1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 include ../../../build/Build.include !! 2
3 include ../../../scripts/Makefile.arch !! 3 LIBDIR := ../../../lib
4 include ../../../scripts/Makefile.include <<
5 <<
6 CXX ?= $(CROSS_COMPILE)g++ <<
7 <<
8 CURDIR := $(abspath .) <<
9 TOOLSDIR := $(abspath ../../..) <<
10 LIBDIR := $(TOOLSDIR)/lib <<
11 BPFDIR := $(LIBDIR)/bpf 4 BPFDIR := $(LIBDIR)/bpf
12 TOOLSINCDIR := $(TOOLSDIR)/include !! 5 APIDIR := ../../../include/uapi
13 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool !! 6 GENDIR := ../../../../include/generated
14 APIDIR := $(TOOLSINCDIR)/uapi <<
15 ifneq ($(O),) <<
16 GENDIR := $(O)/include/generated <<
17 else <<
18 GENDIR := $(abspath ../../../../include/genera <<
19 endif <<
20 GENHDR := $(GENDIR)/autoconf.h 7 GENHDR := $(GENDIR)/autoconf.h
21 PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config <<
22 8
23 ifneq ($(wildcard $(GENHDR)),) 9 ifneq ($(wildcard $(GENHDR)),)
24 GENFLAGS := -DHAVE_GENHDR 10 GENFLAGS := -DHAVE_GENHDR
25 endif 11 endif
26 12
27 BPF_GCC ?= $(shell command -v bpf-gcc; !! 13 CLANG ?= clang
28 SAN_CFLAGS ?= !! 14 LLC ?= llc
29 SAN_LDFLAGS ?= $(SAN_CFLAGS) !! 15 LLVM_OBJCOPY ?= llvm-objcopy
30 RELEASE ?= !! 16 LLVM_READELF ?= llvm-readelf
31 OPT_FLAGS ?= $(if $(RELEASE),-O2,-O0) !! 17 BTF_PAHOLE ?= pahole
32 !! 18 CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(BPFDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include
33 LIBELF_CFLAGS := $(shell $(PKG_CONFIG) libel !! 19 LDLIBS += -lcap -lelf -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 20
84 # Order correspond to 'make run_tests' order 21 # Order correspond to 'make run_tests' order
85 TEST_GEN_PROGS = test_verifier test_tag test_m 22 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
86 test_sock test_sockmap \ !! 23 test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \
87 test_tcpnotify_user test_sysctl \ !! 24 test_sock test_btf test_sockmap test_lirc_mode2_user get_cgroup_id_user \
88 test_progs-no_alu32 !! 25 test_socket_cookie test_cgroup_storage test_select_reuseport test_section_names \
89 TEST_INST_SUBDIRS := no_alu32 !! 26 test_netcnt test_tcpnotify_user test_sock_fields
90 !! 27
91 # Also test bpf-gcc, if present !! 28 BPF_OBJ_FILES = $(patsubst %.c,%.o, $(notdir $(wildcard progs/*.c)))
92 ifneq ($(BPF_GCC),) !! 29 TEST_GEN_FILES = $(BPF_OBJ_FILES)
93 TEST_GEN_PROGS += test_progs-bpf_gcc !! 30
94 TEST_INST_SUBDIRS += bpf_gcc !! 31 # Also test sub-register code-gen if LLVM has eBPF v3 processor support which
95 !! 32 # contains both ALU32 and JMP32 instructions.
