src/share/vm/memory/serialize.cpp

Mon, 23 Jun 2008 16:49:37 -0700

author
ysr
date
Mon, 23 Jun 2008 16:49:37 -0700
changeset 782
60fb9c4db4e6
parent 548
ba764ed4b6f2
child 631
d1605aabd0a1
permissions
-rw-r--r--

6718086: CMS assert: _concurrent_iteration_safe_limit update missed
Summary: Initialize the field correctly in ContiguousSpace's constructor and initialize() methods, using the latter for the survivor spaces upon initial construction or a subsequent resizing of the young generation. Add some missing Space sub-class constructors.
Reviewed-by: apetrusenko

     1 /*
     2  * Copyright 2003-2007 Sun Microsystems, Inc.  All Rights Reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  *
    23  */
    25 # include "incls/_precompiled.incl"
    26 # include "incls/_serialize.cpp.incl"
    29 // Serialize out the block offset shared array for the shared spaces.
    31 void CompactingPermGenGen::serialize_bts(SerializeOopClosure* soc) {
    32   _ro_bts->serialize(soc, readonly_bottom, readonly_end);
    33   _rw_bts->serialize(soc, readwrite_bottom, readwrite_end);
    34 }
    37 // Read/write a data stream for restoring/preserving oop pointers and
    38 // miscellaneous data from/to the shared archive file.
    40 void CompactingPermGenGen::serialize_oops(SerializeOopClosure* soc) {
    41   int tag = 0;
    42   soc->do_tag(--tag);
    44   assert(!UseCompressedOops, "UseCompressedOops doesn't work with shared archive");
    45   // Verify the sizes of various oops in the system.
    46   soc->do_tag(sizeof(oopDesc));
    47   soc->do_tag(sizeof(instanceOopDesc));
    48   soc->do_tag(sizeof(methodOopDesc));
    49   soc->do_tag(sizeof(constMethodOopDesc));
    50   soc->do_tag(sizeof(methodDataOopDesc));
    51   soc->do_tag(arrayOopDesc::base_offset_in_bytes(T_BYTE));
    52   soc->do_tag(sizeof(constantPoolOopDesc));
    53   soc->do_tag(sizeof(constantPoolCacheOopDesc));
    54   soc->do_tag(objArrayOopDesc::base_offset_in_bytes(T_BYTE));
    55   soc->do_tag(typeArrayOopDesc::base_offset_in_bytes(T_BYTE));
    56   soc->do_tag(sizeof(symbolOopDesc));
    57   soc->do_tag(sizeof(klassOopDesc));
    58   soc->do_tag(sizeof(markOopDesc));
    59   soc->do_tag(sizeof(compiledICHolderOopDesc));
    61   // Dump the block offset table entries.
    62   GenCollectedHeap* gch = GenCollectedHeap::heap();
    63   CompactingPermGenGen* pg = (CompactingPermGenGen*)gch->perm_gen();
    64   pg->serialize_bts(soc);
    65   soc->do_tag(--tag);
    66   pg->ro_space()->serialize_block_offset_array_offsets(soc);
    67   soc->do_tag(--tag);
    68   pg->rw_space()->serialize_block_offset_array_offsets(soc);
    69   soc->do_tag(--tag);
    71   // Special case - this oop needed in oop->is_oop() assertions.
    72   soc->do_ptr((void**)&Universe::_klassKlassObj);
    73   soc->do_tag(--tag);
    75   // Dump/restore miscellaneous oops.
    76   Universe::oops_do(soc, true);
    77   soc->do_tag(--tag);
    79   vmSymbols::oops_do(soc, true);               soc->do_tag(--tag);
    80   CodeCache::oops_do(soc);                     soc->do_tag(--tag);
    81   soc->do_tag(666);
    82 }

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