Mercurial > hg > truffle
view graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/ForeignCallsProvider.java @ 21762:1025d6dc645a
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 06 Jun 2015 15:13:09 +0200 |
parents | 48c1ebd24120 |
children |
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/* * Copyright (c) 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.code; import com.oracle.jvmci.meta.LocationIdentity; import com.oracle.jvmci.meta.ForeignCallDescriptor; /** * Details about a set of supported {@link ForeignCallDescriptor foreign calls}. */ public interface ForeignCallsProvider { /** * Determines if a given foreign call is side-effect free. Deoptimization cannot return * execution to a point before a foreign call that has a side effect. */ boolean isReexecutable(ForeignCallDescriptor descriptor); /** * Gets the set of memory locations killed by a given foreign call. Returning the special value * {@link LocationIdentity#any()} denotes that the call kills all memory locations. Returning * any empty array denotes that the call does not kill any memory locations. */ LocationIdentity[] getKilledLocations(ForeignCallDescriptor descriptor); /** * Determines if deoptimization can occur during a given foreign call. */ boolean canDeoptimize(ForeignCallDescriptor descriptor); /** * Gets the linkage for a foreign call. */ ForeignCallLinkage lookupForeignCall(ForeignCallDescriptor descriptor); }