1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 include ../../../build/Build.include !! 2 include ../../../../scripts/Kbuild.include
3 include ../../../scripts/Makefile.arch 3 include ../../../scripts/Makefile.arch
4 include ../../../scripts/Makefile.include <<
5 <<
6 CXX ?= $(CROSS_COMPILE)g++ <<
7 4
8 CURDIR := $(abspath .) 5 CURDIR := $(abspath .)
9 TOOLSDIR := $(abspath ../../..) 6 TOOLSDIR := $(abspath ../../..)
10 LIBDIR := $(TOOLSDIR)/lib 7 LIBDIR := $(TOOLSDIR)/lib
11 BPFDIR := $(LIBDIR)/bpf 8 BPFDIR := $(LIBDIR)/bpf
12 TOOLSINCDIR := $(TOOLSDIR)/include 9 TOOLSINCDIR := $(TOOLSDIR)/include
13 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool 10 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool
14 APIDIR := $(TOOLSINCDIR)/uapi 11 APIDIR := $(TOOLSINCDIR)/uapi
15 ifneq ($(O),) <<
16 GENDIR := $(O)/include/generated <<
17 else <<
18 GENDIR := $(abspath ../../../../include/genera 12 GENDIR := $(abspath ../../../../include/generated)
19 endif <<
20 GENHDR := $(GENDIR)/autoconf.h 13 GENHDR := $(GENDIR)/autoconf.h
21 PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config <<
22 14
23 ifneq ($(wildcard $(GENHDR)),) 15 ifneq ($(wildcard $(GENHDR)),)
24 GENFLAGS := -DHAVE_GENHDR 16 GENFLAGS := -DHAVE_GENHDR
25 endif 17 endif
26 18
>> 19 CLANG ?= clang
>> 20 LLC ?= llc
>> 21 LLVM_OBJCOPY ?= llvm-objcopy
27 BPF_GCC ?= $(shell command -v bpf-gcc; 22 BPF_GCC ?= $(shell command -v bpf-gcc;)
28 SAN_CFLAGS ?= !! 23 CFLAGS += -g -rdynamic -Wall -O2 $(GENFLAGS) -I$(CURDIR) \
29 SAN_LDFLAGS ?= $(SAN_CFLAGS) !! 24 -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) -I$(TOOLSINCDIR) \
30 RELEASE ?= !! 25 -I$(APIDIR) \
31 OPT_FLAGS ?= $(if $(RELEASE),-O2,-O0) !! 26 -Dbpf_prog_load=bpf_prog_test_load \
32 !! 27 -Dbpf_load_program=bpf_test_load_program
33 LIBELF_CFLAGS := $(shell $(PKG_CONFIG) libel !! 28 LDLIBS += -lcap -lelf -lz -lrt -lpthread
34 LIBELF_LIBS := $(shell $(PKG_CONFIG) libel <<
35 <<
36 ifeq ($(srctree),) <<
37 srctree := $(patsubst %/,%,$(dir $(CURDIR))) <<
38 srctree := $(patsubst %/,%,$(dir $(srctree))) <<
39 srctree := $(patsubst %/,%,$(dir $(srctree))) <<
40 srctree := $(patsubst %/,%,$(dir $(srctree))) <<
41 endif <<
42 <<
43 CFLAGS += -g $(OPT_FLAGS) -rdynamic <<
44 -Wall -Werror -fno-omit-frame-pointe <<
45 $(GENFLAGS) $(SAN_CFLAGS) $(LIBELF_C <<
46 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GEN <<
47 -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUT <<
48 LDFLAGS += $(SAN_LDFLAGS) <<
49 LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread <<
50 <<
51 PCAP_CFLAGS := $(shell $(PKG_CONFIG) --cfl <<
52 PCAP_LIBS := $(shell $(PKG_CONFIG) --lib <<
53 LDLIBS += $(PCAP_LIBS) <<
54 CFLAGS += $(PCAP_CFLAGS) <<
55 <<
56 # The following tests perform type punning and <<
57 # aliasing rules, which are exploited by both <<
58 # while optimizing. This can lead to broken p <<
59 progs/bind4_prog.c-CFLAGS := -fno-strict-alias <<
60 progs/bind6_prog.c-CFLAGS := -fno-strict-alias <<
61 progs/dynptr_fail.c-CFLAGS := -fno-strict-alia <<
62 progs/linked_list_fail.c-CFLAGS := -fno-strict <<
63 progs/map_kptr_fail.c-CFLAGS := -fno-strict-al <<
64 progs/syscall.c-CFLAGS := -fno-strict-aliasing <<
65 progs/test_pkt_md_access.c-CFLAGS := -fno-stri <<
66 progs/test_sk_lookup.c-CFLAGS := -fno-strict-a <<
67 progs/timer_crash.c-CFLAGS := -fno-strict-alia <<
68 progs/test_global_func9.c-CFLAGS := -fno-stric <<
69 progs/verifier_nocsr.c-CFLAGS := -fno-strict-a <<
70 <<
71 # Some utility functions use LLVM libraries <<
72 jit_disasm_helpers.c-CFLAGS = $(LLVM_CFLAGS) <<
73 <<
74 ifneq ($(LLVM),) <<
75 # Silence some warnings when compiled with cla <<
76 CFLAGS += -Wno-unused-command-line-argument <<
77 endif <<
78 <<
79 # Check whether bpf cpu=v4 is supported or not <<
80 ifneq ($(shell $(CLANG) --target=bpf -mcpu=hel <<
81 CLANG_CPUV4 := 1 <<
82 endif <<
83 29
84 # Order correspond to 'make run_tests' order 30 # Order correspond to 'make run_tests' order
85 TEST_GEN_PROGS = test_verifier test_tag test_m 31 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
86 test_sock test_sockmap \ !! 32 test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \
87 test_tcpnotify_user test_sysctl \ !! 33 test_sock test_btf test_sockmap get_cgroup_id_user test_socket_cookie \
88 test_progs-no_alu32 !! 34 test_cgroup_storage \
89 TEST_INST_SUBDIRS := no_alu32 !! 35 test_netcnt test_tcpnotify_user test_sock_fields test_sysctl test_hashmap \
>> 36 test_progs-no_alu32 \
>> 37 test_current_pid_tgid_new_ns
90 38
91 # Also test bpf-gcc, if present 39 # Also test bpf-gcc, if present
92 ifneq ($(BPF_GCC),) 40 ifneq ($(BPF_GCC),)
93 TEST_GEN_PROGS += test_progs-bpf_gcc 41 TEST_GEN_PROGS += test_progs-bpf_gcc
94 TEST_INST_SUBDIRS += bpf_gcc <<
95 <<
96 # The following tests contain C code that, alt <<
97 # triggers GCC warnings that cannot be disable <<
98 # anonymous struct types in function parameter <<
99 progs/btf_dump_test_case_bitfields.c-bpf_gcc-C <<
100 progs/btf_dump_test_case_namespacing.c-bpf_gcc <<
101 progs/btf_dump_test_case_packing.c-bpf_gcc-CFL <<
102 progs/btf_dump_test_case_padding.c-bpf_gcc-CFL <<
103 progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLA <<
104 <<
105 # The following tests do type-punning, via the <<
106 # `struct bpf_insn' to long and then uses the <<
107 # "is used uninitialized" warning in GCC due t <<
108 # rules. <<
109 progs/verifier_ref_tracking.c-bpf_gcc-CFLAGS : <<
110 progs/verifier_unpriv.c-bpf_gcc-CFLAGS := -fno <<
111 progs/verifier_cgroup_storage.c-bpf_gcc-CFLAGS <<
112 progs/verifier_ld_ind.c-bpf_gcc-CFLAGS := -fno <<
113 progs/verifier_map_ret_val.c-bpf_gcc-CFLAGS := <<
