Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/RuntimeCallTarget.java @ 7814:bab2a51f8dbe
Introduce marker interface InvokeTarget. Remove method lookupRuntimeCall from CodeCacheProvider.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 18 Feb 2013 20:21:09 -0800 |
parents | 5e3d1a68664e |
children | 1fa6536416db |
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/* * Copyright (c) 2009, 2012, 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 com.oracle.graal.api.code; import java.util.*; import com.oracle.graal.api.meta.*; /** * The name, signature and calling convention of a call from compiled code to the runtime. The * target of such a call may be a leaf stub or a call into the runtime code proper. */ public interface RuntimeCallTarget extends InvokeTarget { /** * The name and signature of a runtime call. */ public static class Descriptor { private final String name; private final boolean hasSideEffect; private final Class resultType; private final Class[] argumentTypes; public Descriptor(String name, boolean hasSideEffect, Class resultType, Class... argumentTypes) { this.name = name; this.hasSideEffect = hasSideEffect; this.resultType = resultType; this.argumentTypes = argumentTypes; } /** * Gets the name of this runtime call. */ public String getName() { return name; } /** * Determines if this call changes state visible to other threads. Such calls denote * boundaries across which deoptimization points cannot be moved. */ public boolean hasSideEffect() { return hasSideEffect; } /** * Gets the return kind of this runtime call. */ public Class getResultType() { return resultType; } /** * Gets the argument kinds of this runtime call. */ public Class[] getArgumentTypes() { return argumentTypes.clone(); } @Override public int hashCode() { return name.hashCode(); } @Override public boolean equals(Object obj) { if (obj instanceof Descriptor) { Descriptor nas = (Descriptor) obj; return nas.name.equals(name) && nas.resultType.equals(resultType) && Arrays.equals(nas.argumentTypes, argumentTypes); } return false; } @Override public String toString() { StringBuilder sb = new StringBuilder(name).append('('); String sep = ""; for (Class arg : argumentTypes) { sb.append(sep).append(arg.getSimpleName()); sep = ","; } return sb.append(')').append(resultType.getSimpleName()).toString(); } } CallingConvention getCallingConvention(); /** * Returns the maximum absolute offset of PC relative call to this stub from any position in the * code cache or -1 when not applicable. Intended for determining the required size of * address/offset fields. */ long getMaxCallTargetOffset(); Descriptor getDescriptor(); }