1# SPDX-License-Identifier: GPL-2.0 2 3KASAN_SANITIZE := n 4 5targets += trampoline_$(BITS).o purgatory.ro kexec-purgatory.c 6 7# When profile-guided optimization is enabled, llvm emits two different 8# overlapping text sections, which is not supported by kexec. Remove profile 9# optimization flags. 10KBUILD_CFLAGS := $(filter-out -fprofile-sample-use=% -fprofile-use=%,$(KBUILD_CFLAGS)) 11 12LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined 13 14$(obj)/purgatory.ro: $(obj)/trampoline_$(BITS).o FORCE 15 $(call if_changed,ld) 16 17quiet_cmd_bin2c = BIN2C $@ 18 cmd_bin2c = $(objtree)/scripts/bin2c kexec_purgatory < $< > $@ 19 20$(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE 21 $(call if_changed,bin2c) 22 23obj-y += kexec-purgatory.o 24