11a8b597dSQuentin Monnet# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 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 348f184732SQuentin Monnet# We need to copy hashmap.h and nlattr.h which is not otherwise exported by 358f184732SQuentin Monnet# libbpf, but still required by bpftool. 368f184732SQuentin MonnetLIBBPF_INTERNAL_HDRS := $(addprefix $(LIBBPF_HDRS_DIR)/,hashmap.h nlattr.h) 37f012ade1SQuentin Monnet 380639e5e9SJean-Philippe Bruckerifeq ($(BPFTOOL_VERSION),) 390639e5e9SJean-Philippe BruckerBPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. kernelversion) 400639e5e9SJean-Philippe Bruckerendif 414bfe3bd3SRoman Gushchin 428b6c4624SQuentin Monnet$(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) $(LIBBPF_BOOTSTRAP_OUTPUT) $(LIBBPF_HDRS_DIR): 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= $(LIBBPF) install_headers 48f012ade1SQuentin Monnet 498b6c4624SQuentin Monnet$(LIBBPF_INTERNAL_HDRS): $(LIBBPF_HDRS_DIR)/%.h: $(BPF_DIR)/%.h | $(LIBBPF_HDRS_DIR) 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$(srctree)/tools/include \ 76efc36d6cSQuentin Monnet -I$(srctree)/tools/include/uapi 774bfe3bd3SRoman GushchinCFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"' 780ef6bf39SJiri Olsaifneq ($(EXTRA_CFLAGS),) 790ef6bf39SJiri OlsaCFLAGS += $(EXTRA_CFLAGS) 800ef6bf39SJiri Olsaendif 81c8506165SJiri Olsaifneq ($(EXTRA_LDFLAGS),) 82c8506165SJiri OlsaLDFLAGS += $(EXTRA_LDFLAGS) 83c8506165SJiri Olsaendif 840ef6bf39SJiri Olsa 85658e85aaSQuentin MonnetINSTALL ?= install 86658e85aaSQuentin MonnetRM ?= rm -f 87658e85aaSQuentin Monnet 88fb982666SRoman GushchinFEATURE_USER = .bpftool 890b3b9ca3SQuentin MonnetFEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib libcap \ 9005aca6daSAndrii Nakryiko clang-bpf-co-re 910b3b9ca3SQuentin MonnetFEATURE_DISPLAY = libbfd disassembler-four-args zlib libcap \ 9205aca6daSAndrii Nakryiko clang-bpf-co-re 93fb982666SRoman Gushchin 94fb982666SRoman Gushchincheck_feat := 1 95fb982666SRoman GushchinNON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall 96fb982666SRoman Gushchinifdef MAKECMDGOALS 97fb982666SRoman Gushchinifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) 98fb982666SRoman Gushchin check_feat := 0 99fb982666SRoman Gushchinendif 100fb982666SRoman Gushchinendif 101fb982666SRoman Gushchin 102fb982666SRoman Gushchinifeq ($(check_feat),1) 103fb982666SRoman Gushchinifeq ($(FEATURES_DUMP),) 104fb982666SRoman Gushchininclude $(srctree)/tools/build/Makefile.feature 105fb982666SRoman Gushchinelse 106fb982666SRoman Gushchininclude $(FEATURES_DUMP) 107fb982666SRoman Gushchinendif 108fb982666SRoman Gushchinendif 109fb982666SRoman Gushchin 110fb982666SRoman Gushchinifeq ($(feature-disassembler-four-args), 1) 111fb982666SRoman GushchinCFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 112fb982666SRoman Gushchinendif 113fb982666SRoman Gushchin 114531b014eSJakub Kicinskiifeq ($(feature-reallocarray), 0) 115531b014eSJakub KicinskiCFLAGS += -DCOMPAT_NEED_REALLOCARRAY 116531b014eSJakub Kicinskiendif 117531b014eSJakub Kicinski 1180b3b9ca3SQuentin MonnetLIBS = $(LIBBPF) -lelf -lz 1198859b0daSJean-Philippe BruckerLIBS_BOOTSTRAP = $(LIBBPF_BOOTSTRAP) -lelf -lz 1200b3b9ca3SQuentin Monnetifeq ($(feature-libcap), 1) 1210b3b9ca3SQuentin MonnetCFLAGS += -DUSE_LIBCAP 1220b3b9ca3SQuentin MonnetLIBS += -lcap 1230b3b9ca3SQuentin Monnetendif 1240b3b9ca3SQuentin Monnet 12590126e3aSJakub Kicinskiinclude $(wildcard $(OUTPUT)*.d) 12671bb428fSJakub Kicinski 12771bb428fSJakub Kicinskiall: $(OUTPUT)bpftool 12871bb428fSJakub Kicinski 12929a9c10eSStanislav FomichevBFD_SRCS = jit_disasm.c 13029a9c10eSStanislav Fomichev 13129a9c10eSStanislav FomichevSRCS = $(filter-out $(BFD_SRCS),$(wildcard *.c)) 13229a9c10eSStanislav Fomichev 13329a9c10eSStanislav Fomichevifeq ($(feature-libbfd),1) 1346e8ccb4fSStanislav Fomichev LIBS += -lbfd -ldl -lopcodes 1356e8ccb4fSStanislav Fomichevelse ifeq ($(feature-libbfd-liberty),1) 1366e8ccb4fSStanislav Fomichev LIBS += -lbfd -ldl -lopcodes -liberty 1376e8ccb4fSStanislav Fomichevelse ifeq ($(feature-libbfd-liberty-z),1) 1386e8ccb4fSStanislav Fomichev LIBS += -lbfd -ldl -lopcodes -liberty -lz 1396e8ccb4fSStanislav Fomichevendif 1406e8ccb4fSStanislav Fomichev 1416e8ccb4fSStanislav Fomichevifneq ($(filter -lbfd,$(LIBS)),) 14229a9c10eSStanislav FomichevCFLAGS += -DHAVE_LIBBFD_SUPPORT 14329a9c10eSStanislav FomichevSRCS += $(BFD_SRCS) 14429a9c10eSStanislav Fomichevendif 14529a9c10eSStanislav Fomichev 1468859b0daSJean-Philippe BruckerBPFTOOL_BOOTSTRAP := $(BOOTSTRAP_OUTPUT)bpftool 14716e9b187SAndrii Nakryiko 1480779890fSJean-Philippe BruckerBOOTSTRAP_OBJS = $(addprefix $(BOOTSTRAP_OUTPUT),main.o common.o json_writer.o gen.o btf.o xlated_dumper.o btf_dumper.o disasm.o) 1490b46b755SQuentin Monnet$(BOOTSTRAP_OBJS): $(LIBBPF_BOOTSTRAP) 1500b46b755SQuentin Monnet 151c9c35995SJakub KicinskiOBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o 15234e3ab14SQuentin Monnet$(OBJS): $(LIBBPF) $(LIBBPF_INTERNAL_HDRS) 15347c09d6aSSong Liu 154ec23eb70SAndrii NakryikoVMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 15505aca6daSAndrii Nakryiko $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 15605aca6daSAndrii Nakryiko ../../../vmlinux \ 15705aca6daSAndrii Nakryiko /sys/kernel/btf/vmlinux \ 15805aca6daSAndrii Nakryiko /boot/vmlinux-$(shell uname -r) 159ec23eb70SAndrii NakryikoVMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 16014e5728fSSong Liu 161d2032d45SSong Liubootstrap: $(BPFTOOL_BOOTSTRAP) 162d2032d45SSong Liu 163ec23eb70SAndrii Nakryikoifneq ($(VMLINUX_BTF)$(VMLINUX_H),) 16405aca6daSAndrii Nakryikoifeq ($(feature-clang-bpf-co-re),1) 16505aca6daSAndrii Nakryiko 16605aca6daSAndrii NakryikoBUILD_BPF_SKELS := 1 16705aca6daSAndrii Nakryiko 16805aca6daSAndrii Nakryiko$(OUTPUT)vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL_BOOTSTRAP) 169ec23eb70SAndrii Nakryikoifeq ($(VMLINUX_H),) 17005aca6daSAndrii Nakryiko $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) btf dump file $< format c > $@ 171ec23eb70SAndrii Nakryikoelse 172ec23eb70SAndrii Nakryiko $(Q)cp "$(VMLINUX_H)" $@ 173ec23eb70SAndrii Nakryikoendif 17405aca6daSAndrii Nakryiko 17505aca6daSAndrii Nakryiko$(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF) 176fe4eb069STobias Klauser $(QUIET_CLANG)$(CLANG) \ 17705aca6daSAndrii Nakryiko -I$(if $(OUTPUT),$(OUTPUT),.) \ 178fe4eb069STobias Klauser -I$(srctree)/tools/include/uapi/ \ 179f012ade1SQuentin Monnet -I$(LIBBPF_INCLUDE) \ 180*6501182cSAndrii Nakryiko -g -O2 -Wall -target bpf -c $< -o $@ 181*6501182cSAndrii Nakryiko $(Q)$(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 196*6501182cSAndrii Nakryiko $(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD $< -o $@ 1970779890fSJean-Philippe Brucker 198c9c35995SJakub Kicinski$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c 199*6501182cSAndrii Nakryiko $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< -o $@ 20071bb428fSJakub Kicinski 201062e1fc0SQuentin Monnet$(OUTPUT)feature.o: 202062e1fc0SQuentin Monnetifneq ($(feature-zlib), 1) 203062e1fc0SQuentin Monnet $(error "No zlib found") 204062e1fc0SQuentin Monnetendif 205d66fa3c7SPeter Wu 2068859b0daSJean-Philippe Brucker$(BPFTOOL_BOOTSTRAP): $(BOOTSTRAP_OBJS) $(LIBBPF_BOOTSTRAP) 207*6501182cSAndrii Nakryiko $(QUIET_LINK)$(HOSTCC) $(CFLAGS) $(LDFLAGS) $(BOOTSTRAP_OBJS) $(LIBS_BOOTSTRAP) -o $@ 20816e9b187SAndrii Nakryiko 20916e9b187SAndrii Nakryiko$(OUTPUT)bpftool: $(OBJS) $(LIBBPF) 210*6501182cSAndrii Nakryiko $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o $@ 21171bb428fSJakub Kicinski 2128f184732SQuentin Monnet$(BOOTSTRAP_OUTPUT)%.o: %.c $(LIBBPF_INTERNAL_HDRS) | $(BOOTSTRAP_OUTPUT) 213*6501182cSAndrii Nakryiko $(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD $< -o $@ 2148859b0daSJean-Philippe Brucker 21571bb428fSJakub Kicinski$(OUTPUT)%.o: %.c 216*6501182cSAndrii Nakryiko $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< -o $@ 21771bb428fSJakub Kicinski 218661b37cdSJesper Dangaard Brouerfeature-detect-clean: 219661b37cdSJesper Dangaard Brouer $(call QUIET_CLEAN, feature-detect) 220661b37cdSJesper Dangaard Brouer $(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null 221661b37cdSJesper Dangaard Brouer 2228859b0daSJean-Philippe Bruckerclean: $(LIBBPF)-clean $(LIBBPF_BOOTSTRAP)-clean feature-detect-clean 22371bb428fSJakub Kicinski $(call QUIET_CLEAN, bpftool) 224fbdb620bSQuentin Monnet $(Q)$(RM) -- $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d 2258859b0daSJean-Philippe Brucker $(Q)$(RM) -- $(OUTPUT)*.skel.h $(OUTPUT)vmlinux.h 2268859b0daSJean-Philippe Brucker $(Q)$(RM) -r -- $(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) 227cc5b3403SJakub Kicinski $(call QUIET_CLEAN, core-gen) 228fbdb620bSQuentin Monnet $(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpftool 229fbdb620bSQuentin Monnet $(Q)$(RM) -r -- $(OUTPUT)feature/ 23071bb428fSJakub Kicinski 231d7db0a4eSQuentin Monnetinstall-bin: $(OUTPUT)bpftool 232658e85aaSQuentin Monnet $(call QUIET_INSTALL, bpftool) 233658e85aaSQuentin Monnet $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin 234658e85aaSQuentin Monnet $(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool 235d7db0a4eSQuentin Monnet 236d7db0a4eSQuentin Monnetinstall: install-bin 237658e85aaSQuentin Monnet $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir) 238658e85aaSQuentin Monnet $(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir) 23971bb428fSJakub Kicinski 240d3244248SQuentin Monnetuninstall: 241d3244248SQuentin Monnet $(call QUIET_UNINST, bpftool) 242fbdb620bSQuentin Monnet $(Q)$(RM) -- $(DESTDIR)$(prefix)/sbin/bpftool 243fbdb620bSQuentin Monnet $(Q)$(RM) -- $(DESTDIR)$(bash_compdir)/bpftool 244d3244248SQuentin Monnet 245ff69c21aSJakub Kicinskidoc: 246658e85aaSQuentin Monnet $(call descend,Documentation) 247658e85aaSQuentin Monnet 248658e85aaSQuentin Monnetdoc-clean: 249658e85aaSQuentin Monnet $(call descend,Documentation,clean) 250ff69c21aSJakub Kicinski 251ff69c21aSJakub Kicinskidoc-install: 252658e85aaSQuentin Monnet $(call descend,Documentation,install) 253ff69c21aSJakub Kicinski 254d3244248SQuentin Monnetdoc-uninstall: 255d3244248SQuentin Monnet $(call descend,Documentation,uninstall) 256d3244248SQuentin Monnet 25771bb428fSJakub KicinskiFORCE: 25871bb428fSJakub Kicinski 25905aca6daSAndrii Nakryiko.SECONDARY: 260062e1fc0SQuentin Monnet.PHONY: all FORCE clean install-bin install uninstall 261d3244248SQuentin Monnet.PHONY: doc doc-clean doc-install doc-uninstall 26271bb428fSJakub Kicinski.DEFAULT_GOAL := all 263