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