diff options
Diffstat (limited to 'libjava/java/lang')
| -rw-r--r-- | libjava/java/lang/natClassLoader.cc | 17 |
1 files changed, 17 insertions, 0 deletions
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; } |