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- # SPDX-License-Identifier: GPL-2.0
- KASAN_SANITIZE := n
- UBSAN_SANITIZE := n
- KCOV_INSTRUMENT := n
- # Disable ftrace to avoid recursion.
- CFLAGS_REMOVE_common.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_generic.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_init.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_quarantine.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_report.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_report_generic.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_report_hw_tags.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_report_sw_tags.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_shadow.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_hw_tags.o = $(CC_FLAGS_FTRACE)
- CFLAGS_REMOVE_sw_tags.o = $(CC_FLAGS_FTRACE)
- # Function splitter causes unnecessary splits in __asan_load1/__asan_store1
- # see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63533
- CC_FLAGS_KASAN_RUNTIME := $(call cc-option, -fno-conserve-stack)
- CC_FLAGS_KASAN_RUNTIME += -fno-stack-protector
- # Disable branch tracing to avoid recursion.
- CC_FLAGS_KASAN_RUNTIME += -DDISABLE_BRANCH_PROFILING
- CFLAGS_common.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_generic.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_init.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_quarantine.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_report.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_report_generic.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_report_hw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_report_sw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_shadow.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_hw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_sw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
- CFLAGS_KASAN_TEST := $(CFLAGS_KASAN) $(call cc-disable-warning, vla)
- ifndef CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX
- # If compiler instruments memintrinsics by prefixing them with __asan/__hwasan,
- # we need to treat them normally (as builtins), otherwise the compiler won't
- # recognize them as instrumentable. If it doesn't instrument them, we need to
- # pass -fno-builtin, so the compiler doesn't inline them.
- CFLAGS_KASAN_TEST += -fno-builtin
- endif
- CFLAGS_kasan_test_c.o := $(CFLAGS_KASAN_TEST)
- RUSTFLAGS_kasan_test_rust.o := $(RUSTFLAGS_KASAN)
- CFLAGS_kasan_test_module.o := $(CFLAGS_KASAN_TEST)
- obj-y := common.o report.o
- obj-$(CONFIG_KASAN_GENERIC) += init.o generic.o report_generic.o shadow.o quarantine.o
- obj-$(CONFIG_KASAN_HW_TAGS) += hw_tags.o report_hw_tags.o tags.o report_tags.o
- obj-$(CONFIG_KASAN_SW_TAGS) += init.o report_sw_tags.o shadow.o sw_tags.o tags.o report_tags.o
- kasan_test-objs := kasan_test_c.o
- ifdef CONFIG_RUST
- kasan_test-objs += kasan_test_rust.o
- endif
- obj-$(CONFIG_KASAN_KUNIT_TEST) += kasan_test.o
- obj-$(CONFIG_KASAN_MODULE_TEST) += kasan_test_module.o
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