1 /*
2 * Copyright (c) 2012, 2018, 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.amd64;
26
27 import static jdk.vm.ci.amd64.AMD64.r10;
28 import static jdk.vm.ci.amd64.AMD64.rax;
29 import static jdk.vm.ci.amd64.AMD64.rsp;
30 import static jdk.vm.ci.code.ValueUtil.asRegister;
31 import static org.graalvm.compiler.core.common.GraalOptions.CanOmitFrame;
32 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
33 import static org.graalvm.compiler.core.common.GraalOptions.ZapStackOnMethodEntry;
34
35 import jdk.internal.vm.compiler.collections.EconomicSet;
36 import org.graalvm.compiler.asm.Assembler;
37 import org.graalvm.compiler.asm.Label;
38 import org.graalvm.compiler.asm.amd64.AMD64Address;
39 import org.graalvm.compiler.asm.amd64.AMD64Assembler.ConditionFlag;
40 import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler;
41 import org.graalvm.compiler.code.CompilationResult;
42 import org.graalvm.compiler.core.amd64.AMD64NodeMatchRules;
43 import org.graalvm.compiler.core.common.CompilationIdentifier;
44 import org.graalvm.compiler.core.common.LIRKind;
45 import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;
46 import org.graalvm.compiler.core.gen.LIRGenerationProvider;
47 import org.graalvm.compiler.debug.DebugContext;
48 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
49 import org.graalvm.compiler.hotspot.HotSpotDataBuilder;
50 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
51 import org.graalvm.compiler.hotspot.HotSpotHostBackend;
52 import org.graalvm.compiler.hotspot.HotSpotLIRGenerationResult;
53 import org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction;
54 import org.graalvm.compiler.hotspot.meta.HotSpotForeignCallsProvider;
55 import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
56 import org.graalvm.compiler.hotspot.stubs.Stub;
57 import org.graalvm.compiler.lir.LIR;
58 import org.graalvm.compiler.lir.amd64.AMD64Call;
59 import org.graalvm.compiler.lir.amd64.AMD64FrameMap;
60 import org.graalvm.compiler.lir.amd64.AMD64FrameMapBuilder;
61 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
62 import org.graalvm.compiler.lir.asm.CompilationResultBuilderFactory;
63 import org.graalvm.compiler.lir.asm.DataBuilder;
74 import jdk.vm.ci.amd64.AMD64Kind;
75 import jdk.vm.ci.code.CallingConvention;
76 import jdk.vm.ci.code.Register;
77 import jdk.vm.ci.code.RegisterConfig;
78 import jdk.vm.ci.code.StackSlot;
79 import jdk.vm.ci.hotspot.HotSpotCallingConventionType;
80 import jdk.vm.ci.hotspot.HotSpotSentinelConstant;
81 import jdk.vm.ci.meta.JavaKind;
82 import jdk.vm.ci.meta.JavaType;
83 import jdk.vm.ci.meta.ResolvedJavaMethod;
84
85 /**
86 * HotSpot AMD64 specific backend.
87 */
88 public class AMD64HotSpotBackend extends HotSpotHostBackend implements LIRGenerationProvider {
89
90 public AMD64HotSpotBackend(GraalHotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime, HotSpotProviders providers) {
91 super(config, runtime, providers);
92 }
93
94 private FrameMapBuilder newFrameMapBuilder(RegisterConfig registerConfig) {
95 RegisterConfig registerConfigNonNull = registerConfig == null ? getCodeCache().getRegisterConfig() : registerConfig;
96 FrameMap frameMap = new AMD64FrameMap(getCodeCache(), registerConfigNonNull, this);
97 return new AMD64FrameMapBuilder(frameMap, getCodeCache(), registerConfigNonNull);
98 }
99
100 @Override
101 public LIRGeneratorTool newLIRGenerator(LIRGenerationResult lirGenRes) {
102 return new AMD64HotSpotLIRGenerator(getProviders(), config, lirGenRes);
103 }
104
105 @Override
106 public LIRGenerationResult newLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, RegisterConfig registerConfig, StructuredGraph graph, Object stub) {
107 return new HotSpotLIRGenerationResult(compilationId, lir, newFrameMapBuilder(registerConfig), makeCallingConvention(graph, (Stub) stub), stub,
108 config.requiresReservedStackCheck(graph.getMethods()));
109 }
110
111 @Override
112 public NodeLIRBuilderTool newNodeLIRBuilder(StructuredGraph graph, LIRGeneratorTool lirGen) {
113 return new AMD64HotSpotNodeLIRBuilder(graph, lirGen, new AMD64NodeMatchRules(lirGen));
114 }
115
116 @Override
117 protected void bangStackWithOffset(CompilationResultBuilder crb, int bangOffset) {
118 AMD64MacroAssembler asm = (AMD64MacroAssembler) crb.asm;
119 int pos = asm.position();
120 asm.movl(new AMD64Address(rsp, -bangOffset), AMD64.rax);
121 assert asm.position() - pos >= PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE;
122 }
123
124 /**
125 * The size of the instruction used to patch the verified entry point of an nmethod when the
126 * nmethod is made non-entrant or a zombie (e.g. during deopt or class unloading). The first
127 * instruction emitted at an nmethod's verified entry point must be at least this length to
128 * ensure mt-safe patching.
