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 ?= $(shell command -v bpf-gcc; !! 13 CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(BPFDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include 28 SAN_CFLAGS ?= !! 14 LDLIBS += -lcap -lelf -lrt -lpthread 29 SAN_LDFLAGS ?= $(SAN_CFLAGS) << 30 RELEASE ?= << 31 OPT_FLAGS ?= $(if $(RELEASE),-O2,-O0) << 32 << 33 LIBELF_CFLAGS := $(shell $(PKG_CONFIG) libel << 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 15 43 CFLAGS += -g $(OPT_FLAGS) -rdynamic !! 16 TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read 44 -Wall -Werror -fno-omit-frame-pointe !! 17 all: $(TEST_CUSTOM_PROGS) 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 18 79 # Check whether bpf cpu=v4 is supported or not !! 19 $(TEST_CUSTOM_PROGS): $(OUTPUT)/%: %.c 80 ifneq ($(shell $(CLANG) --target=bpf -mcpu=hel !! 20 $(CC) -o $(TEST_CUSTOM_PROGS) -static $< -Wl,--build-id 81 CLANG_CPUV4 := 1 << 82 endif << 83 21 84 # Order correspond to 'make run_tests' order 22 # Order correspond to 'make run_tests' order 85 TEST_GEN_PROGS = test_verifier test_tag test_m 23 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 86 test_sock test_sockmap \ !! 24 test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \ 87 test_tcpnotify_user test_sysctl \ !! 25 test_sock test_btf test_sockmap test_lirc_mode2_user get_cgroup_id_user 88 test_progs-no_alu32 << 89 TEST_INST_SUBDIRS := no_alu32 << 90 << 91 # Also test bpf-gcc, if present << 92 ifneq ($(BPF_GCC),) << 93 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 << 123 26 124 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_ !! 27 TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test_obj_id.o \ 125 TEST_FILES = xsk_prereqs.sh $(wildcard progs/b !! 28 test_pkt_md_access.o test_xdp_redirect.o test_xdp_meta.o sockmap_parse_prog.o \ >> 29 sockmap_verdict_prog.o dev_cgroup.o sample_ret0.o test_tracepoint.o \ >> 30 test_l4lb_noinline.o test_xdp_noinline.o test_stacktrace_map.o \ >> 31 sample_map_ret0.o test_tcpbpf_kern.o test_stacktrace_build_id.o \ >> 32 sockmap_tcp_msg_prog.o connect4_prog.o connect6_prog.o test_adjust_tail.o \ >> 33 test_btf_haskv.o test_btf_nokv.o test_sockmap_kern.o test_tunnel_kern.o \ >> 34 test_get_stack_rawtp.o test_sockmap_kern.o test_sockhash_kern.o \ >> 35 test_lwt_seg6local.o sendmsg4_prog.o sendmsg6_prog.o test_lirc_mode2_kern.o \ >> 36 get_cgroup_id_kern.o 126 37 127 # Order correspond to 'make run_tests' order 38 # Order correspond to 'make run_tests' order 128 TEST_PROGS := test_kmod.sh \ 39 TEST_PROGS := test_kmod.sh \ >> 40 test_libbpf.sh \ 129 test_xdp_redirect.sh \ 41 test_xdp_redirect.sh \ 130 test_xdp_redirect_multi.sh \ << 131 test_xdp_meta.sh \ 42 test_xdp_meta.sh \ >> 43 test_offload.py \ >> 44 test_sock_addr.sh \ 132 test_tunnel.sh \ 45 test_tunnel.sh \ 133 test_lwt_seg6local.sh \ 46 test_lwt_seg6local.sh \ 134 test_lirc_mode2.sh \ !! 47 test_lirc_mode2.sh 135 test_skb_cgroup_id.sh \ << 136 test_flow_dissector.sh \ << 137 test_xdp_vlan_mode_generic.sh \ << 138 test_xdp_vlan_mode_native.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 << 151 TEST_PROGS_EXTENDED := with_addr.sh \ << 152 with_tunnels.sh ima_setup.sh verify_si << 153 test_xdp_vlan.sh test_bpftool.py << 154 48 155 # Compile but not part of 'make run_tests' 49 # Compile but not part of 'make run_tests' 156 TEST_GEN_PROGS_EXTENDED = \ !! 50 TEST_GEN_PROGS_EXTENDED = test_libbpf_open test_sock_addr 157 flow_dissector_load test_flow_dissecto << 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 51 181 include ../lib.mk 52 include ../lib.mk 182 53 183 NON_CHECK_FEAT_TARGETS := clean docs-clean !! 54 BPFOBJ := $(OUTPUT)/libbpf.a 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 55 201 ifeq ($(feature-llvm),1) !! 