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src/share/vm/oops/oop.cpp@f96fcd9e1e1b (annotated)

src/share/vm/oops/oop.cpp

Thu, 14 Jun 2018 09:15:08 -0700

author

kevinw

date

Thu, 14 Jun 2018 09:15:08 -0700

changeset 9327

f96fcd9e1e1b

parent 6680

78bbf4d43a14

child 9448

73d689add964

child 10008

fd3484fadbe3

permissions

-rw-r--r--

8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
Summary: Need to add a space between macro identifier and string literal
Reviewed-by: bpittore, stefank, dholmes, kbarrett

duke@435	1	/*
minqi@6351	2	* Copyright (c) 1997, 2014, 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"
coleenp@4037	26	#include "classfile/altHashing.hpp"
stefank@2314	27	#include "classfile/javaClasses.hpp"
stefank@2314	28	#include "oops/oop.inline.hpp"
stefank@2314	29	#include "runtime/handles.inline.hpp"
stefank@4299	30	#include "runtime/thread.inline.hpp"
stefank@2314	31	#include "utilities/copy.hpp"
duke@435	32
drchase@6680	33	PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
drchase@6680	34
duke@435	35	bool always_do_update_barrier = false;
duke@435	36
duke@435	37	BarrierSet* oopDesc::_bs = NULL;
duke@435	38
duke@435	39	void oopDesc::print_on(outputStream* st) const {
duke@435	40	if (this == NULL) {
duke@435	41	st->print_cr("NULL");
duke@435	42	} else {
coleenp@4037	43	klass()->oop_print_on(oop(this), st);
duke@435	44	}
duke@435	45	}
duke@435	46
duke@435	47	void oopDesc::print_address_on(outputStream* st) const {
duke@435	48	if (PrintOopAddress) {
kevinw@9327	49	st->print("{" INTPTR_FORMAT "}", this);
duke@435	50	}
duke@435	51	}
duke@435	52
duke@435	53	void oopDesc::print() { print_on(tty); }
duke@435	54
duke@435	55	void oopDesc::print_address() { print_address_on(tty); }
duke@435	56
duke@435	57	char* oopDesc::print_string() {
jrose@1590	58	stringStream st;
jrose@1590	59	print_on(&st);
jrose@1590	60	return st.as_string();
jrose@1590	61	}
jrose@1590	62
jrose@1590	63	void oopDesc::print_value() {
jrose@1590	64	print_value_on(tty);
duke@435	65	}
duke@435	66
duke@435	67	char* oopDesc::print_value_string() {
jrose@1590	68	char buf[100];
jrose@1590	69	stringStream st(buf, sizeof(buf));
jrose@1590	70	print_value_on(&st);
jrose@1590	71	return st.as_string();
duke@435	72	}
duke@435	73
jrose@1590	74	void oopDesc::print_value_on(outputStream* st) const {
jrose@1590	75	oop obj = oop(this);
jrose@1590	76	if (this == NULL) {
jrose@1590	77	st->print("NULL");
jrose@1590	78	} else if (java_lang_String::is_instance(obj)) {
jrose@1590	79	java_lang_String::print(obj, st);
jrose@1590	80	if (PrintOopAddress) print_address_on(st);
jrose@1590	81	} else {
coleenp@4037	82	klass()->oop_print_value_on(obj, st);
jrose@1590	83	}
jrose@1590	84	}
jrose@1590	85
duke@435	86
duke@435	87	void oopDesc::verify_on(outputStream* st) {
duke@435	88	if (this != NULL) {
coleenp@4037	89	klass()->oop_verify_on(this, st);
duke@435	90	}
duke@435	91	}
duke@435	92
duke@435	93
duke@435	94	void oopDesc::verify() {
duke@435	95	verify_on(tty);
duke@435	96	}
duke@435	97
duke@435	98	intptr_t oopDesc::slow_identity_hash() {
duke@435	99	// slow case; we have to acquire the micro lock in order to locate the header
duke@435	100	ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
duke@435	101	HandleMark hm;
coleenp@4037	102	Handle object(this);
duke@435	103	return ObjectSynchronizer::identity_hash_value_for(object);
duke@435	104	}
duke@435	105
coleenp@4037	106	// When String table needs to rehash
minqi@6351	107	unsigned int oopDesc::new_hash(juint seed) {
hseigel@4987	108	EXCEPTION_MARK;
coleenp@4037	109	ResourceMark rm;
coleenp@4037	110	int length;
hseigel@4987	111	jchar* chars = java_lang_String::as_unicode_string(this, length, THREAD);
hseigel@4987	112	if (chars != NULL) {
hseigel@4987	113	// Use alternate hashing algorithm on the string
hseigel@4987	114	return AltHashing::murmur3_32(seed, chars, length);
hseigel@4987	115	} else {
ccheung@4993	116	vm_exit_out_of_memory(length, OOM_MALLOC_ERROR, "unable to create Unicode strings for String table rehash");
hseigel@4987	117	return 0;
hseigel@4987	118	}
coleenp@4037	119	}
coleenp@4037	120
duke@435	121	VerifyOopClosure VerifyOopClosure::verify_oop;
coleenp@548	122
coleenp@548	123	void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }
coleenp@548	124	void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }