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>
1.4 KiB
hostprogs-y := modpost mk_elfconfig always := $(hostprogs-y) empty.o
modpost-objs := modpost.o file2alias.o sumversion.o
devicetable-offsets-file := devicetable-offsets.h
define sed-y
"/^->/{s:->#.*:/* \1 /:;
s:^->[^ ]* [$$#][-0-9]* .*:#define \1 \2 /* \3 /:;
s:^->[^ ]* [$$#][^ ]* .*:#define \1 \2 /* \3 */:;
s:->::; p;}"
endef
quiet_cmd_offsets = GEN $@
define cmd_offsets
(set -e;
echo "#ifndef DEVICEVTABLE_OFFSETS_H";
echo "#define DEVICEVTABLE_OFFSETS_H";
echo "/*";
echo " * DO NOT MODIFY.";
echo " *";
echo " * This file was generated by Kbuild";
echo " *";
echo " */";
echo "";
sed -ne $(sed-y) $<;
echo "";
echo "#endif" ) > $@
endef
We use internal kbuild rules to avoid the "is up to date" message from make
scripts/mod/devicetable-offsets.s: scripts/mod/devicetable-offsets.c FORCE $(Q)mkdir -p $(dir $@) $(call if_changed_dep,cc_s_c)
$(obj)/$(devicetable-offsets-file): scripts/mod/devicetable-offsets.s $(call cmd,offsets)
dependencies on generated files need to be listed explicitly
$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h $(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file)
quiet_cmd_elfconfig = MKELF $@ cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@
$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE $(call if_changed,elfconfig)
targets += elfconfig.h