]>
Commit | Line | Data |
---|---|---|
1 | ifdef CONFIG_KASAN | |
2 | ifdef CONFIG_KASAN_INLINE | |
3 | call_threshold := 10000 | |
4 | else | |
5 | call_threshold := 0 | |
6 | endif | |
7 | ||
8 | KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET) | |
9 | ||
10 | CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address | |
11 | ||
12 | CFLAGS_KASAN := $(call cc-option, -fsanitize=kernel-address \ | |
13 | -fasan-shadow-offset=$(KASAN_SHADOW_OFFSET) \ | |
14 | --param asan-stack=1 --param asan-globals=1 \ | |
15 | --param asan-instrumentation-with-call-threshold=$(call_threshold)) | |
16 | ||
17 | ifeq ($(call cc-option, $(CFLAGS_KASAN_MINIMAL) -Werror),) | |
18 | ifneq ($(CONFIG_COMPILE_TEST),y) | |
19 | $(warning Cannot use CONFIG_KASAN: \ | |
20 | -fsanitize=kernel-address is not supported by compiler) | |
21 | endif | |
22 | else | |
23 | ifeq ($(CFLAGS_KASAN),) | |
24 | ifneq ($(CONFIG_COMPILE_TEST),y) | |
25 | $(warning CONFIG_KASAN: compiler does not support all options.\ | |
26 | Trying minimal configuration) | |
27 | endif | |
28 | CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL) | |
29 | endif | |
30 | endif | |
31 | endif |