Makefile 5.0 KB

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