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src/share/vm/oops/oop.cpp@c7f3d0b4570f (annotated)

src/share/vm/oops/oop.cpp

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

child 3156

f08d439fab8c

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	#include "precompiled.hpp"
stefank@2314	26	#include "classfile/javaClasses.hpp"
stefank@2314	27	#include "oops/oop.inline.hpp"
stefank@2314	28	#include "runtime/handles.inline.hpp"
stefank@2314	29	#include "utilities/copy.hpp"
stefank@2314	30	#ifdef TARGET_OS_FAMILY_linux
stefank@2314	31	# include "thread_linux.inline.hpp"
stefank@2314	32	#endif
stefank@2314	33	#ifdef TARGET_OS_FAMILY_solaris
stefank@2314	34	# include "thread_solaris.inline.hpp"
stefank@2314	35	#endif
stefank@2314	36	#ifdef TARGET_OS_FAMILY_windows
stefank@2314	37	# include "thread_windows.inline.hpp"
stefank@2314	38	#endif
duke@435	39
duke@435	40	bool always_do_update_barrier = false;
duke@435	41
duke@435	42	BarrierSet* oopDesc::_bs = NULL;
duke@435	43
duke@435	44	void oopDesc::print_on(outputStream* st) const {
duke@435	45	if (this == NULL) {
duke@435	46	st->print_cr("NULL");
duke@435	47	} else {
duke@435	48	blueprint()->oop_print_on(oop(this), st);
duke@435	49	}
duke@435	50	}
duke@435	51
duke@435	52	void oopDesc::print_address_on(outputStream* st) const {
duke@435	53	if (PrintOopAddress) {
jrose@1100	54	st->print("{"INTPTR_FORMAT"}", this);
duke@435	55	}
duke@435	56	}
duke@435	57
duke@435	58	void oopDesc::print() { print_on(tty); }
duke@435	59
duke@435	60	void oopDesc::print_address() { print_address_on(tty); }
duke@435	61
duke@435	62	char* oopDesc::print_string() {
jrose@1590	63	stringStream st;
jrose@1590	64	print_on(&st);
jrose@1590	65	return st.as_string();
jrose@1590	66	}
jrose@1590	67
jrose@1590	68	void oopDesc::print_value() {
jrose@1590	69	print_value_on(tty);
duke@435	70	}
duke@435	71
duke@435	72	char* oopDesc::print_value_string() {
jrose@1590	73	char buf[100];
jrose@1590	74	stringStream st(buf, sizeof(buf));
jrose@1590	75	print_value_on(&st);
jrose@1590	76	return st.as_string();
duke@435	77	}
duke@435	78
jrose@1590	79	void oopDesc::print_value_on(outputStream* st) const {
jrose@1590	80	oop obj = oop(this);
jrose@1590	81	if (this == NULL) {
jrose@1590	82	st->print("NULL");
jrose@1590	83	} else if (java_lang_String::is_instance(obj)) {
jrose@1590	84	java_lang_String::print(obj, st);
jrose@1590	85	if (PrintOopAddress) print_address_on(st);
jrose@1590	86	#ifdef ASSERT
jrose@1590	87	} else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
jrose@1590	88	st->print("### BAD OOP %p ###", (address)obj);
jrose@1590	89	#endif //ASSERT
jrose@1590	90	} else {
jrose@1590	91	blueprint()->oop_print_value_on(obj, st);
jrose@1590	92	}
jrose@1590	93	}
jrose@1590	94
duke@435	95
duke@435	96	void oopDesc::verify_on(outputStream* st) {
duke@435	97	if (this != NULL) {
duke@435	98	blueprint()->oop_verify_on(this, st);
duke@435	99	}
duke@435	100	}
duke@435	101
duke@435	102
duke@435	103	void oopDesc::verify() {
duke@435	104	verify_on(tty);
duke@435	105	}
duke@435	106
duke@435	107
coleenp@548	108	// XXX verify_old_oop doesn't do anything (should we remove?)
duke@435	109	void oopDesc::verify_old_oop(oop* p, bool allow_dirty) {
duke@435	110	blueprint()->oop_verify_old_oop(this, p, allow_dirty);
duke@435	111	}
duke@435	112
coleenp@548	113	void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) {
coleenp@548	114	blueprint()->oop_verify_old_oop(this, p, allow_dirty);
coleenp@548	115	}
duke@435	116
duke@435	117	bool oopDesc::partially_loaded() {
duke@435	118	return blueprint()->oop_partially_loaded(this);
duke@435	119	}
duke@435	120
duke@435	121
duke@435	122	void oopDesc::set_partially_loaded() {
duke@435	123	blueprint()->oop_set_partially_loaded(this);
duke@435	124	}
duke@435	125
duke@435	126
duke@435	127	intptr_t oopDesc::slow_identity_hash() {
duke@435	128	// slow case; we have to acquire the micro lock in order to locate the header
duke@435	129	ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
duke@435	130	HandleMark hm;
duke@435	131	Handle object((oop)this);
duke@435	132	assert(!is_shared_readonly(), "using identity hash on readonly object?");
duke@435	133	return ObjectSynchronizer::identity_hash_value_for(object);
duke@435	134	}
duke@435	135
duke@435	136	VerifyOopClosure VerifyOopClosure::verify_oop;
coleenp@548	137
coleenp@548	138	void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }
coleenp@548	139	void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }