1# SPDX-License-Identifier: GPL-2.0 2 3KASAN_SANITIZE := n 4KCSAN_SANITIZE := n 5 6targets += trampoline_$(BITS).o purgatory.ro 7 8# When profile-guided optimization is enabled, llvm emits two different 9# overlapping text sections, which is not supported by kexec. Remove profile 10# optimization flags. 11KBUILD_CFLAGS := $(filter-out -fprofile-sample-use=% -fprofile-use=%,$(KBUILD_CFLAGS)) 12 13LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined 14 15$(obj)/purgatory.ro: $(obj)/trampoline_$(BITS).o FORCE 16 $(call if_changed,ld) 17 18$(obj)/kexec-purgatory.o: $(obj)/purgatory.ro 19 20obj-y += kexec-purgatory.o 21