Mercurial > hg > truffle
annotate src/share/vm/classfile/resolutionErrors.hpp @ 1744:f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
Summary: Test minimal stack sizes given (also fixed linux compilation error)
Reviewed-by: never, phh, coleenp
author | ptisnovs |
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date | Thu, 19 Aug 2010 14:23:59 -0400 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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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 | |
25 class ResolutionErrorEntry; | |
26 | |
27 // ResolutionError objects are used to record errors encountered during | |
28 // constant pool resolution (JVMS 5.4.3). | |
29 | |
30 class ResolutionErrorTable : public Hashtable { | |
31 | |
32 public: | |
33 ResolutionErrorTable(int table_size); | |
34 | |
35 ResolutionErrorEntry* new_entry(int hash, constantPoolOop pool, int cp_index, symbolOop error); | |
36 | |
37 ResolutionErrorEntry* bucket(int i) { | |
38 return (ResolutionErrorEntry*)Hashtable::bucket(i); | |
39 } | |
40 | |
41 ResolutionErrorEntry** bucket_addr(int i) { | |
42 return (ResolutionErrorEntry**)Hashtable::bucket_addr(i); | |
43 } | |
44 | |
45 void add_entry(int index, ResolutionErrorEntry* new_entry) { | |
46 Hashtable::add_entry(index, (HashtableEntry*)new_entry); | |
47 } | |
48 | |
49 void add_entry(int index, unsigned int hash, | |
50 constantPoolHandle pool, int which, symbolHandle error); | |
51 | |
52 | |
53 // find error given the constant pool and constant pool index | |
54 ResolutionErrorEntry* find_entry(int index, unsigned int hash, | |
55 constantPoolHandle pool, int cp_index); | |
56 | |
57 | |
58 unsigned int compute_hash(constantPoolHandle pool, int cp_index) { | |
59 return (unsigned int) pool->identity_hash() + cp_index; | |
60 } | |
61 | |
62 // purges unloaded entries from the table | |
63 void purge_resolution_errors(BoolObjectClosure* is_alive); | |
64 | |
65 // this table keeps symbolOops alive | |
66 void always_strong_classes_do(OopClosure* blk); | |
67 | |
68 // GC support. | |
69 void oops_do(OopClosure* f); | |
70 }; | |
71 | |
72 | |
73 class ResolutionErrorEntry : public HashtableEntry { | |
74 private: | |
75 int _cp_index; | |
76 symbolOop _error; | |
77 | |
78 public: | |
79 constantPoolOop pool() const { return (constantPoolOop)literal(); } | |
80 constantPoolOop* pool_addr() { return (constantPoolOop*)literal_addr(); } | |
81 | |
82 int cp_index() const { return _cp_index; } | |
83 void set_cp_index(int cp_index) { _cp_index = cp_index; } | |
84 | |
85 symbolOop error() const { return _error; } | |
86 void set_error(symbolOop e) { _error = e; } | |
87 symbolOop* error_addr() { return &_error; } | |
88 | |
89 ResolutionErrorEntry* next() const { | |
90 return (ResolutionErrorEntry*)HashtableEntry::next(); | |
91 } | |
92 | |
93 ResolutionErrorEntry** next_addr() { | |
94 return (ResolutionErrorEntry**)HashtableEntry::next_addr(); | |
95 } | |
96 | |
97 // GC support | |
98 void oops_do(OopClosure* blk); | |
99 }; |