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文件: /usr/src/linux-headers-5.15.0-186/lib/vdso/Makefile
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# SPDX-License-Identifier: GPL-2.0 GENERIC_VDSO_MK_PATH := $(abspath $(lastword $(MAKEFILE_LIST))) GENERIC_VDSO_DIR := $(dir $(GENERIC_VDSO_MK_PATH)) c-gettimeofday-$(CONFIG_GENERIC_GETTIMEOFDAY) := $(addprefix $(GENERIC_VDSO_DIR), gettimeofday.c) # This cmd checks that the vdso library does not contain absolute relocation # It has to be called after the linking of the vdso library and requires it # as a parameter. # # $(ARCH_REL_TYPE_ABS) is defined in the arch specific makefile and corresponds # to the absolute relocation types printed by "objdump -R" and accepted by the # dynamic linker. ifndef ARCH_REL_TYPE_ABS $(error ARCH_REL_TYPE_ABS is not set) endif quiet_cmd_vdso_check = VDSOCHK $@ cmd_vdso_check = if $(OBJDUMP) -R $@ | grep -E -h "$(ARCH_REL_TYPE_ABS)"; \ then (echo >&2 "$@: dynamic relocations are not supported"; \ rm -f $@; /bin/false); fi
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