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42 lines
633 B
ArmAsm
42 lines
633 B
ArmAsm
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/*
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* ====================================================
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* Copyright (C) 1998 by Cygnus Solutions. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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#include "i386mach.h"
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.global SYM (memchr)
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SYM (memchr):
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pushl ebp
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movl esp,ebp
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pushl edi
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movl 12(ebp),eax
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movl 16(ebp),ecx
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movl 8(ebp),edi
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xorl edx,edx
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testl ecx,ecx
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jz L1
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cld
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repnz
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scasb
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setnz dl
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decl edi
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decl edx
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andl edi,edx
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L1:
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movl edx,eax
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leal -4(ebp),esp
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popl edi
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leave
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ret
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