[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.2-261-g2867a2a

[jistone at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 2867a2a13d186e0a1db73b4cd40191c21defcab3
Author: Josh Stone <jistone@redhat.com>
Date:   Fri Jun 11 18:22:56 2010 -0700

    PR11698: Track aliases even with ppc function descriptors
    
    We can include function descriptors in the symbol table, and just make
    sure that we don't try to probe them with query_module_symtab.  This
    lets update_symtab do its thing resolving aliased names.
    
    * dwflpp.h (func_info): Add a descriptor flag.
    * tapsets.cxx (symbol_table::add_symbol): Set the descriptor flag.
      (symbol_table::read_symbols): Not descriptors.
      (symbol_table::get_from_elf): Functions from powerpc rejected sections
      are function descriptors.
      (dwarf_query::query_module_symtab): Don't probe descriptors.

commit d1fa8b15783c94b1ba7aeeb9802b65c99aa76dfd
Author: Josh Stone <jistone@redhat.com>
Date:   Fri Jun 11 17:44:51 2010 -0700

    PR10327: Fix and test alias matching
    
    The optimization in commit 4df79aa broke alias matching for functions
    without wildcards, but we didn't have any testing. :(
    
    * dwflpp.cxx (dwflpp::iterate_single_function): Call update_symtab after
      building the module function cache, to enable alias matching.
    * testsuite/systemtap.base/func_alias.{exp,c}: New test.

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

Summary of changes:
 dwflpp.cxx                              |    1 +
 dwflpp.h                                |    4 +-
 tapsets.cxx                             |   18 +++++-----
 testsuite/systemtap.base/func_alias.c   |    2 +
 testsuite/systemtap.base/func_alias.exp |   60 +++++++++++++++++++++++++++++++
 5 files changed, 74 insertions(+), 11 deletions(-)
 create mode 100644 testsuite/systemtap.base/func_alias.c
 create mode 100644 testsuite/systemtap.base/func_alias.exp


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