blob: 0b1b0df973eb25b38c00baf1a1e363d91267d3fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
# List of files in the vdso, has to be asm only for now
obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o
# Build rules
targets := $(obj-vdso32) vdso32.so
obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
EXTRA_CFLAGS := -shared -s -fno-common -fno-builtin
EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1
EXTRA_AFLAGS := -D__VDSO32__ -s
obj-y += vdso32_wrapper.o
extra-y += vdso32.lds
CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
# Force dependency (incbin is bad)
$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
# link rule for the .so file, .lds has to be first
$(obj)/vdso32.so: $(src)/vdso32.lds $(obj-vdso32)
$(call if_changed,vdso32ld)
# assembly rules for the .S files
$(obj-vdso32): %.o: %.S
$(call if_changed_dep,vdso32as)
# actual build commands
quiet_cmd_vdso32ld = VDSO32L $@
cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@
quiet_cmd_vdso32as = VDSO32A $@
cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
|
