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81723e3ac3
Same as for the gettimeofday CVDSO implementation, add c-getrandom-y to ease the inclusion of lib/vdso/getrandom.c in architectures' VDSO builds. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
19 lines
845 B
Makefile
19 lines
845 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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GENERIC_VDSO_MK_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
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GENERIC_VDSO_DIR := $(dir $(GENERIC_VDSO_MK_PATH))
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c-gettimeofday-$(CONFIG_GENERIC_GETTIMEOFDAY) := $(addprefix $(GENERIC_VDSO_DIR), gettimeofday.c)
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c-getrandom-$(CONFIG_VDSO_GETRANDOM) := $(addprefix $(GENERIC_VDSO_DIR), getrandom.c)
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# This cmd checks that the vdso library does not contain dynamic relocations.
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# It has to be called after the linking of the vdso library and requires it
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# as a parameter.
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#
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# As a workaround for some GNU ld ports which produce unneeded R_*_NONE
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# dynamic relocations, ignore R_*_NONE.
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quiet_cmd_vdso_check = VDSOCHK $@
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cmd_vdso_check = if $(READELF) -rW $@ | grep -v _NONE | grep -q " R_\w*_"; \
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then (echo >&2 "$@: dynamic relocations are not supported"; \
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rm -f $@; /bin/false); fi
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