96 # The following tests contain C code that, alt !! 33 SUBREG_CODEGEN := $(shell echo "int cal(int a) { return a > 0; }" | \
97 # triggers GCC warnings that cannot be disable !! 34 $(CLANG) -target bpf -O2 -emit-llvm -S -x c - -o - | \
98 # anonymous struct types in function parameter !! 35 $(LLC) -mattr=+alu32 -mcpu=v3 2>&1 | \
99 progs/btf_dump_test_case_bitfields.c-bpf_gcc-C !! 36 grep 'if w')
100 progs/btf_dump_test_case_namespacing.c-bpf_gcc !! 37 ifneq ($(SUBREG_CODEGEN),)
101 progs/btf_dump_test_case_packing.c-bpf_gcc-CFL !! 38 TEST_GEN_FILES += $(patsubst %.o,alu32/%.o, $(BPF_OBJ_FILES))
102 progs/btf_dump_test_case_padding.c-bpf_gcc-CFL <<
103 progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLA <<
104 <<
105 # The following tests do type-punning, via the <<
106 # `struct bpf_insn' to long and then uses the <<
107 # "is used uninitialized" warning in GCC due t <<
108 # rules. <<
109 progs/verifier_ref_tracking.c-bpf_gcc-CFLAGS : <<
110 progs/verifier_unpriv.c-bpf_gcc-CFLAGS := -fno <<
111 progs/verifier_cgroup_storage.c-bpf_gcc-CFLAGS <<
112 progs/verifier_ld_ind.c-bpf_gcc-CFLAGS := -fno <<
113 progs/verifier_map_ret_val.c-bpf_gcc-CFLAGS := <<
114 progs/verifier_spill_fill.c-bpf_gcc-CFLAGS := <<
115 progs/verifier_subprog_precision.c-bpf_gcc-CFL <<
116 progs/verifier_uninit.c-bpf_gcc-CFLAGS := -fno <<
117 endif <<
118 <<
119 ifneq ($(CLANG_CPUV4),) <<
120 TEST_GEN_PROGS += test_progs-cpuv4 <<
121 TEST_INST_SUBDIRS += cpuv4 <<
122 endif 39 endif
123 40
124 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_ <<
125 TEST_FILES = xsk_prereqs.sh $(wildcard progs/b <<
126 <<
127 # Order correspond to 'make run_tests' order 41 # Order correspond to 'make run_tests' order
128 TEST_PROGS := test_kmod.sh \ 42 TEST_PROGS := test_kmod.sh \
>> 43 test_libbpf.sh \
129 test_xdp_redirect.sh \ 44 test_xdp_redirect.sh \
130 test_xdp_redirect_multi.sh \ <<
131 test_xdp_meta.sh \ 45 test_xdp_meta.sh \
>> 46 test_offload.py \
>> 47 test_sock_addr.sh \
132 test_tunnel.sh \ 48 test_tunnel.sh \
133 test_lwt_seg6local.sh \ 49 test_lwt_seg6local.sh \
134 test_lirc_mode2.sh \ 50 test_lirc_mode2.sh \
135 test_skb_cgroup_id.sh \ 51 test_skb_cgroup_id.sh \
136 test_flow_dissector.sh \ 52 test_flow_dissector.sh \
137 test_xdp_vlan_mode_generic.sh \ !! 53 test_xdp_vlan.sh \
138 test_xdp_vlan_mode_native.sh \ !! 54 test_lwt_ip_encap.sh
139 test_lwt_ip_encap.sh \ <<
140 test_tcp_check_syncookie.sh \ <<
141 test_tc_tunnel.sh \ <<
142 test_tc_edt.sh \ <<
143 test_xdping.sh \ <<
144 test_bpftool_build.sh \ <<
145 test_bpftool.sh \ <<
146 test_bpftool_metadata.sh \ <<
147 test_doc_build.sh \ <<
148 test_xsk.sh \ <<
149 test_xdp_features.sh <<
150 55
151 TEST_PROGS_EXTENDED := with_addr.sh \ 56 TEST_PROGS_EXTENDED := with_addr.sh \
152 with_tunnels.sh ima_setup.sh verify_si !! 57 with_tunnels.sh \
153 test_xdp_vlan.sh test_bpftool.py !! 58 tcp_client.py \
>> 59 tcp_server.py
154 60
155 # Compile but not part of 'make run_tests' 61 # Compile but not part of 'make run_tests'
156 TEST_GEN_PROGS_EXTENDED = \ !! 62 TEST_GEN_PROGS_EXTENDED = test_libbpf_open test_sock_addr test_skb_cgroup_id_user \
157 flow_dissector_load test_flow_dissecto !! 63 flow_dissector_load test_flow_dissector
158 test_lirc_mode2_user xdping test_cpp r <<
159 xskxceiver xdp_redirect_multi xdp_synp <<
160 xdp_features bpf_test_no_cfi.ko bpf_te <<
161 bpf_test_modorder_y.ko <<
162 <<
163 TEST_GEN_FILES += liburandom_read.so urandom_r <<
164 <<
165 ifneq ($(V),1) <<
166 submake_extras := feature_display=0 <<
167 endif <<
168 <<
169 # override lib.mk's default rules <<
170 OVERRIDE_TARGETS := 1 <<
171 override define CLEAN <<
172 $(call msg,CLEAN) <<
173 $(Q)$(RM) -r $(TEST_GEN_PROGS) <<
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 <<
180 64
181 include ../lib.mk 65 include ../lib.mk
182 66
183 NON_CHECK_FEAT_TARGETS := clean docs-clean !! 67 # NOTE: $(OUTPUT) won't get default value if used before lib.mk
184 CHECK_FEAT := $(filter-out $(NON_CHECK_FEAT_TA !! 68 TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read
185 ifneq ($(CHECK_FEAT),) !! 69 all: $(TEST_CUSTOM_PROGS)
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 70
201 ifeq ($(feature-llvm),1) !! 71 $(OUTPUT)/urandom_read: $(OUTPUT)/%: %.c
202 LLVM_CFLAGS += -DHAVE_LLVM_SUPPORT !! 72 $(CC) -o $@ -static $< -Wl,--build-id
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 <<
213 BUILD_DIR := $(SCRATCH_DIR)/build <<
214 INCLUDE_DIR := $(SCRATCH_DIR)/include <<
215 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 <<
239 # Define simple and short `make test_progs`, ` <<
240 # to build individual tests. <<
241 # NOTE: Semicolon at the end is critical to ov <<
242 # rule for binaries. <<
243 $(notdir $(TEST_GEN_PROGS) <<
244 $(TEST_GEN_PROGS_EXTENDED)): %: $(OUT <<
245 <<
246 # sort removes libbpf duplicates when not cros <<
247 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST <<
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 <<
259 $(OUTPUT)/%:%.c <<
260 $(call msg,BINARY,,$@) <<
261 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ <<
262 <<
263 # LLVM's ld.lld doesn't support all the archit <<
264 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv <<
265 LLD := lld <<
266 else <<
267 LLD := $(shell command -v $(LD)) <<
268 endif <<
269 73
270 # Filter out -static for liburandom_read.so an !! 74 BPFOBJ := $(OUTPUT)/libbpf.a
271 # do not fail. Static builds leave urandom_rea !! 75
272 $(OUTPUT)/liburandom_read.so: urandom_read_lib !! 76 $(TEST_GEN_PROGS): $(BPFOBJ)
273 $(call msg,LIB,,$@) !! 77
274 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ !! 78 $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/libbpf.a
275 $(filter-out -static,$(CF !! 79
276 $(filter %.c,$^) $(filter !! 80 $(OUTPUT)/test_dev_cgroup: cgroup_helpers.c
277 -fuse-ld=$(LLD) -Wl,-znos !! 81 $(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c
278 -Wl,--version-script=libu !! 82 $(OUTPUT)/test_sock: cgroup_helpers.c
279 -fPIC -shared -o $@ !! 83 $(OUTPUT)/test_sock_addr: cgroup_helpers.c
280 !! 84 $(OUTPUT)/test_socket_cookie: cgroup_helpers.c
281 $(OUTPUT)/urandom_read: urandom_read.c urandom !! 85 $(OUTPUT)/test_sockmap: cgroup_helpers.c
282 $(call msg,BINARY,,$@) !! 86 $(OUTPUT)/test_tcpbpf_user: cgroup_helpers.c
283 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ !! 87 $(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c
284 $(filter-out -static,$(CF !! 88 $(OUTPUT)/test_progs: trace_helpers.c
285 -lurandom_read $(filter-o !! 89 $(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c
286 -fuse-ld=$(LLD) -Wl,-znos !! 90 $(OUTPUT)/test_cgroup_storage: cgroup_helpers.c
287 -Wl,-rpath=. -o $@ !! 91 $(OUTPUT)/test_netcnt: cgroup_helpers.c
288 !! 92 $(OUTPUT)/test_sock_fields: cgroup_helpers.c
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 93
330 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BP !! 94 .PHONY: force
331 $(Q)$(MAKE) $(submake_extras) -C $(TOO !! 95
332 OUTPUT=$(RUNQSLOWER_OUTPUT !! 96 # force a rebuild of BPFOBJ when its dependencies are updated
333 BPFTOOL_OUTPUT=$(HOST_BUIL !! 97 force:
334 BPFOBJ_OUTPUT=$(BUILD_DIR) !! 98
335 BPFOBJ=$(BPFOBJ) BPF_INCLU !! 99 $(BPFOBJ): force
336 EXTRA_CFLAGS='-g $(OPT_FLA !! 100 $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/
337 EXTRA_LDFLAGS='$(SAN_LDFLA !! 101
338 cp $(RUNQSLOWER_OUTPUT)run !! 102 PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1)
339 !! 103
340 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL) !! 104 # Let newer LLVM versions transparently probe the kernel for availability
341 !! 105 # of full BPF instruction set.
