[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.1-260-g8bd0f6d

[mark at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 8bd0f6dce9effdb8bde2fb2cc6ab2c68be8d32d7
Author: Mark Wielaard <mjw@redhat.com>
Date:   Fri Mar 19 13:00:50 2010 +0100

    PR11402 Support pipe2 syscall.
    
    The pipe2() was added to Linux in version 2.6.27. It is a variant of the
    normal pipe syscall, but takes an extra flags argument which can be the
    ORed value of O_NONBLOCK and O_CLOEXEC.
    
    * tapset/aux_syscalls.stp (_sys_pipe2_flag_str:string): New helper function.
    * tapset/syscalls2.stp (syscall.pipe2, syscall.pipe2.return): New probes.

commit 3651ea20da2292ec86cafca4ca4a8f220df910cf
Author: Mark Wielaard <mjw@redhat.com>
Date:   Fri Mar 19 12:30:44 2010 +0100

    Recognize O_CLOEXEC in _sys_open_flag_str.
    
    * tapset/aux_syscalls.stp (_sys_open_flag_str): If O_CLOEXEC is defined
      recognize and return it.

commit 58ea0457e185e7cbea71c16d88dfa43a3196f803
Author: Mark Wielaard <mjw@redhat.com>
Date:   Fri Mar 19 11:55:57 2010 +0100

    Make pipe file descriptors available in syscall.pipe[.return].
    
    The actual value of the pipe file descriptors can be interesting,
    especially in the syscall.pipe.return probe. This can be done without
    any embedded C now using @cast. So don't use _fildes_u() anymore.
    _fildes_u in aux_syscall.stp is still retained because it is used in
    nd_syscalls2.stp for pipe.
    
    * tapset/syscalls2.stp (syscall.pipe, syscall.pipe.return): Add pipe1
      pipe2 convenience variables. Don't use _fildes_u for argstr anymore.

commit 7189a12dcef9b1c515e052f9d8a53e53a8d58b73
Author: Mark Wielaard <mjw@redhat.com>
Date:   Fri Mar 19 11:32:22 2010 +0100

    Use @defined() in syscall.pipe to select whether fildes_uaddr is available.
    
    * tapset/aux_syscalls.stp (syscall.pipe): Remove architecture dependent
      probe definitions. Newer gcc make $fildes available on more arches.
      Use @defined($fildes) to select on which ones.

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

Summary of changes:
 tapset/aux_syscalls.stp |   23 ++++++++++
 tapset/syscalls2.stp    |  103 +++++++++++++++++++++++++++++++++++++---------
 2 files changed, 106 insertions(+), 20 deletions(-)


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