Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/ForeignCallDescriptor.java @ 21591:6c5327245831
LinearScan: fix intervals context.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Fri, 29 May 2015 10:59:03 +0200 |
parents | 48c1ebd24120 |
children |
line wrap: on
line source
/* * Copyright (c) 2009, 2013, 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.jvmci.meta; import java.util.*; /** * The name and signature of a foreign call. A foreign call differs from a normal compiled Java call * in at least one of these aspects: * <ul> * <li>The call is to C/C++/assembler code.</li> * <li>The call uses different conventions for passing parameters or returning values.</li> * <li>The callee has different register saving semantics. For example, the callee may save all * registers (apart from some specified temporaries) in which case the register allocator doesn't * not need to spill all live registers around the call site.</li> * <li>The call does not occur at an INVOKE* bytecode. Such a call could be transformed into a * standard Java call if the foreign routine is a normal Java method and the runtime supports * linking Java calls at arbitrary bytecodes.</li> * </ul> */ public class ForeignCallDescriptor { private final String name; private final Class<?> resultType; private final Class<?>[] argumentTypes; public ForeignCallDescriptor(String name, Class<?> resultType, Class<?>... argumentTypes) { this.name = name; this.resultType = resultType; this.argumentTypes = argumentTypes; } /** * Gets the name of this foreign call. */ public String getName() { return name; } /** * Gets the return type of this foreign call. */ public Class<?> getResultType() { return resultType; } /** * Gets the argument types of this foreign call. */ public Class<?>[] getArgumentTypes() { return argumentTypes.clone(); } @Override public int hashCode() { return name.hashCode(); } @Override public boolean equals(Object obj) { if (obj instanceof ForeignCallDescriptor) { ForeignCallDescriptor other = (ForeignCallDescriptor) obj; return other.name.equals(name) && other.resultType.equals(resultType) && Arrays.equals(other.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(); } }