1 # SPDX-License-Identifier: GPL-2.0
2 # Copyright 2022 Google LLC
3
4 KBUILD_CFLAGS := $(subst $(CC_FLAGS_FTRACE),
5 -Os -DDISABLE_BRANCH_PROFIL
6 $(DISABLE_LATENT_ENTROPY_PL
7 $(call cc-option,-mbranch-p
8 -I$(srctree)/scripts/dtc/li
9 -include $(srctree)/include
10 -D__DISABLE_EXPORTS -ffrees
11 -fno-asynchronous-unwind-ta
12 $(call cc-option,-fno-addrs
13
14 # this code may run with the MMU off so disabl
15 CFLAGS_map_range.o += -mstrict-align
16
17 # remove SCS flags from all objects in this di
18 KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS
19 # disable LTO
20 KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO
21
22 hostprogs := relacheck
23
24 quiet_cmd_piobjcopy = $(quiet_cmd_objcopy)
25 cmd_piobjcopy = $(cmd_objcopy) && $(obj)
26
27 $(obj)/%.pi.o: OBJCOPYFLAGS := --prefix-symbol
28 --remove-sectio
29 $(obj)/%.pi.o: $(obj)/%.o $(obj)/relacheck FOR
30 $(call if_changed,piobjcopy)
31
32 # ensure that all the lib- code ends up as __i
33 $(obj)/lib-%.pi.o: OBJCOPYFLAGS += --prefix-al
34
35 $(obj)/lib-%.o: $(srctree)/lib/%.c FORCE
36 $(call if_changed_rule,cc_o_c)
37
38 obj-y := idr
39 map
40 lib
41 obj-$(CONFIG_RELOCATABLE) += rel
42 obj-$(CONFIG_RANDOMIZE_BASE) += kas
43 obj-$(CONFIG_UNWIND_PATCH_PAC_INTO_SCS) += pat
44 extra-y := $(p
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