OSCL-LXR

0001 # SPDX-License-Identifier: GPL-2.0
0002 #
0003 # Makefile for the linux kernel.
0004 #
0005
0006 obj-y     = fork.o exec_domain.o panic.o \
0007             cpu.o exit.o softirq.o resource.o \
0008             sysctl.o capability.o ptrace.o user.o \
0009             signal.o sys.o umh.o workqueue.o pid.o task_work.o \
0010             extable.o params.o \
0011             kthread.o sys_ni.o nsproxy.o \
0012             notifier.o ksysfs.o cred.o reboot.o \
0013             async.o range.o smpboot.o ucount.o regset.o
0014
0015 obj-$(CONFIG_USERMODE_DRIVER) += usermode_driver.o
0016 obj-$(CONFIG_MODULES) += kmod.o
0017 obj-$(CONFIG_MULTIUSER) += groups.o
0018
0019 ifdef CONFIG_FUNCTION_TRACER
0020 # Do not trace internal ftrace files
0021 CFLAGS_REMOVE_irq_work.o = $(CC_FLAGS_FTRACE)
0022 endif
0023
0024 # Prevents flicker of uninteresting __do_softirq()/__local_bh_disable_ip()
0025 # in coverage traces.
0026 KCOV_INSTRUMENT_softirq.o := n
0027 # Avoid KCSAN instrumentation in softirq ("No shared variables, all the data
0028 # are CPU local" => assume no data races), to reduce overhead in interrupts.
0029 KCSAN_SANITIZE_softirq.o = n
0030 # These are called from save_stack_trace() on slub debug path,
0031 # and produce insane amounts of uninteresting coverage.
0032 KCOV_INSTRUMENT_extable.o := n
0033 KCOV_INSTRUMENT_stacktrace.o := n
0034 # Don't self-instrument.
0035 KCOV_INSTRUMENT_kcov.o := n
0036 # If sanitizers detect any issues in kcov, it may lead to recursion
0037 # via printk, etc.
0038 KASAN_SANITIZE_kcov.o := n
0039 KCSAN_SANITIZE_kcov.o := n
0040 UBSAN_SANITIZE_kcov.o := n
0041 CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack) -fno-stack-protector
0042
0043 # Don't instrument error handlers
0044 CFLAGS_REMOVE_cfi.o := $(CC_FLAGS_CFI)
0045
0046 obj-y += sched/
0047 obj-y += locking/
0048 obj-y += power/
0049 obj-y += printk/
0050 obj-y += irq/
0051 obj-y += rcu/
0052 obj-y += livepatch/
0053 obj-y += dma/
0054 obj-y += entry/
0055 obj-$(CONFIG_MODULES) += module/
0056
0057 obj-$(CONFIG_KCMP) += kcmp.o
0058 obj-$(CONFIG_FREEZER) += freezer.o
0059 obj-$(CONFIG_PROFILING) += profile.o
0060 obj-$(CONFIG_STACKTRACE) += stacktrace.o
0061 obj-y += time/
0062 obj-$(CONFIG_FUTEX) += futex/
0063 obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
0064 obj-$(CONFIG_SMP) += smp.o
0065 ifneq ($(CONFIG_SMP),y)
0066 obj-y += up.o
0067 endif
0068 obj-$(CONFIG_UID16) += uid16.o
0069 obj-$(CONFIG_MODULE_SIG_FORMAT) += module_signature.o
0070 obj-$(CONFIG_KALLSYMS) += kallsyms.o
0071 obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
0072 obj-$(CONFIG_CRASH_CORE) += crash_core.o
0073 obj-$(CONFIG_KEXEC_CORE) += kexec_core.o
0074 obj-$(CONFIG_KEXEC) += kexec.o
0075 obj-$(CONFIG_KEXEC_FILE) += kexec_file.o
0076 obj-$(CONFIG_KEXEC_ELF) += kexec_elf.o
0077 obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
0078 obj-$(CONFIG_COMPAT) += compat.o
0079 obj-$(CONFIG_CGROUPS) += cgroup/
0080 obj-$(CONFIG_UTS_NS) += utsname.o
0081 obj-$(CONFIG_USER_NS) += user_namespace.o
0082 obj-$(CONFIG_PID_NS) += pid_namespace.o
0083 obj-$(CONFIG_IKCONFIG) += configs.o
