re PR libgcj/28340 (gij ignores -Djava.security.manager)

2006-08-07  Gary Benson  <gbenson@redhat.com>

	PR libgcj/28340:
	* java/lang/ClassLoader.java (clinit): Install a default
	security manager if java.security.manager is defined.
	(getParent, getSystemClassLoader): Use the correct stack
	frame during security checks.
	* java/net/URLClassLoader.java (findClass): Avoid calling
	this.toString() during VM initialization.
	(runtimeInitialized): New method.
	* java/net/natURLClassLoader.cc: New file.
	* Makefile.am (nat_source_files): Added the above.
	* Makefile.in: Rebuilt.

From-SVN: r115999

libjava/java/net/URLClassLoader.java

@@ -1078,7 +1078,12 @@ public class URLClassLoader extends SecureClassLoader
 	resource = loader.getResource(resourceName);
       }
     if (resource == null)
-      throw new ClassNotFoundException(className + " not found in " + this);
+      {
+	String message = className + " not found";
+	if (runtimeInitialized())
+	  message += " in " + this;
+	throw new ClassNotFoundException(message);
+      }
 
     // Try to read the class data, create the CodeSource, Package and
     // construct the class (and watch out for those nasty IOExceptions)
@@ -1437,4 +1442,11 @@ public class URLClassLoader extends SecureClassLoader
         return loader;
       }
   }
+
+  /**
+   * Tell whether runtime initialization is complete.
+   *
+   * @return whether runtime initialization is complete.
+   */
+  private static native boolean runtimeInitialized();  
 }

libjava/java/net/natURLClassLoader.cc

@@ -0,0 +1,22 @@
+// natURLClassLoader.cc -- Native part of the URLClassLoader class.
+
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#include <config.h>
+
+#include <gcj/cni.h>
+#include <jvm.h>
+
+#include <java/net/URLClassLoader.h>
+
+jboolean
+java::net::URLClassLoader::runtimeInitialized ()
+{
+  return gcj::runtimeInitialized;
+}