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src/share/vm/oops/methodDataKlass.cpp@d1605aabd0a1 (annotated)

src/share/vm/oops/methodDataKlass.cpp

Wed, 02 Jul 2008 12:55:16 -0700

author

xdono

date

Wed, 02 Jul 2008 12:55:16 -0700

changeset 631

d1605aabd0a1

parent 548

ba764ed4b6f2

child 1590

4e6abf09f540

permissions

-rw-r--r--

6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

duke@435	1	/*
xdono@631	2	* Copyright 2000-2008 Sun Microsystems, Inc. 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	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	# include "incls/_precompiled.incl"
duke@435	26	# include "incls/_methodDataKlass.cpp.incl"
duke@435	27
duke@435	28	klassOop methodDataKlass::create_klass(TRAPS) {
duke@435	29	methodDataKlass o;
duke@435	30	KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
duke@435	31	KlassHandle k = base_create_klass(h_this_klass, header_size(),
duke@435	32	o.vtbl_value(), CHECK_NULL);
duke@435	33	// Make sure size calculation is right
duke@435	34	assert(k()->size() == align_object_size(header_size()),
duke@435	35	"wrong size for object");
duke@435	36	return k();
duke@435	37	}
duke@435	38
duke@435	39
duke@435	40	int methodDataKlass::oop_size(oop obj) const {
duke@435	41	assert(obj->is_methodData(), "must be method data oop");
duke@435	42	return methodDataOop(obj)->object_size();
duke@435	43	}
duke@435	44
duke@435	45
duke@435	46	bool methodDataKlass::oop_is_parsable(oop obj) const {
duke@435	47	assert(obj->is_methodData(), "must be method data oop");
duke@435	48	return methodDataOop(obj)->object_is_parsable();
duke@435	49	}
duke@435	50
duke@435	51
duke@435	52	methodDataOop methodDataKlass::allocate(methodHandle method, TRAPS) {
duke@435	53	int size = methodDataOopDesc::compute_allocation_size_in_words(method);
duke@435	54	KlassHandle h_k(THREAD, as_klassOop());
duke@435	55	methodDataOop mdo =
duke@435	56	(methodDataOop)CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL);
duke@435	57	assert(!mdo->is_parsable(), "not expecting parsability yet.");
duke@435	58	No_Safepoint_Verifier no_safepoint; // init function atomic wrt GC
duke@435	59	mdo->initialize(method);
duke@435	60
duke@435	61	assert(mdo->is_parsable(), "should be parsable here.");
duke@435	62	assert(size == mdo->object_size(), "wrong size for methodDataOop");
duke@435	63	return mdo;
duke@435	64	}
duke@435	65
duke@435	66
duke@435	67	void methodDataKlass::oop_follow_contents(oop obj) {
duke@435	68	assert (obj->is_methodData(), "object must be method data");
duke@435	69	methodDataOop m = methodDataOop(obj);
duke@435	70
duke@435	71	obj->follow_header();
duke@435	72	MarkSweep::mark_and_push(m->adr_method());
duke@435	73	ResourceMark rm;
duke@435	74	for (ProfileData* data = m->first_data();
duke@435	75	m->is_valid(data);
duke@435	76	data = m->next_data(data)) {
duke@435	77	data->follow_contents();
duke@435	78	}
duke@435	79	}
duke@435	80
duke@435	81	#ifndef SERIALGC
duke@435	82	void methodDataKlass::oop_follow_contents(ParCompactionManager* cm,
duke@435	83	oop obj) {
duke@435	84	assert (obj->is_methodData(), "object must be method data");
duke@435	85	methodDataOop m = methodDataOop(obj);
duke@435	86
duke@435	87	obj->follow_header(cm);
duke@435	88	PSParallelCompact::mark_and_push(cm, m->adr_method());
duke@435	89	ResourceMark rm;
duke@435	90	for (ProfileData* data = m->first_data();
duke@435	91	m->is_valid(data);
duke@435	92	data = m->next_data(data)) {
duke@435	93	data->follow_contents(cm);
duke@435	94	}
duke@435	95	}
duke@435	96	#endif // SERIALGC
duke@435	97
coleenp@548	98
duke@435	99	int methodDataKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
duke@435	100	assert (obj->is_methodData(), "object must be method data");
duke@435	101	methodDataOop m = methodDataOop(obj);
duke@435	102	// Get size before changing pointers
duke@435	103	// Don't call size() or oop_size() since that is a virtual call.
duke@435	104	int size = m->object_size();
duke@435	105
duke@435	106	obj->oop_iterate_header(blk);
duke@435	107	blk->do_oop(m->adr_method());
duke@435	108	ResourceMark rm;
duke@435	109	for (ProfileData* data = m->first_data();
duke@435	110	m->is_valid(data);
duke@435	111	data = m->next_data(data)) {
duke@435	112	data->oop_iterate(blk);
duke@435	113	}
duke@435	114	return size;
duke@435	115	}
duke@435	116
duke@435	117	int methodDataKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) {
duke@435	118	assert (obj->is_methodData(), "object must be method data");
duke@435	119	methodDataOop m = methodDataOop(obj);
duke@435	120	// Get size before changing pointers
duke@435	121	// Don't call size() or oop_size() since that is a virtual call.
duke@435	122	int size = m->object_size();
