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src/share/vm/oops/methodKlass.hpp@c7f3d0b4570f (annotated)

src/share/vm/oops/methodKlass.hpp

Fri, 18 Mar 2011 16:00:34 -0700

author

never

date

Fri, 18 Mar 2011 16:00:34 -0700

changeset 2658

c7f3d0b4570f

parent 2314

f95d63e2154a

permissions

-rw-r--r--

7017732: move static fields into Class to prepare for perm gen removal
Reviewed-by: kvn, coleenp, twisti, stefank

duke@435	1	/*
stefank@2314	2	* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_OOPS_METHODKLASS_HPP
stefank@2314	26	#define SHARE_VM_OOPS_METHODKLASS_HPP
stefank@2314	27
stefank@2314	28	#include "oops/klass.hpp"
stefank@2314	29	#include "oops/klassOop.hpp"
stefank@2314	30	#include "oops/methodOop.hpp"
stefank@2314	31
duke@435	32	// a methodKlass is the klass of a methodOop
duke@435	33
duke@435	34	class methodKlass : public Klass {
duke@435	35	friend class VMStructs;
duke@435	36	private:
duke@435	37	juint _alloc_size; // allocation profiling support
duke@435	38	public:
duke@435	39	// Testing
duke@435	40	bool oop_is_method() const { return true; }
duke@435	41
duke@435	42	// Allocation
duke@435	43	DEFINE_ALLOCATE_PERMANENT(methodKlass);
duke@435	44	methodOop allocate(constMethodHandle xconst, AccessFlags access_flags,
duke@435	45	TRAPS);
duke@435	46	static klassOop create_klass(TRAPS);
duke@435	47
duke@435	48	// Sizing
duke@435	49	int oop_size(oop obj) const;
duke@435	50	int klass_oop_size() const { return object_size(); }
duke@435	51
duke@435	52	// Casting from klassOop
duke@435	53	static methodKlass* cast(klassOop k) {
duke@435	54	assert(k->klass_part()->oop_is_method(), "cast to methodKlass");
duke@435	55	return (methodKlass*) k->klass_part();
duke@435	56	}
duke@435	57
duke@435	58	// Sizing
duke@435	59	static int header_size() { return oopDesc::header_size() + sizeof(methodKlass)/HeapWordSize; }
duke@435	60	int object_size() const { return align_object_size(header_size()); }
duke@435	61
duke@435	62	// Garbage collection
duke@435	63	void oop_follow_contents(oop obj);
duke@435	64	int oop_adjust_pointers(oop obj);
duke@435	65	bool oop_is_parsable(oop obj) const;
duke@435	66
duke@435	67	// Parallel Scavenge and Parallel Old
duke@435	68	PARALLEL_GC_DECLS
duke@435	69
duke@435	70	// Allocation profiling support
duke@435	71	juint alloc_size() const { return _alloc_size; }
duke@435	72	void set_alloc_size(juint n) { _alloc_size = n; }
duke@435	73
duke@435	74	// Iterators
duke@435	75	int oop_oop_iterate(oop obj, OopClosure* blk);
duke@435	76	int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
duke@435	77
duke@435	78	public:
duke@435	79	// Printing
jrose@1590	80	void oop_print_value_on(oop obj, outputStream* st);
jrose@1590	81	#ifndef PRODUCT
duke@435	82	void oop_print_on (oop obj, outputStream* st);
jrose@1590	83	#endif //PRODUCT
duke@435	84
duke@435	85	// Verify operations
duke@435	86	const char* internal_name() const;
duke@435	87	void oop_verify_on(oop obj, outputStream* st);
duke@435	88	bool oop_partially_loaded(oop obj) const;
duke@435	89	void oop_set_partially_loaded(oop obj);
duke@435	90	};
stefank@2314	91
stefank@2314	92	#endif // SHARE_VM_OOPS_METHODKLASS_HPP