blob: bae687d617fe7b725a8ab1d50a6a1cde652f8423 [file] [log] [blame]
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __CUTILS_DEBUGGER_H
#define __CUTILS_DEBUGGER_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define DEBUGGER32_SOCKET_NAME "android:debuggerd"
#define DEBUGGER64_SOCKET_NAME "android:debuggerd64"
#if defined(__LP64__)
#define DEBUGGER_SOCKET_NAME DEBUGGER64_SOCKET_NAME
#else
#define DEBUGGER_SOCKET_NAME DEBUGGER32_SOCKET_NAME
#endif
typedef enum {
// dump a crash
DEBUGGER_ACTION_CRASH,
// dump a tombstone file
DEBUGGER_ACTION_DUMP_TOMBSTONE,
// dump a backtrace only back to the socket
DEBUGGER_ACTION_DUMP_BACKTRACE,
} debugger_action_t;
typedef struct {
debugger_action_t action;
pid_t tid;
uintptr_t abort_msg_address;
int32_t original_si_code;
} debugger_msg_t;
#if defined(__LP64__)
// For a 64 bit process to contact the 32 bit debuggerd.
typedef struct {
debugger_action_t action;
pid_t tid;
uint32_t abort_msg_address;
int32_t original_si_code;
} debugger32_msg_t;
#endif
/* Dumps a process backtrace, registers, and stack to a tombstone file (requires root).
* Stores the tombstone path in the provided buffer.
* Returns 0 on success, -1 on error.
*/
int dump_tombstone(pid_t tid, char* pathbuf, size_t pathlen);
/* Dumps a process backtrace, registers, and stack to a tombstone file (requires root).
* Stores the tombstone path in the provided buffer.
* If reading debugger data from debuggerd ever takes longer than timeout_secs
* seconds, then stop and return an error.
* Returns 0 on success, -1 on error.
*/
int dump_tombstone_timeout(pid_t tid, char* pathbuf, size_t pathlen, int timeout_secs);
/* Dumps a process backtrace only to the specified file (requires root).
* Returns 0 on success, -1 on error.
*/
int dump_backtrace_to_file(pid_t tid, int fd);
/* Dumps a process backtrace only to the specified file (requires root).
* If reading debugger data from debuggerd ever takes longer than timeout_secs
* seconds, then stop and return an error.
* Returns 0 on success, -1 on error.
*/
int dump_backtrace_to_file_timeout(pid_t tid, int fd, int timeout_secs);
#ifdef __cplusplus
}
#endif
#endif /* __CUTILS_DEBUGGER_H */