build: Move everything criu related into criu directory

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

.gitignore

@@ -6,31 +6,15 @@
 *.out
 *.swp
 *.swo
-*-blob.h
 *.so
 .git-ignore
 *.patch
 *.pyc
-criu
 cscope*
 tags
 TAGS
-Makefile.local
-syscall-x86-64.S
-include/syscall.h
-include/syscall-codes.h
-protobuf/*.c
-protobuf/*.h
-protobuf/google/protobuf/*.c
-protobuf/google/protobuf/*.h
-include/version.h
-arch/x86/sys-exec-tbl.c
-arch/x86/syscalls.S
-pie/pie.lds.S
-pie/piegen/piegen
-include/config.h
-protobuf-desc-gen.h
-criu.pc
-build
+images/*.c
+images/*.h
+images/google/protobuf/*.c
+images/google/protobuf/*.h
 .gitid
-usr/

Documentation/Makefile

--include ../Makefile.inc
+include $(__nmk_dir)/include.mk
+include $(__nmk_dir)/macro.mk
 
 ASCIIDOC	:= asciidoc
 A2X		:= a2x
@@ -9,10 +10,9 @@ XMLS		:= $(patsubst %.txt,%.xml,$(SRC))
 MANS		:= $(patsubst %.txt,%.8,$(SRC))
 MAN8DIR		:= $(MANDIR)/man8
 
-GROFF=groff
-PAPER=$(shell paperconf 2>/dev/null || echo letter)
-GROFF_OPTS	:= -Tps -t -dpaper=$(PAPER) -P-p$(PAPER) \
-		   -man -msafer -rC1 -rD1 -rS11
+GROFF		:=groff
+PAPER		:=$(shell paperconf 2>/dev/null || echo letter)
+GROFF_OPTS	:= -Tps -t -dpaper=$(PAPER) -P-p$(PAPER) -man -msafer -rC1 -rD1 -rS11
 PSS		:= $(MANS:%.8=%.ps)
 PDFS		:= $(MANS:%.8=%.pdf)
 
@@ -27,20 +27,20 @@ check:
 	done
 
 %.8: %.txt
-	$(E) "  GEN     " $@
+	$(call msg-gen, $@)
 	$(Q) $(ASCIIDOC) -b docbook -d manpage -o $(patsubst %.8,%.xml,$@) $<
 	$(Q) $(XMLTO) man --skip-validation $(patsubst %.8,%.xml,$@) 2>/dev/null
 
 %.ps: %.8
-	$(E) "  GEN     " $@
+	$(call msg-gen, $@)
 	$(Q) $(GROFF) $(GROFF_OPTS) $^ > $@
 
 %.pdf: %.ps
-	$(E) "  GEN     " $@
+	$(call msg-gen, $@)
 	$(Q) ps2pdf $< $@
 
 clean:
-	$(E) "  CLEAN   "
+	$(call msg-clean, "Documentation")
 	$(Q) rm -f $(XMLS) $(MANS) $(PSS) $(PDFS)
 
 install: $(MANS)

Makefile.crtools

-obj-y	+= parasite-syscall.o
-obj-y	+= mem.o
-obj-y	+= rst-malloc.o
-obj-y	+= cr-restore.o
-obj-y	+= crtools.o
-obj-y	+= image.o
-obj-y	+= image-desc.o
-obj-y	+= net.o
-obj-y	+= tun.o
-obj-y	+= proc_parse.o
-obj-y	+= sysfs_parse.o
-obj-y	+= cr-dump.o
-obj-y	+= cr-show.o
-obj-y	+= cr-check.o
-obj-y	+= cr-dedup.o
-obj-y	+= util.o
-obj-y	+= bfd.o
-obj-y	+= action-scripts.o
-obj-y	+= sysctl.o
-obj-y	+= ptrace.o
-obj-y	+= kcmp-ids.o
-obj-y	+= rbtree.o
-obj-y	+= log.o
-obj-y	+= libnetlink.o
-obj-y	+= sockets.o
-obj-y	+= sk-inet.o
-obj-y	+= sk-tcp.o
-obj-y	+= sk-unix.o
-obj-y	+= sk-packet.o
-obj-y	+= sk-netlink.o
-obj-y	+= sk-queue.o
-obj-y	+= files.o
-obj-y	+= files-reg.o
-obj-y	+= files-ext.o
-obj-y	+= pipes.o
-obj-y	+= fifo.o
-obj-y	+= file-ids.o
-obj-y	+= namespaces.o
-obj-y	+= uts_ns.o
-obj-y	+= ipc_ns.o
-obj-y	+= netfilter.o
-obj-y	+= shmem.o
-obj-y	+= eventfd.o
-obj-y	+= eventpoll.o
-obj-y	+= mount.o
-obj-y	+= fsnotify.o
-obj-y	+= irmap.o
-obj-y	+= signalfd.o
-obj-y	+= pstree.o
-obj-y	+= bitmap.o
-obj-y	+= protobuf.o
-obj-y	+= protobuf-desc.o
-obj-y	+= tty.o
-obj-y	+= cr-exec.o
-obj-y	+= file-lock.o
-obj-y	+= page-pipe.o
-obj-y	+= page-xfer.o
-obj-y	+= page-read.o
-obj-y	+= pagemap-cache.o
-obj-y	+= kerndat.o
-obj-y	+= stats.o
-obj-y	+= cgroup.o
-obj-y	+= timerfd.o
-obj-y	+= aio.o
-obj-y	+= string.o
-obj-y	+= sigframe.o
-obj-y	+= lsm.o
-ifeq ($(VDSO),y)
-obj-y	+= vdso.o
-obj-y	+= pie/util-vdso.o
-endif
-obj-y	+= cr-service.o
-obj-y	+= plugin.o
-obj-y	+= cr-errno.o
-obj-y	+= pie/pie-relocs.o
-obj-y	+= seize.o
-obj-y	+= fault-injection.o
-obj-y	+= pie/util-fd.o
-obj-y	+= pie/util.o
-obj-y	+= seccomp.o
-
-ifneq ($(MAKECMDGOALS),clean)
-incdeps := y
-endif
-
-PROTOBUF_GEN := scripts/protobuf-gen.sh
-
-protobuf-desc.c: protobuf-desc-gen.h
-
-protobuf-desc-gen.h: $(PROTOBUF_GEN) include/protobuf-desc.h
-	$(E) "  GEN     " $@
-	$(Q) $(SH) $(obj)/$(PROTOBUF_GEN) > $@
-
-cleanup-y += protobuf-desc-gen.h

