6543becf26
Use the target compiler to compute the offsets for the fields of the device_id structures, so that it won't be broken by different alignments between the host and target ABIs. This also fixes missing endian corrections for some modaliases. Signed-off-by: Andreas Schwab <schwab@linux-m68k.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
51 lines
1.4 KiB
Makefile
51 lines
1.4 KiB
Makefile
hostprogs-y := modpost mk_elfconfig
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always := $(hostprogs-y) empty.o
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modpost-objs := modpost.o file2alias.o sumversion.o
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devicetable-offsets-file := devicetable-offsets.h
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define sed-y
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"/^->/{s:->#\(.*\):/* \1 */:; \
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s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
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s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
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s:->::; p;}"
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endef
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quiet_cmd_offsets = GEN $@
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define cmd_offsets
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(set -e; \
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echo "#ifndef __DEVICEVTABLE_OFFSETS_H__"; \
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echo "#define __DEVICEVTABLE_OFFSETS_H__"; \
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echo "/*"; \
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echo " * DO NOT MODIFY."; \
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echo " *"; \
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echo " * This file was generated by Kbuild"; \
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echo " *"; \
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echo " */"; \
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echo ""; \
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sed -ne $(sed-y) $<; \
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echo ""; \
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echo "#endif" ) > $@
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endef
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# We use internal kbuild rules to avoid the "is up to date" message from make
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scripts/mod/devicetable-offsets.s: scripts/mod/devicetable-offsets.c FORCE
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$(Q)mkdir -p $(dir $@)
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$(call if_changed_dep,cc_s_c)
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$(obj)/$(devicetable-offsets-file): scripts/mod/devicetable-offsets.s
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$(call cmd,offsets)
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# dependencies on generated files need to be listed explicitly
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$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h
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$(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file)
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quiet_cmd_elfconfig = MKELF $@
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cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@
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$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE
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$(call if_changed,elfconfig)
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targets += elfconfig.h
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