1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 271bb428fSJakub Kicinskiinclude ../../scripts/Makefile.include 371bb428fSJakub Kicinskiinclude ../../scripts/utilities.mak 471bb428fSJakub Kicinski 571bb428fSJakub Kicinskiifeq ($(srctree),) 671bb428fSJakub Kicinskisrctree := $(patsubst %/,%,$(dir $(CURDIR))) 771bb428fSJakub Kicinskisrctree := $(patsubst %/,%,$(dir $(srctree))) 871bb428fSJakub Kicinskisrctree := $(patsubst %/,%,$(dir $(srctree))) 971bb428fSJakub Kicinskiendif 1071bb428fSJakub Kicinski 1171bb428fSJakub Kicinskiifeq ($(V),1) 1271bb428fSJakub Kicinski Q = 1371bb428fSJakub Kicinskielse 1471bb428fSJakub Kicinski Q = @ 1571bb428fSJakub Kicinskiendif 1671bb428fSJakub Kicinski 1734e3ab14SQuentin MonnetBPF_DIR = $(srctree)/tools/lib/bpf 1871bb428fSJakub Kicinski 1971bb428fSJakub Kicinskiifneq ($(OUTPUT),) 20f012ade1SQuentin Monnet _OUTPUT := $(OUTPUT) 2171bb428fSJakub Kicinskielse 22f012ade1SQuentin Monnet _OUTPUT := $(CURDIR) 2371bb428fSJakub Kicinskiendif 24f012ade1SQuentin MonnetBOOTSTRAP_OUTPUT := $(_OUTPUT)/bootstrap/ 25f012ade1SQuentin MonnetLIBBPF_OUTPUT := $(_OUTPUT)/libbpf/ 26f012ade1SQuentin MonnetLIBBPF_DESTDIR := $(LIBBPF_OUTPUT) 27f012ade1SQuentin MonnetLIBBPF_INCLUDE := $(LIBBPF_DESTDIR)/include 2834e3ab14SQuentin MonnetLIBBPF_HDRS_DIR := $(LIBBPF_INCLUDE)/bpf 2971bb428fSJakub Kicinski 30f012ade1SQuentin MonnetLIBBPF = $(LIBBPF_OUTPUT)libbpf.a 318859b0daSJean-Philippe BruckerLIBBPF_BOOTSTRAP_OUTPUT = $(BOOTSTRAP_OUTPUT)libbpf/ 328859b0daSJean-Philippe BruckerLIBBPF_BOOTSTRAP = $(LIBBPF_BOOTSTRAP_OUTPUT)libbpf.a 3371bb428fSJakub Kicinski 34f012ade1SQuentin Monnet# We need to copy nlattr.h which is not otherwise exported by libbpf, but still 35f012ade1SQuentin Monnet# required by bpftool. 3634e3ab14SQuentin MonnetLIBBPF_INTERNAL_HDRS := $(addprefix $(LIBBPF_HDRS_DIR)/,nlattr.h) 37f012ade1SQuentin Monnet 380639e5e9SJean-Philippe Bruckerifeq ($(BPFTOOL_VERSION),) 390639e5e9SJean-Philippe BruckerBPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. kernelversion) 400639e5e9SJean-Philippe Bruckerendif 414bfe3bd3SRoman Gushchin 428859b0daSJean-Philippe Brucker$(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) $(LIBBPF_BOOTSTRAP_OUTPUT): 439e8929fdSJean-Philippe Brucker $(QUIET_MKDIR)mkdir -p $@ 449e8929fdSJean-Philippe Brucker 45ced846c6SQuentin Monnet$(LIBBPF): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_DIR)/Makefile) | $(LIBBPF_OUTPUT) 46f012ade1SQuentin Monnet $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) \ 47f012ade1SQuentin Monnet DESTDIR=$(LIBBPF_DESTDIR) prefix= $(LIBBPF) install_headers 48f012ade1SQuentin Monnet 4934e3ab14SQuentin Monnet$(LIBBPF_INTERNAL_HDRS): $(LIBBPF_HDRS_DIR)/%.h: $(BPF_DIR)/%.h $(LIBBPF) 5034e3ab14SQuentin Monnet $(call QUIET_INSTALL, $@) 5134e3ab14SQuentin Monnet $(Q)install -m 644 -t $(LIBBPF_HDRS_DIR) $< 5271bb428fSJakub Kicinski 53ced846c6SQuentin