2017-11-01 15:07:57 +01:00
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# SPDX-License-Identifier: GPL-2.0
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2020-09-10 22:44:29 +09:00
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2020-12-15 20:46:24 -08:00
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# Enable available and selected UBSAN features.
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ubsan-cflags-$(CONFIG_UBSAN_ALIGNMENT) += -fsanitize=alignment
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2023-04-04 19:23:59 -07:00
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ubsan-cflags-$(CONFIG_UBSAN_BOUNDS_STRICT) += -fsanitize=bounds-strict
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2020-12-15 20:46:24 -08:00
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ubsan-cflags-$(CONFIG_UBSAN_ARRAY_BOUNDS) += -fsanitize=array-bounds
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ubsan-cflags-$(CONFIG_UBSAN_LOCAL_BOUNDS) += -fsanitize=local-bounds
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ubsan-cflags-$(CONFIG_UBSAN_SHIFT) += -fsanitize=shift
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ubsan-cflags-$(CONFIG_UBSAN_DIV_ZERO) += -fsanitize=integer-divide-by-zero
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ubsan-cflags-$(CONFIG_UBSAN_UNREACHABLE) += -fsanitize=unreachable
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ubsan-cflags-$(CONFIG_UBSAN_BOOL) += -fsanitize=bool
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ubsan-cflags-$(CONFIG_UBSAN_ENUM) += -fsanitize=enum
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2024-01-23 16:32:54 -08:00
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ubsan-cflags-$(CONFIG_UBSAN_TRAP) += $(call cc-option,-fsanitize-trap=undefined,-fsanitize-undefined-trap-on-error)
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2020-09-10 22:44:29 +09:00
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2020-12-15 20:46:24 -08:00
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export CFLAGS_UBSAN := $(ubsan-cflags-y)
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2024-01-18 15:06:05 -08:00
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ubsan-signed-wrap-cflags-$(CONFIG_UBSAN_SIGNED_WRAP) += -fsanitize=signed-integer-overflow
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export CFLAGS_UBSAN_SIGNED_WRAP := $(ubsan-signed-wrap-cflags-y)
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