Makefile.inc

-# Installation paths
-PREFIX		?= /usr/local
-SBINDIR		?= $(PREFIX)/sbin
-MANDIR		?= $(PREFIX)/share/man
-SYSTEMDUNITDIR	?= $(PREFIX)/lib/systemd/system/
-LOGROTATEDIR	?= $(PREFIX)/etc/logrotate.d/
-LIBDIR		?= $(PREFIX)/lib
-# For recent Debian/Ubuntu with multiarch support
-DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture \
-			-qDEB_HOST_MULTIARCH 2>/dev/null)
-ifneq "$(DEB_HOST_MULTIARCH)" ""
-LIBDIR		?= $(PREFIX)/lib/$(DEB_HOST_MULTIARCH)
-# For most other systems
-else ifeq "$(shell uname -m)" "x86_64"
-LIBDIR		?= $(PREFIX)/lib64
-endif
-
-INCLUDEDIR	?= $(PREFIX)/include/criu

Makefile.install

+install: install-criu install-man
+
+install-criu: all $(CRIU-LIB) install-crit
+	$(E) "  INSTALL " $(PROGRAM)
+	$(Q) mkdir -p $(DESTDIR)$(SBINDIR)
+	$(Q) install -m 755 $(PROGRAM) $(DESTDIR)$(SBINDIR)
+	$(Q) mkdir -p $(DESTDIR)$(LIBDIR)
+	$(Q) install -m 755 $(CRIU-LIB) \
+		$(DESTDIR)$(LIBDIR)/$(CRIU-SO).so.$(VERSION_SO_MAJOR).$(VERSION_SO_MINOR)
+	$(Q) ln -fns $(CRIU-SO).so.$(VERSION_SO_MAJOR).$(VERSION_SO_MINOR) \
+		$(DESTDIR)$(LIBDIR)/$(CRIU-SO).so.$(VERSION_SO_MAJOR)
+	$(Q) ln -fns $(CRIU-SO).so.$(VERSION_SO_MAJOR).$(VERSION_SO_MINOR) \
+		$(DESTDIR)$(LIBDIR)/$(CRIU-SO).so
+	$(Q) mkdir -p $(DESTDIR)$(INCLUDEDIR)
+	$(Q) install -m 644 $(CRIU-INC) $(DESTDIR)$(INCLUDEDIR)
+	$(Q) mkdir -p $(DESTDIR)$(SYSTEMDUNITDIR)
+	$(Q) sed -e 's,@version@,$(CRTOOLSVERSION),' \
+		-e 's,@libdir@,$(LIBDIR),' \
+		-e 's,@includedir@,$(dir $(INCLUDEDIR)),' \
+		lib/criu.pc.in > criu.pc
+	$(Q) mkdir -p $(DESTDIR)$(LIBDIR)/pkgconfig
+	$(Q) install -m 644 criu.pc $(DESTDIR)$(LIBDIR)/pkgconfig
+
+install-man:
+	$(Q) $(MAKE) -C Documentation install
+
+install-crit: crit
+	$(E) "  INSTALL crit"
+	$(Q) python scripts/crit-setup.py install --root=$(DESTDIR) --prefix=$(PREFIX)
+
+.PHONY: install install-man install-crit install-criu

arch/aarch64/Makefile

-targets		+= syscalls
-targets		+= crtools
-
-SYS-ASM		:= syscalls.S
-
-syscalls-asm-y	+= $(SYS-ASM:.S=).o
-crtools-obj-y	+= crtools.o
-crtools-obj-y	+= cpu.o
-
-SYS-DEF		:= ../arm/syscall.def
-SYS-ASM-COMMON	:= syscall-common.S
-SYS-TYPES	:= include/syscall-types.h
-
-SYS-CODES	:= include/syscall-codes.h
-SYS-PROTO	:= include/syscall.h
-
-SYS-GEN		:= ../scripts/arm/gen-syscalls.pl
-SYS-GEN-TBL	:= ../scripts/arm/gen-sys-exec-tbl.pl
-
-SYS-EXEC-TBL	:= sys-exec-tbl.c
-
-syscalls-asm-y-asmflags		+= -fpie -Wstrict-prototypes -Wa,--noexecstack
-syscalls-asm-y-asmflags		+= -nostdlib -fomit-frame-pointer -I$(obj)
-ASMFLAGS	+= -D__ASSEMBLY__
-
-ARCH_BITS	:= 64
-
-$(obj)/$(SYS-ASM): $(obj)/$(SYS-GEN) $(obj)/$(SYS-DEF) $(obj)/$(SYS-ASM-COMMON) $(SYS-TYPES)
-	$(E) "  GEN     " $@
-	$(Q) perl			\
-		$(obj)/$(SYS-GEN)	\
-		$(obj)/$(SYS-DEF)	\
-		$(SYS-CODES)		\
-		$(SYS-PROTO)		\
-		$(obj)/$(SYS-ASM)	\
-		$(SYS-ASM-COMMON)	\
-		$(SYS-TYPES)		\
-		$(ARCH_BITS)
-
-$(obj)/syscalls.o: $(obj)/$(SYS-ASM)
-
-$(obj)/$(SYS-EXEC-TBL): $(obj)/$(SYS-GEN-TBL) $(obj)/$(SYS-DEF)
-	$(E) "  GEN     " $@
-	$(Q) perl			\
-		$(obj)/$(SYS-GEN-TBL)	\
-		$(obj)/$(SYS-DEF)	\
-		$(obj)/$(SYS-EXEC-TBL)	\
-		$(ARCH_BITS)
-
-_all += $(obj)/$(SYS-EXEC-TBL)
-
-cleanup-y += $(obj)/$(SYS-EXEC-TBL) $(obj)/$(SYS-ASM)
-cleanup-y += $(SYS-CODES)
-cleanup-y += $(SYS-PROTO)
-
-ifneq ($(MAKECMDGOALS),clean)
-deps-after := $(obj)/$(SYS-ASM)
-incdeps := y
-endif

