1# The gate DSO image is built using a special linker script. 2 3targets += gate.so gate-syms.o 4 5extra-y += gate.so gate-syms.o gate.lds gate.o 6 7CPPFLAGS_gate.lds := -P -C -U$(ARCH) 8 9quiet_cmd_gate = GATE $@ 10 cmd_gate = $(CC) -nostdlib $(GATECFLAGS_$(@F)) -Wl,-T,$(filter-out FORCE,$^) -o $@ 11 12GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \ 13 $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) 14$(obj)/gate.so: $(obj)/gate.lds $(obj)/gate.o FORCE 15 $(call if_changed,gate) 16 17$(obj)/built-in.o: $(obj)/gate-syms.o 18$(obj)/built-in.o: ld_flags += -R $(obj)/gate-syms.o 19 20GATECFLAGS_gate-syms.o = -r 21$(obj)/gate-syms.o: $(obj)/gate.lds $(obj)/gate.o FORCE 22 $(call if_changed,gate) 23 24# gate-data.o contains the gate DSO image as data in section .data..gate. 25# We must build gate.so before we can assemble it. 26# Note: kbuild does not track this dependency due to usage of .incbin 27$(obj)/gate-data.o: $(obj)/gate.so 28