Re: [PATCH v3] gdb: align siginfo_t with the Linux kernel definition

[Matthieu Longo <matthieu.longo@arm.com>]

On 02/07/2026 17:52, Matthieu Longo wrote:
> GDB's current definition of siginfo_t is missing many fields present in
> the Linux kernel definition [1].
> 
> These fields are useful for providing detailed, user-friendly diagnostics
> when a fault occurs. Some new AArch64 extensions, such as Permission
> Overlay Enhancement used to implement Protection Keys [2], require the
> debugger to inspect 'si_pkey' alongside 'si_addr' to help the user identify
> the problematic key.
> 
> This patch aligns GDB's definition of the __sifields._sigfault member of
> siginfo_t with the definition from the Linux kernel master branch.
> 
> [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/
>      tree/include/uapi/asm-generic/siginfo.h#n69
> [2]: https://lore.kernel.org/all/20160212210213.ABC488FA@viggo.jf.intel.com/
> 
> Reviewed-by: Thiago Jung Bauermann <thiago.bauermann@linaro.org>
> ---
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