| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | |
| 2 | # List of files in the vdso, has to be asm only for now |
| 3 | |
| Benjamin Herrenschmidt | 1b29f9d | 2005-05-01 08:58:43 -0700 | [diff] [blame] | 4 | obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | |
| 6 | # Build rules |
| 7 | |
| Benjamin Herrenschmidt | a7f290d | 2005-11-11 21:15:21 +1100 | [diff] [blame^] | 8 | ifeq ($(CONFIG_PPC32),y) |
| 9 | CROSS32CC := $(CC) |
| 10 | endif |
| 11 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | targets := $(obj-vdso32) vdso32.so |
| 13 | obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32)) |
| 14 | |
| 15 | |
| 16 | EXTRA_CFLAGS := -shared -s -fno-common -fno-builtin |
| 17 | EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1 |
| 18 | EXTRA_AFLAGS := -D__VDSO32__ -s |
| 19 | |
| 20 | obj-y += vdso32_wrapper.o |
| 21 | extra-y += vdso32.lds |
| 22 | CPPFLAGS_vdso32.lds += -P -C -U$(ARCH) |
| 23 | |
| 24 | # Force dependency (incbin is bad) |
| 25 | $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so |
| 26 | |
| 27 | # link rule for the .so file, .lds has to be first |
| 28 | $(obj)/vdso32.so: $(src)/vdso32.lds $(obj-vdso32) |
| 29 | $(call if_changed,vdso32ld) |
| 30 | |
| 31 | # assembly rules for the .S files |
| 32 | $(obj-vdso32): %.o: %.S |
| 33 | $(call if_changed_dep,vdso32as) |
| 34 | |
| 35 | # actual build commands |
| 36 | quiet_cmd_vdso32ld = VDSO32L $@ |
| 37 | cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@ |
| 38 | quiet_cmd_vdso32as = VDSO32A $@ |
| 39 | cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $< |
| 40 | |