1 /* 2 * Copyright (c) 2016, 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 25 26 package jdk.tools.jaotc; 27 28 import java.util.List; 29 30 import org.graalvm.compiler.code.CompilationResult; 31 import org.graalvm.compiler.hotspot.HotSpotMarkId; 32 33 final class CodeOffsets { 34 private final int entry; 35 private final int verifiedEntry; 36 private final int exceptionHandler; 37 private final int deoptHandler; 38 private final int deoptMHHandler; 39 CodeOffsets(int entry, int verifiedEntry, int exceptionHandler, int deoptHandler, int deoptMHHandler)40 private CodeOffsets(int entry, int verifiedEntry, int exceptionHandler, int deoptHandler, int deoptMHHandler) { 41 this.entry = entry; 42 this.verifiedEntry = verifiedEntry; 43 this.exceptionHandler = exceptionHandler; 44 this.deoptHandler = deoptHandler; 45 this.deoptMHHandler = deoptMHHandler; 46 } 47 buildFrom(List<CompilationResult.CodeMark> marks)48 static CodeOffsets buildFrom(List<CompilationResult.CodeMark> marks) { 49 int entry = 0; 50 int verifiedEntry = 0; 51 int exceptionHandler = -1; 52 int deoptHandler = -1; 53 int deoptMHHandler = -1; 54 55 for (CompilationResult.CodeMark mark : marks) { 56 HotSpotMarkId markId = (HotSpotMarkId) mark.id; 57 switch (markId) { 58 case UNVERIFIED_ENTRY: 59 entry = mark.pcOffset; 60 break; 61 case VERIFIED_ENTRY: 62 verifiedEntry = mark.pcOffset; 63 break; 64 case OSR_ENTRY: 65 // Unhandled 66 break; 67 case EXCEPTION_HANDLER_ENTRY: 68 exceptionHandler = mark.pcOffset; 69 break; 70 case DEOPT_HANDLER_ENTRY: 71 deoptHandler = mark.pcOffset; 72 break; 73 case DEOPT_MH_HANDLER_ENTRY: 74 deoptMHHandler = mark.pcOffset; 75 break; 76 default: 77 break; // Ignore others 78 } 79 } 80 return new CodeOffsets(entry, verifiedEntry, exceptionHandler, deoptHandler, deoptMHHandler); 81 } 82 entry()83 int entry() { 84 return entry; 85 } 86 verifiedEntry()87 int verifiedEntry() { 88 return verifiedEntry; 89 } 90 exceptionHandler()91 int exceptionHandler() { 92 return exceptionHandler; 93 } 94 deoptHandler()95 int deoptHandler() { 96 return deoptHandler; 97 } 98 deoptMHHandler()99 int deoptMHHandler() { 100 return deoptMHHandler; 101 } 102 } 103