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46ee6c3cdd
Create input symbol files to generate GKI modules header
under include/config. By placing files in this generated
directory, the default filters that ignore certain files
will work without any special handling required, and they
will also be available to inspect after the build to inspect
for the debugging purposes.
abi_gki_protected_exports: Input for gki_module_protected_exports.h
From :- ${objtree}/abi_gki_protected_exports
To :- include/config/abi_gki_protected_exports
all_kmi_symbols: Input for gki_module_unprotected.h
- Rename to abi_gki_kmi_symbols
From :- all_kmi_symbols
To :- include/config/abi_gki_kmi_symbols
Bug: 286529877
Test: TH
Test: Manual verification of the generated files
Change-Id: Iafa10631e7712a8e1e87a2f56cfd614de6b1053a
Signed-off-by: Ramji Jiyani <ramjiyani@google.com>
194 lines
6.5 KiB
Makefile
194 lines
6.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the linux kernel.
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#
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obj-y = fork.o exec_domain.o panic.o \
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cpu.o exit.o softirq.o resource.o \
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sysctl.o capability.o ptrace.o user.o \
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signal.o sys.o umh.o workqueue.o pid.o task_work.o \
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extable.o params.o \
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kthread.o sys_ni.o nsproxy.o \
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notifier.o ksysfs.o cred.o reboot.o \
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async.o range.o smpboot.o ucount.o regset.o
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obj-$(CONFIG_USERMODE_DRIVER) += usermode_driver.o
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obj-$(CONFIG_MODULES) += kmod.o
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obj-$(CONFIG_MULTIUSER) += groups.o
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ifdef CONFIG_FUNCTION_TRACER
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# Do not trace internal ftrace files
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CFLAGS_REMOVE_irq_work.o = $(CC_FLAGS_FTRACE)
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endif
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# Prevents flicker of uninteresting __do_softirq()/__local_bh_disable_ip()
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# in coverage traces.
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KCOV_INSTRUMENT_softirq.o := n
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# Avoid KCSAN instrumentation in softirq ("No shared variables, all the data
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# are CPU local" => assume no data races), to reduce overhead in interrupts.
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KCSAN_SANITIZE_softirq.o = n
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# These are called from save_stack_trace() on slub debug path,
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# and produce insane amounts of uninteresting coverage.
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KCOV_INSTRUMENT_module.o := n
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KCOV_INSTRUMENT_extable.o := n
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KCOV_INSTRUMENT_stacktrace.o := n
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# Don't self-instrument.
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KCOV_INSTRUMENT_kcov.o := n
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# If sanitizers detect any issues in kcov, it may lead to recursion
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# via printk, etc.
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KASAN_SANITIZE_kcov.o := n
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KCSAN_SANITIZE_kcov.o := n
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UBSAN_SANITIZE_kcov.o := n
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CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack) -fno-stack-protector
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obj-y += sched/
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obj-y += locking/
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obj-y += power/
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obj-y += printk/
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obj-y += irq/
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obj-y += rcu/
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obj-y += livepatch/
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obj-y += dma/
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obj-y += entry/
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obj-$(CONFIG_KCMP) += kcmp.o
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obj-$(CONFIG_FREEZER) += freezer.o
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obj-$(CONFIG_PROFILING) += profile.o
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obj-$(CONFIG_STACKTRACE) += stacktrace.o
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obj-y += time/
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obj-$(CONFIG_FUTEX) += futex/
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obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
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obj-$(CONFIG_SMP) += smp.o
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ifneq ($(CONFIG_SMP),y)
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obj-y += up.o
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endif
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obj-$(CONFIG_UID16) += uid16.o
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obj-$(CONFIG_MODULES) += module.o
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obj-$(CONFIG_MODULE_SIG) += module_signing.o
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obj-$(CONFIG_MODULE_SIG_FORMAT) += module_signature.o
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obj-$(CONFIG_MODULE_SIG_PROTECT) += gki_module.o
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obj-$(CONFIG_KALLSYMS) += kallsyms.o
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obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
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obj-$(CONFIG_CRASH_CORE) += crash_core.o
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obj-$(CONFIG_KEXEC_CORE) += kexec_core.o
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obj-$(CONFIG_KEXEC) += kexec.o
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obj-$(CONFIG_KEXEC_FILE) += kexec_file.o
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obj-$(CONFIG_KEXEC_ELF) += kexec_elf.o
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obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
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obj-$(CONFIG_COMPAT) += compat.o
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obj-$(CONFIG_CGROUPS) += cgroup/
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obj-$(CONFIG_UTS_NS) += utsname.o
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obj-$(CONFIG_USER_NS) += user_namespace.o
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obj-$(CONFIG_PID_NS) += pid_namespace.o
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obj-$(CONFIG_IKCONFIG) += configs.o
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obj-$(CONFIG_IKHEADERS) += kheaders.o
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obj-$(CONFIG_SMP) += stop_machine.o
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obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
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obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
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obj-$(CONFIG_AUDITSYSCALL) += auditsc.o audit_watch.o audit_fsnotify.o audit_tree.o
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obj-$(CONFIG_GCOV_KERNEL) += gcov/
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obj-$(CONFIG_KCOV) += kcov.o
