arch/ppc64/kernel/vdso64/Makefile

   1 # List of files in the vdso, has to be asm only for now
   2
   3 obj-vdso64 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o
   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