function call argument count

[Justinas]

On Sun, 23 May 2004 15:01:04 -0700
don fisher <dfisher@as.arizona.edu> wrote:

> Hello,
> 
> Is there a call that can be made from within a function to determine 
> how many arguments have been passed to it? I feel such a call would be 
> of great assistance when used in conjunction with variable length 
> argument lists. In the "old days", VMS pushed a parameter count as 
> part of the call frame. You could even determine which variables were 
> null, since they always did call by reference and null parameters were 
> indicated by a zero address.
> 
> Sorry if this is well known, or an invalid request for some reason.
> thanks
> don
> -- 
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> |    Don Fisher				  dfisher@as.arizona.edu  |
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> 

hi, one idea: try to compare esp, a stack pointer(x86, i'm not sure how ir would be on other platforms). Sure, this works when you know the size of variable, and they should be same type...



Justinas.