114 progs/verifier_spill_fill.c-bpf_gcc-CFLAGS := <<
115 progs/verifier_subprog_precision.c-bpf_gcc-CFL <<
116 progs/verifier_uninit.c-bpf_gcc-CFLAGS := -fno <<
117 endif <<
118 <<
119 ifneq ($(CLANG_CPUV4),) <<
120 TEST_GEN_PROGS += test_progs-cpuv4 <<
121 TEST_INST_SUBDIRS += cpuv4 <<
122 endif 42 endif
123 43
124 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_ !! 44 TEST_GEN_FILES =
125 TEST_FILES = xsk_prereqs.sh $(wildcard progs/b !! 45 TEST_FILES = test_lwt_ip_encap.o \
>> 46 test_tc_edt.o
126 47
127 # Order correspond to 'make run_tests' order 48 # Order correspond to 'make run_tests' order
128 TEST_PROGS := test_kmod.sh \ 49 TEST_PROGS := test_kmod.sh \
129 test_xdp_redirect.sh \ 50 test_xdp_redirect.sh \
130 test_xdp_redirect_multi.sh \ <<
131 test_xdp_meta.sh \ 51 test_xdp_meta.sh \
>> 52 test_xdp_veth.sh \
>> 53 test_offload.py \
>> 54 test_sock_addr.sh \
132 test_tunnel.sh \ 55 test_tunnel.sh \
133 test_lwt_seg6local.sh \ 56 test_lwt_seg6local.sh \
134 test_lirc_mode2.sh \ 57 test_lirc_mode2.sh \
135 test_skb_cgroup_id.sh \ 58 test_skb_cgroup_id.sh \
136 test_flow_dissector.sh \ 59 test_flow_dissector.sh \
137 test_xdp_vlan_mode_generic.sh \ 60 test_xdp_vlan_mode_generic.sh \
138 test_xdp_vlan_mode_native.sh \ 61 test_xdp_vlan_mode_native.sh \
139 test_lwt_ip_encap.sh \ 62 test_lwt_ip_encap.sh \
140 test_tcp_check_syncookie.sh \ 63 test_tcp_check_syncookie.sh \
141 test_tc_tunnel.sh \ 64 test_tc_tunnel.sh \
142 test_tc_edt.sh \ 65 test_tc_edt.sh \
143 test_xdping.sh \ 66 test_xdping.sh \
144 test_bpftool_build.sh \ 67 test_bpftool_build.sh \
145 test_bpftool.sh \ !! 68 test_bpftool.sh
146 test_bpftool_metadata.sh \ <<
147 test_doc_build.sh \ <<
148 test_xsk.sh \ <<
149 test_xdp_features.sh <<
150 69
151 TEST_PROGS_EXTENDED := with_addr.sh \ 70 TEST_PROGS_EXTENDED := with_addr.sh \
152 with_tunnels.sh ima_setup.sh verify_si !! 71 with_tunnels.sh \
153 test_xdp_vlan.sh test_bpftool.py !! 72 tcp_client.py \
>> 73 tcp_server.py \
>> 74 test_xdp_vlan.sh
154 75
155 # Compile but not part of 'make run_tests' 76 # Compile but not part of 'make run_tests'
156 TEST_GEN_PROGS_EXTENDED = \ !! 77 TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \
157 flow_dissector_load test_flow_dissecto 78 flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
158 test_lirc_mode2_user xdping test_cpp r !! 79 test_lirc_mode2_user xdping test_cpp runqslower
159 xskxceiver xdp_redirect_multi xdp_synp <<
160 xdp_features bpf_test_no_cfi.ko bpf_te <<
161 bpf_test_modorder_y.ko <<
162 80
163 TEST_GEN_FILES += liburandom_read.so urandom_r !! 81 TEST_CUSTOM_PROGS = urandom_read
164 82
165 ifneq ($(V),1) !! 83 # Emit succinct information message describing current building step
>> 84 # $1 - generic step name (e.g., CC, LINK, etc);
>> 85 # $2 - optional "flavor" specifier; if provided, will be emitted as [flavor];
>> 86 # $3 - target (assumed to be file); only file name will be emitted;
>> 87 # $4 - optional extra arg, emitted as-is, if provided.
>> 88 ifeq ($(V),1)
>> 89 Q =
>> 90 msg =
>> 91 else
>> 92 Q = @
>> 93 msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))";
>> 94 MAKEFLAGS += --no-print-directory
166 submake_extras := feature_display=0 95 submake_extras := feature_display=0
167 endif 96 endif
168 97
169 # override lib.mk's default rules 98 # override lib.mk's default rules
170 OVERRIDE_TARGETS := 1 99 OVERRIDE_TARGETS := 1
171 override define CLEAN 100 override define CLEAN
172 $(call msg,CLEAN) 101 $(call msg,CLEAN)
173 $(Q)$(RM) -r $(TEST_GEN_PROGS) !! 102 $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
174 $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED <<
175 $(Q)$(RM) -r $(TEST_GEN_FILES) <<
176 $(Q)$(RM) -r $(EXTRA_CLEAN) <<
177 $(Q)$(MAKE) -C bpf_testmod clean <<
178 $(Q)$(MAKE) docs-clean <<
179 endef 103 endef
180 104
181 include ../lib.mk 105 include ../lib.mk
182 106
183 NON_CHECK_FEAT_TARGETS := clean docs-clean <<
184 CHECK_FEAT := $(filter-out $(NON_CHECK_FEAT_TA <<
185 ifneq ($(CHECK_FEAT),) <<
186 FEATURE_USER := .selftests <<
187 FEATURE_TESTS := llvm <<
188 FEATURE_DISPLAY := $(FEATURE_TESTS) <<
189 <<
190 # Makefile.feature expects OUTPUT to end with <<
191 ifeq ($(shell expr $(MAKE_VERSION) \>= 4.4), 1 <<
192 $(let OUTPUT,$(OUTPUT)/,\ <<
193 $(eval include ../../../build/Makefile <<
194 else <<
195 OUTPUT := $(OUTPUT)/ <<
196 $(eval include ../../../build/Makefile.feature <<
197 OUTPUT := $(patsubst %/,%,$(OUTPUT)) <<
198 endif <<
199 endif <<
200 <<
201 ifeq ($(feature-llvm),1) <<
202 LLVM_CFLAGS += -DHAVE_LLVM_SUPPORT <<
203 LLVM_CONFIG_LIB_COMPONENTS := mcdisassembler <<
204 # both llvm-config and lib.mk add -D_GNU_SOU <<
205 LLVM_CFLAGS += $(filter-out -D_GNU_SOURCE,$ <<
206 LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --lin <<
207 LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --lin <<
208 LLVM_LDLIBS += -lstdc++ <<
209 LLVM_LDFLAGS += $(shell $(LLVM_CONFIG) --ldf <<
210 endif <<
211 <<
212 SCRATCH_DIR := $(OUTPUT)/tools 107 SCRATCH_DIR := $(OUTPUT)/tools
213 BUILD_DIR := $(SCRATCH_DIR)/build 108 BUILD_DIR := $(SCRATCH_DIR)/build
214 INCLUDE_DIR := $(SCRATCH_DIR)/include 109 INCLUDE_DIR := $(SCRATCH_DIR)/include
215 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 110 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a
216 ifneq ($(CROSS_COMPILE),) <<
217 HOST_BUILD_DIR := $(BUILD_DIR)/host <<
218 HOST_SCRATCH_DIR := $(OUTPUT)/host-tool <<
219 HOST_INCLUDE_DIR := $(HOST_SCRATCH_DIR) <<
220 else <<
221 HOST_BUILD_DIR := $(BUILD_DIR) <<
222 HOST_SCRATCH_DIR := $(SCRATCH_DIR) <<
223 HOST_INCLUDE_DIR := $(INCLUDE_DIR) <<
224 endif <<
225 HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf <<
