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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java @ 16779:e52ad0d3b7d6

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put some security sensitive actions into a privileged action
author Doug Simon <doug.simon@oracle.com>
date Tue, 12 Aug 2014 00:08:19 +0200
parents 70f47dbbcabd
children 846c059e3ecf
comparison
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16778:8a05a498ab76 16779:e52ad0d3b7d6
25 package com.oracle.truffle.api.nodes; 25 package com.oracle.truffle.api.nodes;
26 26
27 import java.io.*; 27 import java.io.*;
28 import java.lang.annotation.*; 28 import java.lang.annotation.*;
29 import java.lang.reflect.*; 29 import java.lang.reflect.*;
30 import java.security.*;
30 import java.util.*; 31 import java.util.*;
31 32
32 import sun.misc.*; 33 import sun.misc.*;
33 34
34 import com.oracle.truffle.api.*; 35 import com.oracle.truffle.api.*;
158 */ 159 */
159 public static final class NodeClass { 160 public static final class NodeClass {
160 private static final ClassValue<NodeClass> nodeClasses = new ClassValue<NodeClass>() { 161 private static final ClassValue<NodeClass> nodeClasses = new ClassValue<NodeClass>() {
161 @SuppressWarnings("unchecked") 162 @SuppressWarnings("unchecked")
162 @Override 163 @Override
163 protected NodeClass computeValue(Class<?> clazz) { 164 protected NodeClass computeValue(final Class<?> clazz) {
164 assert Node.class.isAssignableFrom(clazz); 165 assert Node.class.isAssignableFrom(clazz);
165 return new NodeClass((Class<? extends Node>) clazz, unsafeFieldOffsetProvider); 166 return AccessController.doPrivileged(new PrivilegedAction<NodeClass>() {
167 public NodeClass run() {
168 return new NodeClass((Class<? extends Node>) clazz, unsafeFieldOffsetProvider);
169 }
170 });
166 } 171 }
167 }; 172 };
168 173
169 // The comprehensive list of all fields. 174 // The comprehensive list of all fields.
170 private final NodeField[] fields; 175 private final NodeField[] fields;