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authorCorey Minyard <minyard@acm.org>2001-09-05 17:48:18 +0000
committerTom Tromey <tromey@gcc.gnu.org>2001-09-05 17:48:18 +0000
commitc946ec44f8df9914de1f6719db783a2b62be4fd7 (patch)
tree883d30c25b30bb57d4b45b846e61dc39052a33ec
parentc1a13c5f88996b26641bde1dbfb7b0e47dccfc51 (diff)
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natClassLoader.cc: Include VirtualMachineError.h
2001-09-05 Corey Minyard <minyard@acm.org> Tom Tromey <tromey@redhat.com> * java/lang/natClassLoader.cc: Include VirtualMachineError.h (_Jv_RegisterClassHookDefault): Throw error if a class is registered twice. Co-Authored-By: Tom Tromey <tromey@redhat.com> From-SVN: r45418
-rw-r--r--libjava/ChangeLog7
-rw-r--r--libjava/java/lang/natClassLoader.cc17
2 files changed, 24 insertions, 0 deletions
diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 0d0c66b..e867cbf 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,10 @@
+2001-09-05 Corey Minyard <minyard@acm.org>
+ Tom Tromey <tromey@redhat.com>
+
+ * java/lang/natClassLoader.cc: Include VirtualMachineError.h
+ (_Jv_RegisterClassHookDefault): Throw error if a class is
+ registered twice.
+
2001-09-05 Tom Tromey <tromey@redhat.com>
* java/lang/natSystem.cc (init_properties): Default locale is
diff --git a/libjava/java/lang/natClassLoader.cc b/libjava/java/lang/natClassLoader.cc
index 890a4a7..70dea6d 100644
--- a/libjava/java/lang/natClassLoader.cc
+++ b/libjava/java/lang/natClassLoader.cc
@@ -33,6 +33,7 @@ details. */
#include <java/lang/ClassNotFoundException.h>
#include <java/lang/ClassCircularityError.h>
#include <java/lang/IncompatibleClassChangeError.h>
+#include <java/lang/VirtualMachineError.h>
#include <java/lang/reflect/Modifier.h>
#include <java/lang/Runtime.h>
#include <java/lang/StringBuffer.h>
@@ -453,6 +454,22 @@ void
_Jv_RegisterClassHookDefault (jclass klass)
{
jint hash = HASH_UTF (klass->name);
+
+ jclass check_class = loaded_classes[hash];
+
+ // If the class is already registered, don't re-register it.
+ while (check_class != NULL)
+ {
+ if (check_class == klass)
+ {
+ // If you get this, it means you have the same class in two
+ // different libraries.
+ throw new java::lang::VirtualMachineError (JvNewStringLatin1 ("class registered twice"));
+ }
+
+ check_class = check_class->next;
+ }
+
klass->next = loaded_classes[hash];
loaded_classes[hash] = klass;
}