mirror of https://gitee.com/openkylin/linux.git
ARM: 7020/1: Check for multiple zreladdrs
Without CONFIG_AUTO_ZRELADDR being set the kernel needs a single zreladdr for building zImages. Bail out if we detect multiple zreladdrs without CONFIG_AUTO_ZRELADDR. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -139,8 +139,16 @@ bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \
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( echo "following symbols must have non local/private scope:" >&2; \
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echo "$$bad_syms" >&2; rm -f $@; false )
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check_for_multiple_zreladdr = \
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if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_AUTO_ZRELADDR)" == "" ]; then \
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echo 'multiple zreladdrs: $(ZRELADDR)'; \
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echo 'This needs CONFIG_AUTO_ZRELADDR to be set'; \
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false; \
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fi
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$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
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$(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE
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@$(check_for_multiple_zreladdr)
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$(call if_changed,ld)
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@$(check_for_bad_syms)
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