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-rw-r--r--scripts/Makefile.ubsan45
1 files changed, 15 insertions, 30 deletions
diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan
index c18fecc53605..0e53a93e8f15 100644
--- a/scripts/Makefile.ubsan
+++ b/scripts/Makefile.ubsan
@@ -1,33 +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
+export CFLAGS_UBSAN := $(ubsan-cflags-y)