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view src/share/vm/ci/ciArray.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) 1999, 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_CI_CIARRAY_HPP #define SHARE_VM_CI_CIARRAY_HPP #include "ci/ciArrayKlass.hpp" #include "ci/ciConstant.hpp" #include "ci/ciObject.hpp" #include "oops/arrayOop.hpp" #include "oops/objArrayOop.hpp" #include "oops/typeArrayOop.hpp" // ciArray // // This class represents an arrayOop in the HotSpot virtual // machine. class ciArray : public ciObject { private: int _length; protected: ciArray( arrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {} ciArray( objArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {} ciArray(typeArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {} ciArray(ciKlass* klass, int len) : ciObject(klass), _length(len) {} arrayOop get_arrayOop() const { return (arrayOop)get_oop(); } const char* type_string() { return "ciArray"; } void print_impl(outputStream* st); ciConstant element_value_impl(BasicType elembt, arrayOop ary, int index); public: int length() { return _length; } // Convenience routines. ciArrayKlass* array_type() { return klass()->as_array_klass(); } ciType* element_type() { return array_type()->element_type(); } BasicType element_basic_type() { return element_type()->basic_type(); } // Current value of an element. // Returns T_ILLEGAL if there is no element at the given index. ciConstant element_value(int index); // Current value of an element at the specified offset. // Returns T_ILLEGAL if there is no element at the given offset. ciConstant element_value_by_offset(intptr_t element_offset); // What kind of ciObject is this? bool is_array() { return true; } bool is_java_object() { return true; } }; #endif // SHARE_VM_CI_CIARRAY_HPP