rbackman
parents:
17368
diff
changeset
|
2036 |
if (sig_type == 'L') { |
48ed8470e935
4965252: JvmtiExport::post_raw_field_modification jni ref handling is odd
rbackman
parents:
17368
diff
changeset
|
2037 |
handle_created = true; |
1 | 2038 |
value->l = (jobject)JNIHandles::make_local(thread, (oop)value->l); |
2039 |
} |
|
2040 |
||
2041 |
post_field_modification(thread, method, location, field_klass, object, field, sig_type, value); |
|
2042 |
||
2043 |
// Destroy the JNI handle allocated above. |
|
17597
48ed8470e935
4965252: JvmtiExport::post_raw_field_modification jni ref handling is odd
rbackman
parents:
17368
diff
changeset
|
2044 |
if (handle_created) { |
1 | 2045 |
JNIHandles::destroy_local(value->l); |
2046 |
} |
|
2047 |
} |
|
2048 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
2049 |
void JvmtiExport::post_field_modification(JavaThread *thread, Method* method, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
2050 |
address location, Klass* field_klass, Handle object, jfieldID field, |
1 | 2051 |
char sig_type, jvalue *value_ptr) { |
2052 |
||
2053 |
HandleMark hm(thread); |
|
2054 |
methodHandle mh(thread, method); |
|
2055 |
||
2056 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
2057 |
if (state == NULL) { |
|
2058 |
return; |
|
2059 |
} |
|
2060 |
EVT_TRIG_TRACE(JVMTI_EVENT_FIELD_MODIFICATION, |
|
37992 | 2061 |
("[%s] Trg Field Modification event triggered", |
1 | 2062 |
JvmtiTrace::safe_get_thread_name(thread))); |
2063 |
||
2064 |
JvmtiEnvThreadStateIterator it(state); |
|
2065 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
2066 |
if (ets->is_enabled(JVMTI_EVENT_FIELD_MODIFICATION)) { |
|
2067 |
EVT_TRACE(JVMTI_EVENT_FIELD_MODIFICATION, |
|
37992 | 2068 |
("[%s] Evt Field Modification event sent %s.%s @ " INTX_FORMAT, |
1 | 2069 |
JvmtiTrace::safe_get_thread_name(thread), |
2070 |
(mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
|
2071 |
(mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
|
2072 |
location - mh()->code_base() )); |
|
2073 |
||
2074 |
JvmtiEnv *env = ets->get_env(); |
|
2075 |
JvmtiLocationEventMark jem(thread, mh, location); |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43679
diff
changeset
|
2076 |
jclass field_jclass = jem.to_jclass(field_klass); |
1 | 2077 |
jobject field_jobject = jem.to_jobject(object()); |
2078 |
JvmtiJavaThreadEventTransition jet(thread); |
|
2079 |
jvmtiEventFieldModification callback = env->callbacks()->FieldModification; |
|
2080 |
if (callback != NULL) { |
|
2081 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
2082 |
jem.jni_methodID(), jem.location(), |
|
2083 |
field_jclass, field_jobject, field, sig_type, *value_ptr); |
|
2084 |
} |
|
2085 |
} |
|
2086 |
} |
|
2087 |
} |
|
2088 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
2089 |
void JvmtiExport::post_native_method_bind(Method* method, address* function_ptr) { |
1 | 2090 |
JavaThread* thread = JavaThread::current(); |
2091 |
assert(thread->thread_state() == _thread_in_vm, "must be in vm state"); |
|
2092 |
||
2093 |
HandleMark hm(thread); |
|
2094 |
methodHandle mh(thread, method); |
|
2095 |
||
37992 | 2096 |
EVT_TRIG_TRACE(JVMTI_EVENT_NATIVE_METHOD_BIND, ("[%s] Trg Native Method Bind event triggered", |
1 | 2097 |
JvmtiTrace::safe_get_thread_name(thread))); |
2098 |
||
2099 |
if (JvmtiEventController::is_enabled(JVMTI_EVENT_NATIVE_METHOD_BIND)) { |
|
2100 |
JvmtiEnvIterator it; |
|
2101 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
2102 |
if (env->is_enabled(JVMTI_EVENT_NATIVE_METHOD_BIND)) { |
|
37992 | 2103 |
EVT_TRACE(JVMTI_EVENT_NATIVE_METHOD_BIND, ("[%s] Evt Native Method Bind event sent", |
1 | 2104 |
JvmtiTrace::safe_get_thread_name(thread) )); |
2105 |
||
2106 |
JvmtiMethodEventMark jem(thread, mh); |
|
2107 |
JvmtiJavaThreadEventTransition jet(thread); |
|
36508 | 2108 |
JNIEnv* jni_env = (env->phase() == JVMTI_PHASE_PRIMORDIAL) ? NULL : jem.jni_env(); |
1 | 2109 |
jvmtiEventNativeMethodBind callback = env->callbacks()->NativeMethodBind; |
2110 |
if (callback != NULL) { |
|
2111 |
(*callback)(env->jvmti_external(), jni_env, jem.jni_thread(), |
|
2112 |
jem.jni_methodID(), (void*)(*function_ptr), (void**)function_ptr); |
|
2113 |
} |
|
2114 |
} |
|
2115 |
} |
|
2116 |
} |
|
2117 |
} |
|
2118 |
||
4732
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2119 |
// Returns a record containing inlining information for the given nmethod |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2120 |
jvmtiCompiledMethodLoadInlineRecord* create_inline_record(nmethod* nm) { |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2121 |
jint numstackframes = 0; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2122 |
jvmtiCompiledMethodLoadInlineRecord* record = (jvmtiCompiledMethodLoadInlineRecord*)NEW_RESOURCE_OBJ(jvmtiCompiledMethodLoadInlineRecord); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2123 |
record->header.kind = JVMTI_CMLR_INLINE_INFO; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2124 |
record->header.next = NULL; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2125 |
record->header.majorinfoversion = JVMTI_CMLR_MAJOR_VERSION_1; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2126 |
record->header.minorinfoversion = JVMTI_CMLR_MINOR_VERSION_0; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2127 |
record->numpcs = 0; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2128 |
for(PcDesc* p = nm->scopes_pcs_begin(); p < nm->scopes_pcs_end(); p++) { |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2129 |
if(p->scope_decode_offset() == DebugInformationRecorder::serialized_null) continue; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2130 |
record->numpcs++; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2131 |
} |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2132 |
record->pcinfo = (PCStackInfo*)(NEW_RESOURCE_ARRAY(PCStackInfo, record->numpcs)); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2133 |
int scope = 0; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2134 |
for(PcDesc* p = nm->scopes_pcs_begin(); p < nm->scopes_pcs_end(); p++) { |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2135 |
if(p->scope_decode_offset() == DebugInformationRecorder::serialized_null) continue; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2136 |
void* pc_address = (void*)p->real_pc(nm); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2137 |
assert(pc_address != NULL, "pc_address must be non-null"); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2138 |
record->pcinfo[scope].pc = pc_address; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2139 |
numstackframes=0; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2140 |
for(ScopeDesc* sd = nm->scope_desc_at(p->real_pc(nm));sd != NULL;sd = sd->sender()) { |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2141 |
numstackframes++; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2142 |
} |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2143 |
assert(numstackframes != 0, "numstackframes must be nonzero."); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2144 |
record->pcinfo[scope].methods = (jmethodID *)NEW_RESOURCE_ARRAY(jmethodID, numstackframes); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2145 |
record->pcinfo[scope].bcis = (jint *)NEW_RESOURCE_ARRAY(jint, numstackframes); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2146 |
record->pcinfo[scope].numstackframes = numstackframes; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2147 |
int stackframe = 0; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2148 |
for(ScopeDesc* sd = nm->scope_desc_at(p->real_pc(nm));sd != NULL;sd = sd->sender()) { |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2149 |
// sd->method() can be NULL for stubs but not for nmethods. To be completely robust, include an assert that we should never see a null sd->method() |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
