Vincenzo Frascino | 00b2647 | 2019-06-21 10:52:29 +0100 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | |
| 3 | GENERIC_VDSO_MK_PATH := $(abspath $(lastword $(MAKEFILE_LIST))) |
| 4 | GENERIC_VDSO_DIR := $(dir $(GENERIC_VDSO_MK_PATH)) |
| 5 | |
| 6 | c-gettimeofday-$(CONFIG_GENERIC_GETTIMEOFDAY) := $(addprefix $(GENERIC_VDSO_DIR), gettimeofday.c) |
| 7 | |
| 8 | # This cmd checks that the vdso library does not contain absolute relocation |
| 9 | # It has to be called after the linking of the vdso library and requires it |
| 10 | # as a parameter. |
| 11 | # |
| 12 | # $(ARCH_REL_TYPE_ABS) is defined in the arch specific makefile and corresponds |
| 13 | # to the absolute relocation types printed by "objdump -R" and accepted by the |
| 14 | # dynamic linker. |
| 15 | ifndef ARCH_REL_TYPE_ABS |
| 16 | $(error ARCH_REL_TYPE_ABS is not set) |
| 17 | endif |
| 18 | |
| 19 | quiet_cmd_vdso_check = VDSOCHK $@ |
| 20 | cmd_vdso_check = if $(OBJDUMP) -R $@ | egrep -h "$(ARCH_REL_TYPE_ABS)"; \ |
| 21 | then (echo >&2 "$@: dynamic relocations are not supported"; \ |
| 22 | rm -f $@; /bin/false); fi |