1# SPDX-License-Identifier: GPL-2.0 2# The gate DSO image is built using a special linker script. 3 4targets += gate.so gate.lds gate.o gate-dummy.o 5 6obj-y += gate-syms.o 7 8CPPFLAGS_gate.lds := -P -C -U$(ARCH) 9 10quiet_cmd_gate = GATE $@ 11 cmd_gate = $(CC) -nostdlib $(GATECFLAGS_$(@F)) -Wl,-T,$(filter-out FORCE,$^) -o $@ 12 13GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \ 14 $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) 15$(obj)/gate.so: $(obj)/gate.lds $(obj)/gate.o FORCE 16 $(call if_changed,gate) 17 18GATECFLAGS_gate-dummy.o = -r 19$(obj)/gate-dummy.o: $(obj)/gate.lds $(obj)/gate.o FORCE 20 $(call if_changed,gate) 21 22LDFLAGS_gate-syms.o := -r -R 23$(obj)/gate-syms.o: $(obj)/gate-dummy.o FORCE 24 $(call if_changed,ld) 25 26# gate-data.o contains the gate DSO image as data in section .data..gate. 27# We must build gate.so before we can assemble it. 28# Note: kbuild does not track this dependency due to usage of .incbin 29$(obj)/gate-data.o: $(obj)/gate.so 30