[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.7-4-g3cb2045

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.7-4-g3cb2045

[dsmith]

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      from  38e258727786a796835fb669f7413f52e207fd07 (commit)

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- Log -----------------------------------------------------------------
commit 3cb2045e46dcac5d2c33fd22622508891c66bee0
Author: David Smith <dsmith@redhat.com>
Date:   Fri Apr 24 12:48:29 2009 -0500

    Cache and retrieve syscall arguments when needed.
    * runtime/task_finder.c (__stp_utrace_task_finder_target_syscall_entry):
      New function that caches syscall arguments for mmap(), munmap(), and
      mprotect() for use in __stp_utrace_task_finder_target_syscall_exit().
      (__stp_utrace_task_finder_target_syscall_exit): Uses cached syscall
      argument info when making callbacks.
      (stap_start_task_finder): Initializes map subsytem for storing syscall
      argument data.
    * runtime/task_finder_map.c: New file containing functions to save and
      retrieve syscall arguments.

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

Summary of changes:
 runtime/task_finder.c     |  137 ++++++++++++++++++++++++--------
 runtime/task_finder_map.c |  191 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 293 insertions(+), 35 deletions(-)
 create mode 100644 runtime/task_finder_map.c


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systemtap: system-wide probe/trace tool