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    SubjectRe: [PATCH 10/27] ptrace: generic resume
    On Sun, Nov 25, 2007 at 02:01:09PM -0800, Roland McGrath wrote:
    > This makes ptrace_request handle all the ptrace requests that wake
    > up the traced task. These do low-level ptrace implementation magic
    > that is not arch-specific and should be kept out of arch code. The
    > implementations on each arch usually do the same thing. The new
    > generic code makes use of the arch_has_single_step macro and generic
    > entry points to handle PTRACE_SINGLESTEP.

    Nice, I've been trying to get people to move this to common code for
    a while :)

    > +#define is_singlestep(request) ((request) == PTRACE_SINGLESTEP)
    > +#else
    > +#define is_singlestep(request) 0
    > +#endif
    > +
    > +#ifdef PTRACE_SYSEMU
    > +#define is_sysemu_singlestep(request) ((request) == PTRACE_SYSEMU_SINGLESTEP)
    > +#else
    > +#define is_sysemu_singlestep(request) 0
    > +#endif

    Could we by any chance just force every architecture using generic code
    to implement PTRACE_SINGLESTEP and PTRACE_SYSEMU? This will lead to
    both far less messy code and a more consistant user interface.

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      Last update: 2007-11-25 23:27    [W:0.020 / U:7.544 seconds]
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