Mercurial > hg > truffle
view src/share/vm/gc_implementation/shared/isGCActiveMark.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 |
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/* * Copyright (c) 2002, 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_SHARED_ISGCACTIVEMARK_HPP #define SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP #include "utilities/macros.hpp" #if INCLUDE_ALL_GCS #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" #endif // INCLUDE_ALL_GCS // This class provides a method for block structured setting of the // _is_gc_active state without requiring accessors in CollectedHeap class IsGCActiveMark : public StackObj { public: IsGCActiveMark() { CollectedHeap* heap = Universe::heap(); assert(!heap->is_gc_active(), "Not reentrant"); heap->_is_gc_active = true; } ~IsGCActiveMark() { CollectedHeap* heap = Universe::heap(); assert(heap->is_gc_active(), "Sanity"); heap->_is_gc_active = false; } }; #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP