[Bug threads/17600] New: "info thread $_thread" doesn't work

[Bug threads/17600] New: "info thread $_thread" doesn't work

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17600

            Bug ID: 17600
           Summary: "info thread $_thread" doesn't work
           Product: gdb
           Version: 7.7
            Status: NEW
          Severity: normal
          Priority: P2
         Component: threads
          Assignee: unassigned at sourceware dot org
          Reporter: tromey at sourceware dot org

I wanted to show "info threads" output for just the current
thread.  I tried:

(gdb) info thread $_thread
Convenience variable must have integer value.
Args must be numbers or '$' variables.

But:

(gdb) p $_thread
$1 = 48


It seems "info thread" is confused.

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[Bug threads/17600] "info thread $_thread" doesn't work

[ssbssa at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17600

Hannes Domani <ssbssa at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ssbssa at sourceware dot org

--- Comment #1 from Hannes Domani <ssbssa at sourceware dot org> ---
To get the value of convenience variables in this case, get_internalvar_integer
is used.
But this only works for types INTERNALVAR_INTEGER and INTERNALVAR_VALUE, and
not for INTERNALVAR_MAKE_VALUE (which $_thread is).

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[Bug threads/17600] "info thread $_thread" doesn't work

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17600

--- Comment #2 from Tom Tromey <tromey at sourceware dot org> ---
I ran into this again today and nearly re-filed it.

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[Bug threads/17600] "info thread $_thread" doesn't work

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17600

--- Comment #3 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Hannes Domani <ssbssa@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=52e0b52e6f2dc1dc5a7b95740d22fd616241db67

commit 52e0b52e6f2dc1dc5a7b95740d22fd616241db67
Author: Hannes Domani <ssbssa@yahoo.de>
Date:   Tue Dec 12 15:53:12 2023 +0100

    Support dynamically computed convenience variables in
get_internalvar_integer

    When using $_thread in info threads to showonly the current thread,
    you get this error:
    ```
    (gdb) info thread $_thread
    Convenience variable must have integer value.
    Args must be numbers or '$' variables.
    ```

    It's because $_thread is a dynamically computed convenience
    variable, which isn't supported yet by get_internalvar_integer.

    Now the output looks like this:
    ```
    (gdb) info threads $_thread
      Id   Target Id           Frame
    * 1    Thread 10640.0x2680 main () at
C:/src/repos/binutils-gdb.git/gdb/testsuite/gdb.base/gdbvars.c:21
    ```

    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=17600
    Approved-By: Tom Tromey <tom@tromey.com>

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[Bug threads/17600] "info thread $_thread" doesn't work

[ssbssa at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17600

Hannes Domani <ssbssa at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |15.1
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Hannes Domani <ssbssa at sourceware dot org> ---
Fixed.

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