43972
|
1 |
/*
|
|
2 |
* Copyright (c) 2015, 2016, 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 jdk.vm.ci.hotspot.aarch64;
|
|
24 |
|
|
25 |
import static jdk.vm.ci.common.InitTimer.timer;
|
|
26 |
|
|
27 |
import java.util.EnumSet;
|
|
28 |
|
|
29 |
import jdk.vm.ci.aarch64.AArch64;
|
|
30 |
import jdk.vm.ci.code.Architecture;
|
|
31 |
import jdk.vm.ci.code.RegisterConfig;
|
|
32 |
import jdk.vm.ci.code.TargetDescription;
|
|
33 |
import jdk.vm.ci.code.stack.StackIntrospection;
|
|
34 |
import jdk.vm.ci.common.InitTimer;
|
|
35 |
import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
|
|
36 |
import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
|
|
37 |
import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory;
|
|
38 |
import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider;
|
|
39 |
import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider;
|
|
40 |
import jdk.vm.ci.hotspot.HotSpotStackIntrospection;
|
|
41 |
import jdk.vm.ci.meta.ConstantReflectionProvider;
|
|
42 |
import jdk.vm.ci.runtime.JVMCIBackend;
|
|
43 |
|
|
44 |
public class AArch64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory {
|
|
45 |
|
|
46 |
protected EnumSet<AArch64.CPUFeature> computeFeatures(@SuppressWarnings("unused") AArch64HotSpotVMConfig config) {
|
|
47 |
// Configure the feature set using the HotSpot flag settings.
|
|
48 |
EnumSet<AArch64.CPUFeature> features = EnumSet.noneOf(AArch64.CPUFeature.class);
|
|
49 |
return features;
|
|
50 |
}
|
|
51 |
|
|
52 |
protected EnumSet<AArch64.Flag> computeFlags(@SuppressWarnings("unused") AArch64HotSpotVMConfig config) {
|
|
53 |
EnumSet<AArch64.Flag> flags = EnumSet.noneOf(AArch64.Flag.class);
|
|
54 |
return flags;
|
|
55 |
}
|
|
56 |
|
|
57 |
protected TargetDescription createTarget(AArch64HotSpotVMConfig config) {
|
|
58 |
final int stackFrameAlignment = 16;
|
|
59 |
final int implicitNullCheckLimit = 4096;
|
|
60 |
final boolean inlineObjects = true;
|
|
61 |
Architecture arch = new AArch64(computeFeatures(config), computeFlags(config));
|
|
62 |
return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects);
|
|
63 |
}
|
|
64 |
|
|
65 |
protected HotSpotConstantReflectionProvider createConstantReflection(HotSpotJVMCIRuntimeProvider runtime) {
|
|
66 |
return new HotSpotConstantReflectionProvider(runtime);
|
|
67 |
}
|
|
68 |
|
|
69 |
protected RegisterConfig createRegisterConfig(AArch64HotSpotVMConfig config, TargetDescription target) {
|
|
70 |
return new AArch64HotSpotRegisterConfig(target, config.useCompressedOops);
|
|
71 |
}
|
|
72 |
|
|
73 |
protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) {
|
|
74 |
return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig);
|
|
75 |
}
|
|
76 |
|
|
77 |
protected HotSpotMetaAccessProvider createMetaAccess(HotSpotJVMCIRuntimeProvider runtime) {
|
|
78 |
return new HotSpotMetaAccessProvider(runtime);
|
|
79 |
}
|
|
80 |
|
|
81 |
@Override
|
|
82 |
public String getArchitecture() {
|
|
83 |
return "aarch64";
|
|
84 |
}
|
|
85 |
|
|
86 |
@Override
|
|
87 |
public String toString() {
|
|
88 |
return "JVMCIBackend:" + getArchitecture();
|
|
89 |
}
|
|
90 |
|
|
91 |
@SuppressWarnings("try")
|
|
92 |
public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) {
|
|
93 |
|
|
94 |
assert host == null;
|
|
95 |
AArch64HotSpotVMConfig config = new AArch64HotSpotVMConfig(runtime.getConfigStore());
|
|
96 |
TargetDescription target = createTarget(config);
|
|
97 |
|
|
98 |
RegisterConfig regConfig;
|
|
99 |
HotSpotCodeCacheProvider codeCache;
|
|
100 |
ConstantReflectionProvider constantReflection;
|
|
101 |
HotSpotMetaAccessProvider metaAccess;
|
|
102 |
StackIntrospection stackIntrospection;
|
|
103 |
try (InitTimer t = timer("create providers")) {
|
|
104 |
try (InitTimer rt = timer("create MetaAccess provider")) {
|
|
105 |
metaAccess = createMetaAccess(runtime);
|
|
106 |
}
|
|
107 |
try (InitTimer rt = timer("create RegisterConfig")) {
|
|
108 |
regConfig = createRegisterConfig(config, target);
|
|
109 |
}
|
|
110 |
try (InitTimer rt = timer("create CodeCache provider")) {
|
|
111 |
codeCache = createCodeCache(runtime, target, regConfig);
|
|
112 |
}
|
|
113 |
try (InitTimer rt = timer("create ConstantReflection provider")) {
|
|
114 |
constantReflection = createConstantReflection(runtime);
|
|
115 |
}
|
|
116 |
try (InitTimer rt = timer("create StackIntrospection provider")) {
|
|
117 |
stackIntrospection = new HotSpotStackIntrospection(runtime);
|
|
118 |
}
|
|
119 |
}
|
|
120 |
try (InitTimer rt = timer("instantiate backend")) {
|
|
121 |
return createBackend(metaAccess, codeCache, constantReflection, stackIntrospection);
|
|
122 |
}
|
|
123 |
}
|
|
124 |
|
|
125 |
protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, ConstantReflectionProvider constantReflection,
|
|
126 |
StackIntrospection stackIntrospection) {
|
|
127 |
return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection);
|
|
128 |
}
|
|
129 |
}
|