Tue, 11 Nov 2014 10:48:06 -0800
8058251: assert(_count > 0) failed: Negative counter when running runtime/NMT/MallocTrackingVerify.java
Summary: Fixed an issue when overflowing the MallocSite hash table bucket
Reviewed-by: coleenp, gtriantafill
duke@435 | 1 | /* |
drchase@6680 | 2 | * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "classfile/systemDictionary.hpp" |
stefank@2314 | 27 | #include "code/nmethod.hpp" |
stefank@2314 | 28 | #include "code/pcDesc.hpp" |
stefank@2314 | 29 | #include "code/scopeDesc.hpp" |
stefank@2314 | 30 | #include "interpreter/interpreter.hpp" |
stefank@2314 | 31 | #include "jvmtifiles/jvmtiEnv.hpp" |
stefank@2314 | 32 | #include "memory/resourceArea.hpp" |
stefank@2314 | 33 | #include "oops/objArrayKlass.hpp" |
stefank@2314 | 34 | #include "oops/objArrayOop.hpp" |
stefank@2314 | 35 | #include "prims/jvmtiCodeBlobEvents.hpp" |
stefank@2314 | 36 | #include "prims/jvmtiEventController.hpp" |
stefank@2314 | 37 | #include "prims/jvmtiEventController.inline.hpp" |
stefank@2314 | 38 | #include "prims/jvmtiExport.hpp" |
stefank@2314 | 39 | #include "prims/jvmtiImpl.hpp" |
stefank@2314 | 40 | #include "prims/jvmtiManageCapabilities.hpp" |
stefank@2314 | 41 | #include "prims/jvmtiRawMonitor.hpp" |
stefank@2314 | 42 | #include "prims/jvmtiTagMap.hpp" |
stefank@2314 | 43 | #include "prims/jvmtiThreadState.inline.hpp" |
jiangli@5421 | 44 | #include "prims/jvmtiRedefineClasses.hpp" |
stefank@2314 | 45 | #include "runtime/arguments.hpp" |
stefank@2314 | 46 | #include "runtime/handles.hpp" |
stefank@2314 | 47 | #include "runtime/interfaceSupport.hpp" |
stefank@2314 | 48 | #include "runtime/objectMonitor.hpp" |
stefank@2314 | 49 | #include "runtime/objectMonitor.inline.hpp" |
goetz@6911 | 50 | #include "runtime/thread.inline.hpp" |
stefank@2314 | 51 | #include "runtime/vframe.hpp" |
stefank@2314 | 52 | #include "services/attachListener.hpp" |
stefank@2314 | 53 | #include "services/serviceUtil.hpp" |
jprovino@4542 | 54 | #include "utilities/macros.hpp" |
jprovino@4542 | 55 | #if INCLUDE_ALL_GCS |
stefank@2314 | 56 | #include "gc_implementation/parallelScavenge/psMarkSweep.hpp" |
jprovino@4542 | 57 | #endif // INCLUDE_ALL_GCS |
duke@435 | 58 | |
drchase@6680 | 59 | PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
drchase@6680 | 60 | |
duke@435 | 61 | #ifdef JVMTI_TRACE |
duke@435 | 62 | #define EVT_TRACE(evt,out) if ((JvmtiTrace::event_trace_flags(evt) & JvmtiTrace::SHOW_EVENT_SENT) != 0) { SafeResourceMark rm; tty->print_cr out; } |
duke@435 | 63 | #define EVT_TRIG_TRACE(evt,out) if ((JvmtiTrace::event_trace_flags(evt) & JvmtiTrace::SHOW_EVENT_TRIGGER) != 0) { SafeResourceMark rm; tty->print_cr out; } |
duke@435 | 64 | #else |
duke@435 | 65 | #define EVT_TRIG_TRACE(evt,out) |
duke@435 | 66 | #define EVT_TRACE(evt,out) |
duke@435 | 67 | #endif |
duke@435 | 68 | |
duke@435 | 69 | /////////////////////////////////////////////////////////////// |
duke@435 | 70 | // |
duke@435 | 71 | // JvmtiEventTransition |
duke@435 | 72 | // |
duke@435 | 73 | // TO DO -- |
duke@435 | 74 | // more handle purging |
duke@435 | 75 | |
duke@435 | 76 | // Use this for JavaThreads and state is _thread_in_vm. |
duke@435 | 77 | class JvmtiJavaThreadEventTransition : StackObj { |
duke@435 | 78 | private: |
duke@435 | 79 | ResourceMark _rm; |
duke@435 | 80 | ThreadToNativeFromVM _transition; |
duke@435 | 81 | HandleMark _hm; |
duke@435 | 82 | |
duke@435 | 83 | public: |
duke@435 | 84 | JvmtiJavaThreadEventTransition(JavaThread *thread) : |
duke@435 | 85 | _rm(), |
duke@435 | 86 | _transition(thread), |
duke@435 | 87 | _hm(thread) {}; |
duke@435 | 88 | }; |
duke@435 | 89 | |
duke@435 | 90 | // For JavaThreads which are not in _thread_in_vm state |
duke@435 | 91 | // and other system threads use this. |
duke@435 | 92 | class JvmtiThreadEventTransition : StackObj { |
duke@435 | 93 | private: |
duke@435 | 94 | ResourceMark _rm; |
duke@435 | 95 | HandleMark _hm; |
duke@435 | 96 | JavaThreadState _saved_state; |
duke@435 | 97 | JavaThread *_jthread; |
duke@435 | 98 | |
duke@435 | 99 | public: |
duke@435 | 100 | JvmtiThreadEventTransition(Thread *thread) : _rm(), _hm() { |
duke@435 | 101 | if (thread->is_Java_thread()) { |
duke@435 | 102 | _jthread = (JavaThread *)thread; |
duke@435 | 103 | _saved_state = _jthread->thread_state(); |
duke@435 | 104 | if (_saved_state == _thread_in_Java) { |
duke@435 | 105 | ThreadStateTransition::transition_from_java(_jthread, _thread_in_native); |
duke@435 | 106 | } else { |
duke@435 | 107 | ThreadStateTransition::transition(_jthread, _saved_state, _thread_in_native); |
duke@435 | 108 | } |
duke@435 | 109 | } else { |
duke@435 | 110 | _jthread = NULL; |
duke@435 | 111 | } |
duke@435 | 112 | } |
duke@435 | 113 | |
duke@435 | 114 | ~JvmtiThreadEventTransition() { |
duke@435 | 115 | if (_jthread != NULL) |
duke@435 | 116 | ThreadStateTransition::transition_from_native(_jthread, _saved_state); |
duke@435 | 117 | } |
duke@435 | 118 | }; |
duke@435 | 119 | |
duke@435 | 120 | |
duke@435 | 121 | /////////////////////////////////////////////////////////////// |
duke@435 | 122 | // |
duke@435 | 123 | // JvmtiEventMark |
duke@435 | 124 | // |
duke@435 | 125 | |
duke@435 | 126 | class JvmtiEventMark : public StackObj { |
duke@435 | 127 | private: |
duke@435 | 128 | JavaThread *_thread; |
duke@435 | 129 | JNIEnv* _jni_env; |
duke@435 | 130 | bool _exception_detected; |
duke@435 | 131 | bool _exception_caught; |
duke@435 | 132 | #if 0 |
duke@435 | 133 | JNIHandleBlock* _hblock; |
duke@435 | 134 | #endif |
duke@435 | 135 | |
duke@435 | 136 | public: |
duke@435 | 137 | JvmtiEventMark(JavaThread *thread) : _thread(thread), |
duke@435 | 138 | _jni_env(thread->jni_environment()) { |
duke@435 | 139 | #if 0 |
duke@435 | 140 | _hblock = thread->active_handles(); |
duke@435 | 141 | _hblock->clear_thoroughly(); // so we can be safe |
duke@435 | 142 | #else |
duke@435 | 143 | // we want to use the code above - but that needs the JNIHandle changes - later... |
duke@435 | 144 | // for now, steal JNI push local frame code |
duke@435 | 145 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 146 | // we are before an event. |
duke@435 | 147 | // Save current jvmti thread exception state. |
duke@435 | 148 | if (state != NULL) { |
duke@435 | 149 | _exception_detected = state->is_exception_detected(); |
duke@435 | 150 | _exception_caught = state->is_exception_caught(); |
duke@435 | 151 | } else { |
duke@435 | 152 | _exception_detected = false; |
duke@435 | 153 | _exception_caught = false; |
duke@435 | 154 | } |
duke@435 | 155 | |
duke@435 | 156 | JNIHandleBlock* old_handles = thread->active_handles(); |
duke@435 | 157 | JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); |
duke@435 | 158 | assert(new_handles != NULL, "should not be NULL"); |
duke@435 | 159 | new_handles->set_pop_frame_link(old_handles); |
duke@435 | 160 | thread->set_active_handles(new_handles); |
duke@435 | 161 | #endif |
duke@435 | 162 | assert(thread == JavaThread::current(), "thread must be current!"); |
duke@435 | 163 | thread->frame_anchor()->make_walkable(thread); |
duke@435 | 164 | }; |
duke@435 | 165 | |
duke@435 | 166 | ~JvmtiEventMark() { |
duke@435 | 167 | #if 0 |
duke@435 | 168 | _hblock->clear(); // for consistency with future correct behavior |
duke@435 | 169 | #else |
duke@435 | 170 | // we want to use the code above - but that needs the JNIHandle changes - later... |
duke@435 | 171 | // for now, steal JNI pop local frame code |
duke@435 | 172 | JNIHandleBlock* old_handles = _thread->active_handles(); |
duke@435 | 173 | JNIHandleBlock* new_handles = old_handles->pop_frame_link(); |
duke@435 | 174 | assert(new_handles != NULL, "should not be NULL"); |
duke@435 | 175 | _thread->set_active_handles(new_handles); |
duke@435 | 176 | // Note that we set the pop_frame_link to NULL explicitly, otherwise |
duke@435 | 177 | // the release_block call will release the blocks. |
duke@435 | 178 | old_handles->set_pop_frame_link(NULL); |
duke@435 | 179 | JNIHandleBlock::release_block(old_handles, _thread); // may block |
duke@435 | 180 | #endif |
duke@435 | 181 | |
duke@435 | 182 | JvmtiThreadState* state = _thread->jvmti_thread_state(); |
duke@435 | 183 | // we are continuing after an event. |
duke@435 | 184 | if (state != NULL) { |
duke@435 | 185 | // Restore the jvmti thread exception state. |
duke@435 | 186 | if (_exception_detected) { |
duke@435 | 187 | state->set_exception_detected(); |
duke@435 | 188 | } |
duke@435 | 189 | if (_exception_caught) { |
duke@435 | 190 | state->set_exception_caught(); |
duke@435 | 191 | } |
duke@435 | 192 | } |
duke@435 | 193 | } |
duke@435 | 194 | |
duke@435 | 195 | #if 0 |
duke@435 | 196 | jobject to_jobject(oop obj) { return obj == NULL? NULL : _hblock->allocate_handle_fast(obj); } |
duke@435 | 197 | #else |
duke@435 | 198 | // we want to use the code above - but that needs the JNIHandle changes - later... |
duke@435 | 199 | // for now, use regular make_local |
duke@435 | 200 | jobject to_jobject(oop obj) { return JNIHandles::make_local(_thread,obj); } |
duke@435 | 201 | #endif |
duke@435 | 202 | |
hseigel@4278 | 203 | jclass to_jclass(Klass* klass) { return (klass == NULL ? NULL : (jclass)to_jobject(klass->java_mirror())); } |
duke@435 | 204 | |
duke@435 | 205 | jmethodID to_jmethodID(methodHandle method) { return method->jmethod_id(); } |
duke@435 | 206 | |
duke@435 | 207 | JNIEnv* jni_env() { return _jni_env; } |
duke@435 | 208 | }; |
duke@435 | 209 | |
duke@435 | 210 | class JvmtiThreadEventMark : public JvmtiEventMark { |
duke@435 | 211 | private: |
duke@435 | 212 | jthread _jt; |
duke@435 | 213 | |
duke@435 | 214 | public: |
duke@435 | 215 | JvmtiThreadEventMark(JavaThread *thread) : |
duke@435 | 216 | JvmtiEventMark(thread) { |
duke@435 | 217 | _jt = (jthread)(to_jobject(thread->threadObj())); |
duke@435 | 218 | }; |
duke@435 | 219 | jthread jni_thread() { return _jt; } |
duke@435 | 220 | }; |
duke@435 | 221 | |
duke@435 | 222 | class JvmtiClassEventMark : public JvmtiThreadEventMark { |
duke@435 | 223 | private: |
duke@435 | 224 | jclass _jc; |
duke@435 | 225 | |
duke@435 | 226 | public: |
coleenp@4037 | 227 | JvmtiClassEventMark(JavaThread *thread, Klass* klass) : |
duke@435 | 228 | JvmtiThreadEventMark(thread) { |
duke@435 | 229 | _jc = to_jclass(klass); |
duke@435 | 230 | }; |
duke@435 | 231 | jclass jni_class() { return _jc; } |
duke@435 | 232 | }; |
duke@435 | 233 | |
duke@435 | 234 | class JvmtiMethodEventMark : public JvmtiThreadEventMark { |
duke@435 | 235 | private: |
duke@435 | 236 | jmethodID _mid; |
duke@435 | 237 | |
duke@435 | 238 | public: |
duke@435 | 239 | JvmtiMethodEventMark(JavaThread *thread, methodHandle method) : |
duke@435 | 240 | JvmtiThreadEventMark(thread), |
duke@435 | 241 | _mid(to_jmethodID(method)) {}; |
duke@435 | 242 | jmethodID jni_methodID() { return _mid; } |
duke@435 | 243 | }; |
duke@435 | 244 | |
duke@435 | 245 | class JvmtiLocationEventMark : public JvmtiMethodEventMark { |
duke@435 | 246 | private: |
duke@435 | 247 | jlocation _loc; |
duke@435 | 248 | |
duke@435 | 249 | public: |
duke@435 | 250 | JvmtiLocationEventMark(JavaThread *thread, methodHandle method, address location) : |
duke@435 | 251 | JvmtiMethodEventMark(thread, method), |
duke@435 | 252 | _loc(location - method->code_base()) {}; |
duke@435 | 253 | jlocation location() { return _loc; } |
duke@435 | 254 | }; |
duke@435 | 255 | |
duke@435 | 256 | class JvmtiExceptionEventMark : public JvmtiLocationEventMark { |
duke@435 | 257 | private: |
duke@435 | 258 | jobject _exc; |
duke@435 | 259 | |
duke@435 | 260 | public: |
duke@435 | 261 | JvmtiExceptionEventMark(JavaThread *thread, methodHandle method, address location, Handle exception) : |
duke@435 | 262 | JvmtiLocationEventMark(thread, method, location), |
duke@435 | 263 | _exc(to_jobject(exception())) {}; |
duke@435 | 264 | jobject exception() { return _exc; } |
duke@435 | 265 | }; |
duke@435 | 266 | |
duke@435 | 267 | class JvmtiClassFileLoadEventMark : public JvmtiThreadEventMark { |
duke@435 | 268 | private: |
duke@435 | 269 | const char *_class_name; |
duke@435 | 270 | jobject _jloader; |
duke@435 | 271 | jobject _protection_domain; |
duke@435 | 272 | jclass _class_being_redefined; |
duke@435 | 273 | |
duke@435 | 274 | public: |
coleenp@2497 | 275 | JvmtiClassFileLoadEventMark(JavaThread *thread, Symbol* name, |
duke@435 | 276 | Handle class_loader, Handle prot_domain, KlassHandle *class_being_redefined) : JvmtiThreadEventMark(thread) { |
coleenp@2497 | 277 | _class_name = name != NULL? name->as_utf8() : NULL; |
duke@435 | 278 | _jloader = (jobject)to_jobject(class_loader()); |
duke@435 | 279 | _protection_domain = (jobject)to_jobject(prot_domain()); |
duke@435 | 280 | if (class_being_redefined == NULL) { |
duke@435 | 281 | _class_being_redefined = NULL; |
duke@435 | 282 | } else { |
duke@435 | 283 | _class_being_redefined = (jclass)to_jclass((*class_being_redefined)()); |
duke@435 | 284 | } |
duke@435 | 285 | }; |
duke@435 | 286 | const char *class_name() { |
duke@435 | 287 | return _class_name; |
duke@435 | 288 | } |
duke@435 | 289 | jobject jloader() { |
duke@435 | 290 | return _jloader; |
duke@435 | 291 | } |
duke@435 | 292 | jobject protection_domain() { |
duke@435 | 293 | return _protection_domain; |
duke@435 | 294 | } |
duke@435 | 295 | jclass class_being_redefined() { |
duke@435 | 296 | return _class_being_redefined; |
duke@435 | 297 | } |
duke@435 | 298 | }; |
duke@435 | 299 | |
duke@435 | 300 | ////////////////////////////////////////////////////////////////////////////// |
duke@435 | 301 | |
duke@435 | 302 | int JvmtiExport::_field_access_count = 0; |
duke@435 | 303 | int JvmtiExport::_field_modification_count = 0; |
duke@435 | 304 | |
duke@435 | 305 | bool JvmtiExport::_can_access_local_variables = false; |
duke@435 | 306 | bool JvmtiExport::_can_hotswap_or_post_breakpoint = false; |
duke@435 | 307 | bool JvmtiExport::_can_modify_any_class = false; |
duke@435 | 308 | bool JvmtiExport::_can_walk_any_space = false; |
duke@435 | 309 | |
duke@435 | 310 | bool JvmtiExport::_has_redefined_a_class = false; |
duke@435 | 311 | bool JvmtiExport::_all_dependencies_are_recorded = false; |
duke@435 | 312 | |
duke@435 | 313 | // |
duke@435 | 314 | // field access management |
duke@435 | 315 | // |
duke@435 | 316 | |
duke@435 | 317 | // interpreter generator needs the address of the counter |
duke@435 | 318 | address JvmtiExport::get_field_access_count_addr() { |
duke@435 | 319 | // We don't grab a lock because we don't want to |
duke@435 | 320 | // serialize field access between all threads. This means that a |
duke@435 | 321 | // thread on another processor can see the wrong count value and |
duke@435 | 322 | // may either miss making a needed call into post_field_access() |
duke@435 | 323 | // or will make an unneeded call into post_field_access(). We pay |
duke@435 | 324 | // this price to avoid slowing down the VM when we aren't watching |
duke@435 | 325 | // field accesses. |
duke@435 | 326 | // Other access/mutation safe by virtue of being in VM state. |
duke@435 | 327 | return (address)(&_field_access_count); |
duke@435 | 328 | } |
duke@435 | 329 | |
duke@435 | 330 | // |
duke@435 | 331 | // field modification management |
duke@435 | 332 | // |
duke@435 | 333 | |
duke@435 | 334 | // interpreter generator needs the address of the counter |
duke@435 | 335 | address JvmtiExport::get_field_modification_count_addr() { |
duke@435 | 336 | // We don't grab a lock because we don't |
duke@435 | 337 | // want to serialize field modification between all threads. This |
duke@435 | 338 | // means that a thread on another processor can see the wrong |
duke@435 | 339 | // count value and may either miss making a needed call into |
duke@435 | 340 | // post_field_modification() or will make an unneeded call into |
duke@435 | 341 | // post_field_modification(). We pay this price to avoid slowing |
duke@435 | 342 | // down the VM when we aren't watching field modifications. |
duke@435 | 343 | // Other access/mutation safe by virtue of being in VM state. |
duke@435 | 344 | return (address)(&_field_modification_count); |
duke@435 | 345 | } |
duke@435 | 346 | |
duke@435 | 347 | |
duke@435 | 348 | /////////////////////////////////////////////////////////////// |
duke@435 | 349 | // Functions needed by java.lang.instrument for starting up javaagent. |
