jdk-sandbox: src/hotspot/share/gc/g1/g1SATBCardTableModRefBS.inline.hpp@fb0275c320a0 (annotated)

35862 411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	1	/*
47998 fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	2	* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
35862 411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	4	*
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	7	* published by the Free Software Foundation.
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	8	*
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	13	* accompanied this code).
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	14	*
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	18	*
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	21	* questions.
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	22	*
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	23	*/
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	24
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	25	#ifndef SHARE_VM_GC_G1_G1SATBCARDTABLEMODREFBS_INLINE_HPP
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	26	#define SHARE_VM_GC_G1_G1SATBCARDTABLEMODREFBS_INLINE_HPP
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	27
47998 fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	28	#include "gc/shared/accessBarrierSupport.inline.hpp"
35862 411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	29	#include "gc/g1/g1SATBCardTableModRefBS.hpp"
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	30	#include "oops/oop.inline.hpp"
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	31
47998 fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	32	template <DecoratorSet decorators, typename T>
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	33	inline void G1SATBCardTableModRefBS::write_ref_field_pre(T* field) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	34	if (HasDecorator<decorators, ARRAYCOPY_DEST_NOT_INITIALIZED>::value \|\|
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	35	HasDecorator<decorators, AS_NO_KEEPALIVE>::value) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	36	return;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	37	}
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	38
35862 411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	39	T heap_oop = oopDesc::load_heap_oop(field);
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	40	if (!oopDesc::is_null(heap_oop)) {
47998 fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	41	enqueue(oopDesc::decode_heap_oop_not_null(heap_oop));
35862 411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	42	}
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	43	}
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	44
47998 fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	45	template <DecoratorSet decorators, typename T>
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	46	inline void G1SATBCardTableLoggingModRefBS::write_ref_field_post(T* field, oop new_val) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	47	volatile jbyte* byte = byte_for(field);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	48	if (*byte != g1_young_gen) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	49	// Take a slow path for cards in old
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	50	write_ref_field_post_slow(byte);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	51	}
35862 411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	52	}
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	53
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	54	void G1SATBCardTableModRefBS::set_card_claimed(size_t card_index) {
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	55	jbyte val = _byte_map[card_index];
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	56	if (val == clean_card_val()) {
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	57	val = (jbyte)claimed_card_val();
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	58	} else {
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	59	val \|= (jbyte)claimed_card_val();
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	60	}
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	61	_byte_map[card_index] = val;
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	62	}
411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	63
47998 fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	64	inline void G1SATBCardTableModRefBS::enqueue_if_weak(DecoratorSet decorators, oop value) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	65	assert((decorators & ON_UNKNOWN_OOP_REF) == 0, "Reference strength must be known");
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	66	const bool on_strong_oop_ref = (decorators & ON_STRONG_OOP_REF) != 0;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	67	const bool peek = (decorators & AS_NO_KEEPALIVE) != 0;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	68
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	69	if (!peek && !on_strong_oop_ref && value != NULL) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	70	enqueue(value);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	71	}
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	72	}
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	73
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	74	template <DecoratorSet decorators, typename BarrierSetT>
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	75	template <typename T>
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	76	inline oop G1SATBCardTableLoggingModRefBS::AccessBarrier<decorators, BarrierSetT>::
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	77	oop_load_not_in_heap(T* addr) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	78	oop value = ModRef::oop_load_not_in_heap(addr);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	79	enqueue_if_weak(decorators, value);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	80	return value;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	81	}
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	82
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	83	template <DecoratorSet decorators, typename BarrierSetT>
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	84	template <typename T>
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	85	inline oop G1SATBCardTableLoggingModRefBS::AccessBarrier<decorators, BarrierSetT>::
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	86	oop_load_in_heap(T* addr) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	87	oop value = ModRef::oop_load_in_heap(addr);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	88	enqueue_if_weak(decorators, value);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	89	return value;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	90	}
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	91
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	92	template <DecoratorSet decorators, typename BarrierSetT>
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	93	inline oop G1SATBCardTableLoggingModRefBS::AccessBarrier<decorators, BarrierSetT>::
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	94	oop_load_in_heap_at(oop base, ptrdiff_t offset) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	95	oop value = ModRef::oop_load_in_heap_at(base, offset);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	96	enqueue_if_weak(AccessBarrierSupport::resolve_possibly_unknown_oop_ref_strength<decorators>(base, offset), value);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	97	return value;
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	98	}
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	99
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	100	template <DecoratorSet decorators, typename BarrierSetT>
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	101	template <typename T>
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	102	inline void G1SATBCardTableLoggingModRefBS::AccessBarrier<decorators, BarrierSetT>::
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	103	oop_store_not_in_heap(T* addr, oop new_value) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	104	if (HasDecorator<decorators, IN_CONCURRENT_ROOT>::value) {
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	105	// For roots not scanned in a safepoint, we have to apply SATB barriers
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	106	// even for roots.
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	107	G1SATBCardTableLoggingModRefBS *bs = barrier_set_cast<G1SATBCardTableLoggingModRefBS>(BarrierSet::barrier_set());
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	108	bs->write_ref_field_pre<decorators>(addr);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	109	}
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	110	Raw::oop_store(addr, new_value);
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	111	}
fb0275c320a0 8189871: Refactor GC barriers to use declarative semantics eosterlund parents: 47216 diff changeset	112
35862 411842d0c882 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files goetz parents: diff changeset	113	#endif // SHARE_VM_GC_G1_G1SATBCARDTABLEMODREFBS_INLINE_HPP

author	eosterlund
	Mon, 20 Nov 2017 13:07:44 +0100
changeset 47998	fb0275c320a0
parent 47216	71c04702a3d5
child 48628	69d65d9dcadb
permissions	-rw-r--r--