xref: /openbmc/linux/arch/ia64/kernel/Makefile.gate (revision 861fde31)
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 $@
12
13GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \
14		     -Wl,--hash-style=sysv
15$(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