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 CHECK(dex_file != nullptr); 41 CHECK(location != nullptr); 42 CHECK(strings != nullptr); 43 CHECK(resolved_types != nullptr); 44 CHECK(resolved_methods != nullptr); 45 CHECK(resolved_fields != nullptr); 46 47 SetFieldPtr<false>(OFFSET_OF_OBJECT_MEMBER(DexCache, dex_file_), dex_file); 48 SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(DexCache, location_), location); 49 SetFieldObject<false>(StringsOffset(), strings); 50 SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(DexCache, resolved_types_), resolved_types); 51 SetFieldObject<false>(ResolvedMethodsOffset(), resolved_methods); 52 SetFieldObject<false>(ResolvedFieldsOffset(), resolved_fields); 53 54 Runtime* runtime = Runtime::Current(); 55 if (runtime->HasResolutionMethod()) { 56 // Initialize the resolve methods array to contain trampolines for resolution. 57 ArtMethod* trampoline = runtime->GetResolutionMethod(); 58 size_t length = resolved_methods->GetLength(); 59 for (size_t i = 0; i < length; i++) { 60 resolved_methods->SetWithoutChecks<false>(i, trampoline); 61 } 62 } 63 } 64 65 void DexCache::Fixup(ArtMethod* trampoline) { 66 // Fixup the resolve methods array to contain trampoline for resolution. 67 CHECK(trampoline != nullptr); 68 ObjectArray<ArtMethod>* resolved_methods = GetResolvedMethods(); 69 size_t length = resolved_methods->GetLength(); 70 for (size_t i = 0; i < length; i++) { 71 if (resolved_methods->GetWithoutChecks(i) == nullptr) { 72 resolved_methods->SetWithoutChecks<false>(i, trampoline); 73 } 74 } 75 } 76 77 } // namespace mirror 78 } // namespace art 79
