1# SPDX-License-Identifier: GPL-2.0
 2OBJECT_FILES_NON_STANDARD := y
 3CFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO)
 4
 5hostprogs-always-y	+= modpost mk_elfconfig
 6always-y		+= empty.o
 7
 8modpost-objs	:= modpost.o file2alias.o sumversion.o
 9
10devicetable-offsets-file := devicetable-offsets.h
11
12$(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s FORCE
13	$(call filechk,offsets,__DEVICETABLE_OFFSETS_H__)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
14
15targets += $(devicetable-offsets-file) devicetable-offsets.s
16
17# dependencies on generated files need to be listed explicitly
18
19$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h
20$(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file)
21
22quiet_cmd_elfconfig = MKELF   $@
23      cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@
24
25$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE
26	$(call if_changed,elfconfig)
27
28targets += elfconfig.h

 1hostprogs-y	:= modpost mk_elfconfig
 2always		:= $(hostprogs-y) empty.o
 
 
 
 
 3
 4modpost-objs	:= modpost.o file2alias.o sumversion.o
 5
 6devicetable-offsets-file := devicetable-offsets.h
 7
 8define sed-y
 9	"/^->/{s:->#\(.*\):/* \1 */:; \
10	s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
11	s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
12	s:->::; p;}"
13endef
14
15quiet_cmd_offsets = GEN     $@
16define cmd_offsets
17	(set -e; \
18	 echo "#ifndef __DEVICETABLE_OFFSETS_H__"; \
19	 echo "#define __DEVICETABLE_OFFSETS_H__"; \
20	 echo "/*"; \
21	 echo " * DO NOT MODIFY."; \
22	 echo " *"; \
23	 echo " * This file was generated by Kbuild"; \
24	 echo " *"; \
25	 echo " */"; \
26	 echo ""; \
27	 sed -ne $(sed-y) $<; \
28	 echo ""; \
29	 echo "#endif" ) > $@
30endef
31
32$(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s
33	$(call if_changed,offsets)
34
35targets += $(devicetable-offsets-file) devicetable-offsets.s
36
37# dependencies on generated files need to be listed explicitly
38
39$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h
40$(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file)
41
42quiet_cmd_elfconfig = MKELF   $@
43      cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@
44
45$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE
46	$(call if_changed,elfconfig)
47
48targets += elfconfig.h