1# SPDX-License-Identifier: GPL-2.0 2include ../scripts/Makefile.include 3 4prefix ?= /usr/local 5 6CC = gcc 7LEX = flex 8YACC = bison 9MAKE = make 10INSTALL ?= install 11 12CFLAGS += -Wall -O2 13CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/include/uapi -I$(srctree)/include 14 15ifeq ($(srctree),) 16srctree := $(patsubst %/,%,$(dir $(CURDIR))) 17srctree := $(patsubst %/,%,$(dir $(srctree))) 18endif 19 20FEATURE_USER = .bpf 21FEATURE_TESTS = libbfd disassembler-four-args 22FEATURE_DISPLAY = libbfd disassembler-four-args 23 24check_feat := 1 25NON_CHECK_FEAT_TARGETS := clean bpftool_clean 26ifdef MAKECMDGOALS 27ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) 28 check_feat := 0 29endif 30endif 31 32ifeq ($(check_feat),1) 33ifeq ($(FEATURES_DUMP),) 34include $(srctree)/tools/build/Makefile.feature 35else 36include $(FEATURES_DUMP) 37endif 38endif 39 40ifeq ($(feature-disassembler-four-args), 1) 41CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 42endif 43 44$(OUTPUT)%.yacc.c: $(srctree)/tools/bpf/%.y 45 $(YACC) -o $@ -d $< 46 47$(OUTPUT)%.lex.c: $(srctree)/tools/bpf/%.l 48 $(LEX) -o $@ $< 49 50$(OUTPUT)%.o: $(srctree)/tools/bpf/%.c 51 $(COMPILE.c) -o $@ $< 52 53PROGS = $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg $(OUTPUT)bpf_asm 54 55all: $(PROGS) bpftool 56 57$(OUTPUT)bpf_jit_disasm: CFLAGS += -DPACKAGE='bpf_jit_disasm' 58$(OUTPUT)bpf_jit_disasm: LDLIBS = -lopcodes -lbfd -ldl 59$(OUTPUT)bpf_jit_disasm: $(OUTPUT)bpf_jit_disasm.o 60 61$(OUTPUT)bpf_dbg: LDLIBS = -lreadline 62$(OUTPUT)bpf_dbg: $(OUTPUT)bpf_dbg.o 63 64$(OUTPUT)bpf_asm: LDLIBS = 65$(OUTPUT)bpf_asm: $(OUTPUT)bpf_asm.o $(OUTPUT)bpf_exp.yacc.o $(OUTPUT)bpf_exp.lex.o 66$(OUTPUT)bpf_exp.lex.o: $(OUTPUT)bpf_exp.yacc.c 67 68clean: bpftool_clean 69 rm -rf $(OUTPUT)*.o $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg \ 70 $(OUTPUT)bpf_asm $(OUTPUT)bpf_exp.yacc.* $(OUTPUT)bpf_exp.lex.* 71 72install: $(PROGS) bpftool_install 73 $(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/bin 74 $(INSTALL) $(OUTPUT)bpf_jit_disasm $(DESTDIR)$(prefix)/bin/bpf_jit_disasm 75 $(INSTALL) $(OUTPUT)bpf_dbg $(DESTDIR)$(prefix)/bin/bpf_dbg 76 $(INSTALL) $(OUTPUT)bpf_asm $(DESTDIR)$(prefix)/bin/bpf_asm 77 78bpftool: 79 $(MAKE) -C bpftool 80 81bpftool_install: 82 $(MAKE) -C bpftool install 83 84bpftool_clean: 85 $(MAKE) -C bpftool clean 86 87.PHONY: bpftool FORCE 88