[Bug gdb/28556] New: sim: arm: crashing when generating core

[Bug gdb/28556] New: sim: arm: crashing when generating core

[fredrik.hederstierna@securitas-direct.com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28556

            Bug ID: 28556
           Summary: sim: arm: crashing when generating core
           Product: gdb
           Version: 11.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: fredrik.hederstierna@securitas-direct.com
  Target Milestone: ---

Created attachment 13764
  --> https://sourceware.org/bugzilla/attachment.cgi?id=13764&action=edit
gdb_arm_sim_corefile.patch

The ARM simulator crashes if trying to generate a core file.

The ARM simulator does not support all registers, and also crashes in case of
entering zero length when trying fetching registers.

This patch adds IDs for D0-D31, then let any calling ARM simulator
implementation handle the results.

This patch allow gcore to also work in ARM simulator.

I tested 'gcore' on target sim for ARM on this, and it worked well on my tests.

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[Bug sim/28556] sim: arm: crashing when generating core

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28556

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|gdb                         |sim
                 CC|                            |tromey at sourceware dot org,
                   |                            |vapier at gentoo dot org

--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
Moving to sim component.
FWIW patches should go to gdb-patches for review, it's not usually
done in bugzilla.

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[Bug sim/28556] sim: arm: crashing when generating core

[luis.machado at arm dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28556

Luis Machado <luis.machado at arm dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |luis.machado at arm dot com

--- Comment #2 from Luis Machado <luis.machado at arm dot com> ---
Hi Nick, are you still planning to address this?

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[Bug sim/28556] sim: arm: crashing when generating core

[luis.machado at arm dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28556

--- Comment #3 from Luis Machado <luis.machado at arm dot com> ---
Oops, sorry. I was updating a batch of Nick-assigned sim tickets.

I don't think there has been a lot of updates to arm's sim, so I wouldn't
expect it to be updated.

If you have a patch you'd like to post upstream, please send it go
gdb-patches@sourceware.org, as Tom pointed out.

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