1 /* 2 * Copyright (C) 2011 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 "dex_cache.h" 18 19 #include "art_method-inl.h" 20 #include "base/logging.h" 21 #include "class_linker.h" 22 #include "gc/accounting/card_table-inl.h" 23 #include "gc/heap.h" 24 #include "globals.h" 25 #include "object.h" 26 #include "object-inl.h" 27 #include "object_array-inl.h" 28 #include "runtime.h" 29 #include "string.h" 30 31 namespace art { 32 namespace mirror { 33 34 void DexCache::Init(const DexFile* dex_file, 35 String* location, 36 ObjectArray<String>* strings, 37 ObjectArray<Class>* resolved_types, 38 ObjectArray<ArtMethod>* resolved_methods, 39 ObjectArray<ArtField>* resolved_fields, 40 ObjectArray<StaticStorageBase>* initialized_static_storage) { 41 CHECK(dex_file != NULL); 42 CHECK(location != NULL); 43 CHECK(strings != NULL); 44 CHECK(resolved_types != NULL); 45 CHECK(resolved_methods != NULL); 46 CHECK(resolved_fields != NULL); 47 CHECK(initialized_static_storage != NULL); 48 49 SetFieldPtr(OFFSET_OF_OBJECT_MEMBER(DexCache, dex_file_), dex_file, false); 50 SetFieldObject(OFFSET_OF_OBJECT_MEMBER(DexCache, location_), location, false); 51 SetFieldObject(StringsOffset(), strings, false); 52 SetFieldObject(OFFSET_OF_OBJECT_MEMBER(DexCache, resolved_types_), resolved_types, false); 53 SetFieldObject(ResolvedMethodsOffset(), resolved_methods, false); 54 SetFieldObject(ResolvedFieldsOffset(), resolved_fields, false); 55 SetFieldObject(OFFSET_OF_OBJECT_MEMBER(DexCache, initialized_static_storage_), 56 initialized_static_storage, false); 57 58 Runtime* runtime = Runtime::Current(); 59 if (runtime->HasResolutionMethod()) { 60 // Initialize the resolve methods array to contain trampolines for resolution. 61 ArtMethod* trampoline = runtime->GetResolutionMethod(); 62 size_t length = resolved_methods->GetLength(); 63 for (size_t i = 0; i < length; i++) { 64 resolved_methods->SetWithoutChecks(i, trampoline); 65 } 66 } 67 } 68 69 void DexCache::Fixup(ArtMethod* trampoline) { 70 // Fixup the resolve methods array to contain trampoline for resolution. 71 CHECK(trampoline != NULL); 72 ObjectArray<ArtMethod>* resolved_methods = GetResolvedMethods(); 73 size_t length = resolved_methods->GetLength(); 74 for (size_t i = 0; i < length; i++) { 75 if (resolved_methods->GetWithoutChecks(i) == NULL) { 76 resolved_methods->SetWithoutChecks(i, trampoline); 77 } 78 } 79 } 80 81 } // namespace mirror 82 } // namespace art 83