2150 |
assert(sd->method() != NULL, "sd->method() cannot be null."); |
4732
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2151 |
record->pcinfo[scope].methods[stackframe] = sd->method()->jmethod_id(); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2152 |
record->pcinfo[scope].bcis[stackframe] = sd->bci(); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2153 |
stackframe++; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2154 |
} |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2155 |
scope++; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2156 |
} |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2157 |
return record; |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2158 |
} |
1 | 2159 |
|
2160 |
void JvmtiExport::post_compiled_method_load(nmethod *nm) { |
|
36508 | 2161 |
if (JvmtiEnv::get_phase() < JVMTI_PHASE_PRIMORDIAL) { |
2162 |
return; |
|
2163 |
} |
|
1 | 2164 |
JavaThread* thread = JavaThread::current(); |
2165 |
||
2166 |
EVT_TRIG_TRACE(JVMTI_EVENT_COMPILED_METHOD_LOAD, |
|
37992 | 2167 |
("[%s] method compile load event triggered", |
1 | 2168 |
JvmtiTrace::safe_get_thread_name(thread))); |
2169 |
||
2170 |
JvmtiEnvIterator it; |
|
2171 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
2172 |
if (env->is_enabled(JVMTI_EVENT_COMPILED_METHOD_LOAD)) { |
|
36508 | 2173 |
if (env->phase() == JVMTI_PHASE_PRIMORDIAL) { |
2174 |
continue; |
|
2175 |
} |
|
1 | 2176 |
EVT_TRACE(JVMTI_EVENT_COMPILED_METHOD_LOAD, |
37992 | 2177 |
("[%s] class compile method load event sent %s.%s ", |
1 | 2178 |
JvmtiTrace::safe_get_thread_name(thread), |
2179 |
(nm->method() == NULL) ? "NULL" : nm->method()->klass_name()->as_C_string(), |
|
2180 |
(nm->method() == NULL) ? "NULL" : nm->method()->name()->as_C_string())); |
|
2181 |
ResourceMark rm(thread); |
|
8110
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
2182 |
HandleMark hm(thread); |
4732
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2183 |
|
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2184 |
// Add inlining information |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2185 |
jvmtiCompiledMethodLoadInlineRecord* inlinerecord = create_inline_record(nm); |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2186 |
// Pass inlining information through the void pointer |
a70548606f73
6580131: 3/4 CompiledMethodLoad events don't produce the expected extra notifications to describe inlining
dcubed
parents:
4491
diff
changeset
|
2187 |
JvmtiCompiledMethodLoadEventMark jem(thread, nm, inlinerecord); |
1 | 2188 |
JvmtiJavaThreadEventTransition jet(thread); |
2189 |
jvmtiEventCompiledMethodLoad callback = env->callbacks()->CompiledMethodLoad; |
|
2190 |
if (callback != NULL) { |
|
2191 |
(*callback)(env->jvmti_external(), jem.jni_methodID(), |
|
2192 |
jem.code_size(), jem.code_data(), jem.map_length(), |
|
2193 |
jem.map(), jem.compile_info()); |
|
2194 |
} |
|
2195 |
} |
|
2196 |
} |
|
2197 |
} |
|
2198 |
||
2199 |
||
2200 |
// post a COMPILED_METHOD_LOAD event for a given environment |
|
2201 |
void JvmtiExport::post_compiled_method_load(JvmtiEnv* env, const jmethodID method, const jint length, |
|
2202 |
const void *code_begin, const jint map_length, |
|
2203 |
const jvmtiAddrLocationMap* map) |
|
2204 |
{ |
|
36508 | 2205 |
if (env->phase() <= JVMTI_PHASE_PRIMORDIAL) { |
2206 |
return; |
|
2207 |
} |
|
1 | 2208 |
JavaThread* thread = JavaThread::current(); |
2209 |
EVT_TRIG_TRACE(JVMTI_EVENT_COMPILED_METHOD_LOAD, |
|
37992 | 2210 |
("[%s] method compile load event triggered (by GenerateEvents)", |
1 | 2211 |
JvmtiTrace::safe_get_thread_name(thread))); |
2212 |
if (env->is_enabled(JVMTI_EVENT_COMPILED_METHOD_LOAD)) { |
|
2213 |
||
2214 |
EVT_TRACE(JVMTI_EVENT_COMPILED_METHOD_LOAD, |
|
37992 | 2215 |
("[%s] class compile method load event sent (by GenerateEvents), jmethodID=" PTR_FORMAT, |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
32817
diff
changeset
|
2216 |
JvmtiTrace::safe_get_thread_name(thread), p2i(method))); |
1 | 2217 |
|
2218 |
JvmtiEventMark jem(thread); |
|
2219 |
JvmtiJavaThreadEventTransition jet(thread); |
|
2220 |
jvmtiEventCompiledMethodLoad callback = env->callbacks()->CompiledMethodLoad; |
|
2221 |
if (callback != NULL) { |
|
2222 |
(*callback)(env->jvmti_external(), method, |
|
2223 |
length, code_begin, map_length, |
|
2224 |
map, NULL); |
|
2225 |
} |
|
2226 |
} |
|
2227 |
} |
|
2228 |
||
2229 |
void JvmtiExport::post_dynamic_code_generated_internal(const char *name, const void *code_begin, const void *code_end) { |
|
9405
d2e9ee78c3c1
7039447: 2/1 java profiling is broken in build 139 (garbage in function name)
dcubed
parents:
8475
diff
changeset
|
2230 |
assert(name != NULL && name[0] != '\0', "sanity check"); |
d2e9ee78c3c1
7039447: 2/1 java profiling is broken in build 139 (garbage in function name)
dcubed
parents:
8475
diff
changeset
|
2231 |
|
1 | 2232 |
JavaThread* thread = JavaThread::current(); |
8475
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2233 |
// In theory everyone coming thru here is in_vm but we need to be certain |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2234 |
// because a callee will do a vm->native transition |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2235 |
ThreadInVMfromUnknown __tiv; |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2236 |
|
1 | 2237 |
EVT_TRIG_TRACE(JVMTI_EVENT_DYNAMIC_CODE_GENERATED, |
37992 | 2238 |
("[%s] method dynamic code generated event triggered", |
1 | 2239 |
JvmtiTrace::safe_get_thread_name(thread))); |
2240 |
JvmtiEnvIterator it; |
|
2241 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
2242 |
if (env->is_enabled(JVMTI_EVENT_DYNAMIC_CODE_GENERATED)) { |
|
2243 |
EVT_TRACE(JVMTI_EVENT_DYNAMIC_CODE_GENERATED, |
|
37992 | 2244 |
("[%s] dynamic code generated event sent for %s", |
1 | 2245 |
JvmtiTrace::safe_get_thread_name(thread), name)); |
2246 |
JvmtiEventMark jem(thread); |
|
2247 |
JvmtiJavaThreadEventTransition jet(thread); |
|
2248 |
jint length = (jint)pointer_delta(code_end, code_begin, sizeof(char)); |
|
2249 |
jvmtiEventDynamicCodeGenerated callback = env->callbacks()->DynamicCodeGenerated; |
|
2250 |
if (callback != NULL) { |
|
2251 |
(*callback)(env->jvmti_external(), name, (void*)code_begin, length); |
|
2252 |
} |
|
2253 |
} |
|
2254 |
} |
|
2255 |
} |
|
2256 |
||
2257 |
void JvmtiExport::post_dynamic_code_generated(const char *name, const void *code_begin, const void *code_end) { |
|
2258 |
jvmtiPhase phase = JvmtiEnv::get_phase(); |
|
2259 |
if (phase == JVMTI_PHASE_PRIMORDIAL || phase == JVMTI_PHASE_START) { |
|
2260 |
post_dynamic_code_generated_internal(name, code_begin, code_end); |
|
8475
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2261 |
} else { |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2262 |
// It may not be safe to post the event from this thread. Defer all |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2263 |
// postings to the service thread so that it can perform them in a safe |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2264 |
// context and in-order. |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2265 |
MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2266 |
JvmtiDeferredEvent event = JvmtiDeferredEvent::dynamic_code_generated_event( |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2267 |
name, code_begin, code_end); |
c2b97a27943a
7017640: Fix for 6766644 deadlocks on some NSK tests when running with -Xcomp
kamg
parents:
8110
diff
changeset
|
2268 |
JvmtiDeferredEventQueue::enqueue(event); |
1 | 2269 |
} |
2270 |
} |
|
2271 |
||
2272 |
||
2273 |
// post a DYNAMIC_CODE_GENERATED event for a given environment |
|
2274 |
// used by GenerateEvents |
|
2275 |
void JvmtiExport::post_dynamic_code_generated(JvmtiEnv* env, const char *name, |
