Mercurial > hg > graal-jvmci-8
view src/share/vm/gc_implementation/shared/markSweep.inline.hpp @ 100:c7c777385a15
6667042: PrintAssembly option does not work without special plugin
Summary: remove old private plugin interface, simplify, rework old plugin to use unchanged Gnu sources
Reviewed-by: kvn, rasbold
author | jrose |
---|---|
date | Wed, 02 Apr 2008 12:09:59 -0700 |
parents | a61af66fc99e |
children | ba764ed4b6f2 |
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/* * Copyright 2000-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ inline void MarkSweep::_adjust_pointer(oop* p, bool isroot) { oop obj = *p; VALIDATE_MARK_SWEEP_ONLY(oop saved_new_pointer = NULL); if (obj != NULL) { oop new_pointer = oop(obj->mark()->decode_pointer()); assert(new_pointer != NULL || // is forwarding ptr? obj->mark() == markOopDesc::prototype() || // not gc marked? (UseBiasedLocking && obj->mark()->has_bias_pattern()) || // not gc marked? obj->is_shared(), // never forwarded? "should contain a forwarding pointer"); if (new_pointer != NULL) { *p = new_pointer; assert(Universe::heap()->is_in_reserved(new_pointer), "should be in object space"); VALIDATE_MARK_SWEEP_ONLY(saved_new_pointer = new_pointer); } } VALIDATE_MARK_SWEEP_ONLY(track_adjusted_pointer(p, saved_new_pointer, isroot)); } inline void MarkSweep::mark_object(oop obj) { #ifndef SERIALGC if (UseParallelOldGC && VerifyParallelOldWithMarkSweep) { assert(PSParallelCompact::mark_bitmap()->is_marked(obj), "Should be marked in the marking bitmap"); } #endif // SERIALGC // some marks may contain information we need to preserve so we store them away // and overwrite the mark. We'll restore it at the end of markSweep. markOop mark = obj->mark(); obj->set_mark(markOopDesc::prototype()->set_marked()); if (mark->must_be_preserved(obj)) { preserve_mark(obj, mark); } }