Re: How to avoid stepping inside libpthread

Andreas Schwab
2007-07-11T09:00:06Z

Atsushi Nemoto <anemo@mba.ocn.ne.jp> writes:

> There is a LL/SC loop (atomic_decrement_and_test(&__nptl_nthreads))
> after the 0x2ab0ae88 in start_thread(), so it is not wonder the single
> stepping never ends (SC always fail due to a breakpoint exception).
>
>
> Are there any way to avoid falling into such situations?

See deal_with_atomic_sequence in rs6000-tdep.c, which tries to solve the
same issue.

Andreas.

--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, MaxfeldstraÃŸe 5, 90409 NÃ¼rnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."