1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
# 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
|
