1# SPDX-License-Identifier: GPL-2.0 2# 3# Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 4# 5 6obj-y := stub.o mmu.o process.o syscall.o uaccess.o \ 7 stub_exe_embed.o 8 9# Stub executable 10 11stub_exe_objs-y := stub_exe.o 12 13stub_exe_objs := $(foreach F,$(stub_exe_objs-y),$(obj)/$F) 14 15# Object file containing the ELF executable 16$(obj)/stub_exe_embed.o: $(src)/stub_exe_embed.S $(obj)/stub_exe 17 18$(obj)/stub_exe.dbg: $(stub_exe_objs) FORCE 19 $(call if_changed,stub_exe) 20 21$(obj)/stub_exe: OBJCOPYFLAGS := -S 22$(obj)/stub_exe: $(obj)/stub_exe.dbg FORCE 23 $(call if_changed,objcopy) 24 25quiet_cmd_stub_exe = STUB_EXE $@ 26 cmd_stub_exe = $(CC) -nostdlib -o $@ \ 27 $(KBUILD_CFLAGS) $(STUB_EXE_LDFLAGS) \ 28 $(filter %.o,$^) 29 30STUB_EXE_LDFLAGS = -n -static 31 32targets += stub_exe.dbg stub_exe $(stub_exe_objs-y) 33 34# end 35 36# stub.o is in the stub, so it can't be built with profiling 37# GCC hardened also auto-enables -fpic, but we need %ebx so it can't work -> 38# disable it 39 40CFLAGS_stub.o := $(CFLAGS_NO_HARDENING) 41CFLAGS_stub_exe.o := $(CFLAGS_NO_HARDENING) 42UNPROFILE_OBJS := stub.o stub_exe.o 43KCOV_INSTRUMENT := n 44 45include $(srctree)/arch/um/scripts/Makefile.rules 46