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 | |
| 42 | static size_t LengthAsArray(size_t elements) { |
| 43 | return kMax * elements; |
| 44 | } |
| 45 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 46 | size_t NumCodeAndDirectMethods() const { |
| 47 | return GetLength() / kMax; |
| 48 | } |
| 49 | |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 50 | private: |
| 51 | enum TupleIndex { |
| 52 | kCode = 0, |
| 53 | kMethod = 1, |
| 54 | kMax = 2, |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 55 | }; |
| 56 | |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 57 | }; |
| 58 | |
| 59 | class DexCache : public ObjectArray<Object> { |
| 60 | public: |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 61 | void Init(String* location, |
| 62 | ObjectArray<String>* strings, |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 63 | ObjectArray<Class>* types, |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 64 | ObjectArray<Method>* methods, |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 65 | ObjectArray<Field>* fields, |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 66 | CodeAndDirectMethods* code_and_direct_methods, |
| 67 | ObjectArray<StaticStorageBase>* initialized_static_storage); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 68 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 69 | String* GetLocation() const { |
| 70 | return Get(kLocation)->AsString(); |
| 71 | } |
| 72 | |
buzbee | 5cd2180 | 2011-08-26 10:40:14 -0700 | [diff] [blame] | 73 | static MemberOffset StringsOffset() { |
| 74 | return MemberOffset(DataOffset().Int32Value() + |
| 75 | kStrings * sizeof(Object*)); |
buzbee | c5ef046 | 2011-08-25 18:44:49 -0700 | [diff] [blame] | 76 | } |
| 77 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 78 | static MemberOffset ResolvedFieldsOffset() { |
buzbee | 5cd2180 | 2011-08-26 10:40:14 -0700 | [diff] [blame] | 79 | return MemberOffset(DataOffset().Int32Value() + |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 80 | kResolvedFields * sizeof(Object*)); |
buzbee | c5ef046 | 2011-08-25 18:44:49 -0700 | [diff] [blame] | 81 | } |
| 82 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 83 | static MemberOffset ResolvedMethodsOffset() { |
buzbee | 5cd2180 | 2011-08-26 10:40:14 -0700 | [diff] [blame] | 84 | return MemberOffset(DataOffset().Int32Value() + |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 85 | kResolvedMethods * sizeof(Object*)); |
buzbee | c5ef046 | 2011-08-25 18:44:49 -0700 | [diff] [blame] | 86 | } |
| 87 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 88 | size_t NumStrings() const { |
| 89 | return GetStrings()->GetLength(); |
| 90 | } |
| 91 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 92 | size_t NumResolvedTypes() const { |
| 93 | return GetResolvedTypes()->GetLength(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 94 | } |
| 95 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 96 | size_t NumResolvedMethods() const { |
| 97 | return GetResolvedMethods()->GetLength(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 98 | } |
| 99 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 100 | size_t NumResolvedFields() const { |
| 101 | return GetResolvedFields()->GetLength(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 102 | } |
| 103 | |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 104 | size_t NumCodeAndDirectMethods() const { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 105 | return GetCodeAndDirectMethods()->NumCodeAndDirectMethods(); |
| 106 | } |
| 107 | |
| 108 | size_t NumInitializedStaticStorage() const { |
| 109 | return GetInitializedStaticStorage()->GetLength(); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 110 | } |
| 111 | |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 112 | const String* GetResolvedString(uint32_t string_idx) const { |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 113 | return GetStrings()->Get(string_idx); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 114 | } |
| 115 | |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 116 | void SetResolvedString(uint32_t string_idx, const String* resolved) { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 117 | GetStrings()->Set(string_idx, resolved); |
| 118 | } |
| 119 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 120 | Class* GetResolvedType(uint32_t type_idx) const { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 121 | return GetResolvedTypes()->Get(type_idx); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 122 | } |
| 123 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 124 | void SetResolvedType(uint32_t type_idx, Class* resolved) { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 125 | GetResolvedTypes()->Set(type_idx, resolved); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | Method* GetResolvedMethod(uint32_t method_idx) const { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 129 | return GetResolvedMethods()->Get(method_idx); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | void SetResolvedMethod(uint32_t method_idx, Method* resolved) { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 133 | GetResolvedMethods()->Set(method_idx, resolved); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | Field* GetResolvedField(uint32_t field_idx) const { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 137 | return GetResolvedFields()->Get(field_idx); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | void SetResolvedfield(uint32_t field_idx, Field* resolved) { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 141 | GetResolvedFields()->Set(field_idx, resolved); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 142 | } |
| 143 | |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 144 | ObjectArray<const String>* GetStrings() const { |
| 145 | return static_cast<ObjectArray<const String>*>(GetNonNull(kStrings)); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 146 | } |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 147 | ObjectArray<Class>* GetResolvedTypes() const { |
| 148 | return static_cast<ObjectArray<Class>*>(GetNonNull(kResolvedTypes)); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 149 | } |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 150 | ObjectArray<Method>* GetResolvedMethods() const { |
| 151 | return static_cast<ObjectArray<Method>*>(GetNonNull(kResolvedMethods)); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 152 | } |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 153 | ObjectArray<Field>* GetResolvedFields() const { |
| 154 | return static_cast<ObjectArray<Field>*>(GetNonNull(kResolvedFields)); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 155 | } |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 156 | CodeAndDirectMethods* GetCodeAndDirectMethods() const { |
| 157 | return static_cast<CodeAndDirectMethods*>(GetNonNull(kCodeAndDirectMethods)); |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 158 | } |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 159 | ObjectArray<StaticStorageBase>* GetInitializedStaticStorage() const { |
| 160 | return static_cast<ObjectArray<StaticStorageBase>*>(GetNonNull(kInitializedStaticStorage)); |
| 161 | } |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 162 | |
| 163 | static size_t LengthAsArray() { |
| 164 | return kMax; |
| 165 | } |
Brian Carlstrom | c4fa2c0 | 2011-08-21 03:00:12 -0700 | [diff] [blame] | 166 | |
| 167 | private: |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 168 | |
| 169 | enum ArrayIndex { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 170 | kLocation = 0, |
| 171 | kStrings = 1, |
| 172 | kResolvedTypes = 2, |
| 173 | kResolvedMethods = 3, |
| 174 | kResolvedFields = 4, |
| 175 | kCodeAndDirectMethods = 5, |
| 176 | kInitializedStaticStorage = 6, |
| 177 | kMax = 7, |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 178 | }; |
| 179 | |
Brian Carlstrom | c4fa2c0 | 2011-08-21 03:00:12 -0700 | [diff] [blame] | 180 | Object* GetNonNull(ArrayIndex array_index) const { |
| 181 | Object* obj = Get(array_index); |
| 182 | DCHECK(obj != NULL); |
| 183 | return obj; |
| 184 | } |
| 185 | DISALLOW_IMPLICIT_CONSTRUCTORS(DexCache); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 186 | }; |
| 187 | |
| 188 | } // namespace art |
| 189 | |
| 190 | #endif // ART_SRC_DEX_CACHE_H_ |