Mercurial > hg > graal-jvmci-8
annotate src/share/vm/ci/ciObjectFactory.hpp @ 2022:2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
Summary: Implemented in-process C native stack frame decoding when symbols are available.
Reviewed-by: coleenp, never
author | zgu |
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date | Sat, 11 Dec 2010 13:20:56 -0500 |
parents | f95d63e2154a |
children | 06f017f7daa7 3582bf76420e |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1999, 2010, 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 * | |
1552
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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_CI_CIOBJECTFACTORY_HPP |
26 #define SHARE_VM_CI_CIOBJECTFACTORY_HPP | |
27 | |
28 #include "ci/ciClassList.hpp" | |
29 #include "ci/ciObject.hpp" | |
30 #include "utilities/growableArray.hpp" | |
31 | |
0 | 32 // ciObjectFactory |
33 // | |
34 // This class handles requests for the creation of new instances | |
35 // of ciObject and its subclasses. It contains a caching mechanism | |
36 // which ensures that for each oop, at most one ciObject is created. | |
37 // This invariant allows efficient implementation of ciObject. | |
38 class ciObjectFactory : public ResourceObj { | |
39 private: | |
40 static volatile bool _initialized; | |
41 static GrowableArray<ciObject*>* _shared_ci_objects; | |
42 static ciSymbol* _shared_ci_symbols[]; | |
43 static int _shared_ident_limit; | |
44 | |
45 Arena* _arena; | |
46 GrowableArray<ciObject*>* _ci_objects; | |
47 GrowableArray<ciMethod*>* _unloaded_methods; | |
48 GrowableArray<ciKlass*>* _unloaded_klasses; | |
1602 | 49 GrowableArray<ciInstance*>* _unloaded_instances; |
0 | 50 GrowableArray<ciReturnAddress*>* _return_addresses; |
51 int _next_ident; | |
52 | |
53 public: | |
54 struct NonPermObject : public ResourceObj { | |
55 ciObject* _object; | |
56 NonPermObject* _next; | |
57 | |
58 inline NonPermObject(NonPermObject* &bucket, oop key, ciObject* object); | |
59 ciObject* object() { return _object; } | |
60 NonPermObject* &next() { return _next; } | |
61 }; | |
62 private: | |
63 enum { NON_PERM_BUCKETS = 61 }; | |
64 NonPermObject* _non_perm_bucket[NON_PERM_BUCKETS]; | |
65 int _non_perm_count; | |
66 | |
67 int find(oop key, GrowableArray<ciObject*>* objects); | |
68 bool is_found_at(int index, oop key, GrowableArray<ciObject*>* objects); | |
69 void insert(int index, ciObject* obj, GrowableArray<ciObject*>* objects); | |
70 ciObject* create_new_object(oop o); | |
71 static bool is_equal(NonPermObject* p, oop key) { | |
72 return p->object()->get_oop() == key; | |
73 } | |
74 | |
75 NonPermObject* &find_non_perm(oop key); | |
76 void insert_non_perm(NonPermObject* &where, oop key, ciObject* obj); | |
77 | |
78 void init_ident_of(ciObject* obj); | |
79 | |
80 Arena* arena() { return _arena; } | |
81 | |
82 void print_contents_impl(); | |
83 | |
1602 | 84 ciInstance* get_unloaded_instance(ciInstanceKlass* klass); |
85 | |
0 | 86 public: |
87 static bool is_initialized() { return _initialized; } | |
88 | |
89 static void initialize(); | |
90 void init_shared_objects(); | |
91 | |
92 ciObjectFactory(Arena* arena, int expected_size); | |
93 | |
94 | |
95 // Get the ciObject corresponding to some oop. | |
96 ciObject* get(oop key); | |
97 | |
98 // Get the ciSymbol corresponding to one of the vmSymbols. | |
99 static ciSymbol* vm_symbol_at(int index); | |
100 | |
101 // Get the ciMethod representing an unloaded/unfound method. | |
102 ciMethod* get_unloaded_method(ciInstanceKlass* holder, | |
103 ciSymbol* name, | |
104 ciSymbol* signature); | |
105 | |
106 // Get a ciKlass representing an unloaded klass. | |
107 ciKlass* get_unloaded_klass(ciKlass* accessing_klass, | |
108 ciSymbol* name, | |
109 bool create_if_not_found); | |
110 | |
1602 | 111 // Get a ciInstance representing an unresolved klass mirror. |
112 ciInstance* get_unloaded_klass_mirror(ciKlass* type); | |
113 | |
114 // Get a ciInstance representing an unresolved method handle constant. | |
115 ciInstance* get_unloaded_method_handle_constant(ciKlass* holder, | |
116 ciSymbol* name, | |
117 ciSymbol* signature, | |
118 int ref_kind); | |
119 | |
120 // Get a ciInstance representing an unresolved method type constant. | |
121 ciInstance* get_unloaded_method_type_constant(ciSymbol* signature); | |
122 | |
0 | 123 |
124 // Get the ciMethodData representing the methodData for a method | |
125 // with none. | |
126 ciMethodData* get_empty_methodData(); | |
127 | |
128 ciReturnAddress* get_return_address(int bci); | |
129 | |
130 void print_contents(); | |
131 void print(); | |
132 }; | |
1972 | 133 |
134 #endif // SHARE_VM_CI_CIOBJECTFACTORY_HPP |