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v0.8.1
https://github.com/torvalds/linux
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Tip revision: a25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 authored by Linus Torvalds on 13 November 2016, 18:32:32 UTC
Linux 4.9-rc5
Tip revision: a25f094
strncpy.S
;;; strncpy.S

#include <asm/linkage.h>

	.text
.global strncpy_from_user

;;; long strncpy_from_user(void *to, void *from, size_t n)
strncpy_from_user:
	mov.l	er2,er2
	bne	1f
	sub.l	er0,er0
	rts
1:
	mov.l	er4,@-sp
	sub.l	er3,er3
2:
	mov.b	@er1+,r4l
	mov.b	r4l,@er0
	adds	#1,er0
	beq	3f
	inc.l	#1,er3
	dec.l	#1,er2
	bne	2b
3:
	dec.l	#1,er2
4:
	mov.b	r4l,@er0
	adds	#1,er0
	dec.l	#1,er2
	bne	4b
	mov.l	er3,er0
	mov.l	@sp+,er4
	rts
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