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Index > Windows > How to make 64bit applications?

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d0mek



Joined: 15 Jul 2013
Posts: 6
d0mek 31 Jul 2013, 22:12
I made 32bit app, now I changed Win32ax.inc into Win64ax.inc but it doesn't want to compile. It says:

"section '.data' data readable writeable"

I just want to SSE4.2 instructions which seems I can't use in 32bit mode.

Code:
use64

include 'include/WIN64AX.INC'

.data
  testt dd 0
  test6 rb 10000000 ;10 MB
.code



  proc Alert, msg
    invoke MessageBox,0, [msg] ,'Information',MB_OK
  ret
  endp

main:


mov eax, 65

mov ecx, 5
start_loop:  ; the code here would be executed 5 times

inc eax

loop start_loop

mov [testt], eax
mov [testt+1], 70
mov [testt+2],0


mov [test6], 71
mov [test6+1], 2
inc [test6]

;mov byte eax, [test6]
;add [test6], ebx

;mov [qword 0],rax
;vblendvpd       ymm3,  ymm2,  ymm1,  ymm15
crc32 rax, qword [rbx]


stdcall Alert, test6
stdcall Alert, testt


invoke ExitProcess, 0

.end main    
Post 31 Jul 2013, 22:12
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d0mek



Joined: 15 Jul 2013
Posts: 6
d0mek 31 Jul 2013, 22:31
Ha! use64 should be after include not before! Smile
Post 31 Jul 2013, 22:31
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 20413
Location: In your JS exploiting you and your system
revolution 31 Jul 2013, 23:10
Actually USE64 is not needed at all because WIN64AX.INC has the FORMAT directive to set the code generation mode.
Post 31 Jul 2013, 23:10
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