7012339: JSR 292 crash in G1SATBCardTableModRefBS::write_ref_field_pre_work()
Reviewed-by: jrose, never
--- a/hotspot/src/share/vm/oops/cpCacheOop.cpp Tue Feb 01 03:38:44 2011 -0800
+++ b/hotspot/src/share/vm/oops/cpCacheOop.cpp Tue Feb 01 05:51:24 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -98,15 +98,15 @@
// Atomically sets f1 if it is still NULL, otherwise it keeps the
// current value.
void ConstantPoolCacheEntry::set_f1_if_null_atomic(oop f1) {
- // Use barriers as in oop_store
- HeapWord* f1_addr = (HeapWord*) &_f1;
- update_barrier_set_pre(f1_addr, f1);
- void* result = Atomic::cmpxchg_ptr(f1, f1_addr, NULL);
- bool success = (result == NULL);
- if (success) {
- update_barrier_set((void*) f1_addr, f1);
- }
+ // Use barriers as in oop_store
+ oop* f1_addr = (oop*) &_f1;
+ update_barrier_set_pre(f1_addr, f1);
+ void* result = Atomic::cmpxchg_ptr(f1, f1_addr, NULL);
+ bool success = (result == NULL);
+ if (success) {
+ update_barrier_set(f1_addr, f1);
}
+}
#ifdef ASSERT
// It is possible to have two different dummy methodOops created