arch/powerpc/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                 $(call ld-option, -Wl$(comma)--hash-style=sysv)
  13 EXTRA_AFLAGS := -D__VDSO64__ -s
  14
  15 obj-y += vdso64_wrapper.o
  16 extra-y += vdso64.lds
  17 CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
  18
  19 # Force dependency (incbin is bad)
  20 $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so
  21
  22 # link rule for the .so file, .lds has to be first
  23 $(obj)/vdso64.so: $(src)/vdso64.lds $(obj-vdso64)
  24         $(call if_changed,vdso64ld)
  25
  26 # assembly rules for the .S files
  27 $(obj-vdso64): %.o: %.S
  28         $(call if_changed_dep,vdso64as)
  29
  30 # actual build commands
  31 quiet_cmd_vdso64ld = VDSO64L $@
  32       cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
  33 quiet_cmd_vdso64as = VDSO64A $@
  34       cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
  35
  36