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obj-$(CONFIG_KPROBES) += kprobes.o
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obj-$(CONFIG_FAIL_FUNCTION) += fail_function.o
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obj-$(CONFIG_KGDB) += debug/
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obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
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obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
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obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_hld.o
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obj-$(CONFIG_SECCOMP) += seccomp.o
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obj-$(CONFIG_RELAY) += relay.o
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obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
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obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
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obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
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obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
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obj-$(CONFIG_LATENCYTOP) += latencytop.o
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obj-$(CONFIG_FUNCTION_TRACER) += trace/
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obj-$(CONFIG_TRACING) += trace/
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obj-$(CONFIG_TRACE_CLOCK) += trace/
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obj-$(CONFIG_RING_BUFFER) += trace/
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obj-$(CONFIG_TRACEPOINTS) += trace/
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obj-$(CONFIG_IRQ_WORK) += irq_work.o
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obj-$(CONFIG_CPU_PM) += cpu_pm.o
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obj-$(CONFIG_BPF) += bpf/
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obj-$(CONFIG_KCSAN) += kcsan/
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obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
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obj-$(CONFIG_HAVE_STATIC_CALL) += static_call.o
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obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call_inline.o
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obj-$(CONFIG_CFI_CLANG) += cfi.o
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obj-$(CONFIG_PERF_EVENTS) += events/
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obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
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obj-$(CONFIG_PADATA) += padata.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
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obj-$(CONFIG_JUMP_LABEL) += jump_label.o
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obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.o
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obj-$(CONFIG_TORTURE_TEST) += torture.o
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obj-$(CONFIG_HAS_IOMEM) += iomem.o
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obj-$(CONFIG_RSEQ) += rseq.o
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obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o
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obj-$(CONFIG_RESOURCE_KUNIT_TEST) += resource_kunit.o
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obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o
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CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN)
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obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o
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KASAN_SANITIZE_stackleak.o := n
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KCSAN_SANITIZE_stackleak.o := n
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KCOV_INSTRUMENT_stackleak.o := n
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obj-$(CONFIG_SCF_TORTURE_TEST) += scftorture.o
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$(obj)/configs.o: $(obj)/config_data.gz
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targets += config_data config_data.gz
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$(obj)/config_data.gz: $(obj)/config_data FORCE
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$(call if_changed,gzip)
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filechk_cat = cat $<
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$(obj)/config_data: $(KCONFIG_CONFIG) FORCE
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$(call filechk,cat)
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$(obj)/kheaders.o: $(obj)/kheaders_data.tar.xz
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quiet_cmd_genikh = CHK $(obj)/kheaders_data.tar.xz
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cmd_genikh = $(CONFIG_SHELL) $(srctree)/kernel/gen_kheaders.sh $@
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$(obj)/kheaders_data.tar.xz: FORCE
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$(call cmd,genikh)
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clean-files := kheaders_data.tar.xz kheaders.md5
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#
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# ANDROID: GKI: Generate headerfiles required for gki_module.o
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#
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# Dependencies on generated files need to be listed explicitly
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$(obj)/gki_module.o: include/generated/gki_module_protected_exports.h \
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include/generated/gki_module_unprotected.h
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ALL_KMI_SYMBOLS := include/config/abi_gki_kmi_symbols
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include/generated/gki_module_unprotected.h: $(ALL_KMI_SYMBOLS) \
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$(srctree)/scripts/gen_gki_modules_headers.sh
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/gen_gki_modules_headers.sh $@ \
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"$(srctree)" \
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$(ALL_KMI_SYMBOLS)
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# Generate symbol list with union of all symbol list for arm64; empty for others
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$(ALL_KMI_SYMBOLS): $(if $(filter arm64,$(ARCH)),$(wildcard $(srctree)/android/abi_gki_aarch64_*),)
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$(if $(strip $^),cat $^ > $(ALL_KMI_SYMBOLS), echo "" > $(ALL_KMI_SYMBOLS))
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# ABI protected exports list file specific to ARCH if exists else empty
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ABI_PROTECTED_EXPORTS_FILE :=
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ifeq ($(ARCH),arm64)
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ABI_PROTECTED_EXPORTS_FILE := $(wildcard $(srctree)/android/abi_gki_protected_exports_aarch64)
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else
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ABI_PROTECTED_EXPORTS_FILE := $(wildcard $(srctree)/android/abi_gki_protected_exports_$(ARCH))
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endif
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include/generated/gki_module_protected_exports.h: $(ABI_PROTECTED_EXPORTS_FILE) \
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$(srctree)/scripts/gen_gki_modules_headers.sh
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/gen_gki_modules_headers.sh $@ \
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"$(srctree)" \
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$(ABI_PROTECTED_EXPORTS_FILE)
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