Messages in this thread | | | Date | Mon, 18 Jun 2007 08:15:37 -0500 | From | "Josh Boyer" <> | Subject | Re: [RFC] [PATCH] selective signal ptracing |
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On 6/16/07, Roland McGrath <roland@redhat.com> wrote: > > What are the issues with arch like ARM ? > > The interesting class ARM belongs to is machines that don't (or don't > always) have hardware support for single-step. Maintaining the status quo > of how PTRACE_SINGLESTEP functions on these machines is different in > implementation under utrace than it is for machines that always use > hardware support. That is the only special complication for ARM, and it is > not really very complicated. Apparently the way I described the issue in > the past was easily misunderstood.
That isn't just ARM. There are some embedded PowerPC chips that lack an easily usable hardware single step. Just an FYI.
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