hotspot/src/share/vm/memory/serialize.cpp
author kvn
Wed, 29 Dec 2010 10:41:43 -0800
changeset 7715 12998f95a334
parent 7397 5b173b4ca846
child 8076 96d498ec7ae1
permissions -rw-r--r--
7008325: CodeCache exhausted on sparc starting from hs20b04 Summary: remove clear_scratch_buffer_blob and let init_scratch_buffer_blob free and allocate a new blob if required. Reviewed-by: twisti
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
     2
 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
5547
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 3795
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 3795
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 3795
diff changeset
    21
 * questions.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    25
#include "precompiled.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    26
#include "classfile/symbolTable.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    27
#include "classfile/systemDictionary.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    28
#include "code/codeCache.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    29
#include "memory/classify.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    30
#include "memory/compactingPermGenGen.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    31
#include "oops/compiledICHolderOop.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    32
#include "oops/methodDataOop.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    33
#include "oops/objArrayOop.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    34
#include "oops/oop.inline.hpp"
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
// Serialize out the block offset shared array for the shared spaces.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
void CompactingPermGenGen::serialize_bts(SerializeOopClosure* soc) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
  _ro_bts->serialize(soc, readonly_bottom, readonly_end);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
  _rw_bts->serialize(soc, readwrite_bottom, readwrite_end);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
// Read/write a data stream for restoring/preserving oop pointers and
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
// miscellaneous data from/to the shared archive file.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
void CompactingPermGenGen::serialize_oops(SerializeOopClosure* soc) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
  int tag = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
  soc->do_tag(--tag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    51
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 1
diff changeset
    52
  assert(!UseCompressedOops, "UseCompressedOops doesn't work with shared archive");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    53
  // Verify the sizes of various oops in the system.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    54
  soc->do_tag(sizeof(oopDesc));
489c9b5090e2 Initial load
duke
parents:
diff changeset
    55
  soc->do_tag(sizeof(instanceOopDesc));
489c9b5090e2 Initial load
duke
parents:
diff changeset
    56
  soc->do_tag(sizeof(methodOopDesc));
489c9b5090e2 Initial load
duke
parents:
diff changeset
    57
  soc->do_tag(sizeof(constMethodOopDesc));
489c9b5090e2 Initial load
duke
parents:
diff changeset
    58
  soc->do_tag(sizeof(methodDataOopDesc));
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 1
diff changeset
    59
  soc->do_tag(arrayOopDesc::base_offset_in_bytes(T_BYTE));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    60
  soc->do_tag(sizeof(constantPoolOopDesc));
489c9b5090e2 Initial load
duke
parents:
diff changeset
    61
  soc->do_tag(sizeof(constantPoolCacheOopDesc));
3595
d67c151b72a5 6860920: serialize.cpp shouldn't use objArrayOopDesc::base_offset_in_bytes(T_BYTE)
twisti
parents: 670
diff changeset
    62
  soc->do_tag(objArrayOopDesc::base_offset_in_bytes());
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 1
diff changeset
    63
  soc->do_tag(typeArrayOopDesc::base_offset_in_bytes(T_BYTE));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    64
  soc->do_tag(sizeof(symbolOopDesc));
489c9b5090e2 Initial load
duke
parents:
diff changeset
    65
  soc->do_tag(sizeof(klassOopDesc));
489c9b5090e2 Initial load
duke
parents:
diff changeset
    66
  soc->do_tag(sizeof(markOopDesc));
489c9b5090e2 Initial load
duke
parents:
diff changeset
    67
  soc->do_tag(sizeof(compiledICHolderOopDesc));
489c9b5090e2 Initial load
duke
parents:
diff changeset
    68
489c9b5090e2 Initial load
duke
parents:
diff changeset
    69
  // Dump the block offset table entries.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    70
  GenCollectedHeap* gch = GenCollectedHeap::heap();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    71
  CompactingPermGenGen* pg = (CompactingPermGenGen*)gch->perm_gen();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    72
  pg->serialize_bts(soc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    73
  soc->do_tag(--tag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    74
  pg->ro_space()->serialize_block_offset_array_offsets(soc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    75
  soc->do_tag(--tag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    76
  pg->rw_space()->serialize_block_offset_array_offsets(soc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    77
  soc->do_tag(--tag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    78
489c9b5090e2 Initial load
duke
parents:
diff changeset
    79
  // Special case - this oop needed in oop->is_oop() assertions.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    80
  soc->do_ptr((void**)&Universe::_klassKlassObj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    81
  soc->do_tag(--tag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    82
489c9b5090e2 Initial load
duke
parents:
diff changeset
    83
  // Dump/restore miscellaneous oops.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    84
  Universe::oops_do(soc, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    85
  soc->do_tag(--tag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    86
489c9b5090e2 Initial load
duke
parents:
diff changeset
    87
  vmSymbols::oops_do(soc, true);               soc->do_tag(--tag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    88
  CodeCache::oops_do(soc);                     soc->do_tag(--tag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    89
  soc->do_tag(666);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    90
}