1 /* 2 * Copyright (C) 2012 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 #ifndef ART_RUNTIME_MODIFIERS_H_ 18 #define ART_RUNTIME_MODIFIERS_H_ 19 20 #include <stdint.h> 21 22 static constexpr uint32_t kAccPublic = 0x0001; // class, field, method, ic 23 static constexpr uint32_t kAccPrivate = 0x0002; // field, method, ic 24 static constexpr uint32_t kAccProtected = 0x0004; // field, method, ic 25 static constexpr uint32_t kAccStatic = 0x0008; // field, method, ic 26 static constexpr uint32_t kAccFinal = 0x0010; // class, field, method, ic 27 static constexpr uint32_t kAccSynchronized = 0x0020; // method (only allowed on natives) 28 static constexpr uint32_t kAccSuper = 0x0020; // class (not used in dex) 29 static constexpr uint32_t kAccVolatile = 0x0040; // field 30 static constexpr uint32_t kAccBridge = 0x0040; // method (1.5) 31 static constexpr uint32_t kAccTransient = 0x0080; // field 32 static constexpr uint32_t kAccVarargs = 0x0080; // method (1.5) 33 static constexpr uint32_t kAccNative = 0x0100; // method 34 static constexpr uint32_t kAccInterface = 0x0200; // class, ic 35 static constexpr uint32_t kAccAbstract = 0x0400; // class, method, ic 36 static constexpr uint32_t kAccStrict = 0x0800; // method 37 static constexpr uint32_t kAccSynthetic = 0x1000; // class, field, method, ic 38 static constexpr uint32_t kAccAnnotation = 0x2000; // class, ic (1.5) 39 static constexpr uint32_t kAccEnum = 0x4000; // class, field, ic (1.5) 40 41 static constexpr uint32_t kAccJavaFlagsMask = 0xffff; // bits set from Java sources (low 16) 42 43 static constexpr uint32_t kAccConstructor = 0x00010000; // method (dex only) <(cl)init> 44 static constexpr uint32_t kAccDeclaredSynchronized = 0x00020000; // method (dex only) 45 static constexpr uint32_t kAccClassIsProxy = 0x00040000; // class (dex only) 46 static constexpr uint32_t kAccPreverified = 0x00080000; // class (runtime), 47 // method (dex only) 48 static constexpr uint32_t kAccFastNative = 0x00080000; // method (dex only) 49 static constexpr uint32_t kAccMiranda = 0x00200000; // method (dex only) 50 51 // Flag is set if the compiler decides it is not worth trying 52 // to inline the method. This avoids other callers to try it again and again. 53 static constexpr uint32_t kAccDontInline = 0x00400000; // method (dex only) 54 55 // Special runtime-only flags. 56 // Note: if only kAccClassIsReference is set, we have a soft reference. 57 58 // class/ancestor overrides finalize() 59 static constexpr uint32_t kAccClassIsFinalizable = 0x80000000; 60 // class is a soft/weak/phantom ref 61 static constexpr uint32_t kAccClassIsReference = 0x08000000; 62 // class is a weak reference 63 static constexpr uint32_t kAccClassIsWeakReference = 0x04000000; 64 // class is a finalizer reference 65 static constexpr uint32_t kAccClassIsFinalizerReference = 0x02000000; 66 // class is a phantom reference 67 static constexpr uint32_t kAccClassIsPhantomReference = 0x01000000; 68 // class is the string class 69 static constexpr uint32_t kAccClassIsStringClass = 0x00800000; 70 71 static constexpr uint32_t kAccReferenceFlagsMask = (kAccClassIsReference 72 | kAccClassIsWeakReference 73 | kAccClassIsFinalizerReference 74 | kAccClassIsPhantomReference); 75 76 // Valid (meaningful) bits for a field. 77 static constexpr uint32_t kAccValidFieldFlags = kAccPublic | kAccPrivate | kAccProtected | 78 kAccStatic | kAccFinal | kAccVolatile | kAccTransient | kAccSynthetic | kAccEnum; 79 80 // Valid (meaningful) bits for a method. 81 static constexpr uint32_t kAccValidMethodFlags = kAccPublic | kAccPrivate | kAccProtected | 82 kAccStatic | kAccFinal | kAccSynchronized | kAccBridge | kAccVarargs | kAccNative | 83 kAccAbstract | kAccStrict | kAccSynthetic | kAccMiranda | kAccConstructor | 84 kAccDeclaredSynchronized; 85 86 // Valid (meaningful) bits for a class (not interface). 87 // Note 1. These are positive bits. Other bits may have to be zero. 88 // Note 2. Inner classes can expose more access flags to Java programs. That is handled by libcore. 89 static constexpr uint32_t kAccValidClassFlags = kAccPublic | kAccFinal | kAccSuper | 90 kAccAbstract | kAccSynthetic | kAccEnum; 91 92 // Valid (meaningful) bits for an interface. 93 // Note 1. Annotations are interfaces. 94 // Note 2. These are positive bits. Other bits may have to be zero. 95 // Note 3. Inner classes can expose more access flags to Java programs. That is handled by libcore. 96 static constexpr uint32_t kAccValidInterfaceFlags = kAccPublic | kAccInterface | 97 kAccAbstract | kAccSynthetic | kAccAnnotation; 98 99 #endif // ART_RUNTIME_MODIFIERS_H_ 100 101