342 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): !! 106 ifeq ($(PROBE),)
343 !! 107 CPU ?= probe
344 TESTING_HELPERS := $(OUTPUT)/testing_helpers.o <<
345 CGROUP_HELPERS := $(OUTPUT)/cgroup_helpers.o <<
346 UNPRIV_HELPERS := $(OUTPUT)/unpriv_helpers.o <<
347 TRACE_HELPERS := $(OUTPUT)/trace_helpers.o <<
348 JSON_WRITER := $(OUTPUT)/json_writ <<
349 CAP_HELPERS := $(OUTPUT)/cap_helpers.o <<
350 NETWORK_HELPERS := $(OUTPUT)/network_helpers.o <<
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 <<
366 BPFTOOL ?= $(DEFAULT_BPFTOOL) <<
367 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/* <<
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 <<
380 $(Q)$(MAKE) $(submake_extras) -C $(BP <<
381 ARCH=$(ARCH) CROSS_COMPILE <<
382 EXTRA_CFLAGS='-g $(OPT_FLA <<
383 OUTPUT=$(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 <<
401 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDI <<
402 $(APIDIR)/linux/bpf.h <<
403 | $(BUILD_DIR)/libbpf <<
404 $(Q)$(MAKE) $(submake_extras) -C $(BPF <<
405 EXTRA_CFLAGS='-g $(OPT_FLA <<
406 EXTRA_LDFLAGS='$(SAN_LDFLA <<
407 DESTDIR=$(SCRATCH_DIR) pre <<
408 <<
409 ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) <<
410 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $( <<
411 $(APIDIR)/linux/bpf.h <<
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 <<
420 # vmlinux.h is first dumped to a temprorary fi <<
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 $(call msg,GEN,,$@) <<
426 $(Q)$(BPFTOOL) btf dump file $(VMLINUX <<
427 $(Q)cmp -s $(INCLUDE_DIR)/.vmlinux.h.t <<
428 else 108 else
429 $(call msg,CP,,$@) !! 109 CPU ?= generic
430 $(Q)cp "$(VMLINUX_H)" $@ <<
431 endif 110 endif
432 111
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 <<
445 # Get Clang's default includes on this system, 112 # Get Clang's default includes on this system, as opposed to those seen by
446 # '--target=bpf'. This fixes "missing" files o !! 113 # '-target bpf'. This fixes "missing" files on some architectures/distros,
447 # such as asm/byteorder.h, asm/socket.h, asm/s 114 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
448 # 115 #
449 # Use '-idirafter': Don't interfere with inclu 116 # Use '-idirafter': Don't interfere with include mechanics except where the
450 # build would have failed anyways. 117 # build would have failed anyways.
451 define get_sys_includes !! 118 CLANG_SYS_INCLUDES := $(shell $(CLANG) -v -E - </dev/null 2>&1 \
452 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \ !! 119 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }')
453 | sed -n '/<...> search starts here:/, !! 120
454 $(shell $(1) $(2) -dM -E - </dev/null | grep ' !! 121 CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \
455 $(shell $(1) $(2) -dM -E - </dev/null | grep ' !! 122 $(CLANG_SYS_INCLUDES) \
456 $(shell $(1) $(2) -dM -E - </dev/null | grep - !! 123 -Wno-compare-distinct-pointer-types
457 endef <<
458 <<
459 # Determine target endianness. <<
460 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </de <<
461 grep 'define __BYTE_OR <<
462 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endi <<
463 <<
464 ifneq ($(CROSS_COMPILE),) <<
465 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_ <<
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$( <<
471 -I$(abspath $(OUTPUT)/../usr/incl <<
472 -Wno-compare-distinct-pointer-typ <<
473 # TODO: enable me -Wsign-compare <<
474 124
475 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) !! 125 $(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline
>> 126 $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline
476 127
477 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += !! 128 $(OUTPUT)/test_queue_map.o: test_queue_stack_map.h
478 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += - !! 129 $(OUTPUT)/test_stack_map.o: test_queue_stack_map.h
479 130
480 $(OUTPUT)/flow_dissector_load.o: flow_dissecto 131 $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
481 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup !! 132 $(OUTPUT)/test_progs.o: flow_dissector_load.h
>> 133
>> 134 BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris)
>> 135 BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF)
>> 136 BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm')
>> 137 BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \
>> 138 $(CLANG) -target bpf -O2 -g -c -x c - -o ./llvm_btf_verify.o; \
>> 139 $(LLVM_READELF) -S ./llvm_btf_verify.o | grep BTF; \
>> 140 /bin/rm -f ./llvm_btf_verify.o)
>> 141
>> 142 ifneq ($(BTF_LLVM_PROBE),)
>> 143 CLANG_FLAGS += -g
>> 144 else
>> 145 ifneq ($(BTF_LLC_PROBE),)
>> 146 ifneq ($(BTF_PAHOLE_PROBE),)
>> 147 ifneq ($(BTF_OBJCOPY_PROBE),)
>> 148 CLANG_FLAGS += -g
>> 149 LLC_FLAGS += -mattr=dwarfris
>> 150 DWARF2BTF = y
>> 151 endif
>> 152 endif
>> 153 endif
>> 154 endif
>> 155
>> 156 TEST_PROGS_CFLAGS := -I. -I$(OUTPUT)
>> 157 TEST_VERIFIER_CFLAGS := -I. -I$(OUTPUT) -Iverifier
>> 158
>> 159 ifneq ($(SUBREG_CODEGEN),)
>> 160 ALU32_BUILD_DIR = $(OUTPUT)/alu32
>> 161 TEST_CUSTOM_PROGS += $(ALU32_BUILD_DIR)/test_progs_32
>> 162 $(ALU32_BUILD_DIR):
>> 163 mkdir -p $@
>> 164
>> 165 $(ALU32_BUILD_DIR)/urandom_read: $(OUTPUT)/urandom_read
>> 166 cp $< $@
>> 167
>> 168 $(ALU32_BUILD_DIR)/test_progs_32: test_progs.c $(OUTPUT)/libbpf.a\
>> 169 $(ALU32_BUILD_DIR) \
>> 170 $(ALU32_BUILD_DIR)/urandom_read
>> 171 $(CC) $(TEST_PROGS_CFLAGS) $(CFLAGS) \
>> 172 -o $(ALU32_BUILD_DIR)/test_progs_32 \
>> 173 test_progs.c trace_helpers.c prog_tests/*.c \
>> 174 $(OUTPUT)/libbpf.a $(LDLIBS)
>> 175
>> 176 $(ALU32_BUILD_DIR)/test_progs_32: $(PROG_TESTS_H)
>> 177 $(ALU32_BUILD_DIR)/test_progs_32: prog_tests/*.c
>> 178
>> 179 $(ALU32_BUILD_DIR)/%.o: progs/%.c $(ALU32_BUILD_DIR) \
>> 180 $(ALU32_BUILD_DIR)/test_progs_32
>> 181 $(CLANG) $(CLANG_FLAGS) \
>> 182 -O2 -target bpf -emit-llvm -c $< -o - | \
>> 183 $(LLC) -march=bpf -mattr=+alu32 -mcpu=$(CPU) $(LLC_FLAGS) \
>> 184 -filetype=obj -o $@
>> 185 ifeq ($(DWARF2BTF),y)
>> 186 $(BTF_PAHOLE) -J $@
>> 187 endif
>> 188 endif
>> 189
