Re: [PATCH] selftests/nolibc: make stackprotector probing more robust

[Willy Tarreau]

Hi Thomas,

On Mon, Jun 09, 2025 at 09:39:16AM +0200, Thomas Weißschuh wrote:
> nolibc only supports symbol-based stackprotectors, based on the global
> variable __stack_chk_guard. Support for this differs between
> architectures and toolchains. Some use the symbol mode by default, some
> require a flag to enable it and some don't support it at all.
> 
> Before the nolibc test Makefile required the availability of
> "-mstack-protector-guard=global" to enable stackprotectors.
> While this flag makes sure that the correct mode is available it doesn't
> work where the correct mode is the only supported one and therefore the
> flag is not implemented.
> 
> Switch to a more dynamic probing mechanism.
> This correctly enables stack protectors for mips, loongarch and m68k.
> 
> Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>

Acked-by: Willy Tarreau <w@xxxxxx>

Thanks,
Willy