Re: Compat 32-bit syscall entry from 64-bit task!?

[Roland McGrath]

On Fri, Jan 20, 2012 at 4:07 PM, Denys Vlasenko
<vda.linux@xxxxxxxxxxxxxx> wrote:
>> Maybe a bit telling whether it is syscall entry or exit?
>
> Yes, this one too. This is one of longstanding annoyances
> that this information is not exposed.

That is not really "state", it's just which event you want.
That is much better addressed by replacing PTRACE_SYSCALL
with PTRACE_O_TRACE_SYSCALL_{ENTRY,EXIT} and PTRACE_EVENT_SYSCALL_{ENTRY,EXIT}.
Oleg can whip that up for you no problem.


Thanks,
Roland
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