Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/memory/iterator.cpp@4788266644c1 (annotated)
src/share/vm/memory/iterator.cpp
Thu, 21 Jan 2010 11:33:32 -0800
- author
- jmasa
- date
- Thu, 21 Jan 2010 11:33:32 -0800
- changeset 1625
- 4788266644c1
- parent 1435
- a1423fe86a18
- child 1907
- c18cbe5936b8
- child 1918
- 1a5913bf5e19
- permissions
- -rw-r--r--
6895236: CMS: cmsOopClosures.inline.hpp:43 assert(..., "Should remember klasses in this context")
Summary: Adjust assertion checking for ExplicitGCInvokesConcurrentAndUnloadsClasses as a reason for class unloading
Reviewed-by: ysr
| duke@435 | 1 | /* |
| xdono@1383 | 2 | * Copyright 1997-2009 Sun Microsystems, Inc. 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 | * |
| duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@435 | 21 | * have any questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| duke@435 | 25 | # include "incls/_precompiled.incl" |
| duke@435 | 26 | # include "incls/_iterator.cpp.incl" |
| duke@435 | 27 | |
| jmasa@1370 | 28 | #ifdef ASSERT |
| jmasa@1370 | 29 | bool OopClosure::_must_remember_klasses = false; |
| jmasa@1370 | 30 | #endif |
| jmasa@1370 | 31 | |
| duke@435 | 32 | void ObjectToOopClosure::do_object(oop obj) { |
| duke@435 | 33 | obj->oop_iterate(_cl); |
| duke@435 | 34 | } |
| duke@435 | 35 | |
| duke@435 | 36 | void VoidClosure::do_void() { |
| duke@435 | 37 | ShouldNotCallThis(); |
| duke@435 | 38 | } |
| jmasa@1370 | 39 | |
| jmasa@1370 | 40 | #ifdef ASSERT |
| jmasa@1370 | 41 | bool OopClosure::must_remember_klasses() { |
| jmasa@1370 | 42 | return _must_remember_klasses; |
| jmasa@1370 | 43 | } |
| jmasa@1370 | 44 | void OopClosure::set_must_remember_klasses(bool v) { |
| jmasa@1370 | 45 | _must_remember_klasses = v; |
| jmasa@1370 | 46 | } |
| jmasa@1370 | 47 | #endif |
| jmasa@1370 | 48 | |
| jrose@1428 | 49 | |
| jrose@1424 | 50 | MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate) |
| jrose@1424 | 51 | : _active(activate) |
| jrose@1424 | 52 | { |
| jrose@1424 | 53 | if (_active) nmethod::oops_do_marking_prologue(); |
| jrose@1424 | 54 | } |
| jrose@1424 | 55 | |
| jrose@1424 | 56 | MarkingCodeBlobClosure::MarkScope::~MarkScope() { |
| jrose@1424 | 57 | if (_active) nmethod::oops_do_marking_epilogue(); |
| jrose@1424 | 58 | } |
| jrose@1424 | 59 | |
| jrose@1424 | 60 | void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) { |
| jrose@1424 | 61 | if (!cb->is_nmethod()) return; |
| jrose@1424 | 62 | nmethod* nm = (nmethod*) cb; |
| jrose@1424 | 63 | if (!nm->test_set_oops_do_mark()) { |
| jrose@1424 | 64 | NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, 1st visit\n")); |
| jrose@1424 | 65 | do_newly_marked_nmethod(nm); |
| jrose@1424 | 66 | } else { |
| jrose@1424 | 67 | NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, skipped on 2nd visit\n")); |
| jrose@1424 | 68 | } |
| jrose@1424 | 69 | } |
| jrose@1424 | 70 | |
| jrose@1429 | 71 | void CodeBlobToOopClosure::do_newly_marked_nmethod(nmethod* nm) { |
| jrose@1429 | 72 | nm->oops_do(_cl, /*do_strong_roots_only=*/ true); |
| jrose@1424 | 73 | } |
| jrose@1424 | 74 | |
| jrose@1424 | 75 | void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) { |
| jrose@1424 | 76 | if (!_do_marking) { |
| jrose@1424 | 77 | NOT_PRODUCT(if (TraceScavenge && Verbose && cb->is_nmethod()) ((nmethod*)cb)->print_on(tty, "oops_do, unmarked visit\n")); |
| jrose@1424 | 78 | // This assert won't work, since there are lots of mini-passes |
| jrose@1424 | 79 | // (mostly in debug mode) that co-exist with marking phases. |
| jrose@1424 | 80 | //assert(!(cb->is_nmethod() && ((nmethod*)cb)->test_oops_do_mark()), "found marked nmethod during mark-free phase"); |
| jrose@1424 | 81 | cb->oops_do(_cl); |
| jrose@1424 | 82 | } else { |
| jrose@1424 | 83 | MarkingCodeBlobClosure::do_code_blob(cb); |
| jrose@1424 | 84 | } |
| jrose@1424 | 85 | } |
| jrose@1424 | 86 | |
| jrose@1424 | 87 |
