linux - kernel/Makefile

159 lines · 5.1 KiB

1	# SPDX-License-Identifier: GPL-2.0
2	#
3	# Makefile for the linux kernel.
4	#
5
6	obj-y = fork.o exec_domain.o panic.o \
7	cpu.o exit.o softirq.o resource.o \
8	sysctl.o capability.o ptrace.o user.o \
9	signal.o sys.o umh.o workqueue.o pid.o task_work.o \
10	extable.o params.o \
11	kthread.o sys_ni.o nsproxy.o \
12	notifier.o ksysfs.o cred.o reboot.o \
13	async.o range.o smpboot.o ucount.o regset.o
14
15	obj-$(CONFIG_USERMODE_DRIVER) += usermode_driver.o
16	obj-$(CONFIG_MODULES) += kmod.o
17	obj-$(CONFIG_MULTIUSER) += groups.o
18
19	ifdef CONFIG_FUNCTION_TRACER
20	# Do not trace internal ftrace files
21	CFLAGS_REMOVE_irq_work.o = $(CC_FLAGS_FTRACE)
22	endif
23
24	# Prevents flicker of uninteresting __do_softirq()/__local_bh_disable_ip()
25	# in coverage traces.
26	KCOV_INSTRUMENT_softirq.o := n
27	# Avoid KCSAN instrumentation in softirq ("No shared variables, all the data
28	# are CPU local" => assume no data races), to reduce overhead in interrupts.
29	KCSAN_SANITIZE_softirq.o = n
30	# These are called from save_stack_trace() on slub debug path,
31	# and produce insane amounts of uninteresting coverage.
32	KCOV_INSTRUMENT_extable.o := n
33	KCOV_INSTRUMENT_stacktrace.o := n
34	# Don't self-instrument.
35	KCOV_INSTRUMENT_kcov.o := n
36	# If sanitizers detect any issues in kcov, it may lead to recursion
37	# via printk, etc.
38	KASAN_SANITIZE_kcov.o := n
39	KCSAN_SANITIZE_kcov.o := n
40	UBSAN_SANITIZE_kcov.o := n
41	KMSAN_SANITIZE_kcov.o := n
42	CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack) -fno-stack-protector
43
44	obj-y += sched/
45	obj-y += locking/
46	obj-y += power/
47	obj-y += printk/
48	obj-y += irq/
49	obj-y += rcu/
50	obj-y += livepatch/
51	obj-y += dma/
52	obj-y += entry/
53	obj-$(CONFIG_MODULES) += module/
54
55	obj-$(CONFIG_KCMP) += kcmp.o
56	obj-$(CONFIG_FREEZER) += freezer.o
57	obj-$(CONFIG_PROFILING) += profile.o
58	obj-$(CONFIG_STACKTRACE) += stacktrace.o
59	obj-y += time/
60	obj-$(CONFIG_FUTEX) += futex/
61	obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
62	obj-$(CONFIG_SMP) += smp.o
63	ifneq ($(CONFIG_SMP),y)
64	obj-y += up.o
65	endif
66	obj-$(CONFIG_UID16) += uid16.o
67	obj-$(CONFIG_MODULE_SIG_FORMAT) += module_signature.o
68	obj-$(CONFIG_KALLSYMS) += kallsyms.o
69	obj-$(CONFIG_KALLSYMS_SELFTEST) += kallsyms_selftest.o
70	obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
71	obj-$(CONFIG_CRASH_CORE) += crash_core.o
72	obj-$(CONFIG_KEXEC_CORE) += kexec_core.o
73	obj-$(CONFIG_KEXEC) += kexec.o
74	obj-$(CONFIG_KEXEC_FILE) += kexec_file.o
75	obj-$(CONFIG_KEXEC_ELF) += kexec_elf.o
76	obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
77	obj-$(CONFIG_COMPAT) += compat.o
78	obj-$(CONFIG_CGROUPS) += cgroup/
79	obj-$(CONFIG_UTS_NS) += utsname.o
80	obj-$(CONFIG_USER_NS) += user_namespace.o
81	obj-$(CONFIG_PID_NS) += pid_namespace.o
82	obj-$(CONFIG_IKCONFIG) += configs.o
83	obj-$(CONFIG_IKHEADERS) += kheaders.o
84	obj-$(CONFIG_SMP) += stop_machine.o
