diff options
Diffstat (limited to 'arch/um/include/shared/user.h')
| -rw-r--r-- | arch/um/include/shared/user.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h new file mode 100644 index 0000000000..981e11d8e0 --- /dev/null +++ b/arch/um/include/shared/user.h @@ -0,0 +1,59 @@ +/* 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 and NULL */ +#ifndef __UM_HOST__ +#include <linux/types.h> +#else +#include <stddef.h> +#include <sys/types.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 strlcat(char *, const char *, size_t); +extern size_t strscpy(char *, const char *, size_t); + +/* Copied from linux/compiler-gcc.h since we can't include it directly */ +#define barrier() __asm__ __volatile__("": : :"memory") + +#endif |