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Re: ppc nd_syscall broken (was Re: manual SyS_foo management is unnecessary?)
On 06/15/2010 01:07 PM, David Smith wrote:
> The error is in the 'argnum == 8' case - there is a missing 'if'. That
> line should be:
>
> else if (argnum == 8)
> val = u_register("r10")
>
> Since there was no "if", systemtap grabbed the register you asked for,
> then always grabbed the value of r10. So, that garbage we saw was
> really the value of r10.
I haven't actually run the code, but it looks like the s390x version of
registers.stp suffers from the same missing "if" problem...
--
David Smith
dsmith@redhat.com
Red Hat
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