[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-215-g10f1823

[fche@sourceware.org]

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- Log -----------------------------------------------------------------
commit 10f182319278db84525e93fd04d14db5ad69b9d0
Author: Frank Ch. Eigler <fche@redhat.com>
Date:   Wed Sep 14 18:49:51 2011 -0400

    PR6503: verify build-ids of dynamically arriving modules
    
    With the horrible module_sect_attr* hack, the .note.gnu.build-id data
    may now be verified.
    
    * runtime/sym.c (_stp_kmodule_check): New function.
    * runtime/transport/symbols.c (_stp_module_notifier): Upon MODULE_STATE_COMING,
      verify build-ids.  Reject the module from further consideration upon a
      mismatch.

commit 2c9caccb8852f29c32f5daa792277bda7d9b27f8
Author: Frank Ch. Eigler <fche@redhat.com>
Date:   Wed Sep 14 17:52:44 2011 -0400

    PR6503: get at dynamic module section addresses via horrible hack (tm)
    
    Since <linux/module.h> does not declare structs module_sect_attr[s],
    let's declare it ourselves.  We need to get at these, because
    otherwise there is no way to get at the build-id section address.
    
    * runtime/autoconf-module-sect-attrs.c: New (partial) autoconf file.
    * buildrun.cxx (compile_pass): Build it.
    * runtime/transport/symbols.c (_stp_module_notifier): Use our own
      modern (2.6.19+) declaration of these structs to pass all section
      names/addresses to _stp_kmodule_update_address.

commit f4b68202c55202857ce11ef41aace7d1c8b1cd12
Author: Frank Ch. Eigler <fche@redhat.com>
Date:   Wed Sep 14 17:51:27 2011 -0400

    PR6503: note special build-id relocation with -DDEBUG_SYMBOLS
    
    * runtime/sym.c (_stp_kmodule_update_address): Specially
      note .note.gnu.build-id pseudo-section being relocated.

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

Summary of changes:
 buildrun.cxx                         |    1 +
 runtime/autoconf-module-sect-attrs.c |    7 +++
 runtime/sym.c                        |   47 ++++++++++++++++++++-
 runtime/transport/symbols.c          |   76 +++++++++++++++++++++++-----------
 4 files changed, 105 insertions(+), 26 deletions(-)
 create mode 100644 runtime/autoconf-module-sect-attrs.c


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systemtap: system-wide probe/trace tool