Monnet$(LIBBPF_BOOTSTRAP): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_DIR)/Makefile) | $(LIBBPF_BOOTSTRAP_OUTPUT) 548859b0daSJean-Philippe Brucker $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) \ 558859b0daSJean-Philippe Brucker ARCH= CC=$(HOSTCC) LD=$(HOSTLD) $@ 568859b0daSJean-Philippe Brucker 57c3653879SJean-Philippe Brucker$(LIBBPF)-clean: FORCE | $(LIBBPF_OUTPUT) 5871bb428fSJakub Kicinski $(call QUIET_CLEAN, libbpf) 5945c5589dSQuentin Monnet $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) clean >/dev/null 6071bb428fSJakub Kicinski 61c3653879SJean-Philippe Brucker$(LIBBPF_BOOTSTRAP)-clean: FORCE | $(LIBBPF_BOOTSTRAP_OUTPUT) 628859b0daSJean-Philippe Brucker $(call QUIET_CLEAN, libbpf-bootstrap) 638859b0daSJean-Philippe Brucker $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) clean >/dev/null 648859b0daSJean-Philippe Brucker 65658e85aaSQuentin Monnetprefix ?= /usr/local 66507e590dSQuentin Monnetbash_compdir ?= /usr/share/bash-completion/completions 6771bb428fSJakub Kicinski 6871bb428fSJakub KicinskiCFLAGS += -O2 69a9436dcaSQuentin MonnetCFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers 7017bbf925SAndrii NakryikoCFLAGS += $(filter-out -Wswitch-enum -Wnested-externs,$(EXTRA_WARNINGS)) 71f412eed9SJakub KicinskiCFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \ 7205aca6daSAndrii Nakryiko -I$(if $(OUTPUT),$(OUTPUT),.) \ 73f012ade1SQuentin Monnet -I$(LIBBPF_INCLUDE) \ 74f412eed9SJakub Kicinski -I$(srctree)/kernel/bpf/ \ 75f412eed9SJakub Kicinski -I$(srctree)/tools/include \ 76f412eed9SJakub Kicinski -I$(srctree)/tools/include/uapi \ 77f412eed9SJakub Kicinski -I$(srctree)/tools/perf 784bfe3bd3SRoman GushchinCFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"' 790ef6bf39SJiri Olsaifneq ($(EXTRA_CFLAGS),) 800ef6bf39SJiri OlsaCFLAGS += $(EXTRA_CFLAGS) 810ef6bf39SJiri Olsaendif 82c8506165SJiri Olsaifneq ($(EXTRA_LDFLAGS),) 83c8506165SJiri OlsaLDFLAGS += $(EXTRA_LDFLAGS) 84c8506165SJiri Olsaendif 850ef6bf39SJiri Olsa 86658e85aaSQuentin MonnetINSTALL ?= install 87658e85aaSQuentin MonnetRM ?= rm -f 88658e85aaSQuentin Monnet 89fb982666SRoman GushchinFEATURE_USER = .bpftool 900b3b9ca3SQuentin MonnetFEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib libcap \ 9105aca6daSAndrii Nakryiko clang-bpf-co-re 920b3b9ca3SQuentin MonnetFEATURE_DISPLAY = libbfd disassembler-four-args zlib libcap \ 9305aca6daSAndrii Nakryiko clang-bpf-co-re 94fb982666SRoman Gushchin 95fb982666SRoman Gushchincheck_feat := 1 96fb982666SRoman GushchinNON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall 97fb982666SRoman Gushchinifdef MAKECMDGOALS 98fb982666SRoman Gushchinifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) 99fb982666SRoman Gushchin check_feat := 0 100fb982666SRoman Gushchinendif 101fb982666SRoman Gushchinendif 102fb982666SRoman Gushchin 103fb982666SRoman Gushchinifeq ($(check_feat),1) 104fb982666SRoman Gushchinifeq ($(FEATURES_DUMP),) 105fb982666SRoman Gushchininclude $(srctree)/tools/build/Makefile.feature 106fb982666SRoman Gushchinelse 107fb982666SRoman Gushchininclude $(FEATURES_DUMP) 108fb982666SRoman Gushchinendif 109fb982666SRoman Gushchinendif 110fb982666SRoman Gushchin 111fb982666SRoman Gushchinifeq ($(feature-disassembler-four-args), 1) 112fb982666SRoman GushchinCFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 113fb982666SRoman Gushchinendif 114fb982666SRoman Gushchin 115531b014eSJakub Kicinskiifeq ($(feature-reallocarray), 0) 116531b014eSJakub KicinskiCFLAGS += -DCOMPAT_NEED_REALLOCARRAY 117531b014eSJakub Kicinskiendif 118531b014eSJakub Kicinski 1190b3b9ca3SQuentin MonnetLIBS = $(LIBBPF) -lelf -lz 1208859b0daSJean-Philippe BruckerLIBS_BOOTSTRAP = $(LIBBPF_BOOTSTRAP) -lelf -lz 1210b3b9ca3SQuentin Monnetifeq ($(feature-libcap), 1) 1220b3b9ca3SQuentin MonnetCFLAGS += -DUSE_LIBCAP 1230b3b9ca3SQuentin MonnetLIBS += -lcap 1240b3b9ca3SQuentin Monnetendif 1250b3b9ca3SQuentin Monnet 12690126e3aSJakub Kicinskiinclude $(wildcard $(OUTPUT)*.d) 12771bb428fSJakub Kicinski 12871bb428fSJakub Kicinskiall: $(OUTPUT)bpftool 12971bb428fSJakub Kicinski 13029a9c10eSStanislav FomichevBFD_SRCS = jit_disasm.c 13129a9c10eSStanislav Fomichev 13229a9c10eSStanislav FomichevSRCS = $(filter-out $(BFD_SRCS),$(wildcard *.c)) 13329a9c10eSStanislav Fomichev 13429a9c10eSStanislav Fomichevifeq ($(feature-libbfd),1) 1356e8ccb4fSStanislav Fomichev LIBS += -lbfd -ldl -lopcodes 1366e8ccb4fSStanislav Fomichevelse ifeq ($(feature-libbfd-liberty),1) 1376e8ccb4fSStanislav Fomichev LIBS += -lbfd -ldl -lopcodes -liberty 1386e8ccb4fSStanislav Fomichevelse ifeq ($(feature-libbfd-liberty-z),1) 1396e8ccb4fSStanislav Fomichev LIBS += -lbfd -ldl -lopcodes -liberty -lz 1406e8ccb4fSStanislav Fomichevendif 1416e8ccb4fSStanislav Fomichev 1426e8ccb4fSStanislav Fomichevifneq ($(filter -lbfd,$(LIBS)),) 14329a9c10eSStanislav FomichevCFLAGS += -DHAVE_LIBBFD_SUPPORT 14429a9c10eSStanislav FomichevSRCS += $(BFD_SRCS) 14529a9c10eSStanislav Fomichevendif 14629a9c10eSStanislav Fomichev 1478859b0daSJean-Philippe BruckerBPFTOOL_BOOTSTRAP := $(BOOTSTRAP_OUTPUT)bpftool 14816e9b187SAndrii Nakryiko 1490779890fSJean-Philippe BruckerBOOTSTRAP_OBJS = $(addprefix $(BOOTSTRAP_OUTPUT),main.o common.o json_writer.o gen.o btf.o xlated_dumper.o btf_dumper.o disasm.o) 1500b46b755SQuentin Monnet$(BOOTSTRAP_OBJS): $(LIBBPF_BOOTSTRAP) 1510b46b755SQuentin Monnet 152c9c35995SJakub KicinskiOBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o 15334e3ab14SQuentin Monnet$(OBJS): $(LIBBPF) $(LIBBPF_INTERNAL_HDRS) 15447c09d6aSSong Liu 155ec23eb70SAndrii NakryikoVMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 15605aca6daSAndrii Nakryiko $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 15705aca6daSAndrii Nakryiko ../../../vmlinux \ 15805aca6daSAndrii Nakryiko /sys/kernel/btf/vmlinux \ 15905aca6daSAndrii Nakryiko /boot/vmlinux-$(shell uname -r) 160ec23eb70SAndrii NakryikoVMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 