1 # SPDX-License-Identifier: GPL-2.0 2 # 3 # Makefile for KernelMemorySanitizer (KMSAN). 4 # 5 # 6 obj-y := core.o instrumentation.o init.o hooks.o report.o shadow.o 7 8 KMSAN_SANITIZE := n 9 KCOV_INSTRUMENT := n 10 UBSAN_SANITIZE := n 11 12 # Disable instrumentation of KMSAN runtime with other tools. 13 CC_FLAGS_KMSAN_RUNTIME := -fno-stack-protector 14 CC_FLAGS_KMSAN_RUNTIME += $(call cc-option,-fno-conserve-stack) 15 CC_FLAGS_KMSAN_RUNTIME += -DDISABLE_BRANCH_PROFILING 16 17 # Disable ftrace to avoid recursion. 18 CFLAGS_REMOVE_core.o = $(CC_FLAGS_FTRACE) 19 CFLAGS_REMOVE_hooks.o = $(CC_FLAGS_FTRACE) 20 CFLAGS_REMOVE_init.o = $(CC_FLAGS_FTRACE) 21 CFLAGS_REMOVE_instrumentation.o = $(CC_FLAGS_FTRACE) 22 CFLAGS_REMOVE_report.o = $(CC_FLAGS_FTRACE) 23 CFLAGS_REMOVE_shadow.o = $(CC_FLAGS_FTRACE) 24 25 CFLAGS_core.o := $(CC_FLAGS_KMSAN_RUNTIME) 26 CFLAGS_hooks.o := $(CC_FLAGS_KMSAN_RUNTIME) 27 CFLAGS_init.o := $(CC_FLAGS_KMSAN_RUNTIME) 28 CFLAGS_instrumentation.o := $(CC_FLAGS_KMSAN_RUNTIME) 29 CFLAGS_report.o := $(CC_FLAGS_KMSAN_RUNTIME) 30 CFLAGS_shadow.o := $(CC_FLAGS_KMSAN_RUNTIME) 31 32 obj-$(CONFIG_KMSAN_KUNIT_TEST) += kmsan_test.o 33 KMSAN_SANITIZE_kmsan_test.o := y 34 CFLAGS_kmsan_test.o += $(call cc-disable-warning, uninitialized)
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