[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.9-339-g6846cfc

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.9-339-g6846cfc

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- Log -----------------------------------------------------------------
commit 6846cfc8a5cdb24fccb19037b27a180d2300ee09
Author: Stan Cox <scox@redhat.com>
Date:   Wed Sep 16 21:05:00 2009 -0400

    * sdt.h (STAP_SEMAPHORE): New.  Add guard to utrace probe points.
    * itrace.h (__access_process_vm): Moved from here...
    * runtime/access_process_vm.h: New.  ...to here.
    * translate.cxx (translate_pass): Include access_process_vm.h
    * session.h (sdt_semaphore_addr): New.
    * tapsets.cxx (sdt_query::record_semaphore): New.  Record sdt_semaphore_addr.
    (uprobe_derived_probe_group::emit_module_decls): Allow for uprobe guard variable to be set and unset.
    (uprobe_derived_probe_group::emit_module_decls): Likewise.
    (uprobe_derived_probe_group::emit_module_exit): Likewise.
    * tapset-utrace.cxx (utrace_derived_probe_group::emit_probe_decl): Likewise.
    (utrace_derived_probe_group::emit_module_decls): Likewise.
    (utrace_derived_probe_group::emit_module_exit): Likewise.

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

Summary of changes:
 includes/sys/sdt.h                    |   36 ++++++++++++--
 runtime/access_process_vm.h           |   54 ++++++++++++++++++++
 runtime/itrace.c                      |   56 +--------------------
 session.h                             |    4 ++
 tapset-utrace.cxx                     |   46 +++++++++++++++++
 tapsets.cxx                           |   86 +++++++++++++++++++++++++++++++--
 testsuite/systemtap.base/sdt_misc.exp |   25 +++++-----
 translate.cxx                         |    1 +
 8 files changed, 233 insertions(+), 75 deletions(-)
 create mode 100644 runtime/access_process_vm.h


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