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SubjectRe: No PTRACE_READDATA for archs other than SPARC?
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   From: Daniel Jacobowitz <dmj+@andrew.cmu.edu>
Date: Wed, 29 May 2002 19:49:51 -0400

Not really, we should just get EINVAL (ENOSYS?) back when we try to use
it, right?

I answered this last week, you will get -EIO which turns out to also a
valid return from PTRACE_READDATA. So a backwards compatible way to
test for existence of PTRACE_READDATA is going to be difficult.
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