| # 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 $@ | egrep -h "$(ARCH_REL_TYPE_ABS)"; \ | |
| then (echo >&2 "$@: dynamic relocations are not supported"; \ | |
| rm -f $@; /bin/false); fi |