226 RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_bt <<
227 RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/ <<
228 <<
229 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) <<
230 $(if $(KBUILD_OUTPUT),$(K <<
231 ../../../../vmlinux <<
232 /sys/kernel/btf/vmlinux <<
233 /boot/vmlinux-$(shell una <<
234 VMLINUX_BTF ?= $(abspath $(firstword $(wildcar <<
235 ifeq ($(VMLINUX_BTF),) <<
236 $(error Cannot find a vmlinux for VMLINUX_BTF <<
237 endif <<
238 111
239 # Define simple and short `make test_progs`, ` 112 # Define simple and short `make test_progs`, `make test_sysctl`, etc targets
240 # to build individual tests. 113 # to build individual tests.
241 # NOTE: Semicolon at the end is critical to ov 114 # NOTE: Semicolon at the end is critical to override lib.mk's default static
242 # rule for binaries. 115 # rule for binaries.
243 $(notdir $(TEST_GEN_PROGS) 116 $(notdir $(TEST_GEN_PROGS) \
244 $(TEST_GEN_PROGS_EXTENDED)): %: $(OUT !! 117 $(TEST_PROGS) \
245 !! 118 $(TEST_PROGS_EXTENDED) \
246 # sort removes libbpf duplicates when not cros !! 119 $(TEST_GEN_PROGS_EXTENDED) \
247 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST !! 120 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ;
248 $(BUILD_DIR)/bpftool $(HOST_BUI <<
249 $(HOST_BUILD_DIR)/resolve_btfid <<
250 $(RUNQSLOWER_OUTPUT) $(INCLUDE_ <<
251 $(MAKE_DIRS): <<
252 $(call msg,MKDIR,,$@) <<
253 $(Q)mkdir -p $@ <<
254 <<
255 $(OUTPUT)/%.o: %.c <<
256 $(call msg,CC,,$@) <<
257 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^ <<
258 121
259 $(OUTPUT)/%:%.c 122 $(OUTPUT)/%:%.c
260 $(call msg,BINARY,,$@) 123 $(call msg,BINARY,,$@)
261 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ !! 124 $(LINK.c) $^ $(LDLIBS) -o $@
262 125
263 # LLVM's ld.lld doesn't support all the archit !! 126 $(OUTPUT)/urandom_read: urandom_read.c
264 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv !! 127 $(call msg,BINARY,,$@)
265 LLD := lld !! 128 $(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id
266 else <<
267 LLD := $(shell command -v $(LD)) <<
268 endif <<
269 129
270 # Filter out -static for liburandom_read.so an !! 130 $(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ)
271 # do not fail. Static builds leave urandom_rea !! 131 $(call msg,CC,,$@)
272 $(OUTPUT)/liburandom_read.so: urandom_read_lib !! 132 $(CC) -c $(CFLAGS) -o $@ $<
273 $(call msg,LIB,,$@) <<
274 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ <<
275 $(filter-out -static,$(CF <<
276 $(filter %.c,$^) $(filter <<
277 -fuse-ld=$(LLD) -Wl,-znos <<
278 -Wl,--version-script=libu <<
279 -fPIC -shared -o $@ <<
280 133
281 $(OUTPUT)/urandom_read: urandom_read.c urandom !! 134 VMLINUX_BTF_PATHS := $(if $(O),$(O)/vmlinux) \
282 $(call msg,BINARY,,$@) !! 135 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
283 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ !! 136 ../../../../vmlinux \
284 $(filter-out -static,$(CF !! 137 /sys/kernel/btf/vmlinux \
285 -lurandom_read $(filter-o !! 138 /boot/vmlinux-$(shell uname -r)
286 -fuse-ld=$(LLD) -Wl,-znos !! 139 VMLINUX_BTF := $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
287 -Wl,-rpath=. -o $@ !! 140
288 !! 141 DEFAULT_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool
289 $(OUTPUT)/sign-file: ../../../../scripts/sign- <<
290 $(call msg,SIGN-FILE,,$@) <<
291 $(Q)$(CC) $(shell $(PKG_CONFIG) --cfla <<
292 $< -o $@ \ <<
293 $(shell $(PKG_CONFIG) --libs <<
294 <<
295 $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RES <<
296 $(call msg,MOD,,$@) <<
297 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # <<
298 $(Q)$(MAKE) $(submake_extras) RESOLVE_ <<
299 $(Q)cp bpf_testmod/bpf_testmod.ko $@ <<
300 <<
301 $(OUTPUT)/bpf_test_no_cfi.ko: $(VMLINUX_BTF) $ <<
302 $(call msg,MOD,,$@) <<
303 $(Q)$(RM) bpf_test_no_cfi/bpf_test_no_ <<
304 $(Q)$(MAKE) $(submake_extras) RESOLVE_ <<
305 $(Q)cp bpf_test_no_cfi/bpf_test_no_cfi <<
306 <<
307 $(OUTPUT)/bpf_test_modorder_x.ko: $(VMLINUX_BT <<
308 $(call msg,MOD,,$@) <<
309 $(Q)$(RM) bpf_test_modorder_x/bpf_test <<
310 $(Q)$(MAKE) $(submake_extras) RESOLVE_ <<
311 $(Q)cp bpf_test_modorder_x/bpf_test_mo <<
312 <<
313 $(OUTPUT)/bpf_test_modorder_y.ko: $(VMLINUX_BT <<
314 $(call msg,MOD,,$@) <<
315 $(Q)$(RM) bpf_test_modorder_y/bpf_test <<
316 $(Q)$(MAKE) $(submake_extras) RESOLVE_ <<
317 $(Q)cp bpf_test_modorder_y/bpf_test_mo <<
318 <<
319 <<
320 DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bp <<
321 ifneq ($(CROSS_COMPILE),) <<
322 CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool <<
323 TRUNNER_BPFTOOL := $(CROSS_BPFTOOL) <<
324 USE_BOOTSTRAP := "" <<
325 else <<
326 TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL) <<
327 USE_BOOTSTRAP := "bootstrap/" <<
328 endif <<
329 142
330 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BP !! 143 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL)
331 $(Q)$(MAKE) $(submake_extras) -C $(TOO !! 144 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \
332 OUTPUT=$(RUNQSLOWER_OUTPUT !! 145 OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \
333 BPFTOOL_OUTPUT=$(HOST_BUIL !! 146 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \
334 BPFOBJ_OUTPUT=$(BUILD_DIR) !! 147 cp $(SCRATCH_DIR)/runqslower $@
335 BPFOBJ=$(BPFOBJ) BPF_INCLU !! 148
336 EXTRA_CFLAGS='-g $(OPT_FLA !! 149 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ)
337 EXTRA_LDFLAGS='$(SAN_LDFLA !! 150
338 cp $(RUNQSLOWER_OUTPUT)run !! 151 $(OUTPUT)/test_dev_cgroup: cgroup_helpers.c
339 !! 152 $(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c
340 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL) !! 153 $(OUTPUT)/test_sock: cgroup_helpers.c
