[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.3-160-g448a86b

[jistone at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 448a86b7ff08eea4c2ffda8ac3249cf3cbb2e041
Author: Josh Stone <jistone@redhat.com>
Date:   Tue Sep 28 15:41:52 2010 -0700

    Fix SDTv2 with separate debuginfo
    
    We had a case where the ".probes" section was found in the main binary,
    but then sdt_query::init_probe_scn got its Elf* by looking first via the
    debuginfo and then falling back to the executable.  So when we got the
    raw data pointer, it was using the wrong Elf* for that section.
    
    This fix is to let dwflpp::get_section return the Elf* in which it found
    the appropriate section, so init_probe_scn doesn't have to guess.
    
    * dwflpp.cxx (dwflpp::get_section): Add an optional Elf** return
      pointer, and fill it in if needed.
    * tapsets.cxx (sdt_query::init_probe_scn): Use that Elf* for the section.

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

Summary of changes:
 dwflpp.cxx  |   10 ++++++----
 dwflpp.h    |    3 ++-
 tapsets.cxx |    6 ++----
 3 files changed, 10 insertions(+), 9 deletions(-)


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systemtap: system-wide probe/trace tool