criu/compel/Makefile
Dmitry Safonov ffb848e6d9 x86: Use PTRACE_GET_THREAD_AREA instead of sys_get_thread_area()
To minimize things done in parasite, PTRACE_GET_THREAD_AREA can be
used to get remote tls. That also removes an additional compat stack
(de)allocation in the parasite (also asm-coded syscall).

In order to use PTRACE_GET_THREAD_AREA, the dumpee should be stopped.
So, let's move this from criu to compel to non-seized state and put tls
into thread info on x86.

Signed-off-by: Dmitry Safonov <dima@arista.com>
2021-09-03 10:31:00 -07:00

85 lines
3.4 KiB
Makefile

include Makefile.versions
COMPEL_SO_VERSION := $(COMPEL_SO_VERSION_MAJOR)$(if $(COMPEL_SO_VERSION_MINOR),.$(COMPEL_SO_VERSION_MINOR))$(if $(COMPEL_SO_VERSION_SUBLEVEL),.$(COMPEL_SO_VERSION_SUBLEVEL))
COMPEL_SO_VERSION_CODE := $(shell expr $(COMPEL_SO_VERSION_MAJOR) \* 65536 \+ $(COMPEL_SO_VERSION_MINOR) \* 256 \+ $(COMPEL_SO_VERSION_SUBLEVEL))
ccflags-y += -DINCLUDEDIR=\"$(INCLUDEDIR)\"
ccflags-y += -DLIBEXECDIR=\"$(LIBEXECDIR)\"
ccflags-y += -DLIBDIR=\"$(LIBDIR)\"
ccflags-y += -DSTATIC_LIB=\"$(LIBCOMPEL_A)\"
ccflags-y += -DDYN_LIB=\"$(LIBCOMPEL_SO).$(COMPEL_SO_VERSION_MAJOR)\"
ccflags-y += -iquote compel/arch/$(ARCH)/src/lib/include
ccflags-y += -iquote compel/include
ccflags-y += -fno-strict-aliasing
ccflags-y += -fPIC
ldflags-y += -r
#
# UAPI inclusion, referred as <compel/...>
ccflags-y += -I compel/include/uapi
lib-name := $(LIBCOMPEL_A)
lib-y += src/lib/log.o
host-lib-y += src/lib/log.o
lib-y += arch/$(ARCH)/src/lib/cpu.o
lib-y += arch/$(ARCH)/src/lib/infect.o
lib-y += src/lib/infect-rpc.o
lib-y += src/lib/infect-util.o
lib-y += src/lib/infect.o
lib-y += src/lib/ptrace.o
ifeq ($(ARCH),x86)
lib-y += arch/$(ARCH)/src/lib/thread_area.o
endif
# handle_elf() has no support of ELF relocations on ARM (yet?)
ifneq ($(filter arm aarch64,$(ARCH)),)
CFLAGS += -DNO_RELOCS
HOSTCFLAGS += -DNO_RELOCS
endif
obj-y += src/main.o
obj-y += arch/$(ARCH)/src/lib/handle-elf.o
obj-y += src/lib/handle-elf.o
host-ccflags-y += $(ccflags-y)
hostprogs-y += compel-host-bin
compel-host-bin-objs := $(patsubst %.o,%-host.o,$(obj-y) $(host-lib-y))
cleanup-y += compel/compel
cleanup-y += compel/compel-host-bin
cleanup-y += compel/libcompel.so
install: compel/compel compel/$(LIBCOMPEL_SO) compel/$(LIBCOMPEL_A)
$(E) " INSTALL " compel
$(Q) mkdir -p $(DESTDIR)$(BINDIR)
$(Q) install -m 755 compel/compel $(DESTDIR)$(BINDIR)
$(E) " INSTALL " $(LIBCOMPEL_SO)
$(Q) mkdir -p $(DESTDIR)$(LIBDIR)
$(Q) install -m 0644 compel/$(LIBCOMPEL_SO) $(DESTDIR)$(LIBDIR)
$(Q) install -m 755 compel/$(LIBCOMPEL_SO) $(DESTDIR)$(LIBDIR)/$(LIBCOMPEL_SO).$(COMPEL_SO_VERSION_MAJOR).$(COMPEL_SO_VERSION_MINOR)
$(Q) ln -fns $(LIBCOMPEL_SO).$(COMPEL_SO_VERSION_MAJOR).$(COMPEL_SO_VERSION_MINOR) $(DESTDIR)$(LIBDIR)/$(LIBCOMPEL_SO).$(COMPEL_SO_VERSION_MAJOR)
$(Q) ln -fns $(LIBCOMPEL_SO).$(COMPEL_SO_VERSION_MAJOR).$(COMPEL_SO_VERSION_MINOR) $(DESTDIR)$(LIBDIR)/$(LIBCOMPEL_SO)
$(E) " INSTALL " $(LIBCOMPEL_A)
$(Q) install -m 0644 compel/$(LIBCOMPEL_A) $(DESTDIR)$(LIBDIR)
$(E) " INSTALL " compel uapi
$(Q) mkdir -p $(DESTDIR)$(INCLUDEDIR)/compel/asm
$(Q) cp compel/include/uapi/*.h $(DESTDIR)$(INCLUDEDIR)/compel/
$(Q) cp compel/include/uapi/asm/*.h $(DESTDIR)$(INCLUDEDIR)/compel/asm/
$(Q) mkdir -p $(DESTDIR)$(INCLUDEDIR)/compel/common/asm
$(Q) cp include/common/compiler.h $(DESTDIR)$(INCLUDEDIR)/compel/common/
.PHONY: install
uninstall:
$(E) " UNINSTALL" compel
$(Q) $(RM) $(addprefix $(DESTDIR)$(BINDIR)/,compel)
$(E) " UNINSTALL" $(LIBCOMPEL_SO)
$(Q) $(RM) $(addprefix $(DESTDIR)$(LIBDIR)/,$(LIBCOMPEL_SO))
$(Q) $(RM) $(addprefix $(DESTDIR)$(LIBDIR)/,$(LIBCOMPEL_SO).$(COMPEL_SO_VERSION_MAJOR))
$(Q) $(RM) $(addprefix $(DESTDIR)$(LIBDIR)/,$(LIBCOMPEL_SO).$(COMPEL_SO_VERSION_MAJOR).$(COMPEL_SO_VERSION_MINOR))
$(E) " UNINSTALL" $(LIBCOMPEL_A)
$(Q) $(RM) $(addprefix $(DESTDIR)$(LIBDIR)/,$(LIBCOMPEL_A))
$(E) " UNINSTALL" compel uapi
$(Q) $(RM) -rf $(addprefix $(DESTDIR)$(INCLUDEDIR)/,compel/*)
.PHONY: uninstall