1 # SPDX-License-Identifier: (GPL-2.0-only OR BS !! 1 # SPDX-License-Identifier: GPL-2.0-only
2 include ../../scripts/Makefile.include 2 include ../../scripts/Makefile.include
3 3
4 ifeq ($(srctree),) 4 ifeq ($(srctree),)
5 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 5 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
6 srctree := $(patsubst %/,%,$(dir $(srctree))) 6 srctree := $(patsubst %/,%,$(dir $(srctree)))
7 srctree := $(patsubst %/,%,$(dir $(srctree))) 7 srctree := $(patsubst %/,%,$(dir $(srctree)))
8 endif 8 endif
9 9
10 ifeq ($(V),1) 10 ifeq ($(V),1)
11 Q = 11 Q =
12 else 12 else
13 Q = @ 13 Q = @
14 endif 14 endif
15 15
16 BPF_DIR = $(srctree)/tools/lib/bpf 16 BPF_DIR = $(srctree)/tools/lib/bpf
17 17
18 ifneq ($(OUTPUT),) 18 ifneq ($(OUTPUT),)
19 _OUTPUT := $(OUTPUT) 19 _OUTPUT := $(OUTPUT)
20 else 20 else
21 _OUTPUT := $(CURDIR)/ !! 21 _OUTPUT := $(CURDIR)
22 endif 22 endif
23 BOOTSTRAP_OUTPUT := $(_OUTPUT)bootstrap/ !! 23 BOOTSTRAP_OUTPUT := $(_OUTPUT)/bootstrap/
24 24
25 LIBBPF_OUTPUT := $(_OUTPUT)libbpf/ !! 25 LIBBPF_OUTPUT := $(_OUTPUT)/libbpf/
26 LIBBPF_DESTDIR := $(LIBBPF_OUTPUT) 26 LIBBPF_DESTDIR := $(LIBBPF_OUTPUT)
27 LIBBPF_INCLUDE := $(LIBBPF_DESTDIR)include !! 27 LIBBPF_INCLUDE := $(LIBBPF_DESTDIR)/include
28 LIBBPF_HDRS_DIR := $(LIBBPF_INCLUDE)/bpf 28 LIBBPF_HDRS_DIR := $(LIBBPF_INCLUDE)/bpf
29 LIBBPF := $(LIBBPF_OUTPUT)libbpf.a 29 LIBBPF := $(LIBBPF_OUTPUT)libbpf.a
30 30
31 LIBBPF_BOOTSTRAP_OUTPUT := $(BOOTSTRAP_OUTPUT) 31 LIBBPF_BOOTSTRAP_OUTPUT := $(BOOTSTRAP_OUTPUT)libbpf/
32 LIBBPF_BOOTSTRAP_DESTDIR := $(LIBBPF_BOOTSTRAP 32 LIBBPF_BOOTSTRAP_DESTDIR := $(LIBBPF_BOOTSTRAP_OUTPUT)
33 LIBBPF_BOOTSTRAP_INCLUDE := $(LIBBPF_BOOTSTRAP !! 33 LIBBPF_BOOTSTRAP_INCLUDE := $(LIBBPF_BOOTSTRAP_DESTDIR)/include
34 LIBBPF_BOOTSTRAP_HDRS_DIR := $(LIBBPF_BOOTSTRA 34 LIBBPF_BOOTSTRAP_HDRS_DIR := $(LIBBPF_BOOTSTRAP_INCLUDE)/bpf
35 LIBBPF_BOOTSTRAP := $(LIBBPF_BOOTSTRAP_OUTPUT) 35 LIBBPF_BOOTSTRAP := $(LIBBPF_BOOTSTRAP_OUTPUT)libbpf.a
36 36
37 # We need to copy hashmap.h, nlattr.h, relo_co !! 37 # We need to copy hashmap.h and nlattr.h which is not otherwise exported by
38 # which are not otherwise exported by libbpf, !! 38 # libbpf, but still required by bpftool.
