On Thu, Oct 15, 2015 at 06:50:50PM +0100, Szabolcs Nagy wrote:
> A powerpc toolchain built with (or without) --enable-secureplt
> currently creates a binary that uses bss plt if
>
> (1) any of the linked PIC objects have bss plt relocs
> (2) or all the linked objects are non-PIC or have no relocs,
>
> because this is the binutils linker behaviour.
>
> This patch passes --secure-plt to the linker which makes the linker
> warn in case (1) and produce a binary with secure plt in case (2).
The idea is OK I think, but
> @@ -574,6 +577,7 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
> %{R*} \
> %(link_shlib) \
> %{!T*: %(link_start) } \
> +%{!static: %(link_secure_plt_default)} \
> %(link_os)"
this change needs to be conditional on !mbss-plt too.
--
Alan Modra
Australia Development Lab, IBM
