diff options
Diffstat (limited to 'Kbuild')
| -rw-r--r-- | Kbuild | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Kbuild b/Kbuild new file mode 100644 index 0000000000..329609604f --- /dev/null +++ b/Kbuild @@ -0,0 +1,43 @@ +##### +# 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) |