16114e5728fSSong Liu 162d2032d45SSong Liubootstrap: $(BPFTOOL_BOOTSTRAP) 163d2032d45SSong Liu 164ec23eb70SAndrii Nakryikoifneq ($(VMLINUX_BTF)$(VMLINUX_H),) 16505aca6daSAndrii Nakryikoifeq ($(feature-clang-bpf-co-re),1) 16605aca6daSAndrii Nakryiko 16705aca6daSAndrii NakryikoBUILD_BPF_SKELS := 1 16805aca6daSAndrii Nakryiko 16905aca6daSAndrii Nakryiko$(OUTPUT)vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL_BOOTSTRAP) 170ec23eb70SAndrii Nakryikoifeq ($(VMLINUX_H),) 17105aca6daSAndrii Nakryiko $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) btf dump file $< format c > $@ 172ec23eb70SAndrii Nakryikoelse 173ec23eb70SAndrii Nakryiko $(Q)cp "$(VMLINUX_H)" $@ 174ec23eb70SAndrii Nakryikoendif 17505aca6daSAndrii Nakryiko 17605aca6daSAndrii Nakryiko$(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF) 177fe4eb069STobias Klauser $(QUIET_CLANG)$(CLANG) \ 17805aca6daSAndrii Nakryiko -I$(if $(OUTPUT),$(OUTPUT),.) \ 179fe4eb069STobias Klauser -I$(srctree)/tools/include/uapi/ \ 180f012ade1SQuentin Monnet -I$(LIBBPF_INCLUDE) \ 181bade5c55SIan Rogers -g -O2 -Wall -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@ 18247c09d6aSSong Liu 18305aca6daSAndrii Nakryiko$(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP) 18405aca6daSAndrii Nakryiko $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen skeleton $< > $@ 18547c09d6aSSong Liu 18605aca6daSAndrii Nakryiko$(OUTPUT)prog.o: $(OUTPUT)profiler.skel.h 18705aca6daSAndrii Nakryiko 188d53dee3fSAndrii Nakryiko$(OUTPUT)pids.o: $(OUTPUT)pid_iter.skel.h 189d53dee3fSAndrii Nakryiko 19005aca6daSAndrii Nakryikoendif 19105aca6daSAndrii Nakryikoendif 19205aca6daSAndrii Nakryiko 1939d9d8cc2STobias KlauserCFLAGS += $(if $(BUILD_BPF_SKELS),,-DBPFTOOL_WITHOUT_SKELETONS) 194c9c35995SJakub Kicinski 1950779890fSJean-Philippe Brucker$(BOOTSTRAP_OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c 1960779890fSJean-Philippe Brucker $(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD -o $@ $< 1970779890fSJean-Philippe Brucker 198c9c35995SJakub Kicinski$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c 199d70a6be1SIlya Leoshkevich $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $< 20071bb428fSJakub Kicinski 201*062e1fc0SQuentin Monnet$(OUTPUT)feature.o: 202*062e1fc0SQuentin Monnetifneq ($(feature-zlib), 1) 203*062e1fc0SQuentin Monnet $(error "No zlib found") 204*062e1fc0SQuentin Monnetendif 205d66fa3c7SPeter Wu 2068859b0daSJean-Philippe Brucker$(BPFTOOL_BOOTSTRAP): $(BOOTSTRAP_OBJS) $(LIBBPF_BOOTSTRAP) 2078859b0daSJean-Philippe Brucker $(QUIET_LINK)$(HOSTCC) $(CFLAGS) $(LDFLAGS) -o $@ $(BOOTSTRAP_OBJS) \ 2088859b0daSJean-Philippe Brucker $(LIBS_BOOTSTRAP) 20916e9b187SAndrii Nakryiko 21016e9b187SAndrii Nakryiko$(OUTPUT)bpftool: $(OBJS) $(LIBBPF) 21116e9b187SAndrii Nakryiko $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(LIBS) 21271bb428fSJakub Kicinski 2138859b0daSJean-Philippe