duke@435 | 350 | /////////////////////////////////////////////////////////////// |
duke@435 | 351 | |
duke@435 | 352 | jint |
duke@435 | 353 | JvmtiExport::get_jvmti_interface(JavaVM *jvm, void **penv, jint version) { |
dcubed@1556 | 354 | // The JVMTI_VERSION_INTERFACE_JVMTI part of the version number |
dcubed@1556 | 355 | // has already been validated in JNI GetEnv(). |
dcubed@1556 | 356 | int major, minor, micro; |
dcubed@1556 | 357 | |
dcubed@1556 | 358 | // micro version doesn't matter here (yet?) |
dcubed@1556 | 359 | decode_version_values(version, &major, &minor, µ); |
dcubed@1556 | 360 | switch (major) { |
kamg@2330 | 361 | case 1: |
dcubed@1556 | 362 | switch (minor) { |
kamg@2330 | 363 | case 0: // version 1.0.<micro> is recognized |
kamg@2330 | 364 | case 1: // version 1.1.<micro> is recognized |
kamg@2330 | 365 | case 2: // version 1.2.<micro> is recognized |
dcubed@1556 | 366 | break; |
dcubed@1556 | 367 | |
kamg@2330 | 368 | default: |
dcubed@1556 | 369 | return JNI_EVERSION; // unsupported minor version number |
dcubed@1556 | 370 | } |
dcubed@1556 | 371 | break; |
kamg@2330 | 372 | default: |
dcubed@1556 | 373 | return JNI_EVERSION; // unsupported major version number |
dcubed@1556 | 374 | } |
duke@435 | 375 | |
duke@435 | 376 | if (JvmtiEnv::get_phase() == JVMTI_PHASE_LIVE) { |
duke@435 | 377 | JavaThread* current_thread = (JavaThread*) ThreadLocalStorage::thread(); |
duke@435 | 378 | // transition code: native to VM |
duke@435 | 379 | ThreadInVMfromNative __tiv(current_thread); |
never@3241 | 380 | VM_ENTRY_BASE(jvmtiEnv*, JvmtiExport::get_jvmti_interface, current_thread) |
duke@435 | 381 | debug_only(VMNativeEntryWrapper __vew;) |
duke@435 | 382 | |
dcubed@1556 | 383 | JvmtiEnv *jvmti_env = JvmtiEnv::create_a_jvmti(version); |
duke@435 | 384 | *penv = jvmti_env->jvmti_external(); // actual type is jvmtiEnv* -- not to be confused with JvmtiEnv* |
duke@435 | 385 | return JNI_OK; |
duke@435 | 386 | |
duke@435 | 387 | } else if (JvmtiEnv::get_phase() == JVMTI_PHASE_ONLOAD) { |
duke@435 | 388 | // not live, no thread to transition |
dcubed@1556 | 389 | JvmtiEnv *jvmti_env = JvmtiEnv::create_a_jvmti(version); |
duke@435 | 390 | *penv = jvmti_env->jvmti_external(); // actual type is jvmtiEnv* -- not to be confused with JvmtiEnv* |
duke@435 | 391 | return JNI_OK; |
duke@435 | 392 | |
duke@435 | 393 | } else { |
duke@435 | 394 | // Called at the wrong time |
duke@435 | 395 | *penv = NULL; |
duke@435 | 396 | return JNI_EDETACHED; |
duke@435 | 397 | } |
duke@435 | 398 | } |
duke@435 | 399 | |
dcubed@1556 | 400 | |
dcubed@1556 | 401 | void |
dcubed@1556 | 402 | JvmtiExport::decode_version_values(jint version, int * major, int * minor, |
dcubed@1556 | 403 | int * micro) { |
dcubed@1556 | 404 | *major = (version & JVMTI_VERSION_MASK_MAJOR) >> JVMTI_VERSION_SHIFT_MAJOR; |
dcubed@1556 | 405 | *minor = (version & JVMTI_VERSION_MASK_MINOR) >> JVMTI_VERSION_SHIFT_MINOR; |
dcubed@1556 | 406 | *micro = (version & JVMTI_VERSION_MASK_MICRO) >> JVMTI_VERSION_SHIFT_MICRO; |
dcubed@1556 | 407 | } |
dcubed@1556 | 408 | |
duke@435 | 409 | void JvmtiExport::enter_primordial_phase() { |
duke@435 | 410 | JvmtiEnvBase::set_phase(JVMTI_PHASE_PRIMORDIAL); |
duke@435 | 411 | } |
duke@435 | 412 | |
duke@435 | 413 | void JvmtiExport::enter_start_phase() { |
duke@435 | 414 | JvmtiManageCapabilities::recompute_always_capabilities(); |
duke@435 | 415 | JvmtiEnvBase::set_phase(JVMTI_PHASE_START); |
duke@435 | 416 | } |
duke@435 | 417 | |
duke@435 | 418 | void JvmtiExport::enter_onload_phase() { |
duke@435 | 419 | JvmtiEnvBase::set_phase(JVMTI_PHASE_ONLOAD); |
duke@435 | 420 | } |
duke@435 | 421 | |
duke@435 | 422 | void JvmtiExport::enter_live_phase() { |
duke@435 | 423 | JvmtiEnvBase::set_phase(JVMTI_PHASE_LIVE); |
duke@435 | 424 | } |
duke@435 | 425 | |
duke@435 | 426 | // |
duke@435 | 427 | // JVMTI events that the VM posts to the debugger and also startup agent |
duke@435 | 428 | // and call the agent's premain() for java.lang.instrument. |
duke@435 | 429 | // |
duke@435 | 430 | |
duke@435 | 431 | void JvmtiExport::post_vm_start() { |
duke@435 | 432 | EVT_TRIG_TRACE(JVMTI_EVENT_VM_START, ("JVMTI Trg VM start event triggered" )); |
duke@435 | 433 | |
duke@435 | 434 | // can now enable some events |
duke@435 | 435 | JvmtiEventController::vm_start(); |
duke@435 | 436 | |
duke@435 | 437 | JvmtiEnvIterator it; |
duke@435 | 438 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 439 | if (env->is_enabled(JVMTI_EVENT_VM_START)) { |
duke@435 | 440 | EVT_TRACE(JVMTI_EVENT_VM_START, ("JVMTI Evt VM start event sent" )); |
duke@435 | 441 | |
duke@435 | 442 | JavaThread *thread = JavaThread::current(); |
duke@435 | 443 | JvmtiThreadEventMark jem(thread); |
duke@435 | 444 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 445 | jvmtiEventVMStart callback = env->callbacks()->VMStart; |
duke@435 | 446 | if (callback != NULL) { |
duke@435 | 447 | (*callback)(env->jvmti_external(), jem.jni_env()); |
duke@435 | 448 | } |
duke@435 | 449 | } |
duke@435 | 450 | } |
duke@435 | 451 | } |
duke@435 | 452 | |
duke@435 | 453 | |
duke@435 | 454 | void JvmtiExport::post_vm_initialized() { |
duke@435 | 455 | EVT_TRIG_TRACE(JVMTI_EVENT_VM_INIT, ("JVMTI Trg VM init event triggered" )); |
duke@435 | 456 | |
duke@435 | 457 | // can now enable events |
duke@435 | 458 | JvmtiEventController::vm_init(); |
duke@435 | 459 | |
duke@435 | 460 | JvmtiEnvIterator it; |
duke@435 | 461 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 462 | if (env->is_enabled(JVMTI_EVENT_VM_INIT)) { |
duke@435 | 463 | EVT_TRACE(JVMTI_EVENT_VM_INIT, ("JVMTI Evt VM init event sent" )); |
duke@435 | 464 | |
duke@435 | 465 | JavaThread *thread = JavaThread::current(); |
duke@435 | 466 | JvmtiThreadEventMark jem(thread); |
duke@435 | 467 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 468 | jvmtiEventVMInit callback = env->callbacks()->VMInit; |
duke@435 | 469 | if (callback != NULL) { |
duke@435 | 470 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread()); |
duke@435 | 471 | } |
duke@435 | 472 | } |
duke@435 | 473 | } |
duke@435 | 474 | } |
duke@435 | 475 | |
duke@435 | 476 | |
duke@435 | 477 | void JvmtiExport::post_vm_death() { |
duke@435 | 478 | EVT_TRIG_TRACE(JVMTI_EVENT_VM_DEATH, ("JVMTI Trg VM death event triggered" )); |
duke@435 | 479 | |
duke@435 | 480 | JvmtiEnvIterator it; |
duke@435 | 481 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 482 | if (env->is_enabled(JVMTI_EVENT_VM_DEATH)) { |
duke@435 | 483 | EVT_TRACE(JVMTI_EVENT_VM_DEATH, ("JVMTI Evt VM death event sent" )); |
duke@435 | 484 | |
duke@435 | 485 | JavaThread *thread = JavaThread::current(); |
duke@435 | 486 | JvmtiEventMark jem(thread); |
duke@435 | 487 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 488 | jvmtiEventVMDeath callback = env->callbacks()->VMDeath; |
duke@435 | 489 | if (callback != NULL) { |
duke@435 | 490 | (*callback)(env->jvmti_external(), jem.jni_env()); |
duke@435 | 491 | } |
duke@435 | 492 | } |
duke@435 | 493 | } |
duke@435 | 494 | |
duke@435 | 495 | JvmtiEnvBase::set_phase(JVMTI_PHASE_DEAD); |
duke@435 | 496 | JvmtiEventController::vm_death(); |
duke@435 | 497 | } |
duke@435 | 498 | |
duke@435 | 499 | char** |
duke@435 | 500 | JvmtiExport::get_all_native_method_prefixes(int* count_ptr) { |
duke@435 | 501 | // Have to grab JVMTI thread state lock to be sure environment doesn't |
duke@435 | 502 | // go away while we iterate them. No locks during VM bring-up. |
duke@435 | 503 | if (Threads::number_of_threads() == 0 || SafepointSynchronize::is_at_safepoint()) { |
duke@435 | 504 | return JvmtiEnvBase::get_all_native_method_prefixes(count_ptr); |
duke@435 | 505 | } else { |
duke@435 | 506 | MutexLocker mu(JvmtiThreadState_lock); |
duke@435 | 507 | return JvmtiEnvBase::get_all_native_method_prefixes(count_ptr); |
duke@435 | 508 | } |
duke@435 | 509 | } |
duke@435 | 510 | |
duke@435 | 511 | class JvmtiClassFileLoadHookPoster : public StackObj { |
duke@435 | 512 | private: |
coleenp@2497 | 513 | Symbol* _h_name; |
duke@435 | 514 | Handle _class_loader; |
duke@435 | 515 | Handle _h_protection_domain; |
duke@435 | 516 | unsigned char ** _data_ptr; |
duke@435 | 517 | unsigned char ** _end_ptr; |
duke@435 | 518 | JavaThread * _thread; |
duke@435 | 519 | jint _curr_len; |
duke@435 | 520 | unsigned char * _curr_data; |
duke@435 | 521 | JvmtiEnv * _curr_env; |
jiangli@5421 | 522 | JvmtiCachedClassFileData ** _cached_class_file_ptr; |
duke@435 | 523 | JvmtiThreadState * _state; |
duke@435 | 524 | KlassHandle * _h_class_being_redefined; |
duke@435 | 525 | JvmtiClassLoadKind _load_kind; |
duke@435 | 526 | |
duke@435 | 527 | public: |
coleenp@2497 | 528 | inline JvmtiClassFileLoadHookPoster(Symbol* h_name, Handle class_loader, |
duke@435 | 529 | Handle h_protection_domain, |
duke@435 | 530 | unsigned char **data_ptr, unsigned char **end_ptr, |
jiangli@5421 | 531 | JvmtiCachedClassFileData **cache_ptr) { |
duke@435 | 532 | _h_name = h_name; |
duke@435 | 533 | _class_loader = class_loader; |
duke@435 | 534 | _h_protection_domain = h_protection_domain; |
duke@435 | 535 | _data_ptr = data_ptr; |
duke@435 | 536 | _end_ptr = end_ptr; |
duke@435 | 537 | _thread = JavaThread::current(); |
duke@435 | 538 | _curr_len = *end_ptr - *data_ptr; |
duke@435 | 539 | _curr_data = *data_ptr; |
duke@435 | 540 | _curr_env = NULL; |
jiangli@5421 | 541 | _cached_class_file_ptr = cache_ptr; |
duke@435 | 542 | |
duke@435 | 543 | _state = _thread->jvmti_thread_state(); |
duke@435 | 544 | if (_state != NULL) { |
duke@435 | 545 | _h_class_being_redefined = _state->get_class_being_redefined(); |
duke@435 | 546 | _load_kind = _state->get_class_load_kind(); |
duke@435 | 547 | // Clear class_being_redefined flag here. The action |
duke@435 | 548 | // from agent handler could generate a new class file load |
duke@435 | 549 | // hook event and if it is not cleared the new event generated |
duke@435 | 550 | // from regular class file load could have this stale redefined |
duke@435 | 551 | // class handle info. |
duke@435 | 552 | _state->clear_class_being_redefined(); |
duke@435 | 553 | } else { |
duke@435 | 554 | // redefine and retransform will always set the thread state |
duke@435 | 555 | _h_class_being_redefined = (KlassHandle *) NULL; |
duke@435 | 556 | _load_kind = jvmti_class_load_kind_load; |
duke@435 | 557 | } |
duke@435 | 558 | } |
duke@435 | 559 | |
duke@435 | 560 | void post() { |
duke@435 | 561 | // EVT_TRIG_TRACE(JVMTI_EVENT_CLASS_FILE_LOAD_HOOK, |
duke@435 | 562 | // ("JVMTI [%s] class file load hook event triggered", |
duke@435 | 563 | // JvmtiTrace::safe_get_thread_name(_thread))); |
duke@435 | 564 | post_all_envs(); |
duke@435 | 565 | copy_modified_data(); |
duke@435 | 566 | } |
duke@435 | 567 | |
duke@435 | 568 | private: |
duke@435 | 569 | void post_all_envs() { |
duke@435 | 570 | if (_load_kind != jvmti_class_load_kind_retransform) { |
duke@435 | 571 | // for class load and redefine, |
duke@435 | 572 | // call the non-retransformable agents |
duke@435 | 573 | JvmtiEnvIterator it; |
duke@435 | 574 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 575 | if (!env->is_retransformable() && env->is_enabled(JVMTI_EVENT_CLASS_FILE_LOAD_HOOK)) { |
duke@435 | 576 | // non-retransformable agents cannot retransform back, |
duke@435 | 577 | // so no need to cache the original class file bytes |
duke@435 | 578 | post_to_env(env, false); |
duke@435 | 579 | } |
duke@435 | 580 | } |
duke@435 | 581 | } |
duke@435 | 582 | JvmtiEnvIterator it; |
duke@435 | 583 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 584 | // retransformable agents get all events |
duke@435 | 585 | if (env->is_retransformable() && env->is_enabled(JVMTI_EVENT_CLASS_FILE_LOAD_HOOK)) { |
duke@435 | 586 | // retransformable agents need to cache the original class file |
duke@435 | 587 | // bytes if changes are made via the ClassFileLoadHook |
duke@435 | 588 | post_to_env(env, true); |
duke@435 | 589 | } |
duke@435 | 590 | } |
duke@435 | 591 | } |
duke@435 | 592 | |
duke@435 | 593 | void post_to_env(JvmtiEnv* env, bool caching_needed) { |
duke@435 | 594 | unsigned char *new_data = NULL; |
duke@435 | 595 | jint new_len = 0; |
duke@435 | 596 | // EVT_TRACE(JVMTI_EVENT_CLASS_FILE_LOAD_HOOK, |
duke@435 | 597 | // ("JVMTI [%s] class file load hook event sent %s data_ptr = %d, data_len = %d", |
duke@435 | 598 | // JvmtiTrace::safe_get_thread_name(_thread), |
coleenp@2497 | 599 | // _h_name == NULL ? "NULL" : _h_name->as_utf8(), |
duke@435 | 600 | // _curr_data, _curr_len )); |
duke@435 | 601 | JvmtiClassFileLoadEventMark jem(_thread, _h_name, _class_loader, |
duke@435 | 602 | _h_protection_domain, |
duke@435 | 603 | _h_class_being_redefined); |
duke@435 | 604 | JvmtiJavaThreadEventTransition jet(_thread); |
duke@435 | 605 | JNIEnv* jni_env = (JvmtiEnv::get_phase() == JVMTI_PHASE_PRIMORDIAL)? |
duke@435 | 606 | NULL : jem.jni_env(); |
duke@435 | 607 | jvmtiEventClassFileLoadHook callback = env->callbacks()->ClassFileLoadHook; |
duke@435 | 608 | if (callback != NULL) { |
duke@435 | 609 | (*callback)(env->jvmti_external(), jni_env, |
duke@435 | 610 | jem.class_being_redefined(), |
duke@435 | 611 | jem.jloader(), jem.class_name(), |
duke@435 | 612 | jem.protection_domain(), |
duke@435 | 613 | _curr_len, _curr_data, |
duke@435 | 614 | &new_len, &new_data); |
duke@435 | 615 | } |
duke@435 | 616 | if (new_data != NULL) { |
duke@435 | 617 | // this agent has modified class data. |
jiangli@5421 | 618 | if (caching_needed && *_cached_class_file_ptr == NULL) { |
duke@435 | 619 | // data has been changed by the new retransformable agent |
duke@435 | 620 | // and it hasn't already been cached, cache it |
jiangli@5421 | 621 | JvmtiCachedClassFileData *p; |
jiangli@5421 | 622 | p = (JvmtiCachedClassFileData *)os::malloc( |
jiangli@5421 | 623 | offset_of(JvmtiCachedClassFileData, data) + _curr_len, mtInternal); |
jiangli@5421 | 624 | if (p == NULL) { |
jiangli@5421 | 625 | vm_exit_out_of_memory(offset_of(JvmtiCachedClassFileData, data) + _curr_len, |
jiangli@5421 | 626 | OOM_MALLOC_ERROR, |
jiangli@5421 | 627 | "unable to allocate cached copy of original class bytes"); |
rbackman@5095 | 628 | } |
jiangli@5421 | 629 | p->length = _curr_len; |
jiangli@5421 | 630 | memcpy(p->data, _curr_data, _curr_len); |
jiangli@5421 | 631 | *_cached_class_file_ptr = p; |
duke@435 | 632 | } |
duke@435 | 633 | |
duke@435 | 634 | if (_curr_data != *_data_ptr) { |
duke@435 | 635 | // curr_data is previous agent modified class data. |
duke@435 | 636 | // And this has been changed by the new agent so |
duke@435 | 637 | // we can delete it now. |
duke@435 | 638 | _curr_env->Deallocate(_curr_data); |
duke@435 | 639 | } |
duke@435 | 640 | |
duke@435 | 641 | // Class file data has changed by the current agent. |
duke@435 | 642 | _curr_data = new_data; |
duke@435 | 643 | _curr_len = new_len; |
duke@435 | 644 | // Save the current agent env we need this to deallocate the |
duke@435 | 645 | // memory allocated by this agent. |
duke@435 | 646 | _curr_env = env; |
duke@435 | 647 | } |
duke@435 | 648 | } |
duke@435 | 649 | |
duke@435 | 650 | void copy_modified_data() { |
duke@435 | 651 | // if one of the agent has modified class file data. |
duke@435 | 652 | // Copy modified class data to new resources array. |
duke@435 | 653 | if (_curr_data != *_data_ptr) { |
duke@435 | 654 | *_data_ptr = NEW_RESOURCE_ARRAY(u1, _curr_len); |
duke@435 | 655 | memcpy(*_data_ptr, _curr_data, _curr_len); |
duke@435 | 656 | *_end_ptr = *_data_ptr + _curr_len; |
duke@435 | 657 | _curr_env->Deallocate(_curr_data); |
duke@435 | 658 | } |
duke@435 | 659 | } |
duke@435 | 660 | }; |
duke@435 | 661 | |
duke@435 | 662 | bool JvmtiExport::_should_post_class_file_load_hook = false; |
duke@435 | 663 | |
duke@435 | 664 | // this entry is for class file load hook on class load, redefine and retransform |
coleenp@2497 | 665 | void JvmtiExport::post_class_file_load_hook(Symbol* h_name, |
duke@435 | 666 | Handle class_loader, |
duke@435 | 667 | Handle h_protection_domain, |
duke@435 | 668 | unsigned char **data_ptr, |
duke@435 | 669 | unsigned char **end_ptr, |
jiangli@5421 | 670 | JvmtiCachedClassFileData **cache_ptr) { |
duke@435 | 671 | JvmtiClassFileLoadHookPoster poster(h_name, class_loader, |
duke@435 | 672 | h_protection_domain, |
