[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-111-g207d2da

[mark@sourceware.org]

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- Log -----------------------------------------------------------------
commit 207d2da9298e751279039ddd8aac11fd6678e301
Author: Mark Wielaard <mjw@redhat.com>
Date:   Wed Aug 17 13:46:48 2011 +0200

    PR6961 - backtrace from non-pt_regs probe context
    
    When printing a kernel backtrace use the kernel dump_trace if available.
    If the kernel is compiled with frame pointers we can guess the stack
    pionter pretty reliably, otherwise let dump_stack figure it out and
    skip some of the framework stack frames before starting the print the
    remaining stack.

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

Summary of changes:
 runtime/stack-x86.c                       |    3 +-
 runtime/stack.c                           |   55 +++++++++++++++++++++--------
 testsuite/systemtap.context/backtrace.stp |    4 ++-
 3 files changed, 45 insertions(+), 17 deletions(-)


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