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# SPDX-License-Identifier: GPL-2.0
#
# Makefile for KernelMemorySanitizer (KMSAN).
#
#
obj-y := core.o instrumentation.o init.o hooks.o report.o shadow.o
KMSAN_SANITIZE := n
KCOV_INSTRUMENT := n
UBSAN_SANITIZE := n
# Disable instrumentation of KMSAN runtime with other tools.
CC_FLAGS_KMSAN_RUNTIME := -fno-stack-protector
CC_FLAGS_KMSAN_RUNTIME += $(call cc-option,-fno-conserve-stack)
CC_FLAGS_KMSAN_RUNTIME += -DDISABLE_BRANCH_PROFILING
# Disable ftrace to avoid recursion.
CFLAGS_REMOVE_core.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_hooks.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_init.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_instrumentation.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_report.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_shadow.o = $(CC_FLAGS_FTRACE)
CFLAGS_core.o := $(CC_FLAGS_KMSAN_RUNTIME)
CFLAGS_hooks.o := $(CC_FLAGS_KMSAN_RUNTIME)
CFLAGS_init.o := $(CC_FLAGS_KMSAN_RUNTIME)
CFLAGS_instrumentation.o := $(CC_FLAGS_KMSAN_RUNTIME)
CFLAGS_report.o := $(CC_FLAGS_KMSAN_RUNTIME)
CFLAGS_shadow.o := $(CC_FLAGS_KMSAN_RUNTIME)
obj-$(CONFIG_KMSAN_KUNIT_TEST) += kmsan_test.o
KMSAN_SANITIZE_kmsan_test.o := y
CFLAGS_kmsan_test.o += $(call cc-disable-warning, uninitialized)
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