uaccess_32.h File Reference

Go to the source code of this file.

Macros
#define	__get_user_size(x, ptr, size, retval)
#define	__get_user_asm(x, addr, err, insn)
#define	__put_user_size(x, ptr, size, retval)
#define	__put_user_asm(x, addr, err, insn)
#define	__put_user_u64(val, addr, retval)

Functions
void	__get_user_unknown (void)
void	__put_user_unknown (void)

Macro Definition Documentation

#define __get_user_asm	(		x,
			addr,
			err,
			insn
	)

Value:

do {                            \
    __asm__ __volatile__ (              \
        "mov." insn "   %1, %0\n\t"     \
        : "=&r" (x)             \
        : "m" (__m(addr))           \
    );                      \
} while (0)

Definition at line 56 of file uaccess_32.h.

#define __get_user_size	(		x,
			ptr,
			size,
			retval
	)

Value:

do {                                \
    retval = 0;                     \
    switch (size) {                     \
    case 1:                         \
        __get_user_asm(x, ptr, retval, "b");        \
        break;                      \
    case 2:                         \
        __get_user_asm(x, ptr, retval, "w");        \
        break;                      \
    case 4:                         \
        __get_user_asm(x, ptr, retval, "l");        \
        break;                      \
    default:                        \
        __get_user_unknown();               \
        break;                      \
    }                           \
} while (0)

Definition at line 15 of file uaccess_32.h.

#define __put_user_asm	(		x,
			addr,
			err,
			insn
	)

Value:

do {                            \
    __asm__ __volatile__ (              \
        "mov." insn "   %0, %1\n\t"     \
        : /* no outputs */          \
        : "r" (x), "m" (__m(addr))      \
        : "memory"              \
    );                      \
} while (0)

Definition at line 114 of file uaccess_32.h.

#define __put_user_size	(		x,
			ptr,
			size,
			retval
	)

Value:

do {                            \
    retval = 0;                 \
    switch (size) {                 \
    case 1:                     \
        __put_user_asm(x, ptr, retval, "b");    \
        break;                  \
    case 2:                     \
        __put_user_asm(x, ptr, retval, "w");    \
        break;                  \
    case 4:                     \
        __put_user_asm(x, ptr, retval, "l");    \
        break;                  \
    case 8:                     \
        __put_user_u64(x, ptr, retval);     \
        break;                  \
    default:                    \
        __put_user_unknown();           \
    }                       \
} while (0)

Definition at line 68 of file uaccess_32.h.

#define __put_user_u64	(		val,
			addr,
			retval
	)

Value:

({ \
__asm__ __volatile__( \
    "1:\n\t" \
    "mov.l  %S1,%2\n\t" \
    "mov.l  %R1,%T2\n\t" \
    "2:\n" \
    ".section   .fixup,\"ax\"\n" \
    "3:\n\t" \
    "mov.l  4f,%0\n\t" \
    "jmp    @%0\n\t" \
    " mov   %3,%0\n\t" \
    ".balign    4\n" \
    "4: .long   2b\n\t" \
    ".previous\n" \
    ".section   __ex_table,\"a\"\n\t" \
    ".long  1b, 3b\n\t" \
    ".previous" \
    : "=r" (retval) \
    : "r" (val), "m" (__m(addr)), "i" (-EFAULT), "0" (retval) \
        : "memory"); })

Definition at line 148 of file uaccess_32.h.

Function Documentation

void __get_user_unknown

(

void

)

void __put_user_unknown

(

void

)