Mercurial > hg > truffle
annotate src/share/vm/memory/generationSpec.cpp @ 4058:59e515ee9354
7059047: EA: can't find initializing store with several CheckCastPP
Summary: Split adjust_escape_state() method into two methods to find initializing stores.
Reviewed-by: never
author | kvn |
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date | Mon, 07 Nov 2011 14:33:57 -0800 |
parents | f95d63e2154a |
children | 9f059abe8cf2 |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. |
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4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
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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). | |
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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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "memory/compactPermGen.hpp" | |
27 #include "memory/defNewGeneration.hpp" | |
28 #include "memory/filemap.hpp" | |
29 #include "memory/genRemSet.hpp" | |
30 #include "memory/generationSpec.hpp" | |
31 #include "memory/tenuredGeneration.hpp" | |
32 #include "runtime/java.hpp" | |
33 #ifndef SERIALGC | |
34 #include "gc_implementation/concurrentMarkSweep/cmsPermGen.hpp" | |
35 #include "gc_implementation/parNew/asParNewGeneration.hpp" | |
36 #include "gc_implementation/parNew/parNewGeneration.hpp" | |
37 #endif | |
0 | 38 |
39 Generation* GenerationSpec::init(ReservedSpace rs, int level, | |
40 GenRemSet* remset) { | |
41 switch (name()) { | |
42 case Generation::DefNew: | |
43 return new DefNewGeneration(rs, init_size(), level); | |
44 | |
45 case Generation::MarkSweepCompact: | |
46 return new TenuredGeneration(rs, init_size(), level, remset); | |
47 | |
48 #ifndef SERIALGC | |
49 case Generation::ParNew: | |
50 return new ParNewGeneration(rs, init_size(), level); | |
51 | |
52 case Generation::ASParNew: | |
53 return new ASParNewGeneration(rs, | |
54 init_size(), | |
55 init_size() /* min size */, | |
56 level); | |
57 | |
58 case Generation::ConcurrentMarkSweep: { | |
59 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); | |
60 CardTableRS* ctrs = remset->as_CardTableRS(); | |
61 if (ctrs == NULL) { | |
62 vm_exit_during_initialization("Rem set incompatibility."); | |
63 } | |
64 // Otherwise | |
65 // The constructor creates the CMSCollector if needed, | |
66 // else registers with an existing CMSCollector | |
67 | |
68 ConcurrentMarkSweepGeneration* g = NULL; | |
69 g = new ConcurrentMarkSweepGeneration(rs, | |
70 init_size(), level, ctrs, UseCMSAdaptiveFreeLists, | |
71 (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice); | |
72 | |
73 g->initialize_performance_counters(); | |
74 | |
75 return g; | |
76 } | |
77 | |
78 case Generation::ASConcurrentMarkSweep: { | |
79 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); | |
80 CardTableRS* ctrs = remset->as_CardTableRS(); | |
81 if (ctrs == NULL) { | |
82 vm_exit_during_initialization("Rem set incompatibility."); | |
83 } | |
84 // Otherwise | |
85 // The constructor creates the CMSCollector if needed, | |
86 // else registers with an existing CMSCollector | |
87 | |
88 ASConcurrentMarkSweepGeneration* g = NULL; | |
89 g = new ASConcurrentMarkSweepGeneration(rs, | |
90 init_size(), level, ctrs, UseCMSAdaptiveFreeLists, | |
91 (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice); | |
92 | |
93 g->initialize_performance_counters(); | |
94 | |
95 return g; | |
96 } | |
97 #endif // SERIALGC | |
98 | |
99 default: | |
100 guarantee(false, "unrecognized GenerationName"); | |
101 return NULL; | |
102 } | |
