mm/kmsan/Makefile

   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)