[Bug tui/13073] New: TUI doesn't display registers in layout reg

[Bug tui/13073] New: TUI doesn't display registers in layout reg

[wmealing at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

             Bug #: 13073
           Summary: TUI doesn't display registers in layout reg
           Product: gdb
           Version: unknown
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tui
        AssignedTo: unassigned@sourceware.org
        ReportedBy: wmealing@gmail.com
    Classification: Unclassified


Created attachment 5891
  --> http://sourceware.org/bugzilla/attachment.cgi?id=5891
Rubbish code i was messing with.

As the subject says, it doesn't look like the registers are showing on this
system.

Dual core system:

cpu family      : 6
model           : 15
model name      : Intel(R) Core(TM)2 Duo CPU     T7500  @ 2.20GHz
stepping        : 11

Compiled with:

# gcc -O0 -S -g -m32 -nostdlib binsearch.s -o binsearch

# gdb binsearch
GNU gdb (GDB) Fedora (7.3-41.fc15)
<snip>

(gdb) layout regs
(gdb) break 1
Breakpoint 1 at    0x4000b0: file binsearch.s, line 1.
(gdb) run
Starting program: /home/wmealing/Documents/workspace/asm/binsearch 
Register 57 is not available
Register 57 is not available
(gdb) i r

rax               0x0    0
rbx               0x0    0
rcx               0x0    0
rdx               0x0    0
rsi               0x0    0
rdi               0x0    0
rbp               0x0    0x0
rsp               0x7fffffffe1a0    0x7fffffffe1a0
r8                0x0    0
r9                0x0    0
r10               0x0    0
r11               0x200    512
r12               0x0    0
r13               0x0    0

etc.. etc


Interestingly it also gives 

"Warning: the current language does not match this frame"

I expected registers to appear as i step through the assembly code.

gdb-7.3-41.fc15.x86_64
glibc-common-2.14-4.x86_64
glibc-2.14-4.i686
glibc-2.14-4.x86_64

I'm going to attach the simple , unfinished code that i was playing around in.

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[Bug tui/13073] TUI doesn't display registers in layout reg

[pedro at codesourcery dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

Pedro Alves <pedro at codesourcery dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at sourceware    |pedro at codesourcery dot
                   |dot org                     |com

--- Comment #1 from Pedro Alves <pedro at codesourcery dot com> 2011-08-10 16:28:05 UTC ---
Created attachment 5893
  --> http://sourceware.org/bugzilla/attachment.cgi?id=5893
fix

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[Bug tui/13073] TUI doesn't display registers in layout reg

[pedro at codesourcery dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

Pedro Alves <pedro at codesourcery dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |WAITING

--- Comment #2 from Pedro Alves <pedro at codesourcery dot com> 2011-08-10 16:28:45 UTC ---
Please try the patch I just attached and let me know how it goes.

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[Bug tui/13073] TUI doesn't display registers in layout reg

[pedro at codesourcery dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

Pedro Alves <pedro at codesourcery dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #5893|0                           |1
        is obsolete|                            |

--- Comment #3 from Pedro Alves <pedro at codesourcery dot com> 2011-08-10 18:29:55 UTC ---
Created attachment 5894
  --> http://sourceware.org/bugzilla/attachment.cgi?id=5894
fix-2

That wasn't enough.  There were other places with the same problem.
Here's a hopefully complete fix.

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[Bug tui/13073] TUI doesn't display registers in layout reg

[wmealing at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

--- Comment #4 from wmealing at gmail dot com 2011-08-11 16:44:34 UTC ---
I can confirm that this fixes the problem mentioned.

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[Bug tui/13073] TUI doesn't display registers in layout reg

[cvs-commit at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2011-08-12 17:04:36 UTC ---
CVSROOT:    /cvs/src
Module name:    src
Changes by:    palves@sourceware.org    2011-08-12 17:04:32

Modified files:
    gdb            : ChangeLog 
    gdb/tui        : tui-regs.c 

Log message:
    2011-08-12  Pedro Alves  <pedro@codesourcery.com>

    PR tui/13073

    gdb/
    * tui/tui-regs.c (tui_show_register_group): Skip registers with an
    empty name.
    (tui_show_register_group): Don't store a byte buffer in the data
    element's value.
    (tui_register_format): Skip registers with an empty name.
    (tui_get_register): Store a struct value in the data element's
    value field instead of a byte buffer holding the raw register
    contents.  Account for optimized-out and unavailable registers
    when comparing register contents.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.13264&r2=1.13265
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/tui/tui-regs.c.diff?cvsroot=src&r1=1.44&r2=1.45

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[Bug tui/13073] TUI doesn't display registers in layout reg

[cvs-commit at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2011-08-12 17:06:29 UTC ---
CVSROOT:    /cvs/src
Module name:    src
Branch:     gdb_7_3-branch
Changes by:    palves@sourceware.org    2011-08-12 17:06:26

Modified files:
    gdb            : ChangeLog 
    gdb/tui        : tui-regs.c 

Log message:
    2011-08-12  Pedro Alves  <pedro@codesourcery.com>

    PR tui/13073

    * tui/tui-regs.c (tui_show_register_group): Skip registers with an
    empty name.
    (tui_show_register_group): Don't store a byte buffer in the data
    element's value.
    (tui_register_format): Skip registers with an empty name.
    (tui_get_register): Store a struct value in the data element's
    value field instead of a byte buffer holding the raw register
    contents.  Account for optimized-out and unavailable registers
    when comparing register contents.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&only_with_tag=gdb_7_3-branch&r1=1.12887.2.66&r2=1.12887.2.67
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/tui/tui-regs.c.diff?cvsroot=src&only_with_tag=gdb_7_3-branch&r1=1.44&r2=1.44.2.1

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[Bug tui/13073] TUI doesn't display registers in layout reg

[pedro at codesourcery dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

Pedro Alves <pedro at codesourcery dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|                            |FIXED

--- Comment #7 from Pedro Alves <pedro at codesourcery dot com> 2011-08-12 17:18:48 UTC ---
Thanks.  Fix applied on mainline and on the 7.3 branch.

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[Bug tui/13073] TUI doesn't display registers in layout reg

[pedro at codesourcery dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

Pedro Alves <pedro at codesourcery dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|unknown                     |7.3
   Target Milestone|---                         |7.4

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[Bug tui/13073] TUI doesn't display registers in layout reg

[tristanmoody at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13073

Tristan Moody <tristanmoody at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tristanmoody at gmail dot
                   |                            |com

--- Comment #8 from Tristan Moody <tristanmoody at gmail dot com> 2011-10-26 20:21:41 UTC ---
*** Bug 13340 has been marked as a duplicate of this bug. ***

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[Bug tui/13073] TUI doesn't display registers in layout reg

[jackie.rosen at hushmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=13073

Jackie Rosen <jackie.rosen at hushmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jackie.rosen at hushmail dot com

--- Comment #9 from Jackie Rosen <jackie.rosen at hushmail dot com> ---
*** Bug 260998 has been marked as a duplicate of this bug. ***
Seen from the domain http://volichat.com
Page where seen: http://volichat.com/adult-chat-rooms
Marked for reference. Resolved as fixed @bugzilla.

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[Bug tui/13073] TUI doesn't display registers in layout reg

[schwab at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=13073

Andreas Schwab <schwab at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|jackie.rosen at hushmail dot com   |

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