arch/ppc64/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 targets := $(obj-vdso32) vdso32.so
   9 obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
  10
  11
  12 EXTRA_CFLAGS := -shared -s -fno-common -fno-builtin
  13 EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1
  14 EXTRA_AFLAGS := -D__VDSO32__ -s
  15
  16 obj-y += vdso32_wrapper.o
  17 extra-y += vdso32.lds
  18 CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
  19
  20 # Force dependency (incbin is bad)
  21 $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
  22
  23 # link rule for the .so file, .lds has to be first
  24 $(obj)/vdso32.so: $(src)/vdso32.lds $(obj-vdso32)
  25         $(call if_changed,vdso32ld)
  26
  27 # assembly rules for the .S files
  28 $(obj-vdso32): %.o: %.S
  29         $(call if_changed_dep,vdso32as)
  30
  31 # actual build commands
  32 quiet_cmd_vdso32ld = VDSO32L $@
  33       cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@
  34 quiet_cmd_vdso32as = VDSO32A $@
  35       cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
  36