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/* system/debuggerd/utility.h
**
** Copyright 2008, 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 _DEBUGGERD_UTILITY_H
#define _DEBUGGERD_UTILITY_H
#include <stdbool.h>
#include <sys/types.h>
#include <backtrace/Backtrace.h>
// Figure out the abi based on defined macros.
#if defined(__arm__)
#define ABI_STRING "arm"
#elif defined(__aarch64__)
#define ABI_STRING "arm64"
#elif defined(__mips__) && !defined(__LP64__)
#define ABI_STRING "mips"
#elif defined(__mips__) && defined(__LP64__)
#define ABI_STRING "mips64"
#elif defined(__i386__)
#define ABI_STRING "x86"
#elif defined(__x86_64__)
#define ABI_STRING "x86_64"
#else
#error "Unsupported ABI"
#endif
struct log_t{
/* tombstone file descriptor */
int tfd;
/* Activity Manager socket file descriptor */
int amfd;
// The tid of the thread that crashed.
pid_t crashed_tid;
// The tid of the thread we are currently working with.
pid_t current_tid;
// logd daemon crash, can block asking for logcat data, allow suppression.
bool should_retrieve_logcat;
log_t()
: tfd(-1), amfd(-1), crashed_tid(-1), current_tid(-1), should_retrieve_logcat(true) {}
};
// List of types of logs to simplify the logging decision in _LOG
enum logtype {
ERROR,
HEADER,
THREAD,
REGISTERS,
FP_REGISTERS,
BACKTRACE,
MAPS,
MEMORY,
STACK,
LOGS
};
// Log information onto the tombstone.
void _LOG(log_t* log, logtype ltype, const char *fmt, ...)
__attribute__ ((format(printf, 3, 4)));
int wait_for_sigstop(pid_t, int*, bool*);
void dump_memory(log_t* log, Backtrace* backtrace, uintptr_t addr, const char* fmt, ...);
bool pid_contains_tid(pid_t pid, pid_t tid);
// Attach to a thread, and verify that it's still a member of the given process
bool ptrace_attach_thread(pid_t pid, pid_t tid);
#endif // _DEBUGGERD_UTILITY_H
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