1# SPDX-License-Identifier: GPL-2.0 2# 3# Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux,intel}.com) 4# 5 6# Don't instrument UML-specific code; without this, we may crash when 7# accessing the instrumentation buffer for the first time from the 8# kernel. 9KCOV_INSTRUMENT := n 10 11CPPFLAGS_vmlinux.lds := -DSTART=$(LDS_START) \ 12 -DELF_ARCH=$(LDS_ELF_ARCH) \ 13 -DELF_FORMAT=$(LDS_ELF_FORMAT) \ 14 $(LDS_EXTRA) 15extra-y := vmlinux.lds 16 17obj-y = config.o exec.o exitcode.o irq.o ksyms.o mem.o \ 18 physmem.o process.o ptrace.o reboot.o sigio.o \ 19 signal.o syscall.o sysrq.o time.o tlb.o trap.o \ 20 um_arch.o umid.o maccess.o kmsg_dump.o skas/ 21 22obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o 23obj-$(CONFIG_GPROF) += gprof_syms.o 24obj-$(CONFIG_GCOV) += gmon_syms.o 25obj-$(CONFIG_EARLY_PRINTK) += early_printk.o 26obj-$(CONFIG_STACKTRACE) += stacktrace.o 27 28USER_OBJS := config.o 29 30include arch/um/scripts/Makefile.rules 31 32targets := config.c config.tmp 33 34# Be careful with the below Sed code - sed is pitfall-rich! 35# We use sed to lower build requirements, for "embedded" builders for instance. 36 37$(obj)/config.tmp: $(objtree)/.config FORCE 38 $(call if_changed,quote1) 39 40quiet_cmd_quote1 = QUOTE $@ 41 cmd_quote1 = sed -e 's/"/\\"/g' -e 's/^/"/' -e 's/$$/\\n",/' \ 42 $< > $@ 43 44$(obj)/config.c: $(src)/config.c.in $(obj)/config.tmp FORCE 45 $(call if_changed,quote2) 46 47quiet_cmd_quote2 = QUOTE $@ 48 cmd_quote2 = sed -e '/CONFIG/{' \ 49 -e 's/"CONFIG"//' \ 50 -e 'r $(obj)/config.tmp' \ 51 -e 'a \' \ 52 -e '""' \ 53 -e '}' \ 54 $< > $@ 55