1 /*
2 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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
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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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
24
25 #ifndef SHARE_CDS_FINALIMAGERECIPES_HPP
26 #define SHARE_CDS_FINALIMAGERECIPES_HPP
27
28 #include "oops/oopsHierarchy.hpp"
29 #include "utilities/exceptions.hpp"
30
31 class InstanceKlass;
32 class Klass;
33
34 template <typename T> class GrowableArray;
35 template <typename T> class Array;
36
37 // This class is used only by the "one step training workflow". It records the
38 // "recipes" for creating the final CDS image.
39 // - The recipes are recorded when CDSConfig::is_dumping_preimage_static_archive() is true;
40 // - The recipes are applied when CDSConfig::is_dumping_final_static_archive() is true;
41 class FinalImageRecipes {
42 // The classes who have resolved at least one indy CP entry during the training run.
43 // _indy_cp_indices[i] is a list of all resolved CP entries for _indy_klasses[i].
44 Array<InstanceKlass*>* _indy_klasses;
45 Array<Array<int>*>* _indy_cp_indices;
46
47 // The RefectionData for _reflect_klasses[i] should be initialized with _reflect_flags[i]
48 Array<InstanceKlass*>* _reflect_klasses;
49 Array<int>* _reflect_flags;
50
51 static GrowableArray<InstanceKlass*>* _tmp_reflect_klasses;
52 static GrowableArray<int>* _tmp_reflect_flags;
53
54 struct TmpDynamicProxyClassInfo {
55 int _loader_type;
56 int _access_flags;
57 const char* _proxy_name;
58 GrowableArray<Klass*>* _interfaces;
59 };
60
61 struct DynamicProxyClassInfo {
62 int _loader_type;
63 int _access_flags;
64 const char* _proxy_name;
65 Array<Klass*>* _interfaces;
66 };
67
68 Array<DynamicProxyClassInfo>* _dynamic_proxy_classes;
69
70 static GrowableArray<TmpDynamicProxyClassInfo>* _tmp_dynamic_proxy_classes;
71
72 FinalImageRecipes() : _indy_klasses(nullptr), _indy_cp_indices(nullptr),
73 _reflect_klasses(nullptr), _reflect_flags(nullptr),
74 _dynamic_proxy_classes(nullptr) {}
75
76 void* operator new(size_t size) throw();
77
78 // Called when dumping preimage
79 void record_recipes_impl();
80
81 // Called when dumping final image
82 void apply_recipes_for_dynamic_proxies(TRAPS);
83 void apply_recipes_for_invokedynamic(TRAPS);
84 void apply_recipes_for_reflection_data(JavaThread* current);
85
86 public:
87 static void serialize(SerializeClosure* soc, bool is_static_archive);
88
89 // Called when dumping preimage
90 static void add_dynamic_proxy_class(oop loader, const char* proxy_name, objArrayOop interfaces, int access_flags);
91 static void add_reflection_data_flags(InstanceKlass* ik, TRAPS);
92 static void record_recipes();
93
94 // Called when dumping final image
95 static void apply_recipes(TRAPS);
96 };
97
98 #endif // SHARE_CDS_FINALIMAGERECIPES_HPP