__builtin_return_address question

[H. J. Lu]

On Wed, Aug 21, 2002 at 09:27:15AM -0400, Neal D. Becker wrote:
> I'm trying to make a stack trace function.  Use of
> __builtin_return_address looks promising, but the arg has to be a
> constant expression.  Because the arg can't be a variable, I don't see
> how I can traceback more than one level of the stack.  Any ideas?

If you use glibc, you can use <execinfo.h>.


H.J.