nuttx/include/execinfo.h
fangpeina 242b50f921 libc/execinfo: extract a common backtrace format function
Add a common method to format backtrace to buffer, so it can be used by both mm, fs and other possoble modules.

Signed-off-by: fangpeina <fangpeina@xiaomi.com>
2024-06-29 22:44:39 +08:00

73 lines
2.4 KiB
C

/****************************************************************************
* include/execinfo.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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 __INCLUDE_EXECINFO_H
#define __INCLUDE_EXECINFO_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/sched.h>
#include <assert.h>
#include <stdio.h>
#include <sys/types.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* 3: ' 0x' prefix */
#define BACKTRACE_PTR_FMT_WIDTH ((int)sizeof(uintptr_t) * 2 + 3)
/* Buffer size needed to hold formatted `depth` backtraces */
#define BACKTRACE_BUFFER_SIZE(d) (BACKTRACE_PTR_FMT_WIDTH * (d) + 1)
#define backtrace(b, s) sched_backtrace(_SCHED_GETTID(), b, s, 0)
#define dump_stack() sched_dumpstack(_SCHED_GETTID())
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
FAR char **backtrace_symbols(FAR void *const *buffer, int size);
void backtrace_symbols_fd(FAR void *const *buffer, int size, int fd);
int backtrace_format(FAR char *buffer, int size,
FAR void *backtrace[], int depth);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_EXECINFO_H */