220 }
221 void do_oop(narrowOop* o) {
222 fatal("NMethods should not have compressed oops embedded.");
223 }
224
225 GrowableArray<oop*>* oops() {
226 return &_oops;
227 }
228
229 bool has_oops() {
230 return !_oops.is_empty();
231 }
232 };
233
234 void ShenandoahNMethod::assert_same_oops(bool allow_dead) {
235 ShenandoahNMethodOopDetector detector;
236 nm()->oops_do(&detector, allow_dead);
237
238 GrowableArray<oop*>* oops = detector.oops();
239
240 assert(oops->length() == oop_count(), "Must match");
241
242 for (int index = 0; index < _oops_count; index ++) {
243 assert(oops->contains(_oops[index]), "Must contain this oop");
244 }
245
246 for (oop* p = nm()->oops_begin(); p < nm()->oops_end(); p ++) {
247 assert(oops->contains(p), "Must contain this oop");
248 }
249 }
250
251 void ShenandoahNMethod::assert_no_oops(nmethod* nm, bool allow_dead) {
252 ShenandoahNMethodOopDetector detector;
253 nm->oops_do(&detector, allow_dead);
254 assert(detector.oops()->length() == 0, "Should not have oops");
255 }
256 #endif
257
258 ShenandoahNMethodTable::ShenandoahNMethodTable() :
259 _heap(ShenandoahHeap::heap()),
260 _size(minSize),
261 _index(0),
262 _iteration_in_progress(false) {
263 _array = NEW_C_HEAP_ARRAY(ShenandoahNMethod*, _size, mtGC);
264 }
265
266 ShenandoahNMethodTable::~ShenandoahNMethodTable() {
267 assert(_array != NULL, "Sanity");
268 FREE_C_HEAP_ARRAY(ShenandoahNMethod*, _array);
269 }
270
271 void ShenandoahNMethodTable::register_nmethod(nmethod* nm) {
272 assert(CodeCache_lock->owned_by_self(), "Must have CodeCache_lock held");
273 assert(_index >= 0 && _index <= _size, "Sanity");
274
275 ShenandoahNMethod* data = ShenandoahNMethod::gc_data(nm);
276 ShenandoahReentrantLocker data_locker(data != NULL ? data->lock() : NULL);
277
278 if (data != NULL) {
279 assert(contain(nm), "Must have been registered");
280 data->update();
281 } else {
282 data = ShenandoahNMethod::for_nmethod(nm);
283 if (data == NULL) {
284 assert(!ShenandoahConcurrentRoots::can_do_concurrent_class_unloading(),
285 "Only possible when concurrent class unloading is off");
286 return;
287 }
288 ShenandoahNMethod::attach_gc_data(nm, data);
289 ShenandoahLocker locker(&_lock);
290 log_register_nmethod(nm);
291 append(data);
292 }
293 // Disarm new nmethod
294 ShenandoahNMethod::disarm_nmethod(nm);
295 }
296
297 void ShenandoahNMethodTable::unregister_nmethod(nmethod* nm) {
298 assert_locked_or_safepoint(CodeCache_lock);
299
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220 }
221 void do_oop(narrowOop* o) {
222 fatal("NMethods should not have compressed oops embedded.");
223 }
224
225 GrowableArray<oop*>* oops() {
226 return &_oops;
227 }
228
229 bool has_oops() {
230 return !_oops.is_empty();
231 }
232 };
233
234 void ShenandoahNMethod::assert_same_oops(bool allow_dead) {
235 ShenandoahNMethodOopDetector detector;
236 nm()->oops_do(&detector, allow_dead);
237
238 GrowableArray<oop*>* oops = detector.oops();
239
240 int count = _oops_count;
241 for (int index = 0; index < _oops_count; index ++) {
242 assert(oops->contains(_oops[index]), "Must contain this oop");
243 }
244
245 for (oop* p = nm()->oops_begin(); p < nm()->oops_end(); p ++) {
246 if (*p == Universe::non_oop_word()) continue;
247 count++;
248 assert(oops->contains(p), "Must contain this oop");
249 }
250
251 #ifdef ASSERT
252 if (oops->length() < count) {
253 tty->print_cr("detected locs: %d", oops->length());
254 for (int i = 0; i < oops->length(); i++) {
255 tty->print_cr("-> " PTR_FORMAT, p2i(oops->at(i)));
256 }
257 tty->print_cr("recorded oops: %d", _oops_count);
258 for (int i = 0; i < _oops_count; i++) {
259 tty->print_cr("-> " PTR_FORMAT, p2i(_oops[i]));
260 }
261 GrowableArray<oop*> check;
262 bool non_immed;
263 detect_reloc_oops(nm(), check, non_immed);
264 tty->print_cr("check oops: %d", check.length());
265 for (int i = 0; i < check.length(); i++) {
266 tty->print_cr("-> " PTR_FORMAT, p2i(check.at(i)));
267 }
268 fatal("Must match #detected: %d, #recorded: %d, #total: %d, begin: " PTR_FORMAT ", end: " PTR_FORMAT, oops->length(), _oops_count, count, p2i(nm()->oops_begin()), p2i(nm()->oops_end()));
269 }
270 #endif
271 }
272
273 void ShenandoahNMethod::assert_no_oops(nmethod* nm, bool allow_dead) {
274 ShenandoahNMethodOopDetector detector;
275 nm->oops_do(&detector, allow_dead);
276 assert(detector.oops()->length() == 0, "Should not have oops");
277 }
278 #endif
279
280 ShenandoahNMethodTable::ShenandoahNMethodTable() :
281 _heap(ShenandoahHeap::heap()),
282 _size(minSize),
283 _index(0),
284 _iteration_in_progress(false) {
285 _array = NEW_C_HEAP_ARRAY(ShenandoahNMethod*, _size, mtGC);
286 }
287
288 ShenandoahNMethodTable::~ShenandoahNMethodTable() {
289 assert(_array != NULL, "Sanity");
290 FREE_C_HEAP_ARRAY(ShenandoahNMethod*, _array);
291 }
292
293 void ShenandoahNMethodTable::register_nmethod(nmethod* nm) {
294 assert(CodeCache_lock->owned_by_self(), "Must have CodeCache_lock held");
295 assert(_index >= 0 && _index <= _size, "Sanity");
296
297 ShenandoahNMethod* data = ShenandoahNMethod::gc_data(nm);
298 ShenandoahReentrantLocker data_locker(data != NULL ? data->lock() : NULL);
299
300 if (data != NULL) {
301 assert(contain(nm), "Must have been registered");
302 assert(nm == data->nm(), "Must be same nmethod");
303 data->update();
304 } else {
305 data = ShenandoahNMethod::for_nmethod(nm);
306 if (data == NULL) {
307 assert(!ShenandoahConcurrentRoots::can_do_concurrent_class_unloading(),
308 "Only possible when concurrent class unloading is off");
309 return;
310 }
311 ShenandoahNMethod::attach_gc_data(nm, data);
312 ShenandoahLocker locker(&_lock);
313 log_register_nmethod(nm);
314 append(data);
315 }
316 // Disarm new nmethod
317 ShenandoahNMethod::disarm_nmethod(nm);
318 }
319
320 void ShenandoahNMethodTable::unregister_nmethod(nmethod* nm) {
321 assert_locked_or_safepoint(CodeCache_lock);
322
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