0084 obj-$(CONFIG_IKHEADERS) += kheaders.o
0085 obj-$(CONFIG_SMP) += stop_machine.o
0086 obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
0087 obj-$(CONFIG_AUDITSYSCALL) += auditsc.o audit_watch.o audit_fsnotify.o audit_tree.o
0088 obj-$(CONFIG_GCOV_KERNEL) += gcov/
0089 obj-$(CONFIG_KCOV) += kcov.o
0090 obj-$(CONFIG_KPROBES) += kprobes.o
0091 obj-$(CONFIG_FAIL_FUNCTION) += fail_function.o
0092 obj-$(CONFIG_KGDB) += debug/
0093 obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
0094 obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
0095 obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_hld.o
0096 obj-$(CONFIG_SECCOMP) += seccomp.o
0097 obj-$(CONFIG_RELAY) += relay.o
0098 obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
0099 obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
0100 obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
0101 obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
0102 obj-$(CONFIG_LATENCYTOP) += latencytop.o
0103 obj-$(CONFIG_FUNCTION_TRACER) += trace/
0104 obj-$(CONFIG_TRACING) += trace/
0105 obj-$(CONFIG_TRACE_CLOCK) += trace/
0106 obj-$(CONFIG_RING_BUFFER) += trace/
0107 obj-$(CONFIG_TRACEPOINTS) += trace/
0108 obj-$(CONFIG_RETHOOK) += trace/
0109 obj-$(CONFIG_IRQ_WORK) += irq_work.o
0110 obj-$(CONFIG_CPU_PM) += cpu_pm.o
0111 obj-$(CONFIG_BPF) += bpf/
0112 obj-$(CONFIG_KCSAN) += kcsan/
0113 obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
0114 obj-$(CONFIG_HAVE_STATIC_CALL) += static_call.o
0115 obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call_inline.o
0116 obj-$(CONFIG_CFI_CLANG) += cfi.o
0117
0118 obj-$(CONFIG_PERF_EVENTS) += events/
0119
0120 obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
0121 obj-$(CONFIG_PADATA) += padata.o
0122 obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
0123 obj-$(CONFIG_JUMP_LABEL) += jump_label.o
0124 obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.o
0125 obj-$(CONFIG_TORTURE_TEST) += torture.o
0126
0127 obj-$(CONFIG_HAS_IOMEM) += iomem.o
0128 obj-$(CONFIG_RSEQ) += rseq.o
0129 obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o
0130
0131 obj-$(CONFIG_RESOURCE_KUNIT_TEST) += resource_kunit.o
0132 obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o
0133
0134 CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN)
0135 obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o
0136 KASAN_SANITIZE_stackleak.o := n
0137 KCSAN_SANITIZE_stackleak.o := n
0138 KCOV_INSTRUMENT_stackleak.o := n
0139
0140 obj-$(CONFIG_SCF_TORTURE_TEST) += scftorture.o
0141
0142 $(obj)/configs.o: $(obj)/config_data.gz
0143
0144 targets += config_data config_data.gz
0145 $(obj)/config_data.gz: $(obj)/config_data FORCE
0146         $(call if_changed,gzip)
0147
0148 filechk_cat = cat $<
0149
0150 $(obj)/config_data: $(KCONFIG_CONFIG) FORCE
0151         $(call filechk,cat)
0152
0153 $(obj)/kheaders.o: $(obj)/kheaders_data.tar.xz
0154
0155 quiet_cmd_genikh = CHK     $(obj)/kheaders_data.tar.xz
0156       cmd_genikh = $(CONFIG_SHELL) $(srctree)/kernel/gen_kheaders.sh $@
0157 $(obj)/kheaders_data.tar.xz: FORCE
0158         $(call cmd,genikh)
0159
0160 clean-files := kheaders_data.tar.xz kheaders.md5