[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.2-385-g0aab711

[mark at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 0aab7115c0099c0b8d7579befdea8557c25078f9
Author: Mark Wielaard <mjw@redhat.com>
Date:   Wed Jun 30 14:27:05 2010 +0200

    Fix .debug_frame dwarf unwinding through prelinked dynamic libraries.
    
    This wasn't immediately visible since often we would pick up the .eh_frame
    CFI. But when the would pick up the CFI from the .debug_frame and the
    shared library was prelinked, we would not correctly adjust some addresses.
    
    * runtime/sym.h (_stp_module): Better explain dwarf_module_base.
    * runtime/unwind.c (adjustStartLoc): Only adjust against dwarf_module_base
      when not eh_frame.
    * translate.cxx (dump_unwindsyms): Adjust dwarf_module_base against dwbias.

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

Summary of changes:
 runtime/sym.h    |   10 +++++++---
 runtime/unwind.c |   22 +++++++++++-----------
 translate.cxx    |    4 +++-
 3 files changed, 21 insertions(+), 15 deletions(-)


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