26 lines
779 B
Makefile
26 lines
779 B
Makefile
ifdef CONFIG_KASAN
|
|
ifdef CONFIG_KASAN_INLINE
|
|
call_threshold := 10000
|
|
else
|
|
call_threshold := 0
|
|
endif
|
|
|
|
CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address
|
|
|
|
CFLAGS_KASAN := $(call cc-option, -fsanitize=kernel-address \
|
|
-fasan-shadow-offset=$(CONFIG_KASAN_SHADOW_OFFSET) \
|
|
--param asan-stack=1 --param asan-globals=1 \
|
|
--param asan-instrumentation-with-call-threshold=$(call_threshold))
|
|
|
|
ifeq ($(call cc-option, $(CFLAGS_KASAN_MINIMAL) -Werror),)
|
|
$(warning Cannot use CONFIG_KASAN: \
|
|
-fsanitize=kernel-address is not supported by compiler)
|
|
else
|
|
ifeq ($(CFLAGS_KASAN),)
|
|
$(warning CONFIG_KASAN: compiler does not support all options.\
|
|
Trying minimal configuration)
|
|
CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL)
|
|
endif
|
|
endif
|
|
endif
|