diff options
Diffstat (limited to 'scripts/Makefile.ubsan')
-rw-r--r-- | scripts/Makefile.ubsan | 49 |
1 files changed, 15 insertions, 34 deletions
diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan index 9716dab06bc7..0e53a93e8f15 100644 --- a/scripts/Makefile.ubsan +++ b/scripts/Makefile.ubsan @@ -1,37 +1,18 @@ # SPDX-License-Identifier: GPL-2.0 -export CFLAGS_UBSAN := +# Enable available and selected UBSAN features. +ubsan-cflags-$(CONFIG_UBSAN_ALIGNMENT) += -fsanitize=alignment +ubsan-cflags-$(CONFIG_UBSAN_ONLY_BOUNDS) += -fsanitize=bounds +ubsan-cflags-$(CONFIG_UBSAN_ARRAY_BOUNDS) += -fsanitize=array-bounds +ubsan-cflags-$(CONFIG_UBSAN_LOCAL_BOUNDS) += -fsanitize=local-bounds +ubsan-cflags-$(CONFIG_UBSAN_SHIFT) += -fsanitize=shift +ubsan-cflags-$(CONFIG_UBSAN_DIV_ZERO) += -fsanitize=integer-divide-by-zero +ubsan-cflags-$(CONFIG_UBSAN_UNREACHABLE) += -fsanitize=unreachable +ubsan-cflags-$(CONFIG_UBSAN_SIGNED_OVERFLOW) += -fsanitize=signed-integer-overflow +ubsan-cflags-$(CONFIG_UBSAN_UNSIGNED_OVERFLOW) += -fsanitize=unsigned-integer-overflow +ubsan-cflags-$(CONFIG_UBSAN_OBJECT_SIZE) += -fsanitize=object-size +ubsan-cflags-$(CONFIG_UBSAN_BOOL) += -fsanitize=bool +ubsan-cflags-$(CONFIG_UBSAN_ENUM) += -fsanitize=enum +ubsan-cflags-$(CONFIG_UBSAN_TRAP) += -fsanitize-undefined-trap-on-error -ifdef CONFIG_UBSAN_ALIGNMENT - CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment) -endif - -ifdef CONFIG_UBSAN_BOUNDS - ifdef CONFIG_CC_IS_CLANG - CFLAGS_UBSAN += -fsanitize=array-bounds - else - CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds) - endif -endif - -ifdef CONFIG_UBSAN_LOCAL_BOUNDS - CFLAGS_UBSAN += -fsanitize=local-bounds -endif - -ifdef CONFIG_UBSAN_MISC - CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift) - CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero) - CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable) - CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow) - CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size) - CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool) - CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum) -endif - -ifdef CONFIG_UBSAN_TRAP - CFLAGS_UBSAN += $(call cc-option, -fsanitize-undefined-trap-on-error) -endif - - # -fsanitize=* options makes GCC less smart than usual and - # increase number of 'maybe-uninitialized false-positives - CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized) +export CFLAGS_UBSAN := $(ubsan-cflags-y) |