| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ART_LIBDEXFILE_DEX_MODIFIERS_H_ |
| #define ART_LIBDEXFILE_DEX_MODIFIERS_H_ |
| |
| #include <stdint.h> |
| |
| namespace art { |
| |
| static constexpr uint32_t kAccPublic = 0x0001; // class, field, method, ic |
| static constexpr uint32_t kAccPrivate = 0x0002; // field, method, ic |
| static constexpr uint32_t kAccProtected = 0x0004; // field, method, ic |
| static constexpr uint32_t kAccStatic = 0x0008; // field, method, ic |
| static constexpr uint32_t kAccFinal = 0x0010; // class, field, method, ic |
| static constexpr uint32_t kAccSynchronized = 0x0020; // method (only allowed on natives) |
| static constexpr uint32_t kAccSuper = 0x0020; // class (not used in dex) |
| static constexpr uint32_t kAccVolatile = 0x0040; // field |
| static constexpr uint32_t kAccBridge = 0x0040; // method (1.5) |
| static constexpr uint32_t kAccTransient = 0x0080; // field |
| static constexpr uint32_t kAccVarargs = 0x0080; // method (1.5) |
| static constexpr uint32_t kAccNative = 0x0100; // method |
| static constexpr uint32_t kAccInterface = 0x0200; // class, ic |
| static constexpr uint32_t kAccAbstract = 0x0400; // class, method, ic |
| static constexpr uint32_t kAccStrict = 0x0800; // method |
| static constexpr uint32_t kAccSynthetic = 0x1000; // class, field, method, ic |
| static constexpr uint32_t kAccAnnotation = 0x2000; // class, ic (1.5) |
| static constexpr uint32_t kAccEnum = 0x4000; // class, field, ic (1.5) |
| |
| static constexpr uint32_t kAccJavaFlagsMask = 0xffff; // bits set from Java sources (low 16) |
| |
| // The following flags are used to insert hidden API access flags into boot |
| // class path dex files. They are decoded by DexFile::ClassDataItemIterator and |
| // removed from the access flags before used by the runtime. |
| static constexpr uint32_t kAccDexHiddenBit = 0x00000020; // field, method (not native) |
| static constexpr uint32_t kAccDexHiddenBitNative = 0x00000200; // method (native) |
| |
| static constexpr uint32_t kAccConstructor = 0x00010000; // method (dex only) <(cl)init> |
| static constexpr uint32_t kAccDeclaredSynchronized = 0x00020000; // method (dex only) |
| static constexpr uint32_t kAccClassIsProxy = 0x00040000; // class (dex only) |
| // Set to indicate that the ArtMethod is obsolete and has a different DexCache + DexFile from its |
| // declaring class. This flag may only be applied to methods. |
| static constexpr uint32_t kAccObsoleteMethod = 0x00040000; // method (runtime) |
| // Used by a method to denote that its execution does not need to go through slow path interpreter. |
| static constexpr uint32_t kAccSkipAccessChecks = 0x00080000; // method (runtime, not native) |
| // Used by a class to denote that the verifier has attempted to check it at least once. |
| static constexpr uint32_t kAccVerificationAttempted = 0x00080000; // class (runtime) |
| static constexpr uint32_t kAccSkipHiddenApiChecks = 0x00100000; // class (runtime) |
| // This is set by the class linker during LinkInterfaceMethods. It is used by a method to represent |
| // that it was copied from its declaring class into another class. All methods marked kAccMiranda |
| // and kAccDefaultConflict will have this bit set. Any kAccDefault method contained in the methods_ |
| // array of a concrete class will also have this bit set. |
| static constexpr uint32_t kAccCopied = 0x00100000; // method (runtime) |
| static constexpr uint32_t kAccMiranda = 0x00200000; // method (runtime, not native) |
| static constexpr uint32_t kAccDefault = 0x00400000; // method (runtime) |
| // Native method flags are set when linking the methods based on the presence of the |
| // @dalvik.annotation.optimization.{Fast,Critical}Native annotations with build visibility. |
| // Reuse the values of kAccSkipAccessChecks and kAccMiranda which are not used for native methods. |
| static constexpr uint32_t kAccFastNative = 0x00080000; // method (runtime; native only) |
| static constexpr uint32_t kAccCriticalNative = 0x00200000; // method (runtime; native only) |
| |
| // Set by the JIT when clearing profiling infos to denote that a method was previously warm. |