|
2276 |
const void *code_begin, const void *code_end) |
|
2277 |
{ |
|
2278 |
JavaThread* thread = JavaThread::current(); |
|
2279 |
EVT_TRIG_TRACE(JVMTI_EVENT_DYNAMIC_CODE_GENERATED, |
|
37992 | 2280 |
("[%s] dynamic code generated event triggered (by GenerateEvents)", |
1 | 2281 |
JvmtiTrace::safe_get_thread_name(thread))); |
2282 |
if (env->is_enabled(JVMTI_EVENT_DYNAMIC_CODE_GENERATED)) { |
|
2283 |
EVT_TRACE(JVMTI_EVENT_DYNAMIC_CODE_GENERATED, |
|
37992 | 2284 |
("[%s] dynamic code generated event sent for %s", |
1 | 2285 |
JvmtiTrace::safe_get_thread_name(thread), name)); |
2286 |
JvmtiEventMark jem(thread); |
|
2287 |
JvmtiJavaThreadEventTransition jet(thread); |
|
2288 |
jint length = (jint)pointer_delta(code_end, code_begin, sizeof(char)); |
|
2289 |
jvmtiEventDynamicCodeGenerated callback = env->callbacks()->DynamicCodeGenerated; |
|
2290 |
if (callback != NULL) { |
|
2291 |
(*callback)(env->jvmti_external(), name, (void*)code_begin, length); |
|
2292 |
} |
|
2293 |
} |
|
2294 |
} |
|
2295 |
||
2296 |
// post a DynamicCodeGenerated event while holding locks in the VM. |
|
2297 |
void JvmtiExport::post_dynamic_code_generated_while_holding_locks(const char* name, |
|
2298 |
address code_begin, address code_end) |
|
2299 |
{ |
|
2300 |
// register the stub with the current dynamic code event collector |
|
2301 |
JvmtiThreadState* state = JvmtiThreadState::state_for(JavaThread::current()); |
|
2135
f82c3012ec86
6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
dcubed
parents:
1374
diff
changeset
|
2302 |
// state can only be NULL if the current thread is exiting which |
f82c3012ec86
6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
dcubed
parents:
1374
diff
changeset
|
2303 |
// should not happen since we're trying to post an event |
f82c3012ec86
6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
dcubed
parents:
1374
diff
changeset
|
2304 |
guarantee(state != NULL, "attempt to register stub via an exiting thread"); |
1 | 2305 |
JvmtiDynamicCodeEventCollector* collector = state->get_dynamic_code_event_collector(); |
2306 |
guarantee(collector != NULL, "attempt to register stub without event collector"); |
|
2307 |
collector->register_stub(name, code_begin, code_end); |
|
2308 |
} |
|
2309 |
||
2310 |
// Collect all the vm internally allocated objects which are visible to java world |
|
2311 |
void JvmtiExport::record_vm_internal_object_allocation(oop obj) { |
|
34633
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents:
33148
diff
changeset
|
2312 |
Thread* thread = Thread::current_or_null(); |
1 | 2313 |
if (thread != NULL && thread->is_Java_thread()) { |
2314 |
// Can not take safepoint here. |
|
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
34633
diff
changeset
|
2315 |
NoSafepointVerifier no_sfpt; |
1 | 2316 |
// Can not take safepoint here so can not use state_for to get |
2317 |
// jvmti thread state. |
|
2318 |
JvmtiThreadState *state = ((JavaThread*)thread)->jvmti_thread_state(); |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2319 |
if (state != NULL) { |
1 | 2320 |
// state is non NULL when VMObjectAllocEventCollector is enabled. |
2321 |
JvmtiVMObjectAllocEventCollector *collector; |
|
2322 |
collector = state->get_vm_object_alloc_event_collector(); |
|
2323 |
if (collector != NULL && collector->is_enabled()) { |
|
2324 |
// Don't record classes as these will be notified via the ClassLoad |
|
2325 |
// event. |
|
4571 | 2326 |
if (obj->klass() != SystemDictionary::Class_klass()) { |
1 | 2327 |
collector->record_allocation(obj); |
2328 |
} |
|
2329 |
} |
|
2330 |
} |
|
2331 |
} |
|
2332 |
} |
|
2333 |
||
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2334 |
// Collect all the sampled allocated objects. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2335 |
void JvmtiExport::record_sampled_internal_object_allocation(oop obj) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2336 |
Thread* thread = Thread::current_or_null(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2337 |
if (thread != NULL && thread->is_Java_thread()) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2338 |
// Can not take safepoint here. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2339 |
NoSafepointVerifier no_sfpt; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2340 |
// Can not take safepoint here so can not use state_for to get |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2341 |
// jvmti thread state. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2342 |
JvmtiThreadState *state = ((JavaThread*)thread)->jvmti_thread_state(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2343 |
if (state != NULL) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2344 |
// state is non NULL when SampledObjectAllocEventCollector is enabled. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2345 |
JvmtiSampledObjectAllocEventCollector *collector; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2346 |
collector = state->get_sampled_object_alloc_event_collector(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2347 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2348 |
if (collector != NULL && collector->is_enabled()) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2349 |
collector->record_allocation(obj); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2350 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2351 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2352 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2353 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2354 |
|
1 | 2355 |
void JvmtiExport::post_garbage_collection_finish() { |
2356 |
Thread *thread = Thread::current(); // this event is posted from VM-Thread. |
|
2357 |
EVT_TRIG_TRACE(JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, |
|
37992 | 2358 |
("[%s] garbage collection finish event triggered", |
1 | 2359 |
JvmtiTrace::safe_get_thread_name(thread))); |
2360 |
JvmtiEnvIterator it; |
|
2361 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
2362 |
if (env->is_enabled(JVMTI_EVENT_GARBAGE_COLLECTION_FINISH)) { |
|
2363 |
EVT_TRACE(JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, |
|
37992 | 2364 |
("[%s] garbage collection finish event sent", |
1 | 2365 |
JvmtiTrace::safe_get_thread_name(thread))); |
2366 |
JvmtiThreadEventTransition jet(thread); |
|
2367 |
// JNIEnv is NULL here because this event is posted from VM Thread |
|
2368 |
jvmtiEventGarbageCollectionFinish callback = env->callbacks()->GarbageCollectionFinish; |
|
2369 |
if (callback != NULL) { |
|
2370 |
(*callback)(env->jvmti_external()); |
|
2371 |
} |
|
2372 |
} |
|
2373 |
} |
|
2374 |
} |
|
2375 |
||
2376 |
void JvmtiExport::post_garbage_collection_start() { |
|
2377 |
Thread* thread = Thread::current(); // this event is posted from vm-thread. |
|
2378 |
EVT_TRIG_TRACE(JVMTI_EVENT_GARBAGE_COLLECTION_START, |
|
37992 | 2379 |
("[%s] garbage collection start event triggered", |
1 | 2380 |
JvmtiTrace::safe_get_thread_name(thread))); |
2381 |
JvmtiEnvIterator it; |
|
2382 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
2383 |
if (env->is_enabled(JVMTI_EVENT_GARBAGE_COLLECTION_START)) { |
|
2384 |
EVT_TRACE(JVMTI_EVENT_GARBAGE_COLLECTION_START, |
|
37992 | 2385 |
("[%s] garbage collection start event sent", |
1 | 2386 |
JvmtiTrace::safe_get_thread_name(thread))); |
2387 |
JvmtiThreadEventTransition jet(thread); |
|
2388 |
// JNIEnv is NULL here because this event is posted from VM Thread |
|
2389 |
jvmtiEventGarbageCollectionStart callback = env->callbacks()->GarbageCollectionStart; |
|
2390 |
if (callback != NULL) { |
|
2391 |
(*callback)(env->jvmti_external()); |
|
2392 |
} |
|
2393 |
} |
|
2394 |
} |
|
2395 |
} |
|
2396 |
||
2397 |
void JvmtiExport::post_data_dump() { |
|
2398 |
Thread *thread = Thread::current(); |
|
2399 |
EVT_TRIG_TRACE(JVMTI_EVENT_DATA_DUMP_REQUEST, |
