1 /*
2 * Copyright (c) 2013, 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.sparc;
24
25 import static jdk.vm.ci.sparc.SPARC.g5;
26 import static jdk.vm.ci.sparc.SPARC.o7;
27 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER_IN_CALLER;
28
29 import org.graalvm.compiler.core.common.LIRKind;
30 import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
31 import org.graalvm.compiler.core.gen.DebugInfoBuilder;
32 import org.graalvm.compiler.core.sparc.SPARCNodeLIRBuilder;
33 import org.graalvm.compiler.core.sparc.SPARCNodeMatchRules;
34 import org.graalvm.compiler.hotspot.HotSpotDebugInfoBuilder;
35 import org.graalvm.compiler.hotspot.HotSpotLIRGenerator;
36 import org.graalvm.compiler.hotspot.HotSpotLockStack;
37 import org.graalvm.compiler.hotspot.HotSpotNodeLIRBuilder;
38 import org.graalvm.compiler.hotspot.nodes.HotSpotDirectCallTargetNode;
39 import org.graalvm.compiler.hotspot.nodes.HotSpotIndirectCallTargetNode;
40 import org.graalvm.compiler.lir.LIRFrameState;
41 import org.graalvm.compiler.lir.Variable;
42 import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
43 import org.graalvm.compiler.lir.sparc.SPARCBreakpointOp;
44 import org.graalvm.compiler.nodes.BreakpointNode;
45 import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind;
46 import org.graalvm.compiler.nodes.DirectCallTargetNode;
47 import org.graalvm.compiler.nodes.FullInfopointNode;
48 import org.graalvm.compiler.nodes.IndirectCallTargetNode;
49 import org.graalvm.compiler.nodes.SafepointNode;
50 import org.graalvm.compiler.nodes.StructuredGraph;
51 import org.graalvm.compiler.nodes.ValueNode;
52 import org.graalvm.compiler.nodes.spi.NodeValueMap;
53
54 import jdk.vm.ci.code.BytecodeFrame;
55 import jdk.vm.ci.code.CallingConvention;
56 import jdk.vm.ci.code.Register;
57 import jdk.vm.ci.code.RegisterValue;
58 import jdk.vm.ci.hotspot.HotSpotCallingConventionType;
59 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
60 import jdk.vm.ci.meta.AllocatableValue;
61 import jdk.vm.ci.meta.JavaType;
62 import jdk.vm.ci.meta.Value;
63 import jdk.vm.ci.sparc.SPARCKind;
64
65 public class SPARCHotSpotNodeLIRBuilder extends SPARCNodeLIRBuilder implements HotSpotNodeLIRBuilder {
66
67 public SPARCHotSpotNodeLIRBuilder(StructuredGraph graph, LIRGeneratorTool lirGen, SPARCNodeMatchRules nodeMatchRules) {
68 super(graph, lirGen, nodeMatchRules);
69 assert gen instanceof SPARCHotSpotLIRGenerator;
70 assert getDebugInfoBuilder() instanceof HotSpotDebugInfoBuilder;
71 ((SPARCHotSpotLIRGenerator) gen).setDebugInfoBuilder(((HotSpotDebugInfoBuilder) getDebugInfoBuilder()));
72 }
73
74 @Override
75 protected DebugInfoBuilder createDebugInfoBuilder(StructuredGraph graph, NodeValueMap nodeValueMap) {
76 HotSpotLockStack lockStack = new HotSpotLockStack(gen.getResult().getFrameMapBuilder(), LIRKind.value(SPARCKind.XWORD));
77 return new HotSpotDebugInfoBuilder(nodeValueMap, lockStack, (HotSpotLIRGenerator) gen);
78 }
79
80 private SPARCHotSpotLIRGenerator getGen() {
81 return (SPARCHotSpotLIRGenerator) gen;
82 }
83
84 @Override
85 public void visitSafepointNode(SafepointNode i) {
86 LIRFrameState info = state(i);
87 append(new SPARCHotSpotSafepointOp(info, getGen().config, gen));
88 }
89
90 @Override
91 protected void emitDirectCall(DirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
92 InvokeKind invokeKind = ((HotSpotDirectCallTargetNode) callTarget).invokeKind();
93 if (invokeKind.isIndirect()) {
94 append(new SPARCHotspotDirectVirtualCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind, getGen().config));
