| # SPDX-License-Identifier: GPL-2.0 |
| # The gate DSO image is built using a special linker script. |
| |
| targets += gate.so gate.lds gate.o gate-dummy.o |
| |
| obj-y += gate-syms.o |
| |
| CPPFLAGS_gate.lds := -P -C -U$(ARCH) |
| |
| quiet_cmd_gate = GATE $@ |
| cmd_gate = $(CC) -nostdlib $(GATECFLAGS_$(@F)) -Wl,-T,$(filter-out FORCE,$^) -o $@ |
| |
| GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \ |
| -Wl,--hash-style=sysv |
| $(obj)/gate.so: $(obj)/gate.lds $(obj)/gate.o FORCE |
| $(call if_changed,gate) |
| |
| GATECFLAGS_gate-dummy.o = -r |
| $(obj)/gate-dummy.o: $(obj)/gate.lds $(obj)/gate.o FORCE |
| $(call if_changed,gate) |
| |
| LDFLAGS_gate-syms.o := -r -R |
| $(obj)/gate-syms.o: $(obj)/gate-dummy.o FORCE |
| $(call if_changed,ld) |
| |
| # gate-data.o contains the gate DSO image as data in section .data..gate. |
| # We must build gate.so before we can assemble it. |
| # Note: kbuild does not track this dependency due to usage of .incbin |
| $(obj)/gate-data.o: $(obj)/gate.so |
