scripts/Makefile.ubsan

   1 # SPDX-License-Identifier: GPL-2.0
   2
   3 # Enable available and selected UBSAN features.
   4 ubsan-cflags-$(CONFIG_UBSAN_ALIGNMENT)          += -fsanitize=alignment
   5 ubsan-cflags-$(CONFIG_UBSAN_BOUNDS_STRICT)      += -fsanitize=bounds-strict
   6 ubsan-cflags-$(CONFIG_UBSAN_ARRAY_BOUNDS)       += -fsanitize=array-bounds
   7 ubsan-cflags-$(CONFIG_UBSAN_LOCAL_BOUNDS)       += -fsanitize=local-bounds
   8 ubsan-cflags-$(CONFIG_UBSAN_SHIFT)              += -fsanitize=shift
   9 ubsan-cflags-$(CONFIG_UBSAN_DIV_ZERO)           += -fsanitize=integer-divide-by-zero
  10 ubsan-cflags-$(CONFIG_UBSAN_UNREACHABLE)        += -fsanitize=unreachable
  11 ubsan-cflags-$(CONFIG_UBSAN_BOOL)               += -fsanitize=bool
  12 ubsan-cflags-$(CONFIG_UBSAN_ENUM)               += -fsanitize=enum
  13 ubsan-cflags-$(CONFIG_UBSAN_TRAP)               += $(call cc-option,-fsanitize-trap=undefined,-fsanitize-undefined-trap-on-error)
  14
  15 export CFLAGS_UBSAN := $(ubsan-cflags-y)
  16
  17 ubsan-signed-wrap-cflags-$(CONFIG_UBSAN_SIGNED_WRAP)     += -fsanitize=signed-integer-overflow
  18 export CFLAGS_UBSAN_SIGNED_WRAP := $(ubsan-signed-wrap-cflags-y)