Mercurial > hg > graal-compiler
annotate src/share/vm/ci/ciCPCache.cpp @ 1766:02f0a9b6f654
6969586: OptimizeStringConcat: SIGSEGV in LoadNode::Value()
Reviewed-by: kvn
author | never |
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date | Mon, 30 Aug 2010 17:27:35 -0700 |
parents | 136b78722a08 |
children | f95d63e2154a |
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1137 | 1 /* |
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2 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. |
1137 | 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. |
1137 | 22 * |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
26 #include "incls/_ciCPCache.cpp.incl" | |
27 | |
28 // ciCPCache | |
29 | |
30 // ------------------------------------------------------------------ | |
31 // ciCPCache::get_f1_offset | |
32 size_t ciCPCache::get_f1_offset(int index) { | |
33 // Calculate the offset from the constantPoolCacheOop to the f1 | |
34 // field. | |
35 ByteSize f1_offset = | |
36 constantPoolCacheOopDesc::entry_offset(index) + | |
37 ConstantPoolCacheEntry::f1_offset(); | |
38 | |
39 return in_bytes(f1_offset); | |
40 } | |
41 | |
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42 |
1137 | 43 // ------------------------------------------------------------------ |
1295 | 44 // ciCPCache::is_f1_null_at |
45 bool ciCPCache::is_f1_null_at(int index) { | |
46 VM_ENTRY_MARK; | |
1602 | 47 oop f1 = entry_at(index)->f1(); |
1295 | 48 return (f1 == NULL); |
49 } | |
50 | |
51 | |
52 // ------------------------------------------------------------------ | |
1602 | 53 // ciCPCache::get_pool_index |
54 int ciCPCache::get_pool_index(int index) { | |
55 VM_ENTRY_MARK; | |
56 ConstantPoolCacheEntry* e = entry_at(index); | |
57 if (e->is_secondary_entry()) | |
58 e = entry_at(e->main_entry_index()); | |
59 return e->constant_pool_index(); | |
60 } | |
61 | |
62 | |
63 // ------------------------------------------------------------------ | |
1137 | 64 // ciCPCache::print |
65 // | |
66 // Print debugging information about the cache. | |
67 void ciCPCache::print() { | |
68 Unimplemented(); | |
69 } |