46344
|
1 |
/*
|
58299
|
2 |
* Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
|
46344
|
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 |
*/
|
50858
|
23 |
|
|
24 |
|
46344
|
25 |
package org.graalvm.compiler.hotspot;
|
|
26 |
|
|
27 |
import static jdk.vm.ci.common.InitTimer.timer;
|
|
28 |
|
|
29 |
import java.io.File;
|
|
30 |
import java.io.FileReader;
|
|
31 |
import java.io.IOException;
|
|
32 |
import java.util.Map;
|
|
33 |
import java.util.Properties;
|
|
34 |
|
49873
|
35 |
import jdk.internal.vm.compiler.collections.EconomicMap;
|
46344
|
36 |
import org.graalvm.compiler.options.Option;
|
|
37 |
import org.graalvm.compiler.options.OptionDescriptors;
|
|
38 |
import org.graalvm.compiler.options.OptionKey;
|
|
39 |
import org.graalvm.compiler.options.OptionValues;
|
|
40 |
import org.graalvm.compiler.options.OptionsParser;
|
|
41 |
|
|
42 |
import jdk.vm.ci.common.InitTimer;
|
54084
|
43 |
import jdk.vm.ci.common.NativeImageReinitialize;
|
54204
|
44 |
import jdk.vm.ci.services.Services;
|
46344
|
45 |
|
|
46 |
/**
|
54084
|
47 |
* The {@link #defaultOptions()} method returns the options values initialized in a HotSpot VM. The
|
46344
|
48 |
* values are set via system properties with the {@value #GRAAL_OPTION_PROPERTY_PREFIX} prefix.
|
|
49 |
*/
|
49873
|
50 |
public class HotSpotGraalOptionValues {
|
46344
|
51 |
|
|
52 |
/**
|
|
53 |
* The name of the system property specifying a file containing extra Graal option settings.
|
|
54 |
*/
|
|
55 |
private static final String GRAAL_OPTIONS_FILE_PROPERTY_NAME = "graal.options.file";
|
|
56 |
|
|
57 |
/**
|
|
58 |
* The name of the system property specifying the Graal version.
|
|
59 |
*/
|
|
60 |
private static final String GRAAL_VERSION_PROPERTY_NAME = "graal.version";
|
|
61 |
|
|
62 |
/**
|
|
63 |
* The prefix for system properties that correspond to {@link Option} annotated fields. A field
|
|
64 |
* named {@code MyOption} will have its value set from a system property with the name
|
|
65 |
* {@code GRAAL_OPTION_PROPERTY_PREFIX + "MyOption"}.
|
|
66 |
*/
|
|
67 |
public static final String GRAAL_OPTION_PROPERTY_PREFIX = "graal.";
|
|
68 |
|
|
69 |
/**
|
|
70 |
* Gets the system property assignment that would set the current value for a given option.
|
|
71 |
*/
|
|
72 |
public static String asSystemPropertySetting(OptionValues options, OptionKey<?> value) {
|
|
73 |
return GRAAL_OPTION_PROPERTY_PREFIX + value.getName() + "=" + value.getValue(options);
|
|
74 |
}
|
|
75 |
|
54084
|
76 |
@NativeImageReinitialize private static volatile OptionValues hotspotOptions;
|
|
77 |
|
|
78 |
public static OptionValues defaultOptions() {
|
|
79 |
OptionValues res = hotspotOptions;
|
|
80 |
if (res == null) {
|
|
81 |
synchronized (HotSpotGraalOptionValues.class) {
|
|
82 |
res = hotspotOptions;
|
|
83 |
if (res == null) {
|
|
84 |
res = initializeOptions();
|
|
85 |
hotspotOptions = res;
|
|
86 |
}
|
|
87 |
}
|
|
88 |
}
|
|
89 |
return res;
|
|
90 |
}
|
46344
|
91 |
|
|
92 |
/**
|
54204
|
93 |
* Gets and parses options based on {@linkplain Services#getSavedProperties() saved system
|
|
94 |
* properties}. The values for these options are initialized by parsing the file denoted by the
|
|
95 |
* {@value #GRAAL_OPTIONS_FILE_PROPERTY_NAME} property followed by parsing the options encoded
|
|
96 |
* in properties whose names start with {@value #GRAAL_OPTION_PROPERTY_PREFIX}. Key/value pairs
|
|
97 |
* are parsed from the aforementioned file with {@link Properties#load(java.io.Reader)}.
