[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.0-65-g6b51747

[jistone at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 6b517475576ac5f2209e5231d14d0b8aa0b6a4d5
Author: Josh Stone <jistone@redhat.com>
Date:   Mon Oct 5 17:41:30 2009 -0700

    PR10726: Get the correct scope for statement(NUM)
    
    The problem in this bug is that our statement(NUM) lookup was only
    searching for the outermost function (not inlined) which contains the PC
    in question.  When that PC happens to be the beginning of the function
    and also the beginning of an inline, the caching was using the wrong
    variable scope.
    
    The function/statement(NUM) lookup has been rewritten to bypass all of
    the CU and function iteration, and just go straight to a getscopes(pc)
    lookup, so it will now always use the innermost containing die for the
    variable scope.
    
    * tapsets.cxx (query_addr): New, short-circuit for numeric probes.
      (dwarf_query::query_module_dwarf): Route num probes to query_addr.
      (query_label): Assume now that we only need to handle _str probes.
      (query_dwarf_inline_instance): Ditto.
      (query_dwarf_func): Ditto.
      (query_cu): Ditto.

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

Summary of changes:
 tapsets.cxx |  451 +++++++++++++++++++++++++++++------------------------------
 1 files changed, 219 insertions(+), 232 deletions(-)


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