| # SPDX-License-Identifier: GPL-2.0 |
| include ../scripts/Makefile.include |
| |
| prefix ?= /usr/local |
| |
| CC = gcc |
| LEX = flex |
| YACC = bison |
| MAKE = make |
| INSTALL ?= install |
| |
| CFLAGS += -Wall -O2 |
| CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/include/uapi -I$(srctree)/include |
| |
| # 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 |
| # builds |
| ifeq ($(srctree),) |
| update_srctree := 1 |
| endif |
| ifndef building_out_of_srctree |
| update_srctree := 1 |
| endif |
| ifeq ($(update_srctree),1) |
| srctree := $(patsubst %/,%,$(dir $(CURDIR))) |
| srctree := $(patsubst %/,%,$(dir $(srctree))) |
| endif |
| |
| ifeq ($(V),1) |
| Q = |
| else |
| Q = @ |
| endif |
| |
| FEATURE_USER = .bpf |
| FEATURE_TESTS = libbfd disassembler-four-args |
| FEATURE_DISPLAY = libbfd disassembler-four-args |
| |
| check_feat := 1 |
| NON_CHECK_FEAT_TARGETS := clean bpftool_clean |
| ifdef MAKECMDGOALS |
| ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),) |
| check_feat := 0 |
| endif |
| endif |
| |
| ifeq ($(check_feat),1) |
| ifeq ($(FEATURES_DUMP),) |
| include $(srctree)/tools/build/Makefile.feature |
| else |
| include $(FEATURES_DUMP) |
| endif |
| endif |
| |
| ifeq ($(feature-disassembler-four-args), 1) |
| CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE |
| endif |
| |
| $(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 |
| $(QUIET_CC)$(COMPILE.c) -o $@ $< |
| |
| $(OUTPUT)%.yacc.o: $(OUTPUT)%.yacc.c |
| $(QUIET_CC)$(COMPILE.c) -o $@ $< |
| $(OUTPUT)%.lex.o: $(OUTPUT)%.lex.c |
| $(QUIET_CC)$(COMPILE.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 |
| $(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) |
| |
| .PHONY: all install clean bpftool bpftool_install bpftool_clean |