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authorNicolas Pitre <nico@fluxnic.net>2010-05-24 23:55:42 -0400
committerNicolas Pitre <nico@fluxnic.net>2010-06-14 21:31:00 -0400
commitc743f38013aeff58ef6252601e397b5ba281c633 (patch)
treeb364e1690aff8a0dd97a83d4cb17bcadcdb5bd19 /arch/arm/Makefile
parentcc92c28b2db5b406657ecc05235d4ca4e222ae34 (diff)
downloadop-kernel-dev-c743f38013aeff58ef6252601e397b5ba281c633.zip
op-kernel-dev-c743f38013aeff58ef6252601e397b5ba281c633.tar.gz
ARM: initial stack protector (-fstack-protector) support
This is the very basic stuff without the changing canary upon task switch yet. Just the Kconfig option and a constant canary value initialized at boot time. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Diffstat (limited to 'arch/arm/Makefile')
-rw-r--r--arch/arm/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 64ba313..ddf6da1 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -34,6 +34,10 @@ ifeq ($(CONFIG_FRAME_POINTER),y)
KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
endif
+ifeq ($(CONFIG_CC_STACKPROTECTOR),y)
+KBUILD_CFLAGS +=-fstack-protector
+endif
+
ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
KBUILD_CPPFLAGS += -mbig-endian
AS += -EB
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