| static constexpr uint32_t kAccPreviouslyWarm = 0x00800000; // method (runtime) |
| |
| // This is set by the class linker during LinkInterfaceMethods. Prior to that point we do not know |
| // if any particular method needs to be a default conflict. Used to figure out at runtime if |
| // invoking this method will throw an exception. |
| static constexpr uint32_t kAccDefaultConflict = 0x01000000; // method (runtime) |
| |
| // Set by the verifier for a method we do not want the compiler to compile. |
| static constexpr uint32_t kAccCompileDontBother = 0x02000000; // method (runtime) |
| |
| // Set by the verifier for a method that could not be verified to follow structured locking. |
| static constexpr uint32_t kAccMustCountLocks = 0x04000000; // method (runtime) |
| |
| // Set by the class linker for a method that has only one implementation for a |
| // virtual call. |
| static constexpr uint32_t kAccSingleImplementation = 0x08000000; // method (runtime) |
| |
| static constexpr uint32_t kAccHiddenApiBits = 0x30000000; // field, method |
| |
| // Not currently used, except for intrinsic methods where these bits |
| // are part of the intrinsic ordinal. |
| static constexpr uint32_t kAccMayBeUnusedBits = 0x40000000; |
| |
| // Set by the compiler driver when compiling boot classes with instrinsic methods. |
| static constexpr uint32_t kAccIntrinsic = 0x80000000; // method (runtime) |
| |
| // Special runtime-only flags. |
| // Interface and all its super-interfaces with default methods have been recursively initialized. |
| static constexpr uint32_t kAccRecursivelyInitialized = 0x20000000; |
| // Interface declares some default method. |
| static constexpr uint32_t kAccHasDefaultMethod = 0x40000000; |
| // class/ancestor overrides finalize() |
| static constexpr uint32_t kAccClassIsFinalizable = 0x80000000; |
| |
| // Continuous sequence of bits used to hold the ordinal of an intrinsic method. Flags |
| // which overlap are not valid when kAccIntrinsic is set. |
| static constexpr uint32_t kAccIntrinsicBits = kAccMayBeUnusedBits | kAccHiddenApiBits | |
| kAccSingleImplementation | kAccMustCountLocks | kAccCompileDontBother | kAccDefaultConflict | |
| kAccPreviouslyWarm; |
| |
| // Valid (meaningful) bits for a field. |
| static constexpr uint32_t kAccValidFieldFlags = kAccPublic | kAccPrivate | kAccProtected | |
| kAccStatic | kAccFinal | kAccVolatile | kAccTransient | kAccSynthetic | kAccEnum; |
| |
| // Valid (meaningful) bits for a method. |
| static constexpr uint32_t kAccValidMethodFlags = kAccPublic | kAccPrivate | kAccProtected | |
| kAccStatic | kAccFinal | kAccSynchronized | kAccBridge | kAccVarargs | kAccNative | |
| kAccAbstract | kAccStrict | kAccSynthetic | kAccConstructor | kAccDeclaredSynchronized; |
| static_assert(((kAccIntrinsic | kAccIntrinsicBits) & kAccValidMethodFlags) == 0, |
| "Intrinsic bits and valid dex file method access flags must not overlap."); |
| |
| // Valid (meaningful) bits for a class (not interface). |
| // Note 1. These are positive bits. Other bits may have to be zero. |
| // Note 2. Inner classes can expose more access flags to Java programs. That is handled by libcore. |
| static constexpr uint32_t kAccValidClassFlags = kAccPublic | kAccFinal | kAccSuper | |
| kAccAbstract | kAccSynthetic | kAccEnum; |
| |
| // Valid (meaningful) bits for an interface. |
| // Note 1. Annotations are interfaces. |
| // Note 2. These are positive bits. Other bits may have to be zero. |
| // Note 3. Inner classes can expose more access flags to Java programs. That is handled by libcore. |
| static constexpr uint32_t kAccValidInterfaceFlags = kAccPublic | kAccInterface | |
| kAccAbstract | kAccSynthetic | kAccAnnotation; |
| |
| static constexpr uint32_t kAccVisibilityFlags = kAccPublic | kAccPrivate | kAccProtected; |
| |
| // Returns a human-readable version of the Java part of the access flags, e.g., "private static " |
| // (note the trailing whitespace). |
| std::string PrettyJavaAccessFlags(uint32_t access_flags); |
| |
| } // namespace art |
| |
| #endif // ART_LIBDEXFILE_DEX_MODIFIERS_H_ |
| |