[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-381-g756df9f

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-381-g756df9f

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- Log -----------------------------------------------------------------
commit 756df9f5d5bc9f9e9a2cbfaffadcab9895a8b1e2
Author: Mark Wielaard <mjw@redhat.com>
Date:   Fri Nov 4 17:26:43 2011 +0100

    PPC64 Dwarf handle both .debug_frame and .eh_frame register mappings.
    
    These are slightly strange since they don't really use dwarf register
    mappings, but gcc internal register numbers. There is some confusion about
    the numbering see http://gcc.gnu.org/ml/gcc/2004-01/msg00025.html
    We just handle the 32 fixed point registers, mq, count and link and
    ignore status registers, floating point, vectors and special registers
    (most of which aren't available in pt_regs anyway). Also we placed nip
    last since we use that as UNW_PC register and it needs to be filled in.
    Note that we handle both the .eh_frame and .debug_frame numbering at
    the same time. There is potential overlap though. 64 maps to cr in one
    and mq in the other...

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

Summary of changes:
 runtime/unwind/ppc64.h |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)


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systemtap: system-wide probe/trace tool