Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/RuntimeCall.java @ 6521:2a0c9f20baa1
consolidated framework for runtime and stub calls and moved declaration of descriptors for such calls to the source file in which they are used
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Fri, 05 Oct 2012 17:55:12 +0200 |
parents | c8759f9f9e3c |
children | feb579677b58 |
line wrap: on
line source
/* * 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 RuntimeCall { /** * The name and signature of a runtime call. */ public static class Descriptor { private final String name; private final Kind resultKind; private final Kind[] argumentKinds; public Descriptor(String name, Kind resultKind, Kind... args) { this.name = name; this.resultKind = resultKind; this.argumentKinds = args; } /** * Gets the name of this runtime call. */ public String getName() { return name; } /** * Gets the return kind of this runtime call. */ public Kind getResultKind() { return resultKind; } /** * Gets the argument kinds of this runtime call. */ public Kind[] getArgumentKinds() { return argumentKinds.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.resultKind.equals(resultKind) && Arrays.equals(nas.argumentKinds, argumentKinds); } return false; } @Override public String toString() { StringBuilder sb = new StringBuilder(name).append('('); String sep = ""; for (Kind arg : argumentKinds) { sb.append(sep).append(arg); sep = ","; } return sb.append(')').append(resultKind).toString(); } } CallingConvention getCallingConvention(); /** * Determines if this call changes state visible to other threads. * Such calls denote boundaries across which deoptimization * points cannot be moved. */ boolean hasSideEffect(); /** * 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(); }