341 !! 154 $(OUTPUT)/test_sock_addr: cgroup_helpers.c
342 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): !! 155 $(OUTPUT)/test_socket_cookie: cgroup_helpers.c
343 !! 156 $(OUTPUT)/test_sockmap: cgroup_helpers.c
344 TESTING_HELPERS := $(OUTPUT)/testing_helpers.o !! 157 $(OUTPUT)/test_tcpbpf_user: cgroup_helpers.c
345 CGROUP_HELPERS := $(OUTPUT)/cgroup_helpers.o !! 158 $(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c
346 UNPRIV_HELPERS := $(OUTPUT)/unpriv_helpers.o !! 159 $(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c
347 TRACE_HELPERS := $(OUTPUT)/trace_helpers.o !! 160 $(OUTPUT)/test_cgroup_storage: cgroup_helpers.c
348 JSON_WRITER := $(OUTPUT)/json_writ !! 161 $(OUTPUT)/test_netcnt: cgroup_helpers.c
349 CAP_HELPERS := $(OUTPUT)/cap_helpers.o !! 162 $(OUTPUT)/test_sock_fields: cgroup_helpers.c
350 NETWORK_HELPERS := $(OUTPUT)/network_helpers.o !! 163 $(OUTPUT)/test_sysctl: cgroup_helpers.c
351 <<
352 $(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTI <<
353 $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TE <<
354 $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPER <<
355 $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) <<
356 $(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TES <<
357 $(OUTPUT)/test_tag: $(TESTING_HELPERS) <<
358 $(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELP <<
359 $(OUTPUT)/xdping: $(TESTING_HELPERS) <<
360 $(OUTPUT)/flow_dissector_load: $(TESTING_HELPE <<
361 $(OUTPUT)/test_maps: $(TESTING_HELPERS) <<
362 $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $( <<
363 $(OUTPUT)/xsk.o: $(BPFOBJ) <<
364 $(OUTPUT)/test_tcp_check_syncookie_user: $(NET <<
365 164
366 BPFTOOL ?= $(DEFAULT_BPFTOOL) 165 BPFTOOL ?= $(DEFAULT_BPFTOOL)
367 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/* 166 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \
368 $(HOST_BPFOBJ) | $(HOST_BU <<
369 $(Q)$(MAKE) $(submake_extras) -C $(BP <<
370 ARCH= CROSS_COMPILE= CC="$ <<
371 EXTRA_CFLAGS='-g $(OPT_FLA <<
372 OUTPUT=$(HOST_BUILD_DIR)/b <<
373 LIBBPF_OUTPUT=$(HOST_BUILD <<
374 LIBBPF_DESTDIR=$(HOST_SCRA <<
375 prefix= DESTDIR=$(HOST_SCR <<
376 <<
377 ifneq ($(CROSS_COMPILE),) <<
378 $(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ <<
379 $(BPFOBJ) | $(BUILD_DIR)/b 167 $(BPFOBJ) | $(BUILD_DIR)/bpftool
380 $(Q)$(MAKE) $(submake_extras) -C $(BP !! 168 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
381 ARCH=$(ARCH) CROSS_COMPILE !! 169 OUTPUT=$(BUILD_DIR)/bpftool/ \
382 EXTRA_CFLAGS='-g $(OPT_FLA !! 170 prefix= DESTDIR=$(SCRATCH_DIR)/ install
383 OUTPUT=$(BUILD_DIR)/bpftoo <<
384 LIBBPF_OUTPUT=$(BUILD_DIR) <<
385 LIBBPF_DESTDIR=$(SCRATCH_D <<
386 prefix= DESTDIR=$(SCRATCH_ <<
387 endif <<
388 <<
389 all: docs <<
390 <<
391 docs: <<
392 $(Q)RST2MAN_OPTS="--exit-status=1" $(M <<
393 -f Makefile.docs <<
394 prefix= OUTPUT=$(OUTPUT)/ <<
395 <<
396 docs-clean: <<
397 $(Q)$(MAKE) $(submake_extras) <<
398 -f Makefile.docs <<
399 prefix= OUTPUT=$(OUTPUT)/ <<
400 171
401 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDI 172 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \
402 $(APIDIR)/linux/bpf.h !! 173 ../../../include/uapi/linux/bpf.h \
403 | $(BUILD_DIR)/libbpf !! 174 | $(INCLUDE_DIR) $(BUILD_DIR)/libbpf
404 $(Q)$(MAKE) $(submake_extras) -C $(BPF 175 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
405 EXTRA_CFLAGS='-g $(OPT_FLA <<
406 EXTRA_LDFLAGS='$(SAN_LDFLA <<
407 DESTDIR=$(SCRATCH_DIR) pre 176 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers
408 177
409 ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) !! 178 $(BUILD_DIR)/libbpf $(BUILD_DIR)/bpftool $(INCLUDE_DIR):
410 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $( !! 179 $(call msg,MKDIR,,$@)
411 $(APIDIR)/linux/bpf.h !! 180 mkdir -p $@
412 | $(HOST_BUILD_DIR)/libbpf <<
413 $(Q)$(MAKE) $(submake_extras) -C $(BPF <<
414 EXTRA_CFLAGS='-g $(OPT_FLA <<
415 OUTPUT=$(HOST_BUILD_DIR)/l <<
416 CC="$(HOSTCC)" LD="$(HOSTL <<
417 DESTDIR=$(HOST_SCRATCH_DIR <<
418 endif <<
419 181
420 # vmlinux.h is first dumped to a temprorary fi !! 182 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) | $(BPFTOOL) $(INCLUDE_DIR)
421 # the previous version. This helps to avoid un <<
422 # $(TRUNNER_BPF_OBJS) <<
423 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPF <<
424 ifeq ($(VMLINUX_H),) <<
425 $(call msg,GEN,,$@) 183 $(call msg,GEN,,$@)
426 $(Q)$(BPFTOOL) btf dump file $(VMLINUX !! 184 $(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
427 $(Q)cmp -s $(INCLUDE_DIR)/.vmlinux.h.t <<
428 else <<
429 $(call msg,CP,,$@) <<
430 $(Q)cp "$(VMLINUX_H)" $@ <<
431 endif <<
432 <<
433 $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUI <<
434 $(TOOLSDIR)/bpf/resolve <<
435 $(TOOLSDIR)/lib/rbtree. <<
436 $(TOOLSDIR)/lib/zalloc. <<
437 $(TOOLSDIR)/lib/string. <<
438 $(TOOLSDIR)/lib/ctype.c <<
439 $(TOOLSDIR)/lib/str_err <<
440 $(Q)$(MAKE) $(submake_extras) -C $(TOO <<
441 CC="$(HOSTCC)" LD="$(HOSTLD)" <<
442 LIBBPF_INCLUDE=$(HOST_INCLUDE_ <<
443 OUTPUT=$(HOST_BUILD_DIR)/resol <<
444 185
445 # Get Clang's default includes on this system, 186 # Get Clang's default includes on this system, as opposed to those seen by
446 # '--target=bpf'. This fixes "missing" files o !! 187 # '-target bpf'. This fixes "missing" files on some architectures/distros,
447 # such as asm/byteorder.h, asm/socket.h, asm/s 188 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
448 # 189 #
449 # Use '-idirafter': Don't interfere with inclu 190 # Use '-idirafter': Don't interfere with include mechanics except where the
450 # build would have failed anyways. 191 # build would have failed anyways.
