1 /*
2 * Copyright (c) 2012, 2015, 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 package org.graalvm.compiler.hotspot.amd64;
24
25 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER_IN_CALLER;
26 import static jdk.vm.ci.amd64.AMD64.rbp;
27 import static jdk.vm.ci.code.ValueUtil.isStackSlot;
28
29 import org.graalvm.compiler.core.amd64.AMD64NodeLIRBuilder;
30 import org.graalvm.compiler.core.amd64.AMD64NodeMatchRules;
31 import org.graalvm.compiler.core.common.LIRKind;
32 import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
33 import org.graalvm.compiler.core.gen.DebugInfoBuilder;
34 import org.graalvm.compiler.debug.Debug;
35 import org.graalvm.compiler.hotspot.HotSpotDebugInfoBuilder;
36 import org.graalvm.compiler.hotspot.HotSpotLIRGenerator;
37 import org.graalvm.compiler.hotspot.HotSpotLockStack;
38 import org.graalvm.compiler.hotspot.HotSpotNodeLIRBuilder;
39 import org.graalvm.compiler.hotspot.nodes.HotSpotDirectCallTargetNode;
40 import org.graalvm.compiler.hotspot.nodes.HotSpotIndirectCallTargetNode;
41 import org.graalvm.compiler.lir.LIRFrameState;
42 import org.graalvm.compiler.lir.Variable;
43 import org.graalvm.compiler.lir.amd64.AMD64BreakpointOp;
44 import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
45 import org.graalvm.compiler.nodes.BreakpointNode;
46 import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind;
47 import org.graalvm.compiler.nodes.DirectCallTargetNode;
48 import org.graalvm.compiler.nodes.FullInfopointNode;
49 import org.graalvm.compiler.nodes.IndirectCallTargetNode;
50 import org.graalvm.compiler.nodes.ParameterNode;
51 import org.graalvm.compiler.nodes.SafepointNode;
52 import org.graalvm.compiler.nodes.StructuredGraph;
53 import org.graalvm.compiler.nodes.ValueNode;
54 import org.graalvm.compiler.nodes.spi.NodeValueMap;
55
56 import jdk.vm.ci.amd64.AMD64;
57 import jdk.vm.ci.amd64.AMD64Kind;
58 import jdk.vm.ci.code.BytecodeFrame;
59 import jdk.vm.ci.code.CallingConvention;
60 import jdk.vm.ci.code.Register;
61 import jdk.vm.ci.code.RegisterValue;
62 import jdk.vm.ci.code.StackSlot;
63 import jdk.vm.ci.code.ValueUtil;
64 import jdk.vm.ci.hotspot.HotSpotCallingConventionType;
65 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
66 import jdk.vm.ci.meta.AllocatableValue;
67 import jdk.vm.ci.meta.JavaType;
68 import jdk.vm.ci.meta.Value;
69
70 /**
71 * LIR generator specialized for AMD64 HotSpot.
72 */
73 public class AMD64HotSpotNodeLIRBuilder extends AMD64NodeLIRBuilder implements HotSpotNodeLIRBuilder {
74
75 public AMD64HotSpotNodeLIRBuilder(StructuredGraph graph, LIRGeneratorTool gen, AMD64NodeMatchRules nodeMatchRules) {
76 super(graph, gen, nodeMatchRules);
77 assert gen instanceof AMD64HotSpotLIRGenerator;
78 assert getDebugInfoBuilder() instanceof HotSpotDebugInfoBuilder;
79 ((AMD64HotSpotLIRGenerator) gen).setDebugInfoBuilder(((HotSpotDebugInfoBuilder) getDebugInfoBuilder()));
80 }
81
82 private AMD64HotSpotLIRGenerator getGen() {
83 return (AMD64HotSpotLIRGenerator) gen;
84 }
85
86 @Override
87 protected DebugInfoBuilder createDebugInfoBuilder(StructuredGraph graph, NodeValueMap nodeValueMap) {
88 HotSpotLockStack lockStack = new HotSpotLockStack(gen.getResult().getFrameMapBuilder(), LIRKind.value(AMD64Kind.QWORD));
89 return new HotSpotDebugInfoBuilder(nodeValueMap, lockStack, (HotSpotLIRGenerator) gen);
90 }
91
92 @Override
93 protected void emitPrologue(StructuredGraph graph) {
94
95 CallingConvention incomingArguments = gen.getResult().getCallingConvention();
96
97 Value[] params = new Value[incomingArguments.getArgumentCount() + 1];
98 for (int i = 0; i < params.length - 1; i++) {
99 params[i] = incomingArguments.getArgument(i);
100 if (isStackSlot(params[i])) {
101 StackSlot slot = ValueUtil.asStackSlot(params[i]);
102 if (slot.isInCallerFrame() && !gen.getResult().getLIR().hasArgInCallerFrame()) {
103 gen.getResult().getLIR().setHasArgInCallerFrame();
104 }
105 }
106 }
107 params[params.length - 1] = rbp.asValue(LIRKind.value(AMD64Kind.QWORD));
108
109 gen.emitIncomingValues(params);
110
111 getGen().emitSaveRbp();
112
113 getGen().append(((HotSpotDebugInfoBuilder) getDebugInfoBuilder()).lockStack());
