1 /* system/debuggerd/utility.h 2 ** 3 ** Copyright 2008, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #ifndef _DEBUGGERD_UTILITY_H 19 #define _DEBUGGERD_UTILITY_H 20 21 #include <stdbool.h> 22 #include <sys/types.h> 23 24 #include <string> 25 26 #include <backtrace/Backtrace.h> 27 28 // Figure out the abi based on defined macros. 29 #if defined(__arm__) 30 #define ABI_STRING "arm" 31 #elif defined(__aarch64__) 32 #define ABI_STRING "arm64" 33 #elif defined(__mips__) && !defined(__LP64__) 34 #define ABI_STRING "mips" 35 #elif defined(__mips__) && defined(__LP64__) 36 #define ABI_STRING "mips64" 37 #elif defined(__i386__) 38 #define ABI_STRING "x86" 39 #elif defined(__x86_64__) 40 #define ABI_STRING "x86_64" 41 #else 42 #error "Unsupported ABI" 43 #endif 44 45 46 struct log_t{ 47 // Tombstone file descriptor. 48 int tfd; 49 // Data to be sent to the Activity Manager. 50 std::string* amfd_data; 51 // The tid of the thread that crashed. 52 pid_t crashed_tid; 53 // The tid of the thread we are currently working with. 54 pid_t current_tid; 55 // logd daemon crash, can block asking for logcat data, allow suppression. 56 bool should_retrieve_logcat; 57 log_tlog_t58 log_t() 59 : tfd(-1), amfd_data(nullptr), crashed_tid(-1), current_tid(-1), 60 should_retrieve_logcat(true) {} 61 }; 62 63 // List of types of logs to simplify the logging decision in _LOG 64 enum logtype { 65 HEADER, 66 THREAD, 67 REGISTERS, 68 FP_REGISTERS, 69 BACKTRACE, 70 MAPS, 71 MEMORY, 72 STACK, 73 LOGS 74 }; 75 76 // Log information onto the tombstone. 77 void _LOG(log_t* log, logtype ltype, const char *fmt, ...) 78 __attribute__ ((format(printf, 3, 4))); 79 80 int wait_for_signal(pid_t tid, int* total_sleep_time_usec); 81 82 void dump_memory(log_t* log, Backtrace* backtrace, uintptr_t addr, const char* fmt, ...); 83 84 #endif // _DEBUGGERD_UTILITY_H 85