|
37992 | 2400 |
("[%s] data dump request event triggered", |
1 | 2401 |
JvmtiTrace::safe_get_thread_name(thread))); |
2402 |
JvmtiEnvIterator it; |
|
2403 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
2404 |
if (env->is_enabled(JVMTI_EVENT_DATA_DUMP_REQUEST)) { |
|
2405 |
EVT_TRACE(JVMTI_EVENT_DATA_DUMP_REQUEST, |
|
37992 | 2406 |
("[%s] data dump request event sent", |
1 | 2407 |
JvmtiTrace::safe_get_thread_name(thread))); |
2408 |
JvmtiThreadEventTransition jet(thread); |
|
2409 |
// JNIEnv is NULL here because this event is posted from VM Thread |
|
2410 |
jvmtiEventDataDumpRequest callback = env->callbacks()->DataDumpRequest; |
|
2411 |
if (callback != NULL) { |
|
2412 |
(*callback)(env->jvmti_external()); |
|
2413 |
} |
|
2414 |
} |
|
2415 |
} |
|
2416 |
} |
|
2417 |
||
2418 |
void JvmtiExport::post_monitor_contended_enter(JavaThread *thread, ObjectMonitor *obj_mntr) { |
|
2419 |
oop object = (oop)obj_mntr->object(); |
|
2420 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
2421 |
if (state == NULL) { |
|
2422 |
return; |
|
2423 |
} |
|
2424 |
||
2425 |
HandleMark hm(thread); |
|
2426 |
Handle h(thread, object); |
|
2427 |
||
2428 |
EVT_TRIG_TRACE(JVMTI_EVENT_MONITOR_CONTENDED_ENTER, |
|
37992 | 2429 |
("[%s] montior contended enter event triggered", |
1 | 2430 |
JvmtiTrace::safe_get_thread_name(thread))); |
2431 |
||
2432 |
JvmtiEnvThreadStateIterator it(state); |
|
2433 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
2434 |
if (ets->is_enabled(JVMTI_EVENT_MONITOR_CONTENDED_ENTER)) { |
|
2435 |
EVT_TRACE(JVMTI_EVENT_MONITOR_CONTENDED_ENTER, |
|
37992 | 2436 |
("[%s] monitor contended enter event sent", |
1 | 2437 |
JvmtiTrace::safe_get_thread_name(thread))); |
2438 |
JvmtiMonitorEventMark jem(thread, h()); |
|
2439 |
JvmtiEnv *env = ets->get_env(); |
|
2440 |
JvmtiThreadEventTransition jet(thread); |
|
2441 |
jvmtiEventMonitorContendedEnter callback = env->callbacks()->MonitorContendedEnter; |
|
2442 |
if (callback != NULL) { |
|
2443 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_object()); |
|
2444 |
} |
|
2445 |
} |
|
2446 |
} |
|
2447 |
} |
|
2448 |
||
2449 |
void JvmtiExport::post_monitor_contended_entered(JavaThread *thread, ObjectMonitor *obj_mntr) { |
|
2450 |
oop object = (oop)obj_mntr->object(); |
|
2451 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
2452 |
if (state == NULL) { |
|
2453 |
return; |
|
2454 |
} |
|
2455 |
||
2456 |
HandleMark hm(thread); |
|
2457 |
Handle h(thread, object); |
|
2458 |
||
2459 |
EVT_TRIG_TRACE(JVMTI_EVENT_MONITOR_CONTENDED_ENTERED, |
|
37992 | 2460 |
("[%s] montior contended entered event triggered", |
1 | 2461 |
JvmtiTrace::safe_get_thread_name(thread))); |
2462 |
||
2463 |
JvmtiEnvThreadStateIterator it(state); |
|
2464 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
2465 |
if (ets->is_enabled(JVMTI_EVENT_MONITOR_CONTENDED_ENTERED)) { |
|
2466 |
EVT_TRACE(JVMTI_EVENT_MONITOR_CONTENDED_ENTERED, |
|
37992 | 2467 |
("[%s] monitor contended enter event sent", |
1 | 2468 |
JvmtiTrace::safe_get_thread_name(thread))); |
2469 |
JvmtiMonitorEventMark jem(thread, h()); |
|
2470 |
JvmtiEnv *env = ets->get_env(); |
|
2471 |
JvmtiThreadEventTransition jet(thread); |
|
2472 |
jvmtiEventMonitorContendedEntered callback = env->callbacks()->MonitorContendedEntered; |
|
2473 |
if (callback != NULL) { |
|
2474 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_object()); |
|
2475 |
} |
|
2476 |
} |
|
2477 |
} |
|
2478 |
} |
|
2479 |
||
2480 |
void JvmtiExport::post_monitor_wait(JavaThread *thread, oop object, |
|
2481 |
jlong timeout) { |
|
2482 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
2483 |
if (state == NULL) { |
|
2484 |
return; |
|
2485 |
} |
|
2486 |
||
2487 |
HandleMark hm(thread); |
|
2488 |
Handle h(thread, object); |
|
2489 |
||
2490 |
EVT_TRIG_TRACE(JVMTI_EVENT_MONITOR_WAIT, |
|
37992 | 2491 |
("[%s] montior wait event triggered", |
1 | 2492 |
JvmtiTrace::safe_get_thread_name(thread))); |
2493 |
||
2494 |
JvmtiEnvThreadStateIterator it(state); |
|
2495 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
2496 |
if (ets->is_enabled(JVMTI_EVENT_MONITOR_WAIT)) { |
|
2497 |
EVT_TRACE(JVMTI_EVENT_MONITOR_WAIT, |
|
37992 | 2498 |
("[%s] monitor wait event sent", |
1 | 2499 |
JvmtiTrace::safe_get_thread_name(thread))); |
2500 |
JvmtiMonitorEventMark jem(thread, h()); |
|
2501 |
JvmtiEnv *env = ets->get_env(); |
|
2502 |
JvmtiThreadEventTransition jet(thread); |
|
2503 |
jvmtiEventMonitorWait callback = env->callbacks()->MonitorWait; |
|
2504 |
if (callback != NULL) { |
|
2505 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
2506 |
jem.jni_object(), timeout); |
|
2507 |
} |
|
2508 |
} |
|
2509 |
} |
|
2510 |
} |
|
2511 |
||
2512 |
void JvmtiExport::post_monitor_waited(JavaThread *thread, ObjectMonitor *obj_mntr, jboolean timed_out) { |
|
2513 |
oop object = (oop)obj_mntr->object(); |
|
2514 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
|
2515 |
if (state == NULL) { |
|
2516 |
return; |
|
2517 |
} |
|
2518 |
||
2519 |
HandleMark hm(thread); |
|
2520 |
Handle h(thread, object); |
|
2521 |
||
2522 |
EVT_TRIG_TRACE(JVMTI_EVENT_MONITOR_WAITED, |
|
37992 | 2523 |
("[%s] montior waited event triggered", |
1 | 2524 |
JvmtiTrace::safe_get_thread_name(thread))); |
2525 |
||
2526 |
JvmtiEnvThreadStateIterator it(state); |
|
2527 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
|
2528 |
if (ets->is_enabled(JVMTI_EVENT_MONITOR_WAITED)) { |
|
2529 |
EVT_TRACE(JVMTI_EVENT_MONITOR_WAITED, |
|
37992 | 2530 |
("[%s] monitor waited event sent", |
1 | 2531 |
JvmtiTrace::safe_get_thread_name(thread))); |
2532 |
JvmtiMonitorEventMark jem(thread, h()); |
|
2533 |
JvmtiEnv *env = ets->get_env(); |
|
2534 |
JvmtiThreadEventTransition jet(thread); |
|
2535 |
jvmtiEventMonitorWaited callback = env->callbacks()->MonitorWaited; |
|
2536 |
if (callback != NULL) { |
|
2537 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
2538 |
jem.jni_object(), timed_out); |
|
2539 |
} |
|
2540 |
} |
|
2541 |
} |
|
2542 |
} |
|
2543 |
||
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2544 |
void JvmtiExport::post_vm_object_alloc(JavaThread *thread, oop object) { |
37992 | 2545 |
EVT_TRIG_TRACE(JVMTI_EVENT_VM_OBJECT_ALLOC, ("[%s] Trg vm object alloc triggered", |
1 | 2546 |
JvmtiTrace::safe_get_thread_name(thread))); |
2547 |
if (object == NULL) { |
|
2548 |
return; |
|
2549 |
} |
|
2550 |
HandleMark hm(thread); |
|
2551 |
Handle h(thread, object); |
|
2552 |
JvmtiEnvIterator it; |
|
2553 |
for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
|
2554 |
if (env->is_enabled(JVMTI_EVENT_VM_OBJECT_ALLOC)) { |
|
37992 | 2555 |
EVT_TRACE(JVMTI_EVENT_VM_OBJECT_ALLOC, ("[%s] Evt vmobject alloc sent %s", |
1 | 2556 |
JvmtiTrace::safe_get_thread_name(thread), |
37500 | 2557 |
object==NULL? "NULL" : object->klass()->external_name())); |
1 | 2558 |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2559 |
JvmtiObjectAllocEventMark jem(thread, h()); |
1 | 2560 |
JvmtiJavaThreadEventTransition jet(thread); |
2561 |
jvmtiEventVMObjectAlloc callback = env->callbacks()->VMObjectAlloc; |
|
2562 |
if (callback != NULL) { |
|
2563 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
|
2564 |
jem.jni_jobject(), jem.jni_class(), jem.size()); |
|
2565 |
} |
|
2566 |
} |
|
2567 |
} |
|
2568 |
} |
|
2569 |
||
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2570 |
void JvmtiExport::post_sampled_object_alloc(JavaThread *thread, oop object) { |
53032
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2571 |
JvmtiThreadState *state = thread->jvmti_thread_state(); |
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2572 |
if (state == NULL) { |
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2573 |
return; |
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2574 |
} |
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2575 |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2576 |
