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e1cb14b85f
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
28 lines
924 B
Makefile
28 lines
924 B
Makefile
# The gate DSO image is built using a special linker script.
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targets += gate.so gate-syms.o
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extra-y += gate.so gate-syms.o gate.lds gate.o
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CPPFLAGS_gate.lds := -P -C -U$(ARCH)
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quiet_cmd_gate = GATE $@
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cmd_gate = $(CC) -nostdlib $(GATECFLAGS_$(@F)) -Wl,-T,$(filter-out FORCE,$^) -o $@
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GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \
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$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
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$(obj)/gate.so: $(obj)/gate.lds $(obj)/gate.o FORCE
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$(call if_changed,gate)
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$(obj)/built-in.o: $(obj)/gate-syms.o
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$(obj)/built-in.o: ld_flags += -R $(obj)/gate-syms.o
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GATECFLAGS_gate-syms.o = -r
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$(obj)/gate-syms.o: $(obj)/gate.lds $(obj)/gate.o FORCE
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$(call if_changed,gate)
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# gate-data.o contains the gate DSO image as data in section .data..gate.
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# We must build gate.so before we can assemble it.
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# Note: kbuild does not track this dependency due to usage of .incbin
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$(obj)/gate-data.o: $(obj)/gate.so
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