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 Forums >>  IDA Pro  >>  one more another IDC script

Topic created on: June 13, 2006 06:34 CDT by modest .

I'm yet new to IDC...
Does anybody can suggest how to write script to transform code like this:

push    0Ah            
push    0              
push    eax            
call    strtol
add     esp, 0Ch        

to this:

strtol (eax, 0, 0Ah);

I assume that parameters count may be sometimes determined from the terminating "add esp, xxx", and each parameter can be taken from higher push commands. How to develope script for doing this?

  drew     June 13, 2006 19:57.51 CDT
My response doesn't answer your post, so please feel free to ignore my response.  :)

Rather than using IDC, have you looked at IDA's built-in function tools?  I typically do something like this to define a function:
- Go into the function (strtoi) and rename (N) the various arg_ to describe the parameters
- If needed, set the compiler via Options->Compiler
- Set the function type (Y)

At the top of the strtoi function, you'll then get something like:
int __stdcall strtoi( char* convert, char** c, int base )

The referring code will also be automatically commented similar to the following:
push    0Ah    ;base        
push    0      ;c        
push    eax    ;convert        
call    strtol


Typically IDA will do this automatically for standard library imports.

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