arch/arm/Makefile

-targets		+= syscalls
-targets		+= crtools
-
-SYS-ASM		:= syscalls.S
-
-syscalls-asm-y	+= $(SYS-ASM:.S=).o
-crtools-obj-y	+= crtools.o
-crtools-obj-y	+= cpu.o
-
-SYS-DEF		:= syscall.def
-SYS-ASM-COMMON	:= syscall-common.S
-SYS-TYPES	:= include/syscall-types.h
-
-SYS-CODES	:= include/syscall-codes.h
-SYS-PROTO	:= include/syscall.h
-
-SYS-GEN		:= ../scripts/arm/gen-syscalls.pl
-SYS-GEN-TBL	:= ../scripts/arm/gen-sys-exec-tbl.pl
-
-SYS-EXEC-TBL	:= sys-exec-tbl.c
-
-syscalls-asm-y-asmflags		+= -fpie -Wstrict-prototypes -Wa,--noexecstack
-syscalls-asm-y-asmflags		+= -nostdlib -fomit-frame-pointer -I$(obj)
-ASMFLAGS	+= -D__ASSEMBLY__
-
-ARCH_BITS	:= 32
-
-$(obj)/$(SYS-ASM): $(obj)/$(SYS-GEN) $(obj)/$(SYS-DEF) $(obj)/$(SYS-ASM-COMMON) $(SYS-TYPES)
-	$(E) "  GEN     " $@
-	$(Q) perl			\
-		$(obj)/$(SYS-GEN)	\
-		$(obj)/$(SYS-DEF)	\
-		$(SYS-CODES)		\
-		$(SYS-PROTO)		\
-		$(obj)/$(SYS-ASM)	\
-		$(SYS-ASM-COMMON)	\
-		$(SYS-TYPES)		\
-		$(ARCH_BITS)
-
-$(obj)/syscalls.o: $(obj)/$(SYS-ASM)
-
-$(obj)/$(SYS-EXEC-TBL): $(obj)/$(SYS-GEN-TBL) $(obj)/$(SYS-DEF)
-	$(E) "  GEN     " $@
-	$(Q) perl			\
-		$(obj)/$(SYS-GEN-TBL)	\
-		$(obj)/$(SYS-DEF)	\
-		$(obj)/$(SYS-EXEC-TBL)	\
-		$(ARCH_BITS)
-
-_all += $(obj)/$(SYS-EXEC-TBL)
-
-cleanup-y += $(obj)/$(SYS-EXEC-TBL) $(obj)/$(SYS-ASM)
-cleanup-y += $(SYS-CODES)
-cleanup-y += $(SYS-PROTO)
-
-ifneq ($(MAKECMDGOALS),clean)
-deps-after := $(obj)/$(SYS-ASM)
-incdeps := y
-endif

arch/ppc64/Makefile

-targets		+= syscalls
-targets		+= crtools
-
-SYS-ASM		:= syscalls.S
-
-syscalls-asm-y	+= $(SYS-ASM:.S=).o
-crtools-obj-y	+= crtools.o
-crtools-obj-y	+= cpu.o
-
-SYS-DEF		:= syscall-ppc64.def
-SYS-ASM-COMMON	:= syscall-common-ppc64.S
-
-SYS-TYPES	:= include/syscall-types.h
-SYS-CODES	:= include/syscall-codes.h
-SYS-PROTO	:= include/syscall.h
-
-SYS-GEN		:= syscalls-ppc64.sh
-
-SYS-EXEC-TBL	:= sys-exec-tbl.c
-
-syscalls-asm-y-asmflags	:= -fpie -Wstrict-prototypes -Wa,--noexecstack
-syscalls-asm-y-asmflags += -nostdlib -fomit-frame-pointer -I$(obj)
-
-ASMFLAGS	+= -D__ASSEMBLY__
-
-$(obj)/$(SYS-ASM): $(obj)/$(SYS-GEN) $(obj)/$(SYS-DEF) $(obj)/$(SYS-ASM-COMMON) $(SYS-TYPES)
-	$(E) "  GEN     " $@
-	$(Q) $(SH)				\
-		$(obj)/$(SYS-GEN) --asm		\
-		$(obj)/$(SYS-DEF)		\
-		$(SYS-CODES)			\
-		$(SYS-PROTO)			\
-		$(obj)/$(SYS-ASM)		\
-		$(SYS-ASM-COMMON)		\
-		$(SYS-TYPES)
-
-$(obj)/syscalls.o: $(obj)/$(SYS-ASM)
-
-$(obj)/$(SYS-EXEC-TBL): $(obj)/$(SYS-GEN) $(obj)/$(SYS-DEF)
-	$(E) "  GEN     " $@
-	$(Q) $(SH)				\
-		$(obj)/$(SYS-GEN) --exec	\
-		$(obj)/$(SYS-DEF)		\
-		$(obj)/$(SYS-EXEC-TBL)
-
-_all += $(obj)/$(SYS-EXEC-TBL)
-
-cleanup-y += $(obj)/$(SYS-EXEC-TBL) $(obj)/$(SYS-ASM)
-cleanup-y += $(SYS-CODES)
-cleanup-y += $(SYS-PROTO)
-
-ifneq ($(MAKECMDGOALS),clean)
-deps-after := $(obj)/$(SYS-ASM)
-incdeps := y
-endif

