On Tue, Nov 20, 2007 at 08:29:19PM -0800, Roland McGrath wrote: > Here are the steps I have in mind. I think this work should be pretty well > clear to merge upstream without much controversy. Basically, this is the > arch parts now done in the tracehook and regset patches, with a little > sugar. Several of these steps can be done in parallel and merged upstream > independently.
Thanks for kicking this off and the detailed mail. <snip> > 1. asm/tracehook.h functions, i.e. single_step et al. <snip> > #1 depends on nothing else. > > 2. arch regset functions, and define task_user_regset_view (new name for > utrace_native_view). This is in the utrace-regset patch for your arch > now. How to organize this for upstream submission will depend on the > details of the code for your arch and what your arch maintainers want. <snip> > #2 depends on nothing else but the generic patch adding linux/regset.h > > 3. Use regset functions for core dump. <snip> > #3 depends on #2 > > 4. Use regset functions for ptrace. <snip> > > #4 depends on #2 and the generic patches providing the ptrace_layout > helpers > > 5. arch cruft removal. <snip> At what step do you envisage the core utrace bits (engine, etc), be merged? From a pure utrace client (!ptrace) perspective, it'd be important to be able to do things as attach an engine, quiesce a thread and the like. <snip> > I will get started on the groundwork patches and do x86 to set the > example. I think I can get this going in the next few days (next few > business days anyway, not sure about the holiday weekend right now). Looking forward to this... Thanks, Ananth
