1 /* 2 * Copyright (c) 2014, 2020, 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 package compiler.testlibrary.sha.predicate; 25 26 import jdk.test.lib.Platform; 27 import jdk.test.lib.cli.predicate.AndPredicate; 28 import jdk.test.lib.cli.predicate.CPUSpecificPredicate; 29 import jdk.test.lib.cli.predicate.OrPredicate; 30 import sun.hotspot.WhiteBox; 31 32 import java.lang.reflect.Method; 33 import java.util.function.BooleanSupplier; 34 35 /** 36 * Helper class aimed to provide predicates on availability of SHA-related 37 * CPU instructions and intrinsics. 38 */ 39 public class IntrinsicPredicates { 40 private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); 41 private static final long TIERED_MAX_LEVEL = 4L; 42 /** 43 * Boolean supplier that check if any method could be compiled by C2. 44 * Method potentially could be compiled by C2 if Server VM is used and 45 * either tiered compilation is disabled or TIERED_MAX_LEVEL tier is 46 * reachable. 47 * 48 * Please don't place this definition after SHA*_INTRINSICS_AVAILABLE 49 * definitions. Otherwise its value will be {@code null} at the time when 50 * all dependent fields will be initialized. 51 */ 52 private static final BooleanSupplier COMPILABLE_BY_C2 = () -> { 53 boolean isTiered = IntrinsicPredicates.WHITE_BOX.getBooleanVMFlag( 54 "TieredCompilation"); 55 long tieredMaxLevel = IntrinsicPredicates.WHITE_BOX.getIntxVMFlag( 56 "TieredStopAtLevel"); 57 boolean maxLevelIsReachable = (tieredMaxLevel 58 == IntrinsicPredicates.TIERED_MAX_LEVEL); 59 return Platform.isServer() && !Platform.isEmulatedClient() && (!isTiered || maxLevelIsReachable); 60 }; 61 62 public static final BooleanSupplier MD5_INSTRUCTION_AVAILABLE 63 = new OrPredicate(new CPUSpecificPredicate("aarch64.*", null, null), 64 // x86 variants 65 new OrPredicate(new CPUSpecificPredicate("amd64.*", null, null), 66 new OrPredicate(new CPUSpecificPredicate("i386.*", null, null), 67 new CPUSpecificPredicate("x86.*", null, null)))); 68 69 public static final BooleanSupplier SHA1_INSTRUCTION_AVAILABLE 70 = new OrPredicate(new CPUSpecificPredicate("aarch64.*", new String[] { "sha1" }, null), 71 new OrPredicate(new CPUSpecificPredicate("s390.*", new String[] { "sha1" }, null), 72 // x86 variants 73 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "sha" }, null), 74 new OrPredicate(new CPUSpecificPredicate("i386.*", new String[] { "sha" }, null), 75 new CPUSpecificPredicate("x86.*", new String[] { "sha" }, null))))); 76 77 public static final BooleanSupplier SHA256_INSTRUCTION_AVAILABLE 78 = new OrPredicate(new CPUSpecificPredicate("aarch64.*", new String[] { "sha256" }, null), 79 new OrPredicate(new CPUSpecificPredicate("s390.*", new String[] { "sha256" }, null), 80 new OrPredicate(new CPUSpecificPredicate("ppc64.*", new String[] { "sha" }, null), 81 new OrPredicate(new CPUSpecificPredicate("ppc64le.*", new String[] { "sha" }, null), 82 // x86 variants 83 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "sha" }, null), 84 new OrPredicate(new CPUSpecificPredicate("i386.*", new String[] { "sha" }, null), 85 new OrPredicate(new CPUSpecificPredicate("x86.*", new String[] { "sha" }, null), 86 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "avx2", "bmi2" }, null), 87 new CPUSpecificPredicate("x86_64", new String[] { "avx2", "bmi2" }, null))))))))); 88 89 public static final BooleanSupplier SHA512_INSTRUCTION_AVAILABLE 90 = new OrPredicate(new CPUSpecificPredicate("aarch64.*", new String[] { "sha512" }, null), 91 new OrPredicate(new CPUSpecificPredicate("s390.*", new String[] { "sha512" }, null), 92 new OrPredicate(new CPUSpecificPredicate("ppc64.*", new String[] { "sha" }, null), 93 new OrPredicate(new CPUSpecificPredicate("ppc64le.*", new String[] { "sha" }, null), 94 // x86 variants 95 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "sha" }, null), 96 new OrPredicate(new CPUSpecificPredicate("i386.*", new String[] { "sha" }, null), 97 new OrPredicate(new CPUSpecificPredicate("x86.*", new String[] { "sha" }, null), 98 new OrPredicate(new CPUSpecificPredicate("amd64.*", new String[] { "avx2", "bmi2" }, null), 99 new CPUSpecificPredicate("x86_64", new String[] { "avx2", "bmi2" }, null))))))))); 100 101 public static final BooleanSupplier SHA3_INSTRUCTION_AVAILABLE 102 // sha3 is only implemented on aarch64 for now 103 = new CPUSpecificPredicate("aarch64.*", new String[] {"sha3" }, null); 104 105 public static final BooleanSupplier ANY_SHA_INSTRUCTION_AVAILABLE 106 = new OrPredicate(IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE, 107 new OrPredicate(IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE, 108 new OrPredicate(IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE, IntrinsicPredicates.SHA3_INSTRUCTION_AVAILABLE))); 109 110 public static BooleanSupplier isMD5IntrinsicAvailable() { 111 return new AndPredicate(IntrinsicPredicates.COMPILABLE_BY_C2, 112 IntrinsicPredicates.isIntrinsicAvailable("sun.security.provider.MD5", "implCompress0")); 113 } 114 115 public static BooleanSupplier isSHA1IntrinsicAvailable() { 116 return new AndPredicate(IntrinsicPredicates.COMPILABLE_BY_C2, 117 IntrinsicPredicates.isIntrinsicAvailable("sun.security.provider.SHA", "implCompress0")); 118 } 119 120 public static BooleanSupplier isSHA256IntrinsicAvailable() { 121 return new AndPredicate(IntrinsicPredicates.COMPILABLE_BY_C2, 122 IntrinsicPredicates.isIntrinsicAvailable("sun.security.provider.SHA2", "implCompress0")); 123 } 124 125 public static BooleanSupplier isSHA512IntrinsicAvailable() { 126 return new AndPredicate(IntrinsicPredicates.COMPILABLE_BY_C2, 127 IntrinsicPredicates.isIntrinsicAvailable("sun.security.provider.SHA5", "implCompress0")); 128 } 129 130 public static BooleanSupplier isSHA3IntrinsicAvailable() { 131 return new AndPredicate(IntrinsicPredicates.COMPILABLE_BY_C2, 132 IntrinsicPredicates.isIntrinsicAvailable("sun.security.provider.SHA3", "implCompress0")); 133 } 134 135 private static BooleanSupplier isIntrinsicAvailable(String klass, String method) { 136 try { 137 Method m = Class.forName(klass).getDeclaredMethod(method, byte[].class, int.class); 138 return () -> WHITE_BOX.isIntrinsicAvailable(m, (int)IntrinsicPredicates.TIERED_MAX_LEVEL); 139 } catch (Exception e) { 140 throw new RuntimeException("Intrinsified method " + klass + "::" + method + " not found!"); 141 } 142 }; 143 }