[Buildroot] [PATCH] gcc: powerpc32 transition to secureplt

[Thomas Petazzoni]

On Wed, 23 Sep 2020 10:29:08 -0500
Matt Weber <matthew.weber at rockwellcollins.com> wrote:

> PowerPC has two PLT models: BSS-PLT and Secure-PLT. BSS-PLT uses
> runtime code generation to generate the PLT stubs. Secure-PLT was
> introduced with GCC 4.1 and Binutils 2.17 (base has GCC 4.2.1 and
> Binutils 2.17), and is a more secure PLT format, using a read-only
> linkage table, with the dynamic linker populating a non-executable
> index table.
> 
> Ref to other distro/BSD transitions
> https://patchwork.openembedded.org/patch/106621/
> https://reviews.freebsd.org/D20598
> 
> Fixes a bug observed when creating SELinux policy where all apps
> require execmem because the heap requires execute before this
> change.
> 
> Signed-off-by: Matthew Weber <matthew.weber at rockwellcollins.com>
> ---
>  package/gcc/gcc.mk | 7 +++++++
>  1 file changed, 7 insertions(+)

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com