[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.4-210-g84c84ac

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.4-210-g84c84ac

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- Log -----------------------------------------------------------------
commit 84c84ac48824577e28f306ab99c430d8dd85e420
Author: Stan Cox <scox@redhat.com>
Date:   Wed Mar 30 11:14:43 2011 -0400

    Add more syntax for shared library probing.
    
    	* dwflpp.cxx (iterate_over_libraries): New.  Get library list via
    	ld-linux.so.
    	* dwflpp.h (iterate_over_libraries): Likewise.
    
    	* tapsets.cxx (base_query): If this is a library then save the
    	executable path.
    	(query_module): For a library, call query_library_callback via
    	iterate_over_libraries.
    	(query_library_callback): New. Calls query_library.
    	(query_library): Substitute the library name into the chain then
    	derive_probes.
    
    	library.exp:  Add library("*") test.

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

Summary of changes:
 dwflpp.cxx                           |  105 ++++++++++++++++++++++++++++++++--
 dwflpp.h                             |    4 +
 tapsets.cxx                          |   80 ++++++++++++++++++++-----
 testsuite/systemtap.base/library.exp |   18 ++++++
 4 files changed, 186 insertions(+), 21 deletions(-)


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systemtap: system-wide probe/trace tool