;*********************************
;文件：SEH.ASM                   *
;功能：演示結構化異常處理        *  
;*********************************
.386p
locals
.model flat,stdcall
include win32.inc
extrn MessageBoxA:proc
extrn ExitProcess:proc

.data 
	Caption db 'SEH',0
	TextSEH	db 'SEH程序正在運行',0
	Text	db 'SEH程序沒有運行',0

.code
main:
	lea   eax,[esp-4*2]
	xchg  fs:[0],eax
	mov   ebx,offset SEH
	push  ebx
	push  eax

	mov   esi,0
	mov   eax,[esi]		;讀NULL指針，產生異常
	call  MessageBoxA,0,offset Text,offset Caption,MB_OK
	jmp   Exit
SEH:	
	call  MessageBoxA,0,offset TextSEH,offset Caption,MB_OK
Exit:	
	call  ExitProcess,0
	
	end main