javaprims.h (_Jv_RegisterClassHook): New extern declaration.

	* gcj/javaprims.h (_Jv_RegisterClassHook):  New extern declaration.
	(_Jv_RegisterClassHookDefault):  Likewise.
	* java/lang/Class.h (_Jv_RegisterClassHookDefault):  Declare as friend.
	* java/lang/natClassLoader.cc (_Jv_RegisterClassHook):  New variable.
	(_Jv_RegisterClassHookDefault):  New.function.
	(_Jv_RegisterClasses):  Call _Jv_RegisterClassHook.

From-SVN: r45344

1 files changed, 17 insertions, 3 deletions

diff --git a/libjava/java/lang/natClassLoader.cc b/libjava/java/lang/natClassLoader.cc
index f0794c7..890a4a7 100644
--- a/libjava/java/lang/natClassLoader.cc
+++ b/libjava/java/lang/natClassLoader.cc
@@ -439,9 +439,8 @@ _Jv_RegisterClasses (jclass *classes)
   for (; *classes; ++classes)
     {
       jclass klass = *classes;
-      jint hash = HASH_UTF (klass->name);
-      klass->next = loaded_classes[hash];
-      loaded_classes[hash] = klass;
+
+      (*_Jv_RegisterClassHook) (klass);
 
       // registering a compiled class causes
       // it to be immediately "prepared".  
@@ -451,6 +450,21 @@ _Jv_RegisterClasses (jclass *classes)
 }
 
 void
+_Jv_RegisterClassHookDefault (jclass klass)
+{
+  jint hash = HASH_UTF (klass->name);
+  klass->next = loaded_classes[hash];
+  loaded_classes[hash] = klass;
+}
+
+// A pointer to a function that actually registers a class.
+// Normally _Jv_RegisterClassHookDefault, but could be some other function
+// that registers the class in e.g. a ClassLoader-local table.
+// Should synchronize on Class:class$ while setting/restore this variable.
+
+void (*_Jv_RegisterClassHook) (jclass cl) = _Jv_RegisterClassHookDefault;
+
+void
 _Jv_RegisterClass (jclass klass)
 {
   jclass classes[2];