duke@435 | 673 | data_ptr, end_ptr, |
jiangli@5421 | 674 | cache_ptr); |
duke@435 | 675 | poster.post(); |
duke@435 | 676 | } |
duke@435 | 677 | |
duke@435 | 678 | void JvmtiExport::report_unsupported(bool on) { |
duke@435 | 679 | // If any JVMTI service is turned on, we need to exit before native code |
duke@435 | 680 | // tries to access nonexistant services. |
duke@435 | 681 | if (on) { |
duke@435 | 682 | vm_exit_during_initialization("Java Kernel does not support JVMTI."); |
duke@435 | 683 | } |
duke@435 | 684 | } |
duke@435 | 685 | |
duke@435 | 686 | |
coleenp@4037 | 687 | static inline Klass* oop_to_klass(oop obj) { |
coleenp@4037 | 688 | Klass* k = obj->klass(); |
duke@435 | 689 | |
duke@435 | 690 | // if the object is a java.lang.Class then return the java mirror |
never@1577 | 691 | if (k == SystemDictionary::Class_klass()) { |
duke@435 | 692 | if (!java_lang_Class::is_primitive(obj)) { |
coleenp@4037 | 693 | k = java_lang_Class::as_Klass(obj); |
duke@435 | 694 | assert(k != NULL, "class for non-primitive mirror must exist"); |
duke@435 | 695 | } |
duke@435 | 696 | } |
duke@435 | 697 | return k; |
duke@435 | 698 | } |
duke@435 | 699 | |
duke@435 | 700 | class JvmtiVMObjectAllocEventMark : public JvmtiClassEventMark { |
duke@435 | 701 | private: |
duke@435 | 702 | jobject _jobj; |
duke@435 | 703 | jlong _size; |
duke@435 | 704 | public: |
coleenp@4037 | 705 | JvmtiVMObjectAllocEventMark(JavaThread *thread, oop obj) : JvmtiClassEventMark(thread, oop_to_klass(obj)) { |
duke@435 | 706 | _jobj = (jobject)to_jobject(obj); |
duke@435 | 707 | _size = obj->size() * wordSize; |
duke@435 | 708 | }; |
duke@435 | 709 | jobject jni_jobject() { return _jobj; } |
duke@435 | 710 | jlong size() { return _size; } |
duke@435 | 711 | }; |
duke@435 | 712 | |
duke@435 | 713 | class JvmtiCompiledMethodLoadEventMark : public JvmtiMethodEventMark { |
duke@435 | 714 | private: |
duke@435 | 715 | jint _code_size; |
duke@435 | 716 | const void *_code_data; |
duke@435 | 717 | jint _map_length; |
duke@435 | 718 | jvmtiAddrLocationMap *_map; |
duke@435 | 719 | const void *_compile_info; |
duke@435 | 720 | public: |
dcubed@1619 | 721 | JvmtiCompiledMethodLoadEventMark(JavaThread *thread, nmethod *nm, void* compile_info_ptr = NULL) |
duke@435 | 722 | : JvmtiMethodEventMark(thread,methodHandle(thread, nm->method())) { |
twisti@2103 | 723 | _code_data = nm->insts_begin(); |
twisti@2103 | 724 | _code_size = nm->insts_size(); |
dcubed@1619 | 725 | _compile_info = compile_info_ptr; // Set void pointer of compiledMethodLoad Event. Default value is NULL. |
duke@435 | 726 | JvmtiCodeBlobEvents::build_jvmti_addr_location_map(nm, &_map, &_map_length); |
duke@435 | 727 | } |
duke@435 | 728 | ~JvmtiCompiledMethodLoadEventMark() { |
zgu@3900 | 729 | FREE_C_HEAP_ARRAY(jvmtiAddrLocationMap, _map, mtInternal); |
duke@435 | 730 | } |
duke@435 | 731 | |
duke@435 | 732 | jint code_size() { return _code_size; } |
duke@435 | 733 | const void *code_data() { return _code_data; } |
duke@435 | 734 | jint map_length() { return _map_length; } |
duke@435 | 735 | const jvmtiAddrLocationMap* map() { return _map; } |
duke@435 | 736 | const void *compile_info() { return _compile_info; } |
duke@435 | 737 | }; |
duke@435 | 738 | |
duke@435 | 739 | |
duke@435 | 740 | |
duke@435 | 741 | class JvmtiMonitorEventMark : public JvmtiThreadEventMark { |
duke@435 | 742 | private: |
duke@435 | 743 | jobject _jobj; |
duke@435 | 744 | public: |
duke@435 | 745 | JvmtiMonitorEventMark(JavaThread *thread, oop object) |
duke@435 | 746 | : JvmtiThreadEventMark(thread){ |
duke@435 | 747 | _jobj = to_jobject(object); |
duke@435 | 748 | } |
duke@435 | 749 | jobject jni_object() { return _jobj; } |
duke@435 | 750 | }; |
duke@435 | 751 | |
duke@435 | 752 | /////////////////////////////////////////////////////////////// |
duke@435 | 753 | // |
duke@435 | 754 | // pending CompiledMethodUnload support |
duke@435 | 755 | // |
duke@435 | 756 | |
kamg@2511 | 757 | void JvmtiExport::post_compiled_method_unload( |
kamg@2511 | 758 | jmethodID method, const void *code_begin) { |
kamg@2511 | 759 | JavaThread* thread = JavaThread::current(); |
never@1932 | 760 | EVT_TRIG_TRACE(JVMTI_EVENT_COMPILED_METHOD_UNLOAD, |
never@1932 | 761 | ("JVMTI [%s] method compile unload event triggered", |
kamg@2511 | 762 | JvmtiTrace::safe_get_thread_name(thread))); |
never@1932 | 763 | |
never@1932 | 764 | // post the event for each environment that has this event enabled. |
never@1932 | 765 | JvmtiEnvIterator it; |
never@1932 | 766 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
never@1932 | 767 | if (env->is_enabled(JVMTI_EVENT_COMPILED_METHOD_UNLOAD)) { |
never@1932 | 768 | |
never@1932 | 769 | EVT_TRACE(JVMTI_EVENT_COMPILED_METHOD_UNLOAD, |
never@1932 | 770 | ("JVMTI [%s] class compile method unload event sent jmethodID " PTR_FORMAT, |
kamg@2511 | 771 | JvmtiTrace::safe_get_thread_name(thread), method)); |
never@1932 | 772 | |
kamg@2511 | 773 | ResourceMark rm(thread); |
never@1932 | 774 | |
kamg@2511 | 775 | JvmtiEventMark jem(thread); |
kamg@2511 | 776 | JvmtiJavaThreadEventTransition jet(thread); |
never@1932 | 777 | jvmtiEventCompiledMethodUnload callback = env->callbacks()->CompiledMethodUnload; |
never@1932 | 778 | if (callback != NULL) { |
never@1932 | 779 | (*callback)(env->jvmti_external(), method, code_begin); |
never@1932 | 780 | } |
never@1932 | 781 | } |
never@1932 | 782 | } |
never@1932 | 783 | } |
never@1932 | 784 | |
duke@435 | 785 | /////////////////////////////////////////////////////////////// |
duke@435 | 786 | // |
duke@435 | 787 | // JvmtiExport |
duke@435 | 788 | // |
duke@435 | 789 | |
coleenp@4037 | 790 | void JvmtiExport::post_raw_breakpoint(JavaThread *thread, Method* method, address location) { |
duke@435 | 791 | HandleMark hm(thread); |
duke@435 | 792 | methodHandle mh(thread, method); |
duke@435 | 793 | |
duke@435 | 794 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 795 | if (state == NULL) { |
duke@435 | 796 | return; |
duke@435 | 797 | } |
duke@435 | 798 | EVT_TRIG_TRACE(JVMTI_EVENT_BREAKPOINT, ("JVMTI [%s] Trg Breakpoint triggered", |
duke@435 | 799 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 800 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 801 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 802 | ets->compare_and_set_current_location(mh(), location, JVMTI_EVENT_BREAKPOINT); |
duke@435 | 803 | if (!ets->breakpoint_posted() && ets->is_enabled(JVMTI_EVENT_BREAKPOINT)) { |
duke@435 | 804 | ThreadState old_os_state = thread->osthread()->get_state(); |
duke@435 | 805 | thread->osthread()->set_state(BREAKPOINTED); |
duke@435 | 806 | EVT_TRACE(JVMTI_EVENT_BREAKPOINT, ("JVMTI [%s] Evt Breakpoint sent %s.%s @ %d", |
duke@435 | 807 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 808 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 809 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
duke@435 | 810 | location - mh()->code_base() )); |
duke@435 | 811 | |
duke@435 | 812 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 813 | JvmtiLocationEventMark jem(thread, mh, location); |
duke@435 | 814 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 815 | jvmtiEventBreakpoint callback = env->callbacks()->Breakpoint; |
duke@435 | 816 | if (callback != NULL) { |
duke@435 | 817 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 818 | jem.jni_methodID(), jem.location()); |
duke@435 | 819 | } |
duke@435 | 820 | |
duke@435 | 821 | ets->set_breakpoint_posted(); |
duke@435 | 822 | thread->osthread()->set_state(old_os_state); |
duke@435 | 823 | } |
duke@435 | 824 | } |
duke@435 | 825 | } |
duke@435 | 826 | |
duke@435 | 827 | ////////////////////////////////////////////////////////////////////////////// |
duke@435 | 828 | |
duke@435 | 829 | bool JvmtiExport::_can_get_source_debug_extension = false; |
duke@435 | 830 | bool JvmtiExport::_can_maintain_original_method_order = false; |
duke@435 | 831 | bool JvmtiExport::_can_post_interpreter_events = false; |
dcubed@1648 | 832 | bool JvmtiExport::_can_post_on_exceptions = false; |
duke@435 | 833 | bool JvmtiExport::_can_post_breakpoint = false; |
duke@435 | 834 | bool JvmtiExport::_can_post_field_access = false; |
duke@435 | 835 | bool JvmtiExport::_can_post_field_modification = false; |
duke@435 | 836 | bool JvmtiExport::_can_post_method_entry = false; |
duke@435 | 837 | bool JvmtiExport::_can_post_method_exit = false; |
duke@435 | 838 | bool JvmtiExport::_can_pop_frame = false; |
duke@435 | 839 | bool JvmtiExport::_can_force_early_return = false; |
duke@435 | 840 | |
duke@435 | 841 | bool JvmtiExport::_should_post_single_step = false; |
duke@435 | 842 | bool JvmtiExport::_should_post_field_access = false; |
duke@435 | 843 | bool JvmtiExport::_should_post_field_modification = false; |
duke@435 | 844 | bool JvmtiExport::_should_post_class_load = false; |
duke@435 | 845 | bool JvmtiExport::_should_post_class_prepare = false; |
duke@435 | 846 | bool JvmtiExport::_should_post_class_unload = false; |
duke@435 | 847 | bool JvmtiExport::_should_post_thread_life = false; |
duke@435 | 848 | bool JvmtiExport::_should_clean_up_heap_objects = false; |
duke@435 | 849 | bool JvmtiExport::_should_post_native_method_bind = false; |
duke@435 | 850 | bool JvmtiExport::_should_post_dynamic_code_generated = false; |
duke@435 | 851 | bool JvmtiExport::_should_post_data_dump = false; |
duke@435 | 852 | bool JvmtiExport::_should_post_compiled_method_load = false; |
duke@435 | 853 | bool JvmtiExport::_should_post_compiled_method_unload = false; |
duke@435 | 854 | bool JvmtiExport::_should_post_monitor_contended_enter = false; |
duke@435 | 855 | bool JvmtiExport::_should_post_monitor_contended_entered = false; |
duke@435 | 856 | bool JvmtiExport::_should_post_monitor_wait = false; |
duke@435 | 857 | bool JvmtiExport::_should_post_monitor_waited = false; |
duke@435 | 858 | bool JvmtiExport::_should_post_garbage_collection_start = false; |
duke@435 | 859 | bool JvmtiExport::_should_post_garbage_collection_finish = false; |
duke@435 | 860 | bool JvmtiExport::_should_post_object_free = false; |
duke@435 | 861 | bool JvmtiExport::_should_post_resource_exhausted = false; |
duke@435 | 862 | bool JvmtiExport::_should_post_vm_object_alloc = false; |
dcubed@1648 | 863 | bool JvmtiExport::_should_post_on_exceptions = false; |
duke@435 | 864 | |
duke@435 | 865 | //////////////////////////////////////////////////////////////////////////////////////////////// |
duke@435 | 866 | |
duke@435 | 867 | |
duke@435 | 868 | // |
duke@435 | 869 | // JVMTI single step management |
duke@435 | 870 | // |
coleenp@4037 | 871 | void JvmtiExport::at_single_stepping_point(JavaThread *thread, Method* method, address location) { |
duke@435 | 872 | assert(JvmtiExport::should_post_single_step(), "must be single stepping"); |
duke@435 | 873 | |
duke@435 | 874 | HandleMark hm(thread); |
duke@435 | 875 | methodHandle mh(thread, method); |
duke@435 | 876 | |
duke@435 | 877 | // update information about current location and post a step event |
duke@435 | 878 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 879 | if (state == NULL) { |
duke@435 | 880 | return; |
duke@435 | 881 | } |
duke@435 | 882 | EVT_TRIG_TRACE(JVMTI_EVENT_SINGLE_STEP, ("JVMTI [%s] Trg Single Step triggered", |
duke@435 | 883 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 884 | if (!state->hide_single_stepping()) { |
duke@435 | 885 | if (state->is_pending_step_for_popframe()) { |
duke@435 | 886 | state->process_pending_step_for_popframe(); |
duke@435 | 887 | } |
duke@435 | 888 | if (state->is_pending_step_for_earlyret()) { |
duke@435 | 889 | state->process_pending_step_for_earlyret(); |
duke@435 | 890 | } |
duke@435 | 891 | JvmtiExport::post_single_step(thread, mh(), location); |
duke@435 | 892 | } |
duke@435 | 893 | } |
duke@435 | 894 | |
duke@435 | 895 | |
duke@435 | 896 | void JvmtiExport::expose_single_stepping(JavaThread *thread) { |
duke@435 | 897 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 898 | if (state != NULL) { |
duke@435 | 899 | state->clear_hide_single_stepping(); |
duke@435 | 900 | } |
duke@435 | 901 | } |
duke@435 | 902 | |
duke@435 | 903 | |
duke@435 | 904 | bool JvmtiExport::hide_single_stepping(JavaThread *thread) { |
duke@435 | 905 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 906 | if (state != NULL && state->is_enabled(JVMTI_EVENT_SINGLE_STEP)) { |
duke@435 | 907 | state->set_hide_single_stepping(); |
duke@435 | 908 | return true; |
duke@435 | 909 | } else { |
duke@435 | 910 | return false; |
duke@435 | 911 | } |
duke@435 | 912 | } |
duke@435 | 913 | |
coleenp@4037 | 914 | void JvmtiExport::post_class_load(JavaThread *thread, Klass* klass) { |
duke@435 | 915 | HandleMark hm(thread); |
duke@435 | 916 | KlassHandle kh(thread, klass); |
duke@435 | 917 | |
duke@435 | 918 | EVT_TRIG_TRACE(JVMTI_EVENT_CLASS_LOAD, ("JVMTI [%s] Trg Class Load triggered", |
duke@435 | 919 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 920 | JvmtiThreadState* state = thread->jvmti_thread_state(); |
duke@435 | 921 | if (state == NULL) { |
duke@435 | 922 | return; |
duke@435 | 923 | } |
duke@435 | 924 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 925 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 926 | if (ets->is_enabled(JVMTI_EVENT_CLASS_LOAD)) { |
duke@435 | 927 | EVT_TRACE(JVMTI_EVENT_CLASS_LOAD, ("JVMTI [%s] Evt Class Load sent %s", |
duke@435 | 928 | JvmtiTrace::safe_get_thread_name(thread), |
hseigel@4278 | 929 | kh()==NULL? "NULL" : kh()->external_name() )); |
duke@435 | 930 | |
duke@435 | 931 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 932 | JvmtiClassEventMark jem(thread, kh()); |
duke@435 | 933 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 934 | jvmtiEventClassLoad callback = env->callbacks()->ClassLoad; |
duke@435 | 935 | if (callback != NULL) { |
duke@435 | 936 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_class()); |
duke@435 | 937 | } |
duke@435 | 938 | } |
duke@435 | 939 | } |
duke@435 | 940 | } |
duke@435 | 941 | |
duke@435 | 942 | |
coleenp@4037 | 943 | void JvmtiExport::post_class_prepare(JavaThread *thread, Klass* klass) { |
duke@435 | 944 | HandleMark hm(thread); |
duke@435 | 945 | KlassHandle kh(thread, klass); |
duke@435 | 946 | |
duke@435 | 947 | EVT_TRIG_TRACE(JVMTI_EVENT_CLASS_PREPARE, ("JVMTI [%s] Trg Class Prepare triggered", |
duke@435 | 948 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 949 | JvmtiThreadState* state = thread->jvmti_thread_state(); |
duke@435 | 950 | if (state == NULL) { |
duke@435 | 951 | return; |
duke@435 | 952 | } |
duke@435 | 953 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 954 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 955 | if (ets->is_enabled(JVMTI_EVENT_CLASS_PREPARE)) { |
duke@435 | 956 | EVT_TRACE(JVMTI_EVENT_CLASS_PREPARE, ("JVMTI [%s] Evt Class Prepare sent %s", |
duke@435 | 957 | JvmtiTrace::safe_get_thread_name(thread), |
hseigel@4278 | 958 | kh()==NULL? "NULL" : kh()->external_name() )); |
duke@435 | 959 | |
duke@435 | 960 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 961 | JvmtiClassEventMark jem(thread, kh()); |
duke@435 | 962 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 963 | jvmtiEventClassPrepare callback = env->callbacks()->ClassPrepare; |
duke@435 | 964 | if (callback != NULL) { |
duke@435 | 965 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_class()); |
duke@435 | 966 | } |
duke@435 | 967 | } |
duke@435 | 968 | } |
duke@435 | 969 | } |
duke@435 | 970 | |
coleenp@4037 | 971 | void JvmtiExport::post_class_unload(Klass* klass) { |
duke@435 | 972 | Thread *thread = Thread::current(); |
duke@435 | 973 | HandleMark hm(thread); |
duke@435 | 974 | KlassHandle kh(thread, klass); |
duke@435 | 975 | |
duke@435 | 976 | EVT_TRIG_TRACE(EXT_EVENT_CLASS_UNLOAD, ("JVMTI [?] Trg Class Unload triggered" )); |
duke@435 | 977 | if (JvmtiEventController::is_enabled((jvmtiEvent)EXT_EVENT_CLASS_UNLOAD)) { |
duke@435 | 978 | assert(thread->is_VM_thread(), "wrong thread"); |
duke@435 | 979 | |
duke@435 | 980 | // get JavaThread for whom we are proxy |
duke@435 | 981 | JavaThread *real_thread = |
duke@435 | 982 | (JavaThread *)((VMThread *)thread)->vm_operation()->calling_thread(); |
duke@435 | 983 | |
duke@435 | 984 | JvmtiEnvIterator it; |
