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compel: Initial commit for standalone tool

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The compel component is a replacement for several aspects of CRIU
functionality: binary blobs generation for PIE parasite/restore code,
and a library for parasite code injection and execution (to be implemented).

In the commit we rather shuffle compel into own directory and
use it for

1) Fetching cflags when compiling PIE blobs
2) Use its "piegen" functionality to generate blobs themselves.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Cyrill Gorcunov 2016-04-05 18:41:15 +03:00 • committed by Andrei Vagin
parent dbc2edb83a
commit acfa85ba5a
15 changed files with 42 additions and 47 deletions
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11
Makefile
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@ -127,7 +127,7 @@ endif
CFLAGS += $(WARNINGS) $(DEFINES) -iquote include/
# Default target
all: criu lib
all: compel criu lib
.PHONY: all
#
@ -201,6 +201,9 @@ $(eval $(call gen-built-in,images))
.PHONY: .FORCE
# Compel get used by CRIU, build it earlier
$(eval $(call gen-built-in,compel))
#
# Next the socket CR library
#
@ -222,9 +225,9 @@ $(SOCCR_A): |soccr/built-in.o
#
# But note that we're already included
# the nmk so we can reuse it there.
criu/%: images/built-in.o $(VERSION_HEADER) $(CONFIG_HEADER) .FORCE
criu/%: images/built-in.o compel/compel $(VERSION_HEADER) $(CONFIG_HEADER) .FORCE
$(Q) $(MAKE) $(build)=criu $@
criu: images/built-in.o $(SOCCR_A) $(VERSION_HEADER) $(CONFIG_HEADER)
criu: images/built-in.o compel/compel $(SOCCR_A) $(VERSION_HEADER) $(CONFIG_HEADER)
$(Q) $(MAKE) $(build)=criu all
.PHONY: criu
@ -248,6 +251,7 @@ clean: subclean
$(Q) $(MAKE) $(build)=criu $@
$(Q) $(MAKE) $(build)=soccr $@
$(Q) $(MAKE) $(build)=lib $@
$(Q) $(MAKE) $(build)=compel $@
.PHONY: clean
# mrproper depends on clean in nmk
@ -256,6 +260,7 @@ mrproper: subclean
$(Q) $(MAKE) $(build)=criu $@
$(Q) $(MAKE) $(build)=soccr $@
$(Q) $(MAKE) $(build)=lib $@
$(Q) $(MAKE) $(build)=compel $@
$(Q) $(RM) $(CONFIG_HEADER)
$(Q) $(RM) $(SOCCR_CONFIG)
$(Q) $(RM) $(VERSION_HEADER)