Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
| 2 | |
| 3 | #ifndef ART_SRC_DEX_CACHE_H_ |
| 4 | #define ART_SRC_DEX_CACHE_H_ |
| 5 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 6 | #include "dex_file.h" |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 7 | #include "globals.h" |
| 8 | #include "macros.h" |
| 9 | #include "object.h" |
| 10 | |
| 11 | namespace art { |
| 12 | |
| 13 | class Class; |
| 14 | class Field; |
| 15 | class Method; |
| 16 | class String; |
| 17 | union JValue; |
| 18 | |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 19 | class CodeAndDirectMethods : public IntArray { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 20 | public: |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 21 | Method* GetResolvedCode(uint32_t method_idx) const { |
| 22 | return reinterpret_cast<Method*>(Get(method_idx * kMax + kCode)); |
| 23 | } |
| 24 | void* GetResolvedMethod(uint32_t method_idx) const { |
| 25 | return reinterpret_cast<byte*>(Get(method_idx * kMax + kMethod)); |
| 26 | } |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 27 | |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 28 | void SetResolvedDirectMethodTrampoline(uint32_t method_idx) { |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 29 | UNIMPLEMENTED(WARNING) << "need to install a trampoline to resolve the method_idx at runtime"; |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 30 | Set(method_idx * kMax + kCode, 0xffffffff); |
| 31 | Set(method_idx * kMax + kMethod, method_idx); |
| 32 | } |
| 33 | |
| 34 | void SetResolvedDirectMethod(uint32_t method_idx, Method* method) { |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 35 | CHECK(method != NULL); |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 36 | CHECK(method->IsDirect()); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 37 | // CHECK(method->GetCode() != NULL); // TODO enable when all code is compiling |
| 38 | Set(method_idx * kMax + kCode, reinterpret_cast<int32_t>(method->GetCode())); |
| 39 | Set(method_idx * kMax + kMethod, reinterpret_cast<int32_t>(method)); |
| 40 | } |
| 41 | |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame^] | 42 | static size_t LengthAsArray(size_t elements) { |
| 43 | return kMax * elements; |
| 44 | } |
| 45 | |
| 46 | // Offset of resolved method entry from start of code_and_direct_methods_ |
| 47 | static size_t MethodOffsetInBytes(uint32_t method_idx) { |
| 48 | return ((method_idx * kMax + kMethod) * sizeof(ElementType) + |
| 49 | Array::DataOffset().Int32Value()); |
| 50 | } |
| 51 | |
| 52 | // Offset of resolved method's code_ from start of code_and_direct_methods_ |
| 53 | static size_t CodeOffsetInBytes(uint32_t method_idx) { |
| 54 | return ((method_idx * kMax + kCode) * sizeof(ElementType) + |
| 55 | Array::DataOffset().Int32Value()); |
| 56 | } |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 57 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 58 | size_t NumCodeAndDirectMethods() const { |
| 59 | return GetLength() / kMax; |
| 60 | } |
| 61 | |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 62 | private: |
| 63 | enum TupleIndex { |
| 64 | kCode = 0, |
| 65 | kMethod = 1, |
| 66 | kMax = 2, |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 67 | }; |
| 68 | |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 69 | }; |
| 70 | |
| 71 | class DexCache : public ObjectArray<Object> { |
| 72 | public: |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 73 | void Init(String* location, |
| 74 | ObjectArray<String>* strings, |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 75 | ObjectArray<Class>* types, |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 76 | ObjectArray<Method>* methods, |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 77 | ObjectArray<Field>* fields, |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 78 | CodeAndDirectMethods* code_and_direct_methods, |
| 79 | ObjectArray<StaticStorageBase>* initialized_static_storage); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 80 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 81 | String* GetLocation() const { |
| 82 | return Get(kLocation)->AsString(); |
| 83 | } |
| 84 | |
buzbee | 5cd2180 | 2011-08-26 10:40:14 -0700 | [diff] [blame] | 85 | static MemberOffset StringsOffset() { |
| 86 | return MemberOffset(DataOffset().Int32Value() + |
| 87 | kStrings * sizeof(Object*)); |
buzbee | c5ef046 | 2011-08-25 18:44:49 -0700 | [diff] [blame] | 88 | } |
| 89 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 90 | static MemberOffset ResolvedFieldsOffset() { |
buzbee | 5cd2180 | 2011-08-26 10:40:14 -0700 | [diff] [blame] | 91 | return MemberOffset(DataOffset().Int32Value() + |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 92 | kResolvedFields * sizeof(Object*)); |
buzbee | c5ef046 | 2011-08-25 18:44:49 -0700 | [diff] [blame] | 93 | } |
| 94 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 95 | static MemberOffset ResolvedMethodsOffset() { |
buzbee | 5cd2180 | 2011-08-26 10:40:14 -0700 | [diff] [blame] | 96 | return MemberOffset(DataOffset().Int32Value() + |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 97 | kResolvedMethods * sizeof(Object*)); |
buzbee | c5ef046 | 2011-08-25 18:44:49 -0700 | [diff] [blame] | 98 | } |
| 99 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 100 | size_t NumStrings() const { |
| 101 | return GetStrings()->GetLength(); |
| 102 | } |
| 103 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 104 | size_t NumResolvedTypes() const { |