>> 190 # Have one program compiled without "-target bpf" to test whether libbpf loads
>> 191 # it successfully
>> 192 $(OUTPUT)/test_xdp.o: progs/test_xdp.c
>> 193 $(CLANG) $(CLANG_FLAGS) \
>> 194 -O2 -emit-llvm -c $< -o - | \
>> 195 $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@
>> 196 ifeq ($(DWARF2BTF),y)
>> 197 $(BTF_PAHOLE) -J $@
>> 198 endif
>> 199
>> 200 $(OUTPUT)/%.o: progs/%.c
>> 201 $(CLANG) $(CLANG_FLAGS) \
>> 202 -O2 -target bpf -emit-llvm -c $< -o - | \
>> 203 $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@
>> 204 ifeq ($(DWARF2BTF),y)
>> 205 $(BTF_PAHOLE) -J $@
>> 206 endif
>> 207
>> 208 PROG_TESTS_H := $(OUTPUT)/prog_tests/tests.h
>> 209 $(OUTPUT)/test_progs: $(PROG_TESTS_H)
>> 210 $(OUTPUT)/test_progs: CFLAGS += $(TEST_PROGS_CFLAGS)
>> 211 $(OUTPUT)/test_progs: prog_tests/*.c
>> 212
>> 213 PROG_TESTS_DIR = $(OUTPUT)/prog_tests
>> 214 $(PROG_TESTS_DIR):
>> 215 mkdir -p $@
>> 216
>> 217 PROG_TESTS_FILES := $(wildcard prog_tests/*.c)
>> 218 $(PROG_TESTS_H): $(PROG_TESTS_DIR) $(PROG_TESTS_FILES)
>> 219 $(shell ( cd prog_tests/; \
>> 220 echo '/* Generated header, do not edit */'; \
>> 221 echo '#ifdef DECLARE'; \
>> 222 ls *.c 2> /dev/null | \
>> 223 sed -e 's@\([^\.]*\)\.c@extern void test_\1(void);@'; \
>> 224 echo '#endif'; \
>> 225 echo '#ifdef CALL'; \
>> 226 ls *.c 2> /dev/null | \
>> 227 sed -e 's@\([^\.]*\)\.c@test_\1();@'; \
>> 228 echo '#endif' \
>> 229 ) > $(PROG_TESTS_H))
482 230
483 # Build BPF object using Clang !! 231 VERIFIER_TESTS_H := $(OUTPUT)/verifier/tests.h
484 # $1 - input .c file !! 232 $(OUTPUT)/test_verifier: $(VERIFIER_TESTS_H)
485 # $2 - output .o file !! 233 $(OUTPUT)/test_verifier: CFLAGS += $(TEST_VERIFIER_CFLAGS)
486 # $3 - CFLAGS !! 234
487 # $4 - binary name !! 235 VERIFIER_TESTS_DIR = $(OUTPUT)/verifier
488 define CLANG_BPF_BUILD_RULE !! 236 $(VERIFIER_TESTS_DIR):
489 $(call msg,CLNG-BPF,$4,$2) !! 237 mkdir -p $@
490 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 !! 238
491 endef !! 239 VERIFIER_TEST_FILES := $(wildcard verifier/*.c)
492 # Similar to CLANG_BPF_BUILD_RULE, but with di !! 240 $(OUTPUT)/verifier/tests.h: $(VERIFIER_TESTS_DIR) $(VERIFIER_TEST_FILES)
493 define CLANG_NOALU32_BPF_BUILD_RULE <<
494 $(call msg,CLNG-BPF,$4,$2) <<
495 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 <<
496 endef <<
497 # Similar to CLANG_BPF_BUILD_RULE, but with cp <<
498 define CLANG_CPUV4_BPF_BUILD_RULE <<
499 $(call msg,CLNG-BPF,$4,$2) <<
500 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 <<
501 endef <<
502 # Build BPF object using GCC <<
503 define GCC_BPF_BUILD_RULE <<
504 $(call msg,GCC-BPF,$4,$2) <<
505 $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_AC <<
506 endef <<
507 <<
508 SKEL_BLACKLIST := btf__% test_pinning_invalid. <<
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 += $$(LSKELS) <<
524 <<
525 test_static_linked.skel.h-deps := test_static_ <<
526 linked_funcs.skel.h-deps := linked_funcs1.bpf. <<
527 linked_vars.skel.h-deps := linked_vars1.bpf.o <<
528 linked_maps.skel.h-deps := linked_maps1.bpf.o <<
529 # In the subskeleton case, we want the test_su <<
530 # but that's created as a side-effect of the s <<
531 test_subskeleton.skel.h-deps := test_subskelet <<
532 test_subskeleton_lib.skel.h-deps := test_subsk <<
533 test_usdt.skel.h-deps := test_usdt.bpf.o test_ <<
534 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf <<
535 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata <<
536 xdp_features.skel.h-deps := xdp_features.bpf.o <<
537 <<
538 LINKED_BPF_OBJS := $(foreach skel,$(LINKED_SKE <<
539 LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(LI <<
540 <<
541 HEADERS_FOR_BPF_OBJS := $(wildcard $(BPFDIR)/* <<
542 $(addprefix $(BPFDIR)/ <<
543 <<
544 <<
545 <<
546 <<
