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