duke@435 | 985 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 986 | if (env->is_enabled((jvmtiEvent)EXT_EVENT_CLASS_UNLOAD)) { |
duke@435 | 987 | EVT_TRACE(EXT_EVENT_CLASS_UNLOAD, ("JVMTI [?] Evt Class Unload sent %s", |
hseigel@4278 | 988 | kh()==NULL? "NULL" : kh()->external_name() )); |
duke@435 | 989 | |
duke@435 | 990 | // do everything manually, since this is a proxy - needs special care |
duke@435 | 991 | JNIEnv* jni_env = real_thread->jni_environment(); |
duke@435 | 992 | jthread jt = (jthread)JNIHandles::make_local(real_thread, real_thread->threadObj()); |
hseigel@4278 | 993 | jclass jk = (jclass)JNIHandles::make_local(real_thread, kh()->java_mirror()); |
duke@435 | 994 | |
duke@435 | 995 | // Before we call the JVMTI agent, we have to set the state in the |
duke@435 | 996 | // thread for which we are proxying. |
duke@435 | 997 | JavaThreadState prev_state = real_thread->thread_state(); |
duke@435 | 998 | assert(prev_state == _thread_blocked, "JavaThread should be at safepoint"); |
duke@435 | 999 | real_thread->set_thread_state(_thread_in_native); |
duke@435 | 1000 | |
duke@435 | 1001 | jvmtiExtensionEvent callback = env->ext_callbacks()->ClassUnload; |
duke@435 | 1002 | if (callback != NULL) { |
duke@435 | 1003 | (*callback)(env->jvmti_external(), jni_env, jt, jk); |
duke@435 | 1004 | } |
duke@435 | 1005 | |
duke@435 | 1006 | assert(real_thread->thread_state() == _thread_in_native, |
duke@435 | 1007 | "JavaThread should be in native"); |
duke@435 | 1008 | real_thread->set_thread_state(prev_state); |
duke@435 | 1009 | |
duke@435 | 1010 | JNIHandles::destroy_local(jk); |
duke@435 | 1011 | JNIHandles::destroy_local(jt); |
duke@435 | 1012 | } |
duke@435 | 1013 | } |
duke@435 | 1014 | } |
duke@435 | 1015 | } |
duke@435 | 1016 | |
duke@435 | 1017 | |
duke@435 | 1018 | void JvmtiExport::post_thread_start(JavaThread *thread) { |
duke@435 | 1019 | assert(thread->thread_state() == _thread_in_vm, "must be in vm state"); |
duke@435 | 1020 | |
duke@435 | 1021 | EVT_TRIG_TRACE(JVMTI_EVENT_THREAD_START, ("JVMTI [%s] Trg Thread Start event triggered", |
duke@435 | 1022 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1023 | |
duke@435 | 1024 | // do JVMTI thread initialization (if needed) |
duke@435 | 1025 | JvmtiEventController::thread_started(thread); |
duke@435 | 1026 | |
duke@435 | 1027 | // Do not post thread start event for hidden java thread. |
duke@435 | 1028 | if (JvmtiEventController::is_enabled(JVMTI_EVENT_THREAD_START) && |
duke@435 | 1029 | !thread->is_hidden_from_external_view()) { |
duke@435 | 1030 | JvmtiEnvIterator it; |
duke@435 | 1031 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 1032 | if (env->is_enabled(JVMTI_EVENT_THREAD_START)) { |
duke@435 | 1033 | EVT_TRACE(JVMTI_EVENT_THREAD_START, ("JVMTI [%s] Evt Thread Start event sent", |
duke@435 | 1034 | JvmtiTrace::safe_get_thread_name(thread) )); |
duke@435 | 1035 | |
duke@435 | 1036 | JvmtiThreadEventMark jem(thread); |
duke@435 | 1037 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1038 | jvmtiEventThreadStart callback = env->callbacks()->ThreadStart; |
duke@435 | 1039 | if (callback != NULL) { |
duke@435 | 1040 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread()); |
duke@435 | 1041 | } |
duke@435 | 1042 | } |
duke@435 | 1043 | } |
duke@435 | 1044 | } |
duke@435 | 1045 | } |
duke@435 | 1046 | |
duke@435 | 1047 | |
duke@435 | 1048 | void JvmtiExport::post_thread_end(JavaThread *thread) { |
duke@435 | 1049 | EVT_TRIG_TRACE(JVMTI_EVENT_THREAD_END, ("JVMTI [%s] Trg Thread End event triggered", |
duke@435 | 1050 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1051 | |
duke@435 | 1052 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 1053 | if (state == NULL) { |
duke@435 | 1054 | return; |
duke@435 | 1055 | } |
duke@435 | 1056 | |
duke@435 | 1057 | // Do not post thread end event for hidden java thread. |
duke@435 | 1058 | if (state->is_enabled(JVMTI_EVENT_THREAD_END) && |
duke@435 | 1059 | !thread->is_hidden_from_external_view()) { |
duke@435 | 1060 | |
duke@435 | 1061 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 1062 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 1063 | if (ets->is_enabled(JVMTI_EVENT_THREAD_END)) { |
duke@435 | 1064 | EVT_TRACE(JVMTI_EVENT_THREAD_END, ("JVMTI [%s] Evt Thread End event sent", |
duke@435 | 1065 | JvmtiTrace::safe_get_thread_name(thread) )); |
duke@435 | 1066 | |
duke@435 | 1067 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 1068 | JvmtiThreadEventMark jem(thread); |
duke@435 | 1069 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1070 | jvmtiEventThreadEnd callback = env->callbacks()->ThreadEnd; |
duke@435 | 1071 | if (callback != NULL) { |
duke@435 | 1072 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread()); |
duke@435 | 1073 | } |
duke@435 | 1074 | } |
duke@435 | 1075 | } |
duke@435 | 1076 | } |
duke@435 | 1077 | } |
duke@435 | 1078 | |
duke@435 | 1079 | void JvmtiExport::post_object_free(JvmtiEnv* env, jlong tag) { |
duke@435 | 1080 | assert(SafepointSynchronize::is_at_safepoint(), "must be executed at safepoint"); |
duke@435 | 1081 | assert(env->is_enabled(JVMTI_EVENT_OBJECT_FREE), "checking"); |
duke@435 | 1082 | |
duke@435 | 1083 | EVT_TRIG_TRACE(JVMTI_EVENT_OBJECT_FREE, ("JVMTI [?] Trg Object Free triggered" )); |
duke@435 | 1084 | EVT_TRACE(JVMTI_EVENT_OBJECT_FREE, ("JVMTI [?] Evt Object Free sent")); |
duke@435 | 1085 | |
duke@435 | 1086 | jvmtiEventObjectFree callback = env->callbacks()->ObjectFree; |
duke@435 | 1087 | if (callback != NULL) { |
duke@435 | 1088 | (*callback)(env->jvmti_external(), tag); |
duke@435 | 1089 | } |
duke@435 | 1090 | } |
duke@435 | 1091 | |
duke@435 | 1092 | void JvmtiExport::post_resource_exhausted(jint resource_exhausted_flags, const char* description) { |
duke@435 | 1093 | EVT_TRIG_TRACE(JVMTI_EVENT_RESOURCE_EXHAUSTED, ("JVMTI Trg resource exhausted event triggered" )); |
duke@435 | 1094 | |
duke@435 | 1095 | JvmtiEnvIterator it; |
duke@435 | 1096 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 1097 | if (env->is_enabled(JVMTI_EVENT_RESOURCE_EXHAUSTED)) { |
duke@435 | 1098 | EVT_TRACE(JVMTI_EVENT_RESOURCE_EXHAUSTED, ("JVMTI Evt resource exhausted event sent" )); |
duke@435 | 1099 | |
duke@435 | 1100 | JavaThread *thread = JavaThread::current(); |
duke@435 | 1101 | JvmtiThreadEventMark jem(thread); |
duke@435 | 1102 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1103 | jvmtiEventResourceExhausted callback = env->callbacks()->ResourceExhausted; |
duke@435 | 1104 | if (callback != NULL) { |
duke@435 | 1105 | (*callback)(env->jvmti_external(), jem.jni_env(), |
duke@435 | 1106 | resource_exhausted_flags, NULL, description); |
duke@435 | 1107 | } |
duke@435 | 1108 | } |
duke@435 | 1109 | } |
duke@435 | 1110 | } |
duke@435 | 1111 | |
coleenp@4037 | 1112 | void JvmtiExport::post_method_entry(JavaThread *thread, Method* method, frame current_frame) { |
duke@435 | 1113 | HandleMark hm(thread); |
duke@435 | 1114 | methodHandle mh(thread, method); |
duke@435 | 1115 | |
duke@435 | 1116 | EVT_TRIG_TRACE(JVMTI_EVENT_METHOD_ENTRY, ("JVMTI [%s] Trg Method Entry triggered %s.%s", |
duke@435 | 1117 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1118 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1119 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
duke@435 | 1120 | |
duke@435 | 1121 | JvmtiThreadState* state = thread->jvmti_thread_state(); |
duke@435 | 1122 | if (state == NULL || !state->is_interp_only_mode()) { |
duke@435 | 1123 | // for any thread that actually wants method entry, interp_only_mode is set |
duke@435 | 1124 | return; |
duke@435 | 1125 | } |
duke@435 | 1126 | |
duke@435 | 1127 | state->incr_cur_stack_depth(); |
duke@435 | 1128 | |
duke@435 | 1129 | if (state->is_enabled(JVMTI_EVENT_METHOD_ENTRY)) { |
duke@435 | 1130 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 1131 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 1132 | if (ets->is_enabled(JVMTI_EVENT_METHOD_ENTRY)) { |
duke@435 | 1133 | EVT_TRACE(JVMTI_EVENT_METHOD_ENTRY, ("JVMTI [%s] Evt Method Entry sent %s.%s", |
duke@435 | 1134 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1135 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1136 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
duke@435 | 1137 | |
duke@435 | 1138 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 1139 | JvmtiMethodEventMark jem(thread, mh); |
duke@435 | 1140 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1141 | jvmtiEventMethodEntry callback = env->callbacks()->MethodEntry; |
duke@435 | 1142 | if (callback != NULL) { |
duke@435 | 1143 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_methodID()); |
duke@435 | 1144 | } |
duke@435 | 1145 | } |
duke@435 | 1146 | } |
duke@435 | 1147 | } |
duke@435 | 1148 | } |
duke@435 | 1149 | |
coleenp@4037 | 1150 | void JvmtiExport::post_method_exit(JavaThread *thread, Method* method, frame current_frame) { |
duke@435 | 1151 | HandleMark hm(thread); |
duke@435 | 1152 | methodHandle mh(thread, method); |
duke@435 | 1153 | |
duke@435 | 1154 | EVT_TRIG_TRACE(JVMTI_EVENT_METHOD_EXIT, ("JVMTI [%s] Trg Method Exit triggered %s.%s", |
duke@435 | 1155 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1156 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1157 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
duke@435 | 1158 | |
duke@435 | 1159 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 1160 | if (state == NULL || !state->is_interp_only_mode()) { |
duke@435 | 1161 | // for any thread that actually wants method exit, interp_only_mode is set |
duke@435 | 1162 | return; |
duke@435 | 1163 | } |
duke@435 | 1164 | |
duke@435 | 1165 | // return a flag when a method terminates by throwing an exception |
duke@435 | 1166 | // i.e. if an exception is thrown and it's not caught by the current method |
duke@435 | 1167 | bool exception_exit = state->is_exception_detected() && !state->is_exception_caught(); |
duke@435 | 1168 | |
duke@435 | 1169 | |
duke@435 | 1170 | if (state->is_enabled(JVMTI_EVENT_METHOD_EXIT)) { |
duke@435 | 1171 | Handle result; |
duke@435 | 1172 | jvalue value; |
duke@435 | 1173 | value.j = 0L; |
duke@435 | 1174 | |
duke@435 | 1175 | // if the method hasn't been popped because of an exception then we populate |
duke@435 | 1176 | // the return_value parameter for the callback. At this point we only have |
duke@435 | 1177 | // the address of a "raw result" and we just call into the interpreter to |
duke@435 | 1178 | // convert this into a jvalue. |
duke@435 | 1179 | if (!exception_exit) { |
duke@435 | 1180 | oop oop_result; |
duke@435 | 1181 | BasicType type = current_frame.interpreter_frame_result(&oop_result, &value); |
duke@435 | 1182 | if (type == T_OBJECT || type == T_ARRAY) { |
duke@435 | 1183 | result = Handle(thread, oop_result); |
duke@435 | 1184 | } |
duke@435 | 1185 | } |
duke@435 | 1186 | |
duke@435 | 1187 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 1188 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 1189 | if (ets->is_enabled(JVMTI_EVENT_METHOD_EXIT)) { |
duke@435 | 1190 | EVT_TRACE(JVMTI_EVENT_METHOD_EXIT, ("JVMTI [%s] Evt Method Exit sent %s.%s", |
duke@435 | 1191 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1192 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1193 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
duke@435 | 1194 | |
duke@435 | 1195 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 1196 | JvmtiMethodEventMark jem(thread, mh); |
duke@435 | 1197 | if (result.not_null()) { |
duke@435 | 1198 | value.l = JNIHandles::make_local(thread, result()); |
duke@435 | 1199 | } |
duke@435 | 1200 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1201 | jvmtiEventMethodExit callback = env->callbacks()->MethodExit; |
duke@435 | 1202 | if (callback != NULL) { |
duke@435 | 1203 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 1204 | jem.jni_methodID(), exception_exit, value); |
duke@435 | 1205 | } |
duke@435 | 1206 | } |
duke@435 | 1207 | } |
duke@435 | 1208 | } |
duke@435 | 1209 | |
duke@435 | 1210 | if (state->is_enabled(JVMTI_EVENT_FRAME_POP)) { |
duke@435 | 1211 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 1212 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 1213 | int cur_frame_number = state->cur_stack_depth(); |
duke@435 | 1214 | |
duke@435 | 1215 | if (ets->is_frame_pop(cur_frame_number)) { |
duke@435 | 1216 | // we have a NotifyFramePop entry for this frame. |
duke@435 | 1217 | // now check that this env/thread wants this event |
duke@435 | 1218 | if (ets->is_enabled(JVMTI_EVENT_FRAME_POP)) { |
duke@435 | 1219 | EVT_TRACE(JVMTI_EVENT_FRAME_POP, ("JVMTI [%s] Evt Frame Pop sent %s.%s", |
duke@435 | 1220 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1221 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1222 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string() )); |
duke@435 | 1223 | |
duke@435 | 1224 | // we also need to issue a frame pop event for this frame |
duke@435 | 1225 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 1226 | JvmtiMethodEventMark jem(thread, mh); |
duke@435 | 1227 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1228 | jvmtiEventFramePop callback = env->callbacks()->FramePop; |
duke@435 | 1229 | if (callback != NULL) { |
duke@435 | 1230 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 1231 | jem.jni_methodID(), exception_exit); |
duke@435 | 1232 | } |
duke@435 | 1233 | } |
duke@435 | 1234 | // remove the frame's entry |
duke@435 | 1235 | ets->clear_frame_pop(cur_frame_number); |
duke@435 | 1236 | } |
duke@435 | 1237 | } |
duke@435 | 1238 | } |
duke@435 | 1239 | |
duke@435 | 1240 | state->decr_cur_stack_depth(); |
duke@435 | 1241 | } |
duke@435 | 1242 | |
duke@435 | 1243 | |
duke@435 | 1244 | // Todo: inline this for optimization |
coleenp@4037 | 1245 | void JvmtiExport::post_single_step(JavaThread *thread, Method* method, address location) { |
duke@435 | 1246 | HandleMark hm(thread); |
duke@435 | 1247 | methodHandle mh(thread, method); |
duke@435 | 1248 | |
duke@435 | 1249 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 1250 | if (state == NULL) { |
duke@435 | 1251 | return; |
duke@435 | 1252 | } |
duke@435 | 1253 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 1254 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 1255 | ets->compare_and_set_current_location(mh(), location, JVMTI_EVENT_SINGLE_STEP); |
duke@435 | 1256 | if (!ets->single_stepping_posted() && ets->is_enabled(JVMTI_EVENT_SINGLE_STEP)) { |
duke@435 | 1257 | EVT_TRACE(JVMTI_EVENT_SINGLE_STEP, ("JVMTI [%s] Evt Single Step sent %s.%s @ %d", |
duke@435 | 1258 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1259 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1260 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
duke@435 | 1261 | location - mh()->code_base() )); |
duke@435 | 1262 | |
duke@435 | 1263 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 1264 | JvmtiLocationEventMark jem(thread, mh, location); |
duke@435 | 1265 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1266 | jvmtiEventSingleStep callback = env->callbacks()->SingleStep; |
duke@435 | 1267 | if (callback != NULL) { |
duke@435 | 1268 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 1269 | jem.jni_methodID(), jem.location()); |
duke@435 | 1270 | } |
duke@435 | 1271 | |
duke@435 | 1272 | ets->set_single_stepping_posted(); |
duke@435 | 1273 | } |
duke@435 | 1274 | } |
duke@435 | 1275 | } |
duke@435 | 1276 | |
duke@435 | 1277 | |
coleenp@4037 | 1278 | void JvmtiExport::post_exception_throw(JavaThread *thread, Method* method, address location, oop exception) { |
duke@435 | 1279 | HandleMark hm(thread); |
duke@435 | 1280 | methodHandle mh(thread, method); |
duke@435 | 1281 | Handle exception_handle(thread, exception); |
duke@435 | 1282 | |
duke@435 | 1283 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 1284 | if (state == NULL) { |
duke@435 | 1285 | return; |
duke@435 | 1286 | } |
duke@435 | 1287 | |
duke@435 | 1288 | EVT_TRIG_TRACE(JVMTI_EVENT_EXCEPTION, ("JVMTI [%s] Trg Exception thrown triggered", |
duke@435 | 1289 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1290 | if (!state->is_exception_detected()) { |
duke@435 | 1291 | state->set_exception_detected(); |
