projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| aacd149b AB |
1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | # Copyright 2022 Google LLC | |
| 3 | ||
| 4 | KBUILD_CFLAGS := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) -fpie \ | |
| 5 | -Os -DDISABLE_BRANCH_PROFILING $(DISABLE_STACKLEAK_PLUGIN) \ | |
| 3dfdc275 | 6 | $(DISABLE_LATENT_ENTROPY_PLUGIN) \ |
| aacd149b AB |
7 | $(call cc-option,-mbranch-protection=none) \ |
| 8 | -I$(srctree)/scripts/dtc/libfdt -fno-stack-protector \ | |
| 9 | -include $(srctree)/include/linux/hidden.h \ | |
| 10 | -D__DISABLE_EXPORTS -ffreestanding -D__NO_FORTIFY \ | |
| 68c76ad4 | 11 | -fno-asynchronous-unwind-tables -fno-unwind-tables \ |
| aacd149b AB |
12 | $(call cc-option,-fno-addrsig) |
| 13 | ||
| 14 | # remove SCS flags from all objects in this directory | |
| 15 | KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) | |
| 16 | # disable LTO | |
| 17 | KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS)) | |
| 18 | ||
| 19 | GCOV_PROFILE := n | |
| 20 | KASAN_SANITIZE := n | |
| 21 | KCSAN_SANITIZE := n | |
| 22 | UBSAN_SANITIZE := n | |
| 23 | KCOV_INSTRUMENT := n | |
| 24 | ||
| 48157aa3 AB |
25 | hostprogs := relacheck |
| 26 | ||
| 27 | quiet_cmd_piobjcopy = $(quiet_cmd_objcopy) | |
| 28 | cmd_piobjcopy = $(cmd_objcopy) && $(obj)/relacheck $(@) $(<) | |
| 29 | ||
| aacd149b AB |
30 | $(obj)/%.pi.o: OBJCOPYFLAGS := --prefix-symbols=__pi_ \ |
| 31 | --remove-section=.note.gnu.property \ | |
| 32 | --prefix-alloc-sections=.init | |
| 48157aa3 AB |
33 | $(obj)/%.pi.o: $(obj)/%.o $(obj)/relacheck FORCE |
| 34 | $(call if_changed,piobjcopy) | |
| aacd149b AB |
35 | |
| 36 | $(obj)/lib-%.o: $(srctree)/lib/%.c FORCE | |
| 37 | $(call if_changed_rule,cc_o_c) | |
| 38 | ||
| 39 | obj-y := kaslr_early.pi.o lib-fdt.pi.o lib-fdt_ro.pi.o | |
| 40 | extra-y := $(patsubst %.pi.o,%.o,$(obj-y)) |