Mercurial > hg > graal-jvmci-8
diff src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp @ 7179:d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
Summary: Pass down a closure during root scanning to keep the class of the method alive.
Reviewed-by: coleenp, jcoomes
author | stefank |
---|---|
date | Tue, 27 Nov 2012 10:13:20 +0100 |
parents | d8ce2825b193 |
children | 92ef81e2f571 |
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--- a/src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp Mon Nov 26 12:31:03 2012 -0500 +++ b/src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp Tue Nov 27 10:13:20 2012 +0100 @@ -52,14 +52,22 @@ PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty)); ParCompactionManager* cm = ParCompactionManager::gc_thread_compaction_manager(which); + PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm); + CLDToOopClosure mark_and_push_from_clds(&mark_and_push_closure, true); CodeBlobToOopClosure mark_and_push_in_blobs(&mark_and_push_closure, /*do_marking=*/ true); if (_java_thread != NULL) - _java_thread->oops_do(&mark_and_push_closure, &mark_and_push_in_blobs); + _java_thread->oops_do( + &mark_and_push_closure, + &mark_and_push_from_clds, + &mark_and_push_in_blobs); if (_vm_thread != NULL) - _vm_thread->oops_do(&mark_and_push_closure, &mark_and_push_in_blobs); + _vm_thread->oops_do( + &mark_and_push_closure, + &mark_and_push_from_clds, + &mark_and_push_in_blobs); // Do the real work cm->follow_marking_stacks(); @@ -89,7 +97,8 @@ { ResourceMark rm; CodeBlobToOopClosure each_active_code_blob(&mark_and_push_closure, /*do_marking=*/ true); - Threads::oops_do(&mark_and_push_closure, &each_active_code_blob); + CLDToOopClosure mark_and_push_from_cld(&mark_and_push_closure); + Threads::oops_do(&mark_and_push_closure, &mark_and_push_from_cld, &each_active_code_blob); } break;