1# SPDX-License-Identifier: GPL-2.0 2 3GENERIC_VDSO_MK_PATH := $(abspath $(lastword $(MAKEFILE_LIST))) 4GENERIC_VDSO_DIR := $(dir $(GENERIC_VDSO_MK_PATH)) 5 6c-gettimeofday-$(CONFIG_GENERIC_GETTIMEOFDAY) := $(addprefix $(GENERIC_VDSO_DIR), gettimeofday.c) 7c-getrandom-$(CONFIG_VDSO_GETRANDOM) := $(addprefix $(GENERIC_VDSO_DIR), getrandom.c) 8 9# This cmd checks that the vdso library does not contain dynamic relocations. 10# It has to be called after the linking of the vdso library and requires it 11# as a parameter. 12# 13# As a workaround for some GNU ld ports which produce unneeded R_*_NONE 14# dynamic relocations, ignore R_*_NONE. 15quiet_cmd_vdso_check = VDSOCHK $@ 16 cmd_vdso_check = if $(READELF) -rW $@ | grep -v _NONE | grep -q " R_\w*_"; \ 17 then (echo >&2 "$@: dynamic relocations are not supported"; \ 18 rm -f $@; /bin/false); fi 19