scripts/Makefile.ubsan

   1 # SPDX-License-Identifier: GPL-2.0
   2 ifdef CONFIG_UBSAN_ALIGNMENT
   3       CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment)
   4 endif
   5
   6 ifdef CONFIG_UBSAN_BOUNDS
   7       CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds)
   8 endif
   9
  10 ifdef CONFIG_UBSAN_MISC
  11       CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift)
  12       CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero)
  13       CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable)
  14       CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow)
  15       CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size)
  16       CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool)
  17       CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum)
  18 endif
  19
  20 ifdef CONFIG_UBSAN_TRAP
  21       CFLAGS_UBSAN += $(call cc-option, -fsanitize-undefined-trap-on-error)
  22 endif
  23
  24       # -fsanitize=* options makes GCC less smart than usual and
  25       # increase number of 'maybe-uninitialized false-positives
  26       CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized)