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00b26474 VF |
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 |