tools/bpf/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 include ../scripts/Makefile.include
   3
   4 prefix ?= /usr/local
   5
   6 CC = gcc
   7 LEX = flex
   8 YACC = bison
   9 MAKE = make
  10 INSTALL ?= install
  11
  12 CFLAGS += -Wall -O2
  13 CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/include/uapi -I$(srctree)/include
  14
  15 ifeq ($(srctree),)
  16 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
  17 srctree := $(patsubst %/,%,$(dir $(srctree)))
  18 endif
  19
  20 ifeq ($(V),1)
  21   Q =
  22 else
  23   Q = @
  24 endif
  25
  26 FEATURE_USER = .bpf
  27 FEATURE_TESTS = libbfd disassembler-four-args
  28 FEATURE_DISPLAY = libbfd disassembler-four-args
  29
  30 check_feat := 1
  31 NON_CHECK_FEAT_TARGETS := clean bpftool_clean
  32 ifdef MAKECMDGOALS
  33 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
  34   check_feat := 0
  35 endif
  36 endif
  37
  38 ifeq ($(check_feat),1)
  39 ifeq ($(FEATURES_DUMP),)
  40 include $(srctree)/tools/build/Makefile.feature
  41 else
  42 include $(FEATURES_DUMP)
  43 endif
  44 endif
  45
  46 ifeq ($(feature-disassembler-four-args), 1)
  47 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
  48 endif
  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
  64 PROGS = $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg $(OUTPUT)bpf_asm
  65
  66 all: $(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
  82 clean: 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
  89 install: $(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
  98 bpftool:
  99         $(call descend,bpftool)
 100
 101 bpftool_install:
 102         $(call descend,bpftool,install)
 103
 104 bpftool_clean:
 105         $(call descend,bpftool,clean)
 106
 107 .PHONY: all install clean bpftool bpftool_install bpftool_clean