1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 2442f04c3SJosh Poimboeufinclude ../scripts/Makefile.include 3630e7a29SArnaldo Carvalho de Meloinclude ../scripts/Makefile.arch 4442f04c3SJosh Poimboeuf 5442f04c3SJosh Poimboeufifeq ($(srctree),) 6e19b7ceeSUwe Kleine-Königsrctree := $(patsubst %/,%,$(dir $(CURDIR))) 7442f04c3SJosh Poimboeufsrctree := $(patsubst %/,%,$(dir $(srctree))) 8442f04c3SJosh Poimboeufendif 9442f04c3SJosh Poimboeuf 10bdb8bf7dSIan RogersLIBSUBCMD_DIR = $(srctree)/tools/lib/subcmd/ 11bdb8bf7dSIan Rogersifneq ($(OUTPUT),) 12bdb8bf7dSIan Rogers LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmd 13bdb8bf7dSIan Rogerselse 14bdb8bf7dSIan Rogers LIBSUBCMD_OUTPUT = $(CURDIR)/libsubcmd 15bdb8bf7dSIan Rogersendif 16bdb8bf7dSIan RogersLIBSUBCMD = $(LIBSUBCMD_OUTPUT)/libsubcmd.a 17442f04c3SJosh Poimboeuf 18442f04c3SJosh PoimboeufOBJTOOL := $(OUTPUT)objtool 19442f04c3SJosh PoimboeufOBJTOOL_IN := $(OBJTOOL)-in.o 20442f04c3SJosh Poimboeuf 21d5ea4fecSChun-Tse ShaoLIBELF_FLAGS := $(shell $(HOSTPKG_CONFIG) libelf --cflags 2>/dev/null) 22d5ea4fecSChun-Tse ShaoLIBELF_LIBS := $(shell $(HOSTPKG_CONFIG) libelf --libs 2>/dev/null || echo -lelf) 23056d28d1SRolf Eike Beer 24442f04c3SJosh Poimboeufall: $(OBJTOOL) 25442f04c3SJosh Poimboeuf 26*31eca25fSJosh PoimboeufWARNINGS := -Werror -Wall -Wextra -Wmissing-prototypes \ 27*31eca25fSJosh Poimboeuf -Wmissing-declarations -Wwrite-strings \ 28*31eca25fSJosh Poimboeuf -Wno-implicit-fallthrough -Wno-sign-compare \ 29*31eca25fSJosh Poimboeuf -Wno-unused-parameter 30*31eca25fSJosh Poimboeuf 316a77cff8SJosh PoimboeufINCLUDES := -I$(srctree)/tools/include \ 3232b50485SHONG Yifan -I$(srctree)/tools/include/uapi \ 336a77cff8SJosh Poimboeuf -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ 346f8ca676SJulien Thierry -I$(srctree)/tools/arch/$(SRCARCH)/include \ 357786032eSVasily Gorbik -I$(srctree)/tools/objtool/include \ 36bdb8bf7dSIan Rogers -I$(srctree)/tools/objtool/arch/$(SRCARCH)/include \ 37bdb8bf7dSIan Rogers -I$(LIBSUBCMD_OUTPUT)/include 38*31eca25fSJosh Poimboeuf 39*31eca25fSJosh PoimboeufOBJTOOL_CFLAGS := -std=gnu11 -fomit-frame-pointer -O2 -g \ 40*31eca25fSJosh Poimboeuf $(WARNINGS) $(INCLUDES) $(LIBELF_FLAGS) $(HOSTCFLAGS) 41*31eca25fSJosh Poimboeuf 42*31eca25fSJosh PoimboeufOBJTOOL_LDFLAGS := $(LIBSUBCMD) $(LIBELF_LIBS) $(HOSTLDFLAGS) 43442f04c3SJosh Poimboeuf 442e51f262SJan Beulich# Allow old libelf to be used: 45bf71940fSDavid Engrafelfshdr := $(shell echo '$(pound)include <libelf.h>' | $(HOSTCC) $(OBJTOOL_CFLAGS) -x c -E - 2>/dev/null | grep elf_getshdr) 46cd955bddSIan RogersOBJTOOL_CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED) 47cd955bddSIan Rogers 48cd955bddSIan Rogers# Always want host compilation. 