Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.code/src/jdk/vm/ci/code/site/Infopoint.java @ 24130:0386b21ed2b3
added Services.initializeJVMCI (JDK-8177845)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 18 Apr 2017 17:14:58 +0200 |
parents | 1140503536ae |
children |
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/* * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * 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 * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package jdk.vm.ci.code.site; import java.util.Map; import java.util.Objects; import jdk.vm.ci.code.BytecodePosition; import jdk.vm.ci.code.DebugInfo; import jdk.vm.ci.code.ReferenceMap; import jdk.vm.ci.code.Register; import jdk.vm.ci.code.RegisterSaveLayout; import jdk.vm.ci.meta.MetaUtil; /** * Represents an infopoint with associated debug info. Note that safepoints are also infopoints. */ public class Infopoint extends Site implements Comparable<Infopoint> { public final DebugInfo debugInfo; public final InfopointReason reason; public Infopoint(int pcOffset, DebugInfo debugInfo, InfopointReason reason) { super(pcOffset); this.debugInfo = debugInfo; this.reason = reason; } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append(pcOffset); sb.append("[<infopoint>]"); appendDebugInfo(sb, debugInfo); return sb.toString(); } @Override public int compareTo(Infopoint o) { if (pcOffset < o.pcOffset) { return -1; } else if (pcOffset > o.pcOffset) { return 1; } return this.reason.compareTo(o.reason); } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj != null && obj.getClass() == getClass()) { Infopoint that = (Infopoint) obj; if (this.pcOffset == that.pcOffset && Objects.equals(this.debugInfo, that.debugInfo) && Objects.equals(this.reason, that.reason)) { return true; } } return false; } protected static void appendDebugInfo(StringBuilder sb, DebugInfo info) { if (info != null) { ReferenceMap refMap = info.getReferenceMap(); if (refMap != null) { sb.append(refMap.toString()); sb.append(']'); } RegisterSaveLayout calleeSaveInfo = info.getCalleeSaveInfo(); if (calleeSaveInfo != null) { sb.append(" callee-save-info["); String sep = ""; for (Map.Entry<Register, Integer> e : calleeSaveInfo.registersToSlots(true).entrySet()) { sb.append(sep).append(e.getKey()).append("->").append(e.getValue()); sep = ", "; } sb.append(']'); } BytecodePosition codePos = info.getBytecodePosition(); if (codePos != null) { MetaUtil.appendLocation(sb.append(" "), codePos.getMethod(), codePos.getBCI()); if (info.hasFrame()) { sb.append(" #locals=").append(info.frame().numLocals).append(" #expr=").append(info.frame().numStack); if (info.frame().numLocks > 0) { sb.append(" #locks=").append(info.frame().numLocks); } } } } } }