# SPDX-License-Identifier: GPL-2.0
#
# Makefile for some libs needed in the kernel.
#

ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)

# Branch profiling isn't noinstr-safe
ifdef CONFIG_TRACE_BRANCH_PROFILING
CFLAGS_smp_processor_id.o += -DDISABLE_BRANCH_PROFILING
endif

# These files are disabled because they produce lots of non-interesting and/or
# flaky coverage that is not a function of syscall inputs. For example,
# rbtree can be global and individual rotations don't correlate with inputs.
KCOV_INSTRUMENT_string.o := n
KCOV_INSTRUMENT_rbtree.o := n
KCOV_INSTRUMENT_list_debug.o := n
KCOV_INSTRUMENT_debugobjects.o := n
KCOV_INSTRUMENT_dynamic_debug.o := n
KCOV_INSTRUMENT_fault-inject.o := n
KCOV_INSTRUMENT_find_bit.o := n

# string.o implements standard library functions like memset/memcpy etc.
# Use -ffreestanding to ensure that the compiler does not try to "optimize"
# them into calls to themselves.
CFLAGS_string.o := -ffreestanding

# Early boot use of cmdline, don't instrument it
ifdef CONFIG_AMD_MEM_ENCRYPT
KASAN_SANITIZE_string.o := n

CFLAGS_string.o += -fno-stack-protector
endif

lib-y := ctype.o string.o vsprintf.o cmdline.o \
	 rbtree.o radix-tree.o timerqueue.o xarray.o \
	 maple_tree.o idr.o extable.o irq_regs.o argv_split.o \
	 flex_proportions.o ratelimit.o \
	 is_single_threaded.o plist.o decompress.o kobject_uevent.o \
	 earlycpio.o seq_buf.o siphash.o dec_and_lock.o \
	 nmi_backtrace.o win_minmax.o memcat_p.o \
	 buildid.o objpool.o iomem_copy.o sys_info.o

lib-$(CONFIG_UNION_FIND) += union_find.o
lib-$(CONFIG_PRINTK) += dump_stack.o
lib-$(CONFIG_SMP) += cpumask.o
lib-$(CONFIG_MIN_HEAP) += min_heap.o

lib-y	+= kobject.o klist.o
obj-y	+= lockref.o

CONTEXT_ANALYSIS_rhashtable.o := y

obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \
	 bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \
	 list_sort.o uuid.o iov_iter.o clz_ctz.o \
	 bsearch.o find_bit.o llist.o lwq.o memweight.o kfifo.o \
	 percpu-refcount.o rhashtable.o base64.o \
	 once.o refcount.o rcuref.o usercopy.o errseq.o bucket_locks.o \
	 generic-radix-tree.o bitmap-str.o
obj-y += string_helpers.o
obj-y += hexdump.o
obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o
obj-y += kstrtox.o
obj-$(CONFIG_FIND_BIT_BENCHMARK) += find_bit_benchmark.o
obj-$(CONFIG_REGION_ALLOC_BENCHMARK) += region_alloc_benchmark.o
obj-$(CONFIG_FIND_BIT_BENCHMARK_RUST) += find_bit_benchmark_rust.o
obj-$(CONFIG_TEST_BPF) += test_bpf.o
test_dhry-objs := dhry_1.o dhry_2.o dhry_run.o
obj-$(CONFIG_TEST_DHRY) += test_dhry.o
obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
obj-$(CONFIG_TEST_BITOPS) += test_bitops.o
CFLAGS_test_bitops.o += -Werror
obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o
obj-$(CONFIG_TEST_IDA) += test_ida.o
obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
CFLAGS_test_ubsan.o += $(call cc-disable-warning, unused-but-set-variable)
UBSAN_SANITIZE_test_ubsan.o := y
obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
obj-$(CONFIG_TEST_LKM) += test_module.o
obj-$(CONFIG_TEST_VMALLOC) += test_vmalloc.o
obj-$(CONFIG_TEST_WORKQUEUE) += test_workqueue.o
obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
obj-$(CONFIG_TEST_DYNAMIC_DEBUG) += test_dynamic_debug.o

obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_KASAN),yy)
# FIXME: Clang breaks test_bitmap_const_eval when KASAN and GCOV are enabled
GCOV_PROFILE_test_bitmap.o := n
endif

obj-$(CONFIG_TEST_XARRAY) += test_xarray.o
obj-$(CONFIG_TEST_MAPLE_TREE) += test_maple_tree.o
obj-$(CONFIG_TEST_PARMAN) += test_parman.o
obj-$(CONFIG_TEST_KMOD) += test_kmod.o
obj-$(CONFIG_TEST_DEBUG_VIRTUAL) += test_debug_virtual.o
obj-$(CONFIG_TEST_MEMCAT_P) += test_memcat_p.o
obj-$(CONFIG_TEST_OBJAGG) += test_objagg.o
obj-$(CONFIG_TEST_MEMINIT) += test_meminit.o
obj-$(CONFIG_TEST_LOCKUP) += test_lockup.o
obj-$(CONFIG_TEST_HMM) += test_hmm.o
obj-$(CONFIG_TEST_FREE_PAGES) += test_free_pages.o
obj-$(CONFIG_TEST_REF_TRACKER) += test_ref_tracker.o
obj-$(CONFIG_TEST_OBJPOOL) += test_objpool.o
obj-$(CONFIG_TEST_KEXEC_HANDOVER) += test_kho.o

obj-$(CONFIG_TEST_FPU) += test_fpu.o
test_fpu-y := test_fpu_glue.o test_fpu_impl.o
CFLAGS_test_fpu_impl.o += $(CC_FLAGS_FPU)
CFLAGS_REMOVE_test_fpu_impl.o += $(CC_FLAGS_NO_FPU)

obj-y += kunit/

ifeq ($(CONFIG_DEBUG_KOBJECT),y)
CFLAGS_kobject.o += -DDEBUG
CFLAGS_kobject_uevent.o += -DDEBUG
endif

obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)

obj-y += math/ crc/ crypto/ tests/ vdso/ raid/

obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o

obj-$(CONFIG_GENERIC_CPU_CACHE_MAINTENANCE) += cache_maint.o

lib-y += logic_pio.o

lib-$(CONFIG_INDIRECT_IOMEM) += logic_iomem.o

obj-$(CONFIG_TRACE_MMIO_ACCESS) += trace_readwrite.o

obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o

obj-$(CONFIG_BTREE) += btree.o
obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
obj-$(CONFIG_LIST_HARDENED) += list_debug.o
obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o

obj-$(CONFIG_GENERIC_BITREVERSE) += bitrev.o
obj-$(CONFIG_LINEAR_RANGES) += linear_ranges.o
obj-$(CONFIG_PACKING)	+= packing.o
obj-$(CONFIG_PACKING_KUNIT_TEST) += packing_test.o
obj-$(CONFIG_XXHASH)	+= xxhash.o
obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o

obj-$(CONFIG_842_COMPRESS) += 842/
obj-$(CONFIG_842_DECOMPRESS) += 842/
obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
obj-$(CONFIG_ZLIB_DEFLATE) += zli