EVT_TRIG_TRACE(JVMTI_EVENT_SAMPLED_OBJECT_ALLOC, |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2577 |
("[%s] Trg sampled object alloc triggered", |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2578 |
JvmtiTrace::safe_get_thread_name(thread))); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2579 |
if (object == NULL) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2580 |
return; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2581 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2582 |
HandleMark hm(thread); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2583 |
Handle h(thread, object); |
53032
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2584 |
|
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2585 |
JvmtiEnvThreadStateIterator it(state); |
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2586 |
for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2587 |
if (ets->is_enabled(JVMTI_EVENT_SAMPLED_OBJECT_ALLOC)) { |
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2588 |
EVT_TRACE(JVMTI_EVENT_SAMPLED_OBJECT_ALLOC, |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2589 |
("[%s] Evt sampled object alloc sent %s", |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2590 |
JvmtiTrace::safe_get_thread_name(thread), |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2591 |
object == NULL ? "NULL" : object->klass()->external_name())); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2592 |
|
53032
89bb635ed093
8201655: Add thread-enabled support for the Heap Sampling
jcbeyler
parents:
52691
diff
changeset
|
2593 |
JvmtiEnv *env = ets->get_env(); |
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2594 |
JvmtiObjectAllocEventMark jem(thread, h()); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2595 |
JvmtiJavaThreadEventTransition jet(thread); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2596 |
jvmtiEventSampledObjectAlloc callback = env->callbacks()->SampledObjectAlloc; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2597 |
if (callback != NULL) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2598 |
(*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2599 |
jem.jni_jobject(), jem.jni_class(), jem.size()); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2600 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2601 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2602 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2603 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2604 |
|
1 | 2605 |
//////////////////////////////////////////////////////////////////////////////////////////////// |
2606 |
||
2607 |
void JvmtiExport::cleanup_thread(JavaThread* thread) { |
|
2608 |
assert(JavaThread::current() == thread, "thread is not current"); |
|
7897
201a8b00ec91
6814943: getcpool001 catches more than one JvmtiThreadState problem
kamg
parents:
7896
diff
changeset
|
2609 |
MutexLocker mu(JvmtiThreadState_lock); |
1 | 2610 |
|
7897
201a8b00ec91
6814943: getcpool001 catches more than one JvmtiThreadState problem
kamg
parents:
7896
diff
changeset
|
2611 |
if (thread->jvmti_thread_state() != NULL) { |
201a8b00ec91
6814943: getcpool001 catches more than one JvmtiThreadState problem
kamg
parents:
7896
diff
changeset
|
2612 |
// This has to happen after the thread state is removed, which is |
201a8b00ec91
6814943: getcpool001 catches more than one JvmtiThreadState problem
kamg
parents:
7896
diff
changeset
|
2613 |
// why it is not in post_thread_end_event like its complement |
201a8b00ec91
6814943: getcpool001 catches more than one JvmtiThreadState problem
kamg
parents:
7896
diff
changeset
|
2614 |
// Maybe both these functions should be rolled into the posts? |
201a8b00ec91
6814943: getcpool001 catches more than one JvmtiThreadState problem
kamg
parents:
7896
diff
changeset
|
2615 |
JvmtiEventController::thread_ended(thread); |
201a8b00ec91
6814943: getcpool001 catches more than one JvmtiThreadState problem
kamg
parents:
7896
diff
changeset
|
2616 |
} |
1 | 2617 |
} |
2618 |
||
22897
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
19553
diff
changeset
|
2619 |
void JvmtiExport::clear_detected_exception(JavaThread* thread) { |
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
19553
diff
changeset
|
2620 |
assert(JavaThread::current() == thread, "thread is not current"); |
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
19553
diff
changeset
|
2621 |
|
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
19553
diff
changeset
|
2622 |
JvmtiThreadState* state = thread->jvmti_thread_state(); |
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
19553
diff
changeset
|
2623 |
if (state != NULL) { |
42895
c97cd79636ec
8165496: assert(_exception_caught == false) failed: _exception_caught is out of phase
dsamersoff
parents:
42650
diff
changeset
|
2624 |
state->clear_exception_state(); |
22897
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
19553
diff
changeset
|
2625 |
} |
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
19553
diff
changeset
|
2626 |
} |
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
19553
diff
changeset
|
2627 |
|
1 | 2628 |
void JvmtiExport::oops_do(OopClosure* f) { |
2629 |
JvmtiCurrentBreakpoints::oops_do(f); |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2630 |
JvmtiObjectAllocEventCollector::oops_do_for_all_threads(f); |
1 | 2631 |
} |
2632 |
||
32817
acc2744fd84b
8136627: Backout JDK-8133818 Additional number of processed references printed with -XX:+PrintReferenceGC after JDK-8047125
kbarrett
parents:
32607
diff
changeset
|
2633 |
void JvmtiExport::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* f) { |
acc2744fd84b
8136627: Backout JDK-8133818 Additional number of processed references printed with -XX:+PrintReferenceGC after JDK-8047125
kbarrett
parents:
32607
diff
changeset
|
2634 |
JvmtiTagMap::weak_oops_do(is_alive, f); |
7918
ce1e4ae77aea
7012505: BreakpointWithFullGC.sh fails with Internal Error (src/share/vm/oops/methodOop.cpp:220)
kamg
parents:
7897
diff
changeset
|
2635 |
} |
ce1e4ae77aea
7012505: BreakpointWithFullGC.sh fails with Internal Error (src/share/vm/oops/methodOop.cpp:220)
kamg
parents:
7897
diff
changeset
|
2636 |
|
ce1e4ae77aea
7012505: BreakpointWithFullGC.sh fails with Internal Error (src/share/vm/oops/methodOop.cpp:220)
kamg
parents:
7897
diff
changeset
|
2637 |
void JvmtiExport::gc_epilogue() { |
ce1e4ae77aea
7012505: BreakpointWithFullGC.sh fails with Internal Error (src/share/vm/oops/methodOop.cpp:220)
kamg
parents:
7897
diff
changeset
|
2638 |
JvmtiCurrentBreakpoints::gc_epilogue(); |
ce1e4ae77aea
7012505: BreakpointWithFullGC.sh fails with Internal Error (src/share/vm/oops/methodOop.cpp:220)
kamg
parents:
7897
diff
changeset
|
2639 |
} |
ce1e4ae77aea
7012505: BreakpointWithFullGC.sh fails with Internal Error (src/share/vm/oops/methodOop.cpp:220)
kamg
parents:
7897
diff
changeset
|
2640 |
|
1 | 2641 |
// Onload raw monitor transition. |
2642 |
void JvmtiExport::transition_pending_onload_raw_monitors() { |
|
2643 |
JvmtiPendingMonitors::transition_raw_monitors(); |
|
2644 |
} |
|
2645 |
||
2646 |
//////////////////////////////////////////////////////////////////////////////////////////////// |
|
37195
88b6f1271f64
8151991: jvmti diagnostics commands requires INCLUDE_SERVICES
dsamersoff
parents:
36508
diff
changeset
|
2647 |
#if INCLUDE_SERVICES |
88b6f1271f64
8151991: jvmti diagnostics commands requires INCLUDE_SERVICES
dsamersoff
parents:
36508
diff
changeset
|
2648 |
// Attach is disabled if SERVICES is not included |
1 | 2649 |
|
2650 |
// type for the Agent_OnAttach entry point |
|
2651 |
extern "C" { |
|
2652 |
typedef jint (JNICALL *OnAttachEntry_t)(JavaVM*, char *, void *); |
|
2653 |
} |
|
2654 |
||
36188
99b6836dd3e8
8147388: Add diagnostic commands to attach JVMTI agent.
