arch/powerpc/kernel/vdso32/Makefile

   1
   2 # List of files in the vdso, has to be asm only for now
   3
   4 obj-vdso32-$(CONFIG_PPC64) = getcpu.o
   5 obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o \
   6                 $(obj-vdso32-y)
   7
   8 # Build rules
   9
  10 ifeq ($(CONFIG_PPC32),y)
  11 CROSS32CC := $(CC)
  12 endif
  13
  14 targets := $(obj-vdso32) vdso32.so vdso32.so.dbg
  15 obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
  16
  17 GCOV_PROFILE := n
  18 UBSAN_SANITIZE := n
  19
  20 ccflags-y := -shared -fno-common -fno-builtin
  21 ccflags-y += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
  22                 $(call cc-ldoption, -Wl$(comma)--hash-style=both)
  23 asflags-y := -D__VDSO32__ -s
  24
  25 obj-y += vdso32_wrapper.o
  26 extra-y += vdso32.lds
  27 CPPFLAGS_vdso32.lds += -P -C -Upowerpc
  28
  29 # Force dependency (incbin is bad)
  30 $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
  31
  32 # link rule for the .so file, .lds has to be first
  33 $(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32)
  34         $(call if_changed,vdso32ld)
  35
  36 # strip rule for the .so file
  37 $(obj)/%.so: OBJCOPYFLAGS := -S
  38 $(obj)/%.so: $(obj)/%.so.dbg FORCE
  39         $(call if_changed,objcopy)
  40
  41 # assembly rules for the .S files
  42 $(obj-vdso32): %.o: %.S
  43         $(call if_changed_dep,vdso32as)
  44
  45 # actual build commands
  46 quiet_cmd_vdso32ld = VDSO32L $@
  47       cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@
  48 quiet_cmd_vdso32as = VDSO32A $@
  49       cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
  50
  51 # install commands for the unstripped file
  52 quiet_cmd_vdso_install = INSTALL $@
  53       cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@
  54
  55 vdso32.so: $(obj)/vdso32.so.dbg
  56         @mkdir -p $(MODLIB)/vdso
  57         $(call cmd,vdso_install)
  58
  59 vdso_install: vdso32.so