Mercurial > hg > truffle
annotate src/share/vm/utilities/hashtable.inline.hpp @ 6972:bd7a7ce2e264
6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com
| author | minqi |
|---|---|
| date | Mon, 12 Nov 2012 14:03:53 -0800 |
| parents | d2a62e0f25eb |
| children | ce8f6bb717c9 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 6162 | 2 * Copyright (c) 2003, 2012, 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 |
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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 #ifndef SHARE_VM_UTILITIES_HASHTABLE_INLINE_HPP |
| 26 #define SHARE_VM_UTILITIES_HASHTABLE_INLINE_HPP | |
| 27 | |
| 28 #include "memory/allocation.inline.hpp" | |
| 29 #include "utilities/hashtable.hpp" | |
| 6197 | 30 #include "utilities/dtrace.hpp" |
| 1972 | 31 |
| 0 | 32 // Inline function definitions for hashtable.hpp. |
| 33 | |
| 34 // -------------------------------------------------------------------------- | |
| 35 | |
| 36 // Initialize a table. | |
| 37 | |
| 6197 | 38 template <MEMFLAGS F> inline BasicHashtable<F>::BasicHashtable(int table_size, int entry_size) { |
| 0 | 39 // Called on startup, no locking needed |
| 40 initialize(table_size, entry_size, 0); | |
| 6197 | 41 _buckets = NEW_C_HEAP_ARRAY2(HashtableBucket<F>, table_size, F, CURRENT_PC); |
| 0 | 42 for (int index = 0; index < _table_size; index++) { |
| 43 _buckets[index].clear(); | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 | |
| 6197 | 48 template <MEMFLAGS F> inline BasicHashtable<F>::BasicHashtable(int table_size, int entry_size, |
| 49 HashtableBucket<F>* buckets, | |
| 0 | 50 int number_of_entries) { |
| 51 // Called on startup, no locking needed | |
| 52 initialize(table_size, entry_size, number_of_entries); | |
| 53 _buckets = buckets; | |
| 54 } | |
| 55 | |
| 56 | |
| 6197 | 57 template <MEMFLAGS F> inline void BasicHashtable<F>::initialize(int table_size, int entry_size, |
| 0 | 58 int number_of_entries) { |
| 59 // Called on startup, no locking needed | |
| 60 _table_size = table_size; | |
| 61 _entry_size = entry_size; | |
| 62 _free_list = NULL; | |
| 63 _first_free_entry = NULL; | |
| 64 _end_block = NULL; | |
| 65 _number_of_entries = number_of_entries; | |
| 66 #ifdef ASSERT | |
| 67 _lookup_count = 0; | |
| 68 _lookup_length = 0; | |
| 69 #endif | |
| 70 } | |
| 71 | |
| 72 | |
| 73 // The following method is MT-safe and may be used with caution. | |
| 6197 | 74 template <MEMFLAGS F> inline BasicHashtableEntry<F>* BasicHashtable<F>::bucket(int i) { |
| 0 | 75 return _buckets[i].get_entry(); |
| 76 } | |
| 77 | |
| 78 | |
| 6197 | 79 template <MEMFLAGS F> inline void HashtableBucket<F>::set_entry(BasicHashtableEntry<F>* l) { |
| 0 | 80 // Warning: Preserve store ordering. The SystemDictionary is read |
| 81 // without locks. The new SystemDictionaryEntry must be | |
| 82 // complete before other threads can be allowed to see it | |
| 83 // via a store to _buckets[index]. | |
| 84 OrderAccess::release_store_ptr(&_entry, l); | |
| 85 } | |
| 86 | |
| 87 | |
| 6197 | 88 template <MEMFLAGS F> inline BasicHashtableEntry<F>* HashtableBucket<F>::get_entry() const { |
| 0 | 89 // Warning: Preserve load ordering. The SystemDictionary is read |
| 90 // without locks. The new SystemDictionaryEntry must be | |
| 91 // complete before other threads can be allowed to see it | |
| 92 // via a store to _buckets[index]. | |
| 6197 | 93 return (BasicHashtableEntry<F>*) OrderAccess::load_ptr_acquire(&_entry); |
| 0 | 94 } |
| 95 | |
| 96 | |
| 6197 | 97 template <MEMFLAGS F> inline void BasicHashtable<F>::set_entry(int index, BasicHashtableEntry<F>* entry) { |
| 0 | 98 _buckets[index].set_entry(entry); |
| 99 } | |
| 100 | |
| 101 | |
| 6197 | 102 template <MEMFLAGS F> inline void BasicHashtable<F>::add_entry(int index, BasicHashtableEntry<F>* entry) { |
| 0 | 103 entry->set_next(bucket(index)); |
| 104 _buckets[index].set_entry(entry); | |
| 105 ++_number_of_entries; | |
| 106 } | |
| 107 | |
| 6197 | 108 template <MEMFLAGS F> inline void BasicHashtable<F>::free_entry(BasicHashtableEntry<F>* entry) { |
| 0 | 109 entry->set_next(_free_list); |
| 110 _free_list = entry; | |
| 111 --_number_of_entries; | |
| 112 } | |
| 1972 | 113 |
| 114 #endif // SHARE_VM_UTILITIES_HASHTABLE_INLINE_HPP |