User's Manual

42 Code Padding Using Neutral Code Fillers
AMD Athlon™ Processor x86 Code Optimization
22007E/0—November 1999
NOP3_ECX TEXTEQU <DB 08Dh,00Ch,021h> ;lea ecx, [ecx]
NOP3_EDX TEXTEQU <DB 08Dh,014h,022h> ;lea edx, [edx]
NOP3_ESI TEXTEQU <DB 08Dh,024h,024h> ;lea esi, [esi]
NOP3_EDI TEXTEQU <DB 08Dh,034h,026h> ;lea edi, [edi]
NOP3_ESP TEXTEQU <DB 08Dh,03Ch,027h> ;lea esp, [esp]
NOP3_EBP TEXTEQU <DB 08Dh,06Dh,000h> ;lea ebp, [ebp]
NOP4_EAX TEXTEQU <DB 08Dh,044h,020h,000h> ;lea eax, [eax+00]
NOP4_EBX TEXTEQU <DB 08Dh,05Ch,023h,000h> ;lea ebx, [ebx+00]
NOP4_ECX TEXTEQU <DB 08Dh,04Ch,021h,000h> ;lea ecx, [ecx+00]
NOP4_EDX TEXTEQU <DB 08Dh,054h,022h,000h> ;lea edx, [edx+00]
NOP4_ESI TEXTEQU <DB 08Dh,064h,024h,000h> ;lea esi, [esi+00]
NOP4_EDI TEXTEQU <DB 08Dh,074h,026h,000h> ;lea edi, [edi+00]
NOP4_ESP TEXTEQU <DB 08Dh,07Ch,027h,000h> ;lea esp, [esp+00]
;lea eax, [eax+00];nop
NOP5_EAX TEXTEQU <DB 08Dh,044h,020h,000h,090h>
;lea ebx, [ebx+00];nop
NOP5_EBX TEXTEQU <DB 08Dh,05Ch,023h,000h,090h>
;lea ecx, [ecx+00];nop
NOP5_ECX TEXTEQU <DB 08Dh,04Ch,021h,000h,090h>
;lea edx, [edx+00];nop
NOP5_EDX TEXTEQU <DB 08Dh,054h,022h,000h,090h>
;lea esi, [esi+00];nop
NOP5_ESI TEXTEQU <DB 08Dh,064h,024h,000h,090h>
;lea edi, [edi+00];nop
NOP5_EDI TEXTEQU <DB 08Dh,074h,026h,000h,090h>
;lea esp, [esp+00];nop
NOP5_ESP TEXTEQU <DB 08Dh,07Ch,027h,000h,090h>
;lea eax, [eax+00000000]
NOP6_EAX TEXTEQU <DB 08Dh,080h,0,0,0,0>
;lea ebx, [ebx+00000000]
NOP6_EBX TEXTEQU <DB 08Dh,09Bh,0,0,0,0>
;lea ecx, [ecx+00000000]
NOP6_ECX TEXTEQU <DB 08Dh,089h,0,0,0,0>
;lea edx, [edx+00000000]
NOP6_EDX TEXTEQU <DB 08Dh,092h,0,0,0,0>
;lea esi, [esi+00000000]
NOP6_ESI TEXTEQU <DB 08Dh,0B6h,0,0,0,0>