blob: 197ece85034ba8ad983af531597b6b40610aa2c6 [file] [log] [blame]
Sam Ravnborg86feeaa2005-09-09 19:28:28 +02001#
2# Kbuild for top-level directory of the kernel
3# This file takes care of the following:
4# 1) Generate asm-offsets.h
5
6#####
7# 1) Generate asm-offsets.h
8#
9
10offsets-file := include/asm-$(ARCH)/asm-offsets.h
11
12always := $(offsets-file)
13targets := $(offsets-file)
14targets += arch/$(ARCH)/kernel/asm-offsets.s
15
16quiet_cmd_offsets = GEN $@
17define cmd_offsets
18 cat $< | \
19 (set -e; \
20 echo "#ifndef __ASM_OFFSETS_H__"; \
21 echo "#define __ASM_OFFSETS_H__"; \
22 echo "/*"; \
23 echo " * DO NOT MODIFY."; \
24 echo " *"; \
25 echo " * This file was generated by $(srctree)/Kbuild"; \
26 echo " *"; \
27 echo " */"; \
28 echo ""; \
29 sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \
30 echo ""; \
31 echo "#endif" ) > $@
32endef
33
34# We use internal kbuild rules to avoid the "is up to date" message from make
35arch/$(ARCH)/kernel/asm-offsets.s: arch/$(ARCH)/kernel/asm-offsets.c FORCE
36 $(Q)mkdir -p $(dir $@)
37 $(call if_changed_dep,cc_s_c)
38
39$(srctree)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild
40 $(call cmd,offsets)
41