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diff src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp @ 7179:d0aa87f04bd5

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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 4202510ee0fe
children a08c80e9e1e5
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Mon Nov 26 12:31:03 2012 -0500
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	Tue Nov 27 10:13:20 2012 +0100
@@ -495,8 +495,9 @@
     ParallelScavengeHeap::ParStrongRootsScope psrs;
     Universe::oops_do(mark_and_push_closure());
     JNIHandles::oops_do(mark_and_push_closure());   // Global (strong) JNI handles
+    CLDToOopClosure mark_and_push_from_cld(mark_and_push_closure());
     CodeBlobToOopClosure each_active_code_blob(mark_and_push_closure(), /*do_marking=*/ true);
-    Threads::oops_do(mark_and_push_closure(), &each_active_code_blob);
+    Threads::oops_do(mark_and_push_closure(), &mark_and_push_from_cld, &each_active_code_blob);
     ObjectSynchronizer::oops_do(mark_and_push_closure());
     FlatProfiler::oops_do(mark_and_push_closure());
     Management::oops_do(mark_and_push_closure());
@@ -584,7 +585,8 @@
   // General strong roots.
   Universe::oops_do(adjust_root_pointer_closure());
   JNIHandles::oops_do(adjust_root_pointer_closure());   // Global (strong) JNI handles
-  Threads::oops_do(adjust_root_pointer_closure(), NULL);
+  CLDToOopClosure adjust_from_cld(adjust_root_pointer_closure());
+  Threads::oops_do(adjust_root_pointer_closure(), &adjust_from_cld, NULL);
   ObjectSynchronizer::oops_do(adjust_root_pointer_closure());
   FlatProfiler::oops_do(adjust_root_pointer_closure());
   Management::oops_do(adjust_root_pointer_closure());