6578152: fill_region_with_object has usability and safety issues
Reviewed-by: apetrusenko, ysr
/*
* Copyright 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
// ciKlassKlass
//
// This class represents a klassOop in the HotSpot virtual machine
// whose Klass part is a klassKlass or one of its subclasses
// (instanceKlassKlass, objArrayKlassKlass, typeArrayKlassKlass).
class ciKlassKlass : public ciKlass {
CI_PACKAGE_ACCESS
protected:
ciKlassKlass(KlassHandle h_k)
: ciKlass(h_k, ciSymbol::make("unique_klassKlass")) {
assert(h_k()->klass_part()->oop_is_klass(), "wrong type");
}
ciKlassKlass(KlassHandle h_k, ciSymbol *name)
: ciKlass(h_k, name) {}
klassKlass* get_klassKlass() { return (klassKlass*)get_Klass(); }
const char* type_string() { return "ciKlassKlass"; }
public:
// What kind of ciObject is this?
bool is_klass_klass() { return true; }
// Return the distinguished ciKlassKlass instance.
static ciKlassKlass* make();
};