1 /*
2 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24
25 package org.graalvm.compiler.hotspot.meta;
26
27 import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime;
28
29 import java.lang.reflect.Type;
30 import java.util.function.Predicate;
31
32 import org.graalvm.compiler.core.common.GraalOptions;
33 import org.graalvm.compiler.debug.GraalError;
34 import org.graalvm.compiler.graph.Node;
35 import org.graalvm.compiler.graph.iterators.NodeIterable;
36 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
37 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
38 import org.graalvm.compiler.hotspot.phases.AheadOfTimeVerificationPhase;
39 import org.graalvm.compiler.nodes.ConstantNode;
40 import org.graalvm.compiler.nodes.FrameState;
41 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
42 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;
43 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;
44 import org.graalvm.compiler.nodes.type.StampTool;
45 import org.graalvm.compiler.phases.tiers.CompilerConfiguration;
46 import org.graalvm.compiler.replacements.nodes.MacroNode;
47
48 import jdk.vm.ci.meta.JavaKind;
49 import jdk.vm.ci.meta.ResolvedJavaType;
50
51 /**
52 * Extension of {@link InvocationPlugins} that disables plugins based on runtime configuration.
53 */
54 final class HotSpotInvocationPlugins extends InvocationPlugins {
55 private final HotSpotGraalRuntimeProvider graalRuntime;
56 private final GraalHotSpotVMConfig config;
57 private final Predicate<ResolvedJavaType> intrinsificationPredicate;
58
59 HotSpotInvocationPlugins(HotSpotGraalRuntimeProvider graalRuntime, GraalHotSpotVMConfig config, CompilerConfiguration compilerConfiguration) {
60 this.graalRuntime = graalRuntime;
61 this.config = config;
62 this.intrinsificationPredicate = runtime().getIntrinsificationTrustPredicate(compilerConfiguration.getClass());
63 }
64
65 @Override
66 protected void register(InvocationPlugin plugin, boolean isOptional, boolean allowOverwrite, Type declaringClass, String name, Type... argumentTypes) {
67 if (!config.usePopCountInstruction) {
68 if (name.equals("bitCount")) {
69 assert declaringClass.equals(Integer.class) || declaringClass.equals(Long.class);
70 return;
71 }
72 }
73 super.register(plugin, isOptional, allowOverwrite, declaringClass, name, argumentTypes);
74 }
75
76 @Override
77 public void checkNewNodes(GraphBuilderContext b, InvocationPlugin plugin, NodeIterable<Node> newNodes) {
78 for (Node node : newNodes) {
79 if (node instanceof MacroNode) {
80 // MacroNode based plugins can only be used for inlining since they
81 // require a valid bci should they need to replace themselves with
82 // an InvokeNode during lowering.
83 assert plugin.inlineOnly() : String.format("plugin that creates a %s (%s) must return true for inlineOnly(): %s", MacroNode.class.getSimpleName(), node, plugin);
84 }
85 }
86 if (GraalOptions.ImmutableCode.getValue(b.getOptions())) {
87 for (Node node : newNodes) {
88 if (node.hasUsages() && node instanceof ConstantNode) {
89 ConstantNode c = (ConstantNode) node;
90 if (c.getStackKind() == JavaKind.Object && AheadOfTimeVerificationPhase.isIllegalObjectConstant(c)) {
91 if (isClass(c)) {
92 // This will be handled later by LoadJavaMirrorWithKlassPhase
93 } else {
94 // Tolerate uses in unused FrameStates
95 if (node.usages().filter((n) -> !(n instanceof FrameState) || n.hasUsages()).isNotEmpty()) {
96 throw new AssertionError("illegal constant node in AOT: " + node);
97 }
98 }
99 }
100 }
101 }
102 }
103 super.checkNewNodes(b, plugin, newNodes);
104 }
105
106 private static boolean isClass(ConstantNode node) {
107 ResolvedJavaType type = StampTool.typeOrNull(node);
108 return type != null && "Ljava/lang/Class;".equals(type.getName());
109 }
110
111 @Override
112 public boolean canBeIntrinsified(ResolvedJavaType declaringClass) {
113 if (!intrinsificationPredicate.test(declaringClass)) {
114 if (graalRuntime.isBootstrapping()) {
115 throw GraalError.shouldNotReachHere("Class declaring a method for which a Graal intrinsic is available should be trusted for intrinsification: " + declaringClass.toJavaName());
116 }
117 return false;
118 }
119 return true;
120
121 }
122 }