[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.7-151-g7872a5b

[mark@sourceware.org]

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The branch, master has been updated
       via  7872a5b9d76dc78d8956de3d2a11757783121674 (commit)
       via  27b8459045b2276a8bb9ec5f8697cf2931291c4c (commit)
       via  6d079c65967609c416afc3092241219482507784 (commit)
       via  4285dc9a58fbdae1516c4117a3f9297b822f27ff (commit)
      from  78c9d72e18da2d5c930fb39460c236ea24fee423 (commit)

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- Log -----------------------------------------------------------------
commit 7872a5b9d76dc78d8956de3d2a11757783121674
Author: Mark Wielaard <mjw@redhat.com>
Date:   Wed May 20 23:11:43 2009 +0200

    Properly read eh_frame and pass is_ehframe correctly.
    
    * runtime/unwind.c (adjustStartLoc): Add extra dbug_unwind.
      (_stp_search_unwind_hdr): Always pass true for is_ehframe.
      (unwind_frame): Properly pass through is_ehframe to adjustStartLoc().
      (unwind): Add extra dbug_unwind.
    * translate.cxx (dump_unwindsyms): Output and use correct eh_frame
      and eh_len.

commit 27b8459045b2276a8bb9ec5f8697cf2931291c4c
Author: Mark Wielaard <mjw@redhat.com>
Date:   Wed May 20 16:51:24 2009 +0200

    Use debug_frame table, then fallback to eh_frame when necessary.
    
    * runtime/unwind.c (unwind): Call new unwind_frame() first with debug_frame
      data, then if that wasn't able to unwind again with eh_frame data.
      (unwind_frame): Adapted version of old unwind() function that takes a
      table, table length and whether it is an eh_frame table.

commit 6d079c65967609c416afc3092241219482507784
Author: Mark Wielaard <mjw@redhat.com>
Date:   Wed May 20 15:40:29 2009 +0200

    Pass and use ptrType and is_ehframe to unwind adjustStartLoc.
    
    * runtime/unwind.c (adjustStartLoc): Add ptrType and is_ehframe as arguments.
      Use these to adjust location when necessary.
      (DEBUG_UNWIND): Move block before adjustStartLoc.
      Pass false for is_ehframe throughout.

commit 4285dc9a58fbdae1516c4117a3f9297b822f27ff
Author: Mark Wielaard <mjw@redhat.com>
Date:   Wed May 20 15:24:02 2009 +0200

    Fetch and store both debug_frame and eh_frame tables.
    
    * runtime/sym.h (_stp_module): Remove unwind_data, unwind_data_len and
      unwind_is_ehframe fields. Add debug_frame, eh_frame, debug_frame_len,
      eh_frame_len and eh_frame_addr fields.
    * runtime/unwind.c: Use debug_frame and debug_frame_len instead of
      unwind_data and unwind_data_len throughout.
      (cie_for_fde): Take unwind_data and is_ehframe as direct arguments.
    * runtime/unwind/unwind.h (cie_for_fde): New function declaration.
    * translate.cxx (get_unwind_data): Fetch and return both debug_frame
      and eh_frame tables.
      (dump_unwindsyms): Dump both debug_frame and eh_frame tables.

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

Summary of changes:
 runtime/sym.h           |    8 +-
 runtime/unwind.c        |  203 +++++++++++++++++++++++++++--------------------
 runtime/unwind/unwind.h |    4 +-
 translate.cxx           |  130 +++++++++++++++++++++---------
 4 files changed, 216 insertions(+), 129 deletions(-)


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systemtap: system-wide probe/trace tool