85	obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
86	obj-$(CONFIG_AUDITSYSCALL) += auditsc.o audit_watch.o audit_fsnotify.o audit_tree.o
87	obj-$(CONFIG_GCOV_KERNEL) += gcov/
88	obj-$(CONFIG_KCOV) += kcov.o
89	obj-$(CONFIG_KPROBES) += kprobes.o
90	obj-$(CONFIG_FAIL_FUNCTION) += fail_function.o
91	obj-$(CONFIG_KGDB) += debug/
92	obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
93	obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
94	obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_hld.o
95	obj-$(CONFIG_SECCOMP) += seccomp.o
96	obj-$(CONFIG_RELAY) += relay.o
97	obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
98	obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
99	obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
100	obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
101	obj-$(CONFIG_LATENCYTOP) += latencytop.o
102	obj-$(CONFIG_FUNCTION_TRACER) += trace/
103	obj-$(CONFIG_TRACING) += trace/
104	obj-$(CONFIG_TRACE_CLOCK) += trace/
105	obj-$(CONFIG_RING_BUFFER) += trace/
106	obj-$(CONFIG_TRACEPOINTS) += trace/
107	obj-$(CONFIG_RETHOOK) += trace/
108	obj-$(CONFIG_IRQ_WORK) += irq_work.o
109	obj-$(CONFIG_CPU_PM) += cpu_pm.o
110	obj-$(CONFIG_BPF) += bpf/
111	obj-$(CONFIG_KCSAN) += kcsan/
112	obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
113	obj-$(CONFIG_HAVE_STATIC_CALL) += static_call.o
114	obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call_inline.o
115	obj-$(CONFIG_CFI_CLANG) += cfi.o
116
117	obj-$(CONFIG_PERF_EVENTS) += events/
118
119	obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
120	obj-$(CONFIG_PADATA) += padata.o
121	obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
122	obj-$(CONFIG_JUMP_LABEL) += jump_label.o
123	obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.o
124	obj-$(CONFIG_TORTURE_TEST) += torture.o
125
126	obj-$(CONFIG_HAS_IOMEM) += iomem.o
127	obj-$(CONFIG_RSEQ) += rseq.o
128	obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o
129
130	obj-$(CONFIG_RESOURCE_KUNIT_TEST) += resource_kunit.o
131	obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o
132
133	CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN)
134	obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o
135	KASAN_SANITIZE_stackleak.o := n
136	KCSAN_SANITIZE_stackleak.o := n
137	KCOV_INSTRUMENT_stackleak.o := n
138
139	obj-$(CONFIG_SCF_TORTURE_TEST) += scftorture.o
140
141	$(obj)/configs.o: $(obj)/config_data.gz
142
143	targets += config_data config_data.gz
144	$(obj)/config_data.gz: $(obj)/config_data FORCE
145	$(call if_changed,gzip)
146
147	filechk_cat = cat $<
148
149	$(obj)/config_data: $(KCONFIG_CONFIG) FORCE
150	$(call filechk,cat)
151
152	$(obj)/kheaders.o: $(obj)/kheaders_data.tar.xz
153
154	quiet_cmd_genikh = CHK $(obj)/kheaders_data.tar.xz
155	cmd_genikh = $(CONFIG_SHELL) $(srctree)/kernel/gen_kheaders.sh $@
156	$(obj)/kheaders_data.tar.xz: FORCE
157	$(call cmd,genikh)
158
159	clean-files := kheaders_data.tar.xz kheaders.md5