95 } else {
96 assert invokeKind.isDirect();
97 HotSpotResolvedJavaMethod resolvedMethod = (HotSpotResolvedJavaMethod) callTarget.targetMethod();
98 assert resolvedMethod.isConcrete() : "Cannot make direct call to abstract method.";
99 append(new SPARCHotspotDirectStaticCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind, getGen().config));
100 }
101 }
102
103 @Override
104 protected void emitIndirectCall(IndirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
105 Value metaspaceMethodSrc = operand(((HotSpotIndirectCallTargetNode) callTarget).metaspaceMethod());
106 AllocatableValue metaspaceMethod = g5.asValue(metaspaceMethodSrc.getValueKind());
107 gen.emitMove(metaspaceMethod, metaspaceMethodSrc);
108
109 Value targetAddressSrc = operand(callTarget.computedAddress());
110 AllocatableValue targetAddress = o7.asValue(targetAddressSrc.getValueKind());
111 gen.emitMove(targetAddress, targetAddressSrc);
112 append(new SPARCIndirectCallOp(callTarget.targetMethod(), result, parameters, temps, metaspaceMethod, targetAddress, callState, getGen().config));
113 }
114
115 @Override
116 public void emitPatchReturnAddress(ValueNode address) {
117 append(new SPARCHotSpotPatchReturnAddressOp(gen.load(operand(address))));
118 }
119
120 @Override
121 public void emitJumpToExceptionHandler(ValueNode address) {
122 append(new SPARCHotSpotJumpToExceptionHandlerOp(gen.load(operand(address))));
123 }
124
125 @Override
126 public void emitJumpToExceptionHandlerInCaller(ValueNode handlerInCallerPc, ValueNode exception, ValueNode exceptionPc) {
127 Variable handler = gen.load(operand(handlerInCallerPc));
128 ForeignCallLinkage linkage = gen.getForeignCalls().lookupForeignCall(EXCEPTION_HANDLER_IN_CALLER);
129 CallingConvention linkageCc = linkage.getOutgoingCallingConvention();
130 assert linkageCc.getArgumentCount() == 2;
131 RegisterValue exceptionFixed = (RegisterValue) linkageCc.getArgument(0);
132 RegisterValue exceptionPcFixed = (RegisterValue) linkageCc.getArgument(1);
133 gen.emitMove(exceptionFixed, operand(exception));
134 gen.emitMove(exceptionPcFixed, operand(exceptionPc));
135 Register thread = getGen().getProviders().getRegisters().getThreadRegister();
136 SPARCHotSpotJumpToExceptionHandlerInCallerOp op = new SPARCHotSpotJumpToExceptionHandlerInCallerOp(handler, exceptionFixed, exceptionPcFixed, getGen().config.threadIsMethodHandleReturnOffset,
137 thread);
138 append(op);
139 }
140
141 @Override
142 protected void emitPrologue(StructuredGraph graph) {
143 super.emitPrologue(graph);
144 AllocatableValue var = getGen().getSafepointAddressValue();
145 append(new SPARCHotSpotSafepointOp.SPARCLoadSafepointPollAddress(var, getGen().config));
146 getGen().append(((HotSpotDebugInfoBuilder) getDebugInfoBuilder()).lockStack());
147 }
148
149 @Override
150 public void visitFullInfopointNode(FullInfopointNode i) {
151 if (i.getState() != null && i.getState().bci == BytecodeFrame.AFTER_BCI) {
152 i.getDebug().log("Ignoring InfopointNode for AFTER_BCI");
153 } else {
154 super.visitFullInfopointNode(i);
155 }
156 }
157
158 @Override
159 public void visitBreakpointNode(BreakpointNode node) {
160 JavaType[] sig = new JavaType[node.arguments().size()];
161 for (int i = 0; i < sig.length; i++) {
162 sig[i] = node.arguments().get(i).stamp().javaType(gen.getMetaAccess());
163 }
164
165 Value[] parameters = visitInvokeArguments(gen.getRegisterConfig().getCallingConvention(HotSpotCallingConventionType.JavaCall, null, sig, gen), node.arguments());
166 append(new SPARCBreakpointOp(parameters));
167 }
168 }