[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.2-83-gc4782e0

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commit c4782e01eebec8001fbdb3b2e94c55b3468a2f9e
Author: Josh Stone <jistone@redhat.com>
Date:   Wed Apr 21 18:53:03 2010 -0700

    Consolidate load_aggregate logic
    
    * translate.cxx (c_unparser::load_aggregate): Every caller needed to
      figure out pre_agg and var vs. mapvar, so let's do it for them.
      (c_unparser::visit_foreach_loop): Defer more to load_aggregate.
      (c_unparser::visit_arrayindex): Ditto.
      (c_unparser::visit_print_format): Ditto.
      (c_unparser::visit_stat_op): Ditto.
      (c_tmpcounter::load_aggregate): New, determine all the tmps needed to
      mirror c_unparser::load_aggregate.
      (c_tmpcounter::visit_foreach_loop): Call load_aggregate.
      (c_tmpcounter::visit_arrayindex): Ditto.
      (c_tmpcounter::visit_print_format): Ditto.
      (c_tmpcounter::visit_stat_op): Ditto.

commit 839325a1089805f9c309f2a61cb6f6e757c0faf0
Author: Josh Stone <jistone@redhat.com>
Date:   Wed Apr 21 17:46:38 2010 -0700

    Let hist buckets be printed with other arguments
    
    We already have quite a kludge to fall back from the print(@hist(...))
    special case if the @hist happens to have a bucket arrayindex on it.  In
    that case we're printing scalars, so we can allow the print to contain
    other scalar values too.
    
    As noted in a comment, this still fails if the arrayindex is the start
    of a larger expression. :(
    
    * parse.cxx (parser::parse_symbol): Parse other print args after @hist.
    * testsuite/buildok/print_histogram_entry.stp: Add a few prints to
      exercise this (and one that still doesn't work).

commit e76c6d65448d97cc530339cf903cc75cb293557f
Author: Josh Stone <jistone@redhat.com>
Date:   Wed Apr 21 17:24:08 2010 -0700

    PR2168: Support foreach over pmap histograms
    
    * translate.cxx (c_tmpcounter::visit_foreach_loop): Add tmps for hist
      indexes, only if it's not already cached from an outer foreach.
      (c_unparser::visit_foreach_loop): Allow the possibility that the hist
      var might need to be a mapvar.
    * testsuite/buildok/pmap_foreach.stp: Add a nested foreach loop.
    * testsuite/systemtap.base/foreach_value.stp: Add a nested foreach loop.
    * testsuite/systemtap.base/foreach_value.exp: Add expected output.

commit 8e00730c33bb33484644b71546648e892306cccd
Author: Josh Stone <jistone@redhat.com>
Date:   Wed Apr 21 15:35:01 2010 -0700

    PR2168: Support break/continue in histogram bucket foreach
    
    * translate.cxx (c_unparser::visit_foreach_loop): Output break and
      continue labels for histogram bucket foreach.
    * testsuite/buildok/iterate_histogram_buckets.stp: Enable test.

commit f6abaa092e44445645154dec3ca5960ff5ebeefb
Author: Josh Stone <jistone@redhat.com>
Date:   Wed Apr 21 15:31:00 2010 -0700

    Simplify c_unparser's break/continue a little

commit 5abd364dc69dc27d49b664b35ad36c25fcf82fbe
Author: Josh Stone <jistone@redhat.com>
Date:   Wed Apr 21 15:11:28 2010 -0700

    Block local stats and arrays in pass 2
    
    Parts of the translator get confused if stats or arrays are allowed
    through as locals.  It's easier to block it in pass 2 as soon as we can
    detect this issue.
    
    * elaborate.cxx (typeresolution_info::check_local): Make sure that probe
      and function locals are scalar longs or strings.
      (semantic_pass_types): Call check_local for functions and probes.
      (symresolution_info::visit_symbol): Make auto-locals scalar.
    * testsuite/semko/local_array.stp: Test that local arrays are rejected.
    * testsuite/semko/local_stat.stp: Test that local stats are rejected.
    * testsuite/transko/array01.stp: Move to semko.

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

Summary of changes:
 elaborate.cxx                                   |   30 ++++
 elaborate.h                                     |    1 +
 parse.cxx                                       |   12 ++
 testsuite/buildok/iterate_histogram_buckets.stp |    6 +-
 testsuite/buildok/pmap_foreach.stp              |    9 +
 testsuite/buildok/print_histogram_entry.stp     |    7 +-
 testsuite/{transko => semko}/array01.stp        |    2 +-
 testsuite/semko/local_array.stp                 |    8 +
 testsuite/semko/local_stat.stp                  |    8 +
 testsuite/systemtap.base/foreach_value.exp      |    4 +
 testsuite/systemtap.base/foreach_value.stp      |    7 +
 translate.cxx                                   |  201 +++++++----------------
 12 files changed, 150 insertions(+), 145 deletions(-)
 rename testsuite/{transko => semko}/array01.stp (91%)
 create mode 100755 testsuite/semko/local_array.stp
 create mode 100755 testsuite/semko/local_stat.stp


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