39 LIBBPF_INTERNAL_HDRS := $(addprefix $(LIBBPF_H !! 39 LIBBPF_INTERNAL_HDRS := $(addprefix $(LIBBPF_HDRS_DIR)/,hashmap.h nlattr.h)
40 LIBBPF_BOOTSTRAP_INTERNAL_HDRS := $(addprefix !! 40 LIBBPF_BOOTSTRAP_INTERNAL_HDRS := $(addprefix $(LIBBPF_BOOTSTRAP_HDRS_DIR)/,hashmap.h)
>> 41
>> 42 ifeq ($(BPFTOOL_VERSION),)
>> 43 BPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. kernelversion)
>> 44 endif
41 45
42 $(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) $(LIBBPF_ 46 $(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) $(LIBBPF_BOOTSTRAP_OUTPUT) $(LIBBPF_HDRS_DIR) $(LIBBPF_BOOTSTRAP_HDRS_DIR):
43 $(QUIET_MKDIR)mkdir -p $@ 47 $(QUIET_MKDIR)mkdir -p $@
44 48
45 $(LIBBPF): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_ 49 $(LIBBPF): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_DIR)/Makefile) | $(LIBBPF_OUTPUT)
46 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIB 50 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) \
47 DESTDIR=$(LIBBPF_DESTDIR:/=) p !! 51 DESTDIR=$(LIBBPF_DESTDIR) prefix= $(LIBBPF) install_headers
48 52
49 $(LIBBPF_INTERNAL_HDRS): $(LIBBPF_HDRS_DIR)/%. 53 $(LIBBPF_INTERNAL_HDRS): $(LIBBPF_HDRS_DIR)/%.h: $(BPF_DIR)/%.h | $(LIBBPF_HDRS_DIR)
50 $(call QUIET_INSTALL, $@) 54 $(call QUIET_INSTALL, $@)
51 $(Q)install -m 644 -t $(LIBBPF_HDRS_DI 55 $(Q)install -m 644 -t $(LIBBPF_HDRS_DIR) $<
52 56
53 $(LIBBPF_BOOTSTRAP): $(wildcard $(BPF_DIR)/*.[ 57 $(LIBBPF_BOOTSTRAP): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_DIR)/Makefile) | $(LIBBPF_BOOTSTRAP_OUTPUT)
54 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIB 58 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) \
55 DESTDIR=$(LIBBPF_BOOTSTRAP_DES !! 59 DESTDIR=$(LIBBPF_BOOTSTRAP_DESTDIR) prefix= \
56 ARCH= CROSS_COMPILE= CC="$(HOS !! 60 ARCH= CC=$(HOSTCC) LD=$(HOSTLD) $@ install_headers
57 61
58 $(LIBBPF_BOOTSTRAP_INTERNAL_HDRS): $(LIBBPF_BO 62 $(LIBBPF_BOOTSTRAP_INTERNAL_HDRS): $(LIBBPF_BOOTSTRAP_HDRS_DIR)/%.h: $(BPF_DIR)/%.h | $(LIBBPF_BOOTSTRAP_HDRS_DIR)
59 $(call QUIET_INSTALL, $@) 63 $(call QUIET_INSTALL, $@)
60 $(Q)install -m 644 -t $(LIBBPF_BOOTSTR 64 $(Q)install -m 644 -t $(LIBBPF_BOOTSTRAP_HDRS_DIR) $<
61 65
62 $(LIBBPF)-clean: FORCE | $(LIBBPF_OUTPUT) 66 $(LIBBPF)-clean: FORCE | $(LIBBPF_OUTPUT)
63 $(call QUIET_CLEAN, libbpf) 67 $(call QUIET_CLEAN, libbpf)
64 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIB 68 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) clean >/dev/null
65 69
66 $(LIBBPF_BOOTSTRAP)-clean: FORCE | $(LIBBPF_BO 70 $(LIBBPF_BOOTSTRAP)-clean: FORCE | $(LIBBPF_BOOTSTRAP_OUTPUT)
67 $(call QUIET_CLEAN, libbpf-bootstrap) 71 $(call QUIET_CLEAN, libbpf-bootstrap)
68 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIB 72 $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) clean >/dev/null
69 73
70 prefix ?= /usr/local 74 prefix ?= /usr/local
71 bash_compdir ?= /usr/share/bash-completion/com 75 bash_compdir ?= /usr/share/bash-completion/completions
72 76
73 CFLAGS += -O2 77 CFLAGS += -O2
74 CFLAGS += -W -Wall -Wextra -Wno-unused-paramet 78 CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
75 CFLAGS += $(filter-out -Wswitch-enum -Wnested- 79 CFLAGS += $(filter-out -Wswitch-enum -Wnested-externs,$(EXTRA_WARNINGS))
