author | hannesw |
Fri, 24 May 2019 16:53:44 +0200 | |
changeset 58624 | 26867ad686e9 |
parent 54669 | ad45b3802d4e |
permissions | -rw-r--r-- |
43972 | 1 |
/* |
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
2 |
* Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved. |
43972 | 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 jdk.vm.ci.hotspot; |
|
24 |
||
25 |
import static jdk.vm.ci.hotspot.CompilerToVM.compilerToVM; |
|
26 |
import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime; |
|
27 |
||
28 |
import java.lang.invoke.MethodHandle; |
|
29 |
||
30 |
import jdk.vm.ci.common.JVMCIError; |
|
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
31 |
import jdk.vm.ci.common.NativeImageReinitialize; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
32 |
import jdk.vm.ci.hotspot.HotSpotMethodData.VMState; |
43972 | 33 |
import jdk.vm.ci.meta.ConstantReflectionProvider; |
34 |
import jdk.vm.ci.meta.JavaConstant; |
|
35 |
import jdk.vm.ci.meta.MethodHandleAccessProvider; |
|
36 |
import jdk.vm.ci.meta.ResolvedJavaField; |
|
37 |
import jdk.vm.ci.meta.ResolvedJavaMethod; |
|
38 |
import jdk.vm.ci.meta.ResolvedJavaType; |
|
39 |
||
40 |
public class HotSpotMethodHandleAccessProvider implements MethodHandleAccessProvider { |
|
41 |
||
42 |
private final ConstantReflectionProvider constantReflection; |
|
43 |
||
44 |
public HotSpotMethodHandleAccessProvider(ConstantReflectionProvider constantReflection) { |
|
45 |
this.constantReflection = constantReflection; |
|
46 |
} |
|
47 |
||
48 |
/** |
|
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
49 |
* Lazy initialized reflection on {@link MethodHandle} internals. Field and method lookup is |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
50 |
* only possible after the {@link HotSpotJVMCIRuntime} is fully initialized. |
43972 | 51 |
*/ |
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
52 |
static final class Internals { |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
53 |
final ResolvedJavaType lambdaFormType; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
54 |
final ResolvedJavaField methodHandleFormField; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
55 |
final ResolvedJavaField lambdaFormVmentryField; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
56 |
final HotSpotResolvedJavaField callSiteTargetField; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
57 |
final ResolvedJavaField methodField; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
58 |
final HotSpotResolvedJavaField vmtargetField; |
43972 | 59 |
|
60 |
/** |
|
61 |
* Search for an instance field with the given name in a class. |
|
62 |
* |
|
63 |
* @param declaringType the type declaring the field |
|
64 |
* @param fieldName name of the field to be searched |
|
65 |
* @param fieldType resolved Java type of the field |
|
66 |
* @return resolved Java field |
|
67 |
* @throws NoSuchFieldError |
|
68 |
*/ |
|
69 |
private static ResolvedJavaField findFieldInClass(ResolvedJavaType declaringType, String fieldName, ResolvedJavaType fieldType) { |
|
70 |
ResolvedJavaField[] fields = declaringType.getInstanceFields(false); |
|
71 |
for (ResolvedJavaField field : fields) { |
|
72 |
if (field.getName().equals(fieldName) && field.getType().equals(fieldType)) { |
|
73 |
return field; |
|
74 |
} |
|
75 |
} |
|
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
76 |
throw new NoSuchFieldError(declaringType + "." + fieldName); |
43972 | 77 |
} |
78 |
||
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
79 |
private static ResolvedJavaType resolveType(String className) { |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
80 |
return (ResolvedJavaType) runtime().lookupTypeInternal(className, null, true); |
43972 | 81 |
} |
82 |
||
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
83 |
private Internals() { |
43972 | 84 |
try { |
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
85 |
ResolvedJavaType methodHandleType = resolveType("Ljava/lang/invoke/MethodHandle;"); |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
86 |
ResolvedJavaType memberNameType = resolveType("Ljava/lang/invoke/MemberName;"); |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
87 |
lambdaFormType = resolveType("Ljava/lang/invoke/LambdaForm;"); |
43972 | 88 |
methodHandleFormField = findFieldInClass(methodHandleType, "form", lambdaFormType); |
89 |
lambdaFormVmentryField = findFieldInClass(lambdaFormType, "vmentry", memberNameType); |
|
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
90 |
|
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
91 |
ResolvedJavaType methodType = resolveType("Ljava/lang/invoke/ResolvedMethodName;"); |
46505
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
92 |
methodField = findFieldInClass(memberNameType, "method", methodType); |
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
93 |
vmtargetField = (HotSpotResolvedJavaField) findFieldInClass(methodType, "vmtarget", resolveType(Character.toString(HotSpotJVMCIRuntime.getHostWordKind().getTypeChar()))); |
46505
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
94 |
|
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
95 |
ResolvedJavaType callSiteType = resolveType("Ljava/lang/invoke/CallSite;"); |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
96 |
callSiteTargetField = (HotSpotResolvedJavaField) findFieldInClass(callSiteType, "target", methodHandleType); |
43972 | 97 |
} catch (Throwable ex) { |
98 |
throw new JVMCIError(ex); |
|
99 |
} |
|
100 |
} |
|
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
101 |
|
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
102 |
/** |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
103 |
* Singleton instance lazily initialized via double-checked locking. |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
