Re: [avr-gcc-list] Finding address of where a function called from

[Joerg Wunsch]

Tom Harris <address@hidden> wrote:

> For logging purposes I would like the called function to be able to
> find out where it was called _from_. What I have done in the past is
> to take the address of a dummy variable on the stack, add a bit to
> it and hope that the result is the address of the stack with the
> return in it.

Better use inline asm, and add an offset to the frame pointer.  Look
at the generated assembler code (avr-gcc -S) to see how the stack
frames are handled.

-- 
J"org Wunsch                                           Unix support engineer
address@hidden        http://www.interface-systems.de/~j/