ptrace single-stepping change breaks Wine
Davide Libenzi
davidel at xmailserver.org
Wed Dec 29 23:07:36 CST 2004
On Wed, 29 Dec 2004, Linus Torvalds wrote:
> On Wed, 29 Dec 2004, Linus Torvalds wrote:
> >
> > .. no, I see what's up. System call returns _are_ special for
> > single-stepping. I'll think about it..
>
> Ok, I think I know what's up.
>
> It's literally the bogus fake signal that do_syscall_trace() sends. I
> think the TIF_SINGLESTEP case in do_syscall_trace() should only do the
> ptrace_notify() and return..
I think same. My test simply let the function processing to let thru and
reach the fake signal sending point.
- Davide
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