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authorMasahiro Yamada <yamada.m@jp.panasonic.com>2015-01-05 15:57:15 +0900
committerMichal Marek <mmarek@suse.cz>2015-01-05 10:40:09 +0100
commit39664e2f3cdef98f42437e903159a6044a1d99d6 (patch)
treecc3df2b6cf8c5d4c6039a680649d363da11afa76 /Kbuild
parent34948e0bbf98640fc1821751b01d2f0cd17d84d5 (diff)
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kbuild: merge bounds.h and asm-offsets.h rules
The rules "cmd_bounds" and "cmd_offsets" are almost the same. (The difference is only the include guards.) They can be merged. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'Kbuild')
-rw-r--r--Kbuild60
1 files changed, 21 insertions, 39 deletions
diff --git a/Kbuild b/Kbuild
index b8b708ad6dc3..3ec73e9c6a68 100644
--- a/Kbuild
+++ b/Kbuild
@@ -5,19 +5,19 @@
# 2) Generate asm-offsets.h (may need bounds.h)
# 3) Check for missing system calls
-#####
-# 1) Generate bounds.h
-
-bounds-file := include/generated/bounds.h
-
-always := $(bounds-file)
-targets := $(bounds-file) kernel/bounds.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_bounds = GEN $@
-define cmd_bounds
+quiet_cmd_offsets = GEN $@
+define cmd_offsets
(set -e; \
- echo "#ifndef __LINUX_BOUNDS_H__"; \
- echo "#define __LINUX_BOUNDS_H__"; \
+ echo "#ifndef $2"; \
+ echo "#define $2"; \
echo "/*"; \
echo " * DO NOT MODIFY."; \
echo " *"; \
@@ -30,6 +30,14 @@ define cmd_bounds
echo "#endif" ) > $@
endef
+#####
+# 1) Generate bounds.h
+
+bounds-file := include/generated/bounds.h
+
+always := $(bounds-file)
+targets := $(bounds-file) kernel/bounds.s
+
# We use internal kbuild rules to avoid the "is up to date" message from make
kernel/bounds.s: kernel/bounds.c FORCE
$(Q)mkdir -p $(dir $@)
@@ -37,7 +45,7 @@ kernel/bounds.s: kernel/bounds.c FORCE
$(obj)/$(bounds-file): kernel/bounds.s Kbuild
$(Q)mkdir -p $(dir $@)
- $(call cmd,bounds)
+ $(call cmd,offsets,__LINUX_BOUNDS_H__)
#####
# 2) Generate asm-offsets.h
@@ -49,32 +57,6 @@ always += $(offsets-file)
targets += $(offsets-file)
targets += arch/$(SRCARCH)/kernel/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)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
$(obj)/$(bounds-file) FORCE
@@ -82,7 +64,7 @@ arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
$(call if_changed_dep,cc_s_c)
$(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild
- $(call cmd,offsets)
+ $(call cmd,offsets,__ASM_OFFSETS_H__)
#####
# 3) Check for missing system calls