diff options
Diffstat (limited to 'scripts/Makefile.ubsan')
-rw-r--r-- | scripts/Makefile.ubsan | 40 |
1 files changed, 13 insertions, 27 deletions
diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan index 5b15bc425ec9..4749865c1b2c 100644 --- a/scripts/Makefile.ubsan +++ b/scripts/Makefile.ubsan @@ -1,29 +1,15 @@ # SPDX-License-Identifier: GPL-2.0 -ifdef CONFIG_UBSAN -ifdef CONFIG_UBSAN_ALIGNMENT - CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment) -endif - -ifdef CONFIG_UBSAN_BOUNDS - CFLAGS_UBSAN += $(call cc-option, -fsanitize=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 += $(call cc-option, -Wno-maybe-uninitialized) -endif +# Enable available and selected UBSAN features. +ubsan-cflags-$(CONFIG_UBSAN_ALIGNMENT) += -fsanitize=alignment +ubsan-cflags-$(CONFIG_UBSAN_BOUNDS_STRICT) += -fsanitize=bounds-strict +ubsan-cflags-$(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-$(CONFIG_UBSAN_BOOL) += -fsanitize=bool +ubsan-cflags-$(CONFIG_UBSAN_ENUM) += -fsanitize=enum +ubsan-cflags-$(CONFIG_UBSAN_TRAP) += -fsanitize-undefined-trap-on-error + +export CFLAGS_UBSAN := $(ubsan-cflags-y) |