# SPDX-License-Identifier: GPL-2.0

  
  export CFLAGS_UBSAN :=

  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)