547 # Set up extra TRUNNER_XXX "temporary" variabl <<
548 # $eval()) and pass control to DEFINE_TEST_RUN <<
549 # Parameters: <<
550 # $1 - test runner base binary name (e.g., tes <<
551 # $2 - test runner extra "flavor" (e.g., no_al <<
552 define DEFINE_TEST_RUNNER <<
553 <<
554 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 <<
555 TRUNNER_BINARY := $1$(if $2,-)$2 <<
556 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNE <<
557 $$(notdir $$( <<
558 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNN <<
559 $$(filter %.c <<
560 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_ <<
561 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/test <<
562 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TR <<
563 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER <<
564 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNE <<
565 $$(filter-out <<
566 <<
567 TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNN <<
568 TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TR <<
569 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) <<
570 <<
571 # Evaluate rules now with extra TRUNNER_XXX va <<
572 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2 <<
573 <<
574 endef <<
575 <<
576 # Using TRUNNER_XXX variables, provided by cal <<
577 # set up by DEFINE_TEST_RUNNER itself, create <<
578 # $1 - test runner base binary name (e.g., tes <<
579 # $2 - test runner extra "flavor" (e.g., no_al <<
580 define DEFINE_TEST_RUNNER_RULES <<
581 <<
582 ifeq ($($(TRUNNER_OUTPUT)-dir),) <<
583 $(TRUNNER_OUTPUT)-dir := y <<
584 $(TRUNNER_OUTPUT): <<
585 $$(call msg,MKDIR,,$$@) <<
586 $(Q)mkdir -p $$@ <<
587 endif <<
588 <<
589 # ensure we set up BPF objects generation rule <<
590 # input/output directory combination <<
591 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-b <<
592 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs : <<
593 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o <<
594 $(TRUNNER_BPF_PROGS_DIR)/ <<
595 $(TRUNNER_BPF_PROGS_DIR)/ <<
596 $$(INCLUDE_DIR)/vmlinux.h <<
597 $(HEADERS_FOR_BPF_OBJS) <<
598 | $(TRUNNER_OUTPUT) $$(BP <<
599 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<, <<
600 $(TR <<
601 $$($ <<
602 $$($ <<
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) $$(<:.o= <<
613 <<
614 $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BP <<
615 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) <<
616 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll <<
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): $(TRUNNER_OUTPUT)/%.skel.h <<
643 @true <<
644 <<
645 endif <<
646 <<
647 # ensure we set up tests.h header generation r <<
648 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) <<
649 $(TRUNNER_TESTS_DIR)-tests-hdr := y <<
650 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c <<
651 $$(call msg,TEST-HDR,$(TRUNNER_BINARY) <<
652 $$(shell (echo '/* Generated header, d <<
653 sed -n -E 's/^void (serial_) <<
654 $(TRUNNER_TESTS_DIR)/* <<
655 ) > $$@) <<
656 endif <<
657 <<
658 # compile individual test files <<
659 # Note: we cd into output directory to ensure <<
660 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test <<
661 $(TRUNNER_TESTS_DIR)/%.c <<
662 | $(TRUNNER_OUTPUT)/%.te <<
663 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY) <<
664 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) <<
665 <<
666 $(TRUNNER_TEST_OBJS:.o=.d): $(TRUNNER_OUTPUT)/ <<
667 $(TRUNNER_TESTS_DI <<
668 $(TRUNNER_EXTRA_HD <<
669 $(TRUNNER_BPF_SKEL <<
670 $(TRUNNER_BPF_LSKE <<
671 $(TRUNNER_BPF_SKEL <<
672 $$(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 <<
682 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: <<
683 %.c <<
684 $(TRUNNER_EXTRA_HDRS) <<
