346 inline jdouble oopDesc::double_field(int offset) const { return HeapAccess<>::load_at(as_oop(), offset); }
347 inline void oopDesc::double_field_put(int offset, jdouble value) { HeapAccess<>::store_at(as_oop(), offset, value); }
348
349 bool oopDesc::is_locked() const {
350 return mark()->is_locked();
351 }
352
353 bool oopDesc::is_unlocked() const {
354 return mark()->is_unlocked();
355 }
356
357 bool oopDesc::has_bias_pattern() const {
358 return mark()->has_bias_pattern();
359 }
360
361 // Used only for markSweep, scavenging
362 bool oopDesc::is_gc_marked() const {
363 return mark()->is_marked();
364 }
365
366 bool oopDesc::is_scavengable() const {
367 return Universe::heap()->is_scavengable(oop(const_cast<oopDesc*>(this)));
368 }
369
370 // Used by scavengers
371 bool oopDesc::is_forwarded() const {
372 // The extra heap check is needed since the obj might be locked, in which case the
373 // mark would point to a stack location and have the sentinel bit cleared
374 return mark()->is_marked();
375 }
376
377 // Used by scavengers
378 void oopDesc::forward_to(oop p) {
379 assert(check_obj_alignment(p),
380 "forwarding to something not aligned");
381 assert(Universe::heap()->is_in_reserved(p),
382 "forwarding to something not in heap");
383 assert(!is_archive_object(oop(this)) &&
384 !is_archive_object(p),
385 "forwarding archive object");
386 markOop m = markOopDesc::encode_pointer_as_mark(p);
387 assert(m->decode_pointer() == p, "encoding must be reversable");
388 set_mark(m);
389 }
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346 inline jdouble oopDesc::double_field(int offset) const { return HeapAccess<>::load_at(as_oop(), offset); }
347 inline void oopDesc::double_field_put(int offset, jdouble value) { HeapAccess<>::store_at(as_oop(), offset, value); }
348
349 bool oopDesc::is_locked() const {
350 return mark()->is_locked();
351 }
352
353 bool oopDesc::is_unlocked() const {
354 return mark()->is_unlocked();
355 }
356
357 bool oopDesc::has_bias_pattern() const {
358 return mark()->has_bias_pattern();
359 }
360
361 // Used only for markSweep, scavenging
362 bool oopDesc::is_gc_marked() const {
363 return mark()->is_marked();
364 }
365
366 // Used by scavengers
367 bool oopDesc::is_forwarded() const {
368 // The extra heap check is needed since the obj might be locked, in which case the
369 // mark would point to a stack location and have the sentinel bit cleared
370 return mark()->is_marked();
371 }
372
373 // Used by scavengers
374 void oopDesc::forward_to(oop p) {
375 assert(check_obj_alignment(p),
376 "forwarding to something not aligned");
377 assert(Universe::heap()->is_in_reserved(p),
378 "forwarding to something not in heap");
379 assert(!is_archive_object(oop(this)) &&
380 !is_archive_object(p),
381 "forwarding archive object");
382 markOop m = markOopDesc::encode_pointer_as_mark(p);
383 assert(m->decode_pointer() == p, "encoding must be reversable");
384 set_mark(m);
385 }
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