49cd955bddSIan RogersHOST_OVERRIDES := CC="$(HOSTCC)" LD="$(HOSTLD)" AR="$(HOSTAR)" 502e51f262SJan Beulich 51442f04c3SJosh PoimboeufAWK = awk 52bdb8bf7dSIan RogersMKDIR = mkdir 530decf1f8SMatt Helsley 54b51277ebSJosh PoimboeufBUILD_ORC := n 550decf1f8SMatt Helsley 560decf1f8SMatt Helsleyifeq ($(SRCARCH),x86) 57b51277ebSJosh Poimboeuf BUILD_ORC := y 580decf1f8SMatt Helsleyendif 590decf1f8SMatt Helsley 603c7266cdSTiezhu Yangifeq ($(SRCARCH),loongarch) 613c7266cdSTiezhu Yang BUILD_ORC := y 623c7266cdSTiezhu Yangendif 633c7266cdSTiezhu Yang 64b51277ebSJosh Poimboeufexport BUILD_ORC 6560cbdf5dSJosh Poimboeufexport srctree OUTPUT CFLAGS SRCARCH AWK 66442f04c3SJosh Poimboeufinclude $(srctree)/tools/build/Makefile.include 67442f04c3SJosh Poimboeuf 68cd955bddSIan Rogers$(OBJTOOL_IN): fixdep $(LIBSUBCMD) FORCE 698c4526caSIan Rogers $(Q)$(CONFIG_SHELL) ./sync-check.sh 70cd955bddSIan Rogers $(Q)$(MAKE) $(build)=objtool $(HOST_OVERRIDES) CFLAGS="$(OBJTOOL_CFLAGS)" \ 71cd955bddSIan Rogers LDFLAGS="$(OBJTOOL_LDFLAGS)" 72cd955bddSIan Rogers 73442f04c3SJosh Poimboeuf 74442f04c3SJosh Poimboeuf$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) 75cd955bddSIan Rogers $(QUIET_LINK)$(HOSTCC) $(OBJTOOL_IN) $(OBJTOOL_LDFLAGS) -o $@ 76442f04c3SJosh Poimboeuf 77442f04c3SJosh Poimboeuf 78bdb8bf7dSIan Rogers$(LIBSUBCMD_OUTPUT): 798c4526caSIan Rogers $(Q)$(MKDIR) -p $@ 80442f04c3SJosh Poimboeuf 81bdb8bf7dSIan Rogers$(LIBSUBCMD): fixdep $(LIBSUBCMD_OUTPUT) FORCE 828c4526caSIan Rogers $(Q)$(MAKE) -C $(LIBSUBCMD_DIR) O=$(LIBSUBCMD_OUTPUT) \ 83bdb8bf7dSIan Rogers DESTDIR=$(LIBSUBCMD_OUTPUT) prefix= subdir= \ 84cd955bddSIan Rogers $(HOST_OVERRIDES) EXTRA_CFLAGS="$(OBJTOOL_CFLAGS)" \ 85bdb8bf7dSIan Rogers $@ install_headers 86bdb8bf7dSIan Rogers 87bdb8bf7dSIan Rogers$(LIBSUBCMD)-clean: 88bdb8bf7dSIan Rogers $(call QUIET_CLEAN, libsubcmd) 89bdb8bf7dSIan Rogers $(Q)$(RM) -r -- $(LIBSUBCMD_OUTPUT) 90bdb8bf7dSIan Rogers 91bdb8bf7dSIan Rogersclean: $(LIBSUBCMD)-clean 92442f04c3SJosh Poimboeuf $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL) 93442f04c3SJosh Poimboeuf $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete 94bdb8bf7dSIan Rogers $(Q)$(RM) $(OUTPUT)arch/x86/lib/inat-tables.c $(OUTPUT)fixdep 95442f04c3SJosh Poimboeuf 96442f04c3SJosh PoimboeufFORCE: 97442f04c3SJosh Poimboeuf 98442f04c3SJosh Poimboeuf.PHONY: clean FORCE 99