truffle: src/share/vm/memory/defNewGeneration.inline.hpp annotate

annotate src/share/vm/memory/defNewGeneration.inline.hpp @ 1972:f95d63e2154a

6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg

author	stefank
date	Tue, 23 Nov 2010 13:22:55 -0800
parents	c18cbe5936b8
children

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 196 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 196 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 196 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	25 #ifndef SHARE_VM_MEMORY_DEFNEWGENERATION_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	26 #define SHARE_VM_MEMORY_DEFNEWGENERATION_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	28 #include "memory/cardTableRS.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	29 #include "memory/defNewGeneration.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	30 #include "memory/space.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	31
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	32 // Methods of protected closure types
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	33
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	34 template <class T>
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	35 inline void DefNewGeneration::KeepAliveClosure::do_oop_work(T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	36 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	37 {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	38 // We never expect to see a null reference being processed
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	39 // as a weak reference.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	40 assert (!oopDesc::is_null(*p), "expected non-null ref");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	41 oop obj = oopDesc::load_decode_heap_oop_not_null(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	42 assert (obj->is_oop(), "expected an oop while scanning weak refs");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	43 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	44 #endif // ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	45
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	46 _cl->do_oop_nv(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	47
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	48 // Card marking is trickier for weak refs.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	49 // This oop is a 'next' field which was filled in while we
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	50 // were discovering weak references. While we might not need
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	51 // to take a special action to keep this reference alive, we
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	52 // will need to dirty a card as the field was modified.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	53 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	54 // Alternatively, we could create a method which iterates through
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	55 // each generation, allowing them in turn to examine the modified
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	56 // field.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	57 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	58 // We could check that p is also in an older generation, but
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	59 // dirty cards in the youngest gen are never scanned, so the
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	60 // extra check probably isn't worthwhile.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	61 if (Universe::heap()->is_in_reserved(p)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	62 oop obj = oopDesc::load_decode_heap_oop_not_null(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	63 _rs->inline_write_ref_field_gc(p, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	64 }
0 a61af66fc99e Initial load duke parents: diff changeset	65 }
a61af66fc99e Initial load duke parents: diff changeset	66
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	67 template <class T>
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	68 inline void DefNewGeneration::FastKeepAliveClosure::do_oop_work(T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	69 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	70 {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	71 // We never expect to see a null reference being processed
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	72 // as a weak reference.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	73 assert (!oopDesc::is_null(*p), "expected non-null ref");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	74 oop obj = oopDesc::load_decode_heap_oop_not_null(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	75 assert (obj->is_oop(), "expected an oop while scanning weak refs");
0 a61af66fc99e Initial load duke parents: diff changeset	76 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	77 #endif // ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	78
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	79 _cl->do_oop_nv(p);
0 a61af66fc99e Initial load duke parents: diff changeset	80
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	81 // Optimized for Defnew generation if it's the youngest generation:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	82 // we set a younger_gen card if we have an older->youngest
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	83 // generation pointer.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	84 oop obj = oopDesc::load_decode_heap_oop_not_null(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	85 if (((HeapWord*)obj < _boundary) && Universe::heap()->is_in_reserved(p)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	86 _rs->inline_write_ref_field_gc(p, obj);
0 a61af66fc99e Initial load duke parents: diff changeset	87 }
a61af66fc99e Initial load duke parents: diff changeset	88 }
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	89
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	90 #endif // SHARE_VM_MEMORY_DEFNEWGENERATION_INLINE_HPP

Mercurial > hg > truffle

annotate src/share/vm/memory/defNewGeneration.inline.hpp @ 1972:f95d63e2154a