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38 lines
1.2 KiB
38 lines
1.2 KiB
7 months ago
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# SPDX-License-Identifier: GPL-2.0
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export CFLAGS_UBSAN :=
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ifdef CONFIG_UBSAN_ALIGNMENT
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment)
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endif
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ifdef CONFIG_UBSAN_BOUNDS
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ifdef CONFIG_CC_IS_CLANG
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CFLAGS_UBSAN += -fsanitize=array-bounds
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else
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds)
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endif
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endif
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ifdef CONFIG_UBSAN_LOCAL_BOUNDS
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CFLAGS_UBSAN += -fsanitize=local-bounds
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endif
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ifdef CONFIG_UBSAN_MISC
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum)
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endif
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ifdef CONFIG_UBSAN_TRAP
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CFLAGS_UBSAN += $(call cc-option, -fsanitize-undefined-trap-on-error)
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endif
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# -fsanitize=* options makes GCC less smart than usual and
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# increase number of 'maybe-uninitialized false-positives
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CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized)
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