129 */
130 public static final int PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE = 5;
131
202 HotSpotLIRGenerationResult gen = (HotSpotLIRGenerationResult) lirGenRen;
203 LIR lir = gen.getLIR();
204 assert gen.getDeoptimizationRescueSlot() == null || frameMap.frameNeedsAllocating() : "method that can deoptimize must have a frame";
205 OptionValues options = lir.getOptions();
206 DebugContext debug = lir.getDebug();
207 boolean omitFrame = CanOmitFrame.getValue(options) && !frameMap.frameNeedsAllocating() && !lir.hasArgInCallerFrame() && !gen.hasForeignCall();
208
209 Stub stub = gen.getStub();
210 Assembler masm = new AMD64MacroAssembler(getTarget());
211 HotSpotFrameContext frameContext = new HotSpotFrameContext(stub != null, omitFrame);
212 DataBuilder dataBuilder = new HotSpotDataBuilder(getCodeCache().getTarget());
213 CompilationResultBuilder crb = factory.createBuilder(getCodeCache(), getForeignCalls(), frameMap, masm, dataBuilder, frameContext, options, debug, compilationResult, Register.None);
214 crb.setTotalFrameSize(frameMap.totalFrameSize());
215 crb.setMaxInterpreterFrameSize(gen.getMaxInterpreterFrameSize());
216 StackSlot deoptimizationRescueSlot = gen.getDeoptimizationRescueSlot();
217 if (deoptimizationRescueSlot != null && stub == null) {
218 crb.compilationResult.setCustomStackAreaOffset(deoptimizationRescueSlot);
219 }
220
221 if (stub != null) {
222 EconomicSet<Register> destroyedCallerRegisters = gatherDestroyedCallerRegisters(lir);
223 updateStub(stub, destroyedCallerRegisters, gen.getCalleeSaveInfo(), frameMap);
224 }
225
226 return crb;
227 }
228
229 @Override
230 public void emitCode(CompilationResultBuilder crb, LIR lir, ResolvedJavaMethod installedCodeOwner) {
231 AMD64MacroAssembler asm = (AMD64MacroAssembler) crb.asm;
232 FrameMap frameMap = crb.frameMap;
233 RegisterConfig regConfig = frameMap.getRegisterConfig();
234 Label verifiedEntry = new Label();
235
236 // Emit the prefix
237 emitCodePrefix(installedCodeOwner, crb, asm, regConfig, verifiedEntry);
238
239 // Emit code for the LIR
240 emitCodeBody(installedCodeOwner, crb, lir);
241
242 // Emit the suffix
243 emitCodeSuffix(installedCodeOwner, crb, asm, frameMap);
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1 /*
2 * Copyright (c) 2012, 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.amd64;
26
27 import static jdk.vm.ci.amd64.AMD64.r10;
28 import static jdk.vm.ci.amd64.AMD64.rax;
29 import static jdk.vm.ci.amd64.AMD64.rsp;
30 import static jdk.vm.ci.code.ValueUtil.asRegister;
31 import static org.graalvm.compiler.core.common.GraalOptions.CanOmitFrame;
32 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
33 import static org.graalvm.compiler.core.common.GraalOptions.ZapStackOnMethodEntry;
34
35 import jdk.internal.vm.compiler.collections.EconomicSet;
36 import org.graalvm.compiler.asm.Assembler;
37 import org.graalvm.compiler.asm.Label;
38 import org.graalvm.compiler.asm.amd64.AMD64Address;
39 import org.graalvm.compiler.asm.amd64.AMD64Assembler.ConditionFlag;
40 import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler;
41 import org.graalvm.compiler.code.CompilationResult;
42 import org.graalvm.compiler.core.amd64.AMD64NodeMatchRules;
43 import org.graalvm.compiler.core.common.LIRKind;
44 import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;
45 import org.graalvm.compiler.core.gen.LIRGenerationProvider;
46 import org.graalvm.compiler.debug.DebugContext;
47 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
48 import org.graalvm.compiler.hotspot.HotSpotDataBuilder;
49 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
50 import org.graalvm.compiler.hotspot.HotSpotHostBackend;
51 import org.graalvm.compiler.hotspot.HotSpotLIRGenerationResult;
52 import org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction;
53 import org.graalvm.compiler.hotspot.meta.HotSpotForeignCallsProvider;
54 import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
55 import org.graalvm.compiler.hotspot.stubs.Stub;
56 import org.graalvm.compiler.lir.LIR;
57 import org.graalvm.compiler.lir.amd64.AMD64Call;
58 import org.graalvm.compiler.lir.amd64.AMD64FrameMap;
59 import org.graalvm.compiler.lir.amd64.AMD64FrameMapBuilder;
60 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
61 import org.graalvm.compiler.lir.asm.CompilationResultBuilderFactory;
62 import org.graalvm.compiler.lir.asm.DataBuilder;
73 import jdk.vm.ci.amd64.AMD64Kind;
74 import jdk.vm.ci.code.CallingConvention;
75 import jdk.vm.ci.code.Register;
76 import jdk.vm.ci.code.RegisterConfig;
77 import jdk.vm.ci.code.StackSlot;
78 import jdk.vm.ci.hotspot.HotSpotCallingConventionType;
79 import jdk.vm.ci.hotspot.HotSpotSentinelConstant;
80 import jdk.vm.ci.meta.JavaKind;
81 import jdk.vm.ci.meta.JavaType;
82 import jdk.vm.ci.meta.ResolvedJavaMethod;
83
84 /**
85 * HotSpot AMD64 specific backend.