arch/ppc64/syscalls-ppc64.sh

-#!/bin/sh
-
-gen_asm() {
-	in=$1
-	codesout=$2
-	codesinc=`echo $2 | sed -e 's/.*include\///g'`
-	protosout=$3
-	asmout=$4
-	asmcommon=`echo $5 | sed -e 's/.*include\///g'`
-	prototypes=`echo $6 | sed -e 's/.*include\///g'`
-
-	codesdef=`echo $codesout | sed -e 's/.*include\///g' | tr "[[:space:]].-" _`
-	protosdef=`echo $protosout | sed -e 's/.*include\///g' | tr "[[:space:]].-" _`
-
-	echo "/* Autogenerated, don't edit */"	>  $codesout
-	echo "#ifndef $codesdef"		>> $codesout
-	echo "#define $codesdef"		>> $codesout
-
-	echo "/* Autogenerated, don't edit */"	>  $protosout
-	echo "#ifndef $protosdef"		>> $protosout
-	echo "#define $protosdef"		>> $protosout
-	echo "#ifndef CR_NOGLIBC"		>> $protosout
-	echo "#error This file should only be used in the parasite code" >> $protosout
-	echo "#endif"				>> $protosout
-	echo "#include \"$prototypes\""		>> $protosout
-	echo "#include \"$codesinc\""		>> $protosout
-
-	echo "/* Autogenerated, don't edit */"	>  $asmout
-	echo "#include \"$codesinc\""		>> $asmout
-	echo "#include \"$asmcommon\""		>> $asmout
-
-	cat $in | egrep -v '^#' | sed -e 's/\t\{1,\}/|/g' | awk -F '|' '{print "#define", $1, $2}'		>> $codesout
-	cat $in | egrep -v '^#' | sed -e 's/\t\{1,\}/|/g' | awk -F '|' '{print "extern long ", $3, $4, ";"}'	>> $protosout
-	cat $in | egrep -v '^#' | sed -e 's/\t\{1,\}/|/g' | awk -F '|' '{print "SYSCALL(", $3, ",", $2, ")"}'	>> $asmout
-
-	echo "#endif /* $codesdef */"		>> $codesout
-	echo "#endif /* $protosdef */"		>> $protosout
-}
-
-gen_exec() {
-	in=$1
-	codecout=$2
-
-	echo "/* Autogenerated, don't edit */"	>  $codecout
-
-	cat $in | egrep -v '^#' | sed -e 's/\t\{1,\}/|/g' | awk -F '|' '{print "SYSCALL(", substr($3, 5), ",", $2, ")"}' >> $codecout
-}
-
-if [ "$1" = "--asm" ]; then
-	shift
-	gen_asm $@
-fi
-
-if [ "$1" = "--exec" ]; then
-	shift
-	gen_exec $@
-fi

criu/Makefile

+#
+# CRIU version.
+VERSION_MAJOR		:= 2
+VERSION_MINOR		:= 0
+VERSION_SUBLEVEL	:=
+VERSION_EXTRA		:=
+VERSION_NAME		:=
+
+export VERSION_MAJOR VERSION_MINOR
+export VERSION_SUBLEVEL VERSION_EXTRA VERSION_NAME
+
+#
+# HOST part is needed to build helper
+# tools such as piegen.
+HOSTCC			?= gcc
+HOSTLD			?= ld
+HOSTCFLAGS		?= $(CFLAGS)
+CFLAGS			+= $(USERCFLAGS)
+
+export HOSTCC HOSTLD HOSTCFLAGS
+
+ifeq ($(ARCH),x86)
+        SRCARCH		:= x86
+        LDARCH		:= i386:x86-64
+        VDSO		:= y
+endif
+
+ifeq ($(ARCH),arm)
+        SRCARCH		:= arm
+endif
+
+ifeq ($(ARCH),arm64)
+        ARCH		:= aarch64
+        SRCARCH		:= aarch64
+        VDSO		:= y
+endif
+
+ifeq ($(ARCH),powerpc)
+        ARCH		:= ppc64
+        SRCARCH		:= ppc64
+        LDARCH		:= powerpc:common64
+        VDSO		:= y
+endif
+
+LDARCH ?= $(SRCARCH)
+
+export SRCARCH LDARCH VDSO
+
+SRCARCH			?= $(ARCH)
+LDARCH			?= $(SRCARCH)
+ARCH_DIR		:= arch/$(SRCARCH)
+
+export SRCARCH LDARCH ARCH_DIR VDSO
+
+$(if $(wildcard $(ARCH_DIR)),,$(error "The architecture $(ARCH) isn't supported"))
+
+#
+# General flags.
+ccflags-y		+= -fno-strict-aliasing
+ccflags-y		+= -iquote $(SRC_DIR)/criu/include
+ccflags-y		+= -iquote $(SRC_DIR)/images
+ccflags-y		+= -iquote $(SRC_DIR)/criu/pie
+ccflags-y		+= -iquote $(SRC_DIR)/criu/$(ARCH_DIR)
+ccflags-y		+= -iquote $(SRC_DIR)/criu/$(ARCH_DIR)/include
+ccflags-y		+= -iquote $(SRC_DIR)/
+ccflags-y		+= -I/usr/include/libnl3
+
+export ccflags-y
+
+LIBS			:= -lrt -lpthread -lprotobuf-c -ldl -lnl-3
+
+ifeq ($(GMON),1)
+	CFLAGS		+= -pg
+	GMONLDOPT	:= -pg
+endif
+
+#
+# piegen tool might be disabled by hands. Don't use it until
+# you know what you're doing.
+ifneq ($(filter ia32 x86 ppc64,$(ARCH)),)
+        ifneq ($(PIEGEN),no)
+                piegen-y := y
+                export piegen-y
+        endif
+endif
+
+#
+# Version header file.
+include Makefile.version
+
+#
+# Configure variables.
+include Makefile.config
+config: $(VERSION_HEADER)
+
+#
+# System calls library.
+SYSCALL-LIB		:= $(ARCH_DIR)/syscalls.built-in.o
+$(SYSCALL-LIB): config
+	$(Q) $(MAKE) $(call build-as,Makefile.syscalls,$(ARCH_DIR)) all
+PHONY += $(SYSCALL-LIB)
+
+#
+# Architecture dependant part.
+ARCH-LIB		:= $(ARCH_DIR)/crtools.built-in.o
+$(ARCH-LIB): config $(SYSCALL-LIB)
+	$(Q) $(MAKE) $(call build-as,Makefile,$(ARCH_DIR)) $@
+PHONY += $(ARCH-LIB)
+
+#
+# piegen tool needed for PIE code.
+ifeq ($(piegen-y),y)
+piegen			:= pie/piegen/piegen
+
+pie/piegen/%: config
+	$(Q) CC=$(HOSTCC) LD=$(HOSTLD) CFLAGS="$(HOSTCFLAGS) $(WARNINGS) $(DEFINES)" $(MAKE) $(build)=pie/piegen $@
+pie/piegen: config
+	$(Q) CC=$(HOSTCC) LD=$(HOSTLD) CFLAGS="$(HOSTCFLAGS) $(WARNINGS) $(DEFINES)" $(MAKE) $(build)=pie/piegen all
+$(piegen): pie/piegen/built-in.o
+	$(call msg-link, $@)
+	$(Q) $(HOSTCC) $(HOSTCFLAGS) $^ $(LDFLAGS) -o $@
+PHONY += pie/piegen
+endif
+
+#
+# PIE library code.
+pie/lib.a: $(ARCH-LIB)
+	$(Q) $(MAKE) $(call build-as,Makefile.library,pie) all
+
+#
+# PIE code blobs themseves.
+pie: $(ARCH_DIR) $(piegen) pie/lib.a
+	$(Q) $(MAKE) $(build)=pie all
+PHONY += pie
+
+#
+# CRIU executable
+PROGRAM-BUILTINS	+= ../images/built-in.o
+PROGRAM-BUILTINS	+= built-in.o
+PROGRAM-BUILTINS	+= pie/lib.a
+PROGRAM-BUILTINS	+= $(SYSCALL-LIB)
+
+LIBS			+= arch/$(ARCH)/crtools.built-in.o
+
+built-in.o: pie/lib.a
+	$(Q) $(MAKE) $(call build-as,Makefile.crtools,.) all
+
+criu: $(PROGRAM-BUILTINS) built-in.o
+	$(call msg-link, $@)
+	$(Q) $(CC) $(CFLAGS) $^ $(LIBS) $(LDFLAGS) $(GMONLDOPT) -rdynamic -o $@
+PHONY += criu
+
+#
+# Cleanup everything.
+clean:
+	$(Q) $(MAKE) $(call build-as,Makefile.syscalls,$(ARCH_DIR)) $@
+	$(Q) $(MAKE) $(call build-as,Makefile.library,pie) $@
+	$(Q) $(MAKE) $(call build-as,Makefile.crtools,.) $@
+	$(Q) $(MAKE) $(build)=pie/piegen $@
+	$(Q) $(MAKE) $(build)=pie $@
+	$(Q) $(RM) ./*.{gcda,gcno,gcov}
+	$(Q) $(RM) ./pie/*.{gcda,gcno,gcov}
+	$(Q) $(RM) ./pie/piegen/*.{gcda,gcno,gcov}
+	$(Q) $(RM) -r ./gcov
+	$(Q) $(RM) $(VERSION_HEADER)
+	$(Q) $(RM) $(CONFIG_HEADER)
+
+#
+# Final @all target.
+all: $(PHONY)
+	@true
+
+.PHONY: $(PHONY) clean