114
115 for (ParameterNode param : graph.getNodes(ParameterNode.TYPE)) {
116 Value paramValue = params[param.index()];
117 assert paramValue.getValueKind().equals(getLIRGeneratorTool().getLIRKind(param.stamp())) : paramValue.getValueKind() + " != " + param.stamp();
118 setResult(param, gen.emitMove(paramValue));
119 }
120 }
121
122 @Override
123 public void visitSafepointNode(SafepointNode i) {
124 LIRFrameState info = state(i);
125 append(new AMD64HotSpotSafepointOp(info, getGen().config, this));
126 }
127
128 @Override
129 protected void emitDirectCall(DirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
130 InvokeKind invokeKind = ((HotSpotDirectCallTargetNode) callTarget).invokeKind();
131 if (invokeKind.isIndirect()) {
132 append(new AMD64HotspotDirectVirtualCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind, getGen().config));
133 } else {
134 assert invokeKind.isDirect();
135 HotSpotResolvedJavaMethod resolvedMethod = (HotSpotResolvedJavaMethod) callTarget.targetMethod();
136 assert resolvedMethod.isConcrete() : "Cannot make direct call to abstract method.";
137 append(new AMD64HotSpotDirectStaticCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind, getGen().config));
138 }
139 }
140
141 @Override
142 protected void emitIndirectCall(IndirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
143 if (callTarget instanceof HotSpotIndirectCallTargetNode) {
144 Value metaspaceMethodSrc = operand(((HotSpotIndirectCallTargetNode) callTarget).metaspaceMethod());
145 Value targetAddressSrc = operand(callTarget.computedAddress());
146 AllocatableValue metaspaceMethodDst = AMD64.rbx.asValue(metaspaceMethodSrc.getValueKind());
147 AllocatableValue targetAddressDst = AMD64.rax.asValue(targetAddressSrc.getValueKind());
148 gen.emitMove(metaspaceMethodDst, metaspaceMethodSrc);
149 gen.emitMove(targetAddressDst, targetAddressSrc);
150 append(new AMD64IndirectCallOp(callTarget.targetMethod(), result, parameters, temps, metaspaceMethodDst, targetAddressDst, callState, getGen().config));
151 } else {
152 super.emitIndirectCall(callTarget, result, parameters, temps, callState);
153 }
154 }
155
156 @Override
157 public void emitPatchReturnAddress(ValueNode address) {
158 append(new AMD64HotSpotPatchReturnAddressOp(gen.load(operand(address))));
159 }
160
161 @Override
162 public void emitJumpToExceptionHandlerInCaller(ValueNode handlerInCallerPc, ValueNode exception, ValueNode exceptionPc) {
163 Variable handler = gen.load(operand(handlerInCallerPc));
164 ForeignCallLinkage linkage = gen.getForeignCalls().lookupForeignCall(EXCEPTION_HANDLER_IN_CALLER);
165 CallingConvention outgoingCc = linkage.getOutgoingCallingConvention();
166 assert outgoingCc.getArgumentCount() == 2;
167 RegisterValue exceptionFixed = (RegisterValue) outgoingCc.getArgument(0);
168 RegisterValue exceptionPcFixed = (RegisterValue) outgoingCc.getArgument(1);
169 gen.emitMove(exceptionFixed, operand(exception));
170 gen.emitMove(exceptionPcFixed, operand(exceptionPc));
171 Register thread = getGen().getProviders().getRegisters().getThreadRegister();
172 AMD64HotSpotJumpToExceptionHandlerInCallerOp op = new AMD64HotSpotJumpToExceptionHandlerInCallerOp(handler, exceptionFixed, exceptionPcFixed, getGen().config.threadIsMethodHandleReturnOffset,
173 thread);
174 append(op);
175 }
176
177 @Override
178 public void visitFullInfopointNode(FullInfopointNode i) {
179 if (i.getState() != null && i.getState().bci == BytecodeFrame.AFTER_BCI) {
180 Debug.log("Ignoring InfopointNode for AFTER_BCI");
181 } else {
182 super.visitFullInfopointNode(i);
183 }
184 }
185
186 @Override
187 public void visitBreakpointNode(BreakpointNode node) {
188 JavaType[] sig = new JavaType[node.arguments().size()];
189 for (int i = 0; i < sig.length; i++) {
190 sig[i] = node.arguments().get(i).stamp().javaType(gen.getMetaAccess());
191 }
192
193 Value[] parameters = visitInvokeArguments(gen.getResult().getFrameMapBuilder().getRegisterConfig().getCallingConvention(HotSpotCallingConventionType.JavaCall, null, sig, gen),
194 node.arguments());
195 append(new AMD64BreakpointOp(parameters));
196 }
197 }