451 define get_sys_includes 192 define get_sys_includes
452 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \ !! 193 $(shell $(1) -v -E - </dev/null 2>&1 \
453 | sed -n '/<...> search starts here:/, !! 194 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }')
454 $(shell $(1) $(2) -dM -E - </dev/null | grep ' <<
455 $(shell $(1) $(2) -dM -E - </dev/null | grep ' <<
456 $(shell $(1) $(2) -dM -E - </dev/null | grep - <<
457 endef 195 endef
458 196
459 # Determine target endianness. 197 # Determine target endianness.
460 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </de 198 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
461 grep 'define __BYTE_OR 199 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__')
462 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endi 200 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
463 201
464 ifneq ($(CROSS_COMPILE),) !! 202 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG))
465 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_ !! 203 BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \
466 endif <<
467 <<
468 CLANG_SYS_INCLUDES = $(call get_sys_includes,$ <<
469 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_ <<
470 -I$(INCLUDE_DIR) -I$(CURDIR) -I$( 204 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \
471 -I$(abspath $(OUTPUT)/../usr/incl !! 205 -I$(abspath $(OUTPUT)/../usr/include)
472 -Wno-compare-distinct-pointer-typ <<
473 # TODO: enable me -Wsign-compare <<
474 206
475 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) !! 207 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
>> 208 -Wno-compare-distinct-pointer-types
476 209
477 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += 210 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
478 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += - 211 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
479 212
480 $(OUTPUT)/flow_dissector_load.o: flow_dissecto 213 $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
481 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup <<
482 214
483 # Build BPF object using Clang 215 # Build BPF object using Clang
484 # $1 - input .c file 216 # $1 - input .c file
485 # $2 - output .o file 217 # $2 - output .o file
486 # $3 - CFLAGS 218 # $3 - CFLAGS
487 # $4 - binary name !! 219 # $4 - LDFLAGS
488 define CLANG_BPF_BUILD_RULE 220 define CLANG_BPF_BUILD_RULE
489 $(call msg,CLNG-BPF,$4,$2) !! 221 $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2)
490 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 !! 222 ($(CLANG) $3 -O2 -target bpf -emit-llvm \
>> 223 -c $1 -o - || echo "BPF obj compilation failed") | \
>> 224 $(LLC) -mattr=dwarfris -march=bpf -mcpu=v3 $4 -filetype=obj -o $2
491 endef 225 endef
492 # Similar to CLANG_BPF_BUILD_RULE, but with di 226 # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32
493 define CLANG_NOALU32_BPF_BUILD_RULE 227 define CLANG_NOALU32_BPF_BUILD_RULE
494 $(call msg,CLNG-BPF,$4,$2) !! 228 $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2)
495 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 !! 229 ($(CLANG) $3 -O2 -target bpf -emit-llvm \
>> 230 -c $1 -o - || echo "BPF obj compilation failed") | \
>> 231 $(LLC) -march=bpf -mcpu=v2 $4 -filetype=obj -o $2
496 endef 232 endef
497 # Similar to CLANG_BPF_BUILD_RULE, but with cp !! 233 # Similar to CLANG_BPF_BUILD_RULE, but using native Clang and bpf LLC
498 define CLANG_CPUV4_BPF_BUILD_RULE !! 234 define CLANG_NATIVE_BPF_BUILD_RULE
499 $(call msg,CLNG-BPF,$4,$2) !! 235 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
500 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 !! 236 ($(CLANG) $3 -O2 -emit-llvm \
>> 237 -c $1 -o - || echo "BPF obj compilation failed") | \
>> 238 $(LLC) -march=bpf -mcpu=v3 $4 -filetype=obj -o $2
501 endef 239 endef
502 # Build BPF object using GCC 240 # Build BPF object using GCC
503 define GCC_BPF_BUILD_RULE 241 define GCC_BPF_BUILD_RULE
504 $(call msg,GCC-BPF,$4,$2) !! 242 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2)
505 $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_AC !! 243 $(BPF_GCC) $3 $4 -O2 -c $1 -o $2
506 endef 244 endef
507 245
508 SKEL_BLACKLIST := btf__% test_pinning_invalid. !! 246 SKEL_BLACKLIST := btf__% test_pinning_invalid.c
509 <<
510 LINKED_SKELS := test_static_linked.skel.h link <<
511 linked_vars.skel.h linked_maps <<
512 test_subskeleton.skel.h test_s <<
513 test_usdt.skel.h <<
514 <<
515 LSKELS := fentry_test.c fexit_test.c fexit_sle <<
516 trace_printk.c trace_vprintk.c map_ptr <<
517 core_kern.c core_kern_overflow.c test_ <<
518 test_ringbuf_n.c test_ringbuf_map_key. <<
519 <<
520 # Generate both light skeleton and libbpf skel <<
521 LSKELS_EXTRA := test_ksyms_module.c test_ksyms <<
522 kfunc_call_test_subprog.c <<
523 SKEL_BLACKLIST += $$(LSKELS) <<
524 <<
525 test_static_linked.skel.h-deps := test_static_ <<
526 linked_funcs.skel.h-deps := linked_funcs1.bpf. <<
527 linked_vars.skel.h-deps := linked_vars1.bpf.o <<
528 linked_maps.skel.h-deps := linked_maps1.bpf.o <<
529 # In the subskeleton case, we want the test_su <<
530 # but that's created as a side-effect of the s <<
531 test_subskeleton.skel.h-deps := test_subskelet <<
532 test_subskeleton_lib.skel.h-deps := test_subsk <<
533 test_usdt.skel.h-deps := test_usdt.bpf.o test_ <<
534 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf <<
535 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata <<
536 xdp_features.skel.h-deps := xdp_features.bpf.o <<
537 <<
538 LINKED_BPF_OBJS := $(foreach skel,$(LINKED_SKE <<
539 LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(LI <<
540 <<
541 HEADERS_FOR_BPF_OBJS := $(wildcard $(BPFDIR)/* <<
542 $(addprefix $(BPFDIR)/ <<
543 <<
544 <<
545 <<
546 247
547 # Set up extra TRUNNER_XXX "temporary" variabl 248 # Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on
548 # $eval()) and pass control to DEFINE_TEST_RUN 249 # $eval()) and pass control to DEFINE_TEST_RUNNER_RULES.
