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Commit 6f56a68d authored Sep 15, 2015 by Stephen Boyd Committed by Russell King Oct 03, 2015

ARM: 8438/1: Add unwinding to __clear_user_std()



Add unwinding annotations so that unwinding from this function
works properly.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent b97b272e

arch/arm/lib/clear_user.S

+4 −0

Original line number	Diff line number	Diff line
		@@ -9,6 +9,7 @@
		*/
		#include <linux/linkage.h>
		#include <asm/assembler.h>
		#include <asm/unwind.h>

		.text

		@@ -20,6 +21,8 @@
		*/
		ENTRY(__clear_user_std)
		WEAK(arm_clear_user)
		UNWIND(.fnstart)
		UNWIND(.save {r1, lr})
		stmfd sp!, {r1, lr}
		mov r2, #0
		cmp r1, #4
		@@ -44,6 +47,7 @@ WEAK(arm_clear_user)
		USER( strnebt r2, [r0])
		mov r0, #0
		ldmfd sp!, {r1, pc}
		UNWIND(.fnend)
		ENDPROC(arm_clear_user)
		ENDPROC(__clear_user_std)