[Bug translator/14396] New: Missing DW_ATE_UTF support (char16_t, char32_t)

["mjw at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=14396

             Bug #: 14396
           Summary: Missing DW_ATE_UTF support (char16_t, char32_t)
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap@sourceware.org
        ReportedBy: mjw@redhat.com
    Classification: Unclassified


elfutils dwarf.h was missing the new DWARF4 DW_ATE_UTF define.
So systemtap also doesn't support this this data encoding.

Example usage:

#include <string.h>

const char *foo = "cow";
const char16_t *bar = u"bear";

int
main ()
{
  if (foo == "bear" && bar == u"cow")
    return 42;

  return 0;
}

$ g++ -g -std=c++0x -o utf utf.cxx

$ stap -e 'probe process.function("main") { log($foo$$); log($bar$$) }' -c
./utf
"cow"
4195852

Would be nice to see the $bar value also decoded.

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