[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.3-194-gd3ddec6

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.3-194-gd3ddec6

[roland]

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- Log -----------------------------------------------------------------
commit d3ddec6fd85189b292ba4b293e4c721a8c078b98
Author: Roland McGrath <roland@redhat.com>
Date:   Thu Oct 7 16:35:08 2010 -0700

    PR 11898: complete CFI expression support
    
    Finish support for DWARF expressions in CFI.

commit 16d59279f1ba6336fbf790c7998ae8af846c2361
Author: Roland McGrath <roland@redhat.com>
Date:   Thu Oct 7 13:26:52 2010 -0700

    PR 11898 (partial): skeleton CFI expression support
    
    Basic decoding and storage of DW_CFA_*expression rules.
    The actual expression evaluation support is still missing.

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

Summary of changes:
 runtime/unwind.c        |  375 +++++++++++++++++++++++++++++++++++++++++++----
 runtime/unwind/unwind.h |  168 ++++++++++++++++++++-
 2 files changed, 506 insertions(+), 37 deletions(-)


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systemtap: system-wide probe/trace tool