[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.8-235-g71db462

[dsmith at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 71db462b1e647734bb4742cd7405e2e27f02570e
Author: David Smith <dsmith@redhat.com>
Date:   Fri Sep 14 10:13:19 2012 -0500

    (PR14571 partial fix) For dyninst, use TLS for the context structure.
    
    * translate.cxx (c_unparser::emit_common_header): Update to use thread
      local storage in dyninst mode for context structure.
      (c_unparser::emit_global_param): Since there are no module parameters
      with dyninst, don't bother emitting code.
      (c_unparser::emit_module_init): Don't bother emitting kernel-only code
      in dyninst mode.
    * runtime/vsprintf.c (_stp_vsprint_memory): For dyninst, use thread local
      storage to get correct context structure.
    * tapsets.cxx (common_probe_entryfn_prologue): Take a 'systemtap_sesion'
      argument instead of a 'translator_output' argument.  This allows access
      to the s.is_usermode() function (so we can avoid outputting kernel code
      when using dyninst).
      (dwarf_derived_probe_group::emit_module_decls): Update
      common_probe_entryfn_prologue() call.
      (uprobe_derived_probe_group::emit_module_utrace_decls): Ditto.
      (uprobe_derived_probe_group::emit_module_inode_decls): Ditto.
      (uprobe_derived_probe_group::emit_module_dyninst_decls): Ditto.
      (kprobe_derived_probe_group::emit_module_decls): Ditto.
      (hwbkpt_derived_probe_group::emit_module_decls): Ditto.
      (tracepoint_derived_probe_group::emit_module_decls): Ditto.
    * tapset-been.cxx (be_derived_probe_group::emit_module_decls): Ditto.
    * tapset-itrace.cxx (itrace_derived_probe_group::emit_module_decls): Ditto.
    * tapset-mark.cxx (mark_derived_probe_group::emit_module_decls): Ditto.
    * tapset-netfilter.cxx (netfilter_derived_probe_group::emit_module_decls):
      Ditto.
    * tapset-perfmon.cxx (perf_derived_probe_group::emit_module_decls): Ditto.
    * tapset-procfs.cxx (procfs_derived_probe_group::emit_module_decls):
      Ditto.
    * tapset-timers.cxx (profile_derived_probe_group::emit_module_decls):
      Ditto.
    * tapset-utrace.cxx (utrace_derived_probe_group::emit_module_decls):
      Ditto.
    * tapsets.h: Updated common_probe_entryfn_prologue() declaration.

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

Summary of changes:
 runtime/vsprintf.c   |    8 ++
 tapset-been.cxx      |    2 +-
 tapset-itrace.cxx    |    2 +-
 tapset-mark.cxx      |    2 +-
 tapset-netfilter.cxx |    2 +-
 tapset-perfmon.cxx   |    2 +-
 tapset-procfs.cxx    |    4 +-
 tapset-timers.cxx    |    6 +-
 tapset-utrace.cxx    |    4 +-
 tapsets.cxx          |  185 ++++++++++++++-------------
 tapsets.h            |    2 +-
 translate.cxx        |  341 ++++++++++++++++++++++++++------------------------
 12 files changed, 296 insertions(+), 264 deletions(-)


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systemtap: system-wide probe/trace tool