原來的程式一遇到0位元組的檔案就會掛掉，在這裡我添加了SEH錯誤處理代碼，完美解決了掛掉的問題！
.386
.model flat, stdcall
option casemap :none
include windows.inc
include user32.inc
includelib user32.lib
include kernel32.inc
includelib kernel32.lib
.data?
hFile dd ?
hMapFile dd ?
lpFile dd ?
.const
szErr db "不是有效32位程式！",0
szOK db "是可執行檔！",0
szNO db "開啟檔案失敗！",0
szName db "d: .exe",0
Copyright db " www.xbin.cn ",0
.code
_SEH proc _lpExceptionRecord,_lpSEH,_lpContext,_lpDispatcherContext
pushad
mov esi,_lpExceptionRecord
mov edi,_lpContext
assume esi:ptr EXCEPTION_RECORD,edi:ptr CONTEXT
mov eax,_lpSEH
push [eax + 0ch]
pop [edi].regEbp
push [eax + 8]
pop [edi].regEip
push eax
pop [edi].regEsp
assume esi:nothing,edi:nothing
popad
mov eax,ExceptionContinueExecution
ret
_SEH endp
Start:
;設定SEH
assume fs:nothing
push offset _ErrFormat
push offset _SEH
push fs:[0]
mov fs:[0],esp
;開啟檔案
invoke CreateFile,offset szName,GENERIC_READ,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL
.if eax == INVALID_HANDLE_VALUE
invoke MessageBox,NULL,offset szNO,NULL,MB_OK
JMP _END
.endif
mov hFile,eax
;建立對應檔
invoke CreateFileMapping,hFile,NULL,PAGE_READONLY,0,0,NULL
mov hMapFile,eax
invoke MapViewOfFile,hMapFile,FILE_MAP_READ,0,0,0
mov lpFile,eax
;把對應檔的首地址給ESI
mov esi,eax
assume esi:ptr IMAGE_DOS_HEADER
;判斷MZ標誌
mov di,[esi].e_magic
mov bx,5a4dh
.if di != bx
invoke MessageBox,NULL,offset szErr,NULL,MB_OK
JMP _END
.endif
;判斷PE標誌
add esi,[esi].e_lfanew
assume esi:ptr IMAGE_NT_HEADERS
mov edi,[esi].Signature
.if edi != 00004550h
invoke MessageBox,NULL,offset szErr,NULL,MB_OK
JMP _END
.endif
invoke MessageBox,NULL,offset szOK,NULL,MB_OK
assume esi:nothing
JMP _END
_ErrFormat:
invoke MessageBox,NULL,offset szErr,NULL,MB_OK
pop fs:[0]
add esp,0ch
_END:
invoke UnmapViewOfFile,lpFile
invoke CloseHandle,hMapFile
invoke CloseHandle,hFile
invoke ExitProcess,0
end Start
