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