Messages in this thread | | | Date | Wed, 29 May 2002 19:49:51 -0400 | From | Daniel Jacobowitz <> | Subject | Re: No PTRACE_READDATA for archs other than SPARC? |
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On Sun, May 19, 2002 at 09:40:53PM -0700, David S. Miller wrote: > From: Pradeep Padala <ppadala@cise.ufl.edu> > Date: Sun, 19 May 2002 23:08:36 -0400 (EDT) > > I was trying to understand ptrace code in kernel. It seems there's > no PTRACE_READDATA for architectures other than sparc and sparc64. > There's a function named ptrace_readdata() in kernel/ptrace.c but I > couldn't find a way to invoke it from user space. Is the feature > missing? or Is it intended? > > Only Sparc implements this, that is correct. > > If other platforms added PTRACE_READDATA support, they would > also need to add some way to do a feature test for it's presence > so that GDB and other debugging code could actually make use > of it portably.
Not really, we should just get EINVAL (ENOSYS?) back when we try to use it, right?
-- Daniel Jacobowitz Carnegie Mellon University MontaVista Software Debian GNU/Linux Developer - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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