1# SPDX-License-Identifier: GPL-2.0 2# 3# Makefile for the linux kernel. 4# 5 6obj-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 delayacct.o 14 15obj-$(CONFIG_USERMODE_DRIVER) += usermode_driver.o 16obj-$(CONFIG_MODULES) += kmod.o 17obj-$(CONFIG_MULTIUSER) += groups.o 18 19ifdef CONFIG_FUNCTION_TRACER 20# Do not trace internal ftrace files 21CFLAGS_REMOVE_irq_work.o = $(CC_FLAGS_FTRACE) 22endif 23 24# Prevents flicker of uninteresting __do_softirq()/__local_bh_disable_ip() 25# in coverage traces. 26KCOV_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. 29KCSAN_SANITIZE_softirq.o = n 30# These are called from save_stack_trace() on slub debug path, 31# and produce insane amounts of uninteresting coverage. 32KCOV_INSTRUMENT_module.o := n 33KCOV_INSTRUMENT_extable.o := n 34KCOV_INSTRUMENT_stacktrace.o := n 35# Don't self-instrument. 36KCOV_INSTRUMENT_kcov.o := n 37# If sanitizers detect any issues in kcov, it may lead to recursion 38# via printk, etc. 39KASAN_SANITIZE_kcov.o := n 40KCSAN_SANITIZE_kcov.o := n 41UBSAN_SANITIZE_kcov.o := n 42CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack) -fno-stack-protector 43 44obj-y += sched/ 45obj-y += locking/ 46obj-y += power/ 47obj-y += printk/ 48obj-y += irq/ 49obj-y += rcu/ 50obj-y += livepatch/ 51obj-y += dma/ 52obj-y += entry/ 53 54obj-$(CONFIG_KCMP) += kcmp.o 55obj-$(CONFIG_FREEZER) += freezer.o 56obj-$(CONFIG_PROFILING) += profile.o 57obj-$(CONFIG_STACKTRACE) += stacktrace.o 58obj-y += time/ 59obj-$(CONFIG_FUTEX) += futex/ 60obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o 61obj-$(CONFIG_SMP) += smp.o 62ifneq ($(CONFIG_SMP),y) 63obj-y += up.o 64endif 65obj-$(CONFIG_UID16) += uid16.o 66obj-$(CONFIG_MODULES) += module.o 67obj-$(CONFIG_MODULE_SIG) += module_signing.o 68obj-$(CONFIG_MODULE_SIG_FORMAT) += module_signature.o 69obj-$(CONFIG_MODULE_SIG_PROTECT) += gki_module.o 70obj-$(CONFIG_KALLSYMS) += kallsyms.o 71obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o 72obj-$(CONFIG_CRASH_CORE) += crash_core.o 73obj-$(CONFIG_KEXEC_CORE) += kexec_core.o 74obj-$(CONFIG_KEXEC) += kexec.o 75obj-$(CONFIG_KEXEC_FILE) += kexec_file.o 76obj-$(CONFIG_KEXEC_ELF) += kexec_elf.o 77obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o 78obj-$(CONFIG_COMPAT) += compat.o 79obj-$(CONFIG_CGROUPS) += cgroup/ 80obj-$(CONFIG_UTS_NS) += utsname.o 81obj-$(CONFIG_USER_NS) += user_namespace.o 82obj-$(CONFIG_PID_NS) += pid_namespace.o 83obj-$(CONFIG_IKCONFIG) += configs.o 84obj-$(CONFIG_IKHEADERS) += kheaders.o 85obj-$(CONFIG_SMP) += stop_machine.o 86obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o 87obj-$(CONFIG_AUDIT) += audit.o auditfilter.o 88obj-$(CONFIG_AUDITSYSCALL) += auditsc.o audit_watch.o audit_fsnotify.o audit_tree.o 89obj-$(CONFIG_GCOV_KERNEL) += gcov/ 90obj-$(CONFIG_KCOV) += kcov.o 91obj-$(CONFIG_KPROBES) += kprobes.o 92obj-$(CONFIG_FAIL_FUNCTION) += fail_function.o 93obj-$(CONFIG_KGDB) += debug/ 94obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o 95obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o 96obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_hld.o 97obj-$(CONFIG_SECCOMP) += seccomp.o 98obj-$(CONFIG_RELAY) += relay.o 99obj-$(CONFIG_SYSCTL) += utsname_sysctl.o 100obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o 101obj-$(CONFIG_TRACEPOINTS) += tracepoint.o 