| # 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 |