Makefile.config → criu/Makefile.config

-include scripts/utilities.mak
-include scripts/feature-tests.mak
+include $(__nmk_dir)/utils.mk
+include ../scripts/feature-tests.mak
 
-CONFIG		:= include/config.h
+CONFIG_HEADER := include/config.h
 
 ifeq ($(call try-cc,$(LIBBSD_DEV_TEST),-lbsd),y)
-	LIBS += -lbsd
-	DEFINES += -DCONFIG_HAS_LIBBSD
+        LIBS	+= -lbsd
+        DEFINES	+= -DCONFIG_HAS_LIBBSD
 endif
 
 ifeq ($(call pkg-config-check,libselinux),y)
-	LIBS := -lselinux $(LIBS)
-	DEFINES += -DCONFIG_HAS_SELINUX
+        LIBS	+= -lselinux $(LIBS)
+        DEFINES	+= -DCONFIG_HAS_SELINUX
 endif
 
-$(CONFIG): scripts/utilities.mak scripts/feature-tests.mak include/config-base.h
-	$(E) "  GEN     " $@
+$(CONFIG_HEADER): include/config-base.h
+	$(call msg-gen, $@)
 	$(Q) @echo '#ifndef __CR_CONFIG_H__' > $@
 	$(Q) @echo '#define __CR_CONFIG_H__' >> $@
 	$(Q) @echo '' >> $@
 	$(Q) @echo '#include "config-base.h"' >> $@
 	$(Q) @echo '' >> $@
-ifeq ($(call try-cc,$(TCP_REPAIR_TEST),),y)
+ifeq ($(call try-cc,$(TCP_REPAIR_TEST),,$(DEFINES)),y)
 	$(Q) @echo '#define CONFIG_HAS_TCP_REPAIR' >> $@
+	$(Q) @echo '' >> $@
 endif
-ifeq ($(call try-cc,$(PRLIMIT_TEST),),y)
+ifeq ($(call try-cc,$(PRLIMIT_TEST),,$(DEFINES)),y)
 	$(Q) @echo '#define CONFIG_HAS_PRLIMIT' >> $@
+	$(Q) @echo '' >> $@
 endif
-ifeq ($(call try-cc,$(STRLCPY_TEST),$(LIBS)),y)
+ifeq ($(call try-cc,$(STRLCPY_TEST),$(LIBS),$(DEFINES)),y)
 	$(Q) @echo '#define CONFIG_HAS_STRLCPY' >> $@
+	$(Q) @echo '' >> $@
 endif
-ifeq ($(call try-cc,$(STRLCAT_TEST),$(LIBS)),y)
+ifeq ($(call try-cc,$(STRLCAT_TEST),$(LIBS),$(DEFINES)),y)
 	$(Q) @echo '#define CONFIG_HAS_STRLCAT' >> $@
+	$(Q) @echo '' >> $@
 endif
-ifeq ($(call try-cc,$(PTRACE_PEEKSIGINFO_TEST),),y)
+ifeq ($(call try-cc,$(PTRACE_PEEKSIGINFO_TEST),,$(DEFINES)),y)
 	$(Q) @echo '#define CONFIG_HAS_PEEKSIGINFO_ARGS' >> $@
+	$(Q) @echo '' >> $@
 endif
 ifeq ($(VDSO),y)
 	$(Q) @echo '#define CONFIG_VDSO' >> $@
+	$(Q) @echo '' >> $@
 endif
-ifeq ($(call try-cc,$(SETPROCTITLE_INIT_TEST),-lbsd),y)
+ifeq ($(call try-cc,$(SETPROCTITLE_INIT_TEST),-lbsd,$(DEFINES)),y)
 	$(Q) @echo '#define CONFIG_HAS_SETPROCTITLE_INIT' >> $@
+	$(Q) @echo '' >> $@
 endif
 ifeq ($(call try-cc,$(MEMFD_TEST),),y)
 	$(Q) @echo '#define CONFIG_HAS_MEMFD' >> $@
 endif
 ifeq ($(piegen-y),y)
 	$(Q) @echo '#define CONFIG_PIEGEN' >> $@
+	$(Q) @echo '' >> $@
 endif
 	$(Q) @echo '#endif /* __CR_CONFIG_H__ */' >> $@
 
