It might be better at this point to use dwarf2 eh tables to get a
backtrace
than it is from x86's stack frame because if you don't have a frame
pointer,
stack frames are "messed" up.
Ah but the interesting bit is getting through signal frames and other
bits of code without supporting eh tables ;-) Otherwise the
compiler-bundled _Unwind_* stuff would have been sufficient already on
PPC.
Real support in system library for backtrace() (like linux), or any
similar call found on other operating systems would be very welcome.
Doesn't have to be standard across platforms, as long as it understands
and goes through signal frames and other odd bits of code.
(Yes, I filed a radar feature request, oh, some years ago :-)
Lassi
--
When the situation is desperate, it is too late to be serious.
Be playful. --Edward Abbey
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