250 строки
6.7 KiB
Makefile
250 строки
6.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
|
|
include ../../scripts/Makefile.include
|
|
include ../../scripts/utilities.mak
|
|
|
|
ifeq ($(srctree),)
|
|
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
|
|
srctree := $(patsubst %/,%,$(dir $(srctree)))
|
|
srctree := $(patsubst %/,%,$(dir $(srctree)))
|
|
endif
|
|
|
|
ifeq ($(V),1)
|
|
Q =
|
|
else
|
|
Q = @
|
|
endif
|
|
|
|
BPF_DIR = $(srctree)/tools/lib/bpf/
|
|
|
|
ifneq ($(OUTPUT),)
|
|
LIBBPF_OUTPUT = $(OUTPUT)/libbpf/
|
|
LIBBPF_PATH = $(LIBBPF_OUTPUT)
|
|
BOOTSTRAP_OUTPUT = $(OUTPUT)/bootstrap/
|
|
else
|
|
LIBBPF_OUTPUT =
|
|
LIBBPF_PATH = $(BPF_DIR)
|
|
BOOTSTRAP_OUTPUT = $(CURDIR)/bootstrap/
|
|
endif
|
|
|
|
LIBBPF = $(LIBBPF_PATH)libbpf.a
|
|
LIBBPF_BOOTSTRAP_OUTPUT = $(BOOTSTRAP_OUTPUT)libbpf/
|
|
LIBBPF_BOOTSTRAP = $(LIBBPF_BOOTSTRAP_OUTPUT)libbpf.a
|
|
|
|
ifeq ($(BPFTOOL_VERSION),)
|
|
BPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. kernelversion)
|
|
endif
|
|
|
|
$(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) $(LIBBPF_BOOTSTRAP_OUTPUT):
|
|
$(QUIET_MKDIR)mkdir -p $@
|
|
|
|
$(LIBBPF): FORCE | $(LIBBPF_OUTPUT)
|
|
$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) $(LIBBPF_OUTPUT)libbpf.a
|
|
|
|
$(LIBBPF_BOOTSTRAP): FORCE | $(LIBBPF_BOOTSTRAP_OUTPUT)
|
|
$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) \
|
|
ARCH= CC=$(HOSTCC) LD=$(HOSTLD) $@
|
|
|
|
$(LIBBPF)-clean: FORCE | $(LIBBPF_OUTPUT)
|
|
$(call QUIET_CLEAN, libbpf)
|
|
$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) clean >/dev/null
|
|
|
|
$(LIBBPF_BOOTSTRAP)-clean: FORCE | $(LIBBPF_BOOTSTRAP_OUTPUT)
|
|
$(call QUIET_CLEAN, libbpf-bootstrap)
|
|
$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) clean >/dev/null
|
|
|
|
prefix ?= /usr/local
|
|
bash_compdir ?= /usr/share/bash-completion/completions
|
|
|
|
CFLAGS += -O2
|
|
CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
|
|
CFLAGS += $(filter-out -Wswitch-enum -Wnested-externs,$(EXTRA_WARNINGS))
|
|
CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
|
|
-I$(if $(OUTPUT),$(OUTPUT),.) \
|
|
-I$(srctree)/kernel/bpf/ \
|
|
-I$(srctree)/tools/include \
|
|
-I$(srctree)/tools/include/uapi \
|
|
-I$(srctree)/tools/lib \
|
|
-I$(srctree)/tools/perf
|
|
CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
|
|
ifneq ($(EXTRA_CFLAGS),)
|
|
CFLAGS += $(EXTRA_CFLAGS)
|
|
endif
|
|
ifneq ($(EXTRA_LDFLAGS),)
|
|
LDFLAGS += $(EXTRA_LDFLAGS)
|
|
endif
|
|
|
|
INSTALL ?= install
|
|
RM ?= rm -f
|
|
|
|
FEATURE_USER = .bpftool
|
|
FEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib libcap \
|
|
clang-bpf-co-re
|
|
FEATURE_DISPLAY = libbfd disassembler-four-args zlib libcap \
|
|
clang-bpf-co-re
|
|
|
|
check_feat := 1
|
|
NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
|
|
ifdef MAKECMDGOALS
|
|
ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
|
|
check_feat := 0
|
|
endif
|
|
endif
|
|
|
|
ifeq ($(check_feat),1)
|
|
ifeq ($(FEATURES_DUMP),)
|
|
include $(srctree)/tools/build/Makefile.feature
|
|
else
|
|
include $(FEATURES_DUMP)
|
|
endif
|
|
endif
|
|
|
|
ifeq ($(feature-disassembler-four-args), 1)
|
|
CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
|
|
endif
|
|
|
|
ifeq ($(feature-reallocarray), 0)
|
|
CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
|
|
endif
|
|
|
|
LIBS = $(LIBBPF) -lelf -lz
|
|
LIBS_BOOTSTRAP = $(LIBBPF_BOOTSTRAP) -lelf -lz
|
|
ifeq ($(feature-libcap), 1)
|
|
CFLAGS += -DUSE_LIBCAP
|
|
LIBS += -lcap
|
|
endif
|
|
|
|
include $(wildcard $(OUTPUT)*.d)
|
|
|
|
all: $(OUTPUT)bpftool
|
|
|
|
BFD_SRCS = jit_disasm.c
|
|
|
|
SRCS = $(filter-out $(BFD_SRCS),$(wildcard *.c))
|
|
|
|
ifeq ($(feature-libbfd),1)
|
|
LIBS += -lbfd -ldl -lopcodes
|
|
else ifeq ($(feature-libbfd-liberty),1)
|
|
LIBS += -lbfd -ldl -lopcodes -liberty
|
|
else ifeq ($(feature-libbfd-liberty-z),1)
|
|
LIBS += -lbfd -ldl -lopcodes -liberty -lz
|
|
endif
|
|
|
|
ifneq ($(filter -lbfd,$(LIBS)),)
|
|
