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Index > Macroinstructions > Passing EQUs to macros - Compile Error

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l4m2



Joined: 15 Jan 2015
Posts: 648
l4m2
Code:
format PE GUI 4.0 DLL
entry DllEntryPoint
include 'win32a.inc'
section '.text' code readable executable
export_cmd equ 'ERRORMSG.DLL'
macro prec [arg] {
  common
  match a b, arg \{
    export_cmd equ export_cmd,a,\`a
    proc a b
  \}
}
proc DllEntryPoint hinstDLL,fdwReason,lpvReserved
        mov     eax,TRUE
        ret
endp
prec ShiftRight value, bits
        mov eax, [value]
        mov ecx, [bits]
        shr eax, cl
        ret
endp
prec ShiftLeft value, bits
        mov eax, [value]
        mov ecx, [bits]
        shl eax, cl
        ret
endp
invoke  MessageBox
section '.idata' import data readable writeable
  library user,'USER32.DLL'
  import user,MessageBox,'MessageBoxA'
section '.edata' export data readable
  export export_cmd
  ;export 'ERRORMSG.DLL',ShiftRight,'ShiftRight',ShiftLeft,'ShiftLeft'
section '.reloc' fixups data readable discardable
    
Post 28 May 2016, 08:07
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 17348
Location: In your JS exploiting you and your system
revolution
You'll need to "match" the export_cmd if you expect that to work.
Code:
match x,export_cmd {export x}    
fasm is weird about how it decides to translate EQUs IMO.
Post 28 May 2016, 08:43
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l4m2



Joined: 15 Jan 2015
Posts: 648
l4m2
revolution wrote:
You'll need to "match" the export_cmd if you expect that to work.
Code:
match x,export_cmd {export x}    
fasm is weird about how it decides to translate EQUs IMO.
Thanks
Post 28 May 2016, 08:45
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