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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 19:13:17 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-22 22:55:19 -0700
commit8ede0bdb63305d3353efd97e9af6210afb05734e (patch)
treea9500a323d0a2dcadca43c23b5c20186f6d9b724 /include/asm-um/uaccess.h
parent8569c9140bd41089f9b6be8837ca421102714a90 (diff)
x86, um: initial part of asm-um move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/asm-um/uaccess.h')
-rw-r--r--include/asm-um/uaccess.h99
1 files changed, 0 insertions, 99 deletions
diff --git a/include/asm-um/uaccess.h b/include/asm-um/uaccess.h
deleted file mode 100644
index b9a895d6fa1d..000000000000
--- a/include/asm-um/uaccess.h
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#ifndef __UM_UACCESS_H
-#define __UM_UACCESS_H
-
-#include <asm/errno.h>
-#include <asm/processor.h>
-
-/* thread_info has a mm_segment_t in it, so put the definition up here */
-typedef struct {
- unsigned long seg;
-} mm_segment_t;
-
-#include "linux/thread_info.h"
-
-#define VERIFY_READ 0
-#define VERIFY_WRITE 1
-
-/*
- * The fs value determines whether argument validity checking should be
- * performed or not. If get_fs() == USER_DS, checking is performed, with
- * get_fs() == KERNEL_DS, checking is bypassed.
- *
- * For historical reasons, these macros are grossly misnamed.
- */
-
-#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
-
-#define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF)
-#define USER_DS MAKE_MM_SEG(TASK_SIZE)
-
-#define get_ds() (KERNEL_DS)
-#define get_fs() (current_thread_info()->addr_limit)
-#define set_fs(x) (current_thread_info()->addr_limit = (x))
-
-#define segment_eq(a, b) ((a).seg == (b).seg)
-
-#include "um_uaccess.h"
-
-#define __copy_from_user(to, from, n) copy_from_user(to, from, n)
-
-#define __copy_to_user(to, from, n) copy_to_user(to, from, n)
-
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
-
-#define __get_user(x, ptr) \
-({ \
- const __typeof__(*(ptr)) __user *__private_ptr = (ptr); \
- __typeof__(x) __private_val; \
- int __private_ret = -EFAULT; \
- (x) = (__typeof__(*(__private_ptr)))0; \
- if (__copy_from_user((__force void *)&__private_val, (__private_ptr),\
- sizeof(*(__private_ptr))) == 0) { \
- (x) = (__typeof__(*(__private_ptr))) __private_val; \
- __private_ret = 0; \
- } \
- __private_ret; \
-})
-
-#define get_user(x, ptr) \
-({ \
- const __typeof__((*(ptr))) __user *private_ptr = (ptr); \
- (access_ok(VERIFY_READ, private_ptr, sizeof(*private_ptr)) ? \
- __get_user(x, private_ptr) : ((x) = (__typeof__(*ptr))0, -EFAULT)); \
-})
-
-#define __put_user(x, ptr) \
-({ \
- __typeof__(*(ptr)) __user *__private_ptr = ptr; \
- __typeof__(*(__private_ptr)) __private_val; \
- int __private_ret = -EFAULT; \
- __private_val = (__typeof__(*(__private_ptr))) (x); \
- if (__copy_to_user((__private_ptr), &__private_val, \
- sizeof(*(__private_ptr))) == 0) { \
- __private_ret = 0; \
- } \
- __private_ret; \
-})
-
-#define put_user(x, ptr) \
-({ \
- __typeof__(*(ptr)) __user *private_ptr = (ptr); \
- (access_ok(VERIFY_WRITE, private_ptr, sizeof(*private_ptr)) ? \
- __put_user(x, private_ptr) : -EFAULT); \
-})
-
-#define strlen_user(str) strnlen_user(str, ~0U >> 1)
-
-struct exception_table_entry
-{
- unsigned long insn;
- unsigned long fixup;
-};
-
-#endif