This implements basic -fstack-protector support, based on the early ARM
version in c743f38013. The SMP case is
limited to the initial canary value, while the UP case handles per-task
granularity (limited to 32-bit sh until a new enough sh64 compiler
manifests itself).
Signed-off-by: Filippo Arcidiacono <[email protected]>
Reviewed-by: Carmelo Amoroso <[email protected]>
Signed-off-by: Stuart Menefy <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
