arch/x86_64/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 ifdef CONFIG_XEN
  18 $(obj)/syscall32_syscall.o: \
  19         $(foreach F,int80 sysenter syscall,$(obj)/vsyscall-$F.so)
  20
  21 targets := $(foreach F,int80 sysenter syscall,vsyscall-$F.o vsyscall-$F.so)
  22
  23 else
  24 $(obj)/syscall32_syscall.o: \
  25         $(foreach F,sysenter syscall,$(obj)/vsyscall-$F.so)
  26
  27 # Teach kbuild about targets
  28 targets := $(foreach F,sysenter syscall,vsyscall-$F.o vsyscall-$F.so)
  29 endif
  30
  31 # The DSO images are built using a special linker script
  32 quiet_cmd_syscall = SYSCALL $@
  33       cmd_syscall = $(CC) -m32 -nostdlib -shared -s \
  34                           $(call ld-option, -Wl$(comma)--hash-style=sysv) \
  35                            -Wl,-soname=linux-gate.so.1 -o $@ \
  36                            -Wl,-T,$(filter-out FORCE,$^)
  37
  38 $(obj)/vsyscall-int80.so \
  39 $(obj)/vsyscall-sysenter.so $(obj)/vsyscall-syscall.so: \
  40 $(obj)/vsyscall-%.so: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE
  41         $(call if_changed,syscall)
  42
  43 AFLAGS_vsyscall-sysenter.o = -m32 -Wa,-32 -Iarch/i386/kernel
  44 AFLAGS_vsyscall-syscall.o = -m32 -Wa,-32 -Iarch/i386/kernel
  45
  46 ifdef CONFIG_XEN
  47 AFLAGS_vsyscall-int80.o = -m32 -Wa,-32 -Iarch/i386/kernel
  48 CFLAGS_syscall32.o += -DUSE_INT80
  49 AFLAGS_syscall32_syscall.o += -DUSE_INT80
  50
  51 include $(srctree)/scripts/Makefile.xen
  52
  53 obj-y := $(call cherrypickxen, $(obj-y))
  54 endif