[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.7-319-g021b325

[serhei at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 021b325105d29868d7aa1bc2d51a6906a1d5c1dd
Author: Serguei Makarov <smakarov@redhat.com>
Date:   Wed Jun 13 13:28:38 2012 -0400

    NEWS: describe the required changes to embedded-C functions.
    
    - SystemTap now mangles local variables to avoid collisions with C
      headers included by tapsets. This required a change in how
      embedded-C functions access local parameters and the return value slot.
    
      Instead of THIS->foo in an embedded-C function, please use the newly
      defined macro STAP_ARG_foo (substitute the actual name of the
      argument for 'foo'); instead of THIS->__retvalue, use the newly
      defined STAP_RETVALUE. All of the tapsets and test cases have been
      adapted to use this new notation.
    
      If you need to run code which uses the old THIS-> notation, run stap
      with the --compatible=1.7 option.

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Summary of changes:
 NEWS |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)


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