685 $(TRUNNER_TESTS_HDR) <<
686 $$(BPFOBJ) | $(TRUNNER_ <<
687 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY), <<
688 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS <<
689 <<
690 # non-flavored in-srctree builds receive speci <<
691 # do not need to copy extra resources (see e.g <<
692 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILE <<
693 ifneq ($2:$(OUTPUT),:$(shell pwd)) <<
694 $$(call msg,EXT-COPY,$(TRUNNER_BINARY) <<
695 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/ <<
696 endif <<
697 <<
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 <<
705 $(TRUNNER_EXTRA_O <<
706 $(RESOLVE_BTFIDS) <<
707 $(TRUNNER_BPFTOOL <<
708 | $(TRUNNER_BINAR <<
709 $$(call msg,BINARY,,$$@) <<
710 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %. <<
711 $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_ <<
712 $(Q)ln -sf $(if $2,..,.)/tools/build/b <<
713 $(OUTPUT)/$(if $2,$2/)bpfto <<
714 <<
715 endef <<
716 <<
717 # Define test_progs test runner. <<
718 TRUNNER_TESTS_DIR := prog_tests <<
719 TRUNNER_BPF_PROGS_DIR := progs <<
720 TRUNNER_EXTRA_SOURCES := test_progs.c <<
721 cgroup_helpers.c <<
722 trace_helpers.c <<
723 network_helpers.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 <<
750 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF <<
751 $(eval $(call DEFINE_TEST_RUNNER,test_progs)) <<
752 <<
753 # Define test_progs-no_alu32 test runner. <<
754 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BU <<
755 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF <<
756 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no <<
757 <<
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 <<
766 ifneq ($(BPF_GCC),) <<
767 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE <<
768 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get <<
769 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bp <<
770 endif <<
771 <<
772 # Define test_maps test runner. <<
773 TRUNNER_TESTS_DIR := map_tests <<
774 TRUNNER_BPF_PROGS_DIR := progs <<
775 TRUNNER_EXTRA_SOURCES := test_maps.c <<
776 TRUNNER_EXTRA_FILES := <<
777 TRUNNER_BPF_BUILD_RULE := $$(error no BPF obje <<
778 TRUNNER_BPF_CFLAGS := <<
779 $(eval $(call DEFINE_TEST_RUNNER,test_maps)) <<
780 <<
781 # Define test_verifier test runner. <<
782 # It is much simpler than test_maps/test_progs <<
783 # them (e.g., test.h is using completely patte <<
784 # explicitly defining all the rules explicitly <<
785 verifier/tests.h: verifier/*.c <<
786 $(shell ( cd verifier/; \ 241 $(shell ( cd verifier/; \
787 echo '/* Generated header, d 242 echo '/* Generated header, do not edit */'; \
788 echo '#ifdef FILL_ARRAY'; \ 243 echo '#ifdef FILL_ARRAY'; \
789 ls *.c 2> /dev/null | sed -e !! 244 ls *.c 2> /dev/null | \
>> 245 sed -e 's@\(.*\)@#include \"\1\"@'; \
790 echo '#endif' \ 246 echo '#endif' \
791 ) > verifier/tests.h) !! 247 ) > $(VERIFIER_TESTS_H))
792 $(OUTPUT)/test_verifier: test_verifier.c verif !! 248
793 $(call msg,BINARY,,$@) !! 249 EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(ALU32_BUILD_DIR) \
794 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % !! 250 $(VERIFIER_TESTS_H) $(PROG_TESTS_H)
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 <<
810 # Make sure we are able to include and link li <<
811 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/tes <<
812 $(call msg,CXX,,$@) <<
813 $(Q)$(CXX) $(subst -D_GNU_SOURCE=,,$(C <<
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 <<
857 $(OUTPUT)/veristat.o: $(BPFOBJ) <<
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 <<
871 feature bpftool <<
872 $(addprefix $(OUTPUT)/,*.o *.d *.skel. <<
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 <<
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