Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | # List of files in the vdso, has to be asm only for now |
2 | ||
1b29f9d1 | 3 | obj-vdso64 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o |
1da177e4 LT |
4 | |
5 | # Build rules | |
6 | ||
7 | targets := $(obj-vdso64) vdso64.so | |
8 | obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64)) | |
9 | ||
10 | EXTRA_CFLAGS := -shared -s -fno-common -fno-builtin | |
11 | EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso64.so.1 | |
12 | EXTRA_AFLAGS := -D__VDSO64__ -s | |
13 | ||
14 | obj-y += vdso64_wrapper.o | |
15 | extra-y += vdso64.lds | |
16 | CPPFLAGS_vdso64.lds += -P -C -U$(ARCH) | |
17 | ||
18 | # Force dependency (incbin is bad) | |
19 | $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so | |
20 | ||
21 | # link rule for the .so file, .lds has to be first | |
22 | $(obj)/vdso64.so: $(src)/vdso64.lds $(obj-vdso64) | |
23 | $(call if_changed,vdso64ld) | |
24 | ||
25 | # assembly rules for the .S files | |
26 | $(obj-vdso64): %.o: %.S | |
27 | $(call if_changed_dep,vdso64as) | |
28 | ||
29 | # actual build commands | |
30 | quiet_cmd_vdso64ld = VDSO64L $@ | |
31 | cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ | |
32 | quiet_cmd_vdso64as = VDSO64A $@ | |
33 | cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $< | |
34 | ||
35 |