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Index > Main > How to do nested procedures with proc macros

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moistMaven



Joined: 02 Jun 2023
Posts: 9
moistMaven 11 Jun 2023, 18:25
Something like below (currently it fails with exit code 1):
Code:
proc func1
        proc func2
                ccall [printf], "%d", 5
                ret
        endp
        
        ccall [printf], "%d", 6
        call func2
        ret
endp
        
call func1
    
Post 11 Jun 2023, 18:25
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 20147
Location: In your JS exploiting you and your system
revolution 11 Jun 2023, 23:58
There is no need to nest.
Code:
proc func1
        ccall [printf], "%d", 6
        call func2
        ret
endp

proc func2
        ccall [printf], "%d", 5
        ret
endp

call func1    
Post 11 Jun 2023, 23:58
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moistMaven



Joined: 02 Jun 2023
Posts: 9
moistMaven 12 Jun 2023, 02:11
Quote:

There is no need to nest.

What if I need to use the parameters of the first function in the other
Post 12 Jun 2023, 02:11
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 20147
Location: In your JS exploiting you and your system
revolution 12 Jun 2023, 02:20
Pass it along:
Code:
proc func1 param1
        ccall [printf], "%d", 6
        stdcall func2, [param1]
        ret
endp

proc func2 param2
        ccall [printf], "%d", [param2]
        ret
endp

stdcall func1, 5    
Post 12 Jun 2023, 02:20
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moistMaven



Joined: 02 Jun 2023
Posts: 9
moistMaven 12 Jun 2023, 02:47
Actually I was making an compiler so generating nested assembly was easy but now I'll have to write extra logic. Anyway thanks man.
Post 12 Jun 2023, 02:47
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