76 CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_H 80 CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
77 -I$(or $(OUTPUT),.) \ !! 81 -I$(if $(OUTPUT),$(OUTPUT),.) \
78 -I$(LIBBPF_INCLUDE) \ 82 -I$(LIBBPF_INCLUDE) \
79 -I$(srctree)/kernel/bpf/ \ 83 -I$(srctree)/kernel/bpf/ \
80 -I$(srctree)/tools/include \ 84 -I$(srctree)/tools/include \
81 -I$(srctree)/tools/include/uapi 85 -I$(srctree)/tools/include/uapi
82 ifneq ($(BPFTOOL_VERSION),) <<
83 CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSIO 86 CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
84 endif <<
85 ifneq ($(EXTRA_CFLAGS),) 87 ifneq ($(EXTRA_CFLAGS),)
86 CFLAGS += $(EXTRA_CFLAGS) 88 CFLAGS += $(EXTRA_CFLAGS)
87 endif 89 endif
88 ifneq ($(EXTRA_LDFLAGS),) 90 ifneq ($(EXTRA_LDFLAGS),)
89 LDFLAGS += $(EXTRA_LDFLAGS) 91 LDFLAGS += $(EXTRA_LDFLAGS)
90 endif 92 endif
91 93
92 HOST_CFLAGS := $(subst -I$(LIBBPF_INCLUDE),-I$ <<
93 $(subst $(CLANG_CROSS_FLAGS),, <<
94 HOST_LDFLAGS := $(LDFLAGS) <<
95 <<
96 INSTALL ?= install 94 INSTALL ?= install
97 RM ?= rm -f 95 RM ?= rm -f
98 96
99 FEATURE_USER = .bpftool 97 FEATURE_USER = .bpftool
100 !! 98 FEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib libcap \
101 FEATURE_TESTS := clang-bpf-co-re !! 99 clang-bpf-co-re
102 FEATURE_TESTS += llvm !! 100 FEATURE_DISPLAY = libbfd disassembler-four-args zlib libcap \
103 FEATURE_TESTS += libcap !! 101 clang-bpf-co-re
104 FEATURE_TESTS += libbfd <<
105 FEATURE_TESTS += libbfd-liberty <<
106 FEATURE_TESTS += libbfd-liberty-z <<
107 FEATURE_TESTS += disassembler-four-args <<
108 FEATURE_TESTS += disassembler-init-styled <<
109 <<
110 FEATURE_DISPLAY := clang-bpf-co-re <<
111 FEATURE_DISPLAY += llvm <<
112 FEATURE_DISPLAY += libcap <<
113 FEATURE_DISPLAY += libbfd <<
114 FEATURE_DISPLAY += libbfd-liberty <<
115 FEATURE_DISPLAY += libbfd-liberty-z <<
116 102
117 check_feat := 1 103 check_feat := 1
118 NON_CHECK_FEAT_TARGETS := clean uninstall doc 104 NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
119 ifdef MAKECMDGOALS 105 ifdef MAKECMDGOALS
120 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$ 106 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
121 check_feat := 0 107 check_feat := 0
122 endif 108 endif
123 endif 109 endif
124 110
125 ifeq ($(check_feat),1) 111 ifeq ($(check_feat),1)
126 ifeq ($(FEATURES_DUMP),) 112 ifeq ($(FEATURES_DUMP),)
127 include $(srctree)/tools/build/Makefile.featur 113 include $(srctree)/tools/build/Makefile.feature
128 else 114 else
129 include $(FEATURES_DUMP) 115 include $(FEATURES_DUMP)
130 endif 116 endif
131 endif 117 endif
132 118
>> 119 ifeq ($(feature-disassembler-four-args), 1)
>> 120 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
>> 121 endif
>> 122
>> 123 ifeq ($(feature-reallocarray), 0)
>> 124 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
>> 125 endif
>> 126
133 LIBS = $(LIBBPF) -lelf -lz 127 LIBS = $(LIBBPF) -lelf -lz
134 LIBS_BOOTSTRAP = $(LIBBPF_BOOTSTRAP) -lelf -lz 128 LIBS_BOOTSTRAP = $(LIBBPF_BOOTSTRAP) -lelf -lz
135 ifeq ($(feature-libcap), 1) 129 ifeq ($(feature-libcap), 1)
136 CFLAGS += -DUSE_LIBCAP 130 CFLAGS += -DUSE_LIBCAP
137 LIBS += -lcap 131 LIBS += -lcap
138 endif 132 endif
139 133
