Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/shared/immutableSpace.cpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
---|---|
date | Mon, 10 Jun 2013 11:30:51 +0200 |
parents | db9981fd3124 |
children | de6a9e811145 |
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/* * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "utilities/macros.hpp" #if INCLUDE_ALL_GCS #include "gc_implementation/shared/immutableSpace.hpp" #include "memory/universe.hpp" #include "oops/oop.inline.hpp" #endif // INCLUDE_ALL_GCS void ImmutableSpace::initialize(MemRegion mr) { HeapWord* bottom = mr.start(); HeapWord* end = mr.end(); assert(Universe::on_page_boundary(bottom) && Universe::on_page_boundary(end), "invalid space boundaries"); _bottom = bottom; _end = end; } void ImmutableSpace::oop_iterate(ExtendedOopClosure* cl) { HeapWord* obj_addr = bottom(); HeapWord* t = end(); // Could call objects iterate, but this is easier. while (obj_addr < t) { obj_addr += oop(obj_addr)->oop_iterate(cl); } } void ImmutableSpace::object_iterate(ObjectClosure* cl) { HeapWord* p = bottom(); while (p < end()) { cl->do_object(oop(p)); p += oop(p)->size(); } } #ifndef PRODUCT void ImmutableSpace::print_short() const { tty->print(" space " SIZE_FORMAT "K, 100%% used", capacity_in_bytes() / K); } void ImmutableSpace::print() const { print_short(); tty->print_cr(" [%#-6lx,%#-6lx)", bottom(), end()); } #endif void ImmutableSpace::verify() { HeapWord* p = bottom(); HeapWord* t = end(); HeapWord* prev_p = NULL; while (p < t) { oop(p)->verify(); prev_p = p; p += oop(p)->size(); } guarantee(p == end(), "end of last object must match end of space"); }