1# 2# Makefile for the ia32 kernel emulation subsystem. 3# 4 5obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o tls32.o \ 6 ia32_binfmt.o fpu32.o ptrace32.o syscall32.o syscall32_syscall.o \ 7 mmap32.o 8 9sysv-$(CONFIG_SYSVIPC) := ipc32.o 10obj-$(CONFIG_IA32_EMULATION) += $(sysv-y) 11 12obj-$(CONFIG_IA32_AOUT) += ia32_aout.o 13 14audit-class-$(CONFIG_AUDIT) := audit.o 15obj-$(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 21targets := $(foreach F,$(addprefix vsyscall-,sysenter syscall),\ 22 $F.o $F.so $F.so.dbg) 23 24# The DSO images are built using a special linker script 25quiet_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 39AFLAGS_vsyscall-sysenter.o = -m32 -Wa,-32 40AFLAGS_vsyscall-syscall.o = -m32 -Wa,-32 41 42vdsos := vdso32-sysenter.so vdso32-syscall.so 43 44quiet_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 52vdso_install: $(vdsos) 53