| Isaku Yamahata | e4ff5b8 | 2009-03-04 21:05:42 +0900 | [diff] [blame] | 1 | # The gate DSO image is built using a special linker script. |
| 2 | |
| 3 | targets += gate.so gate-syms.o |
| 4 | |
| 5 | extra-y += gate.so gate-syms.o gate.lds gate.o |
| 6 | |
| 7 | CPPFLAGS_gate.lds := -P -C -U$(ARCH) |
| 8 | |
| 9 | quiet_cmd_gate = GATE $@ |
| 10 | cmd_gate = $(CC) -nostdlib $(GATECFLAGS_$(@F)) -Wl,-T,$(filter-out FORCE,$^) -o $@ |
| 11 | |
| 12 | GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \ |
| Sam Ravnborg | f86fd30 | 2009-09-19 10:14:33 +0200 | [diff] [blame] | 13 | $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) |
| Isaku Yamahata | e4ff5b8 | 2009-03-04 21:05:42 +0900 | [diff] [blame] | 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 | |
| 20 | GATECFLAGS_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 |