##### # 1) Generate asm-offsets.h # offsets-file := include/generated/asm-offsets.h always += $(offsets-file) targets += $(offsets-file) targets += arch/$(SRCARCH)/lib/asm-offsets.s # Default sed regexp - multiline due to syntax constraints 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 __ASM_OFFSETS_H__"; \ echo "#define __ASM_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" ) > $@ endef # We use internal kbuild rules to avoid the "is up to date" message from make arch/$(SRCARCH)/lib/asm-offsets.s: arch/$(SRCARCH)/lib/asm-offsets.c FORCE $(Q)mkdir -p $(dir $@) $(call if_changed_dep,cc_s_c) $(obj)/$(offsets-file): arch/$(SRCARCH)/lib/asm-offsets.s Kbuild $(call cmd,offsets)