# 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 asm-offsets.h
#
-offsets-file := include/asm-$(ARCH)/asm-offsets.h
+offsets-file := include/asm-$(SRCARCH)/asm-offsets.h
always := $(offsets-file)
targets := $(offsets-file)
-targets += arch/$(ARCH)/kernel/asm-offsets.s
+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;}"
endef
# Override default regexp for specific architectures
-sed-$(CONFIG_MIPS) := "/^@@@/s///p"
+sed-$(CONFIG_MIPS) := "/^@@@/{s/^@@@//; s/ \#.*\$$//; p;}"
quiet_cmd_offsets = GEN $@
define cmd_offsets
- mkdir -p $(dir $@); \
- cat $< | \
(set -e; \
echo "#ifndef __ASM_OFFSETS_H__"; \
echo "#define __ASM_OFFSETS_H__"; \
echo "/*"; \
echo " * DO NOT MODIFY."; \
echo " *"; \
- echo " * This file was generated by $(srctree)/Kbuild"; \
+ echo " * This file was generated by Kbuild"; \
echo " *"; \
echo " */"; \
echo ""; \
- sed -ne $(sed-y); \
+ sed -ne $(sed-y) $<; \
echo ""; \
echo "#endif" ) > $@
endef
# We use internal kbuild rules to avoid the "is up to date" message from make
-arch/$(ARCH)/kernel/asm-offsets.s: arch/$(ARCH)/kernel/asm-offsets.c FORCE
+arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c FORCE
$(Q)mkdir -p $(dir $@)
$(call if_changed_dep,cc_s_c)
-$(obj)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild
+$(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild
+ $(Q)mkdir -p $(dir $@)
$(call cmd,offsets)
+#####
+# 2) Check for missing system calls
+#
+
+quiet_cmd_syscalls = CALL $<
+ cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags)
+
+PHONY += missing-syscalls
+missing-syscalls: scripts/checksyscalls.sh FORCE
+ $(call cmd,syscalls)