kernel/arch/um/include/shared/user.h
2024-07-22 17:22:30 +08:00

59 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __USER_H__
#define __USER_H__
#include <generated/asm-offsets.h>
/*
* The usual definition - copied here because the kernel provides its own,
* fancier, type-safe, definition. Using that one would require
* copying too much infrastructure for my taste, so userspace files
* get less checking than kernel files.
*/
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
/* This is to get size_t */
#ifndef __UM_HOST__
#include <linux/types.h>
#else
#include <stddef.h>
#endif
extern void panic(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
/* Requires preincluding include/linux/kern_levels.h */
#define UM_KERN_EMERG KERN_EMERG
#define UM_KERN_ALERT KERN_ALERT
#define UM_KERN_CRIT KERN_CRIT
#define UM_KERN_ERR KERN_ERR
#define UM_KERN_WARNING KERN_WARNING
#define UM_KERN_NOTICE KERN_NOTICE
#define UM_KERN_INFO KERN_INFO
#define UM_KERN_DEBUG KERN_DEBUG
#define UM_KERN_CONT KERN_CONT
#ifdef UML_CONFIG_PRINTK
#define printk(...) _printk(__VA_ARGS__)
extern int _printk(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
#else
static inline int printk(const char *fmt, ...)
{
return 0;
}
#endif
extern int in_aton(char *str);
extern size_t strlcpy(char *, const char *, size_t);
extern size_t strlcat(char *, const char *, size_t);
/* Copied from linux/compiler-gcc.h since we can't include it directly */
#define barrier() __asm__ __volatile__("": : :"memory")
#endif