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src/share/vm/oops/oop.cpp@f08d439fab8c (annotated)

src/share/vm/oops/oop.cpp

Sun, 25 Sep 2011 16:03:29 -0700

author

never

date

Sun, 25 Sep 2011 16:03:29 -0700

changeset 3156

f08d439fab8c

parent 2314

f95d63e2154a

child 3711

b632e80fc9dc

permissions

-rw-r--r--

7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>

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
never@3156	39	#ifdef TARGET_OS_FAMILY_bsd
never@3156	40	# include "thread_bsd.inline.hpp"
never@3156	41	#endif
duke@435	42
duke@435	43	bool always_do_update_barrier = false;
duke@435	44
duke@435	45	BarrierSet* oopDesc::_bs = NULL;
duke@435	46
duke@435	47	void oopDesc::print_on(outputStream* st) const {
duke@435	48	if (this == NULL) {
duke@435	49	st->print_cr("NULL");
duke@435	50	} else {
duke@435	51	blueprint()->oop_print_on(oop(this), st);
duke@435	52	}
duke@435	53	}
duke@435	54
duke@435	55	void oopDesc::print_address_on(outputStream* st) const {
duke@435	56	if (PrintOopAddress) {
jrose@1100	57	st->print("{"INTPTR_FORMAT"}", this);
duke@435	58	}
duke@435	59	}
duke@435	60
duke@435	61	void oopDesc::print() { print_on(tty); }
duke@435	62
duke@435	63	void oopDesc::print_address() { print_address_on(tty); }
duke@435	64
duke@435	65	char* oopDesc::print_string() {
jrose@1590	66	stringStream st;
jrose@1590	67	print_on(&st);
jrose@1590	68	return st.as_string();
jrose@1590	69	}
jrose@1590	70
jrose@1590	71	void oopDesc::print_value() {
jrose@1590	72	print_value_on(tty);
duke@435	73	}
duke@435	74
duke@435	75	char* oopDesc::print_value_string() {
jrose@1590	76	char buf[100];
jrose@1590	77	stringStream st(buf, sizeof(buf));
jrose@1590	78	print_value_on(&st);
jrose@1590	79	return st.as_string();
duke@435	80	}
duke@435	81
jrose@1590	82	void oopDesc::print_value_on(outputStream* st) const {
jrose@1590	83	oop obj = oop(this);
jrose@1590	84	if (this == NULL) {
jrose@1590	85	st->print("NULL");
jrose@1590	86	} else if (java_lang_String::is_instance(obj)) {
jrose@1590	87	java_lang_String::print(obj, st);
jrose@1590	88	if (PrintOopAddress) print_address_on(st);
jrose@1590	89	#ifdef ASSERT
jrose@1590	90	} else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
jrose@1590	91	st->print("### BAD OOP %p ###", (address)obj);
jrose@1590	92	#endif //ASSERT
jrose@1590	93	} else {
jrose@1590	94	blueprint()->oop_print_value_on(obj, st);
jrose@1590	95	}
jrose@1590	96	}
jrose@1590	97
duke@435	98
duke@435	99	void oopDesc::verify_on(outputStream* st) {
duke@435	100	if (this != NULL) {
duke@435	101	blueprint()->oop_verify_on(this, st);
duke@435	102	}
duke@435	103	}
duke@435	104
duke@435	105
duke@435	106	void oopDesc::verify() {
duke@435	107	verify_on(tty);
duke@435	108	}
duke@435	109
duke@435	110
coleenp@548	111	// XXX verify_old_oop doesn't do anything (should we remove?)
duke@435	112	void oopDesc::verify_old_oop(oop* p, bool allow_dirty) {
duke@435	113	blueprint()->oop_verify_old_oop(this, p, allow_dirty);
duke@435	114	}
duke@435	115
coleenp@548	116	void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) {
coleenp@548	117	blueprint()->oop_verify_old_oop(this, p, allow_dirty);
coleenp@548	118	}
duke@435	119
duke@435	120	bool oopDesc::partially_loaded() {
duke@435	121	return blueprint()->oop_partially_loaded(this);
duke@435	122	}
duke@435	123
duke@435	124
duke@435	125	void oopDesc::set_partially_loaded() {
duke@435	126	blueprint()->oop_set_partially_loaded(this);
duke@435	127	}
duke@435	128
duke@435	129
duke@435	130	intptr_t oopDesc::slow_identity_hash() {
duke@435	131	// slow case; we have to acquire the micro lock in order to locate the header
duke@435	132	ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
duke@435	133	HandleMark hm;
duke@435	134	Handle object((oop)this);
duke@435	135	assert(!is_shared_readonly(), "using identity hash on readonly object?");
duke@435	136	return ObjectSynchronizer::identity_hash_value_for(object);
duke@435	137	}
duke@435	138
duke@435	139	VerifyOopClosure VerifyOopClosure::verify_oop;
coleenp@548	140
coleenp@548	141	void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }
coleenp@548	142	void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }