# SPDX-License-Identifier: GPL-2.0include ../scripts/Makefile.include prefix ?= /usr/local LEX = flexYACC = bisonMAKE = makeINSTALL ?= install CFLAGS += -Wall -O2CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi \	  -I$(srctree)/tools/includeCFLAGS += $(EXTRA_CFLAGS) # This will work when bpf is built in tools env. where srctree# isn't set and when invoked from selftests build, where srctree# is set to ".". building_out_of_srctree is undefined for in srctree# buildsifeq ($(srctree),)update_srctree := 1endififndef building_out_of_srctreeupdate_srctree := 1endififeq ($(update_srctree),1)srctree := $(patsubst %/,%,$(dir $(CURDIR)))srctree := $(patsubst %/,%,$(dir $(srctree)))endif FEATURE_USER = .bpfFEATURE_TESTS = libbfd disassembler-four-args disassembler-init-styledFEATURE_DISPLAY = libbfd check_feat := 1NON_CHECK_FEAT_TARGETS := clean bpftool_clean resolve_btfids_cleanifdef MAKECMDGOALSifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)  check_feat := 0endifendif ifeq ($(check_feat),1)ifeq ($(FEATURES_DUMP),)include $(srctree)/tools/build/Makefile.featureelseinclude $(FEATURES_DUMP)endifendif ifeq ($(feature-disassembler-four-args), 1)CFLAGS += -DDISASM_FOUR_ARGS_SIGNATUREendififeq ($(feature-disassembler-init-styled), 1)CFLAGS += -DDISASM_INIT_STYLEDendif $(OUTPUT)%.yacc.c: $(srctree)/tools/bpf/%.y	$(QUIET_BISON)$(YACC) -o $@ -d $< $(OUTPUT)%.lex.c: $(srctree)/tools/bpf/%.l	$(QUIET_FLEX)$(LEX) -o $@ $< $(OUTPUT)%.o: $(srctree)/tools/bpf/%.c	$(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $< $(OUTPUT)%.yacc.o: $(OUTPUT)%.yacc.c	$(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $<$(OUTPUT)%.lex.o: $(OUTPUT)%.lex.c	$(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $< PROGS = $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg $(OUTPUT)bpf_asm all: $(PROGS) bpftool $(OUTPUT)bpf_jit_disasm: CFLAGS += -DPACKAGE='bpf_jit_disasm'$(OUTPUT)bpf_jit_disasm: $(OUTPUT)bpf_jit_disasm.o	$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ -lopcodes -lbfd -ldl $(OUTPUT)bpf_dbg: $(OUTPUT)bpf_dbg.o	$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ -lreadline $(OUTPUT)bpf_asm: $(OUTPUT)bpf_asm.o $(OUTPUT)bpf_exp.yacc.o $(OUTPUT)bpf_exp.lex.o	$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(OUTPUT)bpf_exp.lex.c: $(OUTPUT)bpf_exp.yacc.c$(OUTPUT)bpf_exp.yacc.o: $(OUTPUT)bpf_exp.yacc.c$(OUTPUT)bpf_exp.lex.o: $(OUTPUT)bpf_exp.lex.c clean: bpftool_clean resolve_btfids_clean	$(call QUIET_CLEAN, bpf-progs)	$(Q)$(RM) -r -- $(OUTPUT)*.o $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg \	       $(OUTPUT)bpf_asm $(OUTPUT)bpf_exp.yacc.* $(OUTPUT)bpf_exp.lex.*	$(call QUIET_CLEAN, core-gen)	$(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpf	$(Q)$(RM) -r -- $(OUTPUT)feature install: $(PROGS) bpftool_install	$(call QUIET_INSTALL, bpf_jit_disasm)	$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/bin	$(Q)$(INSTALL) $(OUTPUT)bpf_jit_disasm $(DESTDIR)$(prefix)/bin/bpf_jit_disasm	$(call QUIET_INSTALL, bpf_dbg)	$(Q)$(INSTALL) $(OUTPUT)bpf_dbg $(DESTDIR)$(prefix)/bin/bpf_dbg	$(call QUIET_INSTALL, bpf_asm)	$(Q)$(INSTALL) $(OUTPUT)bpf_asm $(DESTDIR)$(prefix)/bin/bpf_asm bpftool:	$(call descend,bpftool) bpftool_install:	$(call descend,bpftool,install) bpftool_clean:	$(call descend,bpftool,clean) resolve_btfids:	$(call descend,resolve_btfids) resolve_btfids_clean:	$(call descend,resolve_btfids,clean) .PHONY: all install clean bpftool bpftool_install bpftool_clean \	resolve_btfids resolve_btfids_clean