104 |
*/ |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
105 |
@NativeImageReinitialize private static volatile Internals instance; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
106 |
|
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
107 |
static Internals instance() { |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
108 |
Internals result = instance; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
109 |
if (result == null) { |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
110 |
synchronized (VMState.class) { |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
111 |
result = instance; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
112 |
if (result == null) { |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
113 |
instance = result = new Internals(); |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
114 |
} |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
115 |
} |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
116 |
} |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
117 |
return result; |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
118 |
} |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
119 |
|
43972 | 120 |
} |
121 |
||
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
122 |
|
43972 | 123 |
@Override |
124 |
public IntrinsicMethod lookupMethodHandleIntrinsic(ResolvedJavaMethod method) { |
|
125 |
int intrinsicId = ((HotSpotResolvedJavaMethodImpl) method).intrinsicId(); |
|
126 |
if (intrinsicId != 0) { |
|
127 |
return getMethodHandleIntrinsic(intrinsicId); |
|
128 |
} |
|
129 |
return null; |
|
130 |
} |
|
131 |
||
132 |
public static IntrinsicMethod getMethodHandleIntrinsic(int intrinsicId) { |
|
133 |
HotSpotVMConfig config = runtime().getConfig(); |
|
134 |
if (intrinsicId == config.vmIntrinsicInvokeBasic) { |
|
135 |
return IntrinsicMethod.INVOKE_BASIC; |
|
136 |
} else if (intrinsicId == config.vmIntrinsicLinkToInterface) { |
|
137 |
return IntrinsicMethod.LINK_TO_INTERFACE; |
|
138 |
} else if (intrinsicId == config.vmIntrinsicLinkToSpecial) { |
|
139 |
return IntrinsicMethod.LINK_TO_SPECIAL; |
|
140 |
} else if (intrinsicId == config.vmIntrinsicLinkToStatic) { |
|
141 |
return IntrinsicMethod.LINK_TO_STATIC; |
|
142 |
} else if (intrinsicId == config.vmIntrinsicLinkToVirtual) { |
|
143 |
return IntrinsicMethod.LINK_TO_VIRTUAL; |
|
144 |
} |
|
145 |
return null; |
|
146 |
} |
|
147 |
||
148 |
@Override |
|
149 |
public ResolvedJavaMethod resolveInvokeBasicTarget(JavaConstant methodHandle, boolean forceBytecodeGeneration) { |
|
150 |
if (methodHandle.isNull()) { |
|
151 |
return null; |
|
152 |
} |
|
153 |
||
154 |
/* Load non-public field: LambdaForm MethodHandle.form */ |
|
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
155 |
Internals internals = Internals.instance(); |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
156 |
JavaConstant lambdaForm = constantReflection.readFieldValue(internals.methodHandleFormField, methodHandle); |
43972 | 157 |
if (lambdaForm == null || lambdaForm.isNull()) { |
158 |
return null; |
|
159 |
} |
|
160 |
||
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
161 |
JavaConstant memberName = constantReflection.readFieldValue(internals.lambdaFormVmentryField, lambdaForm); |
43972 | 162 |
if (memberName.isNull() && forceBytecodeGeneration) { |
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
163 |
compilerToVM().compileToBytecode((HotSpotObjectConstantImpl) lambdaForm); |
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
164 |
memberName = constantReflection.readFieldValue(internals.lambdaFormVmentryField, lambdaForm); |
43972 | 165 |
assert memberName.isNonNull(); |
166 |
} |
|
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
167 |
JavaConstant method = constantReflection.readFieldValue(internals.methodField, memberName); |
46505
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
168 |
return getTargetMethod(method); |
43972 | 169 |
} |
170 |
||
171 |
@Override |
|
172 |
public ResolvedJavaMethod resolveLinkToTarget(JavaConstant memberName) { |
|
46505
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
173 |
if (memberName.isNull()) { |
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
174 |
return null; |
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
175 |
} |
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
176 |
JavaConstant method = constantReflection.readFieldValue(Internals.instance().methodField, memberName); |
46505
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
177 |
return getTargetMethod(method); |
43972 | 178 |
} |
179 |
||
180 |
/** |
|
46505
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
181 |
* Returns the {@link ResolvedJavaMethod} for the method of a java.lang.invoke.MemberName. |
43972 | 182 |
*/ |
46505
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
183 |
private static ResolvedJavaMethod getTargetMethod(JavaConstant method) { |
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
184 |
if (method == null) { |
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
185 |
// If readFieldValue returns NULL the type was wrong |
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
186 |
throw new IllegalArgumentException("unexpected type for memberName"); |
43972 | 187 |
} |
188 |
||
46505
fd4bc78630b1
8174749: Use hash table/oops for MemberName table
coleenp
parents:
43972
diff
changeset
|
189 |
/* Read the ResolvedJavaMethod from the injected field MemberName.method.vmtarget */ |
54669
ad45b3802d4e
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
kvn
parents:
50858
diff
changeset
|
190 |
return compilerToVM().getResolvedJavaMethod((HotSpotObjectConstantImpl) method, Internals.instance().vmtargetField.getOffset()); |
43972 | 191 |
} |
192 |
} |