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 getcpu.o
   4
   5 # Build rules
   6
   7 targets := $(obj-vdso64) vdso64.so vdso64.so.dbg
   8 obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))
   9
  10 GCOV_PROFILE := n
  11
  12 ccflags-y := -shared -fno-common -fno-builtin
  13 ccflags-y += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
  14                 $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
  15 asflags-y := -D__VDSO64__ -s
  16
  17 obj-y += vdso64_wrapper.o
  18 extra-y += vdso64.lds
  19 CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
  20
  21 # Force dependency (incbin is bad)
  22 $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so
  23
  24 # link rule for the .so file, .lds has to be first
  25 $(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64)
  26         $(call if_changed,vdso64ld)
  27
  28 # strip rule for the .so file
  29 $(obj)/%.so: OBJCOPYFLAGS := -S
  30 $(obj)/%.so: $(obj)/%.so.dbg FORCE
  31         $(call if_changed,objcopy)
  32
  33 # assembly rules for the .S files
  34 $(obj-vdso64): %.o: %.S
  35         $(call if_changed_dep,vdso64as)
  36
  37 # actual build commands
  38 quiet_cmd_vdso64ld = VDSO64L $@
  39       cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
  40 quiet_cmd_vdso64as = VDSO64A $@
  41       cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
  42
  43 # install commands for the unstripped file
  44 quiet_cmd_vdso_install = INSTALL $@
  45       cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@
  46
  47 vdso64.so: $(obj)/vdso64.so.dbg
  48         @mkdir -p $(MODLIB)/vdso
  49         $(call cmd,vdso_install)
  50
  51 vdso_install: vdso64.so