102obj-$(CONFIG_LATENCYTOP) += latencytop.o 103obj-$(CONFIG_FUNCTION_TRACER) += trace/ 104obj-$(CONFIG_TRACING) += trace/ 105obj-$(CONFIG_TRACE_CLOCK) += trace/ 106obj-$(CONFIG_RING_BUFFER) += trace/ 107obj-$(CONFIG_TRACEPOINTS) += trace/ 108obj-$(CONFIG_IRQ_WORK) += irq_work.o 109obj-$(CONFIG_CPU_PM) += cpu_pm.o 110obj-$(CONFIG_BPF) += bpf/ 111obj-$(CONFIG_KCSAN) += kcsan/ 112obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o 113obj-$(CONFIG_HAVE_STATIC_CALL) += static_call.o 114obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call_inline.o 115obj-$(CONFIG_CFI_CLANG) += cfi.o 116 117obj-$(CONFIG_PERF_EVENTS) += events/ 118 119obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o 120obj-$(CONFIG_PADATA) += padata.o 121obj-$(CONFIG_CRASH_DUMP) += crash_dump.o 122obj-$(CONFIG_JUMP_LABEL) += jump_label.o 123obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.o 124obj-$(CONFIG_TORTURE_TEST) += torture.o 125 126obj-$(CONFIG_HAS_IOMEM) += iomem.o 127obj-$(CONFIG_RSEQ) += rseq.o 128obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o 129 130obj-$(CONFIG_RESOURCE_KUNIT_TEST) += resource_kunit.o 131obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o 132 133CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN) 134obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o 135KASAN_SANITIZE_stackleak.o := n 136KCSAN_SANITIZE_stackleak.o := n 137KCOV_INSTRUMENT_stackleak.o := n 138 139obj-$(CONFIG_SCF_TORTURE_TEST) += scftorture.o 140 141$(obj)/configs.o: $(obj)/config_data.gz 142 143targets += config_data config_data.gz 144$(obj)/config_data.gz: $(obj)/config_data FORCE 145 $(call if_changed,gzip) 146 147filechk_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 154quiet_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 $(call cmd,genikh) 158 159clean-files := kheaders_data.tar.xz kheaders.md5 160 161# 162# ANDROID: GKI: Generate headerfiles required for gki_module.o 163# 164# Dependencies on generated files need to be listed explicitly 165$(obj)/gki_module.o: include/generated/gki_module_protected_exports.h \ 166 include/generated/gki_module_unprotected.h 167 168ALL_KMI_SYMBOLS := include/config/abi_gki_kmi_symbols 169 170include/generated/gki_module_unprotected.h: $(ALL_KMI_SYMBOLS) \ 171 $(srctree)/scripts/gen_gki_modules_headers.sh 172 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/gen_gki_modules_headers.sh $@ \ 173 "$(srctree)" \ 174 $(ALL_KMI_SYMBOLS) 175 176# Generate symbol list with union of all symbol list for arm64; empty for others 177$(ALL_KMI_SYMBOLS): $(if $(filter arm64,$(ARCH)),$(wildcard $(srctree)/android/abi_gki_aarch64_*),) 178 $(if $(strip $^),cat $^ > $(ALL_KMI_SYMBOLS), echo "" > $(ALL_KMI_SYMBOLS)) 179 180# ABI protected exports list file specific to ARCH if exists else empty 181ABI_PROTECTED_EXPORTS_FILE := 182ifeq ($(ARCH),arm64) 183 ABI_PROTECTED_EXPORTS_FILE := $(wildcard $(srctree)/android/abi_gki_protected_exports_aarch64) 184else 185 ABI_PROTECTED_EXPORTS_FILE := $(wildcard $(srctree)/android/abi_gki_protected_exports_$(ARCH)) 186endif 187 188include/generated/gki_module_protected_exports.h: $(ABI_PROTECTED_EXPORTS_FILE) \ 189 $(srctree)/scripts/gen_gki_modules_headers.sh 190 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/gen_gki_modules_headers.sh $@ \ 191 "$(srctree)" \ 192 $(ABI_PROTECTED_EXPORTS_FILE) 193