549 # Parameters: 250 # Parameters:
550 # $1 - test runner base binary name (e.g., tes 251 # $1 - test runner base binary name (e.g., test_progs)
551 # $2 - test runner extra "flavor" (e.g., no_al !! 252 # $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
552 define DEFINE_TEST_RUNNER 253 define DEFINE_TEST_RUNNER
553 254
554 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 255 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2
555 TRUNNER_BINARY := $1$(if $2,-)$2 256 TRUNNER_BINARY := $1$(if $2,-)$2
556 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNE 257 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \
557 $$(notdir $$( 258 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c)))
558 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNN 259 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \
559 $$(filter %.c 260 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES)))
560 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_ 261 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES))
561 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/test 262 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h
562 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TR 263 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c))
563 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER !! 264 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS))
564 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNE 265 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \
565 $$(filter-out !! 266 $$(filter-out $(SKEL_BLACKLIST), \
566 267 $$(TRUNNER_BPF_SRCS)))
567 TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNN <<
568 TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TR <<
569 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 268 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)
570 269
571 # Evaluate rules now with extra TRUNNER_XXX va 270 # Evaluate rules now with extra TRUNNER_XXX variables above already defined
572 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2 271 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2))
573 272
574 endef 273 endef
575 274
576 # Using TRUNNER_XXX variables, provided by cal 275 # Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and
577 # set up by DEFINE_TEST_RUNNER itself, create 276 # set up by DEFINE_TEST_RUNNER itself, create test runner build rules with:
578 # $1 - test runner base binary name (e.g., tes 277 # $1 - test runner base binary name (e.g., test_progs)
579 # $2 - test runner extra "flavor" (e.g., no_al !! 278 # $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
580 define DEFINE_TEST_RUNNER_RULES 279 define DEFINE_TEST_RUNNER_RULES
581 280
582 ifeq ($($(TRUNNER_OUTPUT)-dir),) 281 ifeq ($($(TRUNNER_OUTPUT)-dir),)
583 $(TRUNNER_OUTPUT)-dir := y 282 $(TRUNNER_OUTPUT)-dir := y
584 $(TRUNNER_OUTPUT): 283 $(TRUNNER_OUTPUT):
585 $$(call msg,MKDIR,,$$@) 284 $$(call msg,MKDIR,,$$@)
586 $(Q)mkdir -p $$@ !! 285 mkdir -p $$@
587 endif 286 endif
588 287
589 # ensure we set up BPF objects generation rule 288 # ensure we set up BPF objects generation rule just once for a given
590 # input/output directory combination 289 # input/output directory combination
591 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-b 290 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),)
592 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs : 291 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y
593 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o !! 292 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \
594 $(TRUNNER_BPF_PROGS_DIR)/ 293 $(TRUNNER_BPF_PROGS_DIR)/%.c \
595 $(TRUNNER_BPF_PROGS_DIR)/ 294 $(TRUNNER_BPF_PROGS_DIR)/*.h \
596 $$(INCLUDE_DIR)/vmlinux.h 295 $$(INCLUDE_DIR)/vmlinux.h \
597 $(HEADERS_FOR_BPF_OBJS) !! 296 $$(BPFOBJ) | $(TRUNNER_OUTPUT)
598 | $(TRUNNER_OUTPUT) $$(BP <<
599 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<, 297 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \
600 $(TR !! 298 $(TRUNNER_BPF_CFLAGS), \
601 $$($ !! 299 $(TRUNNER_BPF_LDFLAGS))
602 $$($ <<
603 <<
604 $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFT <<
605 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) <<
606 $(Q)$$(BPFTOOL) gen object $$(<:.o=.li <<
607 $(Q)$$(BPFTOOL) gen object $$(<:.o=.li <<
608 $(Q)$$(BPFTOOL) gen object $$(<:.o=.li <<
609 $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=. <<
610 $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=. <<
611 $(Q)$$(BPFTOOL) gen subskeleton $$(<:. <<
612 $(Q)rm -f $$(<:.o=.linked1.o) $$(<:.o= <<
613 300
614 $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BP !! 301 $(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \
>> 302 $(TRUNNER_OUTPUT)/%.o \
>> 303 | $(BPFTOOL) $(TRUNNER_OUTPUT)
615 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) 304 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
616 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll !! 305 $$(BPFTOOL) gen skeleton $$< > $$@
617 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll <<
618 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll <<
619 $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o= <<
620 $(Q)$$(BPFTOOL) gen skeleton -L $$(<:. <<
621 $(Q)rm -f $$(<:.o=.llinked1.o) $$(<:.o <<
622 <<
623 $(LINKED_BPF_OBJS): %: $(TRUNNER_OUTPUT)/% <<
624 <<
625 # .SECONDEXPANSION here allows to correctly ex <<
626 .SECONDEXPANSION: <<
627 $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_OUTPUT) <<
628 $$(call msg,LINK-BPF,$(TRUNNER_BINARY) <<
629 $(Q)$$(BPFTOOL) gen object $$(@:.skel. <<
630 $(Q)$$(BPFTOOL) gen object $$(@:.skel. <<
631 $(Q)$$(BPFTOOL) gen object $$(@:.skel. <<
632 $(Q)diff $$(@:.skel.h=.linked2.o) $$(@ <<
633 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) <<
634 $(Q)$$(BPFTOOL) gen skeleton $$(@:.ske <<
635 $(Q)$$(BPFTOOL) gen subskeleton $$(@:. <<
636 $(Q)rm -f $$(@:.skel.h=.linked1.o) $$( <<
637 <<
638 # When the compiler generates a %.d file, only <<
639 # full paths) are specified as prerequisites f <<
640 # file. This target makes %.skel.h basename de <<
641 # linking generated %.d dependency with actual <<
642 $(notdir %.skel.h): $(TRUNNER_OUTPUT)/%.skel.h <<
643 @true <<
644 <<
645 endif 306 endif
646 307
647 # ensure we set up tests.h header generation r 308 # ensure we set up tests.h header generation rule just once
648 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) 309 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
649 $(TRUNNER_TESTS_DIR)-tests-hdr := y 310 $(TRUNNER_TESTS_DIR)-tests-hdr := y
650 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c 311 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c
