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# SPDX-License-Identifier: GPL-2.0
gen := arch/$(ARCH)/include/generated
kapi := $(gen)/asm
uapi := $(gen)/uapi/asm
syscall := $(srctree)/$(src)/syscall.tbl
systbl := $(srctree)/$(src)/syscalltbl
gen-y := $(kapi)/syscall_table.h
kapi-hdrs-y := $(kapi)/unistd_nr.h
uapi-hdrs-y := $(uapi)/unistd_32.h
uapi-hdrs-y += $(uapi)/unistd_64.h
targets += $(addprefix ../../../,$(gen-y) $(kapi-hdrs-y) $(uapi-hdrs-y))
PHONY += kapi uapi
kapi: $(gen-y) $(kapi-hdrs-y)
uapi: $(uapi-hdrs-y)
# Create output directory if not already present
_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
$(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
define filechk_syshdr
$(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2" < $<
endef
define filechk_sysnr
$(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) < $<
endef
define filechk_syscalls
$(CONFIG_SHELL) '$(systbl)' -S < $<
endef
syshdr_abi_unistd_32 := common,32
$(uapi)/unistd_32.h: $(syscall) FORCE
$(call filechk,syshdr,$@)
syshdr_abi_unistd_64 := common,64
$(uapi)/unistd_64.h: $(syscall) FORCE
$(call filechk,syshdr,$@)
$(kapi)/syscall_table.h: $(syscall) FORCE
$(call filechk,syscalls)
sysnr_abi_unistd_nr := common,32,64
$(kapi)/unistd_nr.h: $(syscall) FORCE
$(call filechk,sysnr)
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