1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.core.common; 26 27 import org.graalvm.compiler.options.EnumOptionKey; 28 import org.graalvm.compiler.options.Option; 29 import org.graalvm.compiler.options.OptionKey; 30 import org.graalvm.compiler.options.OptionType; 31 32 public enum SpeculativeExecutionAttacksMitigations { 33 None, 34 AllTargets, 35 GuardTargets, 36 NonDeoptGuardTargets; 37 38 public static class Options { 39 // @formatter:off 40 @Option(help = "file:doc-files/MitigateSpeculativeExecutionAttacksHelp.txt") 41 public static final EnumOptionKey<SpeculativeExecutionAttacksMitigations> MitigateSpeculativeExecutionAttacks = new EnumOptionKey<>(None); 42 @Option(help = "Use index masking after bounds check to mitigate speculative execution attacks.", type = OptionType.User) 43 public static final OptionKey<Boolean> UseIndexMasking = new OptionKey<>(false); 44 // @formatter:on 45 } 46 }