165 lines
4.0 KiB
Makefile
165 lines
4.0 KiB
Makefile
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# SPDX-License-Identifier: GPL-2.0-only
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include ../../scripts/Makefile.include
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include ../../scripts/utilities.mak
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ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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endif
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ifeq ($(V),1)
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Q =
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else
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Q = @
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endif
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BPF_DIR = $(srctree)/tools/lib/bpf/
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ifneq ($(OUTPUT),)
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LIBBPF_OUTPUT = $(OUTPUT)/libbpf/
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LIBBPF_PATH = $(LIBBPF_OUTPUT)
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else
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LIBBPF_PATH = $(BPF_DIR)
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endif
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LIBBPF = $(LIBBPF_PATH)libbpf.a
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BPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. kernelversion)
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$(LIBBPF): FORCE
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$(if $(LIBBPF_OUTPUT),@mkdir -p $(LIBBPF_OUTPUT))
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$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) $(LIBBPF_OUTPUT)libbpf.a
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$(LIBBPF)-clean:
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$(call QUIET_CLEAN, libbpf)
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$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) clean >/dev/null
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prefix ?= /usr/local
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bash_compdir ?= /usr/share/bash-completion/completions
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CFLAGS += -O2
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CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
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CFLAGS += $(filter-out -Wswitch-enum,$(EXTRA_WARNINGS))
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CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
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-I$(srctree)/kernel/bpf/ \
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-I$(srctree)/tools/include \
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-I$(srctree)/tools/include/uapi \
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-I$(srctree)/tools/lib/bpf \
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-I$(srctree)/tools/perf
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CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
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ifneq ($(EXTRA_CFLAGS),)
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CFLAGS += $(EXTRA_CFLAGS)
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endif
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ifneq ($(EXTRA_LDFLAGS),)
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LDFLAGS += $(EXTRA_LDFLAGS)
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endif
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LIBS = $(LIBBPF) -lelf -lz
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INSTALL ?= install
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RM ?= rm -f
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FEATURE_USER = .bpftool
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FEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib
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FEATURE_DISPLAY = libbfd disassembler-four-args zlib
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check_feat := 1
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NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
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ifdef MAKECMDGOALS
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ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
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check_feat := 0
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endif
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endif
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ifeq ($(check_feat),1)
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ifeq ($(FEATURES_DUMP),)
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include $(srctree)/tools/build/Makefile.feature
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else
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include $(FEATURES_DUMP)
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endif
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endif
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ifeq ($(feature-disassembler-four-args), 1)
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CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
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endif
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ifeq ($(feature-reallocarray), 0)
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CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
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endif
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include $(wildcard $(OUTPUT)*.d)
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all: $(OUTPUT)bpftool
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BFD_SRCS = jit_disasm.c
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SRCS = $(filter-out $(BFD_SRCS),$(wildcard *.c))
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ifeq ($(feature-libbfd),1)
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LIBS += -lbfd -ldl -lopcodes
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else ifeq ($(feature-libbfd-liberty),1)
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LIBS += -lbfd -ldl -lopcodes -liberty
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else ifeq ($(feature-libbfd-liberty-z),1)
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LIBS += -lbfd -ldl -lopcodes -liberty -lz
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endif
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ifneq ($(filter -lbfd,$(LIBS)),)
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CFLAGS += -DHAVE_LIBBFD_SUPPORT
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SRCS += $(BFD_SRCS)
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endif
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OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
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$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
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$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
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$(OUTPUT)feature.o: | zdep
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$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
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$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
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$(OUTPUT)%.o: %.c
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$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
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clean: $(LIBBPF)-clean
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$(call QUIET_CLEAN, bpftool)
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$(Q)$(RM) -- $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
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$(Q)$(RM) -r -- $(OUTPUT)libbpf/
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$(call QUIET_CLEAN, core-gen)
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$(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpftool
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$(Q)$(RM) -r -- $(OUTPUT)feature/
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install: $(OUTPUT)bpftool
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$(call QUIET_INSTALL, bpftool)
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$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
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$(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
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$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
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$(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)
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uninstall:
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$(call QUIET_UNINST, bpftool)
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$(Q)$(RM) -- $(DESTDIR)$(prefix)/sbin/bpftool
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$(Q)$(RM) -- $(DESTDIR)$(bash_compdir)/bpftool
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doc:
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$(call descend,Documentation)
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doc-clean:
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$(call descend,Documentation,clean)
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doc-install:
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$(call descend,Documentation,install)
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doc-uninstall:
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$(call descend,Documentation,uninstall)
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FORCE:
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zdep:
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@if [ "$(feature-zlib)" != "1" ]; then echo "No zlib found"; exit 1 ; fi
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.PHONY: all FORCE clean install uninstall zdep
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.PHONY: doc doc-clean doc-install doc-uninstall
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.DEFAULT_GOAL := all
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