duke@435 | 1292 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 1293 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 1294 | if (ets->is_enabled(JVMTI_EVENT_EXCEPTION) && (exception != NULL)) { |
duke@435 | 1295 | |
duke@435 | 1296 | EVT_TRACE(JVMTI_EVENT_EXCEPTION, |
duke@435 | 1297 | ("JVMTI [%s] Evt Exception thrown sent %s.%s @ %d", |
duke@435 | 1298 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1299 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1300 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
duke@435 | 1301 | location - mh()->code_base() )); |
duke@435 | 1302 | |
duke@435 | 1303 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 1304 | JvmtiExceptionEventMark jem(thread, mh, location, exception_handle); |
duke@435 | 1305 | |
duke@435 | 1306 | // It's okay to clear these exceptions here because we duplicate |
duke@435 | 1307 | // this lookup in InterpreterRuntime::exception_handler_for_exception. |
duke@435 | 1308 | EXCEPTION_MARK; |
duke@435 | 1309 | |
duke@435 | 1310 | bool should_repeat; |
duke@435 | 1311 | vframeStream st(thread); |
duke@435 | 1312 | assert(!st.at_end(), "cannot be at end"); |
coleenp@4037 | 1313 | Method* current_method = NULL; |
jiangli@4405 | 1314 | // A GC may occur during the Method::fast_exception_handler_bci_for() |
jiangli@4405 | 1315 | // call below if it needs to load the constraint class. Using a |
jiangli@4405 | 1316 | // methodHandle to keep the 'current_method' from being deallocated |
jiangli@4405 | 1317 | // if GC happens. |
jiangli@4405 | 1318 | methodHandle current_mh = methodHandle(thread, current_method); |
duke@435 | 1319 | int current_bci = -1; |
duke@435 | 1320 | do { |
duke@435 | 1321 | current_method = st.method(); |
jiangli@4405 | 1322 | current_mh = methodHandle(thread, current_method); |
duke@435 | 1323 | current_bci = st.bci(); |
duke@435 | 1324 | do { |
duke@435 | 1325 | should_repeat = false; |
duke@435 | 1326 | KlassHandle eh_klass(thread, exception_handle()->klass()); |
jiangli@4405 | 1327 | current_bci = Method::fast_exception_handler_bci_for( |
jiangli@4405 | 1328 | current_mh, eh_klass, current_bci, THREAD); |
duke@435 | 1329 | if (HAS_PENDING_EXCEPTION) { |
coleenp@4037 | 1330 | exception_handle = Handle(thread, PENDING_EXCEPTION); |
duke@435 | 1331 | CLEAR_PENDING_EXCEPTION; |
duke@435 | 1332 | should_repeat = true; |
duke@435 | 1333 | } |
duke@435 | 1334 | } while (should_repeat && (current_bci != -1)); |
duke@435 | 1335 | st.next(); |
duke@435 | 1336 | } while ((current_bci < 0) && (!st.at_end())); |
duke@435 | 1337 | |
duke@435 | 1338 | jmethodID catch_jmethodID; |
duke@435 | 1339 | if (current_bci < 0) { |
duke@435 | 1340 | catch_jmethodID = 0; |
duke@435 | 1341 | current_bci = 0; |
duke@435 | 1342 | } else { |
jiangli@4405 | 1343 | catch_jmethodID = jem.to_jmethodID(current_mh); |
duke@435 | 1344 | } |
duke@435 | 1345 | |
duke@435 | 1346 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1347 | jvmtiEventException callback = env->callbacks()->Exception; |
duke@435 | 1348 | if (callback != NULL) { |
duke@435 | 1349 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 1350 | jem.jni_methodID(), jem.location(), |
duke@435 | 1351 | jem.exception(), |
duke@435 | 1352 | catch_jmethodID, current_bci); |
duke@435 | 1353 | } |
duke@435 | 1354 | } |
duke@435 | 1355 | } |
duke@435 | 1356 | } |
duke@435 | 1357 | |
duke@435 | 1358 | // frames may get popped because of this throw, be safe - invalidate cached depth |
duke@435 | 1359 | state->invalidate_cur_stack_depth(); |
duke@435 | 1360 | } |
duke@435 | 1361 | |
duke@435 | 1362 | |
coleenp@4037 | 1363 | void JvmtiExport::notice_unwind_due_to_exception(JavaThread *thread, Method* method, address location, oop exception, bool in_handler_frame) { |
duke@435 | 1364 | HandleMark hm(thread); |
duke@435 | 1365 | methodHandle mh(thread, method); |
duke@435 | 1366 | Handle exception_handle(thread, exception); |
duke@435 | 1367 | |
duke@435 | 1368 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 1369 | if (state == NULL) { |
duke@435 | 1370 | return; |
duke@435 | 1371 | } |
duke@435 | 1372 | EVT_TRIG_TRACE(JVMTI_EVENT_EXCEPTION_CATCH, |
duke@435 | 1373 | ("JVMTI [%s] Trg unwind_due_to_exception triggered %s.%s @ %s%d - %s", |
duke@435 | 1374 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1375 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1376 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
duke@435 | 1377 | location==0? "no location:" : "", |
duke@435 | 1378 | location==0? 0 : location - mh()->code_base(), |
duke@435 | 1379 | in_handler_frame? "in handler frame" : "not handler frame" )); |
duke@435 | 1380 | |
duke@435 | 1381 | if (state->is_exception_detected()) { |
duke@435 | 1382 | |
duke@435 | 1383 | state->invalidate_cur_stack_depth(); |
duke@435 | 1384 | if (!in_handler_frame) { |
duke@435 | 1385 | // Not in exception handler. |
duke@435 | 1386 | if(state->is_interp_only_mode()) { |
duke@435 | 1387 | // method exit and frame pop events are posted only in interp mode. |
duke@435 | 1388 | // When these events are enabled code should be in running in interp mode. |
duke@435 | 1389 | JvmtiExport::post_method_exit(thread, method, thread->last_frame()); |
duke@435 | 1390 | // The cached cur_stack_depth might have changed from the |
duke@435 | 1391 | // operations of frame pop or method exit. We are not 100% sure |
duke@435 | 1392 | // the cached cur_stack_depth is still valid depth so invalidate |
duke@435 | 1393 | // it. |
duke@435 | 1394 | state->invalidate_cur_stack_depth(); |
duke@435 | 1395 | } |
duke@435 | 1396 | } else { |
duke@435 | 1397 | // In exception handler frame. Report exception catch. |
duke@435 | 1398 | assert(location != NULL, "must be a known location"); |
duke@435 | 1399 | // Update cur_stack_depth - the frames above the current frame |
duke@435 | 1400 | // have been unwound due to this exception: |
duke@435 | 1401 | assert(!state->is_exception_caught(), "exception must not be caught yet."); |
duke@435 | 1402 | state->set_exception_caught(); |
duke@435 | 1403 | |
duke@435 | 1404 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 1405 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 1406 | if (ets->is_enabled(JVMTI_EVENT_EXCEPTION_CATCH) && (exception_handle() != NULL)) { |
duke@435 | 1407 | EVT_TRACE(JVMTI_EVENT_EXCEPTION_CATCH, |
duke@435 | 1408 | ("JVMTI [%s] Evt ExceptionCatch sent %s.%s @ %d", |
duke@435 | 1409 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1410 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1411 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
duke@435 | 1412 | location - mh()->code_base() )); |
duke@435 | 1413 | |
duke@435 | 1414 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 1415 | JvmtiExceptionEventMark jem(thread, mh, location, exception_handle); |
duke@435 | 1416 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1417 | jvmtiEventExceptionCatch callback = env->callbacks()->ExceptionCatch; |
duke@435 | 1418 | if (callback != NULL) { |
duke@435 | 1419 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 1420 | jem.jni_methodID(), jem.location(), |
duke@435 | 1421 | jem.exception()); |
duke@435 | 1422 | } |
duke@435 | 1423 | } |
duke@435 | 1424 | } |
duke@435 | 1425 | } |
duke@435 | 1426 | } |
duke@435 | 1427 | } |
duke@435 | 1428 | |
duke@435 | 1429 | oop JvmtiExport::jni_GetField_probe(JavaThread *thread, jobject jobj, oop obj, |
coleenp@4037 | 1430 | Klass* klass, jfieldID fieldID, bool is_static) { |
duke@435 | 1431 | if (*((int *)get_field_access_count_addr()) > 0 && thread->has_last_Java_frame()) { |
duke@435 | 1432 | // At least one field access watch is set so we have more work |
duke@435 | 1433 | // to do. This wrapper is used by entry points that allow us |
duke@435 | 1434 | // to create handles in post_field_access_by_jni(). |
duke@435 | 1435 | post_field_access_by_jni(thread, obj, klass, fieldID, is_static); |
duke@435 | 1436 | // event posting can block so refetch oop if we were passed a jobj |
duke@435 | 1437 | if (jobj != NULL) return JNIHandles::resolve_non_null(jobj); |
duke@435 | 1438 | } |
duke@435 | 1439 | return obj; |
duke@435 | 1440 | } |
duke@435 | 1441 | |
duke@435 | 1442 | oop JvmtiExport::jni_GetField_probe_nh(JavaThread *thread, jobject jobj, oop obj, |
coleenp@4037 | 1443 | Klass* klass, jfieldID fieldID, bool is_static) { |
duke@435 | 1444 | if (*((int *)get_field_access_count_addr()) > 0 && thread->has_last_Java_frame()) { |
duke@435 | 1445 | // At least one field access watch is set so we have more work |
duke@435 | 1446 | // to do. This wrapper is used by "quick" entry points that don't |
duke@435 | 1447 | // allow us to create handles in post_field_access_by_jni(). We |
duke@435 | 1448 | // override that with a ResetNoHandleMark. |
duke@435 | 1449 | ResetNoHandleMark rnhm; |
duke@435 | 1450 | post_field_access_by_jni(thread, obj, klass, fieldID, is_static); |
duke@435 | 1451 | // event posting can block so refetch oop if we were passed a jobj |
duke@435 | 1452 | if (jobj != NULL) return JNIHandles::resolve_non_null(jobj); |
duke@435 | 1453 | } |
duke@435 | 1454 | return obj; |
duke@435 | 1455 | } |
duke@435 | 1456 | |
duke@435 | 1457 | void JvmtiExport::post_field_access_by_jni(JavaThread *thread, oop obj, |
coleenp@4037 | 1458 | Klass* klass, jfieldID fieldID, bool is_static) { |
duke@435 | 1459 | // We must be called with a Java context in order to provide reasonable |
duke@435 | 1460 | // values for the klazz, method, and location fields. The callers of this |
duke@435 | 1461 | // function don't make the call unless there is a Java context. |
duke@435 | 1462 | assert(thread->has_last_Java_frame(), "must be called with a Java context"); |
duke@435 | 1463 | |
duke@435 | 1464 | ResourceMark rm; |
duke@435 | 1465 | fieldDescriptor fd; |
duke@435 | 1466 | // if get_field_descriptor finds fieldID to be invalid, then we just bail |
duke@435 | 1467 | bool valid_fieldID = JvmtiEnv::get_field_descriptor(klass, fieldID, &fd); |
duke@435 | 1468 | assert(valid_fieldID == true,"post_field_access_by_jni called with invalid fieldID"); |
duke@435 | 1469 | if (!valid_fieldID) return; |
duke@435 | 1470 | // field accesses are not watched so bail |
duke@435 | 1471 | if (!fd.is_field_access_watched()) return; |
duke@435 | 1472 | |
duke@435 | 1473 | HandleMark hm(thread); |
duke@435 | 1474 | KlassHandle h_klass(thread, klass); |
duke@435 | 1475 | Handle h_obj; |
duke@435 | 1476 | if (!is_static) { |
duke@435 | 1477 | // non-static field accessors have an object, but we need a handle |
duke@435 | 1478 | assert(obj != NULL, "non-static needs an object"); |
duke@435 | 1479 | h_obj = Handle(thread, obj); |
duke@435 | 1480 | } |
duke@435 | 1481 | post_field_access(thread, |
duke@435 | 1482 | thread->last_frame().interpreter_frame_method(), |
duke@435 | 1483 | thread->last_frame().interpreter_frame_bcp(), |
duke@435 | 1484 | h_klass, h_obj, fieldID); |
duke@435 | 1485 | } |
duke@435 | 1486 | |
coleenp@4037 | 1487 | void JvmtiExport::post_field_access(JavaThread *thread, Method* method, |
duke@435 | 1488 | address location, KlassHandle field_klass, Handle object, jfieldID field) { |
duke@435 | 1489 | |
duke@435 | 1490 | HandleMark hm(thread); |
duke@435 | 1491 | methodHandle mh(thread, method); |
duke@435 | 1492 | |
duke@435 | 1493 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 1494 | if (state == NULL) { |
duke@435 | 1495 | return; |
duke@435 | 1496 | } |
duke@435 | 1497 | EVT_TRIG_TRACE(JVMTI_EVENT_FIELD_ACCESS, ("JVMTI [%s] Trg Field Access event triggered", |
duke@435 | 1498 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1499 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 1500 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 1501 | if (ets->is_enabled(JVMTI_EVENT_FIELD_ACCESS)) { |
duke@435 | 1502 | EVT_TRACE(JVMTI_EVENT_FIELD_ACCESS, ("JVMTI [%s] Evt Field Access event sent %s.%s @ %d", |
duke@435 | 1503 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1504 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1505 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
duke@435 | 1506 | location - mh()->code_base() )); |
duke@435 | 1507 | |
duke@435 | 1508 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 1509 | JvmtiLocationEventMark jem(thread, mh, location); |
duke@435 | 1510 | jclass field_jclass = jem.to_jclass(field_klass()); |
duke@435 | 1511 | jobject field_jobject = jem.to_jobject(object()); |
duke@435 | 1512 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1513 | jvmtiEventFieldAccess callback = env->callbacks()->FieldAccess; |
duke@435 | 1514 | if (callback != NULL) { |
duke@435 | 1515 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 1516 | jem.jni_methodID(), jem.location(), |
duke@435 | 1517 | field_jclass, field_jobject, field); |
duke@435 | 1518 | } |
duke@435 | 1519 | } |
duke@435 | 1520 | } |
duke@435 | 1521 | } |
duke@435 | 1522 | |
duke@435 | 1523 | oop JvmtiExport::jni_SetField_probe(JavaThread *thread, jobject jobj, oop obj, |
coleenp@4037 | 1524 | Klass* klass, jfieldID fieldID, bool is_static, |
duke@435 | 1525 | char sig_type, jvalue *value) { |
duke@435 | 1526 | if (*((int *)get_field_modification_count_addr()) > 0 && thread->has_last_Java_frame()) { |
duke@435 | 1527 | // At least one field modification watch is set so we have more work |
duke@435 | 1528 | // to do. This wrapper is used by entry points that allow us |
duke@435 | 1529 | // to create handles in post_field_modification_by_jni(). |
duke@435 | 1530 | post_field_modification_by_jni(thread, obj, klass, fieldID, is_static, sig_type, value); |
duke@435 | 1531 | // event posting can block so refetch oop if we were passed a jobj |
duke@435 | 1532 | if (jobj != NULL) return JNIHandles::resolve_non_null(jobj); |
duke@435 | 1533 | } |
duke@435 | 1534 | return obj; |
duke@435 | 1535 | } |
duke@435 | 1536 | |
duke@435 | 1537 | oop JvmtiExport::jni_SetField_probe_nh(JavaThread *thread, jobject jobj, oop obj, |
coleenp@4037 | 1538 | Klass* klass, jfieldID fieldID, bool is_static, |
duke@435 | 1539 | char sig_type, jvalue *value) { |
duke@435 | 1540 | if (*((int *)get_field_modification_count_addr()) > 0 && thread->has_last_Java_frame()) { |
duke@435 | 1541 | // At least one field modification watch is set so we have more work |
duke@435 | 1542 | // to do. This wrapper is used by "quick" entry points that don't |
duke@435 | 1543 | // allow us to create handles in post_field_modification_by_jni(). We |
duke@435 | 1544 | // override that with a ResetNoHandleMark. |
duke@435 | 1545 | ResetNoHandleMark rnhm; |
duke@435 | 1546 | post_field_modification_by_jni(thread, obj, klass, fieldID, is_static, sig_type, value); |
duke@435 | 1547 | // event posting can block so refetch oop if we were passed a jobj |
duke@435 | 1548 | if (jobj != NULL) return JNIHandles::resolve_non_null(jobj); |
duke@435 | 1549 | } |
duke@435 | 1550 | return obj; |
duke@435 | 1551 | } |
duke@435 | 1552 | |
duke@435 | 1553 | void JvmtiExport::post_field_modification_by_jni(JavaThread *thread, oop obj, |
coleenp@4037 | 1554 | Klass* klass, jfieldID fieldID, bool is_static, |
duke@435 | 1555 | char sig_type, jvalue *value) { |
duke@435 | 1556 | // We must be called with a Java context in order to provide reasonable |
duke@435 | 1557 | // values for the klazz, method, and location fields. The callers of this |
duke@435 | 1558 | // function don't make the call unless there is a Java context. |
duke@435 | 1559 | assert(thread->has_last_Java_frame(), "must be called with Java context"); |
duke@435 | 1560 | |
duke@435 | 1561 | ResourceMark rm; |
duke@435 | 1562 | fieldDescriptor fd; |
duke@435 | 1563 | // if get_field_descriptor finds fieldID to be invalid, then we just bail |
duke@435 | 1564 | bool valid_fieldID = JvmtiEnv::get_field_descriptor(klass, fieldID, &fd); |
duke@435 | 1565 | assert(valid_fieldID == true,"post_field_modification_by_jni called with invalid fieldID"); |
duke@435 | 1566 | if (!valid_fieldID) return; |
duke@435 | 1567 | // field modifications are not watched so bail |
duke@435 | 1568 | if (!fd.is_field_modification_watched()) return; |
duke@435 | 1569 | |
duke@435 | 1570 | HandleMark hm(thread); |
duke@435 | 1571 | |
duke@435 | 1572 | Handle h_obj; |
duke@435 | 1573 | if (!is_static) { |
duke@435 | 1574 | // non-static field accessors have an object, but we need a handle |