ysuenaga
parents:
35492
diff
changeset
|
2655 |
jint JvmtiExport::load_agent_library(const char *agent, const char *absParam, |
99b6836dd3e8
8147388: Add diagnostic commands to attach JVMTI agent.
ysuenaga
parents:
35492
diff
changeset
|
2656 |
const char *options, outputStream* st) { |
48150
bc1cffa26561
8165736: Error message should be shown when JVMTI agent cannot be attached
ysuenaga
parents:
48105
diff
changeset
|
2657 |
char ebuf[1024] = {0}; |
1 | 2658 |
char buffer[JVM_MAXPATHLEN]; |
14471
f3a6b82e25cf
8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents:
13728
diff
changeset
|
2659 |
void* library = NULL; |
1 | 2660 |
jint result = JNI_ERR; |
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2661 |
const char *on_attach_symbols[] = AGENT_ONATTACH_SYMBOLS; |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2662 |
size_t num_symbol_entries = ARRAY_SIZE(on_attach_symbols); |
1 | 2663 |
|
2664 |
// The abs paramter should be "true" or "false" |
|
2665 |
bool is_absolute_path = (absParam != NULL) && (strcmp(absParam,"true")==0); |
|
2666 |
||
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2667 |
// Initially marked as invalid. It will be set to valid if we can find the agent |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2668 |
AgentLibrary *agent_lib = new AgentLibrary(agent, options, is_absolute_path, NULL); |
1 | 2669 |
|
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2670 |
// Check for statically linked in agent. If not found then if the path is |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2671 |
// absolute we attempt to load the library. Otherwise we try to load it |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2672 |
// from the standard dll directory. |
1 | 2673 |
|
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2674 |
if (!os::find_builtin_agent(agent_lib, on_attach_symbols, num_symbol_entries)) { |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2675 |
if (is_absolute_path) { |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2676 |
library = os::dll_load(agent, ebuf, sizeof ebuf); |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2677 |
} else { |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2678 |
// Try to load the agent from the standard dll directory |
47089
27050b653624
8186072: dll_build_name returns true even if file is missing.
goetz
parents:
46961
diff
changeset
|
2679 |
if (os::dll_locate_lib(buffer, sizeof(buffer), Arguments::get_dll_dir(), |
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2680 |
agent)) { |
14471
f3a6b82e25cf
8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents:
13728
diff
changeset
|
2681 |
library = os::dll_load(buffer, ebuf, sizeof ebuf); |
f3a6b82e25cf
8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents:
13728
diff
changeset
|
2682 |
} |
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2683 |
if (library == NULL) { |
47089
27050b653624
8186072: dll_build_name returns true even if file is missing.
goetz
parents:
46961
diff
changeset
|
2684 |
// not found - try OS default library path |
27050b653624
8186072: dll_build_name returns true even if file is missing.
goetz
parents:
46961
diff
changeset
|
2685 |
if (os::dll_build_name(buffer, sizeof(buffer), agent)) { |
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2686 |
library = os::dll_load(buffer, ebuf, sizeof ebuf); |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2687 |
} |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2688 |
} |
1 | 2689 |
} |
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2690 |
if (library != NULL) { |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2691 |
agent_lib->set_os_lib(library); |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2692 |
agent_lib->set_valid(); |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2693 |
} |
1 | 2694 |
} |
2695 |
// If the library was loaded then we attempt to invoke the Agent_OnAttach |
|
2696 |
// function |
|
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2697 |
if (agent_lib->valid()) { |
1 | 2698 |
// Lookup the Agent_OnAttach function |
2699 |
OnAttachEntry_t on_attach_entry = NULL; |
|
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2700 |
on_attach_entry = CAST_TO_FN_PTR(OnAttachEntry_t, |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2701 |
os::find_agent_function(agent_lib, false, on_attach_symbols, num_symbol_entries)); |
1 | 2702 |
if (on_attach_entry == NULL) { |
2703 |
// Agent_OnAttach missing - unload library |
|
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2704 |
if (!agent_lib->is_static_lib()) { |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2705 |
os::dll_unload(library); |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2706 |
} |
48150
bc1cffa26561
8165736: Error message should be shown when JVMTI agent cannot be attached
ysuenaga
parents:
48105
diff
changeset
|
2707 |
st->print_cr("%s is not available in %s", |
bc1cffa26561
8165736: Error message should be shown when JVMTI agent cannot be attached
ysuenaga
parents:
48105
diff
changeset
|
2708 |
on_attach_symbols[0], agent_lib->name()); |
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2709 |
delete agent_lib; |
1 | 2710 |
} else { |
2711 |
// Invoke the Agent_OnAttach function |
|
2712 |
JavaThread* THREAD = JavaThread::current(); |
|
2713 |
{ |
|
2714 |
extern struct JavaVM_ main_vm; |
|
2715 |
JvmtiThreadEventMark jem(THREAD); |
|
2716 |
JvmtiJavaThreadEventTransition jet(THREAD); |
|
2717 |
||
2718 |
result = (*on_attach_entry)(&main_vm, (char*)options, NULL); |
|
2719 |
} |
|
2720 |
||
2721 |
// Agent_OnAttach may have used JNI |
|
2722 |
if (HAS_PENDING_EXCEPTION) { |
|
2723 |
CLEAR_PENDING_EXCEPTION; |
|
2724 |
} |
|
2725 |
||
2726 |
// If OnAttach returns JNI_OK then we add it to the list of |
|
2727 |
// agent libraries so that we can call Agent_OnUnload later. |
|
2728 |
if (result == JNI_OK) { |
|
19553
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2729 |
Arguments::add_loaded_agent(agent_lib); |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2730 |
} else { |
9bbd930be684
8014135: The JVMTI specification does not conform to recent changes in JNI specification
bpittore
parents:
18940
diff
changeset
|
2731 |
delete agent_lib; |
1 | 2732 |
} |
2733 |
||
41078 | 2734 |
// Agent_OnAttach executed so completion status is JNI_OK |
48150
bc1cffa26561
8165736: Error message should be shown when JVMTI agent cannot be attached
ysuenaga
parents:
48105
diff
changeset
|
2735 |
st->print_cr("return code: %d", result); |
41078 | 2736 |
result = JNI_OK; |
1 | 2737 |
} |
48150
bc1cffa26561
8165736: Error message should be shown when JVMTI agent cannot be attached
ysuenaga
parents:
48105
diff
changeset
|
2738 |
} else { |
bc1cffa26561
8165736: Error message should be shown when JVMTI agent cannot be attached
ysuenaga
parents:
48105
diff
changeset
|
2739 |
st->print_cr("%s was not loaded.", agent); |
bc1cffa26561
8165736: Error message should be shown when JVMTI agent cannot be attached
ysuenaga
parents:
48105
diff
changeset
|
2740 |
if (*ebuf != '\0') { |
bc1cffa26561
8165736: Error message should be shown when JVMTI agent cannot be attached
ysuenaga
parents:
48105
diff
changeset
|
2741 |
st->print_cr("%s", ebuf); |
bc1cffa26561
8165736: Error message should be shown when JVMTI agent cannot be attached
ysuenaga
parents:
48105
diff
changeset
|
2742 |
} |
1 | 2743 |
} |
2744 |
return result; |
|
2745 |
} |
|
2746 |
||
37195
88b6f1271f64
8151991: jvmti diagnostics commands requires INCLUDE_SERVICES
dsamersoff
parents:
36508
diff
changeset
|
2747 |
#endif // INCLUDE_SERVICES |
1 | 2748 |
//////////////////////////////////////////////////////////////////////////////////////////////// |
2749 |
||
2750 |
// Setup current current thread for event collection. |
|
2751 |
void JvmtiEventCollector::setup_jvmti_thread_state() { |
|
2752 |
// set this event collector to be the current one. |
|
2753 |
JvmtiThreadState* state = JvmtiThreadState::state_for(JavaThread::current()); |
|
2135
f82c3012ec86
6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
dcubed
parents:
1374
diff
changeset
|
2754 |
// state can only be NULL if the current thread is exiting which |
f82c3012ec86
6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
dcubed
parents:
1374
diff
changeset
|
2755 |
// should not happen since we're trying to configure for event collection |
f82c3012ec86
6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
dcubed
parents:
1374
diff
changeset
|
2756 |
guarantee(state != NULL, "exiting thread called setup_jvmti_thread_state"); |
1 | 2757 |
if (is_vm_object_alloc_event()) { |
51594
dc79850e0254
8203356: VM Object Allocation Collector can infinite recurse
jcbeyler
parents:
51467
diff
changeset
|
2758 |
JvmtiVMObjectAllocEventCollector *prev = state->get_vm_object_alloc_event_collector(); |
