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 $(srctree))) 18endif 19 20ifeq ($(V),1) 21 Q = 22else 23 Q = @ 24endif 25 26FEATURE_USER = .bpf 27FEATURE_TESTS = libbfd disassembler-four-args 28FEATURE_DISPLAY = libbfd disassembler-four-args 29 30check_feat := 1 31NON_CHECK_FEAT_TARGETS := clean bpftool_clean 32ifdef MAKECMDGOALS 33ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) 34 check_feat := 0 35endif 36endif 37 38ifeq ($(check_feat),1) 39ifeq ($(FEATURES_DUMP),) 40include $(srctree)/tools/build/Makefile.feature 41else 42include $(FEATURES_DUMP) 43endif 44endif 45 46ifeq ($(feature-disassembler-four-args), 1) 47CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 48endif 49 50$(OUTPUT)%.yacc.c: $(srctree)/tools/bpf/%.y 51 $(QUIET_BISON)$(YACC) -o $@ -d $< 52 53$(OUTPUT)%.lex.c: $(srctree)/tools/bpf/%.l 54 $(QUIET_FLEX)$(LEX) -o $@ $< 55 56$(OUTPUT)%.o: $(srctree)/tools/bpf/%.c 57 $(QUIET_CC)$(COMPILE.c) -o $@ $< 58 59$(OUTPUT)%.yacc.o: $(OUTPUT)%.yacc.c 60 $(QUIET_CC)$(COMPILE.c) -o $@ $< 61$(OUTPUT)%.lex.o: $(OUTPUT)%.lex.c 62 $(QUIET_CC)$(COMPILE.c) -o $@ $< 63 64PROGS = $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg $(OUTPUT)bpf_asm 65 66all: $(PROGS) bpftool 67 68$(OUTPUT)bpf_jit_disasm: CFLAGS += -DPACKAGE='bpf_jit_disasm' 69$(OUTPUT)bpf_jit_disasm: $(OUTPUT)bpf_jit_disasm.o 70 $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ -lopcodes -lbfd -ldl 71 72$(OUTPUT)bpf_dbg: $(OUTPUT)bpf_dbg.o 73 $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ -lreadline 74 75$(OUTPUT)bpf_asm: $(OUTPUT)bpf_asm.o $(OUTPUT)bpf_exp.yacc.o $(OUTPUT)bpf_exp.lex.o 76 $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ 77 78$(OUTPUT)bpf_exp.lex.c: $(OUTPUT)bpf_exp.yacc.c 79$(OUTPUT)bpf_exp.yacc.o: $(OUTPUT)bpf_exp.yacc.c 80$(OUTPUT)bpf_exp.lex.o: $(OUTPUT)bpf_exp.lex.c 81 82clean: bpftool_clean 83 $(call QUIET_CLEAN, bpf-progs) 84 $(Q)rm -rf $(OUTPUT)*.o $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg \ 85 $(OUTPUT)bpf_asm $(OUTPUT)bpf_exp.yacc.* $(OUTPUT)bpf_exp.lex.* 86 $(call QUIET_CLEAN, core-gen) 87 $(Q)rm -f $(OUTPUT)FEATURE-DUMP.bpf 88 89install: $(PROGS) bpftool_install 90 $(call QUIET_INSTALL, bpf_jit_disasm) 91 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/bin 92 $(Q)$(INSTALL) $(OUTPUT)bpf_jit_disasm $(DESTDIR)$(prefix)/bin/bpf_jit_disasm 93 $(call QUIET_INSTALL, bpf_dbg) 94 $(Q)$(INSTALL) $(OUTPUT)bpf_dbg $(DESTDIR)$(prefix)/bin/bpf_dbg 95 $(call QUIET_INSTALL, bpf_asm) 96 $(Q)$(INSTALL) $(OUTPUT)bpf_asm $(DESTDIR)$(prefix)/bin/bpf_asm 97 98bpftool: 99 $(call descend,bpftool) 100 101bpftool_install: 102 $(call descend,bpftool,install) 103 104bpftool_clean: 105 $(call descend,bpftool,clean) 106 107.PHONY: all install clean bpftool bpftool_install bpftool_clean 108