Brucker$(BOOTSTRAP_OUTPUT)%.o: %.c | $(BOOTSTRAP_OUTPUT) 2148859b0daSJean-Philippe Brucker $(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD -o $@ $< 2158859b0daSJean-Philippe Brucker 21671bb428fSJakub Kicinski$(OUTPUT)%.o: %.c 217d70a6be1SIlya Leoshkevich $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $< 21871bb428fSJakub Kicinski 219661b37cdSJesper Dangaard Brouerfeature-detect-clean: 220661b37cdSJesper Dangaard Brouer $(call QUIET_CLEAN, feature-detect) 221661b37cdSJesper Dangaard Brouer $(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null 222661b37cdSJesper Dangaard Brouer 2238859b0daSJean-Philippe Bruckerclean: $(LIBBPF)-clean $(LIBBPF_BOOTSTRAP)-clean feature-detect-clean 22471bb428fSJakub Kicinski $(call QUIET_CLEAN, bpftool) 225fbdb620bSQuentin Monnet $(Q)$(RM) -- $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d 2268859b0daSJean-Philippe Brucker $(Q)$(RM) -- $(OUTPUT)*.skel.h $(OUTPUT)vmlinux.h 2278859b0daSJean-Philippe Brucker $(Q)$(RM) -r -- $(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) 228cc5b3403SJakub Kicinski $(call QUIET_CLEAN, core-gen) 229fbdb620bSQuentin Monnet $(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpftool 230fbdb620bSQuentin Monnet $(Q)$(RM) -r -- $(OUTPUT)feature/ 23171bb428fSJakub Kicinski 232d7db0a4eSQuentin Monnetinstall-bin: $(OUTPUT)bpftool 233658e85aaSQuentin Monnet $(call QUIET_INSTALL, bpftool) 234658e85aaSQuentin Monnet $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin 235658e85aaSQuentin Monnet $(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool 236d7db0a4eSQuentin Monnet 237d7db0a4eSQuentin Monnetinstall: install-bin 238658e85aaSQuentin Monnet $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir) 239658e85aaSQuentin Monnet $(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir) 24071bb428fSJakub Kicinski 241d3244248SQuentin Monnetuninstall: 242d3244248SQuentin Monnet $(call QUIET_UNINST, bpftool) 243fbdb620bSQuentin Monnet $(Q)$(RM) -- $(DESTDIR)$(prefix)/sbin/bpftool 244fbdb620bSQuentin Monnet $(Q)$(RM) -- $(DESTDIR)$(bash_compdir)/bpftool 245d3244248SQuentin Monnet 246ff69c21aSJakub Kicinskidoc: 247658e85aaSQuentin Monnet $(call descend,Documentation) 248658e85aaSQuentin Monnet 249658e85aaSQuentin Monnetdoc-clean: 250658e85aaSQuentin Monnet $(call descend,Documentation,clean) 251ff69c21aSJakub Kicinski 252ff69c21aSJakub Kicinskidoc-install: 253658e85aaSQuentin Monnet $(call descend,Documentation,install) 254ff69c21aSJakub Kicinski 255d3244248SQuentin Monnetdoc-uninstall: 256d3244248SQuentin Monnet $(call descend,Documentation,uninstall) 257d3244248SQuentin Monnet 25871bb428fSJakub KicinskiFORCE: 25971bb428fSJakub Kicinski 26005aca6daSAndrii Nakryiko.SECONDARY: 261*062e1fc0SQuentin Monnet.PHONY: all FORCE clean install-bin install uninstall 262d3244248SQuentin Monnet.PHONY: doc doc-clean doc-install doc-uninstall 26371bb428fSJakub Kicinski.DEFAULT_GOAL := all 264