Makefile 2.5 KB
Newer Older
1
# SPDX-License-Identifier: GPL-2.0
2 3
include ../scripts/Makefile.include

4
prefix ?= /usr/local
5 6

CC = gcc
7 8
LEX = flex
YACC = bison
J
Jakub Kicinski 已提交
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 16 17 18 19
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif

20 21 22 23 24 25
ifeq ($(V),1)
  Q =
else
  Q = @
endif

26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
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

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 58 59 60 61 62
	$(QUIET_CC)$(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 $@ $<
63

64 65 66
PROGS = $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg $(OUTPUT)bpf_asm

all: $(PROGS) bpftool
67

68 69
$(OUTPUT)bpf_jit_disasm: CFLAGS += -DPACKAGE='bpf_jit_disasm'
$(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 77
	$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^

78
$(OUTPUT)bpf_exp.lex.c: $(OUTPUT)bpf_exp.yacc.c
79

J
Jakub Kicinski 已提交
80
clean: bpftool_clean
81 82
	$(call QUIET_CLEAN, bpf-progs)
	$(Q)rm -rf $(OUTPUT)*.o $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg \
83
	       $(OUTPUT)bpf_asm $(OUTPUT)bpf_exp.yacc.* $(OUTPUT)bpf_exp.lex.*
84

85
install: $(PROGS) bpftool_install
86 87 88 89 90 91 92
	$(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
J
Jakub Kicinski 已提交
93 94

bpftool:
J
Jiri Benc 已提交
95
	$(call descend,bpftool)
J
Jakub Kicinski 已提交
96 97

bpftool_install:
J
Jiri Benc 已提交
98
	$(call descend,bpftool,install)
J
Jakub Kicinski 已提交
99 100

bpftool_clean:
J
Jiri Benc 已提交
101
	$(call descend,bpftool,clean)
J
Jakub Kicinski 已提交
102 103

.PHONY: bpftool FORCE