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SystemClassLoader.java (addClass): Get the value of package-private field "loadedClasses" using reflection.

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* gnu/gcj/runtime/SystemClassLoader.java (addClass): Get the value
	of package-private field "loadedClasses" using reflection.
	* java/lang/VMCompiler.java (compileClass): Remove unreachable catch
	block.

From-SVN: r112858
This commit is contained in:
Bryce McKinlay 2006-04-11 16:23:00 +00:00 committed by Bryce McKinlay
parent b4426e0a70
commit 20cbfac4e9
3 changed files with 28 additions and 7 deletions
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7
libjava/ChangeLog
View File

@ -1,3 +1,10 @@
2006-04-11 Bryce McKinlay <mckinlay@redhat.com>
* gnu/gcj/runtime/SystemClassLoader.java (addClass): Get the value
of package-private field "loadedClasses" using reflection.
* java/lang/VMCompiler.java (compileClass): Remove unreachable catch
block.
2006-04-10 Matthias Klose <doko@debian.org>
* testsuite/lib/libjava.exp (libjava_init): Recognize multilib

23
libjava/gnu/gcj/runtime/SystemClassLoader.java
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@ -9,8 +9,9 @@ details. */
package gnu.gcj.runtime;
import java.io.*;
import java.lang.reflect.Field;
import java.util.StringTokenizer;
import java.util.HashSet;
import java.util.HashMap;
import java.net.URL;
import java.net.URLClassLoader;
@ -21,6 +22,8 @@ public final class SystemClassLoader extends URLClassLoader
super(new URL[0], parent);
}
private HashMap loadedClasses;
// This is called to register a native class which was linked into
// the application but which is registered with the system class
// loader after the VM is initialized.
@ -37,7 +40,23 @@ public final class SystemClassLoader extends URLClassLoader
// precompiled manifest.
definePackage(packageName, null, null, null, null, null, null, null);
}
loadedClasses.put(className, klass);
// Use reflection to access the package-private "loadedClasses" field.
if (this.loadedClasses == null)
{
try
{
Class cl = java.lang.ClassLoader.class;
Field lcField = cl.getDeclaredField("loadedClasses");
lcField.setAccessible(true);
this.loadedClasses = (HashMap) lcField.get(this);
}
catch (Exception x)
{
throw new RuntimeException(x);
}
}
this.loadedClasses.put(className, klass);
}
// We add the URLs to the system class loader late. The reason for

5
libjava/java/lang/VMCompiler.java
View File

@ -198,11 +198,6 @@ final class VMCompiler
md.update(data);
digest = md.digest();
}
catch (CloneNotSupportedException _)
{
// Can't happen.
return null;
}
catch (NullPointerException _)
{
// If md5Digest==null -- but really this should never happen