56 $(TEST_GEN_PROGS): $(BPFOBJ) 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 57 212 SCRATCH_DIR := $(OUTPUT)/tools !! 58 $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/libbpf.a 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 59 239 # Define simple and short `make test_progs`, ` !! 60 $(OUTPUT)/test_dev_cgroup: cgroup_helpers.c 240 # to build individual tests. !! 61 $(OUTPUT)/test_sock: cgroup_helpers.c 241 # NOTE: Semicolon at the end is critical to ov !! 62 $(OUTPUT)/test_sock_addr: cgroup_helpers.c 242 # rule for binaries. !! 63 $(OUTPUT)/test_sockmap: cgroup_helpers.c 243 $(notdir $(TEST_GEN_PROGS) !! 64 $(OUTPUT)/test_progs: trace_helpers.c 244 $(TEST_GEN_PROGS_EXTENDED)): %: $(OUT !! 65 $(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c 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 66 259 $(OUTPUT)/%:%.c !! 67 .PHONY: force 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 68 270 # Filter out -static for liburandom_read.so an !! 69 # force a rebuild of BPFOBJ when its dependencies are updated 271 # do not fail. Static builds leave urandom_rea !! 70 force: 272 $(OUTPUT)/liburandom_read.so: urandom_read_lib << 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 << 281 $(OUTPUT)/urandom_read: urandom_read.c urandom << 282 $(call msg,BINARY,,$@) << 283 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ << 284 $(filter-out -static,$(CF << 285 -lurandom_read $(filter-o << 286 -fuse-ld=$(LLD) -Wl,-znos << 287 -Wl,-rpath=. -o $@ << 288 << 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 71 330 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BP !! 72 $(BPFOBJ): force 331 $(Q)$(MAKE) $(submake_extras) -C $(TOO !! 73 $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ 332 OUTPUT=$(RUNQSLOWER_OUTPUT << 333 BPFTOOL_OUTPUT=$(HOST_BUIL << 334 BPFOBJ_OUTPUT=$(BUILD_DIR) << 335 BPFOBJ=$(BPFOBJ) BPF_INCLU << 336 EXTRA_CFLAGS='-g $(OPT_FLA << 337 EXTRA_LDFLAGS='$(SAN_LDFLA << 338 cp $(RUNQSLOWER_OUTPUT)run << 339 << 340 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL) << 341 << 342 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): << 343 << 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 74 389 all: docs !! 75 CLANG ?= clang >> 76 LLC ?= llc >> 77 LLVM_OBJCOPY ?= llvm-objcopy >> 78 BTF_PAHOLE ?= pahole 390 79 391 docs: !! 80 PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1) 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 81 420 # vmlinux.h is first dumped to a temprorary fi !! 82 # Let newer LLVM versions transparently probe the kernel for availability 421 # the previous version. This helps to avoid un !! 83 # of full BPF instruction set. 422 # $(TRUNNER_BPF_OBJS) !! 84 ifeq ($(PROBE),) 423 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPF !! 85 CPU ?= probe 424 ifeq ($(VMLINUX_H),) << 425 $(call msg,GEN,,$@) << 426 $(Q)$(BPFTOOL) btf dump file $(VMLINUX << 427 $(Q)cmp -s $(INCLUDE_DIR)/.vmlinux.h.t << 428 else 86 else 429 $(call msg,CP,,$@) !! 87 CPU ?= generic 430 $(Q)cp "$(VMLINUX_H)" $@ << 431 endif 88 endif 432 89 433 $(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, 90 # Get Clang's default includes on this system, as opposed to those seen by 446 # '--target=bpf'. This fixes "missing" files o !! 91 # '-target bpf'. This fixes "missing" files on some architectures/distros, 447 # such as asm/byteorder.h, asm/socket.h, asm/s 92 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 448 # 93 # 449 # Use '-idirafter': Don't interfere with inclu 94 # Use '-idirafter': Don't interfere with include mechanics except where the 450 # build would have failed anyways. 95 # build would have failed anyways. 451 define get_sys_includes !! 96 CLANG_SYS_INCLUDES := $(shell $(CLANG) -v -E - </dev/null 2>&1 \ 452 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \ !! 