1 /*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "art_method-inl.h"
18 #include "callee_save_frame.h"
19 #include "entrypoints/entrypoint_utils-inl.h"
20 #include "class_linker-inl.h"
21 #include "dex_file-inl.h"
22 #include "gc/accounting/card_table-inl.h"
23 #include "mirror/object_array-inl.h"
24 #include "mirror/object-inl.h"
25
26 namespace art {
27
artInitializeStaticStorageFromCode(uint32_t type_idx,Thread * self)28 extern "C" mirror::Class* artInitializeStaticStorageFromCode(uint32_t type_idx, Thread* self)
29 SHARED_REQUIRES(Locks::mutator_lock_) {
30 // Called to ensure static storage base is initialized for direct static field reads and writes.
31 // A class may be accessing another class' fields when it doesn't have access, as access has been
32 // given by inheritance.
33 ScopedQuickEntrypointChecks sqec(self);
34 auto* caller = GetCalleeSaveMethodCaller(self, Runtime::kRefsOnly);
35 return ResolveVerifyAndClinit(type_idx, caller, self, true, false);
36 }
37
artInitializeTypeFromCode(uint32_t type_idx,Thread * self)38 extern "C" mirror::Class* artInitializeTypeFromCode(uint32_t type_idx, Thread* self)
39 SHARED_REQUIRES(Locks::mutator_lock_) {
40 // Called when method->dex_cache_resolved_types_[] misses.
41 ScopedQuickEntrypointChecks sqec(self);
42 auto* caller = GetCalleeSaveMethodCaller(self, Runtime::kRefsOnly);
43 return ResolveVerifyAndClinit(type_idx, caller, self, false, false);
44 }
45
artInitializeTypeAndVerifyAccessFromCode(uint32_t type_idx,Thread * self)46 extern "C" mirror::Class* artInitializeTypeAndVerifyAccessFromCode(uint32_t type_idx, Thread* self)
47 SHARED_REQUIRES(Locks::mutator_lock_) {
48 // Called when caller isn't guaranteed to have access to a type and the dex cache may be
49 // unpopulated.
50 ScopedQuickEntrypointChecks sqec(self);
51 auto* caller = GetCalleeSaveMethodCaller(self, Runtime::kRefsOnly);
52 return ResolveVerifyAndClinit(type_idx, caller, self, false, true);
53 }
54
artResolveStringFromCode(int32_t string_idx,Thread * self)55 extern "C" mirror::String* artResolveStringFromCode(int32_t string_idx, Thread* self)
56 SHARED_REQUIRES(Locks::mutator_lock_) {
57 ScopedQuickEntrypointChecks sqec(self);
58 auto* caller = GetCalleeSaveMethodCaller(self, Runtime::kRefsOnly);
59 return ResolveStringFromCode(caller, string_idx);
60 }
61
62 } // namespace art
63