| /* |
| * 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 <string> |
| |
| #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) |
| |
| 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) |
| static constexpr uint32_t kAccSkipHiddenapiChecks = 0x00100000; // class (runtime) |
| // Used by a class to denote that this class and any objects with this as a |
| // declaring-class/super-class are to be considered obsolete, meaning they should not be used by. |
| static constexpr uint32_t kAccObsoleteObject = 0x00200000; // 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. |
| // We need copies of the original method because the method may end up in different |
| // places in classes vtables, and the vtable index is set in ArtMethod.method_index. |
| // |
| // Default methods copied to a sub-interface or a concrete class shall have this bit set. |
| // Default conflict methods shall be marked as copied, abstract and default. |
| // Miranda methods shall be marked as copied and abstract but not default. |
| // |
| // We do not have intrinsics for any default methods and therefore intrinsics are never |
| // copied. We can therefore use a flag from the intrinsic flags range. |
| static constexpr uint32_t kAccCopied = 0x01000000; // method (runtime) |
| 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 = 0x00100000; // 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) |
| |
| // Set by the verifier for a method we do not want the compiler to compile. |
| static constexpr uint32_t kAccCompileDontBother = 0x02000000; // method (runtime) |
| |
| // Used in conjunction with kAccCompileDontBother to mark the method as pre compiled |
| // by the JIT compiler. We are reusing the value of the kAccPreviouslyWarm flag which |
| // is meaningless for other methods with kAccCompileDontBother as we do not collect |
| // samples for such methods. |
| static constexpr uint32_t kAccPreCompiled = 0x00800000; // method (runtime) |
| static_assert(kAccPreCompiled == kAccPreviouslyWarm); |
| |
| // 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) |
| |
| // Whether nterp can take a fast path when entering this method (runtime; non-native) |
| static constexpr uint32_t kAccNterpEntryPointFastPathFlag = 0x00100000; |
| // Set by the class linker to mark that a method does not have floating points |
| // or longs in its shorty. |
| static constexpr uint32_t kAccNterpInvokeFastPathFlag = 0x00200000; // method (runtime) |
| |
| static constexpr uint32_t kAccPublicApi = 0x10000000; // field, method |
| static constexpr uint32_t kAccCorePlatformApi = 0x20000000; // field, method |
| |
| // For methods which we'd like to share memory between zygote and apps. |
| // Uses an intrinsic bit but that's OK as intrinsics are always in the boot image. |
| static constexpr uint32_t kAccMemorySharedMethod = 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; |
| |
| static constexpr uint32_t kAccHiddenapiBits = kAccPublicApi | kAccCorePlatformApi; |
| |
| // 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 = kAccHiddenapiBits | |
| kAccSingleImplementation | kAccMustCountLocks | kAccCompileDontBother | kAccCopied | |
| kAccPreviouslyWarm | kAccMemorySharedMethod; |
| |
| // 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_ |
| |