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8048248: G1 Class Unloading after completing a concurrent mark cycle

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Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
This commit is contained in:
Stefan Karlsson 2014-07-07 10:12:40 +02:00
parent b0138be158
commit 8c3aced316
75 changed files with 2169 additions and 874 deletions
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19
hotspot/src/share/vm/classfile/systemDictionary.cpp
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@ -1612,13 +1612,7 @@ void SystemDictionary::add_to_hierarchy(instanceKlassHandle k, TRAPS) {
// system dictionary and follows the remaining classes' contents.
void SystemDictionary::always_strong_oops_do(OopClosure* blk) {
blk->do_oop(&_java_system_loader);
blk->do_oop(&_system_loader_lock_obj);
dictionary()->always_strong_oops_do(blk);
// Visit extra methods
invoke_method_table()->oops_do(blk);
roots_oops_do(blk, NULL);
}
void SystemDictionary::always_strong_classes_do(KlassClosure* closure) {
@ -1685,6 +1679,17 @@ bool SystemDictionary::do_unloading(BoolObjectClosure* is_alive) {
return unloading_occurred;
}
void SystemDictionary::roots_oops_do(OopClosure* strong, OopClosure* weak) {
strong->do_oop(&_java_system_loader);
strong->do_oop(&_system_loader_lock_obj);
// Adjust dictionary
dictionary()->roots_oops_do(strong, weak);
// Visit extra methods
invoke_method_table()->oops_do(strong);
}
void SystemDictionary::oops_do(OopClosure* f) {
f->do_oop(&_java_system_loader);
f->do_oop(&_system_loader_lock_obj);