[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.8-184-gf982c59

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.8-184-gf982c59

[jistone]

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- Log -----------------------------------------------------------------
commit f982c59b2c2b1c25684213c816a69f18a98fea8a
Author: Josh Stone <jistone@redhat.com>
Date:   Mon Jul 20 18:01:40 2009 -0700

    PR10424: Consider each tracepoint header separately
    
    With the current monolithic tracepoint query module, a failure in any of
    the discovered tracepoint headers means that you can't use any of the
    others either.  This patch creates a separate query module for each
    header so they can pass or fail independently.
    
    * buildrun.cxx (make_tracequery): take a single header name instead of
      globbing for everything we can find.
    * hash.cxx (find_tracequery_hash): name the header file we're hashing.
    * tapsets.cxx (tracepoint_query::handle_query_func): make sure we don't
      duplicate tracepoints found through different headers.
      (tracepoint_builder::get_tracequery_module): get a header's module
      (tracepoint_builder::init_dw): glob for all tracepoint headers, and
      feed all their modules into dwflpp.

commit 9a193b06eb0e5ca463576e4fa9e8da0a70022a4a
Author: Josh Stone <jistone@redhat.com>
Date:   Mon Jul 20 17:57:56 2009 -0700

    Make sure that non-existent files still affect hashing
    
    The fact that a file _doesn't_ exist is significant, so adding such a
    file to a computed hash should still influence the output.
    
    * hash.cxx (hash::add_file): add bogus stat info for non-existent files

commit 0c16d51256bc77c2b5497b72ec43b7864d2b47a8
Author: Josh Stone <jistone@redhat.com>
Date:   Mon Jul 20 16:32:33 2009 -0700

    Allow dwflpp to take a vector of module names
    
    This will be used to load tracepoint modules as a bunch of little query
    modules into a single dwflpp.
    
    * dwflpp.cxx (setup_user): take a vector instead of a single module
      (dwflpp::dwflpp): form a vector in the singular case, and add a
      variant that takes and passes through a vector of modules.

commit a2639cb76e9151cad6ceebc21857d2d6aa8cbc8a
Author: Josh Stone <jistone@redhat.com>
Date:   Mon Jul 20 16:25:35 2009 -0700

    Return hash module values directly as strings
    
    * session.h (systemtap_session): remove tracequery_path
    * hash.cxx (find_tracequery_hash, find_typequery_hash): return strings
    * tapsets.cxx (dwarf_cast_expanding_visitor::filter_special_modules):
      get the hashed path from the return value instead of a parameter
      (tracepoint_builder::init_dw): ditto, and don't stuff it in session

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

Summary of changes:
 buildrun.cxx |   49 +++++++-----------------------
 buildrun.h   |    1 +
 dwflpp.cxx   |   56 ++++++++++++++++++++++------------
 dwflpp.h     |    3 +-
 hash.cxx     |   31 ++++++++++---------
 hash.h       |    5 +--
 session.h    |    1 -
 tapsets.cxx  |   93 ++++++++++++++++++++++++++++++++++++++++++++++------------
 8 files changed, 143 insertions(+), 96 deletions(-)


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systemtap: system-wide probe/trace tool