Merge remote-tracking branches 'spi/topic/fsl-cspi', 'spi/topic/fsl-dspi', 'spi/topic...
[pandora-kernel.git] / scripts / Makefile.kasan
1 ifdef CONFIG_KASAN
2 ifdef CONFIG_KASAN_INLINE
3         call_threshold := 10000
4 else
5         call_threshold := 0
6 endif
7
8 CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address
9
10 CFLAGS_KASAN := $(call cc-option, -fsanitize=kernel-address \
11                 -fasan-shadow-offset=$(CONFIG_KASAN_SHADOW_OFFSET) \
12                 --param asan-stack=1 --param asan-globals=1 \
13                 --param asan-instrumentation-with-call-threshold=$(call_threshold))
14
15 ifeq ($(call cc-option, $(CFLAGS_KASAN_MINIMAL) -Werror),)
16         $(warning Cannot use CONFIG_KASAN: \
17             -fsanitize=kernel-address is not supported by compiler)
18 else
19     ifeq ($(CFLAGS_KASAN),)
20         $(warning CONFIG_KASAN: compiler does not support all options.\
21             Trying minimal configuration)
22         CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL)
23     endif
24 endif
25 endif