how to get caller

[liang fang]

i'm using wrap to catpure func and it works, but how should i get caller. i tried to wrap all of function and i can seartch from back to front.it works in this way,  is that any better idea?

[Derek Bruening]

Please be more precise: do you mean you're using drwrap?  See drwrap_get_retaddr which directly gives you the caller.

On Sun, Apr 24, 2022 at 12:26 PM liang fang <hunter.f...@gmail.com> wrote:

i'm using wrap to catpure func and it works, but how should i get caller. i tried to wrap all of function and i can seartch from back to front.it works in this way,  is that any better idea?

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[liang fang]

drwrap_get_retaddr is the caller? i think that is ret value.

[Derek Bruening]

Please, look at the docs.  drwrap_get_retval() is the return value; drwrap_get_retaddr() is the return address.  The docs spell this out.

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[liang fang]

thanks,it works now