140 include $(wildcard $(OUTPUT)*.d) 134 include $(wildcard $(OUTPUT)*.d)
141 135
142 all: $(OUTPUT)bpftool 136 all: $(OUTPUT)bpftool
143 137
144 SRCS := $(wildcard *.c) !! 138 BFD_SRCS = jit_disasm.c
145 139
146 ifeq ($(feature-llvm),1) !! 140 SRCS = $(filter-out $(BFD_SRCS),$(wildcard *.c))
147 # If LLVM is available, use it for JIT disas !! 141
148 CFLAGS += -DHAVE_LLVM_SUPPORT !! 142 ifeq ($(feature-libbfd),1)
149 LLVM_CONFIG_LIB_COMPONENTS := mcdisassembler !! 143 LIBS += -lbfd -ldl -lopcodes
150 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) !! 144 else ifeq ($(feature-libbfd-liberty),1)
151 LIBS += $(shell $(LLVM_CONFIG) --libs $(L !! 145 LIBS += -lbfd -ldl -lopcodes -liberty
152 ifeq ($(shell $(LLVM_CONFIG) --shared-mode), !! 146 else ifeq ($(feature-libbfd-liberty-z),1)
153 LIBS += $(shell $(LLVM_CONFIG) --system-li !! 147 LIBS += -lbfd -ldl -lopcodes -liberty -lz
154 LIBS += -lstdc++ !! 148 endif
155 endif !! 149
156 LDFLAGS += $(shell $(LLVM_CONFIG) --ldflags) !! 150 ifneq ($(filter -lbfd,$(LIBS)),)
157 else !! 151 CFLAGS += -DHAVE_LIBBFD_SUPPORT
158 # Fall back on libbfd !! 152 SRCS += $(BFD_SRCS)
159 ifeq ($(feature-libbfd),1) <<
160 LIBS += -lbfd -ldl -lopcodes <<
161 else ifeq ($(feature-libbfd-liberty),1) <<
162 LIBS += -lbfd -ldl -lopcodes -liberty <<
163 else ifeq ($(feature-libbfd-liberty-z),1) <<
164 LIBS += -lbfd -ldl -lopcodes -liberty -lz <<
165 endif <<
166 <<
167 # If one of the above feature combinations i <<
168 ifneq ($(filter -lbfd,$(LIBS)),) <<
169 CFLAGS += -DHAVE_LIBBFD_SUPPORT <<
170 <<
171 # Libbfd interface changed over time, figu <<
172 ifeq ($(feature-disassembler-four-args), 1 <<
173 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE <<
174 endif <<
175 ifeq ($(feature-disassembler-init-styled), <<
176 CFLAGS += -DDISASM_INIT_STYLED <<
177 endif <<
178 endif <<
179 endif <<
180 ifeq ($(filter -DHAVE_LLVM_SUPPORT -DHAVE_LIBB <<
181 # No support for JIT disassembly <<
182 SRCS := $(filter-out jit_disasm.c,$(SRCS)) <<
183 endif 153 endif
184 154
185 BPFTOOL_BOOTSTRAP := $(BOOTSTRAP_OUTPUT)bpftoo 155 BPFTOOL_BOOTSTRAP := $(BOOTSTRAP_OUTPUT)bpftool
186 156
187 BOOTSTRAP_OBJS = $(addprefix $(BOOTSTRAP_OUTPU !! 157 BOOTSTRAP_OBJS = $(addprefix $(BOOTSTRAP_OUTPUT),main.o common.o json_writer.o gen.o btf.o xlated_dumper.o btf_dumper.o disasm.o)
188 $(BOOTSTRAP_OBJS): $(LIBBPF_BOOTSTRAP) 158 $(BOOTSTRAP_OBJS): $(LIBBPF_BOOTSTRAP)
189 159
190 OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $( 160 OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
191 $(OBJS): $(LIBBPF) $(LIBBPF_INTERNAL_HDRS) 161 $(OBJS): $(LIBBPF) $(LIBBPF_INTERNAL_HDRS)
192 162
193 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) 163 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
194 $(if $(KBUILD_OUTPUT),$(K 164 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
195 ../../../vmlinux 165 ../../../vmlinux \
196 /sys/kernel/btf/vmlinux 166 /sys/kernel/btf/vmlinux \
197 /boot/vmlinux-$(shell una 167 /boot/vmlinux-$(shell uname -r)
198 VMLINUX_BTF ?= $(abspath $(firstword $(wildcar 168 VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
199 169
200 bootstrap: $(BPFTOOL_BOOTSTRAP) 170 bootstrap: $(BPFTOOL_BOOTSTRAP)