CFLAGS += -DHAVE_LIBBFD_SUPPORT
|
|
SRCS += $(BFD_SRCS)
|
|
endif
|
|
|
|
BPFTOOL_BOOTSTRAP := $(BOOTSTRAP_OUTPUT)bpftool
|
|
|
|
BOOTSTRAP_OBJS = $(addprefix $(BOOTSTRAP_OUTPUT),main.o common.o json_writer.o gen.o btf.o xlated_dumper.o btf_dumper.o disasm.o)
|
|
OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
|
|
|
|
VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
|
|
$(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
|
|
../../../vmlinux \
|
|
/sys/kernel/btf/vmlinux \
|
|
/boot/vmlinux-$(shell uname -r)
|
|
VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
|
|
|
|
bootstrap: $(BPFTOOL_BOOTSTRAP)
|
|
|
|
ifneq ($(VMLINUX_BTF)$(VMLINUX_H),)
|
|
ifeq ($(feature-clang-bpf-co-re),1)
|
|
|
|
BUILD_BPF_SKELS := 1
|
|
|
|
$(OUTPUT)vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL_BOOTSTRAP)
|
|
ifeq ($(VMLINUX_H),)
|
|
$(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) btf dump file $< format c > $@
|
|
else
|
|
$(Q)cp "$(VMLINUX_H)" $@
|
|
endif
|
|
|
|
$(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF)
|
|
$(QUIET_CLANG)$(CLANG) \
|
|
-I$(if $(OUTPUT),$(OUTPUT),.) \
|
|
-I$(srctree)/tools/include/uapi/ \
|
|
-I$(LIBBPF_PATH) \
|
|
-I$(srctree)/tools/lib \
|
|
-g -O2 -Wall -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@
|
|
|
|
$(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP)
|
|
$(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen skeleton $< > $@
|
|
|
|
$(OUTPUT)prog.o: $(OUTPUT)profiler.skel.h
|
|
|
|
$(OUTPUT)pids.o: $(OUTPUT)pid_iter.skel.h
|
|
|
|
endif
|
|
endif
|
|
|
|
CFLAGS += $(if $(BUILD_BPF_SKELS),,-DBPFTOOL_WITHOUT_SKELETONS)
|
|
|
|
$(BOOTSTRAP_OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
|
|
$(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD -o $@ $<
|
|
|
|
$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
|
|
$(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
|
|
|
|
$(OUTPUT)feature.o: | zdep
|
|
|
|
$(BPFTOOL_BOOTSTRAP): $(BOOTSTRAP_OBJS) $(LIBBPF_BOOTSTRAP)
|
|
$(QUIET_LINK)$(HOSTCC) $(CFLAGS) $(LDFLAGS) -o $@ $(BOOTSTRAP_OBJS) \
|
|
$(LIBS_BOOTSTRAP)
|
|
|
|
$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
|
|
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
|
|
|
|
$(BOOTSTRAP_OUTPUT)%.o: %.c | $(BOOTSTRAP_OUTPUT)
|
|
$(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD -o $@ $<
|
|
|
|
$(OUTPUT)%.o: %.c
|
|
$(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
|
|
|
|
feature-detect-clean:
|
|
$(call QUIET_CLEAN, feature-detect)
|
|
$(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null
|
|
|
|
clean: $(LIBBPF)-clean $(LIBBPF_BOOTSTRAP)-clean feature-detect-clean
|
|
$(call QUIET_CLEAN, bpftool)
|
|
$(Q)$(RM) -- $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
|
|
$(Q)$(RM) -- $(OUTPUT)*.skel.h $(OUTPUT)vmlinux.h
|
|
$(Q)$(RM) -r -- $(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT)
|
|
$(call QUIET_CLEAN, core-gen)
|
|
$(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpftool
|
|
$(Q)$(RM) -r -- $(OUTPUT)feature/
|
|
|
|
install: $(OUTPUT)bpftool
|
|
$(call QUIET_INSTALL, bpftool)
|
|
$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
|
|
$(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
|
|
$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
|
|
$(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)
|
|
|
|
uninstall:
|
|
$(call QUIET_UNINST, bpftool)
|
|
$(Q)$(RM) -- $(DESTDIR)$(prefix)/sbin/bpftool
|
|
$(Q)$(RM) -- $(DESTDIR)$(bash_compdir)/bpftool
|
|
|
|
doc:
|
|
$(call descend,Documentation)
|
|
|
|
doc-clean:
|
|
$(call descend,Documentation,clean)
|
|
|
|
doc-install:
|
|
$(call descend,Documentation,install)
|
|
|
|
doc-uninstall:
|
|
$(call descend,Documentation,uninstall)
|
|
|
|
FORCE:
|
|
|
|
zdep:
|
|
@if [ "$(feature-zlib)" != "1" ]; then echo "No zlib found"; exit 1 ; fi
|
|
|
|
.SECONDARY:
|
|
.PHONY: all FORCE clean install uninstall zdep
|
|
.PHONY: doc doc-clean doc-install doc-uninstall
|
|
.DEFAULT_GOAL := all
|