354 public:
355 void set_last_handle_mark(HandleMark* mark) { _last_handle_mark = mark; }
356 HandleMark* last_handle_mark() const { return _last_handle_mark; }
357 private:
358
359 #ifdef ASSERT
360 ICRefillVerifier* _missed_ic_stub_refill_verifier;
361
362 public:
363 ICRefillVerifier* missed_ic_stub_refill_verifier() {
364 return _missed_ic_stub_refill_verifier;
365 }
366
367 void set_missed_ic_stub_refill_verifier(ICRefillVerifier* verifier) {
368 _missed_ic_stub_refill_verifier = verifier;
369 }
370 #endif
371
372 private:
373
374 // debug support for checking if code does allow safepoints or not
375 // GC points in the VM can happen because of allocation, invoking a VM operation, or blocking on
376 // mutex, or blocking on an object synchronizer (Java locking).
377 // If !allow_safepoint(), then an assertion failure will happen in any of the above cases
378 //
379 // The class NoSafepointVerifier is used to set this counter.
380 //
381 NOT_PRODUCT(int _allow_safepoint_count;) // If 0, thread allow a safepoint to happen
382
383 // Used by SkipGCALot class.
384 NOT_PRODUCT(bool _skip_gcalot;) // Should we elide gc-a-lot?
385
386 friend class NoSafepointVerifier;
387 friend class PauseNoSafepointVerifier;
388 friend class GCLocker;
389
390 volatile void* _polling_page; // Thread local polling page
391
392 ThreadLocalAllocBuffer _tlab; // Thread-local eden
393 jlong _allocated_bytes; // Cumulative number of bytes allocated on
394 // the Java heap
395 ThreadHeapSampler _heap_sampler; // For use when sampling the memory.
396
397 ThreadStatisticalInfo _statistical_info; // Statistics about the thread
398
399 JFR_ONLY(DEFINE_THREAD_LOCAL_FIELD_JFR;) // Thread-local data for jfr
400
401 int _vm_operation_started_count; // VM_Operation support
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354 public:
355 void set_last_handle_mark(HandleMark* mark) { _last_handle_mark = mark; }
356 HandleMark* last_handle_mark() const { return _last_handle_mark; }
357 private:
358
359 #ifdef ASSERT
360 ICRefillVerifier* _missed_ic_stub_refill_verifier;
361
362 public:
363 ICRefillVerifier* missed_ic_stub_refill_verifier() {
364 return _missed_ic_stub_refill_verifier;
365 }
366
367 void set_missed_ic_stub_refill_verifier(ICRefillVerifier* verifier) {
368 _missed_ic_stub_refill_verifier = verifier;
369 }
370 #endif
371
372 private:
373
374 // Debug support for checking if code allows safepoints or not.
375 // Safepoints in the VM can happen because of allocation, invoking a VM operation, or blocking on
376 // mutex, or blocking on an object synchronizer (Java locking).
377 // If _no_safepoint_count is non-zero, then an assertion failure will happen in any of
378 // the above cases.
379 //
380 // The class NoSafepointVerifier is used to set this counter.
381 //
382 NOT_PRODUCT(int _no_safepoint_count;) // If 0, thread allow a safepoint to happen
383
384 // Used by SkipGCALot class.
385 NOT_PRODUCT(bool _skip_gcalot;) // Should we elide gc-a-lot?
386
387 friend class NoSafepointVerifier;
388 friend class PauseNoSafepointVerifier;
389 friend class GCLocker;
390
391 volatile void* _polling_page; // Thread local polling page
392
393 ThreadLocalAllocBuffer _tlab; // Thread-local eden
394 jlong _allocated_bytes; // Cumulative number of bytes allocated on
395 // the Java heap
396 ThreadHeapSampler _heap_sampler; // For use when sampling the memory.
397
398 ThreadStatisticalInfo _statistical_info; // Statistics about the thread
399
400 JFR_ONLY(DEFINE_THREAD_LOCAL_FIELD_JFR;) // Thread-local data for jfr
401
402 int _vm_operation_started_count; // VM_Operation support
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