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src/share/vm/oops/oop.cpp@e392695de029 (annotated)

src/share/vm/oops/oop.cpp

Wed, 17 Mar 2010 11:01:05 +0100

author

fparain

date

Wed, 17 Mar 2010 11:01:05 +0100

changeset 1759

e392695de029

parent 1590

4e6abf09f540

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6935224: Adding new DTrace probes to work with Palantir
Summary: Adding probes related to thread scheduling and class initialization
Reviewed-by: kamg, never

duke@435	1	/*
jrose@1100	2	* Copyright 1997-2009 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/_oop.cpp.incl"
duke@435	27
duke@435	28	bool always_do_update_barrier = false;
duke@435	29
duke@435	30	BarrierSet* oopDesc::_bs = NULL;
duke@435	31
duke@435	32	#ifdef PRODUCT
duke@435	33	void oopDesc::print_on(outputStream* st) const {}
duke@435	34	void oopDesc::print_address_on(outputStream* st) const {}
duke@435	35	char* oopDesc::print_string() { return NULL; }
duke@435	36	void oopDesc::print() {}
duke@435	37	void oopDesc::print_address() {}
jrose@1590	38
jrose@1590	39	#else //PRODUCT
jrose@1590	40
duke@435	41	void oopDesc::print_on(outputStream* st) const {
duke@435	42	if (this == NULL) {
duke@435	43	st->print_cr("NULL");
duke@435	44	} else {
duke@435	45	blueprint()->oop_print_on(oop(this), st);
duke@435	46	}
duke@435	47	}
duke@435	48
duke@435	49	void oopDesc::print_address_on(outputStream* st) const {
duke@435	50	if (PrintOopAddress) {
jrose@1100	51	st->print("{"INTPTR_FORMAT"}", this);
duke@435	52	}
duke@435	53	}
duke@435	54
duke@435	55	void oopDesc::print() { print_on(tty); }
duke@435	56
duke@435	57	void oopDesc::print_address() { print_address_on(tty); }
duke@435	58
duke@435	59	char* oopDesc::print_string() {
jrose@1590	60	stringStream st;
jrose@1590	61	print_on(&st);
jrose@1590	62	return st.as_string();
jrose@1590	63	}
jrose@1590	64
jrose@1590	65	#endif // PRODUCT
jrose@1590	66
jrose@1590	67	// The print_value functions are present in all builds, to support the disassembler.
jrose@1590	68
jrose@1590	69	void oopDesc::print_value() {
jrose@1590	70	print_value_on(tty);
duke@435	71	}
duke@435	72
duke@435	73	char* oopDesc::print_value_string() {
jrose@1590	74	char buf[100];
jrose@1590	75	stringStream st(buf, sizeof(buf));
jrose@1590	76	print_value_on(&st);
jrose@1590	77	return st.as_string();
duke@435	78	}
duke@435	79
jrose@1590	80	void oopDesc::print_value_on(outputStream* st) const {
jrose@1590	81	oop obj = oop(this);
jrose@1590	82	if (this == NULL) {
jrose@1590	83	st->print("NULL");
jrose@1590	84	} else if (java_lang_String::is_instance(obj)) {
jrose@1590	85	java_lang_String::print(obj, st);
jrose@1590	86	#ifndef PRODUCT
jrose@1590	87	if (PrintOopAddress) print_address_on(st);
jrose@1590	88	#endif //PRODUCT
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); }