97 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') 453 | sed -n '/<...> search starts here:/, << 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 << 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 << 475 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) << 476 << 477 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += << 478 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += - << 479 << 480 $(OUTPUT)/flow_dissector_load.o: flow_dissecto << 481 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup << 482 << 483 # Build BPF object using Clang << 484 # $1 - input .c file << 485 # $2 - output .o file << 486 # $3 - CFLAGS << 487 # $4 - binary name << 488 define CLANG_BPF_BUILD_RULE << 489 $(call msg,CLNG-BPF,$4,$2) << 490 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 << 491 endef << 492 # Similar to CLANG_BPF_BUILD_RULE, but with di << 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 98 589 # ensure we set up BPF objects generation rule !! 99 CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \ 590 # input/output directory combination !! 100 $(CLANG_SYS_INCLUDES) \ 591 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-b !! 101 -Wno-compare-distinct-pointer-types 592 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs : !! 102 593 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o !! 103 $(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline 594 $(TRUNNER_BPF_PROGS_DIR)/ !! 104 $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline 595 $(TRUNNER_BPF_PROGS_DIR)/ !! 105 596 $$(INCLUDE_DIR)/vmlinux.h !! 106 BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris) 597 $(HEADERS_FOR_BPF_OBJS) !! 107 BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF) 598 | $(TRUNNER_OUTPUT) $$(BP !! 108 BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm') 599 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<, !! 109 600 $(TR !! 110 ifneq ($(BTF_LLC_PROBE),) 601 $$($ !! 111 ifneq ($(BTF_PAHOLE_PROBE),) 602 $$($ !! 112 ifneq ($(BTF_OBJCOPY_PROBE),) 603 !! 113 CLANG_FLAGS += -g 604 $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFT !! 114 LLC_FLAGS += -mattr=dwarfris 605 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) !! 115 DWARF2BTF = y 606 $(Q)$$(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 ) > $$@) << 656 endif 116 endif 657 << 658 # compile individual test files << 659 # Note: we cd into output directory to ensure << 660 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test << 661 $(TRUNNER_TESTS_DIR)/%.c << 662 | $(TRUNNER_OUTPUT)/%.te << 663 $$(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 117 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 118 endif 697 119 698 $(OUTPUT)/$(TRUNNER_BINARY): LDLIBS += $$(LLVM !! 120 $(OUTPUT)/%.o: %.c 699 $(OUTPUT)/$(TRUNNER_BINARY): LDFLAGS += $$(LLV !! 121 $(CLANG) $(CLANG_FLAGS) \ 700 !! 122 -O2 -target bpf -emit-llvm -c $< -o - | \ 701 # some X.test.o files have runtime dependencie !! 123 $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@ 702 $(OUTPUT)/$(TRUNNER_BINARY): | $(TRUNNER_BPF_O !! 124 ifeq ($(DWARF2BTF),y) 703 !! 125 $(BTF_PAHOLE) -J $@ 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 126 endif 771 127 772 # Define test_maps test runner. !! 128 EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) 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/; \ << 787 echo '/* Generated header, d << 788 echo '#ifdef FILL_ARRAY'; \ << 789 ls *.c 2> /dev/null | sed -e << 790 echo '#endif' \ << 791 ) > verifier/tests.h) << 792 $(OUTPUT)/test_verifier: test_verifier.c verif << 793 $(call msg,BINARY,,$@) << 794 $(Q)$(CC) $(CFLAGS) $(filter %.a %.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 << 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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