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Commit | Line | Data |
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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
c6d30853 | 2 | ifdef CONFIG_UBSAN |
0887a7eb KC |
3 | |
4 | ifdef CONFIG_UBSAN_ALIGNMENT | |
5 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment) | |
6 | endif | |
7 | ||
277a1085 KC |
8 | ifdef CONFIG_UBSAN_BOUNDS |
9 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds) | |
10 | endif | |
11 | ||
12 | ifdef CONFIG_UBSAN_MISC | |
c6d30853 AR |
13 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift) |
14 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero) | |
15 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable) | |
c6d30853 | 16 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow) |
c6d30853 | 17 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size) |
c6d30853 AR |
18 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool) |
19 | CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum) | |
277a1085 | 20 | endif |
c6d30853 | 21 | |
0887a7eb KC |
22 | ifdef CONFIG_UBSAN_TRAP |
23 | CFLAGS_UBSAN += $(call cc-option, -fsanitize-undefined-trap-on-error) | |
c6d30853 | 24 | endif |
725c4d22 | 25 | |
a76bcf55 AB |
26 | # -fsanitize=* options makes GCC less smart than usual and |
27 | # increase number of 'maybe-uninitialized false-positives | |
28 | CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized) | |
c6d30853 | 29 | endif |