[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.0-128-ga8f1332

[mark at sourceware dot org]

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- Log -----------------------------------------------------------------
commit a8f1332f49206b314871fbdea50ab1045401a024
Merge: 96c57a86bb8d14b49b2e8b0ab8e9a044b2fadf42 bc0b26aa958253192328bc4084ba367536fb4842
Author: Mark Wielaard <mjw@redhat.com>
Date:   Wed Oct 21 11:47:47 2009 +0200

    Merge branch 'unwind_robust'

commit bc0b26aa958253192328bc4084ba367536fb4842
Author: Mark Wielaard <mjw@redhat.com>
Date:   Tue Oct 20 17:08:57 2009 +0200

    Limit the number of call frame instructions we process in the unwinder.
    
    * runtime/unwind.c (processCFI): Fail if the number of instructions is
      larger than MAX_CFI (currently 512).

commit 1adb61a4e1313b178f2db7d5ce766a505c073a24
Author: Mark Wielaard <mjw@redhat.com>
Date:   Tue Oct 20 16:55:04 2009 +0200

    Make sure cie and fde end point to sane values in while doing unwind_frame.
    
    * runtime/unwind.c (unwind_frame): Check end read from cie or fde doesn't
      go passed end of unwind table.

commit bf043a5f9c9f807d670276b6c389bf5439245edb
Author: Mark Wielaard <mjw@redhat.com>
Date:   Tue Oct 20 13:55:15 2009 +0200

    Be paranoid about table size resolving cie_for_fde and fde_pointer_type.
    
    * runtime/unwind.c (cie_for_fde): Take table and table_len into account.
      (fde_pointer_type): Likewise.
    * runtime/unwind/unwind.h: Adjust function prototypes.

commit c42e2d2e1a9e8c09a435089ce351e1d36309dd9b
Author: Mark Wielaard <mjw@redhat.com>
Date:   Tue Oct 20 12:38:55 2009 +0200

    Add limit on unwind table size we accept.
    
    * translate.cxx (MAX_UNWIND_TABLE_SIZE): New define.
      (dump_unwindsyms): Check debug_len and eh_len against new limit.

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

Summary of changes:
 runtime/unwind.c        |   43 ++++++++++++++++++++++++++++++++++++-------
 runtime/unwind/unwind.h |    6 ++++--
 translate.cxx           |   11 +++++++++++
 3 files changed, 51 insertions(+), 9 deletions(-)


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