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
23extern "C" {
24#endif
25
26#define DEBUGGER_SOCKET_NAME "android:debuggerd"
27
28typedef 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 */
38typedef 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 */
47int 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 */
52int dump_backtrace_to_file(pid_t tid, int fd);
53
54#ifdef __cplusplus
55}
56#endif
57
58#endif /* __CUTILS_DEBUGGER_H */
59