1
2# List of files in the vdso, has to be asm only for now
3
4obj-vdso32-$(CONFIG_PPC64) = getcpu.o
5obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o \
6		$(obj-vdso32-y)
7
8# Build rules
9
10ifeq ($(CONFIG_PPC32),y)
11CROSS32CC := $(CC)
12endif
13
14targets := $(obj-vdso32) vdso32.so vdso32.so.dbg
15obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
16
17GCOV_PROFILE := n
18
19ccflags-y := -shared -fno-common -fno-builtin
20ccflags-y += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
21		$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
22asflags-y := -D__VDSO32__ -s
23
24obj-y += vdso32_wrapper.o
25extra-y += vdso32.lds
26CPPFLAGS_vdso32.lds += -P -C -Upowerpc
27
28# Force dependency (incbin is bad)
29$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
30
31# link rule for the .so file, .lds has to be first
32$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32)
33	$(call if_changed,vdso32ld)
34
35# strip rule for the .so file
36$(obj)/%.so: OBJCOPYFLAGS := -S
37$(obj)/%.so: $(obj)/%.so.dbg FORCE
38	$(call if_changed,objcopy)
39
40# assembly rules for the .S files
41$(obj-vdso32): %.o: %.S
42	$(call if_changed_dep,vdso32as)
43
44# actual build commands
45quiet_cmd_vdso32ld = VDSO32L $@
46      cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@
47quiet_cmd_vdso32as = VDSO32A $@
48      cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
49
50# install commands for the unstripped file
51quiet_cmd_vdso_install = INSTALL $@
52      cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@
53
54vdso32.so: $(obj)/vdso32.so.dbg
55	@mkdir -p $(MODLIB)/vdso
56	$(call cmd,vdso_install)
57
58vdso_install: vdso32.so
59