-config: $(CONFIG)
-
-.PHONY: config
+config: $(CONFIG_HEADER)
+PHONY += config

criu/Makefile.crtools

+ccflags-y		+= -iquote $(ARCH)
+obj-y			+= action-scripts.o
+obj-y			+= aio.o
+obj-y			+= bfd.o
+obj-y			+= bitmap.o
+obj-y			+= cgroup.o
+obj-y			+= cr-check.o
+obj-y			+= cr-dedup.o
+obj-y			+= cr-dump.o
+obj-y			+= cr-errno.o
+obj-y			+= cr-exec.o
+obj-y			+= cr-restore.o
+obj-y			+= cr-service.o
+obj-y			+= cr-show.o
+obj-y			+= crtools.o
+obj-y			+= eventfd.o
+obj-y			+= eventpoll.o
+obj-y			+= fault-injection.o
+obj-y			+= fifo.o
+obj-y			+= file-ids.o
+obj-y			+= file-lock.o
+obj-y			+= files-ext.o
+obj-y			+= files.o
+obj-y			+= files-reg.o
+obj-y			+= fsnotify.o
+obj-y			+= image-desc.o
+obj-y			+= image.o
+obj-y			+= ipc_ns.o
+obj-y			+= irmap.o
+obj-y			+= kcmp-ids.o
+obj-y			+= kerndat.o
+obj-y			+= libnetlink.o
+obj-y			+= log.o
+obj-y			+= lsm.o
+obj-y			+= mem.o
+obj-y			+= mount.o
+obj-y			+= namespaces.o
+obj-y			+= netfilter.o
+obj-y			+= net.o
+obj-y			+= pagemap-cache.o
+obj-y			+= page-pipe.o
+obj-y			+= page-read.o
+obj-y			+= page-xfer.o
+obj-y			+= parasite-syscall.o
+obj-y			+= pie/pie-relocs.o
+obj-y			+= pie-util-fd.o
+obj-y			+= pie-util.o
+obj-y			+= pipes.o
+obj-y			+= plugin.o
+obj-y			+= proc_parse.o
+obj-y			+= protobuf-desc.o
+obj-y			+= protobuf.o
+obj-y			+= pstree.o
+obj-y			+= ptrace.o
+obj-y			+= rbtree.o
+obj-y			+= rst-malloc.o
+obj-y			+= seccomp.o
+obj-y			+= seize.o
+obj-y			+= shmem.o
+obj-y			+= sigframe.o
+obj-y			+= signalfd.o
+obj-y			+= sk-inet.o
+obj-y			+= sk-netlink.o
+obj-y			+= sk-packet.o
+obj-y			+= sk-queue.o
+obj-y			+= sk-tcp.o
+obj-y			+= sk-unix.o
+obj-y			+= sockets.o
+obj-y			+= stats.o
+obj-y			+= string.o
+obj-y			+= sysctl.o
+obj-y			+= sysfs_parse.o
+obj-y			+= timerfd.o
+obj-y			+= tty.o
+obj-y			+= tun.o
+obj-y			+= util.o
+obj-y			+= uts_ns.o
+
+ifeq ($(VDSO),y)
+obj-y			+= pie-util-vdso.o
+obj-y			+= vdso.o
+endif
+
+PROTOBUF_GEN := $(SRC_DIR)/scripts/protobuf-gen.sh
+
+protobuf-desc.c: protobuf-desc-gen.h
+
+protobuf-desc-gen.h: $(PROTOBUF_GEN) include/protobuf-desc.h
+	$(call msg-gen, $@)
+	$(Q) $(SH) $(PROTOBUF_GEN) > $@
+
+cleanup-y += protobuf-desc-gen.h

scripts/Makefile.version → criu/Makefile.version

 CRTOOLSVERSION		:= $(VERSION_MAJOR)$(if $(VERSION_MINOR),.$(VERSION_MINOR))$(if $(VERSION_SUBLEVEL),.$(VERSION_SUBLEVEL))
-
-VERSION_HEADER := include/version.h
-GITID_FILE := .gitid
-GITID := $(shell if [ -d ".git" ]; then git describe; fi)
+VERSION_HEADER		:= include/version.h
+GITID_FILE		:= ../.gitid
+GITID			:= $(shell if [ -d "../.git" ]; then cd .. && git describe; fi)
 
 ifeq ($(GITID),)
-	GITID := 0
+        GITID := 0
 else
-        GITID_FILE_VALUE := $(shell if [ -f '.gitid' ]; then if [ `cat .gitid` = $(GITID) ]; then echo y; fi; fi)
+        GITID_FILE_VALUE := $(shell if [ -f '$(GITID_FILE)' ]; then if [ `cat '$(GITID_FILE)'` = $(GITID) ]; then echo y; fi; fi)
         ifneq ($(GITID_FILE_VALUE),y)
                 .PHONY: $(GITID_FILE)
         endif
 endif
 