| 105 | return GetResolvedTypes()->GetLength(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 106 | } |
| 107 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 108 | size_t NumResolvedMethods() const { |
| 109 | return GetResolvedMethods()->GetLength(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 110 | } |
| 111 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 112 | size_t NumResolvedFields() const { |
| 113 | return GetResolvedFields()->GetLength(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 114 | } |
| 115 | |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 116 | size_t NumCodeAndDirectMethods() const { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 117 | return GetCodeAndDirectMethods()->NumCodeAndDirectMethods(); |
| 118 | } |
| 119 | |
| 120 | size_t NumInitializedStaticStorage() const { |
| 121 | return GetInitializedStaticStorage()->GetLength(); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 122 | } |
| 123 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 124 | String* GetResolvedString(uint32_t string_idx) const { |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 125 | return GetStrings()->Get(string_idx); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 126 | } |
| 127 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 128 | void SetResolvedString(uint32_t string_idx, String* resolved) { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 129 | GetStrings()->Set(string_idx, resolved); |
| 130 | } |
| 131 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 132 | Class* GetResolvedType(uint32_t type_idx) const { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 133 | return GetResolvedTypes()->Get(type_idx); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 134 | } |
| 135 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 136 | void SetResolvedType(uint32_t type_idx, Class* resolved) { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 137 | GetResolvedTypes()->Set(type_idx, resolved); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | Method* GetResolvedMethod(uint32_t method_idx) const { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 141 | return GetResolvedMethods()->Get(method_idx); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 142 | } |
| 143 | |
| 144 | void SetResolvedMethod(uint32_t method_idx, Method* resolved) { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 145 | GetResolvedMethods()->Set(method_idx, resolved); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | Field* GetResolvedField(uint32_t field_idx) const { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 149 | return GetResolvedFields()->Get(field_idx); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | void SetResolvedfield(uint32_t field_idx, Field* resolved) { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 153 | GetResolvedFields()->Set(field_idx, resolved); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 154 | } |
| 155 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 156 | ObjectArray<String>* GetStrings() const { |
| 157 | return static_cast<ObjectArray<String>*>(GetNonNull(kStrings)); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 158 | } |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 159 | ObjectArray<Class>* GetResolvedTypes() const { |
| 160 | return static_cast<ObjectArray<Class>*>(GetNonNull(kResolvedTypes)); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 161 | } |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 162 | ObjectArray<Method>* GetResolvedMethods() const { |
| 163 | return static_cast<ObjectArray<Method>*>(GetNonNull(kResolvedMethods)); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 164 | } |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 165 | ObjectArray<Field>* GetResolvedFields() const { |
| 166 | return static_cast<ObjectArray<Field>*>(GetNonNull(kResolvedFields)); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 167 | } |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 168 | CodeAndDirectMethods* GetCodeAndDirectMethods() const { |
| 169 | return static_cast<CodeAndDirectMethods*>(GetNonNull(kCodeAndDirectMethods)); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 170 | } |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 171 | ObjectArray<StaticStorageBase>* GetInitializedStaticStorage() const { |
| 172 | return static_cast<ObjectArray<StaticStorageBase>*>(GetNonNull(kInitializedStaticStorage)); |
| 173 | } |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 174 | |
| 175 | static size_t LengthAsArray() { |
| 176 | return kMax; |
| 177 | } |
Brian Carlstrom | c4fa2c0 | 2011-08-21 03:00:12 -0700 | [diff] [blame] | 178 | |
| 179 | private: |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 180 | |
| 181 | enum ArrayIndex { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 182 | kLocation = 0, |
| 183 | kStrings = 1, |
| 184 | kResolvedTypes = 2, |
| 185 | kResolvedMethods = 3, |
| 186 | kResolvedFields = 4, |
| 187 | kCodeAndDirectMethods = 5, |
| 188 | kInitializedStaticStorage = 6, |
| 189 | kMax = 7, |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 190 | }; |
| 191 | |
Brian Carlstrom | c4fa2c0 | 2011-08-21 03:00:12 -0700 | [diff] [blame] | 192 | Object* GetNonNull(ArrayIndex array_index) const { |
| 193 | Object* obj = Get(array_index); |
| 194 | DCHECK(obj != NULL); |
| 195 | return obj; |
| 196 | } |
| 197 | DISALLOW_IMPLICIT_CONSTRUCTORS(DexCache); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 198 | }; |
| 199 | |
| 200 | } // namespace art |
| 201 | |
| 202 | #endif // ART_SRC_DEX_CACHE_H_ |