[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.8-178-g6561d8d

[jistone@sourceware.org]

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- Log -----------------------------------------------------------------
commit 6561d8d1c4246d6a9aa21a5df36066406f26f0b3
Author: Josh Stone <jistone@redhat.com>
Date:   Fri Aug 10 17:46:13 2012 -0700

    PR14396: Add pretty-printing support for UTF
    
    * dwarf_wrappers.h: Define DW_ATE_UTF if elfutils < 0.155.
    * tapsets.cxx (dwarf_pretty_print::recurse_base): Print UTF with %#c
      too. This will generally only work with the ASCII subset for now...
      (dwarf_pretty_print::print_chars): Match strings by char/UTF encoding
      types, rather than by type name, and use the byte_size to select the
      correct string dereferencing function.
    * testsuite/systemtap.base/utf_pretty.*: Test it!

commit 8987b3050c167457ef8dfe93ce58adb4d1d441b1
Author: Josh Stone <jistone@redhat.com>
Date:   Fri Aug 10 15:15:29 2012 -0700

    PR14396: Add UTF-16/32 conversion functions
    
    * runtime/stp_string.c (_stp_convert_utf32): New, write the given
      UTF-32 code point as UTF-8 in the given buffer.
    * tapset/linux/conversions.stp (kernel_string_utf32): New, read and
      convert a UTF-32 string from kernel memory.
      (kernel_string_utf16): Same for UTF-16, handling surrogate pairs.
      (kernel_string2_utf32, kernel_string2_utf16): Same w/ custom error.
    * tapset/linux/uconversions.stp: All of the above for user memory.
    * testsuite/buildok/conversions*.stp: Add build tests.
    * testsuite/systemtap.base/utf_*: New runtime tests.

commit 15ceae269f2f980ca10439a215cf77148eac9e5d
Author: Josh Stone <jistone@redhat.com>
Date:   Fri Aug 10 14:50:41 2012 -0700

    loc2c-runtime.h: Add uread() and uwrite()
    
    These are the userspace equivalents to kread() and kwrite().
    
    For the (unused) STAPCONF_PROBE_KERNEL case, just define them as direct
    equivalents.  Also add in missing kderef and store_kderef the same way.
    
    For the architecture-implemented case, they are nearly identical to
    kread and kwrite, just s/kderef/uderef/.  So to avoid duplication, I've
    added in a layer of macro indirection to pass in the appropriate deref
    function.  (Nevermind that the [ku]derefs are often identical -- oh,
    what a tangled web we weave...)

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

Summary of changes:
 dwarf_wrappers.h                                   |    4 +
 runtime/loc2c-runtime.h                            |   36 ++++---
 runtime/stp_string.c                               |   61 +++++++++++
 tapset/linux/conversions.stp                       |  108 +++++++++++++++++++
 tapset/linux/uconversions.stp                      |  112 ++++++++++++++++++++
 tapsets.cxx                                        |   62 ++++++++---
 testsuite/buildok/conversions-embedded.stp         |    4 +
 testsuite/buildok/conversions.stp                  |    4 +
 testsuite/systemtap.base/utf_kernel.exp            |    6 +
 testsuite/systemtap.base/utf_kernel.stp            |   39 +++++++
 testsuite/systemtap.base/utf_pretty.cxx            |   22 ++++
 .../{cast-user.exp => utf_pretty.exp}              |   13 +--
 testsuite/systemtap.base/utf_pretty.stp            |    5 +
 testsuite/systemtap.base/utf_user.c                |   22 ++++
 .../systemtap.base/{cast-user.exp => utf_user.exp} |   12 +-
 testsuite/systemtap.base/utf_user.stp              |   15 +++
 16 files changed, 481 insertions(+), 44 deletions(-)
 create mode 100644 testsuite/systemtap.base/utf_kernel.exp
 create mode 100644 testsuite/systemtap.base/utf_kernel.stp
 create mode 100644 testsuite/systemtap.base/utf_pretty.cxx
 copy testsuite/systemtap.base/{cast-user.exp => utf_pretty.exp} (50%)
 create mode 100644 testsuite/systemtap.base/utf_pretty.stp
 create mode 100644 testsuite/systemtap.base/utf_user.c
 copy testsuite/systemtap.base/{cast-user.exp => utf_user.exp} (66%)
 create mode 100644 testsuite/systemtap.base/utf_user.stp


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