 $(GITID_FILE):
-	$(E) "  GEN     " $@
+	$(call msg-gen, $@)
 	$(Q) echo "$(GITID)" > $(GITID_FILE)
 
-$(VERSION_HEADER): Makefile scripts/Makefile.version $(GITID_FILE)
-	$(E) "  GEN     " $@
+$(VERSION_HEADER): Makefile.version $(GITID_FILE)
+	$(call msg-gen, $@)
 	$(Q) echo "/* Autogenerated, do not edit */"			 > $(VERSION_HEADER)
 	$(Q) echo "#ifndef __CR_VERSION_H__"				>> $(VERSION_HEADER)
 	$(Q) echo "#define __CR_VERSION_H__"				>> $(VERSION_HEADER)
@@ -28,9 +27,5 @@ $(VERSION_HEADER): Makefile scripts/Makefile.version $(GITID_FILE)
 	$(Q) echo "#define CRIU_GITID \"$(GITID)\""			>> $(VERSION_HEADER)
 	$(Q) echo "#endif /* __CR_VERSION_H__ */"			>> $(VERSION_HEADER)
 
-##
-## In case if someone add last resort rule
-## together with .SUFFIXES not cleaned, this
-## will slow down the build procedure
-scripts/Makefile.version::
+Makefile.version:
 	@true

criu/arch/aarch64/Makefile

+builtin-name		:= crtools.built-in.o
+
+ccflags-y		+= -iquote $(obj) -iquote $(SRC_DIR)
+ccflags-y		+= -iquote $(obj)/include -iquote $(SRC_DIR)/criu/include
+
+obj-y			+= cpu.o
+obj-y			+= crtools.o

criu/arch/aarch64/Makefile.syscalls

+builtin-name		:= syscalls.built-in.o
+
+SYS-TYPES		:= ../../include/syscall-types.h
+SYS-CODES		:= ../../include/syscall-codes.h
+SYS-PROTO		:= ../../include/syscall.h
+
+SYS-DEF			:= syscall.def
+SYS-ASM-COMMON		:= syscall-common.S
+
+SYS-GEN			:= ../scripts/arm/gen-syscalls.pl
+SYS-GEN-TBL		:= ../scripts/arm/gen-sys-exec-tbl.pl
+
+asflags-y		+= -D__ASSEMBLY__ -nostdlib -fomit-frame-pointer
+asflags-y		+= -fpie -Wstrict-prototypes -Wa,--noexecstack
+asflags-y		+= -iquote $(obj) -iquote $(obj)/include -iquote $(SRC_DIR)/criu/include
+
+SYS-ASM			:= syscalls.S
+obj-y			+= $(SYS-ASM:.S=).o
+
+ARCH_BITS		:= 64
+
+SYS-EXEC-TBL		:= sys-exec-tbl.c
+
+$(obj)/$(SYS-ASM): $(obj)/$(SYS-GEN) $(obj)/syscalls/$(SYS-DEF) $(obj)/syscalls/$(SYS-ASM-COMMON)
+	$(E) "  GEN     " $@
+	$(Q) perl				\
+		$(obj)/$(SYS-GEN)		\
+		$(obj)/syscalls/$(SYS-DEF)	\
+		$(obj)/$(SYS-CODES)		\
+		$(obj)/$(SYS-PROTO)		\
+		$(obj)/$(SYS-ASM)		\
+		syscalls/$(SYS-ASM-COMMON)	\
+		$(obj)/$(SYS-TYPES)		\
+		$(ARCH_BITS)
+
+$(obj)/syscalls.o: $(obj)/$(SYS-ASM)
+
+$(obj)/$(SYS-EXEC-TBL): $(obj)/$(SYS-GEN-TBL) $(obj)/syscalls/$(SYS-DEF)
+	$(E) "  GEN     " $@
+	$(Q) perl				\
+		$(obj)/$(SYS-GEN-TBL)		\
+		$(obj)/syscalls/$(SYS-DEF)	\
+		$(obj)/$(SYS-EXEC-TBL)		\
+		$(ARCH_BITS)
+
+all-y += $(obj)/$(SYS-EXEC-TBL)
+
+cleanup-y += $(obj)/$(SYS-EXEC-TBL) $(obj)/$(SYS-ASM)
+cleanup-y += $(obj)/$(SYS-CODES)
+cleanup-y += $(obj)/$(SYS-PROTO)

criu/arch/aarch64/syscalls/syscall.def

+../../arm/syscalls/syscall.def
\ No newline at end of file

criu/arch/arm/Makefile

+builtin-name		:= crtools.built-in.o
+
+ccflags-y		+= -iquote $(obj) -iquote $(SRC_DIR) -iquote $(obj)/include -iquote $(SRC_DIR)/criu/include
+
+obj-y			+= cpu.o
+obj-y			+= crtools.o

