arch/x86/ia32/Makefile

   1 #
   2 # Makefile for the ia32 kernel emulation subsystem.
   3 #
   4
   5 obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o tls32.o \
   6         ia32_binfmt.o fpu32.o ptrace32.o syscall32.o syscall32_syscall.o \
   7         mmap32.o
   8
   9 sysv-$(CONFIG_SYSVIPC) := ipc32.o
  10 obj-$(CONFIG_IA32_EMULATION) += $(sysv-y)
  11
  12 obj-$(CONFIG_IA32_AOUT) += ia32_aout.o
  13
  14 audit-class-$(CONFIG_AUDIT) := audit.o
  15 obj-$(CONFIG_IA32_EMULATION) += $(audit-class-y)
  16
  17 $(obj)/syscall32_syscall.o: \
  18         $(foreach F,sysenter syscall,$(obj)/vsyscall-$F.so)
  19
  20 # Teach kbuild about targets
  21 targets := $(foreach F,$(addprefix vsyscall-,sysenter syscall),\
  22                      $F.o $F.so $F.so.dbg)
  23
  24 # The DSO images are built using a special linker script
  25 quiet_cmd_syscall = SYSCALL $@
  26       cmd_syscall = $(CC) -m32 -nostdlib -shared \
  27                           $(call ld-option, -Wl$(comma)--hash-style=sysv) \
  28                            -Wl,-soname=linux-gate.so.1 -o $@ \
  29                            -Wl,-T,$(filter-out FORCE,$^)
  30
  31 $(obj)/%.so: OBJCOPYFLAGS := -S
  32 $(obj)/%.so: $(obj)/%.so.dbg FORCE
  33         $(call if_changed,objcopy)
  34
  35 $(obj)/vsyscall-sysenter.so.dbg $(obj)/vsyscall-syscall.so.dbg: \
  36 $(obj)/vsyscall-%.so.dbg: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE
  37         $(call if_changed,syscall)
  38
  39 AFLAGS_vsyscall-sysenter.o = -m32 -Wa,-32
  40 AFLAGS_vsyscall-syscall.o = -m32 -Wa,-32
  41
  42 vdsos := vdso32-sysenter.so vdso32-syscall.so
  43
  44 quiet_cmd_vdso_install = INSTALL $@
  45       cmd_vdso_install = cp $(@:vdso32-%.so=$(obj)/vsyscall-%.so.dbg) \
  46                             $(MODLIB)/vdso/$@
  47
  48 $(vdsos):
  49         @mkdir -p $(MODLIB)/vdso
  50         $(call cmd,vdso_install)
  51
  52 vdso_install: $(vdsos)