diff options
Diffstat (limited to 'arch/x86/ia32/Makefile')
| -rw-r--r-- | arch/x86/ia32/Makefile | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/x86/ia32/Makefile b/arch/x86/ia32/Makefile new file mode 100644 index 00000000000..e2edda255a8 --- /dev/null +++ b/arch/x86/ia32/Makefile @@ -0,0 +1,52 @@ +# +# Makefile for the ia32 kernel emulation subsystem. +# + +obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o tls32.o \ + ia32_binfmt.o fpu32.o ptrace32.o syscall32.o syscall32_syscall.o \ + mmap32.o + +sysv-$(CONFIG_SYSVIPC) := ipc32.o +obj-$(CONFIG_IA32_EMULATION) += $(sysv-y) + +obj-$(CONFIG_IA32_AOUT) += ia32_aout.o + +audit-class-$(CONFIG_AUDIT) := audit.o +obj-$(CONFIG_IA32_EMULATION) += $(audit-class-y) + +$(obj)/syscall32_syscall.o: \ + $(foreach F,sysenter syscall,$(obj)/vsyscall-$F.so) + +# Teach kbuild about targets +targets := $(foreach F,$(addprefix vsyscall-,sysenter syscall),\ + $F.o $F.so $F.so.dbg) + +# The DSO images are built using a special linker script +quiet_cmd_syscall = SYSCALL $@ + cmd_syscall = $(CC) -m32 -nostdlib -shared \ + $(call ld-option, -Wl$(comma)--hash-style=sysv) \ + -Wl,-soname=linux-gate.so.1 -o $@ \ + -Wl,-T,$(filter-out FORCE,$^) + +$(obj)/%.so: OBJCOPYFLAGS := -S +$(obj)/%.so: $(obj)/%.so.dbg FORCE + $(call if_changed,objcopy) + +$(obj)/vsyscall-sysenter.so.dbg $(obj)/vsyscall-syscall.so.dbg: \ +$(obj)/vsyscall-%.so.dbg: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE + $(call if_changed,syscall) + +AFLAGS_vsyscall-sysenter.o = -m32 -Wa,-32 +AFLAGS_vsyscall-syscall.o = -m32 -Wa,-32 + +vdsos := vdso32-sysenter.so vdso32-syscall.so + +quiet_cmd_vdso_install = INSTALL $@ + cmd_vdso_install = cp $(@:vdso32-%.so=$(obj)/vsyscall-%.so.dbg) \ + $(MODLIB)/vdso/$@ + +$(vdsos): + @mkdir -p $(MODLIB)/vdso + $(call cmd,vdso_install) + +vdso_install: $(vdsos) |