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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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
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package org.graalvm.compiler.replacements;

import java.lang.reflect.Field;

import sun.misc.Unsafe;

Package private access to the Unsafe capability.
/** * Package private access to the {@link Unsafe} capability. */
class UnsafeAccess { private static final Unsafe THE_UNSAFE = initUnsafe(); static final UnsafeAccess UNSAFE = new UnsafeAccess(); private static Unsafe initUnsafe() { try { // Fast path when we are trusted. return Unsafe.getUnsafe(); } catch (SecurityException se) { // Slow path when we are not trusted. try { Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe"); theUnsafe.setAccessible(true); return (Unsafe) theUnsafe.get(Unsafe.class); } catch (Exception e) { throw new RuntimeException("exception while trying to get Unsafe", e); } } } public char getChar(Object target, long l) { return THE_UNSAFE.getChar(target, l); } public byte getByte(Object target, long l) { return THE_UNSAFE.getByte(target, l); } }