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