1 /* 2 * Copyright (C) 2010 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 DALVIK_ALLOC_VISIT_H_ 18 #define DALVIK_ALLOC_VISIT_H_ 19 20 #include "Dalvik.h" 21 22 enum RootType { 23 ROOT_UNKNOWN = 0, 24 ROOT_JNI_GLOBAL, 25 ROOT_JNI_LOCAL, 26 ROOT_JAVA_FRAME, 27 ROOT_NATIVE_STACK, 28 ROOT_STICKY_CLASS, 29 ROOT_THREAD_BLOCK, 30 ROOT_MONITOR_USED, 31 ROOT_THREAD_OBJECT, 32 ROOT_INTERNED_STRING, 33 ROOT_DEBUGGER, 34 ROOT_VM_INTERNAL, 35 ROOT_JNI_MONITOR, 36 }; 37 38 /* 39 * Callback invoked with the address of a reference and a user 40 * supplied context argument. 41 */ 42 typedef void Visitor(void *addr, void *arg); 43 44 /* 45 * Like a Visitor, but passes root specific information such as the 46 * containing thread id and the root type. In cases where a root is 47 * not specific to a thread, 0, an invalid thread id is provided. 48 */ 49 typedef void RootVisitor(void *addr, u4 threadId, RootType type, void *arg); 50 51 /* 52 * Visits references in an object. 53 */ 54 void dvmVisitObject(Visitor *visitor, Object *obj, void *arg); 55 56 /* 57 * Visits references in the root set. 58 */ 59 void dvmVisitRoots(RootVisitor *visitor, void *arg); 60 61 #endif // DALVIK_ALLOC_VISIT_H_ 62