|
46344
|
98 |
*/
|
|
99 |
@SuppressWarnings("try")
|
54204
|
100 |
public static EconomicMap<OptionKey<?>, Object> parseOptions() {
|
46344
|
101 |
EconomicMap<OptionKey<?>, Object> values = OptionValues.newOptionMap();
|
|
102 |
try (InitTimer t = timer("InitializeOptions")) {
|
|
103 |
|
|
104 |
Iterable<OptionDescriptors> loader = OptionsParser.getOptionsLoader();
|
46459
|
105 |
Map<String, String> savedProps = jdk.vm.ci.services.Services.getSavedProperties();
|
|
106 |
String optionsFile = savedProps.get(GRAAL_OPTIONS_FILE_PROPERTY_NAME);
|
46344
|
107 |
|
|
108 |
if (optionsFile != null) {
|
|
109 |
File graalOptions = new File(optionsFile);
|
|
110 |
if (graalOptions.exists()) {
|
|
111 |
try (FileReader fr = new FileReader(graalOptions)) {
|
|
112 |
Properties props = new Properties();
|
|
113 |
props.load(fr);
|
|
114 |
EconomicMap<String, String> optionSettings = EconomicMap.create();
|
46393
|
115 |
for (Map.Entry<Object, Object> e : props.entrySet()) {
|
|
116 |
optionSettings.put((String) e.getKey(), (String) e.getValue());
|
46344
|
117 |
}
|
|
118 |
try {
|
|
119 |
OptionsParser.parseOptions(optionSettings, values, loader);
|
|
120 |
} catch (Throwable e) {
|
|
121 |
throw new InternalError("Error parsing an option from " + graalOptions, e);
|
|
122 |
}
|
|
123 |
} catch (IOException e) {
|
|
124 |
throw new InternalError("Error reading " + graalOptions, e);
|
|
125 |
}
|
|
126 |
}
|
|
127 |
}
|
|
128 |
|
|
129 |
EconomicMap<String, String> optionSettings = EconomicMap.create();
|
46459
|
130 |
for (Map.Entry<String, String> e : savedProps.entrySet()) {
|
|
131 |
String name = e.getKey();
|
46344
|
132 |
if (name.startsWith(GRAAL_OPTION_PROPERTY_PREFIX)) {
|
|
133 |
if (name.equals("graal.PrintFlags") || name.equals("graal.ShowFlags")) {
|
|
134 |
System.err.println("The " + name + " option has been removed and will be ignored. Use -XX:+JVMCIPrintProperties instead.");
|
|
135 |
} else if (name.equals(GRAAL_OPTIONS_FILE_PROPERTY_NAME) || name.equals(GRAAL_VERSION_PROPERTY_NAME)) {
|
|
136 |
// Ignore well known properties that do not denote an option
|
|
137 |
} else {
|
46459
|
138 |
String value = e.getValue();
|
46344
|
139 |
optionSettings.put(name.substring(GRAAL_OPTION_PROPERTY_PREFIX.length()), value);
|
|
140 |
}
|
|
141 |
}
|
|
142 |
}
|
|
143 |
|
|
144 |
OptionsParser.parseOptions(optionSettings, values, loader);
|
54204
|
145 |
return values;
|
46344
|
146 |
}
|
|
147 |
}
|
54204
|
148 |
|
|
149 |
/**
|
|
150 |
* Substituted by
|
|
151 |
* {@code com.oracle.svm.graal.hotspot.libgraal.Target_org_graalvm_compiler_hotspot_HotSpotGraalOptionValues}
|
|
152 |
* to update {@code com.oracle.svm.core.option.RuntimeOptionValues.singleton()} instead of
|
|
153 |
* creating a new {@link OptionValues} object.
|
|
154 |
*/
|
|
155 |
private static OptionValues initializeOptions() {
|
|
156 |
return new OptionValues(parseOptions());
|
|
157 |
}
|
46344
|
158 |
}
|