201 171
202 ifneq ($(VMLINUX_BTF)$(VMLINUX_H),) 172 ifneq ($(VMLINUX_BTF)$(VMLINUX_H),)
203 ifeq ($(feature-clang-bpf-co-re),1) 173 ifeq ($(feature-clang-bpf-co-re),1)
204 174
205 BUILD_BPF_SKELS := 1 175 BUILD_BPF_SKELS := 1
206 176
207 ifeq ($(VMLINUX_H),) <<
208 $(OUTPUT)vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL_B 177 $(OUTPUT)vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL_BOOTSTRAP)
>> 178 ifeq ($(VMLINUX_H),)
209 $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) btf d 179 $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) btf dump file $< format c > $@
210 else 180 else
211 $(OUTPUT)vmlinux.h: $(VMLINUX_H) <<
212 $(Q)cp "$(VMLINUX_H)" $@ 181 $(Q)cp "$(VMLINUX_H)" $@
213 endif 182 endif
214 183
215 $(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vm 184 $(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF_BOOTSTRAP)
216 $(QUIET_CLANG)$(CLANG) \ 185 $(QUIET_CLANG)$(CLANG) \
217 -I$(or $(OUTPUT),.) \ !! 186 -I$(if $(OUTPUT),$(OUTPUT),.) \
218 -I$(srctree)/tools/include/uap 187 -I$(srctree)/tools/include/uapi/ \
219 -I$(LIBBPF_BOOTSTRAP_INCLUDE) 188 -I$(LIBBPF_BOOTSTRAP_INCLUDE) \
220 -g -O2 -Wall -fno-stack-protec !! 189 -g -O2 -Wall -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@
221 --target=bpf -c $< -o $@ <<
222 $(Q)$(LLVM_STRIP) -g $@ <<
223 190
224 $(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_ 191 $(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP)
225 $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen s 192 $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen skeleton $< > $@
226 193
227 $(OUTPUT)prog.o: $(OUTPUT)profiler.skel.h 194 $(OUTPUT)prog.o: $(OUTPUT)profiler.skel.h
228 195
229 $(OUTPUT)pids.o: $(OUTPUT)pid_iter.skel.h 196 $(OUTPUT)pids.o: $(OUTPUT)pid_iter.skel.h
230 197
231 endif 198 endif
232 endif 199 endif
233 200
234 CFLAGS += $(if $(BUILD_BPF_SKELS),,-DBPFTOOL_W 201 CFLAGS += $(if $(BUILD_BPF_SKELS),,-DBPFTOOL_WITHOUT_SKELETONS)
235 202
>> 203 $(BOOTSTRAP_OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
>> 204 $(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD -o $@ $<
>> 205
236 $(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disas 206 $(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
237 $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< !! 207 $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
>> 208
>> 209 $(OUTPUT)feature.o:
>> 210 ifneq ($(feature-zlib), 1)
>> 211 $(error "No zlib found")
>> 212 endif
238 213
239 $(BPFTOOL_BOOTSTRAP): $(BOOTSTRAP_OBJS) $(LIBB 214 $(BPFTOOL_BOOTSTRAP): $(BOOTSTRAP_OBJS) $(LIBBPF_BOOTSTRAP)
240 $(QUIET_LINK)$(HOSTCC) $(HOST_CFLAGS) !! 215 $(QUIET_LINK)$(HOSTCC) $(CFLAGS) $(LDFLAGS) -o $@ $(BOOTSTRAP_OBJS) \
>> 216 $(LIBS_BOOTSTRAP)
241 217
242 $(OUTPUT)bpftool: $(OBJS) $(LIBBPF) 218 $(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
243 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS !! 219 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
244 220
245 $(BOOTSTRAP_OUTPUT)%.o: %.c $(LIBBPF_BOOTSTRAP 221 $(BOOTSTRAP_OUTPUT)%.o: %.c $(LIBBPF_BOOTSTRAP_INTERNAL_HDRS) | $(BOOTSTRAP_OUTPUT)
246 $(QUIET_CC)$(HOSTCC) $(HOST_CFLAGS) -c !! 222 $(QUIET_CC)$(HOSTCC) \