dc79850e0254
8203356: VM Object Allocation Collector can infinite recurse
jcbeyler
parents:
51467
diff
changeset
|
2759 |
|
dc79850e0254
8203356: VM Object Allocation Collector can infinite recurse
jcbeyler
parents:
51467
diff
changeset
|
2760 |
// If we have a previous collector and it is disabled, it means this allocation came from a |
dc79850e0254
8203356: VM Object Allocation Collector can infinite recurse
jcbeyler
parents:
51467
diff
changeset
|
2761 |
// callback induced VM Object allocation, do not register this collector then. |
dc79850e0254
8203356: VM Object Allocation Collector can infinite recurse
jcbeyler
parents:
51467
diff
changeset
|
2762 |
if (prev && !prev->is_enabled()) { |
dc79850e0254
8203356: VM Object Allocation Collector can infinite recurse
jcbeyler
parents:
51467
diff
changeset
|
2763 |
return; |
dc79850e0254
8203356: VM Object Allocation Collector can infinite recurse
jcbeyler
parents:
51467
diff
changeset
|
2764 |
} |
dc79850e0254
8203356: VM Object Allocation Collector can infinite recurse
jcbeyler
parents:
51467
diff
changeset
|
2765 |
_prev = prev; |
1 | 2766 |
state->set_vm_object_alloc_event_collector((JvmtiVMObjectAllocEventCollector *)this); |
2767 |
} else if (is_dynamic_code_event()) { |
|
2768 |
_prev = state->get_dynamic_code_event_collector(); |
|
2769 |
state->set_dynamic_code_event_collector((JvmtiDynamicCodeEventCollector *)this); |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2770 |
} else if (is_sampled_object_alloc_event()) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2771 |
JvmtiSampledObjectAllocEventCollector *prev = state->get_sampled_object_alloc_event_collector(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2772 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2773 |
if (prev) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2774 |
// JvmtiSampledObjectAllocEventCollector wants only one active collector |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2775 |
// enabled. This allows to have a collector detect a user code requiring |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2776 |
// a sample in the callback. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2777 |
return; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2778 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2779 |
state->set_sampled_object_alloc_event_collector((JvmtiSampledObjectAllocEventCollector*) this); |
1 | 2780 |
} |
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2781 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2782 |
_unset_jvmti_thread_state = true; |
1 | 2783 |
} |
2784 |
||
2785 |
// Unset current event collection in this thread and reset it with previous |
|
2786 |
// collector. |
|
2787 |
void JvmtiEventCollector::unset_jvmti_thread_state() { |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2788 |
if (!_unset_jvmti_thread_state) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2789 |
return; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2790 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2791 |
|
1 | 2792 |
JvmtiThreadState* state = JavaThread::current()->jvmti_thread_state(); |
2793 |
if (state != NULL) { |
|
2794 |
// restore the previous event collector (if any) |
|
2795 |
if (is_vm_object_alloc_event()) { |
|
2796 |
if (state->get_vm_object_alloc_event_collector() == this) { |
|
2797 |
state->set_vm_object_alloc_event_collector((JvmtiVMObjectAllocEventCollector *)_prev); |
|
2798 |
} else { |
|
2799 |
// this thread's jvmti state was created during the scope of |
|
2800 |
// the event collector. |
|
2801 |
} |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2802 |
} else if (is_dynamic_code_event()) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2803 |
if (state->get_dynamic_code_event_collector() == this) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2804 |
state->set_dynamic_code_event_collector((JvmtiDynamicCodeEventCollector *)_prev); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2805 |
} else { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2806 |
// this thread's jvmti state was created during the scope of |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2807 |
// the event collector. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2808 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2809 |
} else if (is_sampled_object_alloc_event()) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2810 |
if (state->get_sampled_object_alloc_event_collector() == this) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2811 |
state->set_sampled_object_alloc_event_collector((JvmtiSampledObjectAllocEventCollector*)_prev); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2812 |
} else { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2813 |
// this thread's jvmti state was created during the scope of |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2814 |
// the event collector. |
1 | 2815 |
} |
2816 |
} |
|
2817 |
} |
|
2818 |
} |
|
2819 |
||
2820 |
// create the dynamic code event collector |
|
2821 |
JvmtiDynamicCodeEventCollector::JvmtiDynamicCodeEventCollector() : _code_blobs(NULL) { |
|
2822 |
if (JvmtiExport::should_post_dynamic_code_generated()) { |
|
2823 |
setup_jvmti_thread_state(); |
|
2824 |
} |
|
2825 |
} |
|
2826 |
||
2827 |
// iterate over any code blob descriptors collected and post a |
|
2828 |
// DYNAMIC_CODE_GENERATED event to the profiler. |
|
2829 |
JvmtiDynamicCodeEventCollector::~JvmtiDynamicCodeEventCollector() { |
|
2830 |
assert(!JavaThread::current()->owns_locks(), "all locks must be released to post deferred events"); |
|
2831 |
// iterate over any code blob descriptors that we collected |
|
2832 |
if (_code_blobs != NULL) { |
|
2833 |
for (int i=0; i<_code_blobs->length(); i++) { |
|
2834 |
JvmtiCodeBlobDesc* blob = _code_blobs->at(i); |
|
2835 |
JvmtiExport::post_dynamic_code_generated(blob->name(), blob->code_begin(), blob->code_end()); |
|
2836 |
FreeHeap(blob); |
|
2837 |
} |
|
2838 |
delete _code_blobs; |
|
2839 |
} |
|
2840 |
unset_jvmti_thread_state(); |
|
2841 |
} |
|
2842 |
||
2843 |
// register a stub |
|
2844 |
void JvmtiDynamicCodeEventCollector::register_stub(const char* name, address start, address end) { |
|
2845 |
if (_code_blobs == NULL) { |
|
13195 | 2846 |
_code_blobs = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<JvmtiCodeBlobDesc*>(1,true); |
1 | 2847 |
} |
2848 |
_code_blobs->append(new JvmtiCodeBlobDesc(name, start, end)); |
|
2849 |
} |
|
2850 |
||
2851 |
// Setup current thread to record vm allocated objects. |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2852 |
JvmtiObjectAllocEventCollector::JvmtiObjectAllocEventCollector() : |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2853 |
_allocated(NULL), _enable(false), _post_callback(NULL) { |
1 | 2854 |
} |
2855 |
||
2856 |
// Post vm_object_alloc event for vm allocated objects visible to java |
|
2857 |
// world. |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2858 |
void JvmtiObjectAllocEventCollector::generate_call_for_allocated() { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2859 |
if (_allocated) { |
1 | 2860 |
set_enabled(false); |
2861 |
for (int i = 0; i < _allocated->length(); i++) { |
|
2862 |
oop obj = _allocated->at(i); |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2863 |
_post_callback(JavaThread::current(), obj); |
1 | 2864 |
} |
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2865 |
delete _allocated, _allocated = NULL; |
1 | 2866 |
} |
2867 |
} |
|
2868 |
||
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2869 |
void JvmtiObjectAllocEventCollector::record_allocation(oop obj) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2870 |
assert(is_enabled(), "Object alloc event collector is not enabled"); |
1 | 2871 |
if (_allocated == NULL) { |
13195 | 2872 |
_allocated = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<oop>(1, true); |
1 | 2873 |
} |
2874 |
_allocated->push(obj); |
|
2875 |
} |
|
2876 |
||
2877 |
// GC support. |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2878 |
void JvmtiObjectAllocEventCollector::oops_do(OopClosure* f) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2879 |
if (_allocated) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2880 |
for(int i = _allocated->length() - 1; i >= 0; i--) { |
1 | 2881 |
if (_allocated->at(i) != NULL) { |
2882 |
f->do_oop(_allocated->adr_at(i)); |
|
2883 |
} |
|
2884 |
} |
|
2885 |
} |
|
2886 |
} |
|
2887 |
||
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2888 |
void JvmtiObjectAllocEventCollector::oops_do_for_all_threads(OopClosure* f) { |
1 | 2889 |
// no-op if jvmti not enabled |
2890 |
if (!JvmtiEnv::environments_might_exist()) { |
|
2891 |
return; |
|
2892 |
} |
|
2893 |
||
48105
8d15b1369c7a
