| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | ifdef CONFIG_UBSAN |
| 3 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift) |
| 4 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero) |
| 5 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable) |
| 6 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=vla-bound) |
| 7 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow) |
| 8 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds) |
| 9 | # CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size) |
| 10 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool) |
| 11 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum) |
| 12 | |
| 13 | ifdef CONFIG_UBSAN_ALIGNMENT |
| 14 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment) |
| 15 | endif |
| 16 | |
| 17 | # -fsanitize=* options makes GCC less smart than usual and |
| 18 | # increase number of 'maybe-uninitialized false-positives |
| 19 | CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized) |
| 20 | endif |