criu/arch/arm/Makefile.syscalls

+builtin-name		:= syscalls.built-in.o
+
+SYS-TYPES		:= ../../include/syscall-types.h
+SYS-CODES		:= ../../include/syscall-codes.h
+SYS-PROTO		:= ../../include/syscall.h
+
+SYS-DEF			:= syscall.def
+SYS-ASM-COMMON		:= syscall-common.S
+
+SYS-GEN			:= ../scripts/arm/gen-syscalls.pl
+SYS-GEN-TBL		:= ../scripts/arm/gen-sys-exec-tbl.pl
+
+asflags-y		+= -D__ASSEMBLY__ -nostdlib -fomit-frame-pointer
+asflags-y		+= -fpie -Wstrict-prototypes -Wa,--noexecstack
+asflags-y		+= -iquote $(obj) -iquote $(obj)/include -iquote $(SRC_DIR)/criu/include
+
+SYS-ASM			:= syscalls.S
+obj-y			+= $(SYS-ASM:.S=).o
+
+ARCH_BITS		:= 32
+
+SYS-EXEC-TBL		:= sys-exec-tbl.c
+
+$(obj)/$(SYS-ASM): $(obj)/$(SYS-GEN) $(obj)/syscalls/$(SYS-DEF) $(obj)/syscalls/$(SYS-ASM-COMMON)
+	$(E) "  GEN     " $@
+	$(Q) perl				\
+		$(obj)/$(SYS-GEN)		\
+		$(obj)/syscalls/$(SYS-DEF)	\
+		$(obj)/$(SYS-CODES)		\
+		$(obj)/$(SYS-PROTO)		\
+		$(obj)/$(SYS-ASM)		\
+		syscalls/$(SYS-ASM-COMMON)	\
+		$(obj)/$(SYS-TYPES)		\
+		$(ARCH_BITS)
+
+$(obj)/syscalls.o: $(obj)/$(SYS-ASM)
+
+$(obj)/$(SYS-EXEC-TBL): $(obj)/$(SYS-GEN-TBL) $(obj)/syscalls/$(SYS-DEF)
+	$(E) "  GEN     " $@
+	$(Q) perl				\
+		$(obj)/$(SYS-GEN-TBL)		\
+		$(obj)/syscalls/$(SYS-DEF)	\
+		$(obj)/$(SYS-EXEC-TBL)		\
+		$(ARCH_BITS)
+
+all-y += $(obj)/$(SYS-EXEC-TBL)
+
+cleanup-y += $(obj)/$(SYS-EXEC-TBL) $(obj)/$(SYS-ASM)
+cleanup-y += $(obj)/$(SYS-CODES)
+cleanup-y += $(obj)/$(SYS-PROTO)

criu/arch/ppc64/Makefile

+builtin-name		:= crtools.built-in.o
+
+ccflags-y		+= -iquote $(obj) -iquote $(SRC_DIR) -iquote $(obj)/include -iquote $(SRC_DIR)/criu/include
+
+obj-y			+= cpu.o
+obj-y			+= crtools.o

criu/arch/ppc64/Makefile.syscalls

+builtin-name		:= syscalls.built-in.o
+
+SYS-TYPES		:= ../../include/syscall-types.h
+SYS-CODES		:= ../../include/syscall-codes.h
+SYS-PROTO		:= ../../include/syscall.h
+SYS-DEF			:= syscall-ppc64.tbl
+SYS-ASM-COMMON		:= syscall-common-ppc64.S
+
+asflags-y		+= -D__ASSEMBLY__ -nostdlib -fomit-frame-pointer
+asflags-y		+= -fpie -Wstrict-prototypes -Wa,--noexecstack
+asflags-y		+= -iquote $(obj) -iquote $(obj)/include -iquote $(SRC_DIR)/criu/include
+
+SYS-ASM			:= syscalls.S
+obj-y			+= $(SYS-ASM:.S=).o
+
+$(obj)/$(SYS-CODES): $(obj)/syscalls/$(SYS-DEF)
+	$(E) "  GEN     " $@
+	$(Q) echo "/* Autogenerated, don't edit */"							>  $@
+	$(Q) echo "#ifndef __ASM_CR_SYSCALL_CODES_H__"							>> $@
+	$(Q) echo "#define __ASM_CR_SYSCALL_CODES_H__"							>> $@
+	$(Q) cat $< | awk '/^__NR/{print "#define", $$1, $$2}'						>> $@
+	$(Q) echo "#endif /* __ASM_CR_SYSCALL_CODES_H__ */"						>> $@
+cleanup-y		+= $(obj)/$(SYS-CODES)
+
+$(obj)/$(SYS-PROTO): $(obj)/syscalls/$(SYS-DEF)
+	$(E) "  GEN     " $@
+	$(Q) echo "/* Autogenerated, don't edit */"							>  $@
+	$(Q) echo "#ifndef __ASM_CR_SYSCALL_PROTO_H__"							>> $@
+	$(Q) echo "#define __ASM_CR_SYSCALL_PROTO_H__"							>> $@
+	$(Q) echo "#include \"syscall-codes.h\""							>> $@
+	$(Q) echo "#include \"syscall-types.h\""							>> $@
+	$(Q) cat $< | awk  '/^__NR/{print "extern long", $$3, substr($$0, index($$0,$$4)), ";"}'	>> $@
+	$(Q) echo "#endif /* __ASM_CR_SYSCALL_PROTO_H__ */"						>> $@
+cleanup-y		+= $(obj)/$(SYS-PROTO)
+
+$(obj)/$(SYS-ASM): $(obj)/syscalls/$(SYS-DEF) $(obj)/syscalls/$(SYS-ASM-COMMON) $(obj)/$(SYS-CODES) $(obj)/$(SYS-PROTO)
+	$(E) "  GEN     " $@
+	$(Q) echo "/* Autogenerated, don't edit */"							>  $@
+	$(Q) echo "#include \"syscall-codes.h\""							>> $@
+	$(Q) echo "#include \"syscalls/$(SYS-ASM-COMMON)\""						>> $@
+	$(Q) cat $< | awk '/^__NR/{print "SYSCALL(", $$3, ",", $$2, ")"}'				>> $@
+cleanup-y		+= $(obj)/$(SYS-ASM)
+
+SYS-EXEC-TBL		:= sys-exec-tbl.c
+$(obj)/$(SYS-EXEC-TBL): $(obj)/syscalls/$(SYS-DEF) $(obj)/$(SYS-CODES) $(obj)/$(SYS-PROTO)
+	$(E) "  GEN     " $@
+	$(Q) echo "/* Autogenerated, don't edit */"							>  $@
+	$(Q) cat $< | awk '/^__NR/{print "SYSCALL(", substr($$3, 5), ",", $$2, ")"}'			>> $@
+cleanup-y		+= $(obj)/$(SYS-EXEC-TBL)
+all-y			+= $(obj)/$(SYS-EXEC-TBL)