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comparison src/share/vm/code/codeCache.cpp @ 1644:2a47bd84841f

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6965184: possible races in make_not_entrant_or_zombie Reviewed-by: kvn
author never
date Thu, 08 Jul 2010 14:29:44 -0700
parents e9ff18c4ace7
children 3e8fbc61cee8
comparison
equal deleted inserted replaced
1635:a693e51ac197 1644:2a47bd84841f
91 91
92 // CodeCache implementation 92 // CodeCache implementation
93 93
94 CodeHeap * CodeCache::_heap = new CodeHeap(); 94 CodeHeap * CodeCache::_heap = new CodeHeap();
95 int CodeCache::_number_of_blobs = 0; 95 int CodeCache::_number_of_blobs = 0;
96 int CodeCache::_number_of_adapters = 0;
97 int CodeCache::_number_of_nmethods = 0;
96 int CodeCache::_number_of_nmethods_with_dependencies = 0; 98 int CodeCache::_number_of_nmethods_with_dependencies = 0;
97 bool CodeCache::_needs_cache_clean = false; 99 bool CodeCache::_needs_cache_clean = false;
98 nmethod* CodeCache::_scavenge_root_nmethods = NULL; 100 nmethod* CodeCache::_scavenge_root_nmethods = NULL;
99 nmethod* CodeCache::_saved_nmethods = NULL; 101 nmethod* CodeCache::_saved_nmethods = NULL;
100 102
174 void CodeCache::free(CodeBlob* cb) { 176 void CodeCache::free(CodeBlob* cb) {
175 assert_locked_or_safepoint(CodeCache_lock); 177 assert_locked_or_safepoint(CodeCache_lock);
176 verify_if_often(); 178 verify_if_often();
177 179
178 print_trace("free", cb); 180 print_trace("free", cb);
179 if (cb->is_nmethod() && ((nmethod *)cb)->has_dependencies()) { 181 if (cb->is_nmethod()) {
180 _number_of_nmethods_with_dependencies--; 182 _number_of_nmethods--;
183 if (((nmethod *)cb)->has_dependencies()) {
184 _number_of_nmethods_with_dependencies--;
185 }
186 }
187 if (cb->is_adapter_blob()) {
188 _number_of_adapters--;
181 } 189 }
182 _number_of_blobs--; 190 _number_of_blobs--;
183 191
184 _heap->deallocate(cb); 192 _heap->deallocate(cb);
185 193
189 197
190 198
191 void CodeCache::commit(CodeBlob* cb) { 199 void CodeCache::commit(CodeBlob* cb) {
192 // this is called by nmethod::nmethod, which must already own CodeCache_lock 200 // this is called by nmethod::nmethod, which must already own CodeCache_lock
193 assert_locked_or_safepoint(CodeCache_lock); 201 assert_locked_or_safepoint(CodeCache_lock);
194 if (cb->is_nmethod() && ((nmethod *)cb)->has_dependencies()) { 202 if (cb->is_nmethod()) {
195 _number_of_nmethods_with_dependencies++; 203 _number_of_nmethods++;
196 } 204 if (((nmethod *)cb)->has_dependencies()) {
205 _number_of_nmethods_with_dependencies++;
206 }
207 }
208 if (cb->is_adapter_blob()) {
209 _number_of_adapters++;
210 }
211
197 // flush the hardware I-cache 212 // flush the hardware I-cache
198 ICache::invalidate_range(cb->instructions_begin(), cb->instructions_size()); 213 ICache::invalidate_range(cb->instructions_begin(), cb->instructions_size());
199 } 214 }
200 215
201 216