1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifndef ANDROID_CALLSTACK_H 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define ANDROID_CALLSTACK_H 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 20edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdint.h> 21edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/types.h> 22edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/String8.h> 24e27d62bbf24272d72fcbad5e6f8b69608151205bJeff Brown#include <corkscrew/backtrace.h> 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 30edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectclass CallStack 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectpublic: 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project enum { 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project MAX_DEPTH = 31 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project }; 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project CallStack(); 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project CallStack(const CallStack& rhs); 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ~CallStack(); 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project CallStack& operator = (const CallStack& rhs); 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool operator == (const CallStack& rhs) const; 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool operator != (const CallStack& rhs) const; 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool operator < (const CallStack& rhs) const; 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool operator >= (const CallStack& rhs) const; 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool operator > (const CallStack& rhs) const; 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool operator <= (const CallStack& rhs) const; 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* operator [] (int index) const; 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void clear(); 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 54e6f096a4cde5161e9e8432a6f6f2008e6bc710f4Mathias Agopian void update(int32_t ignoreDepth=1, int32_t maxDepth=MAX_DEPTH); 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Dump a stack trace to the log 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void dump(const char* prefix = 0) const; 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Return a string (possibly very long) containing the complete stack trace 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project String8 toString(const char* prefix = 0) const; 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t size() const { return mCount; } 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectprivate: 65e27d62bbf24272d72fcbad5e6f8b69608151205bJeff Brown size_t mCount; 66e27d62bbf24272d72fcbad5e6f8b69608151205bJeff Brown backtrace_frame_t mStack[MAX_DEPTH]; 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif // ANDROID_CALLSTACK_H 75