[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.2-391-gec3c800

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.2-391-gec3c800

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- Log -----------------------------------------------------------------
commit ec3c800b3556d90be2b2e810d2f0a496ddaba08b
Author: Mark Wielaard <mjw@redhat.com>
Date:   Thu Jul 1 16:42:30 2010 +0200

    PR11444 Don't leak CONTEXT->regs in unwind, explicitly use task_pt_regs.
    
    CONTEXT->regs might be kernel regs, or not set at all, so check whether
    we have a real task and grab the task_pt_regs before proceeding.
    
    * tapset/ucontext-unwind.stp (print_ubacktrace): Check current->mm
      and grab task_pt_regs.
      (print_ubacktrace_brief): Likewise.
      (ubacktrace): Likewise.

commit 2d5adb4a12d25af743c06bd100b1623ec70b197a
Author: Mark Wielaard <mjw@redhat.com>
Date:   Thu Jul 1 15:27:32 2010 +0200

    Move compatibility defines for task_pt_regs from context.stp to compatdefs.h.
    
    So task_pt_regs can be used in other tapset functions also.
    
    * tapset/context.stp: Move backwards compatible task_pt_regs defines to ...
    * runtime/compatdefs.h: ... here, and include an asm/ptrace.h include as
      the tracehooks documentation says might contain another definition.

-----------------------------------------------------------------------

Summary of changes:
 runtime/compatdefs.h       |   16 +++++++++++
 tapset/context.stp         |   13 ---------
 tapset/ucontext-unwind.stp |   63 ++++++++++++++++++++++++++++++-------------
 3 files changed, 60 insertions(+), 32 deletions(-)


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systemtap: system-wide probe/trace tool