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