[PATCH 1/3] sandbox: add handler for exceptions

[Simon Glass]

Hi Heinrich,

On Tue, 10 Nov 2020 at 16:09, Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
>
> Add a handler for SIGILL, SIGBUS, SIGSEGV.
>
> When an exception occurs print the program counter and the loaded
> UEFI binaries and reset the system.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> ---
>  arch/sandbox/cpu/os.c         | 31 +++++++++++++++++++++++++++++++
>  arch/sandbox/cpu/start.c      |  4 ++++
>  arch/sandbox/lib/interrupts.c | 30 ++++++++++++++++++++++++++++++
>  include/os.h                  | 17 +++++++++++++++++
>  4 files changed, 82 insertions(+)

Generally we want to stop execution, because it indicates a bug. Then
we might want to run it again with gdb to debug it.

So I think this feature should be enabled by a flag.

Regards,
Simon