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Direktori : /lib/modules/3.10.0-957.21.3.el7.centos.plus.x86_64/build/arch/s390/kernel/vdso32/

Current File : //lib/modules/3.10.0-957.21.3.el7.centos.plus.x86_64/build/arch/s390/kernel/vdso32/Makefile

# List of files in the vdso, has to be asm only for now

obj-vdso32 = gettimeofday.o clock_getres.o clock_gettime.o note.o

# Build rules

targets := $(obj-vdso32) vdso32.so vdso32.so.dbg
obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))

KBUILD_AFLAGS_31 := $(filter-out -m64,$(KBUILD_AFLAGS))
KBUILD_AFLAGS_31 += -m31 -s

KBUILD_CFLAGS_31 := $(filter-out -m64,$(KBUILD_CFLAGS))
KBUILD_CFLAGS_31 += -m31 -fPIC -shared -fno-common -fno-builtin
KBUILD_CFLAGS_31 += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
			$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)

$(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_31)
$(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_31)

obj-y += vdso32_wrapper.o
extra-y += vdso32.lds
CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)

# Disable gcov profiling for VDSO code
GCOV_PROFILE := n

# Force dependency (incbin is bad)
$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so

# link rule for the .so file, .lds has to be first
$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32)
	$(call if_changed,vdso32ld)

# strip rule for the .so file
$(obj)/%.so: OBJCOPYFLAGS := -S
$(obj)/%.so: $(obj)/%.so.dbg FORCE
	$(call if_changed,objcopy)

# assembly rules for the .S files
$(obj-vdso32): %.o: %.S
	$(call if_changed_dep,vdso32as)

# actual build commands
quiet_cmd_vdso32ld = VDSO32L $@
      cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ \
		     $(if $(AFTER_LINK),; $(AFTER_LINK))
quiet_cmd_vdso32as = VDSO32A $@
      cmd_vdso32as = $(CC) $(a_flags) -c -o $@ $<

# install commands for the unstripped file
quiet_cmd_vdso_install = INSTALL $@
      cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@

vdso32.so: $(obj)/vdso32.so.dbg
	@mkdir -p $(MODLIB)/vdso
	$(call cmd,vdso_install)

vdso_install: vdso32.so

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