>> 223 $(subst -I$(LIBBPF_INCLUDE),-I$(LIBBPF_BOOTSTRAP_INCLUDE),$(CFLAGS)) \
>> 224 -c -MMD -o $@ $<
247 225
248 $(OUTPUT)%.o: %.c 226 $(OUTPUT)%.o: %.c
249 $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< !! 227 $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
250 228
251 feature-detect-clean: 229 feature-detect-clean:
252 $(call QUIET_CLEAN, feature-detect) 230 $(call QUIET_CLEAN, feature-detect)
253 $(Q)$(MAKE) -C $(srctree)/tools/build/ 231 $(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null
254 232
255 clean: $(LIBBPF)-clean $(LIBBPF_BOOTSTRAP)-cle 233 clean: $(LIBBPF)-clean $(LIBBPF_BOOTSTRAP)-clean feature-detect-clean
256 $(call QUIET_CLEAN, bpftool) 234 $(call QUIET_CLEAN, bpftool)
257 $(Q)$(RM) -- $(OUTPUT)bpftool $(OUTPUT 235 $(Q)$(RM) -- $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
258 $(Q)$(RM) -- $(OUTPUT)*.skel.h $(OUTPU 236 $(Q)$(RM) -- $(OUTPUT)*.skel.h $(OUTPUT)vmlinux.h
259 $(Q)$(RM) -r -- $(LIBBPF_OUTPUT) $(BOO 237 $(Q)$(RM) -r -- $(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT)
260 $(call QUIET_CLEAN, core-gen) 238 $(call QUIET_CLEAN, core-gen)
261 $(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpf 239 $(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpftool
262 $(Q)$(RM) -r -- $(OUTPUT)feature/ 240 $(Q)$(RM) -r -- $(OUTPUT)feature/
263 241
264 install-bin: $(OUTPUT)bpftool 242 install-bin: $(OUTPUT)bpftool
265 $(call QUIET_INSTALL, bpftool) 243 $(call QUIET_INSTALL, bpftool)
266 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$( 244 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
267 $(Q)$(INSTALL) $(OUTPUT)bpftool $(DEST 245 $(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
268 246
269 install: install-bin 247 install: install-bin
270 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$( 248 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
271 $(Q)$(INSTALL) -m 0644 bash-completion 249 $(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)
272 250
273 uninstall: 251 uninstall:
274 $(call QUIET_UNINST, bpftool) 252 $(call QUIET_UNINST, bpftool)
275 $(Q)$(RM) -- $(DESTDIR)$(prefix)/sbin/ 253 $(Q)$(RM) -- $(DESTDIR)$(prefix)/sbin/bpftool
276 $(Q)$(RM) -- $(DESTDIR)$(bash_compdir) 254 $(Q)$(RM) -- $(DESTDIR)$(bash_compdir)/bpftool
277 255
278 doc: 256 doc:
279 $(call descend,Documentation) 257 $(call descend,Documentation)
280 258
281 doc-clean: 259 doc-clean:
282 $(call descend,Documentation,clean) 260 $(call descend,Documentation,clean)
283 261
284 doc-install: 262 doc-install:
285 $(call descend,Documentation,install) 263 $(call descend,Documentation,install)
286 264
287 doc-uninstall: 265 doc-uninstall:
288 $(call descend,Documentation,uninstall 266 $(call descend,Documentation,uninstall)
289 267
290 FORCE: 268 FORCE:
291 269
292 .SECONDARY: 270 .SECONDARY:
293 .PHONY: all FORCE bootstrap clean install-bin 271 .PHONY: all FORCE bootstrap clean install-bin install uninstall
294 .PHONY: doc doc-clean doc-install doc-uninstal 272 .PHONY: doc doc-clean doc-install doc-uninstall
295 .DEFAULT_GOAL := all 273 .DEFAULT_GOAL := all
296 <<
297 # Delete partially updated (corrupted) files o <<
298 .DELETE_ON_ERROR: <<
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.