Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/AssertionSnippets.java @ 18699:08b17b738500
Add hooks for verifying heap from generated code
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Tue, 16 Dec 2014 13:36:16 -0800 |
parents | f1e4ed5ac7d2 |
children | 48c1ebd24120 |
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/* * Copyright (c) 2014, 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.replacements; import static com.oracle.graal.hotspot.nodes.CStringNode.*; import static com.oracle.graal.replacements.SnippetTemplate.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.Node.ConstantNodeParameter; import com.oracle.graal.graph.Node.NodeIntrinsic; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.hotspot.nodes.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.replacements.*; import com.oracle.graal.replacements.Snippet.ConstantParameter; import com.oracle.graal.replacements.SnippetTemplate.AbstractTemplates; import com.oracle.graal.replacements.SnippetTemplate.Arguments; import com.oracle.graal.replacements.SnippetTemplate.SnippetInfo; import com.oracle.graal.replacements.nodes.*; import com.oracle.graal.word.*; public class AssertionSnippets implements Snippets { /** * This call can only be used with true for the "vmError" parameter, so that it can be * configured to be a leaf method. */ public static final ForeignCallDescriptor ASSERTION_VM_MESSAGE_C = new ForeignCallDescriptor("assertionVmMessageC", void.class, boolean.class, Word.class, long.class, long.class, long.class); @Snippet public static void assertion(boolean value, @ConstantParameter String message) { if (!value) { vmMessageC(ASSERTION_VM_MESSAGE_C, true, cstring(message), 0L, 0L, 0L); } } @Snippet public static void stubAssertion(boolean value, @ConstantParameter String message) { if (!value) { vmMessageC(ASSERTION_VM_MESSAGE_C, true, cstring(message), 0L, 0L, 0L); } } @NodeIntrinsic(ForeignCallNode.class) static native void vmMessageC(@ConstantNodeParameter ForeignCallDescriptor stubPrintfC, boolean vmError, Word format, long v1, long v2, long v3); public static class Templates extends AbstractTemplates { private final SnippetInfo assertion = snippet(AssertionSnippets.class, "assertion"); private final SnippetInfo stubAssertion = snippet(AssertionSnippets.class, "stubAssertion"); public Templates(HotSpotProviders providers, TargetDescription target) { super(providers, providers.getSnippetReflection(), target); } public void lower(AssertionNode assertionNode, LoweringTool tool) { StructuredGraph graph = assertionNode.graph(); Arguments args = new Arguments(graph.start() instanceof StubStartNode ? stubAssertion : assertion, graph.getGuardsStage(), tool.getLoweringStage()); args.add("value", assertionNode.value()); args.addConst("message", "failed runtime assertion in snippet/stub: " + assertionNode.message() + " (" + graph.method() + ")"); template(args).instantiate(providers.getMetaAccess(), assertionNode, DEFAULT_REPLACER, args); } } }