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authorIgor Mammedov <niallain@gmail.com>2008-04-28 23:08:21 +0000
committerSteve French <sfrench@us.ibm.com>2008-04-28 23:08:21 +0000
commite9f20d6f03e8df393b001dab6dc5226c2a5daf57 (patch)
tree73e94fa5e4f83576c97e36187b809c5aad2ade30 /Kbuild
parentbf62fd887cab230f5952b611bde25e8e15acb454 (diff)
parente31a94ed371c70855eb30b77c490d6d85dd4da26 (diff)
downloadtalos-op-linux-e9f20d6f03e8df393b001dab6dc5226c2a5daf57.tar.gz
talos-op-linux-e9f20d6f03e8df393b001dab6dc5226c2a5daf57.zip
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'Kbuild')
-rw-r--r--Kbuild62
1 files changed, 51 insertions, 11 deletions
diff --git a/Kbuild b/Kbuild
index 1570d248ad92..32f19c5c9bb0 100644
--- a/Kbuild
+++ b/Kbuild
@@ -1,26 +1,61 @@
#
# Kbuild for top-level directory of the kernel
# This file takes care of the following:
-# 1) Generate asm-offsets.h
-# 2) Check for missing system calls
+# 1) Generate bounds.h
+# 2) Generate asm-offsets.h (may need bounds.h)
+# 3) Check for missing system calls
#####
-# 1) Generate asm-offsets.h
+# 1) Generate bounds.h
+
+bounds-file := include/linux/bounds.h
+
+always := $(bounds-file)
+targets := $(bounds-file) kernel/bounds.s
+
+quiet_cmd_bounds = GEN $@
+define cmd_bounds
+ (set -e; \
+ echo "#ifndef __LINUX_BOUNDS_H__"; \
+ echo "#define __LINUX_BOUNDS_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
+kernel/bounds.s: kernel/bounds.c FORCE
+ $(Q)mkdir -p $(dir $@)
+ $(call if_changed_dep,cc_s_c)
+
+$(obj)/$(bounds-file): kernel/bounds.s Kbuild
+ $(Q)mkdir -p $(dir $@)
+ $(call cmd,bounds)
+
+#####
+# 2) Generate asm-offsets.h
#
offsets-file := include/asm-$(SRCARCH)/asm-offsets.h
-always := $(offsets-file)
-targets := $(offsets-file)
+always += $(offsets-file)
+targets += $(offsets-file)
targets += arch/$(SRCARCH)/kernel/asm-offsets.s
-clean-files := $(addprefix $(objtree)/,$(targets))
+
# Default sed regexp - multiline due to syntax constraints
define sed-y
- "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"
+ "/^->/{s:->#\(.*\):/* \1 */:; \
+ s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
+ s:->::; p;}"
endef
-# Override default regexp for specific architectures
-sed-$(CONFIG_MIPS) := "/^@@@/{s/^@@@//; s/ \#.*\$$//; p;}"
quiet_cmd_offsets = GEN $@
define cmd_offsets
@@ -40,7 +75,8 @@ define cmd_offsets
endef
# We use internal kbuild rules to avoid the "is up to date" message from make
-arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c FORCE
+arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
+ $(obj)/$(bounds-file) FORCE
$(Q)mkdir -p $(dir $@)
$(call if_changed_dep,cc_s_c)
@@ -49,7 +85,7 @@ $(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild
$(call cmd,offsets)
#####
-# 2) Check for missing system calls
+# 3) Check for missing system calls
#
quiet_cmd_syscalls = CALL $<
@@ -58,3 +94,7 @@ quiet_cmd_syscalls = CALL $<
PHONY += missing-syscalls
missing-syscalls: scripts/checksyscalls.sh FORCE
$(call cmd,syscalls)
+
+# Delete all targets during make clean
+clean-files := $(addprefix $(objtree)/,$(targets))
+
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