diff options
Diffstat (limited to 'arch/um/kernel/tt/include/uaccess-tt.h')
| -rw-r--r-- | arch/um/kernel/tt/include/uaccess-tt.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/um/kernel/tt/include/uaccess-tt.h b/arch/um/kernel/tt/include/uaccess-tt.h deleted file mode 100644 index 3fbb5fe26f4..00000000000 --- a/arch/um/kernel/tt/include/uaccess-tt.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#ifndef __TT_UACCESS_H -#define __TT_UACCESS_H - -#include "linux/string.h" -#include "linux/sched.h" -#include "asm/processor.h" -#include "asm/errno.h" -#include "asm/current.h" -#include "asm/a.out.h" -#include "uml_uaccess.h" - -#define ABOVE_KMEM (16 * 1024 * 1024) - -extern unsigned long end_vm; -extern unsigned long uml_physmem; - -#define under_task_size(addr, size) \ - (((unsigned long) (addr) < TASK_SIZE) && \ - (((unsigned long) (addr) + (size)) < TASK_SIZE)) - -#define is_stack(addr, size) \ - (((unsigned long) (addr) < STACK_TOP) && \ - ((unsigned long) (addr) >= STACK_TOP - ABOVE_KMEM) && \ - (((unsigned long) (addr) + (size)) <= STACK_TOP)) - -#define access_ok_tt(type, addr, size) \ - ((type == VERIFY_READ) || (segment_eq(get_fs(), KERNEL_DS)) || \ - (((unsigned long) (addr) <= ((unsigned long) (addr) + (size))) && \ - (under_task_size(addr, size) || is_stack(addr, size)))) - -static inline int verify_area_tt(int type, const void * addr, - unsigned long size) -{ - return(access_ok_tt(type, addr, size) ? 0 : -EFAULT); -} - -extern unsigned long get_fault_addr(void); - -extern int __do_copy_from_user(void *to, const void *from, int n, - void **fault_addr, void **fault_catcher); -extern int __do_strncpy_from_user(char *dst, const char *src, size_t n, - void **fault_addr, void **fault_catcher); -extern int __do_clear_user(void *mem, size_t len, void **fault_addr, - void **fault_catcher); -extern int __do_strnlen_user(const char *str, unsigned long n, - void **fault_addr, void **fault_catcher); - -extern int copy_from_user_tt(void *to, const void *from, int n); -extern int copy_to_user_tt(void *to, const void *from, int n); -extern int strncpy_from_user_tt(char *dst, const char *src, int count); -extern int __clear_user_tt(void *mem, int len); -extern int clear_user_tt(void *mem, int len); -extern int strnlen_user_tt(const void *str, int len); - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |
