Mercurial > hg > truffle

annotate graal/com.oracle.jvmci.service/src/com/oracle/jvmci/service/Services.java @ 21760:55058b8000ea

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
author Doug Simon <doug.simon@oracle.com>
date Sat, 06 Jun 2015 09:23:37 +0200
parents 2e8c01def9a5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
15916
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
1 /*
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
4 *
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
7 * published by the Free Software Foundation.
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
8 *
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
13 * accompanied this code).
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
14 *
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
18 *
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
21 * questions.
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
22 */
21604
93f282187d90 moved JVMCI service API into separate com.oracle.jvmci.service module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21558
diff changeset
23 package com.oracle.jvmci.service;
15916
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
24
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
25 import java.util.*;
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
26
21607
71b338926f2e moved JVMCI classes into their own distributions (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21604
diff changeset
27 import sun.reflect.*;
71b338926f2e moved JVMCI classes into their own distributions (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21604
diff changeset
28
15916
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
29 /**
21760
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
30 * An mechanism for loading {@linkplain Service JVMCI services}.
15916
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
31 */
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
32 public class Services {
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
33
21675
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
34 /**
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
35 * Determines whether to suppress the {@link NoClassDefFoundError} raised if a service
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
36 * implementation class specified in a {@code <jre>/jvmci/services/*} file is missing.
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
37 */
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
38 private static final boolean SuppressNoClassDefFoundError = Boolean.getBoolean("jvmci.service.suppressNoClassDefFoundError");
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
39
15916
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
40 private static final ClassValue<List<Service>> cache = new ClassValue<List<Service>>() {
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
41 @Override
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
42 protected List<Service> computeValue(Class<?> type) {
21675
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
43 try {
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
44 return Arrays.asList(getServiceImpls(type));
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
45 } catch (NoClassDefFoundError e) {
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
46 if (SuppressNoClassDefFoundError) {
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
47 return Collections.emptyList();
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
48 }
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
49 throw e;
2e8c01def9a5 moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21662
diff changeset
50 }
15916
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
51 }
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
52 };
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
53
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
54 /**
21760
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
55 * Gets an {@link Iterable} of the implementations available for a given JVMCI service.
21636
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
56 *
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
57 * @throws SecurityException if a security manager is present and it denies
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
58 * <tt>{@link RuntimePermission}("jvmciServices")</tt>
15916
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
59 */
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
60 @SuppressWarnings("unchecked")
21607
71b338926f2e moved JVMCI classes into their own distributions (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21604
diff changeset
61 @CallerSensitive
21760
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
62 public static <S extends Service> Iterable<S> load(Class<S> service) {
21636
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
63 SecurityManager sm = System.getSecurityManager();
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
64 if (sm != null) {
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
65 sm.checkPermission(new RuntimePermission("jvmciServices"));
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
66 }
21760
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
67 try {
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
68 return (Iterable<S>) cache.get(service);
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
69 } catch (UnsatisfiedLinkError e) {
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
70 return Collections.emptyList();
15916
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
71 }
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
72 }
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
73
21614
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
74 /**
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
75 * Gets the implementation for a given service for which at most one implementation must be
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
76 * available.
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
77 *
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
78 * @param service the service whose implementation is being requested
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
79 * @param required specifies if an {@link InternalError} should be thrown if no implementation
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
80 * of {@code service} is available
21636
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
81 * @throws SecurityException if a security manager is present and it denies
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
82 * <tt>{@link RuntimePermission}("jvmciServices")</tt>
21614
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
83 */
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
84 @SuppressWarnings("unchecked")
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
85 @CallerSensitive
21760
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
86 public static <S extends Service> S loadSingle(Class<S> service, boolean required) {
21636
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
87 SecurityManager sm = System.getSecurityManager();
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
88 if (sm != null) {
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
89 sm.checkPermission(new RuntimePermission("jvmciServices"));
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
90 }
21662
b45e0f791465 avoid double assignment
Doug Simon <doug.simon@oracle.com>
parents: 21636
diff changeset
91 Iterable<S> impls;
21760
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
92 try {
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
93 impls = (Iterable<S>) cache.get(service);
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
94 } catch (UnsatisfiedLinkError e) {
55058b8000ea updated javadoc to document that JVMCI services are disjoint from the standard service loading mechanism and tightened generic type constraint such that Services and @ServiceProcessor can only be used with classes implementing Service
Doug Simon <doug.simon@oracle.com>
parents: 21675
diff changeset
95 impls = Collections.emptyList();
21614
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
96 }
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
97
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
98 S singleImpl = null;
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
99 for (S impl : impls) {
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
100 if (singleImpl != null) {
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
101 throw new InternalError(String.format("Multiple %s implementations found: %s, %s", service.getName(), singleImpl.getClass().getName(), impl.getClass().getName()));
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
102 }
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
103 singleImpl = impl;
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
104 }
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
105 if (singleImpl == null && required) {
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
106 String javaHome = System.getProperty("java.home");
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
107 String vmName = System.getProperty("java.vm.name");
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
108 Formatter errorMessage = new Formatter();
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
109 errorMessage.format("The VM does not expose required service %s.%n", service.getName());
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
110 errorMessage.format("Currently used Java home directory is %s.%n", javaHome);
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
111 errorMessage.format("Currently used VM configuration is: %s", vmName);
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
112 throw new UnsupportedOperationException(errorMessage.toString());
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
113 }
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
114 return singleImpl;
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
115 }
2f92172fa320 Truffle and NFI implementations are now accessed via JVMCI services instead of being hard coded in the VM (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21607
diff changeset
116
21636
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
117 static {
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
118 Reflection.registerMethodsToFilter(Services.class, "getServiceImpls");
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
119 Reflection.registerFieldsToFilter(Services.class, "cache");
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
120 }
6d9c8d0d0f7c added SecurityManager checks and field/method reflection hiding (JBS:GRAAL-51)
Doug Simon <doug.simon@oracle.com>
parents: 21633
diff changeset
121
15916
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
122 private static native <S> S[] getServiceImpls(Class<?> service);
6aa352b260f4 removed use of ServiceLoader in runtime initialization
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
123 }