--- a/hotspot/src/share/vm/classfile/javaClasses.cpp Tue May 21 19:52:01 2013 -0700
+++ b/hotspot/src/share/vm/classfile/javaClasses.cpp Wed May 22 14:37:49 2013 -0400
@@ -512,22 +512,22 @@
// If the offset was read from the shared archive, it was fixed up already
if (!k->is_shared()) {
- if (k->oop_is_instance()) {
- // During bootstrap, java.lang.Class wasn't loaded so static field
- // offsets were computed without the size added it. Go back and
- // update all the static field offsets to included the size.
- for (JavaFieldStream fs(InstanceKlass::cast(k())); !fs.done(); fs.next()) {
- if (fs.access_flags().is_static()) {
- int real_offset = fs.offset() + InstanceMirrorKlass::offset_of_static_fields();
- fs.set_offset(real_offset);
+ if (k->oop_is_instance()) {
+ // During bootstrap, java.lang.Class wasn't loaded so static field
+ // offsets were computed without the size added it. Go back and
+ // update all the static field offsets to included the size.
+ for (JavaFieldStream fs(InstanceKlass::cast(k())); !fs.done(); fs.next()) {
+ if (fs.access_flags().is_static()) {
+ int real_offset = fs.offset() + InstanceMirrorKlass::offset_of_static_fields();
+ fs.set_offset(real_offset);
+ }
}
}
}
- }
- create_mirror(k, CHECK);
+ create_mirror(k, Handle(NULL), CHECK);
}
-oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) {
+oop java_lang_Class::create_mirror(KlassHandle k, Handle protection_domain, TRAPS) {
assert(k->java_mirror() == NULL, "should only assign mirror once");
// Use this moment of initialization to cache modifier_flags also,
// to support Class.getModifiers(). Instance classes recalculate
@@ -563,6 +563,16 @@
set_array_klass(comp_mirror(), k());
} else {
assert(k->oop_is_instance(), "Must be");
+
+ // Allocate a simple java object for a lock.
+ // This needs to be a java object because during class initialization
+ // it can be held across a java call.
+ typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK_NULL);
+ set_init_lock(mirror(), r);
+
+ // Set protection domain also
+ set_protection_domain(mirror(), protection_domain());
+
// Initialize static fields
InstanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL);
}
@@ -597,6 +607,34 @@
java_class->int_field_put(_static_oop_field_count_offset, size);
}
+oop java_lang_Class::protection_domain(oop java_class) {
+ assert(_protection_domain_offset != 0, "must be set");
+ return java_class->obj_field(_protection_domain_offset);
+}
+void java_lang_Class::set_protection_domain(oop java_class, oop pd) {
+ assert(_protection_domain_offset != 0, "must be set");
+ java_class->obj_field_put(_protection_domain_offset, pd);
+}
+
+oop java_lang_Class::init_lock(oop java_class) {
+ assert(_init_lock_offset != 0, "must be set");
+ return java_class->obj_field(_init_lock_offset);
+}
+void java_lang_Class::set_init_lock(oop java_class, oop init_lock) {
+ assert(_init_lock_offset != 0, "must be set");
+ java_class->obj_field_put(_init_lock_offset, init_lock);
+}
+
+objArrayOop java_lang_Class::signers(oop java_class) {
+ assert(_signers_offset != 0, "must be set");
+ return (objArrayOop)java_class->obj_field(_signers_offset);
+}
+void java_lang_Class::set_signers(oop java_class, objArrayOop signers) {
+ assert(_signers_offset != 0, "must be set");
+ java_class->obj_field_put(_signers_offset, (oop)signers);
+}
+
+
oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) {
// This should be improved by adding a field at the Java level or by
// introducing a new VM klass (see comment in ClassFileParser)
@@ -2934,6 +2972,9 @@
int java_lang_Class::_array_klass_offset;
int java_lang_Class::_oop_size_offset;
int java_lang_Class::_static_oop_field_count_offset;
+int java_lang_Class::_protection_domain_offset;
+int java_lang_Class::_init_lock_offset;
+int java_lang_Class::_signers_offset;
GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL;
int java_lang_Throwable::backtrace_offset;
int java_lang_Throwable::detailMessage_offset;