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      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 DEBUGGER_SOCKET_NAME "android:debuggerd"
     27 
     28 typedef enum {
     29     // dump a crash
     30     DEBUGGER_ACTION_CRASH,
     31     // dump a tombstone file
     32     DEBUGGER_ACTION_DUMP_TOMBSTONE,
     33     // dump a backtrace only back to the socket
     34     DEBUGGER_ACTION_DUMP_BACKTRACE,
     35 } debugger_action_t;
     36 
     37 /* message sent over the socket */
     38 typedef struct {
     39     debugger_action_t action;
     40     pid_t tid;
     41 } debugger_msg_t;
     42 
     43 /* Dumps a process backtrace, registers, and stack to a tombstone file (requires root).
     44  * Stores the tombstone path in the provided buffer.
     45  * Returns 0 on success, -1 on error.
     46  */
     47 int dump_tombstone(pid_t tid, char* pathbuf, size_t pathlen);
     48 
     49 /* Dumps a process backtrace only to the specified file (requires root).
     50  * Returns 0 on success, -1 on error.
     51  */
     52 int dump_backtrace_to_file(pid_t tid, int fd);
     53 
     54 #ifdef __cplusplus
     55 }
     56 #endif
     57 
     58 #endif /* __CUTILS_DEBUGGER_H */
     59