35 lines
588 B
ArmAsm
35 lines
588 B
ArmAsm
/* $NetBSD: strncpy.S,v 1.4 1998/10/01 22:46:37 matthias Exp $ */
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/*
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* Written by Matthias Pfaller, 1996
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* Public domain.
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*/
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#include <machine/asm.h>
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#if defined(LIBC_SCCS)
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RCSID("$NetBSD: strncpy.S,v 1.4 1998/10/01 22:46:37 matthias Exp $")
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#endif
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/*
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* char *
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* strncpy (char *d, const char *s, size_t len)
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* copy at most len characters from the string s to d.
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*/
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KENTRY(strncpy, 12)
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enter [r4],0
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movd B_ARG2,r0
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movd B_ARG1,r1
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movd B_ARG0,r2
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movqd 0,r4
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movsb u
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bfc 0f
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movd r0,tos
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movd r2,tos
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bsr _C_LABEL(bzero)
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adjspd -8
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0: movd B_ARG0,r0
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exit [r4]
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ret ARGS
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