inline proc macro

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Roman

Joined: 21 Apr 2012
Posts: 1855

Roman 14 Jul 2020, 08:47

I do

Code:

 macro inline chP {
       ;call chP
       repeat chP#_gE-chP#_gB
         load ttt byte from chP+%-1
         db ttt
   end repeat
       }

proc Pproc1 pu:dword
     rR1 EQU edx
     mov eax,[pu]
Pproc1_gB:   mov rR1,12
            imul rR1,2
Pproc1_gE:
     ret
endp 

In code:

mov eax,Pproc1
inline Pproc1

IDA pro get me this code. But why ?!

Code:

push    ebp
mov     ebp, esp
mov     eax, [ebp+8]
mov     edx, 0E42EE80Ch

I expected this:

Code:

            mov edx,12
            imul edx,2

If i write:

Code:

proc Pproc1 
     rR1 EQU edx     
Pproc1_gB:   mov rR1,12
            imul rR1,2
Pproc1_gE:
     ret
endp

i get this:
mov edx,12
imul edx,2

14 Jul 2020, 08:47

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20468
Location: In your JS exploiting you and your system

revolution 14 Jul 2020, 08:56

I presume you want to load some code and make a duplicate?

If so then probably your load is not correct. Maybe try::

Code:

load ttt byte from chP#_gB+%-1

14 Jul 2020, 08:56

Roman

Joined: 21 Apr 2012
Posts: 1855

Roman 14 Jul 2020, 09:02

Oh ! This is my mistake.
Thanks.

14 Jul 2020, 09:02

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