[PATCH v2 1/4] sandbox: add handler for exceptions

[Simon Glass]

Hi Heinrich,

On Wed, 11 Nov 2020 at 16:30, 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 if CONFIG_SANDBOX_CRASH_RESET=y
> or exit to the OS otherwise.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> ---
> v2:
>         add a customizing switch
>         set SA_NODEFER flag for sigaction
> ---
>  arch/sandbox/Kconfig          |  9 ++++++++
>  arch/sandbox/cpu/os.c         | 40 +++++++++++++++++++++++++++++++++++
>  arch/sandbox/cpu/start.c      |  4 ++++
>  arch/sandbox/lib/interrupts.c | 35 ++++++++++++++++++++++++++++++
>  include/os.h                  | 17 +++++++++++++++
>  5 files changed, 105 insertions(+)

Reviewed-by: Simon Glass <sjg at chromium.org>

Do you think a command-line flag might be useful too/instead?