651 $$(call msg,TEST-HDR,$(TRUNNER_BINARY) 312 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@)
652 $$(shell (echo '/* Generated header, d !! 313 $$(shell ( cd $(TRUNNER_TESTS_DIR); \
653 sed -n -E 's/^void (serial_) !! 314 echo '/* Generated header, do not edit */'; \
654 $(TRUNNER_TESTS_DIR)/* !! 315 ls *.c 2> /dev/null | \
>> 316 sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@'; \
655 ) > $$@) 317 ) > $$@)
656 endif 318 endif
657 319
658 # compile individual test files 320 # compile individual test files
659 # Note: we cd into output directory to ensure 321 # Note: we cd into output directory to ensure embedded BPF object is found
660 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test 322 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \
661 $(TRUNNER_TESTS_DIR)/%.c 323 $(TRUNNER_TESTS_DIR)/%.c \
662 | $(TRUNNER_OUTPUT)/%.te !! 324 $(TRUNNER_EXTRA_HDRS) \
>> 325 $(TRUNNER_BPF_OBJS) \
>> 326 $(TRUNNER_BPF_SKELS) \
>> 327 $$(BPFOBJ) | $(TRUNNER_OUTPUT)
663 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY) 328 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
664 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) !! 329 cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
665 <<
666 $(TRUNNER_TEST_OBJS:.o=.d): $(TRUNNER_OUTPUT)/ <<
667 $(TRUNNER_TESTS_DI <<
668 $(TRUNNER_EXTRA_HD <<
669 $(TRUNNER_BPF_SKEL <<
670 $(TRUNNER_BPF_LSKE <<
671 $(TRUNNER_BPF_SKEL <<
672 $$(BPFOBJ) | $(TRU <<
673 <<
674 ifeq ($(filter clean docs-clean,$(MAKECMDGOALS <<
675 include $(wildcard $(TRUNNER_TEST_OBJS:.o=.d)) <<
676 endif <<
677 <<
678 # add per extra obj CFGLAGS definitions <<
679 $(foreach N,$(patsubst $(TRUNNER_OUTPUT)/%.o,% <<
680 $(eval $(TRUNNER_OUTPUT)/$(N).o: CFLAG <<
681 330
682 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: 331 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \
683 %.c 332 %.c \
684 $(TRUNNER_EXTRA_HDRS) 333 $(TRUNNER_EXTRA_HDRS) \
685 $(TRUNNER_TESTS_HDR) 334 $(TRUNNER_TESTS_HDR) \
686 $$(BPFOBJ) | $(TRUNNER_ 335 $$(BPFOBJ) | $(TRUNNER_OUTPUT)
687 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY), 336 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
688 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS !! 337 $$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
689 338
690 # non-flavored in-srctree builds receive speci !! 339 # only copy extra resources if in flavored build
691 # do not need to copy extra resources (see e.g <<
692 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILE 340 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
693 ifneq ($2:$(OUTPUT),:$(shell pwd)) !! 341 ifneq ($2,)
694 $$(call msg,EXT-COPY,$(TRUNNER_BINARY) 342 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
695 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/ !! 343 cp -a $$^ $(TRUNNER_OUTPUT)/
696 endif 344 endif
697 345
698 $(OUTPUT)/$(TRUNNER_BINARY): LDLIBS += $$(LLVM <<
699 $(OUTPUT)/$(TRUNNER_BINARY): LDFLAGS += $$(LLV <<
700 <<
701 # some X.test.o files have runtime dependencie <<
702 $(OUTPUT)/$(TRUNNER_BINARY): | $(TRUNNER_BPF_O <<
703 <<
704 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OB 346 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \
705 $(TRUNNER_EXTRA_O 347 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \
706 $(RESOLVE_BTFIDS) <<
707 $(TRUNNER_BPFTOOL <<
708 | $(TRUNNER_BINAR 348 | $(TRUNNER_BINARY)-extras
709 $$(call msg,BINARY,,$$@) 349 $$(call msg,BINARY,,$$@)
710 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %. !! 350 $$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@
711 $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_ <<
712 $(Q)ln -sf $(if $2,..,.)/tools/build/b <<
713 $(OUTPUT)/$(if $2,$2/)bpfto <<
714 351
715 endef 352 endef
716 353
717 # Define test_progs test runner. 354 # Define test_progs test runner.
718 TRUNNER_TESTS_DIR := prog_tests 355 TRUNNER_TESTS_DIR := prog_tests
719 TRUNNER_BPF_PROGS_DIR := progs 356 TRUNNER_BPF_PROGS_DIR := progs
720 TRUNNER_EXTRA_SOURCES := test_progs.c !! 357 TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \
721 cgroup_helpers.c !! 358 flow_dissector_load.h
722 trace_helpers.c !! 359 TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read \
723 network_helpers.c !! 360 $(wildcard progs/btf_dump_test_case_*.c)
724 testing_helpers.c <<
725 btf_helpers.c <<
726 cap_helpers.c <<
727 unpriv_helpers.c <<
728 netlink_helpers.c <<
729 jit_disasm_helpers.c <<
730 test_loader.c <<
731 xsk.c <<
732 disasm.c <<
733 disasm_helpers.c <<
734 json_writer.c <<
735 flow_dissector_load.h <<
736 ip_check_defrag_frags <<
737 TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read <<
738 $(OUTPUT)/bpf_test_no_c <<
739 $(OUTPUT)/bpf_test_modo <<
740 $(OUTPUT)/bpf_test_modo <<
741 $(OUTPUT)/liburandom_re <<
742 $(OUTPUT)/xdp_synproxy <<
743 $(OUTPUT)/sign-file <<
744 $(OUTPUT)/uprobe_multi <<
745 ima_setup.sh <<
746 verify_sig_setup.sh <<
747 $(wildcard progs/btf_du <<
748 $(wildcard progs/*.bpf. <<
749 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 361 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
750 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF !! 362 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
>> 363 TRUNNER_BPF_LDFLAGS := -mattr=+alu32
751 $(eval $(call DEFINE_TEST_RUNNER,test_progs)) 364 $(eval $(call DEFINE_TEST_RUNNER,test_progs))
752 365
753 # Define test_progs-no_alu32 test runner. 366 # Define test_progs-no_alu32 test runner.
754 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BU 367 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE
755 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF !! 368 TRUNNER_BPF_LDFLAGS :=
756 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no 369 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32))
757 370
758 # Define test_progs-cpuv4 test runner. <<
759 ifneq ($(CLANG_CPUV4),) <<
760 TRUNNER_BPF_BUILD_RULE := CLANG_CPUV4_BPF_BUIL <<
761 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF <<
762 $(eval $(call DEFINE_TEST_RUNNER,test_progs,cp <<
763 endif <<
764 <<
765 # Define test_progs BPF-GCC-flavored test runn 371 # Define test_progs BPF-GCC-flavored test runner.
766 ifneq ($(BPF_GCC),) 372 ifneq ($(BPF_GCC),)
767 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 373 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE
768 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get !! 374 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc)
>> 375 TRUNNER_BPF_LDFLAGS :=
769 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bp 376 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc))
770 endif 377 endif
771 378
772 # Define test_maps test runner. 379 # Define test_maps test runner.