8167108: inconsistent handling of SR_lock can lead to crashes
dcubed
parents:
47216
diff
changeset
|
2894 |
for (JavaThreadIteratorWithHandle jtiwh; JavaThread *jthr = jtiwh.next(); ) { |
1 | 2895 |
JvmtiThreadState *state = jthr->jvmti_thread_state(); |
2896 |
if (state != NULL) { |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2897 |
JvmtiObjectAllocEventCollector *collector; |
1 | 2898 |
collector = state->get_vm_object_alloc_event_collector(); |
2899 |
while (collector != NULL) { |
|
2900 |
collector->oops_do(f); |
|
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2901 |
collector = (JvmtiObjectAllocEventCollector*) collector->get_prev(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2902 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2903 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2904 |
collector = state->get_sampled_object_alloc_event_collector(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2905 |
while (collector != NULL) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2906 |
collector->oops_do(f); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2907 |
collector = (JvmtiObjectAllocEventCollector*) collector->get_prev(); |
1 | 2908 |
} |
2909 |
} |
|
2910 |
} |
|
2911 |
} |
|
2912 |
||
2913 |
||
2914 |
// Disable collection of VMObjectAlloc events |
|
2915 |
NoJvmtiVMObjectAllocMark::NoJvmtiVMObjectAllocMark() : _collector(NULL) { |
|
2916 |
// a no-op if VMObjectAlloc event is not enabled |
|
2917 |
if (!JvmtiExport::should_post_vm_object_alloc()) { |
|
2918 |
return; |
|
2919 |
} |
|
34633
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents:
33148
diff
changeset
|
2920 |
Thread* thread = Thread::current_or_null(); |
1 | 2921 |
if (thread != NULL && thread->is_Java_thread()) { |
2922 |
JavaThread* current_thread = (JavaThread*)thread; |
|
2923 |
JvmtiThreadState *state = current_thread->jvmti_thread_state(); |
|
2924 |
if (state != NULL) { |
|
2925 |
JvmtiVMObjectAllocEventCollector *collector; |
|
2926 |
collector = state->get_vm_object_alloc_event_collector(); |
|
2927 |
if (collector != NULL && collector->is_enabled()) { |
|
2928 |
_collector = collector; |
|
2929 |
_collector->set_enabled(false); |
|
2930 |
} |
|
2931 |
} |
|
2932 |
} |
|
2933 |
} |
|
2934 |
||
2935 |
// Re-Enable collection of VMObjectAlloc events (if previously enabled) |
|
2936 |
NoJvmtiVMObjectAllocMark::~NoJvmtiVMObjectAllocMark() { |
|
2937 |
if (was_enabled()) { |
|
2938 |
_collector->set_enabled(true); |
|
2939 |
} |
|
2940 |
}; |
|
2941 |
||
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2942 |
// Setup current thread to record vm allocated objects. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2943 |
JvmtiVMObjectAllocEventCollector::JvmtiVMObjectAllocEventCollector() { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2944 |
if (JvmtiExport::should_post_vm_object_alloc()) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2945 |
_enable = true; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2946 |
setup_jvmti_thread_state(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2947 |
_post_callback = JvmtiExport::post_vm_object_alloc; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2948 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2949 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2950 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2951 |
JvmtiVMObjectAllocEventCollector::~JvmtiVMObjectAllocEventCollector() { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2952 |
if (_enable) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2953 |
generate_call_for_allocated(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2954 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2955 |
unset_jvmti_thread_state(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2956 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2957 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2958 |
bool JvmtiSampledObjectAllocEventCollector::object_alloc_is_safe_to_sample() { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2959 |
Thread* thread = Thread::current(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2960 |
// Really only sample allocations if this is a JavaThread and not the compiler |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2961 |
// thread. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2962 |
if (!thread->is_Java_thread() || thread->is_Compiler_thread()) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2963 |
return false; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2964 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2965 |
|
52619
5b4242996d8c
8212682: Avoid holding Compile_lock when blocking for GC in ObjArrayKlass::allocate_objArray_klass()
eosterlund
parents:
52319
diff
changeset
|
2966 |
if (MultiArray_lock->owner() == thread) { |
50578
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2967 |
return false; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2968 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2969 |
return true; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2970 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2971 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2972 |
// Setup current thread to record sampled allocated objects. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2973 |
JvmtiSampledObjectAllocEventCollector::JvmtiSampledObjectAllocEventCollector() { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2974 |
if (JvmtiExport::should_post_sampled_object_alloc()) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2975 |
if (!object_alloc_is_safe_to_sample()) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2976 |
return; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2977 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2978 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2979 |
_enable = true; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2980 |
setup_jvmti_thread_state(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2981 |
_post_callback = JvmtiExport::post_sampled_object_alloc; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2982 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2983 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2984 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2985 |
JvmtiSampledObjectAllocEventCollector::~JvmtiSampledObjectAllocEventCollector() { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2986 |
if (!_enable) { |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2987 |
return; |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2988 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2989 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2990 |
generate_call_for_allocated(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2991 |
unset_jvmti_thread_state(); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2992 |
|
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2993 |
// Unset the sampling collector as present in assertion mode only. |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2994 |
assert(Thread::current()->is_Java_thread(), |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2995 |
"Should always be in a Java thread"); |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2996 |
} |
e2a7f431f65c
8203394: Implementation of JEP 331: Low-Overhead Heap Profiling
jcbeyler
parents:
50385
diff
changeset
|
2997 |
|
7896
08aadd7aa3ee
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
7413
diff
changeset
|
2998 |
JvmtiGCMarker::JvmtiGCMarker() { |
1 | 2999 |
// if there aren't any JVMTI environments then nothing to do |
3000 |
if (!JvmtiEnv::environments_might_exist()) { |
|
3001 |
return; |
|
3002 |
} |
|
3003 |
||
3004 |
if (JvmtiExport::should_post_garbage_collection_start()) { |
|
3005 |
JvmtiExport::post_garbage_collection_start(); |
|
3006 |
} |
|
3007 |
||
7896
08aadd7aa3ee
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
7413
diff
changeset
|
3008 |
if (SafepointSynchronize::is_at_safepoint()) { |
08aadd7aa3ee
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
7413
diff
changeset
|
3009 |
// Do clean up tasks that need to be done at a safepoint |
08aadd7aa3ee
6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent
kamg
parents:
7413
diff
changeset
|
3010 |
JvmtiEnvBase::check_for_periodic_clean_up(); |
1 | 3011 |
} |
3012 |
} |
|
3013 |
||
3014 |
JvmtiGCMarker::~JvmtiGCMarker() { |
|
3015 |
// if there aren't any JVMTI environments then nothing to do |
|
3016 |
if (!JvmtiEnv::environments_might_exist()) { |
|
3017 |
return; |
|
3018 |
} |
|
3019 |
||
3020 |
// JVMTI notify gc finish |
|
3021 |
if (JvmtiExport::should_post_garbage_collection_finish()) { |
|
3022 |
JvmtiExport::post_garbage_collection_finish(); |
|
3023 |
} |
|
3024 |
} |