--- a/hotspot/src/share/vm/oops/method.hpp Tue Sep 17 23:12:27 2013 +0200
+++ b/hotspot/src/share/vm/oops/method.hpp Fri Sep 13 22:38:02 2013 -0400
@@ -448,16 +448,22 @@
enum VtableIndexFlag {
// Valid vtable indexes are non-negative (>= 0).
// These few negative values are used as sentinels.
- highest_unused_vtable_index_value = -5,
+ itable_index_max = -10, // first itable index, growing downward
+ pending_itable_index = -9, // itable index will be assigned
invalid_vtable_index = -4, // distinct from any valid vtable index
garbage_vtable_index = -3, // not yet linked; no vtable layout yet
nonvirtual_vtable_index = -2 // there is no need for vtable dispatch
// 6330203 Note: Do not use -1, which was overloaded with many meanings.
};
DEBUG_ONLY(bool valid_vtable_index() const { return _vtable_index >= nonvirtual_vtable_index; })
- int vtable_index() const { assert(valid_vtable_index(), "");
- return _vtable_index; }
+ bool has_vtable_index() const { return _vtable_index >= 0; }
+ int vtable_index() const { return _vtable_index; }
void set_vtable_index(int index) { _vtable_index = index; }
+ DEBUG_ONLY(bool valid_itable_index() const { return _vtable_index <= pending_itable_index; })
+ bool has_itable_index() const { return _vtable_index <= itable_index_max; }
+ int itable_index() const { assert(valid_itable_index(), "");
+ return itable_index_max - _vtable_index; }
+ void set_itable_index(int index) { _vtable_index = itable_index_max - index; assert(valid_itable_index(), ""); }
// interpreter entry
address interpreter_entry() const { return _i2i_entry; }
@@ -560,10 +566,11 @@
// checks method and its method holder
bool is_final_method() const;
- bool is_strict_method() const;
+ bool is_final_method(AccessFlags class_access_flags) const;
// true if method needs no dynamic dispatch (final and/or no vtable entry)
bool can_be_statically_bound() const;
+ bool can_be_statically_bound(AccessFlags class_access_flags) const;
// returns true if the method has any backward branches.
bool has_loops() {
@@ -740,10 +747,6 @@
// so handles are not used to avoid deadlock.
jmethodID find_jmethod_id_or_null() { return method_holder()->jmethod_id_or_null(this); }
- // JNI static invoke cached itable index accessors
- int cached_itable_index() { return method_holder()->cached_itable_index(method_idnum()); }
- void set_cached_itable_index(int index) { method_holder()->set_cached_itable_index(method_idnum(), index); }
-
// Support for inlining of intrinsic methods
vmIntrinsics::ID intrinsic_id() const { return (vmIntrinsics::ID) _intrinsic_id; }
void set_intrinsic_id(vmIntrinsics::ID id) { _intrinsic_id = (u1) id; }