773 TRUNNER_TESTS_DIR := map_tests 380 TRUNNER_TESTS_DIR := map_tests
774 TRUNNER_BPF_PROGS_DIR := progs 381 TRUNNER_BPF_PROGS_DIR := progs
775 TRUNNER_EXTRA_SOURCES := test_maps.c 382 TRUNNER_EXTRA_SOURCES := test_maps.c
776 TRUNNER_EXTRA_FILES := 383 TRUNNER_EXTRA_FILES :=
777 TRUNNER_BPF_BUILD_RULE := $$(error no BPF obje 384 TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built)
778 TRUNNER_BPF_CFLAGS := 385 TRUNNER_BPF_CFLAGS :=
>> 386 TRUNNER_BPF_LDFLAGS :=
779 $(eval $(call DEFINE_TEST_RUNNER,test_maps)) 387 $(eval $(call DEFINE_TEST_RUNNER,test_maps))
780 388
781 # Define test_verifier test runner. 389 # Define test_verifier test runner.
782 # It is much simpler than test_maps/test_progs 390 # It is much simpler than test_maps/test_progs and sufficiently different from
783 # them (e.g., test.h is using completely patte 391 # them (e.g., test.h is using completely pattern), that it's worth just
784 # explicitly defining all the rules explicitly 392 # explicitly defining all the rules explicitly.
785 verifier/tests.h: verifier/*.c 393 verifier/tests.h: verifier/*.c
786 $(shell ( cd verifier/; \ 394 $(shell ( cd verifier/; \
787 echo '/* Generated header, d 395 echo '/* Generated header, do not edit */'; \
788 echo '#ifdef FILL_ARRAY'; \ 396 echo '#ifdef FILL_ARRAY'; \
789 ls *.c 2> /dev/null | sed -e 397 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \
790 echo '#endif' \ 398 echo '#endif' \
791 ) > verifier/tests.h) 399 ) > verifier/tests.h)
792 $(OUTPUT)/test_verifier: test_verifier.c verif 400 $(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT)
793 $(call msg,BINARY,,$@) 401 $(call msg,BINARY,,$@)
794 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % !! 402 $(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
795 <<
796 # Include find_bit.c to compile xskxceiver. <<
797 EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c <<
798 $(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver. <<
799 $(call msg,BINARY,,$@) <<
800 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % <<
801 <<
802 $(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $ <<
803 $(call msg,BINARY,,$@) <<
804 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % <<
805 <<
806 $(OUTPUT)/xdp_features: xdp_features.c $(OUTPU <<
807 $(call msg,BINARY,,$@) <<
808 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % <<
809 403
810 # Make sure we are able to include and link li 404 # Make sure we are able to include and link libbpf against c++.
811 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/tes 405 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ)
812 $(call msg,CXX,,$@) 406 $(call msg,CXX,,$@)
813 $(Q)$(CXX) $(subst -D_GNU_SOURCE=,,$(C !! 407 $(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@
814 <<
815 # Benchmark runner <<
816 $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h <<
817 $(call msg,CC,,$@) <<
818 $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %. <<
819 $(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overh <<
820 $(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_b <<
821 $(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_ <<
822 $(OUTPUT)/perfbuf_ <<
823 $(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/ <<
824 $(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop <<
825 $(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_b <<
826 $(OUTPUT)/bench_bpf_hashmap_full_update.o: $(O <<
827 $(OUTPUT)/bench_local_storage.o: $(OUTPUT)/loc <<
828 $(OUTPUT)/bench_local_storage_rcu_tasks_trace. <<
829 $(OUTPUT)/bench_local_storage_create.o: $(OUTP <<
830 $(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT <<
831 $(OUTPUT)/bench_htab_mem.o: $(OUTPUT)/htab_mem <<
832 $(OUTPUT)/bench_bpf_crypto.o: $(OUTPUT)/crypto <<
833 $(OUTPUT)/bench.o: bench.h testing_helpers.h $ <<
834 $(OUTPUT)/bench: LDLIBS += -lm <<
835 $(OUTPUT)/bench: $(OUTPUT)/bench.o \ <<
836 $(TESTING_HELPERS) \ <<
837 $(TRACE_HELPERS) \ <<
838 $(CGROUP_HELPERS) \ <<
839 $(OUTPUT)/bench_count.o \ <<
840 $(OUTPUT)/bench_rename.o \ <<
841 $(OUTPUT)/bench_trigger.o \ <<
842 $(OUTPUT)/bench_ringbufs.o \ <<
843 $(OUTPUT)/bench_bloom_filter_ <<
844 $(OUTPUT)/bench_bpf_loop.o \ <<
845 $(OUTPUT)/bench_strncmp.o \ <<
846 $(OUTPUT)/bench_bpf_hashmap_f <<
847 $(OUTPUT)/bench_local_storage <<
848 $(OUTPUT)/bench_local_storage <<
849 $(OUTPUT)/bench_bpf_hashmap_l <<
850 $(OUTPUT)/bench_local_storage <<
851 $(OUTPUT)/bench_htab_mem.o \ <<
852 $(OUTPUT)/bench_bpf_crypto.o <<
853 # <<
854 $(call msg,BINARY,,$@) <<
855 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte <<
856 408
857 $(OUTPUT)/veristat.o: $(BPFOBJ) !! 409 EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) \
858 $(OUTPUT)/veristat: $(OUTPUT)/veristat.o <<
859 $(call msg,BINARY,,$@) <<
860 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte <<
861 <<
862 # Linking uprobe_multi can fail due to relocat <<
863 $(OUTPUT)/uprobe_multi: CFLAGS += $(if $(filte <<
864 $(OUTPUT)/uprobe_multi: uprobe_multi.c uprobe_ <<
865 $(call msg,BINARY,,$@) <<
866 $(Q)$(CC) $(CFLAGS) -Wl,-T,uprobe_mult <<
867 $(filter-out %.ld,$^) $(LDLIBS <<
868 <<
869 EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_D <<
870 prog_tests/tests.h map_tests/tests.h v 410 prog_tests/tests.h map_tests/tests.h verifier/tests.h \
871 feature bpftool !! 411 feature \
872 $(addprefix $(OUTPUT)/,*.o *.d *.skel. !! 412 $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc)
873 no_alu32 cpuv4 <<
874 bpf_test_no_cfi <<
875 bpf_test_modord <<
876 bpf_test_modord <<
877 liburandom_read <<
878 $(OUTPUT)/FEATURE-DUMP.selftests <<
879 <<
880 .PHONY: docs docs-clean <<
881 <<
882 # Delete partially updated (corrupted) files o <<
883 .DELETE_ON_ERROR: <<
884 <<
885 DEFAULT_INSTALL_RULE := $(INSTALL_RULE) <<
886 override define INSTALL_RULE <<
887 $(DEFAULT_INSTALL_RULE) <<
888 @for DIR in $(TEST_INST_SUBDIRS); do <<
889 mkdir -p $(INSTALL_PATH)/$$DIR <<
890 rsync -a $(OUTPUT)/$$DIR/*.bpf <<
891 done <<
892 endef <<
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.