duke@435	123
duke@435	124	obj->oop_iterate_header(blk, mr);
duke@435	125	oop* adr = m->adr_method();
duke@435	126	if (mr.contains(adr)) {
duke@435	127	blk->do_oop(m->adr_method());
duke@435	128	}
duke@435	129	ResourceMark rm;
duke@435	130	for (ProfileData* data = m->first_data();
duke@435	131	m->is_valid(data);
duke@435	132	data = m->next_data(data)) {
duke@435	133	data->oop_iterate_m(blk, mr);
duke@435	134	}
duke@435	135	return size;
duke@435	136	}
duke@435	137
duke@435	138	int methodDataKlass::oop_adjust_pointers(oop obj) {
duke@435	139	assert(obj->is_methodData(), "should be method data");
duke@435	140	methodDataOop m = methodDataOop(obj);
duke@435	141	// Get size before changing pointers
duke@435	142	// Don't call size() or oop_size() since that is a virtual call.
duke@435	143	int size = m->object_size();
duke@435	144
duke@435	145	obj->adjust_header();
duke@435	146	MarkSweep::adjust_pointer(m->adr_method());
duke@435	147	ResourceMark rm;
duke@435	148	ProfileData* data;
duke@435	149	for (data = m->first_data(); m->is_valid(data); data = m->next_data(data)) {
duke@435	150	data->adjust_pointers();
duke@435	151	}
duke@435	152	return size;
duke@435	153	}
duke@435	154
duke@435	155
duke@435	156	#ifndef SERIALGC
duke@435	157	void methodDataKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) {
duke@435	158	assert (obj->is_methodData(), "object must be method data");
duke@435	159	methodDataOop m = methodDataOop(obj);
duke@435	160	// This should never point into the young gen.
coleenp@548	161	assert(!PSScavenge::should_scavenge(m->adr_method()), "Sanity");
duke@435	162	}
duke@435	163
duke@435	164	void methodDataKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
duke@435	165	assert (obj->is_methodData(), "object must be method data");
duke@435	166	methodDataOop m = methodDataOop(obj);
duke@435	167	// This should never point into the young gen.
coleenp@548	168	assert(!PSScavenge::should_scavenge(m->adr_method()), "Sanity");
duke@435	169	}
duke@435	170
duke@435	171	int methodDataKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
duke@435	172	assert(obj->is_methodData(), "should be method data");
duke@435	173	methodDataOop m = methodDataOop(obj);
duke@435	174
duke@435	175	PSParallelCompact::adjust_pointer(m->adr_method());
duke@435	176
duke@435	177	ResourceMark rm;
duke@435	178	ProfileData* data;
duke@435	179	for (data = m->first_data(); m->is_valid(data); data = m->next_data(data)) {
duke@435	180	data->update_pointers();
duke@435	181	}
duke@435	182	return m->object_size();
duke@435	183	}
duke@435	184
duke@435	185	int
duke@435	186	methodDataKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
duke@435	187	HeapWord* beg_addr, HeapWord* end_addr) {
duke@435	188	assert(obj->is_methodData(), "should be method data");
duke@435	189
duke@435	190	oop* p;
duke@435	191	methodDataOop m = methodDataOop(obj);
duke@435	192
duke@435	193	p = m->adr_method();
duke@435	194	PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
duke@435	195
duke@435	196	ResourceMark rm;
duke@435	197	ProfileData* data;
duke@435	198	for (data = m->first_data(); m->is_valid(data); data = m->next_data(data)) {
duke@435	199	data->update_pointers(beg_addr, end_addr);
duke@435	200	}
duke@435	201	return m->object_size();
duke@435	202	}
duke@435	203	#endif // SERIALGC
duke@435	204
duke@435	205	#ifndef PRODUCT
duke@435	206
duke@435	207	// Printing
duke@435	208	void methodDataKlass::oop_print_on(oop obj, outputStream* st) {
duke@435	209	assert(obj->is_methodData(), "should be method data");
duke@435	210	methodDataOop m = methodDataOop(obj);
duke@435	211	st->print("method data for ");
duke@435	212	m->method()->print_value_on(st);
duke@435	213	st->cr();
duke@435	214	m->print_data_on(st);
duke@435	215	}
duke@435	216
duke@435	217	void methodDataKlass::oop_print_value_on(oop obj, outputStream* st) {
duke@435	218	assert(obj->is_methodData(), "should be method data");
duke@435	219	methodDataOop m = methodDataOop(obj);
duke@435	220	st->print("method data for ");
duke@435	221	m->method()->print_value_on(st);
duke@435	222	}
duke@435	223
duke@435	224	#endif // !PRODUCT
duke@435	225
duke@435	226	const char* methodDataKlass::internal_name() const {
duke@435	227	return "{method data}";
duke@435	228	}
duke@435	229
duke@435	230
duke@435	231	// Verification
duke@435	232	void methodDataKlass::oop_verify_on(oop obj, outputStream* st) {
duke@435	233	Klass::oop_verify_on(obj, st);
duke@435	234	guarantee(obj->is_methodData(), "object must be method data");
duke@435	235	methodDataOop m = methodDataOop(obj);
duke@435	236	guarantee(m->is_perm(), "should be in permspace");
duke@435	237	m->verify_data_on(st);
duke@435	238	}