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annotate src/share/vm/memory/generationSpec.cpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
| children | f95d63e2154a |
| rev | line source |
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| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2001, 2005, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_generationSpec.cpp.incl" | |
| 27 | |
| 28 Generation* GenerationSpec::init(ReservedSpace rs, int level, | |
| 29 GenRemSet* remset) { | |
| 30 switch (name()) { | |
| 31 case Generation::DefNew: | |
| 32 return new DefNewGeneration(rs, init_size(), level); | |
| 33 | |
| 34 case Generation::MarkSweepCompact: | |
| 35 return new TenuredGeneration(rs, init_size(), level, remset); | |
| 36 | |
| 37 #ifndef SERIALGC | |
| 38 case Generation::ParNew: | |
| 39 return new ParNewGeneration(rs, init_size(), level); | |
| 40 | |
| 41 case Generation::ASParNew: | |
| 42 return new ASParNewGeneration(rs, | |
| 43 init_size(), | |
| 44 init_size() /* min size */, | |
| 45 level); | |
| 46 | |
| 47 case Generation::ConcurrentMarkSweep: { | |
| 48 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); | |
| 49 CardTableRS* ctrs = remset->as_CardTableRS(); | |
| 50 if (ctrs == NULL) { | |
| 51 vm_exit_during_initialization("Rem set incompatibility."); | |
| 52 } | |
| 53 // Otherwise | |
| 54 // The constructor creates the CMSCollector if needed, | |
| 55 // else registers with an existing CMSCollector | |
| 56 | |
| 57 ConcurrentMarkSweepGeneration* g = NULL; | |
| 58 g = new ConcurrentMarkSweepGeneration(rs, | |
| 59 init_size(), level, ctrs, UseCMSAdaptiveFreeLists, | |
| 60 (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice); | |
| 61 | |
| 62 g->initialize_performance_counters(); | |
| 63 | |
| 64 return g; | |
| 65 } | |
| 66 | |
| 67 case Generation::ASConcurrentMarkSweep: { | |
| 68 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); | |
| 69 CardTableRS* ctrs = remset->as_CardTableRS(); | |
| 70 if (ctrs == NULL) { | |
| 71 vm_exit_during_initialization("Rem set incompatibility."); | |
| 72 } | |
| 73 // Otherwise | |
| 74 // The constructor creates the CMSCollector if needed, | |
| 75 // else registers with an existing CMSCollector | |
| 76 | |
| 77 ASConcurrentMarkSweepGeneration* g = NULL; | |
| 78 g = new ASConcurrentMarkSweepGeneration(rs, | |
| 79 init_size(), level, ctrs, UseCMSAdaptiveFreeLists, | |
| 80 (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice); | |
| 81 | |
| 82 g->initialize_performance_counters(); | |
| 83 | |
| 84 return g; | |
| 85 } | |
| 86 #endif // SERIALGC | |
| 87 | |
| 88 default: | |
| 89 guarantee(false, "unrecognized GenerationName"); | |
| 90 return NULL; | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 | |
| 95 PermanentGenerationSpec::PermanentGenerationSpec(PermGen::Name name, | |
| 96 size_t init_size, size_t max_size, | |
| 97 size_t read_only_size, size_t read_write_size, | |
| 98 size_t misc_data_size, size_t misc_code_size) { | |
| 99 _name = name; | |
| 100 _init_size = init_size; | |
| 101 | |
| 102 if (UseSharedSpaces || DumpSharedSpaces) { | |
| 103 _enable_shared_spaces = true; | |
| 104 if (UseSharedSpaces) { | |
| 105 // Override shared space sizes from those in the file. | |
| 106 FileMapInfo* mapinfo = FileMapInfo::current_info(); | |
| 107 _read_only_size = mapinfo->space_capacity(CompactingPermGenGen::ro); | |
| 108 _read_write_size = mapinfo->space_capacity(CompactingPermGenGen::rw); | |
| 109 _misc_data_size = mapinfo->space_capacity(CompactingPermGenGen::md); | |
| 110 _misc_code_size = mapinfo->space_capacity(CompactingPermGenGen::mc); | |
| 111 } else { | |
| 112 _read_only_size = read_only_size; | |
| 113 _read_write_size = read_write_size; | |
| 114 _misc_data_size = misc_data_size; | |
| 115 _misc_code_size = misc_code_size; | |
| 116 } | |
| 117 } else { | |
| 118 _enable_shared_spaces = false; | |
| 119 _read_only_size = 0; | |
| 120 _read_write_size = 0; | |
| 121 _misc_data_size = 0; | |
| 122 _misc_code_size = 0; | |
| 123 } | |
| 124 | |
| 125 _max_size = max_size; | |
| 126 } | |
| 127 | |
| 128 | |
| 129 PermGen* PermanentGenerationSpec::init(ReservedSpace rs, | |
| 130 size_t init_size, | |
| 131 GenRemSet *remset) { | |
| 132 | |
| 133 // Break the reserved spaces into pieces for the permanent space | |
| 134 // and the shared spaces. | |
| 135 ReservedSpace perm_rs = rs.first_part(_max_size, UseSharedSpaces, | |
| 136 UseSharedSpaces); | |
| 137 ReservedSpace shared_rs = rs.last_part(_max_size); | |
| 138 | |
| 139 if (enable_shared_spaces()) { | |
| 140 if (!perm_rs.is_reserved() || | |
| 141 perm_rs.base() + perm_rs.size() != shared_rs.base()) { | |
| 142 FileMapInfo* mapinfo = FileMapInfo::current_info(); | |
| 143 mapinfo->fail_continue("Sharing disabled - unable to " | |
| 144 "reserve address space."); | |
| 145 shared_rs.release(); | |
| 146 disable_sharing(); | |
| 147 } | |
| 148 } | |
| 149 | |
| 150 switch (name()) { | |
| 151 case PermGen::MarkSweepCompact: | |
| 152 return new CompactingPermGen(perm_rs, shared_rs, init_size, remset, this); | |
| 153 | |
| 154 #ifndef SERIALGC | |
| 155 case PermGen::MarkSweep: | |
| 156 guarantee(false, "NYI"); | |
| 157 return NULL; | |
| 158 | |
| 159 case PermGen::ConcurrentMarkSweep: { | |
| 160 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); | |
| 161 CardTableRS* ctrs = remset->as_CardTableRS(); | |
| 162 if (ctrs == NULL) { | |
| 163 vm_exit_during_initialization("RemSet/generation incompatibility."); | |
| 164 } | |
| 165 // XXXPERM | |
| 166 return new CMSPermGen(perm_rs, init_size, ctrs, | |
| 167 (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice); | |
| 168 } | |
| 169 #endif // SERIALGC | |
| 170 default: | |
| 171 guarantee(false, "unrecognized GenerationName"); | |
| 172 return NULL; | |
| 173 } | |
| 174 } | |
| 175 | |
| 176 | |
| 177 // Alignment | |
| 178 void PermanentGenerationSpec::align(size_t alignment) { | |
| 179 _init_size = align_size_up(_init_size, alignment); | |
| 180 _max_size = align_size_up(_max_size, alignment); | |
| 181 _read_only_size = align_size_up(_read_only_size, alignment); | |
| 182 _read_write_size = align_size_up(_read_write_size, alignment); | |
| 183 _misc_data_size = align_size_up(_misc_data_size, alignment); | |
| 184 _misc_code_size = align_size_up(_misc_code_size, alignment); | |
| 185 | |
| 186 assert(enable_shared_spaces() || (_read_only_size + _read_write_size == 0), | |
| 187 "Shared space when disabled?"); | |
| 188 } |