Exception handling 的协作图:

宏定义
#define	LOS_PANIC(fmt, ...) LOS_Panic(fmt, ##__VA_ARGS__)
	System panic function.

函数
void	LOS_Panic (const CHAR *fmt,...)
	Kernel panic function.

void	LOS_BackTrace (void)
	Kernel backtrace function.

void	LOS_TaskBackTrace (UINT32 taskID)
	Kernel task backtrace function.

详细描述

宏定义说明

◆ LOS_PANIC

#define LOS_PANIC	(	fmt,
		...
	)	LOS_Panic(fmt, ##__VA_ARGS__)

System panic function.

Description:: Define function macros LOS_PANIC. The Function can handle system panic and print log.

注意: None.

参数

fmt	[IN] Type: const CHAR *. It controls the output format as in C printf.
args	[IN] It point to the variable parameters.

返回值

None.

Dependency:: los_exc.h: the header file that contains the API declaration.

自从: Huawei LiteOS 206.1

函数说明

◆ LOS_BackTrace()

void LOS_BackTrace ( void )

extern

Kernel backtrace function.

Description:: Backtrace function that prints task call stack information traced from the running task.

注意: None.

参数

None.

返回值

None.

Dependency:: los_exc.h: the header file that contains the API declaration.

自从: Huawei LiteOS V200R005C10

◆ LOS_Panic()

void LOS_Panic	(	const CHAR *	fmt,
			...
	)

Kernel panic function.

Description:: Stack function that prints kernel panics.

注意

After this function is called and stack information is printed, the system will fail to respond.
The input parameter can be NULL.

参数

fmt	[IN] Type CHAR*. It is a variadic argument.

返回值

None.

Dependency:: los_exc.h: the header file that contains the API declaration.

自从: Huawei LiteOS V100R001C00

◆ LOS_TaskBackTrace()

void LOS_TaskBackTrace ( UINT32 taskID )

extern

Kernel task backtrace function.

Description:: Backtrace function that prints task call stack information traced from the input task.

注意: The input taskID should be valid.

参数

taskID [IN] Type UINT32. Task ID.

返回值

None.

Dependency:: los_exc.h: the header file that contains the API declaration.

自从: Huawei LiteOS V100R001C00