86 */
87 public class AMD64HotSpotBackend extends HotSpotHostBackend implements LIRGenerationProvider {
88
89 public AMD64HotSpotBackend(GraalHotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime, HotSpotProviders providers) {
90 super(config, runtime, providers);
91 }
92
93 @Override
94 protected FrameMapBuilder newFrameMapBuilder(RegisterConfig registerConfig) {
95 RegisterConfig registerConfigNonNull = registerConfig == null ? getCodeCache().getRegisterConfig() : registerConfig;
96 FrameMap frameMap = new AMD64FrameMap(getCodeCache(), registerConfigNonNull, this);
97 return new AMD64FrameMapBuilder(frameMap, getCodeCache(), registerConfigNonNull);
98 }
99
100 @Override
101 public LIRGeneratorTool newLIRGenerator(LIRGenerationResult lirGenRes) {
102 return new AMD64HotSpotLIRGenerator(getProviders(), config, lirGenRes);
103 }
104
105 @Override
106 public NodeLIRBuilderTool newNodeLIRBuilder(StructuredGraph graph, LIRGeneratorTool lirGen) {
107 return new AMD64HotSpotNodeLIRBuilder(graph, lirGen, new AMD64NodeMatchRules(lirGen));
108 }
109
110 @Override
111 protected void bangStackWithOffset(CompilationResultBuilder crb, int bangOffset) {
112 AMD64MacroAssembler asm = (AMD64MacroAssembler) crb.asm;
113 int pos = asm.position();
114 asm.movl(new AMD64Address(rsp, -bangOffset), AMD64.rax);
115 assert asm.position() - pos >= PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE;
116 }
117
118 /**
119 * The size of the instruction used to patch the verified entry point of an nmethod when the
120 * nmethod is made non-entrant or a zombie (e.g. during deopt or class unloading). The first
121 * instruction emitted at an nmethod's verified entry point must be at least this length to
122 * ensure mt-safe patching.
123 */
124 public static final int PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE = 5;
125
196 HotSpotLIRGenerationResult gen = (HotSpotLIRGenerationResult) lirGenRen;
197 LIR lir = gen.getLIR();
198 assert gen.getDeoptimizationRescueSlot() == null || frameMap.frameNeedsAllocating() : "method that can deoptimize must have a frame";
199 OptionValues options = lir.getOptions();
200 DebugContext debug = lir.getDebug();
201 boolean omitFrame = CanOmitFrame.getValue(options) && !frameMap.frameNeedsAllocating() && !lir.hasArgInCallerFrame() && !gen.hasForeignCall();
202
203 Stub stub = gen.getStub();
204 Assembler masm = new AMD64MacroAssembler(getTarget());
205 HotSpotFrameContext frameContext = new HotSpotFrameContext(stub != null, omitFrame);
206 DataBuilder dataBuilder = new HotSpotDataBuilder(getCodeCache().getTarget());
207 CompilationResultBuilder crb = factory.createBuilder(getCodeCache(), getForeignCalls(), frameMap, masm, dataBuilder, frameContext, options, debug, compilationResult, Register.None);
208 crb.setTotalFrameSize(frameMap.totalFrameSize());
209 crb.setMaxInterpreterFrameSize(gen.getMaxInterpreterFrameSize());
210 StackSlot deoptimizationRescueSlot = gen.getDeoptimizationRescueSlot();
211 if (deoptimizationRescueSlot != null && stub == null) {
212 crb.compilationResult.setCustomStackAreaOffset(deoptimizationRescueSlot);
213 }
214
215 if (stub != null) {
216 updateStub(stub, gen, frameMap);
217 }
218
219 return crb;
220 }
221
222 @Override
223 public void emitCode(CompilationResultBuilder crb, LIR lir, ResolvedJavaMethod installedCodeOwner) {
224 AMD64MacroAssembler asm = (AMD64MacroAssembler) crb.asm;
225 FrameMap frameMap = crb.frameMap;
226 RegisterConfig regConfig = frameMap.getRegisterConfig();
227 Label verifiedEntry = new Label();
228
229 // Emit the prefix
230 emitCodePrefix(installedCodeOwner, crb, asm, regConfig, verifiedEntry);
231
232 // Emit code for the LIR
233 emitCodeBody(installedCodeOwner, crb, lir);
234
235 // Emit the suffix
236 emitCodeSuffix(installedCodeOwner, crb, asm, frameMap);
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