기초 어셈블리 0923 -임기준

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smart.asm

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;DATA: 09/23

.386

.MODEL FLAT

.STACK 4096

PUBLIC _SMART

EXTRN _LINUX:NEAR32

ExitProcess PROTO NEAR32 stdcall, dwExitCode:DWORD

.DATA

_EFL DWORD 0h

_EIP DWORD 0h

_EDI DWORD 0h

_ESI DWORD 0h

_EBP DWORD 0h

_ESP DWORD 0h

_EBX DWORD 0h

_EDX DWORD 0h

_ECX DWORD 0h

_EAX DWORD 0h

.CODE

_SMART:

LEA EAX, _EFL ; EAX = &_EFL

PUSH EAX

MOV EAX, 0

CALL _LINUX

ADD ESP, 4 ; 인자가 하나라서 4

INVOKE ExitProcess, 0

END

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Linux.asm

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;DATA: 09/23

.386

.MODEL FLAT

PUBLIC _LINUX

.CODE

_LINUX PROC NEAR32

PUSH EBP

MOV EBP, ESP

MOV ESP, [EBP + 8]

MOV DWORD PTR [ESP], 0FFFFFFFFh

ADD ESP, 36

MOV DWORD PTR [ESP], 0AAAAAAAAh

MOV ESP, EBP

POP EBP

RET

_LINUX ENDP

END

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