summaryrefslogtreecommitdiff
path: root/tools/bpf/bpftool/Makefile
blob: 892dbf095bffd79ac6bbc9b3a70a33efa3955f54 (plain)
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
119
120
121
122
123
124
125
126
127
128
include ../../scripts/Makefile.include
include ../../scripts/utilities.mak

ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif

ifeq ($(V),1)
  Q =
else
  Q = @
endif

BPF_DIR = $(srctree)/tools/lib/bpf/

ifneq ($(OUTPUT),)
  BPF_PATH = $(OUTPUT)
else
  BPF_PATH = $(BPF_DIR)
endif

LIBBPF = $(BPF_PATH)libbpf.a

BPFTOOL_VERSION=$(shell make --no-print-directory -sC ../../.. kernelversion)

$(LIBBPF): FORCE
	$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) $(OUTPUT)libbpf.a FEATURES_DUMP=$(FEATURE_DUMP_EXPORT)

$(LIBBPF)-clean:
	$(call QUIET_CLEAN, libbpf)
	$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) clean >/dev/null

prefix ?= /usr/local
bash_compdir ?= /usr/share/bash-completion/completions

CC = gcc

CFLAGS += -O2
CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow -Wno-missing-field-initializers
CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
	-I$(srctree)/kernel/bpf/ \
	-I$(srctree)/tools/include \
	-I$(srctree)/tools/include/uapi \
	-I$(srctree)/tools/lib/bpf \
	-I$(srctree)/tools/perf
CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
LIBS = -lelf -lbfd -lopcodes $(LIBBPF)

INSTALL ?= install
RM ?= rm -f

FEATURE_USER = .bpftool
FEATURE_TESTS = libbfd disassembler-four-args
FEATURE_DISPLAY = libbfd disassembler-four-args

check_feat := 1
NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
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

include $(wildcard $(OUTPUT)*.d)

all: $(OUTPUT)bpftool

SRCS = $(wildcard *.c)
OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o

$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
	$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<

$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
	$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(LIBS)

$(OUTPUT)%.o: %.c
	$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<

clean: $(LIBBPF)-clean
	$(call QUIET_CLEAN, bpftool)
	$(Q)$(RM) $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
	$(call QUIET_CLEAN, core-gen)
	$(Q)$(RM) $(OUTPUT)FEATURE-DUMP.bpftool

install: $(OUTPUT)bpftool
	$(call QUIET_INSTALL, bpftool)
	$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
	$(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
	$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
	$(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)

uninstall:
	$(call QUIET_UNINST, bpftool)
	$(Q)$(RM) $(DESTDIR)$(prefix)/sbin/bpftool
	$(Q)$(RM) $(DESTDIR)$(bash_compdir)/bpftool

doc:
	$(call descend,Documentation)

doc-clean:
	$(call descend,Documentation,clean)

doc-install:
	$(call descend,Documentation,install)

doc-uninstall:
	$(call descend,Documentation,uninstall)

FORCE:

.PHONY: all FORCE clean install uninstall
.PHONY: doc doc-clean doc-install doc-uninstall
.DEFAULT_GOAL := all