103 } | |
104 | |
105 | |
106 PermanentGenerationSpec::PermanentGenerationSpec(PermGen::Name name, | |
107 size_t init_size, size_t max_size, | |
108 size_t read_only_size, size_t read_write_size, | |
109 size_t misc_data_size, size_t misc_code_size) { | |
110 _name = name; | |
111 _init_size = init_size; | |
112 | |
113 if (UseSharedSpaces || DumpSharedSpaces) { | |
114 _enable_shared_spaces = true; | |
115 if (UseSharedSpaces) { | |
116 // Override shared space sizes from those in the file. | |
117 FileMapInfo* mapinfo = FileMapInfo::current_info(); | |
118 _read_only_size = mapinfo->space_capacity(CompactingPermGenGen::ro); | |
119 _read_write_size = mapinfo->space_capacity(CompactingPermGenGen::rw); | |
120 _misc_data_size = mapinfo->space_capacity(CompactingPermGenGen::md); | |
121 _misc_code_size = mapinfo->space_capacity(CompactingPermGenGen::mc); | |
122 } else { | |
123 _read_only_size = read_only_size; | |
124 _read_write_size = read_write_size; | |
125 _misc_data_size = misc_data_size; | |
126 _misc_code_size = misc_code_size; | |
127 } | |
128 } else { | |
129 _enable_shared_spaces = false; | |
130 _read_only_size = 0; | |
131 _read_write_size = 0; | |
132 _misc_data_size = 0; | |
133 _misc_code_size = 0; | |
134 } | |
135 | |
136 _max_size = max_size; | |
137 } | |
138 | |
139 | |
140 PermGen* PermanentGenerationSpec::init(ReservedSpace rs, | |
141 size_t init_size, | |
142 GenRemSet *remset) { | |
143 | |
144 // Break the reserved spaces into pieces for the permanent space | |
145 // and the shared spaces. | |
146 ReservedSpace perm_rs = rs.first_part(_max_size, UseSharedSpaces, | |
147 UseSharedSpaces); | |
148 ReservedSpace shared_rs = rs.last_part(_max_size); | |
149 | |
150 if (enable_shared_spaces()) { | |
151 if (!perm_rs.is_reserved() || | |
152 perm_rs.base() + perm_rs.size() != shared_rs.base()) { | |
153 FileMapInfo* mapinfo = FileMapInfo::current_info(); | |
154 mapinfo->fail_continue("Sharing disabled - unable to " | |
155 "reserve address space."); | |
156 shared_rs.release(); | |
157 disable_sharing(); | |
158 } | |
159 } | |
160 | |
161 switch (name()) { | |
162 case PermGen::MarkSweepCompact: | |
163 return new CompactingPermGen(perm_rs, shared_rs, init_size, remset, this); | |
164 | |
165 #ifndef SERIALGC | |
166 case PermGen::MarkSweep: | |
167 guarantee(false, "NYI"); | |
168 return NULL; | |
169 | |
170 case PermGen::ConcurrentMarkSweep: { | |
171 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); | |
172 CardTableRS* ctrs = remset->as_CardTableRS(); | |
173 if (ctrs == NULL) { | |
174 vm_exit_during_initialization("RemSet/generation incompatibility."); | |
175 } | |
176 // XXXPERM | |
177 return new CMSPermGen(perm_rs, init_size, ctrs, | |
178 (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice); | |
179 } | |
180 #endif // SERIALGC | |
181 default: | |
182 guarantee(false, "unrecognized GenerationName"); | |
183 return NULL; | |
184 } | |
185 } | |
186 | |
187 | |
188 // Alignment | |
189 void PermanentGenerationSpec::align(size_t alignment) { | |
190 _init_size = align_size_up(_init_size, alignment); | |
191 _max_size = align_size_up(_max_size, alignment); | |
192 _read_only_size = align_size_up(_read_only_size, alignment); | |
193 _read_write_size = align_size_up(_read_write_size, alignment); | |
194 _misc_data_size = align_size_up(_misc_data_size, alignment); | |
195 _misc_code_size = align_size_up(_misc_code_size, alignment); | |
196 | |
197 assert(enable_shared_spaces() || (_read_only_size + _read_write_size == 0), | |
198 "Shared space when disabled?"); | |
199 } |