Mercurial > hg > truffle
view graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/ForeignCallsProvider.java @ 17216:7d8bb35e67c8
Merge
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Thu, 25 Sep 2014 09:42:28 -0700 |
parents | 78e5badf4b8e |
children | cc291e4c5564 |
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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.graal.api.code; import com.oracle.graal.api.meta.*; /** * 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_LOCATION} 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); }