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Commit c77a9c4b authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: uaccess: fix __get_user_asm macro 



It is used __FIXUP_SECTION and __EX_TABLE_SECTION macros.

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent 40b1156d

arch/microblaze/include/asm/uaccess.h

+17 −16
Original line number Diff line number Diff line
@@ -234,21 +234,22 @@ extern long strnlen_user(const char *src, long count); 
#define __get_user_asm(insn, __gu_ptr, __gu_val, __gu_err)	\

({								\

	__asm__ __volatile__ (					\

			"1:"	insn	" %1, %2, r0;			\

				addk	%0, r0, r0;			\

			2:						\

			.section .fixup,\"ax\";				\

			3:	brid	2b;				\

				addik	%0, r0, %3;			\

			.previous;					\

			.section __ex_table,\"a\";			\

			.word	1b,3b;					\

			.previous;"					\

		: "=r"(__gu_err), "=r"(__gu_val)			\

			"1:"	insn	" %1, %2, r0;"		\

			"	addk	%0, r0, r0;"		\

			"2:			"		\

			__FIXUP_SECTION				\

			"3:	brid	2b;	"		\

			"	addik	%0, r0, %3;"		\

			".previous;"				\

			__EX_TABLE_SECTION			\

			".word	1b,3b;"				\

			".previous;"				\

		: "=&r"(__gu_err), "=r"(__gu_val)		\

		: "r"(__gu_ptr), "i"(-EFAULT)			\

	);							\

})





#define __put_user(x, ptr)						\

({									\

	__typeof__(*(ptr)) volatile __gu_val = (x);			\