Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/VMField.java @ 23686:50465926fbeb jvmci-0.12
make all HotSpotVMConfigAccess subclasses and their members package-private
remove toString methods from HotSpotVMConfigAccess subclasses
remove HotSpotVMConfigVerifier
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 15 Jun 2016 15:29:38 +0200 |
parents | b5557b757040 |
children | 1439a6614a10 |
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/* * Copyright (c) 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.hotspot; /** * Describes a C++ field exposed via {@link HotSpotVMConfigAccess}. */ public final class VMField { /** * Fully qualified name of the represented field (e.g., "Klass::_name"). */ public final String name; /** * The represented field's type (e.g., "Symbol*"). This may be {@code null}. */ public final String type; /** * If represented field is non-static, this is its offset within the containing structure. */ public final long offset; /** * If represented field is static, this is its address. Otherwise, this field is 0. */ public final long address; /** * Value of the field represented as a boxed long; only valid for non-oop static fields. This * value is only captured once, during JVMCI initialization. If {@link #type} cannot be * meaningfully (e.g., a struct) or safely (e.g., an oop) expressed as a boxed long, this is * {@code null}. */ public final Long value; /** * Determines if the represented field is static. */ public boolean isStatic() { return address != 0; } /** * Creates a description of a non-static field. */ public VMField(String name, String type, long offset) { this.name = name; this.type = type; this.offset = offset; this.address = 0; this.value = null; } /** * Creates a description of a static field. */ public VMField(String name, String type, long address, Long value) { this.name = name; this.type = type; this.offset = 0; this.address = address; this.value = value; } @Override public String toString() { String val = value == null ? "null" : String.format("0x%x", value); return String.format("Field[name=%s, type=%s, offset=%d, address=0x%x, value=%s]", name, type, offset, address, val); } }