Mercurial > hg > truffle
view src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp @ 20228:f72d8917322a
8050978: Fix bad field access check in C1 and C2
Summary: JCK8 test vm/constantpool/accessControl/accessControl004/accessControl00402m3/accessControl00402m3.html fails with -Xbatch -Xcomp due to bad field access check in C1 and C2. Fix: In ciField::ciField(), just before the canonical holder is stored into the _holder variable (and which is used by ciField::will_link()) perform an additional access check with the holder declared in the class file. If this check fails, store the declared holder instead and ciField::will_link() will bail out compilation for this field later on. Then, the interpreter will throw an PrivilegedAccessException at runtime.
Reviewed-by: kvn, vlivanov
Contributed-by: andreas.schoesser@sap.com
author | goetz |
---|---|
date | Fri, 18 Jul 2014 09:04:01 +0200 |
parents | 55fb97c4c58d |
children | 4ca6dc0799b6 |
line wrap: on
line source
/* * Copyright (c) 2007, 2013, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSCOLLECTORPOLICY_HPP #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSCOLLECTORPOLICY_HPP #include "memory/collectorPolicy.hpp" class ConcurrentMarkSweepPolicy : public TwoGenerationCollectorPolicy { protected: void initialize_alignments(); void initialize_generations(); public: ConcurrentMarkSweepPolicy() {} ConcurrentMarkSweepPolicy* as_concurrent_mark_sweep_policy() { return this; } void initialize_gc_policy_counters(); virtual void initialize_size_policy(size_t init_eden_size, size_t init_promo_size, size_t init_survivor_size); // Returns true if the incremental mode is enabled. virtual bool has_soft_ended_eden(); }; class ASConcurrentMarkSweepPolicy : public ConcurrentMarkSweepPolicy { public: // Initialize the jstat counters. This method requires a // size policy. The size policy is expected to be created // after the generations are fully initialized so the // initialization of the counters need to be done post // the initialization of the generations. void initialize_gc_policy_counters(); virtual CollectorPolicy::Name kind() { return CollectorPolicy::ASConcurrentMarkSweepPolicyKind; } }; #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSCOLLECTORPOLICY_HPP