| # 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 $(GENERIC_VDSO_DIR), gettimeofday.c) | |
| c-getrandom-$(CONFIG_VDSO_GETRANDOM) := $(addprefix $(GENERIC_VDSO_DIR), getrandom.c) | |
| # This cmd checks that the vdso library does not contain dynamic relocations. | |
| # It has to be called after the linking of the vdso library and requires it | |
| # as a parameter. | |
| # | |
| # As a workaround for some GNU ld ports which produce unneeded R_*_NONE | |
| # dynamic relocations, ignore R_*_NONE. | |
| quiet_cmd_vdso_check = VDSOCHK $@ | |
| cmd_vdso_check = if $(READELF) -rW $@ | grep -v _NONE | grep -q " R_\w*_"; \ | |
| then (echo >&2 "$@: dynamic relocations are not supported"; \ | |
| rm -f $@; /bin/false); fi |