| # SPDX-License-Identifier: GPL-2.0 |
| |
| KASAN_SANITIZE := n |
| KCSAN_SANITIZE := n |
| |
| targets += trampoline_$(BITS).o purgatory.ro |
| |
| # When profile-guided optimization is enabled, llvm emits two different |
| # overlapping text sections, which is not supported by kexec. Remove profile |
| # optimization flags. |
| KBUILD_CFLAGS := $(filter-out -fprofile-sample-use=% -fprofile-use=%,$(KBUILD_CFLAGS)) |
| |
| LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined |
| |
| $(obj)/purgatory.ro: $(obj)/trampoline_$(BITS).o FORCE |
| $(call if_changed,ld) |
| |
| $(obj)/kexec-purgatory.o: $(obj)/purgatory.ro |
| |
| obj-y += kexec-purgatory.o |
