14affa5fc1
clang and gcc have slightly different syntax for asan parameters. Change-Id: Ic06f85d3b82010cfdd8138e459337134e9ae48ba Signed-off-by: Greg Hackmann <ghackmann@google.com>
40 lines
1.2 KiB
Makefile
40 lines
1.2 KiB
Makefile
ifdef CONFIG_KASAN
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ifdef CONFIG_KASAN_INLINE
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call_threshold := 10000
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else
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call_threshold := 0
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endif
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KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET)
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CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address
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ifeq ($(cc-name),clang)
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CFLAGS_KASAN := $(call cc-option, -fsanitize=kernel-address \
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-mllvm \
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-asan-mapping-offset=$(KASAN_SHADOW_OFFSET) \
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-asan-stack=1 -asan-globals=1 \
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-asan-instrumentation-with-call-threshold=$(call_threshold))
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else
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CFLAGS_KASAN := $(call cc-option, -fsanitize=kernel-address \
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-fasan-shadow-offset=$(KASAN_SHADOW_OFFSET) \
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--param asan-stack=1 --param asan-globals=1 \
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--param asan-instrumentation-with-call-threshold=$(call_threshold))
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endif
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ifeq ($(call cc-option, $(CFLAGS_KASAN_MINIMAL) -Werror),)
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ifneq ($(CONFIG_COMPILE_TEST),y)
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$(warning Cannot use CONFIG_KASAN: \
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-fsanitize=kernel-address is not supported by compiler)
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endif
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else
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ifeq ($(CFLAGS_KASAN),)
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ifneq ($(CONFIG_COMPILE_TEST),y)
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$(warning CONFIG_KASAN: compiler does not support all options.\
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Trying minimal configuration)
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endif
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CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL)
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endif
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endif
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endif
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