[Bug translator/13429] New: sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[Bug translator/13429] New: sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[fche at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13429

             Bug #: 13429
           Summary: sdt-v3 x86-64, Can't parse SDT_V3 operand
                    '%fs:40(%rbx)
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap@sourceware.org
        ReportedBy: fche@redhat.com
    Classification: Unclassified


It looks like we need some x86 segmentation-based addressing too.

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[Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[tromey at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13429

Tom Tromey <tromey at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tromey at redhat dot com

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[Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[sergiodj at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13429

Sergio Durigan Junior <sergiodj at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sergiodj at redhat dot com

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[Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[cmeek at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13429

--- Comment #1 from Chris Meek <cmeek at redhat dot com> 2011-11-22 18:50:53 UTC ---
Created attachment 6071
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6071
libgomp.so containing the SDT_V3 errors

I've attached the libgomp.so I hand-built, that has the SDT_V3 errors in it.

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[Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[cmeek at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13429

Chris Meek <cmeek at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #6071|0                           |1
        is obsolete|                            |

--- Comment #2 from Chris Meek <cmeek at redhat dot com> 2011-11-22 21:37:15 UTC ---
Created attachment 6072
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6072
libgomp.so containing the SDT_V3 errors

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[Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[cmeek at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13429

--- Comment #3 from Chris Meek <cmeek at redhat dot com> 2011-11-22 21:44:57 UTC ---
Created attachment 6073
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6073
i686 libgomp.so containing the SDT_V3 errors

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[Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[scox at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13429

Stan Cox <scox at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |scox at redhat dot com

--- Comment #4 from Stan Cox <scox at redhat dot com> 2011-12-13 20:31:37 UTC ---
In an internal context, %fs:0 contains the linear base address of the tls
segment.  In an external context, the base address is available via ptrace:

    i386: PTRACE_GET_THREAD_AREA
  x86_64: PTRACE_ARCH_PRCTL

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[Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=13429

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fweimer at redhat dot com

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[Bug translator/13429] sdt-v3 x86-64, Can't parse SDT_V3 operand '%fs:40(%rbx)

[fche at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=13429

--- Comment #5 from Frank Ch. Eigler <fche at redhat dot com> ---
For the dwarf register numbers, figure 3.36 in:
https://refspecs.linuxbase.org/elf/x86_64-abi-0.99.pdf

Segment Register ES 50 %es
Segment Register CS 51 %cs
Segment Register SS 52 %ss
Segment Register DS 53 %ds
Segment Register FS 54 %fs
Segment Register GS 55 %gs

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