211
212 // iterate over the collected list and post an event for each blob
213 JvmtiCodeBlobDesc* blob = collector.first();
214 while (blob != NULL) {
215 JvmtiExport::post_dynamic_code_generated(env, blob->name(), blob->code_begin(), blob->code_end());
216 blob = collector.next();
217 }
218 return JVMTI_ERROR_NONE;
219 }
220
221
222 // Generate a COMPILED_METHOD_LOAD event for each nnmethod
223 jvmtiError JvmtiCodeBlobEvents::generate_compiled_method_load_events(JvmtiEnv* env) {
224 HandleMark hm;
225
226 // Walk the CodeCache notifying for live nmethods. The code cache
227 // may be changing while this is happening which is ok since newly
228 // created nmethod will notify normally and nmethods which are freed
229 // can be safely skipped.
230 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
231 nmethod* current = CodeCache::first_nmethod();
232 while (current != NULL) {
233 // Only notify for live nmethods
234 if (current->is_alive()) {
235 // Lock the nmethod so it can't be freed
236 nmethodLocker nml(current);
237
238 // Don't hold the lock over the notify or jmethodID creation
239 MutexUnlockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
240 current->get_and_cache_jmethod_id();
241 JvmtiExport::post_compiled_method_load(current);
242 }
243 current = CodeCache::next_nmethod(current);
244 }
245 return JVMTI_ERROR_NONE;
246 }
247
248
249 // create a C-heap allocated address location map for an nmethod
250 void JvmtiCodeBlobEvents::build_jvmti_addr_location_map(nmethod *nm,
251 jvmtiAddrLocationMap** map_ptr,
252 jint *map_length_ptr)
253 {
254 ResourceMark rm;
255 jvmtiAddrLocationMap* map = NULL;
256 jint map_length = 0;
257
258
259 // Generate line numbers using PcDesc and ScopeDesc info
260 methodHandle mh(nm->method());
261
262 if (!mh->is_native()) {
263 PcDesc *pcd;
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211
212 // iterate over the collected list and post an event for each blob
213 JvmtiCodeBlobDesc* blob = collector.first();
214 while (blob != NULL) {
215 JvmtiExport::post_dynamic_code_generated(env, blob->name(), blob->code_begin(), blob->code_end());
216 blob = collector.next();
217 }
218 return JVMTI_ERROR_NONE;
219 }
220
221
222 // Generate a COMPILED_METHOD_LOAD event for each nnmethod
223 jvmtiError JvmtiCodeBlobEvents::generate_compiled_method_load_events(JvmtiEnv* env) {
224 HandleMark hm;
225
226 // Walk the CodeCache notifying for live nmethods. The code cache
227 // may be changing while this is happening which is ok since newly
228 // created nmethod will notify normally and nmethods which are freed
229 // can be safely skipped.
230 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
231 // Iterate over non-profiled and profiled nmethods
232 for (int code_blob_type = CodeBlobType::MethodNonProfiled; code_blob_type <= CodeBlobType::MethodProfiled; ++code_blob_type) {
233 // Only notify for live nmethods
234 nmethod* current = (nmethod*) CodeCache::first_alive_blob(code_blob_type);
235 while (current != NULL) {
236 // Lock the nmethod so it can't be freed
237 nmethodLocker nml(current);
238
239 // Don't hold the lock over the notify or jmethodID creation
240 MutexUnlockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
241 current->get_and_cache_jmethod_id();
242 JvmtiExport::post_compiled_method_load(current);
243
244 current = (nmethod*) CodeCache::next_alive_blob(current, code_blob_type);
245 }
246 }
247 return JVMTI_ERROR_NONE;
248 }
249
250
251 // create a C-heap allocated address location map for an nmethod
252 void JvmtiCodeBlobEvents::build_jvmti_addr_location_map(nmethod *nm,
253 jvmtiAddrLocationMap** map_ptr,
254 jint *map_length_ptr)
255 {
256 ResourceMark rm;
257 jvmtiAddrLocationMap* map = NULL;
258 jint map_length = 0;
259
260
261 // Generate line numbers using PcDesc and ScopeDesc info
262 methodHandle mh(nm->method());
263
264 if (!mh->is_native()) {
265 PcDesc *pcd;
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