X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=blobdiff_plain;f=Kbuild;h=f056b4feee519748ae6ef22fde3df1da532e177b;hp=79003918f37f2593e157778734f2bb83d131abb1;hb=9a1607071c293e48b08bd703733480b1d55c7b93;hpb=8d36a62364b6b04dc7b0e9fe09f6968f4e5a1f0a diff --git a/Kbuild b/Kbuild index 7900391..f056b4f 100644 --- a/Kbuild +++ b/Kbuild @@ -1,49 +1,98 @@ # # Kbuild for top-level directory of the kernel # This file takes care of the following: -# 1) Generate asm-offsets.h +# 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 $@) + $(call cmd,bounds) + +##### +# 2) Generate asm-offsets.h # -offsets-file := include/asm-$(ARCH)/asm-offsets.h +offsets-file := include/asm/asm-offsets.h + +always += $(offsets-file) +targets += $(offsets-file) +targets += arch/$(SRCARCH)/kernel/asm-offsets.s -always := $(offsets-file) -targets := $(offsets-file) -targets += arch/$(ARCH)/kernel/asm-offsets.s # 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///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 \ + $(obj)/$(bounds-file) 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 $(call cmd,offsets) +##### +# 3) 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) + +# Delete all targets during make clean +clean-files := $(addprefix $(objtree)/,$(filter-out $(bounds-file) $(offsets-file),$(targets)))