duke@435 | 1575 | assert(obj != NULL, "non-static needs an object"); |
duke@435 | 1576 | h_obj = Handle(thread, obj); |
duke@435 | 1577 | } |
duke@435 | 1578 | KlassHandle h_klass(thread, klass); |
duke@435 | 1579 | post_field_modification(thread, |
duke@435 | 1580 | thread->last_frame().interpreter_frame_method(), |
duke@435 | 1581 | thread->last_frame().interpreter_frame_bcp(), |
duke@435 | 1582 | h_klass, h_obj, fieldID, sig_type, value); |
duke@435 | 1583 | } |
duke@435 | 1584 | |
coleenp@4037 | 1585 | void JvmtiExport::post_raw_field_modification(JavaThread *thread, Method* method, |
duke@435 | 1586 | address location, KlassHandle field_klass, Handle object, jfieldID field, |
duke@435 | 1587 | char sig_type, jvalue *value) { |
duke@435 | 1588 | |
duke@435 | 1589 | if (sig_type == 'I' || sig_type == 'Z' || sig_type == 'C' || sig_type == 'S') { |
duke@435 | 1590 | // 'I' instructions are used for byte, char, short and int. |
duke@435 | 1591 | // determine which it really is, and convert |
duke@435 | 1592 | fieldDescriptor fd; |
duke@435 | 1593 | bool found = JvmtiEnv::get_field_descriptor(field_klass(), field, &fd); |
duke@435 | 1594 | // should be found (if not, leave as is) |
duke@435 | 1595 | if (found) { |
duke@435 | 1596 | jint ival = value->i; |
duke@435 | 1597 | // convert value from int to appropriate type |
duke@435 | 1598 | switch (fd.field_type()) { |
duke@435 | 1599 | case T_BOOLEAN: |
duke@435 | 1600 | sig_type = 'Z'; |
duke@435 | 1601 | value->i = 0; // clear it |
duke@435 | 1602 | value->z = (jboolean)ival; |
duke@435 | 1603 | break; |
duke@435 | 1604 | case T_BYTE: |
duke@435 | 1605 | sig_type = 'B'; |
duke@435 | 1606 | value->i = 0; // clear it |
duke@435 | 1607 | value->b = (jbyte)ival; |
duke@435 | 1608 | break; |
duke@435 | 1609 | case T_CHAR: |
duke@435 | 1610 | sig_type = 'C'; |
duke@435 | 1611 | value->i = 0; // clear it |
duke@435 | 1612 | value->c = (jchar)ival; |
duke@435 | 1613 | break; |
duke@435 | 1614 | case T_SHORT: |
duke@435 | 1615 | sig_type = 'S'; |
duke@435 | 1616 | value->i = 0; // clear it |
duke@435 | 1617 | value->s = (jshort)ival; |
duke@435 | 1618 | break; |
duke@435 | 1619 | case T_INT: |
duke@435 | 1620 | // nothing to do |
duke@435 | 1621 | break; |
duke@435 | 1622 | default: |
duke@435 | 1623 | // this is an integer instruction, should be one of above |
duke@435 | 1624 | ShouldNotReachHere(); |
duke@435 | 1625 | break; |
duke@435 | 1626 | } |
duke@435 | 1627 | } |
duke@435 | 1628 | } |
duke@435 | 1629 | |
rbackman@5131 | 1630 | assert(sig_type != '[', "array should have sig_type == 'L'"); |
rbackman@5131 | 1631 | bool handle_created = false; |
rbackman@5131 | 1632 | |
duke@435 | 1633 | // convert oop to JNI handle. |
rbackman@5131 | 1634 | if (sig_type == 'L') { |
rbackman@5131 | 1635 | handle_created = true; |
duke@435 | 1636 | value->l = (jobject)JNIHandles::make_local(thread, (oop)value->l); |
duke@435 | 1637 | } |
duke@435 | 1638 | |
duke@435 | 1639 | post_field_modification(thread, method, location, field_klass, object, field, sig_type, value); |
duke@435 | 1640 | |
duke@435 | 1641 | // Destroy the JNI handle allocated above. |
rbackman@5131 | 1642 | if (handle_created) { |
duke@435 | 1643 | JNIHandles::destroy_local(value->l); |
duke@435 | 1644 | } |
duke@435 | 1645 | } |
duke@435 | 1646 | |
coleenp@4037 | 1647 | void JvmtiExport::post_field_modification(JavaThread *thread, Method* method, |
duke@435 | 1648 | address location, KlassHandle field_klass, Handle object, jfieldID field, |
duke@435 | 1649 | char sig_type, jvalue *value_ptr) { |
duke@435 | 1650 | |
duke@435 | 1651 | HandleMark hm(thread); |
duke@435 | 1652 | methodHandle mh(thread, method); |
duke@435 | 1653 | |
duke@435 | 1654 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 1655 | if (state == NULL) { |
duke@435 | 1656 | return; |
duke@435 | 1657 | } |
duke@435 | 1658 | EVT_TRIG_TRACE(JVMTI_EVENT_FIELD_MODIFICATION, |
duke@435 | 1659 | ("JVMTI [%s] Trg Field Modification event triggered", |
duke@435 | 1660 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1661 | |
duke@435 | 1662 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 1663 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 1664 | if (ets->is_enabled(JVMTI_EVENT_FIELD_MODIFICATION)) { |
duke@435 | 1665 | EVT_TRACE(JVMTI_EVENT_FIELD_MODIFICATION, |
duke@435 | 1666 | ("JVMTI [%s] Evt Field Modification event sent %s.%s @ %d", |
duke@435 | 1667 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1668 | (mh() == NULL) ? "NULL" : mh()->klass_name()->as_C_string(), |
duke@435 | 1669 | (mh() == NULL) ? "NULL" : mh()->name()->as_C_string(), |
duke@435 | 1670 | location - mh()->code_base() )); |
duke@435 | 1671 | |
duke@435 | 1672 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 1673 | JvmtiLocationEventMark jem(thread, mh, location); |
duke@435 | 1674 | jclass field_jclass = jem.to_jclass(field_klass()); |
duke@435 | 1675 | jobject field_jobject = jem.to_jobject(object()); |
duke@435 | 1676 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1677 | jvmtiEventFieldModification callback = env->callbacks()->FieldModification; |
duke@435 | 1678 | if (callback != NULL) { |
duke@435 | 1679 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 1680 | jem.jni_methodID(), jem.location(), |
duke@435 | 1681 | field_jclass, field_jobject, field, sig_type, *value_ptr); |
duke@435 | 1682 | } |
duke@435 | 1683 | } |
duke@435 | 1684 | } |
duke@435 | 1685 | } |
duke@435 | 1686 | |
coleenp@4037 | 1687 | void JvmtiExport::post_native_method_bind(Method* method, address* function_ptr) { |
duke@435 | 1688 | JavaThread* thread = JavaThread::current(); |
duke@435 | 1689 | assert(thread->thread_state() == _thread_in_vm, "must be in vm state"); |
duke@435 | 1690 | |
duke@435 | 1691 | HandleMark hm(thread); |
duke@435 | 1692 | methodHandle mh(thread, method); |
duke@435 | 1693 | |
duke@435 | 1694 | EVT_TRIG_TRACE(JVMTI_EVENT_NATIVE_METHOD_BIND, ("JVMTI [%s] Trg Native Method Bind event triggered", |
duke@435 | 1695 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1696 | |
duke@435 | 1697 | if (JvmtiEventController::is_enabled(JVMTI_EVENT_NATIVE_METHOD_BIND)) { |
duke@435 | 1698 | JvmtiEnvIterator it; |
duke@435 | 1699 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 1700 | if (env->is_enabled(JVMTI_EVENT_NATIVE_METHOD_BIND)) { |
duke@435 | 1701 | EVT_TRACE(JVMTI_EVENT_NATIVE_METHOD_BIND, ("JVMTI [%s] Evt Native Method Bind event sent", |
duke@435 | 1702 | JvmtiTrace::safe_get_thread_name(thread) )); |
duke@435 | 1703 | |
duke@435 | 1704 | JvmtiMethodEventMark jem(thread, mh); |
duke@435 | 1705 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1706 | JNIEnv* jni_env = JvmtiEnv::get_phase() == JVMTI_PHASE_PRIMORDIAL? NULL : jem.jni_env(); |
duke@435 | 1707 | jvmtiEventNativeMethodBind callback = env->callbacks()->NativeMethodBind; |
duke@435 | 1708 | if (callback != NULL) { |
duke@435 | 1709 | (*callback)(env->jvmti_external(), jni_env, jem.jni_thread(), |
duke@435 | 1710 | jem.jni_methodID(), (void*)(*function_ptr), (void**)function_ptr); |
duke@435 | 1711 | } |
duke@435 | 1712 | } |
duke@435 | 1713 | } |
duke@435 | 1714 | } |
duke@435 | 1715 | } |
duke@435 | 1716 | |
dcubed@1619 | 1717 | // Returns a record containing inlining information for the given nmethod |
dcubed@1619 | 1718 | jvmtiCompiledMethodLoadInlineRecord* create_inline_record(nmethod* nm) { |
dcubed@1619 | 1719 | jint numstackframes = 0; |
dcubed@1619 | 1720 | jvmtiCompiledMethodLoadInlineRecord* record = (jvmtiCompiledMethodLoadInlineRecord*)NEW_RESOURCE_OBJ(jvmtiCompiledMethodLoadInlineRecord); |
dcubed@1619 | 1721 | record->header.kind = JVMTI_CMLR_INLINE_INFO; |
dcubed@1619 | 1722 | record->header.next = NULL; |
dcubed@1619 | 1723 | record->header.majorinfoversion = JVMTI_CMLR_MAJOR_VERSION_1; |
dcubed@1619 | 1724 | record->header.minorinfoversion = JVMTI_CMLR_MINOR_VERSION_0; |
dcubed@1619 | 1725 | record->numpcs = 0; |
dcubed@1619 | 1726 | for(PcDesc* p = nm->scopes_pcs_begin(); p < nm->scopes_pcs_end(); p++) { |
dcubed@1619 | 1727 | if(p->scope_decode_offset() == DebugInformationRecorder::serialized_null) continue; |
dcubed@1619 | 1728 | record->numpcs++; |
dcubed@1619 | 1729 | } |
dcubed@1619 | 1730 | record->pcinfo = (PCStackInfo*)(NEW_RESOURCE_ARRAY(PCStackInfo, record->numpcs)); |
dcubed@1619 | 1731 | int scope = 0; |
dcubed@1619 | 1732 | for(PcDesc* p = nm->scopes_pcs_begin(); p < nm->scopes_pcs_end(); p++) { |
dcubed@1619 | 1733 | if(p->scope_decode_offset() == DebugInformationRecorder::serialized_null) continue; |
dcubed@1619 | 1734 | void* pc_address = (void*)p->real_pc(nm); |
dcubed@1619 | 1735 | assert(pc_address != NULL, "pc_address must be non-null"); |
dcubed@1619 | 1736 | record->pcinfo[scope].pc = pc_address; |
dcubed@1619 | 1737 | numstackframes=0; |
dcubed@1619 | 1738 | for(ScopeDesc* sd = nm->scope_desc_at(p->real_pc(nm));sd != NULL;sd = sd->sender()) { |
dcubed@1619 | 1739 | numstackframes++; |
dcubed@1619 | 1740 | } |
dcubed@1619 | 1741 | assert(numstackframes != 0, "numstackframes must be nonzero."); |
dcubed@1619 | 1742 | record->pcinfo[scope].methods = (jmethodID *)NEW_RESOURCE_ARRAY(jmethodID, numstackframes); |
dcubed@1619 | 1743 | record->pcinfo[scope].bcis = (jint *)NEW_RESOURCE_ARRAY(jint, numstackframes); |
dcubed@1619 | 1744 | record->pcinfo[scope].numstackframes = numstackframes; |
dcubed@1619 | 1745 | int stackframe = 0; |
dcubed@1619 | 1746 | for(ScopeDesc* sd = nm->scope_desc_at(p->real_pc(nm));sd != NULL;sd = sd->sender()) { |
dcubed@1619 | 1747 | // 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() |
coleenp@4037 | 1748 | assert(sd->method() != NULL, "sd->method() cannot be null."); |
dcubed@1619 | 1749 | record->pcinfo[scope].methods[stackframe] = sd->method()->jmethod_id(); |
dcubed@1619 | 1750 | record->pcinfo[scope].bcis[stackframe] = sd->bci(); |
dcubed@1619 | 1751 | stackframe++; |
dcubed@1619 | 1752 | } |
dcubed@1619 | 1753 | scope++; |
dcubed@1619 | 1754 | } |
dcubed@1619 | 1755 | return record; |
dcubed@1619 | 1756 | } |
duke@435 | 1757 | |
duke@435 | 1758 | void JvmtiExport::post_compiled_method_load(nmethod *nm) { |
duke@435 | 1759 | JavaThread* thread = JavaThread::current(); |
duke@435 | 1760 | |
duke@435 | 1761 | EVT_TRIG_TRACE(JVMTI_EVENT_COMPILED_METHOD_LOAD, |
duke@435 | 1762 | ("JVMTI [%s] method compile load event triggered", |
duke@435 | 1763 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1764 | |
duke@435 | 1765 | JvmtiEnvIterator it; |
duke@435 | 1766 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 1767 | if (env->is_enabled(JVMTI_EVENT_COMPILED_METHOD_LOAD)) { |
duke@435 | 1768 | |
duke@435 | 1769 | EVT_TRACE(JVMTI_EVENT_COMPILED_METHOD_LOAD, |
duke@435 | 1770 | ("JVMTI [%s] class compile method load event sent %s.%s ", |
duke@435 | 1771 | JvmtiTrace::safe_get_thread_name(thread), |
duke@435 | 1772 | (nm->method() == NULL) ? "NULL" : nm->method()->klass_name()->as_C_string(), |
duke@435 | 1773 | (nm->method() == NULL) ? "NULL" : nm->method()->name()->as_C_string())); |
duke@435 | 1774 | ResourceMark rm(thread); |
kamg@2511 | 1775 | HandleMark hm(thread); |
dcubed@1619 | 1776 | |
dcubed@1619 | 1777 | // Add inlining information |
dcubed@1619 | 1778 | jvmtiCompiledMethodLoadInlineRecord* inlinerecord = create_inline_record(nm); |
dcubed@1619 | 1779 | // Pass inlining information through the void pointer |
dcubed@1619 | 1780 | JvmtiCompiledMethodLoadEventMark jem(thread, nm, inlinerecord); |
duke@435 | 1781 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1782 | jvmtiEventCompiledMethodLoad callback = env->callbacks()->CompiledMethodLoad; |
duke@435 | 1783 | if (callback != NULL) { |
duke@435 | 1784 | (*callback)(env->jvmti_external(), jem.jni_methodID(), |
duke@435 | 1785 | jem.code_size(), jem.code_data(), jem.map_length(), |
duke@435 | 1786 | jem.map(), jem.compile_info()); |
duke@435 | 1787 | } |
duke@435 | 1788 | } |
duke@435 | 1789 | } |
duke@435 | 1790 | } |
duke@435 | 1791 | |
duke@435 | 1792 | |
duke@435 | 1793 | // post a COMPILED_METHOD_LOAD event for a given environment |
duke@435 | 1794 | void JvmtiExport::post_compiled_method_load(JvmtiEnv* env, const jmethodID method, const jint length, |
duke@435 | 1795 | const void *code_begin, const jint map_length, |
duke@435 | 1796 | const jvmtiAddrLocationMap* map) |
duke@435 | 1797 | { |
duke@435 | 1798 | JavaThread* thread = JavaThread::current(); |
duke@435 | 1799 | EVT_TRIG_TRACE(JVMTI_EVENT_COMPILED_METHOD_LOAD, |
duke@435 | 1800 | ("JVMTI [%s] method compile load event triggered (by GenerateEvents)", |
duke@435 | 1801 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1802 | if (env->is_enabled(JVMTI_EVENT_COMPILED_METHOD_LOAD)) { |
duke@435 | 1803 | |
duke@435 | 1804 | EVT_TRACE(JVMTI_EVENT_COMPILED_METHOD_LOAD, |
duke@435 | 1805 | ("JVMTI [%s] class compile method load event sent (by GenerateEvents), jmethodID=" PTR_FORMAT, |
duke@435 | 1806 | JvmtiTrace::safe_get_thread_name(thread), method)); |
duke@435 | 1807 | |
duke@435 | 1808 | JvmtiEventMark jem(thread); |
duke@435 | 1809 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1810 | jvmtiEventCompiledMethodLoad callback = env->callbacks()->CompiledMethodLoad; |
duke@435 | 1811 | if (callback != NULL) { |
duke@435 | 1812 | (*callback)(env->jvmti_external(), method, |
duke@435 | 1813 | length, code_begin, map_length, |
duke@435 | 1814 | map, NULL); |
duke@435 | 1815 | } |
duke@435 | 1816 | } |
duke@435 | 1817 | } |
duke@435 | 1818 | |
duke@435 | 1819 | void JvmtiExport::post_dynamic_code_generated_internal(const char *name, const void *code_begin, const void *code_end) { |
dcubed@2836 | 1820 | assert(name != NULL && name[0] != '\0', "sanity check"); |
dcubed@2836 | 1821 | |
duke@435 | 1822 | JavaThread* thread = JavaThread::current(); |
kamg@2583 | 1823 | // In theory everyone coming thru here is in_vm but we need to be certain |
kamg@2583 | 1824 | // because a callee will do a vm->native transition |
kamg@2583 | 1825 | ThreadInVMfromUnknown __tiv; |
kamg@2583 | 1826 | |
duke@435 | 1827 | EVT_TRIG_TRACE(JVMTI_EVENT_DYNAMIC_CODE_GENERATED, |
duke@435 | 1828 | ("JVMTI [%s] method dynamic code generated event triggered", |
duke@435 | 1829 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1830 | JvmtiEnvIterator it; |
duke@435 | 1831 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 1832 | if (env->is_enabled(JVMTI_EVENT_DYNAMIC_CODE_GENERATED)) { |
duke@435 | 1833 | EVT_TRACE(JVMTI_EVENT_DYNAMIC_CODE_GENERATED, |
duke@435 | 1834 | ("JVMTI [%s] dynamic code generated event sent for %s", |
duke@435 | 1835 | JvmtiTrace::safe_get_thread_name(thread), name)); |
duke@435 | 1836 | JvmtiEventMark jem(thread); |
duke@435 | 1837 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1838 | jint length = (jint)pointer_delta(code_end, code_begin, sizeof(char)); |
duke@435 | 1839 | jvmtiEventDynamicCodeGenerated callback = env->callbacks()->DynamicCodeGenerated; |
duke@435 | 1840 | if (callback != NULL) { |
duke@435 | 1841 | (*callback)(env->jvmti_external(), name, (void*)code_begin, length); |
duke@435 | 1842 | } |
duke@435 | 1843 | } |
duke@435 | 1844 | } |
duke@435 | 1845 | } |
duke@435 | 1846 | |
duke@435 | 1847 | void JvmtiExport::post_dynamic_code_generated(const char *name, const void *code_begin, const void *code_end) { |
duke@435 | 1848 | jvmtiPhase phase = JvmtiEnv::get_phase(); |
duke@435 | 1849 | if (phase == JVMTI_PHASE_PRIMORDIAL || phase == JVMTI_PHASE_START) { |
duke@435 | 1850 | post_dynamic_code_generated_internal(name, code_begin, code_end); |
kamg@2583 | 1851 | } else { |
kamg@2583 | 1852 | // It may not be safe to post the event from this thread. Defer all |
kamg@2583 | 1853 | // postings to the service thread so that it can perform them in a safe |
kamg@2583 | 1854 | // context and in-order. |
kamg@2583 | 1855 | MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); |
kamg@2583 | 1856 | JvmtiDeferredEvent event = JvmtiDeferredEvent::dynamic_code_generated_event( |
kamg@2583 | 1857 | name, code_begin, code_end); |
kamg@2583 | 1858 | JvmtiDeferredEventQueue::enqueue(event); |
duke@435 | 1859 | } |
duke@435 | 1860 | } |
duke@435 | 1861 | |
duke@435 | 1862 | |
duke@435 | 1863 | // post a DYNAMIC_CODE_GENERATED event for a given environment |
duke@435 | 1864 | // used by GenerateEvents |
