Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/SnippetStub.java @ 9654:18632807db02
RuntimeStub installation support is now more distinct from normal nmethod installation
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Mon, 13 May 2013 11:21:24 +0200 |
parents | e97dc9bbfedc |
children | c4b1aa93b9af |
line wrap: on
line source
/* * Copyright (c) 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.hotspot.stubs; import static com.oracle.graal.api.meta.MetaUtil.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.replacements.Snippet.ConstantParameter; import com.oracle.graal.replacements.*; import com.oracle.graal.replacements.SnippetTemplate.AbstractTemplates; import com.oracle.graal.replacements.SnippetTemplate.Arguments; import com.oracle.graal.replacements.SnippetTemplate.SnippetInfo; /** * Base class for a stub defined by a snippet. */ public abstract class SnippetStub extends Stub implements Snippets { static class Template extends AbstractTemplates { Template(HotSpotRuntime runtime, Replacements replacements, TargetDescription target, Class<? extends Snippets> declaringClass) { super(runtime, replacements, target); this.info = snippet(declaringClass, null); } /** * Info for the method implementing the stub. */ protected final SnippetInfo info; protected StructuredGraph getGraph(Arguments args) { SnippetTemplate template = template(args); return template.copySpecializedGraph(); } } protected final Template snippet; /** * Creates a new snippet stub. * * @param linkage linkage details for a call to the stub */ public SnippetStub(HotSpotRuntime runtime, Replacements replacements, TargetDescription target, HotSpotRuntimeCallTarget linkage) { super(runtime, replacements, linkage); this.snippet = new Template(runtime, replacements, target, getClass()); } @Override protected StructuredGraph getGraph() { return snippet.getGraph(makeArguments(snippet.info)); } /** * Adds the {@linkplain ConstantParameter constant} arguments of this stub. */ protected abstract Arguments makeArguments(SnippetInfo stub); @Override protected Object debugScopeContext() { return getInstalledCodeOwner(); } @Override public ResolvedJavaMethod getInstalledCodeOwner() { return snippet.info.getMethod(); } @Override public String toString() { return "Stub<" + format("%h.%n", getInstalledCodeOwner()) + ">"; } }