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comparison graal/com.oracle.nfi/src/com/oracle/nfi/NativeFunctionInterfaceRuntime.java @ 21894:91b861398ad6

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removed dependency from NFI to JVMCI
author Doug Simon <doug.simon@oracle.com>
date Wed, 10 Jun 2015 16:10:26 +0200
parents 2f92172fa320
children
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21893:db885c930362 21894:91b861398ad6
20 * or visit www.oracle.com if you need additional information or have any 20 * or visit www.oracle.com if you need additional information or have any
21 * questions. 21 * questions.
22 */ 22 */
23 package com.oracle.nfi; 23 package com.oracle.nfi;
24 24
25 import com.oracle.jvmci.service.*; 25 import java.lang.reflect.*;
26
26 import com.oracle.nfi.api.*; 27 import com.oracle.nfi.api.*;
27 28
28 /** 29 /**
29 * Class for obtaining the {@link NativeFunctionInterface} (if any) provided by the VM. 30 * Class for obtaining the {@link NativeFunctionInterface} (if any) provided by the VM.
30 */ 31 */
41 } 42 }
42 43
43 static { 44 static {
44 45
45 NativeFunctionInterface instance = null; 46 NativeFunctionInterface instance = null;
46 NativeFunctionInterfaceAccess access = Services.loadSingle(NativeFunctionInterfaceAccess.class, false); 47
48 NativeFunctionInterfaceAccess access = null;
49 Class<?> servicesClass = null;
50 try {
51 servicesClass = Class.forName("com.oracle.jvmci.service.Services");
52 } catch (ClassNotFoundException e) {
53 // JVMCI is unavailable
54 }
55 if (servicesClass != null) {
56 try {
57 Method m = servicesClass.getDeclaredMethod("loadSingle", Class.class, boolean.class);
58 access = (NativeFunctionInterfaceAccess) m.invoke(null, NativeFunctionInterfaceAccess.class, false);
59 } catch (Throwable e) {
60 // Fail fast for other errors
61 throw (InternalError) new InternalError().initCause(e);
62 }
63 }
64 // TODO: try standard ServiceLoader?
47 if (access != null) { 65 if (access != null) {
48 instance = access.getNativeFunctionInterface(); 66 instance = access.getNativeFunctionInterface();
49 } 67 }
50 INSTANCE = instance; 68 INSTANCE = instance;
51 } 69 }