Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVmSymbols.java @ 23387:a920338dd4d4
remove JVMCIError and UnsafeUtil classes (JDK-8156759)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 11 May 2016 15:54:36 +0200 |
parents | 90da61843aa4 |
children | 9e1235406b59 |
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/* * Copyright (c) 2014, 2015, 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.hotspot; import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime; import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE; import sun.misc.Unsafe; /** * Class to access the C++ {@code vmSymbols} table. */ final class HotSpotVmSymbols { /** * Returns the symbol in the {@code vmSymbols} table at position {@code index} as {@link String} * . * * @param index position in the symbol table * @return the symbol at position id */ static String symbolAt(int index) { HotSpotJVMCIRuntimeProvider runtime = runtime(); HotSpotVMConfig config = runtime.getConfig(); assert config.vmSymbolsFirstSID <= index && index < config.vmSymbolsSIDLimit : "index " + index + " is out of bounds"; assert config.symbolPointerSize == Unsafe.ADDRESS_SIZE : "the following address read is broken"; return runtime.getCompilerToVM().getSymbol(UNSAFE.getAddress(config.vmSymbolsSymbols + index * config.symbolPointerSize)); } }