arch/powerpc/kernel/vdso32/Makefile

   1
   2 # List of files in the vdso, has to be asm only for now
   3
   4 obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o
   5
   6 # Build rules
   7
   8 ifeq ($(CONFIG_PPC32),y)
   9 CROSS32CC := $(CC)
  10 endif
  11
  12 targets := $(obj-vdso32) vdso32.so vdso32.so.dbg
  13 obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
  14
  15
  16 EXTRA_CFLAGS := -shared -fno-common -fno-builtin
  17 EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
  18                 $(call ld-option, -Wl$(comma)--hash-style=sysv)
  19 EXTRA_AFLAGS := -D__VDSO32__ -s
  20
  21 obj-y += vdso32_wrapper.o
  22 extra-y += vdso32.lds
  23 CPPFLAGS_vdso32.lds += -P -C -Upowerpc
  24
  25 # Force dependency (incbin is bad)
  26 $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
  27
  28 # link rule for the .so file, .lds has to be first
  29 $(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32)
  30         $(call if_changed,vdso32ld)
  31
  32 # strip rule for the .so file
  33 $(obj)/%.so: OBJCOPYFLAGS := -S
  34 $(obj)/%.so: $(obj)/%.so.dbg FORCE
  35         $(call if_changed,objcopy)
  36
  37 # assembly rules for the .S files
  38 $(obj-vdso32): %.o: %.S
  39         $(call if_changed_dep,vdso32as)
  40
  41 # actual build commands
  42 quiet_cmd_vdso32ld = VDSO32L $@
  43       cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@
  44 quiet_cmd_vdso32as = VDSO32A $@
  45       cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
  46
  47 # install commands for the unstripped file
  48 quiet_cmd_vdso_install = INSTALL $@
  49       cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@
  50
  51 vdso32.so: $(obj)/vdso32.so.dbg
  52         @mkdir -p $(MODLIB)/vdso
  53         $(call cmd,vdso_install)
  54
  55 vdso_install: vdso32.so