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Direktori : /proc/self/root/lib/modules/5.15.0-43-generic/build/scripts/ |
Current File : //proc/self/root/lib/modules/5.15.0-43-generic/build/scripts/Makefile.kasan |
# SPDX-License-Identifier: GPL-2.0 CFLAGS_KASAN_NOSANITIZE := -fno-builtin KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET) cc-param = $(call cc-option, -mllvm -$(1), $(call cc-option, --param $(1))) ifdef CONFIG_KASAN_STACK stack_enable := 1 else stack_enable := 0 endif ifdef CONFIG_KASAN_GENERIC ifdef CONFIG_KASAN_INLINE call_threshold := 10000 else call_threshold := 0 endif CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address # -fasan-shadow-offset fails without -fsanitize CFLAGS_KASAN_SHADOW := $(call cc-option, -fsanitize=kernel-address \ -fasan-shadow-offset=$(KASAN_SHADOW_OFFSET), \ $(call cc-option, -fsanitize=kernel-address \ -mllvm -asan-mapping-offset=$(KASAN_SHADOW_OFFSET))) ifeq ($(strip $(CFLAGS_KASAN_SHADOW)),) CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL) else # Now add all the compiler specific options that are valid standalone CFLAGS_KASAN := $(CFLAGS_KASAN_SHADOW) \ $(call cc-param,asan-globals=1) \ $(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \ $(call cc-param,asan-instrument-allocas=1) endif CFLAGS_KASAN += $(call cc-param,asan-stack=$(stack_enable)) endif # CONFIG_KASAN_GENERIC ifdef CONFIG_KASAN_SW_TAGS ifdef CONFIG_KASAN_INLINE instrumentation_flags := $(call cc-param,hwasan-mapping-offset=$(KASAN_SHADOW_OFFSET)) else instrumentation_flags := $(call cc-param,hwasan-instrument-with-calls=1) endif CFLAGS_KASAN := -fsanitize=kernel-hwaddress \ $(call cc-param,hwasan-instrument-stack=$(stack_enable)) \ $(call cc-param,hwasan-use-short-granules=0) \ $(call cc-param,hwasan-inline-all-checks=0) \ $(instrumentation_flags) endif # CONFIG_KASAN_SW_TAGS export CFLAGS_KASAN CFLAGS_KASAN_NOSANITIZE