duke@435 | 1865 | void JvmtiExport::post_dynamic_code_generated(JvmtiEnv* env, const char *name, |
duke@435 | 1866 | const void *code_begin, const void *code_end) |
duke@435 | 1867 | { |
duke@435 | 1868 | JavaThread* thread = JavaThread::current(); |
duke@435 | 1869 | EVT_TRIG_TRACE(JVMTI_EVENT_DYNAMIC_CODE_GENERATED, |
duke@435 | 1870 | ("JVMTI [%s] dynamic code generated event triggered (by GenerateEvents)", |
duke@435 | 1871 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1872 | if (env->is_enabled(JVMTI_EVENT_DYNAMIC_CODE_GENERATED)) { |
duke@435 | 1873 | EVT_TRACE(JVMTI_EVENT_DYNAMIC_CODE_GENERATED, |
duke@435 | 1874 | ("JVMTI [%s] dynamic code generated event sent for %s", |
duke@435 | 1875 | JvmtiTrace::safe_get_thread_name(thread), name)); |
duke@435 | 1876 | JvmtiEventMark jem(thread); |
duke@435 | 1877 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 1878 | jint length = (jint)pointer_delta(code_end, code_begin, sizeof(char)); |
duke@435 | 1879 | jvmtiEventDynamicCodeGenerated callback = env->callbacks()->DynamicCodeGenerated; |
duke@435 | 1880 | if (callback != NULL) { |
duke@435 | 1881 | (*callback)(env->jvmti_external(), name, (void*)code_begin, length); |
duke@435 | 1882 | } |
duke@435 | 1883 | } |
duke@435 | 1884 | } |
duke@435 | 1885 | |
duke@435 | 1886 | // post a DynamicCodeGenerated event while holding locks in the VM. |
duke@435 | 1887 | void JvmtiExport::post_dynamic_code_generated_while_holding_locks(const char* name, |
duke@435 | 1888 | address code_begin, address code_end) |
duke@435 | 1889 | { |
duke@435 | 1890 | // register the stub with the current dynamic code event collector |
duke@435 | 1891 | JvmtiThreadState* state = JvmtiThreadState::state_for(JavaThread::current()); |
dcubed@1044 | 1892 | // state can only be NULL if the current thread is exiting which |
dcubed@1044 | 1893 | // should not happen since we're trying to post an event |
dcubed@1044 | 1894 | guarantee(state != NULL, "attempt to register stub via an exiting thread"); |
duke@435 | 1895 | JvmtiDynamicCodeEventCollector* collector = state->get_dynamic_code_event_collector(); |
duke@435 | 1896 | guarantee(collector != NULL, "attempt to register stub without event collector"); |
duke@435 | 1897 | collector->register_stub(name, code_begin, code_end); |
duke@435 | 1898 | } |
duke@435 | 1899 | |
duke@435 | 1900 | // Collect all the vm internally allocated objects which are visible to java world |
duke@435 | 1901 | void JvmtiExport::record_vm_internal_object_allocation(oop obj) { |
duke@435 | 1902 | Thread* thread = ThreadLocalStorage::thread(); |
duke@435 | 1903 | if (thread != NULL && thread->is_Java_thread()) { |
duke@435 | 1904 | // Can not take safepoint here. |
duke@435 | 1905 | No_Safepoint_Verifier no_sfpt; |
duke@435 | 1906 | // Can not take safepoint here so can not use state_for to get |
duke@435 | 1907 | // jvmti thread state. |
duke@435 | 1908 | JvmtiThreadState *state = ((JavaThread*)thread)->jvmti_thread_state(); |
duke@435 | 1909 | if (state != NULL ) { |
duke@435 | 1910 | // state is non NULL when VMObjectAllocEventCollector is enabled. |
duke@435 | 1911 | JvmtiVMObjectAllocEventCollector *collector; |
duke@435 | 1912 | collector = state->get_vm_object_alloc_event_collector(); |
duke@435 | 1913 | if (collector != NULL && collector->is_enabled()) { |
duke@435 | 1914 | // Don't record classes as these will be notified via the ClassLoad |
duke@435 | 1915 | // event. |
never@1577 | 1916 | if (obj->klass() != SystemDictionary::Class_klass()) { |
duke@435 | 1917 | collector->record_allocation(obj); |
duke@435 | 1918 | } |
duke@435 | 1919 | } |
duke@435 | 1920 | } |
duke@435 | 1921 | } |
duke@435 | 1922 | } |
duke@435 | 1923 | |
duke@435 | 1924 | void JvmtiExport::post_garbage_collection_finish() { |
duke@435 | 1925 | Thread *thread = Thread::current(); // this event is posted from VM-Thread. |
duke@435 | 1926 | EVT_TRIG_TRACE(JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, |
duke@435 | 1927 | ("JVMTI [%s] garbage collection finish event triggered", |
duke@435 | 1928 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1929 | JvmtiEnvIterator it; |
duke@435 | 1930 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 1931 | if (env->is_enabled(JVMTI_EVENT_GARBAGE_COLLECTION_FINISH)) { |
duke@435 | 1932 | EVT_TRACE(JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, |
duke@435 | 1933 | ("JVMTI [%s] garbage collection finish event sent ", |
duke@435 | 1934 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1935 | JvmtiThreadEventTransition jet(thread); |
duke@435 | 1936 | // JNIEnv is NULL here because this event is posted from VM Thread |
duke@435 | 1937 | jvmtiEventGarbageCollectionFinish callback = env->callbacks()->GarbageCollectionFinish; |
duke@435 | 1938 | if (callback != NULL) { |
duke@435 | 1939 | (*callback)(env->jvmti_external()); |
duke@435 | 1940 | } |
duke@435 | 1941 | } |
duke@435 | 1942 | } |
duke@435 | 1943 | } |
duke@435 | 1944 | |
duke@435 | 1945 | void JvmtiExport::post_garbage_collection_start() { |
duke@435 | 1946 | Thread* thread = Thread::current(); // this event is posted from vm-thread. |
duke@435 | 1947 | EVT_TRIG_TRACE(JVMTI_EVENT_GARBAGE_COLLECTION_START, |
duke@435 | 1948 | ("JVMTI [%s] garbage collection start event triggered", |
duke@435 | 1949 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1950 | JvmtiEnvIterator it; |
duke@435 | 1951 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 1952 | if (env->is_enabled(JVMTI_EVENT_GARBAGE_COLLECTION_START)) { |
duke@435 | 1953 | EVT_TRACE(JVMTI_EVENT_GARBAGE_COLLECTION_START, |
duke@435 | 1954 | ("JVMTI [%s] garbage collection start event sent ", |
duke@435 | 1955 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1956 | JvmtiThreadEventTransition jet(thread); |
duke@435 | 1957 | // JNIEnv is NULL here because this event is posted from VM Thread |
duke@435 | 1958 | jvmtiEventGarbageCollectionStart callback = env->callbacks()->GarbageCollectionStart; |
duke@435 | 1959 | if (callback != NULL) { |
duke@435 | 1960 | (*callback)(env->jvmti_external()); |
duke@435 | 1961 | } |
duke@435 | 1962 | } |
duke@435 | 1963 | } |
duke@435 | 1964 | } |
duke@435 | 1965 | |
duke@435 | 1966 | void JvmtiExport::post_data_dump() { |
duke@435 | 1967 | Thread *thread = Thread::current(); |
duke@435 | 1968 | EVT_TRIG_TRACE(JVMTI_EVENT_DATA_DUMP_REQUEST, |
duke@435 | 1969 | ("JVMTI [%s] data dump request event triggered", |
duke@435 | 1970 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1971 | JvmtiEnvIterator it; |
duke@435 | 1972 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 1973 | if (env->is_enabled(JVMTI_EVENT_DATA_DUMP_REQUEST)) { |
duke@435 | 1974 | EVT_TRACE(JVMTI_EVENT_DATA_DUMP_REQUEST, |
duke@435 | 1975 | ("JVMTI [%s] data dump request event sent ", |
duke@435 | 1976 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 1977 | JvmtiThreadEventTransition jet(thread); |
duke@435 | 1978 | // JNIEnv is NULL here because this event is posted from VM Thread |
duke@435 | 1979 | jvmtiEventDataDumpRequest callback = env->callbacks()->DataDumpRequest; |
duke@435 | 1980 | if (callback != NULL) { |
duke@435 | 1981 | (*callback)(env->jvmti_external()); |
duke@435 | 1982 | } |
duke@435 | 1983 | } |
duke@435 | 1984 | } |
duke@435 | 1985 | } |
duke@435 | 1986 | |
duke@435 | 1987 | void JvmtiExport::post_monitor_contended_enter(JavaThread *thread, ObjectMonitor *obj_mntr) { |
duke@435 | 1988 | oop object = (oop)obj_mntr->object(); |
duke@435 | 1989 | if (!ServiceUtil::visible_oop(object)) { |
duke@435 | 1990 | // Ignore monitor contended enter for vm internal object. |
duke@435 | 1991 | return; |
duke@435 | 1992 | } |
duke@435 | 1993 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 1994 | if (state == NULL) { |
duke@435 | 1995 | return; |
duke@435 | 1996 | } |
duke@435 | 1997 | |
duke@435 | 1998 | HandleMark hm(thread); |
duke@435 | 1999 | Handle h(thread, object); |
duke@435 | 2000 | |
duke@435 | 2001 | EVT_TRIG_TRACE(JVMTI_EVENT_MONITOR_CONTENDED_ENTER, |
duke@435 | 2002 | ("JVMTI [%s] montior contended enter event triggered", |
duke@435 | 2003 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 2004 | |
duke@435 | 2005 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 2006 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 2007 | if (ets->is_enabled(JVMTI_EVENT_MONITOR_CONTENDED_ENTER)) { |
duke@435 | 2008 | EVT_TRACE(JVMTI_EVENT_MONITOR_CONTENDED_ENTER, |
duke@435 | 2009 | ("JVMTI [%s] monitor contended enter event sent", |
duke@435 | 2010 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 2011 | JvmtiMonitorEventMark jem(thread, h()); |
duke@435 | 2012 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 2013 | JvmtiThreadEventTransition jet(thread); |
duke@435 | 2014 | jvmtiEventMonitorContendedEnter callback = env->callbacks()->MonitorContendedEnter; |
duke@435 | 2015 | if (callback != NULL) { |
duke@435 | 2016 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_object()); |
duke@435 | 2017 | } |
duke@435 | 2018 | } |
duke@435 | 2019 | } |
duke@435 | 2020 | } |
duke@435 | 2021 | |
duke@435 | 2022 | void JvmtiExport::post_monitor_contended_entered(JavaThread *thread, ObjectMonitor *obj_mntr) { |
duke@435 | 2023 | oop object = (oop)obj_mntr->object(); |
duke@435 | 2024 | if (!ServiceUtil::visible_oop(object)) { |
duke@435 | 2025 | // Ignore monitor contended entered for vm internal object. |
duke@435 | 2026 | return; |
duke@435 | 2027 | } |
duke@435 | 2028 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 2029 | if (state == NULL) { |
duke@435 | 2030 | return; |
duke@435 | 2031 | } |
duke@435 | 2032 | |
duke@435 | 2033 | HandleMark hm(thread); |
duke@435 | 2034 | Handle h(thread, object); |
duke@435 | 2035 | |
duke@435 | 2036 | EVT_TRIG_TRACE(JVMTI_EVENT_MONITOR_CONTENDED_ENTERED, |
duke@435 | 2037 | ("JVMTI [%s] montior contended entered event triggered", |
duke@435 | 2038 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 2039 | |
duke@435 | 2040 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 2041 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 2042 | if (ets->is_enabled(JVMTI_EVENT_MONITOR_CONTENDED_ENTERED)) { |
duke@435 | 2043 | EVT_TRACE(JVMTI_EVENT_MONITOR_CONTENDED_ENTERED, |
duke@435 | 2044 | ("JVMTI [%s] monitor contended enter event sent", |
duke@435 | 2045 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 2046 | JvmtiMonitorEventMark jem(thread, h()); |
duke@435 | 2047 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 2048 | JvmtiThreadEventTransition jet(thread); |
duke@435 | 2049 | jvmtiEventMonitorContendedEntered callback = env->callbacks()->MonitorContendedEntered; |
duke@435 | 2050 | if (callback != NULL) { |
duke@435 | 2051 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), jem.jni_object()); |
duke@435 | 2052 | } |
duke@435 | 2053 | } |
duke@435 | 2054 | } |
duke@435 | 2055 | } |
duke@435 | 2056 | |
duke@435 | 2057 | void JvmtiExport::post_monitor_wait(JavaThread *thread, oop object, |
duke@435 | 2058 | jlong timeout) { |
duke@435 | 2059 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 2060 | if (state == NULL) { |
duke@435 | 2061 | return; |
duke@435 | 2062 | } |
duke@435 | 2063 | |
duke@435 | 2064 | HandleMark hm(thread); |
duke@435 | 2065 | Handle h(thread, object); |
duke@435 | 2066 | |
duke@435 | 2067 | EVT_TRIG_TRACE(JVMTI_EVENT_MONITOR_WAIT, |
duke@435 | 2068 | ("JVMTI [%s] montior wait event triggered", |
duke@435 | 2069 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 2070 | |
duke@435 | 2071 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 2072 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 2073 | if (ets->is_enabled(JVMTI_EVENT_MONITOR_WAIT)) { |
duke@435 | 2074 | EVT_TRACE(JVMTI_EVENT_MONITOR_WAIT, |
duke@435 | 2075 | ("JVMTI [%s] monitor wait event sent ", |
duke@435 | 2076 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 2077 | JvmtiMonitorEventMark jem(thread, h()); |
duke@435 | 2078 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 2079 | JvmtiThreadEventTransition jet(thread); |
duke@435 | 2080 | jvmtiEventMonitorWait callback = env->callbacks()->MonitorWait; |
duke@435 | 2081 | if (callback != NULL) { |
duke@435 | 2082 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 2083 | jem.jni_object(), timeout); |
duke@435 | 2084 | } |
duke@435 | 2085 | } |
duke@435 | 2086 | } |
duke@435 | 2087 | } |
duke@435 | 2088 | |
duke@435 | 2089 | void JvmtiExport::post_monitor_waited(JavaThread *thread, ObjectMonitor *obj_mntr, jboolean timed_out) { |
duke@435 | 2090 | oop object = (oop)obj_mntr->object(); |
duke@435 | 2091 | if (!ServiceUtil::visible_oop(object)) { |
duke@435 | 2092 | // Ignore monitor waited for vm internal object. |
duke@435 | 2093 | return; |
duke@435 | 2094 | } |
duke@435 | 2095 | JvmtiThreadState *state = thread->jvmti_thread_state(); |
duke@435 | 2096 | if (state == NULL) { |
duke@435 | 2097 | return; |
duke@435 | 2098 | } |
duke@435 | 2099 | |
duke@435 | 2100 | HandleMark hm(thread); |
duke@435 | 2101 | Handle h(thread, object); |
duke@435 | 2102 | |
duke@435 | 2103 | EVT_TRIG_TRACE(JVMTI_EVENT_MONITOR_WAITED, |
duke@435 | 2104 | ("JVMTI [%s] montior waited event triggered", |
duke@435 | 2105 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 2106 | |
duke@435 | 2107 | JvmtiEnvThreadStateIterator it(state); |
duke@435 | 2108 | for (JvmtiEnvThreadState* ets = it.first(); ets != NULL; ets = it.next(ets)) { |
duke@435 | 2109 | if (ets->is_enabled(JVMTI_EVENT_MONITOR_WAITED)) { |
duke@435 | 2110 | EVT_TRACE(JVMTI_EVENT_MONITOR_WAITED, |
duke@435 | 2111 | ("JVMTI [%s] monitor waited event sent ", |
duke@435 | 2112 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 2113 | JvmtiMonitorEventMark jem(thread, h()); |
duke@435 | 2114 | JvmtiEnv *env = ets->get_env(); |
duke@435 | 2115 | JvmtiThreadEventTransition jet(thread); |
duke@435 | 2116 | jvmtiEventMonitorWaited callback = env->callbacks()->MonitorWaited; |
duke@435 | 2117 | if (callback != NULL) { |
duke@435 | 2118 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 2119 | jem.jni_object(), timed_out); |
duke@435 | 2120 | } |
duke@435 | 2121 | } |
duke@435 | 2122 | } |
duke@435 | 2123 | } |
duke@435 | 2124 | |
duke@435 | 2125 | |
duke@435 | 2126 | void JvmtiExport::post_vm_object_alloc(JavaThread *thread, oop object) { |
duke@435 | 2127 | EVT_TRIG_TRACE(JVMTI_EVENT_VM_OBJECT_ALLOC, ("JVMTI [%s] Trg vm object alloc triggered", |
duke@435 | 2128 | JvmtiTrace::safe_get_thread_name(thread))); |
duke@435 | 2129 | if (object == NULL) { |
duke@435 | 2130 | return; |
duke@435 | 2131 | } |
duke@435 | 2132 | HandleMark hm(thread); |
duke@435 | 2133 | Handle h(thread, object); |
duke@435 | 2134 | JvmtiEnvIterator it; |
duke@435 | 2135 | for (JvmtiEnv* env = it.first(); env != NULL; env = it.next(env)) { |
duke@435 | 2136 | if (env->is_enabled(JVMTI_EVENT_VM_OBJECT_ALLOC)) { |
duke@435 | 2137 | EVT_TRACE(JVMTI_EVENT_VM_OBJECT_ALLOC, ("JVMTI [%s] Evt vmobject alloc sent %s", |
duke@435 | 2138 | JvmtiTrace::safe_get_thread_name(thread), |
hseigel@4278 | 2139 | object==NULL? "NULL" : java_lang_Class::as_Klass(object)->external_name())); |
duke@435 | 2140 | |
duke@435 | 2141 | JvmtiVMObjectAllocEventMark jem(thread, h()); |
duke@435 | 2142 | JvmtiJavaThreadEventTransition jet(thread); |
duke@435 | 2143 | jvmtiEventVMObjectAlloc callback = env->callbacks()->VMObjectAlloc; |
duke@435 | 2144 | if (callback != NULL) { |
duke@435 | 2145 | (*callback)(env->jvmti_external(), jem.jni_env(), jem.jni_thread(), |
duke@435 | 2146 | jem.jni_jobject(), jem.jni_class(), jem.size()); |
duke@435 | 2147 | } |
duke@435 | 2148 | } |
duke@435 | 2149 | } |
duke@435 | 2150 | } |
duke@435 | 2151 | |
duke@435 | 2152 | //////////////////////////////////////////////////////////////////////////////////////////////// |
duke@435 | 2153 | |
duke@435 | 2154 | void JvmtiExport::cleanup_thread(JavaThread* thread) { |
duke@435 | 2155 | assert(JavaThread::current() == thread, "thread is not current"); |
kamg@2446 | 2156 | MutexLocker mu(JvmtiThreadState_lock); |
duke@435 | 2157 | |
kamg@2446 | 2158 | if (thread->jvmti_thread_state() != NULL) { |
kamg@2446 | 2159 | // This has to happen after the thread state is removed, which is |
kamg@2446 | 2160 | // why it is not in post_thread_end_event like its complement |
kamg@2446 | 2161 | // Maybe both these functions should be rolled into the posts? |
