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 __CUTILS_DEBUGGER_H 18 #define __CUTILS_DEBUGGER_H 19 20 #include <sys/types.h> 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 #define DEBUGGER32_SOCKET_NAME "android:debuggerd" 27 #define DEBUGGER64_SOCKET_NAME "android:debuggerd64" 28 29 #if defined(__LP64__) 30 #define DEBUGGER_SOCKET_NAME DEBUGGER64_SOCKET_NAME 31 #else 32 #define DEBUGGER_SOCKET_NAME DEBUGGER32_SOCKET_NAME 33 #endif 34 35 typedef enum { 36 // dump a crash 37 DEBUGGER_ACTION_CRASH, 38 // dump a tombstone file 39 DEBUGGER_ACTION_DUMP_TOMBSTONE, 40 // dump a backtrace only back to the socket 41 DEBUGGER_ACTION_DUMP_BACKTRACE, 42 } debugger_action_t; 43 44 typedef struct { 45 debugger_action_t action; 46 pid_t tid; 47 uintptr_t abort_msg_address; 48 int32_t original_si_code; 49 } debugger_msg_t; 50 51 #if defined(__LP64__) 52 // For a 64 bit process to contact the 32 bit debuggerd. 53 typedef struct { 54 debugger_action_t action; 55 pid_t tid; 56 uint32_t abort_msg_address; 57 int32_t original_si_code; 58 } debugger32_msg_t; 59 #endif 60 61 /* Dumps a process backtrace, registers, and stack to a tombstone file (requires root). 62 * Stores the tombstone path in the provided buffer. 63 * Returns 0 on success, -1 on error. 64 */ 65 int dump_tombstone(pid_t tid, char* pathbuf, size_t pathlen); 66 67 /* Dumps a process backtrace only to the specified file (requires root). 68 * Returns 0 on success, -1 on error. 69 */ 70 int dump_backtrace_to_file(pid_t tid, int fd); 71 72 #ifdef __cplusplus 73 } 74 #endif 75 76 #endif /* __CUTILS_DEBUGGER_H */ 77