| # 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.o := $(CFLAGS_KASAN_TEST) |
| 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 |
| |
| obj-$(CONFIG_KASAN_KUNIT_TEST) += kasan_test.o |
| obj-$(CONFIG_KASAN_MODULE_TEST) += kasan_test_module.o |