kamg@2446 | 2162 | JvmtiEventController::thread_ended(thread); |
kamg@2446 | 2163 | } |
duke@435 | 2164 | } |
duke@435 | 2165 | |
duke@435 | 2166 | void JvmtiExport::oops_do(OopClosure* f) { |
duke@435 | 2167 | JvmtiCurrentBreakpoints::oops_do(f); |
duke@435 | 2168 | JvmtiVMObjectAllocEventCollector::oops_do_for_all_threads(f); |
duke@435 | 2169 | } |
duke@435 | 2170 | |
kamg@2467 | 2171 | void JvmtiExport::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* f) { |
kamg@2467 | 2172 | JvmtiTagMap::weak_oops_do(is_alive, f); |
kamg@2467 | 2173 | } |
kamg@2467 | 2174 | |
kamg@2467 | 2175 | void JvmtiExport::gc_epilogue() { |
kamg@2467 | 2176 | JvmtiCurrentBreakpoints::gc_epilogue(); |
kamg@2467 | 2177 | } |
kamg@2467 | 2178 | |
duke@435 | 2179 | // Onload raw monitor transition. |
duke@435 | 2180 | void JvmtiExport::transition_pending_onload_raw_monitors() { |
duke@435 | 2181 | JvmtiPendingMonitors::transition_raw_monitors(); |
duke@435 | 2182 | } |
duke@435 | 2183 | |
duke@435 | 2184 | //////////////////////////////////////////////////////////////////////////////////////////////// |
duke@435 | 2185 | |
duke@435 | 2186 | // type for the Agent_OnAttach entry point |
duke@435 | 2187 | extern "C" { |
duke@435 | 2188 | typedef jint (JNICALL *OnAttachEntry_t)(JavaVM*, char *, void *); |
duke@435 | 2189 | } |
duke@435 | 2190 | |
duke@435 | 2191 | jint JvmtiExport::load_agent_library(AttachOperation* op, outputStream* st) { |
duke@435 | 2192 | char ebuf[1024]; |
duke@435 | 2193 | char buffer[JVM_MAXPATHLEN]; |
bpittore@4261 | 2194 | void* library = NULL; |
duke@435 | 2195 | jint result = JNI_ERR; |
bpittore@5585 | 2196 | const char *on_attach_symbols[] = AGENT_ONATTACH_SYMBOLS; |
bpittore@5585 | 2197 | size_t num_symbol_entries = ARRAY_SIZE(on_attach_symbols); |
duke@435 | 2198 | |
duke@435 | 2199 | // get agent name and options |
duke@435 | 2200 | const char* agent = op->arg(0); |
duke@435 | 2201 | const char* absParam = op->arg(1); |
duke@435 | 2202 | const char* options = op->arg(2); |
duke@435 | 2203 | |
duke@435 | 2204 | // The abs paramter should be "true" or "false" |
duke@435 | 2205 | bool is_absolute_path = (absParam != NULL) && (strcmp(absParam,"true")==0); |
duke@435 | 2206 | |
bpittore@5585 | 2207 | // Initially marked as invalid. It will be set to valid if we can find the agent |
bpittore@5585 | 2208 | AgentLibrary *agent_lib = new AgentLibrary(agent, options, is_absolute_path, NULL); |
duke@435 | 2209 | |
bpittore@5585 | 2210 | // Check for statically linked in agent. If not found then if the path is |
bpittore@5585 | 2211 | // absolute we attempt to load the library. Otherwise we try to load it |
bpittore@5585 | 2212 | // from the standard dll directory. |
duke@435 | 2213 | |
bpittore@5585 | 2214 | if (!os::find_builtin_agent(agent_lib, on_attach_symbols, num_symbol_entries)) { |
bpittore@5585 | 2215 | if (is_absolute_path) { |
bpittore@5585 | 2216 | library = os::dll_load(agent, ebuf, sizeof ebuf); |
bpittore@5585 | 2217 | } else { |
bpittore@5585 | 2218 | // Try to load the agent from the standard dll directory |
bpittore@5585 | 2219 | if (os::dll_build_name(buffer, sizeof(buffer), Arguments::get_dll_dir(), |
bpittore@5585 | 2220 | agent)) { |
bpittore@4261 | 2221 | library = os::dll_load(buffer, ebuf, sizeof ebuf); |
bpittore@4261 | 2222 | } |
bpittore@5585 | 2223 | if (library == NULL) { |
bpittore@5585 | 2224 | // not found - try local path |
bpittore@5585 | 2225 | char ns[1] = {0}; |
bpittore@5585 | 2226 | if (os::dll_build_name(buffer, sizeof(buffer), ns, agent)) { |
bpittore@5585 | 2227 | library = os::dll_load(buffer, ebuf, sizeof ebuf); |
bpittore@5585 | 2228 | } |
bpittore@5585 | 2229 | } |
bpittore@5585 | 2230 | } |
bpittore@5585 | 2231 | if (library != NULL) { |
bpittore@5585 | 2232 | agent_lib->set_os_lib(library); |
bpittore@5585 | 2233 | agent_lib->set_valid(); |
duke@435 | 2234 | } |
duke@435 | 2235 | } |
duke@435 | 2236 | // If the library was loaded then we attempt to invoke the Agent_OnAttach |
duke@435 | 2237 | // function |
bpittore@5585 | 2238 | if (agent_lib->valid()) { |
duke@435 | 2239 | // Lookup the Agent_OnAttach function |
duke@435 | 2240 | OnAttachEntry_t on_attach_entry = NULL; |
bpittore@5585 | 2241 | on_attach_entry = CAST_TO_FN_PTR(OnAttachEntry_t, |
bpittore@5585 | 2242 | os::find_agent_function(agent_lib, false, on_attach_symbols, num_symbol_entries)); |
duke@435 | 2243 | if (on_attach_entry == NULL) { |
duke@435 | 2244 | // Agent_OnAttach missing - unload library |
bpittore@5585 | 2245 | if (!agent_lib->is_static_lib()) { |
bpittore@5585 | 2246 | os::dll_unload(library); |
bpittore@5585 | 2247 | } |
bpittore@5585 | 2248 | delete agent_lib; |
duke@435 | 2249 | } else { |
duke@435 | 2250 | // Invoke the Agent_OnAttach function |
duke@435 | 2251 | JavaThread* THREAD = JavaThread::current(); |
duke@435 | 2252 | { |
duke@435 | 2253 | extern struct JavaVM_ main_vm; |
duke@435 | 2254 | JvmtiThreadEventMark jem(THREAD); |
duke@435 | 2255 | JvmtiJavaThreadEventTransition jet(THREAD); |
duke@435 | 2256 | |
duke@435 | 2257 | result = (*on_attach_entry)(&main_vm, (char*)options, NULL); |
duke@435 | 2258 | } |
duke@435 | 2259 | |
duke@435 | 2260 | // Agent_OnAttach may have used JNI |
duke@435 | 2261 | if (HAS_PENDING_EXCEPTION) { |
duke@435 | 2262 | CLEAR_PENDING_EXCEPTION; |
duke@435 | 2263 | } |
duke@435 | 2264 | |
duke@435 | 2265 | // If OnAttach returns JNI_OK then we add it to the list of |
duke@435 | 2266 | // agent libraries so that we can call Agent_OnUnload later. |
duke@435 | 2267 | if (result == JNI_OK) { |
bpittore@5585 | 2268 | Arguments::add_loaded_agent(agent_lib); |
bpittore@5585 | 2269 | } else { |
bpittore@5585 | 2270 | delete agent_lib; |
duke@435 | 2271 | } |
duke@435 | 2272 | |
duke@435 | 2273 | // Agent_OnAttach executed so completion status is JNI_OK |
duke@435 | 2274 | st->print_cr("%d", result); |
duke@435 | 2275 | result = JNI_OK; |
duke@435 | 2276 | } |
duke@435 | 2277 | } |
duke@435 | 2278 | return result; |
duke@435 | 2279 | } |
duke@435 | 2280 | |
duke@435 | 2281 | //////////////////////////////////////////////////////////////////////////////////////////////// |
duke@435 | 2282 | |
duke@435 | 2283 | // Setup current current thread for event collection. |
duke@435 | 2284 | void JvmtiEventCollector::setup_jvmti_thread_state() { |
duke@435 | 2285 | // set this event collector to be the current one. |
duke@435 | 2286 | JvmtiThreadState* state = JvmtiThreadState::state_for(JavaThread::current()); |
dcubed@1044 | 2287 | // state can only be NULL if the current thread is exiting which |
dcubed@1044 | 2288 | // should not happen since we're trying to configure for event collection |
dcubed@1044 | 2289 | guarantee(state != NULL, "exiting thread called setup_jvmti_thread_state"); |
duke@435 | 2290 | if (is_vm_object_alloc_event()) { |
duke@435 | 2291 | _prev = state->get_vm_object_alloc_event_collector(); |
duke@435 | 2292 | state->set_vm_object_alloc_event_collector((JvmtiVMObjectAllocEventCollector *)this); |
duke@435 | 2293 | } else if (is_dynamic_code_event()) { |
duke@435 | 2294 | _prev = state->get_dynamic_code_event_collector(); |
duke@435 | 2295 | state->set_dynamic_code_event_collector((JvmtiDynamicCodeEventCollector *)this); |
duke@435 | 2296 | } |
duke@435 | 2297 | } |
duke@435 | 2298 | |
duke@435 | 2299 | // Unset current event collection in this thread and reset it with previous |
duke@435 | 2300 | // collector. |
duke@435 | 2301 | void JvmtiEventCollector::unset_jvmti_thread_state() { |
duke@435 | 2302 | JvmtiThreadState* state = JavaThread::current()->jvmti_thread_state(); |
duke@435 | 2303 | if (state != NULL) { |
duke@435 | 2304 | // restore the previous event collector (if any) |
duke@435 | 2305 | if (is_vm_object_alloc_event()) { |
duke@435 | 2306 | if (state->get_vm_object_alloc_event_collector() == this) { |
duke@435 | 2307 | state->set_vm_object_alloc_event_collector((JvmtiVMObjectAllocEventCollector *)_prev); |
duke@435 | 2308 | } else { |
duke@435 | 2309 | // this thread's jvmti state was created during the scope of |
duke@435 | 2310 | // the event collector. |
duke@435 | 2311 | } |
duke@435 | 2312 | } else { |
duke@435 | 2313 | if (is_dynamic_code_event()) { |
duke@435 | 2314 | if (state->get_dynamic_code_event_collector() == this) { |
duke@435 | 2315 | state->set_dynamic_code_event_collector((JvmtiDynamicCodeEventCollector *)_prev); |
duke@435 | 2316 | } else { |
duke@435 | 2317 | // this thread's jvmti state was created during the scope of |
duke@435 | 2318 | // the event collector. |
duke@435 | 2319 | } |
duke@435 | 2320 | } |
duke@435 | 2321 | } |
duke@435 | 2322 | } |
duke@435 | 2323 | } |
duke@435 | 2324 | |
duke@435 | 2325 | // create the dynamic code event collector |
duke@435 | 2326 | JvmtiDynamicCodeEventCollector::JvmtiDynamicCodeEventCollector() : _code_blobs(NULL) { |
duke@435 | 2327 | if (JvmtiExport::should_post_dynamic_code_generated()) { |
duke@435 | 2328 | setup_jvmti_thread_state(); |
duke@435 | 2329 | } |
duke@435 | 2330 | } |
duke@435 | 2331 | |
duke@435 | 2332 | // iterate over any code blob descriptors collected and post a |
duke@435 | 2333 | // DYNAMIC_CODE_GENERATED event to the profiler. |
duke@435 | 2334 | JvmtiDynamicCodeEventCollector::~JvmtiDynamicCodeEventCollector() { |
duke@435 | 2335 | assert(!JavaThread::current()->owns_locks(), "all locks must be released to post deferred events"); |
duke@435 | 2336 | // iterate over any code blob descriptors that we collected |
duke@435 | 2337 | if (_code_blobs != NULL) { |
duke@435 | 2338 | for (int i=0; i<_code_blobs->length(); i++) { |
duke@435 | 2339 | JvmtiCodeBlobDesc* blob = _code_blobs->at(i); |
duke@435 | 2340 | JvmtiExport::post_dynamic_code_generated(blob->name(), blob->code_begin(), blob->code_end()); |
duke@435 | 2341 | FreeHeap(blob); |
duke@435 | 2342 | } |
duke@435 | 2343 | delete _code_blobs; |
duke@435 | 2344 | } |
duke@435 | 2345 | unset_jvmti_thread_state(); |
duke@435 | 2346 | } |
duke@435 | 2347 | |
duke@435 | 2348 | // register a stub |
duke@435 | 2349 | void JvmtiDynamicCodeEventCollector::register_stub(const char* name, address start, address end) { |
duke@435 | 2350 | if (_code_blobs == NULL) { |
zgu@3900 | 2351 | _code_blobs = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<JvmtiCodeBlobDesc*>(1,true); |
duke@435 | 2352 | } |
duke@435 | 2353 | _code_blobs->append(new JvmtiCodeBlobDesc(name, start, end)); |
duke@435 | 2354 | } |
duke@435 | 2355 | |
duke@435 | 2356 | // Setup current thread to record vm allocated objects. |
duke@435 | 2357 | JvmtiVMObjectAllocEventCollector::JvmtiVMObjectAllocEventCollector() : _allocated(NULL) { |
duke@435 | 2358 | if (JvmtiExport::should_post_vm_object_alloc()) { |
duke@435 | 2359 | _enable = true; |
duke@435 | 2360 | setup_jvmti_thread_state(); |
duke@435 | 2361 | } else { |
duke@435 | 2362 | _enable = false; |
duke@435 | 2363 | } |
duke@435 | 2364 | } |
duke@435 | 2365 | |
duke@435 | 2366 | // Post vm_object_alloc event for vm allocated objects visible to java |
duke@435 | 2367 | // world. |
duke@435 | 2368 | JvmtiVMObjectAllocEventCollector::~JvmtiVMObjectAllocEventCollector() { |
duke@435 | 2369 | if (_allocated != NULL) { |
duke@435 | 2370 | set_enabled(false); |
duke@435 | 2371 | for (int i = 0; i < _allocated->length(); i++) { |
duke@435 | 2372 | oop obj = _allocated->at(i); |
duke@435 | 2373 | if (ServiceUtil::visible_oop(obj)) { |
duke@435 | 2374 | JvmtiExport::post_vm_object_alloc(JavaThread::current(), obj); |
duke@435 | 2375 | } |
duke@435 | 2376 | } |
duke@435 | 2377 | delete _allocated; |
duke@435 | 2378 | } |
duke@435 | 2379 | unset_jvmti_thread_state(); |
duke@435 | 2380 | } |
duke@435 | 2381 | |
duke@435 | 2382 | void JvmtiVMObjectAllocEventCollector::record_allocation(oop obj) { |
duke@435 | 2383 | assert(is_enabled(), "VM object alloc event collector is not enabled"); |
duke@435 | 2384 | if (_allocated == NULL) { |
zgu@3900 | 2385 | _allocated = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<oop>(1, true); |
duke@435 | 2386 | } |
duke@435 | 2387 | _allocated->push(obj); |
duke@435 | 2388 | } |
duke@435 | 2389 | |
duke@435 | 2390 | // GC support. |
duke@435 | 2391 | void JvmtiVMObjectAllocEventCollector::oops_do(OopClosure* f) { |
duke@435 | 2392 | if (_allocated != NULL) { |
duke@435 | 2393 | for(int i=_allocated->length() - 1; i >= 0; i--) { |
duke@435 | 2394 | if (_allocated->at(i) != NULL) { |
duke@435 | 2395 | f->do_oop(_allocated->adr_at(i)); |
duke@435 | 2396 | } |
duke@435 | 2397 | } |
duke@435 | 2398 | } |
duke@435 | 2399 | } |
duke@435 | 2400 | |
duke@435 | 2401 | void JvmtiVMObjectAllocEventCollector::oops_do_for_all_threads(OopClosure* f) { |
duke@435 | 2402 | // no-op if jvmti not enabled |
duke@435 | 2403 | if (!JvmtiEnv::environments_might_exist()) { |
duke@435 | 2404 | return; |
duke@435 | 2405 | } |
duke@435 | 2406 | |
duke@435 | 2407 | // Runs at safepoint. So no need to acquire Threads_lock. |
duke@435 | 2408 | for (JavaThread *jthr = Threads::first(); jthr != NULL; jthr = jthr->next()) { |
duke@435 | 2409 | JvmtiThreadState *state = jthr->jvmti_thread_state(); |
duke@435 | 2410 | if (state != NULL) { |
duke@435 | 2411 | JvmtiVMObjectAllocEventCollector *collector; |
duke@435 | 2412 | collector = state->get_vm_object_alloc_event_collector(); |
duke@435 | 2413 | while (collector != NULL) { |
duke@435 | 2414 | collector->oops_do(f); |
duke@435 | 2415 | collector = (JvmtiVMObjectAllocEventCollector *)collector->get_prev(); |
duke@435 | 2416 | } |
duke@435 | 2417 | } |
duke@435 | 2418 | } |
duke@435 | 2419 | } |
duke@435 | 2420 | |
duke@435 | 2421 | |
duke@435 | 2422 | // Disable collection of VMObjectAlloc events |
duke@435 | 2423 | NoJvmtiVMObjectAllocMark::NoJvmtiVMObjectAllocMark() : _collector(NULL) { |
duke@435 | 2424 | // a no-op if VMObjectAlloc event is not enabled |
duke@435 | 2425 | if (!JvmtiExport::should_post_vm_object_alloc()) { |
duke@435 | 2426 | return; |
duke@435 | 2427 | } |
duke@435 | 2428 | Thread* thread = ThreadLocalStorage::thread(); |
duke@435 | 2429 | if (thread != NULL && thread->is_Java_thread()) { |
duke@435 | 2430 | JavaThread* current_thread = (JavaThread*)thread; |
duke@435 | 2431 | JvmtiThreadState *state = current_thread->jvmti_thread_state(); |
duke@435 | 2432 | if (state != NULL) { |
duke@435 | 2433 | JvmtiVMObjectAllocEventCollector *collector; |
duke@435 | 2434 | collector = state->get_vm_object_alloc_event_collector(); |
duke@435 | 2435 | if (collector != NULL && collector->is_enabled()) { |
duke@435 | 2436 | _collector = collector; |
duke@435 | 2437 | _collector->set_enabled(false); |
duke@435 | 2438 | } |
duke@435 | 2439 | } |
duke@435 | 2440 | } |
duke@435 | 2441 | } |
duke@435 | 2442 | |
duke@435 | 2443 | // Re-Enable collection of VMObjectAlloc events (if previously enabled) |
duke@435 | 2444 | NoJvmtiVMObjectAllocMark::~NoJvmtiVMObjectAllocMark() { |
duke@435 | 2445 | if (was_enabled()) { |
duke@435 | 2446 | _collector->set_enabled(true); |
duke@435 | 2447 | } |
duke@435 | 2448 | }; |
duke@435 | 2449 | |
kamg@2445 | 2450 | JvmtiGCMarker::JvmtiGCMarker() { |
duke@435 | 2451 | // if there aren't any JVMTI environments then nothing to do |
duke@435 | 2452 | if (!JvmtiEnv::environments_might_exist()) { |
duke@435 | 2453 | return; |
duke@435 | 2454 | } |
duke@435 | 2455 | |
duke@435 | 2456 | if (JvmtiExport::should_post_garbage_collection_start()) { |
duke@435 | 2457 | JvmtiExport::post_garbage_collection_start(); |
duke@435 | 2458 | } |
duke@435 | 2459 | |
kamg@2445 | 2460 | if (SafepointSynchronize::is_at_safepoint()) { |
kamg@2445 | 2461 | // Do clean up tasks that need to be done at a safepoint |
kamg@2445 | 2462 | JvmtiEnvBase::check_for_periodic_clean_up(); |
duke@435 | 2463 | } |
duke@435 | 2464 | } |
duke@435 | 2465 | |
duke@435 | 2466 | JvmtiGCMarker::~JvmtiGCMarker() { |
duke@435 | 2467 | // if there aren't any JVMTI environments then nothing to do |
duke@435 | 2468 | if (!JvmtiEnv::environments_might_exist()) { |
duke@435 | 2469 | return; |
duke@435 | 2470 | } |
duke@435 | 2471 | |
duke@435 | 2472 | // JVMTI notify gc finish |
duke@435 | 2473 | if (JvmtiExport::should_post_garbage_collection_finish()) { |
duke@435 | 2474 | JvmtiExport::post_garbage_collection_finish(); |
duke@435 | 2475 | } |
duke@435 | 2476 | } |