1# SPDX-License-Identifier: GPL-2.0 2include ../../../../scripts/Kbuild.include 3include ../../../scripts/Makefile.arch 4 5CXX ?= $(CROSS_COMPILE)g++ 6 7CURDIR := $(abspath .) 8TOOLSDIR := $(abspath ../../..) 9LIBDIR := $(TOOLSDIR)/lib 10BPFDIR := $(LIBDIR)/bpf 11TOOLSINCDIR := $(TOOLSDIR)/include 12BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool 13APIDIR := $(TOOLSINCDIR)/uapi 14GENDIR := $(abspath ../../../../include/generated) 15GENHDR := $(GENDIR)/autoconf.h 16 17ifneq ($(wildcard $(GENHDR)),) 18 GENFLAGS := -DHAVE_GENHDR 19endif 20 21CLANG ?= clang 22LLVM_OBJCOPY ?= llvm-objcopy 23BPF_GCC ?= $(shell command -v bpf-gcc;) 24SAN_CFLAGS ?= 25CFLAGS += -g -rdynamic -Wall -O2 $(GENFLAGS) $(SAN_CFLAGS) \ 26 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \ 27 -I$(TOOLSINCDIR) -I$(APIDIR) \ 28 -Dbpf_prog_load=bpf_prog_test_load \ 29 -Dbpf_load_program=bpf_test_load_program 30LDLIBS += -lcap -lelf -lz -lrt -lpthread 31 32# Order correspond to 'make run_tests' order 33TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 34 test_verifier_log test_dev_cgroup \ 35 test_sock test_sockmap get_cgroup_id_user test_socket_cookie \ 36 test_cgroup_storage \ 37 test_netcnt test_tcpnotify_user test_sysctl \ 38 test_progs-no_alu32 \ 39 test_current_pid_tgid_new_ns 40 41# Also test bpf-gcc, if present 42ifneq ($(BPF_GCC),) 43TEST_GEN_PROGS += test_progs-bpf_gcc 44endif 45 46TEST_GEN_FILES = 47TEST_FILES = test_lwt_ip_encap.o \ 48 test_tc_edt.o \ 49 xsk_prereqs.sh 50 51# Order correspond to 'make run_tests' order 52TEST_PROGS := test_kmod.sh \ 53 test_xdp_redirect.sh \ 54 test_xdp_meta.sh \ 55 test_xdp_veth.sh \ 56 test_offload.py \ 57 test_sock_addr.sh \ 58 test_tunnel.sh \ 59 test_lwt_seg6local.sh \ 60 test_lirc_mode2.sh \ 61 test_skb_cgroup_id.sh \ 62 test_flow_dissector.sh \ 63 test_xdp_vlan_mode_generic.sh \ 64 test_xdp_vlan_mode_native.sh \ 65 test_lwt_ip_encap.sh \ 66 test_tcp_check_syncookie.sh \ 67 test_tc_tunnel.sh \ 68 test_tc_edt.sh \ 69 test_xdping.sh \ 70 test_bpftool_build.sh \ 71 test_bpftool.sh \ 72 test_bpftool_metadata.sh \ 73 test_xsk.sh 74 75TEST_PROGS_EXTENDED := with_addr.sh \ 76 with_tunnels.sh \ 77 test_xdp_vlan.sh 78 79# Compile but not part of 'make run_tests' 80TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \ 81 flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \ 82 test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \ 83 xdpxceiver 84 85TEST_CUSTOM_PROGS = urandom_read 86 87# Emit succinct information message describing current building step 88# $1 - generic step name (e.g., CC, LINK, etc); 89# $2 - optional "flavor" specifier; if provided, will be emitted as [flavor]; 90# $3 - target (assumed to be file); only file name will be emitted; 91# $4 - optional extra arg, emitted as-is, if provided. 92ifeq ($(V),1) 93Q = 94msg = 95else 96Q = @ 97msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))"; 98MAKEFLAGS += --no-print-directory 99submake_extras := feature_display=0 100endif 101 102# override lib.mk's default rules 103OVERRIDE_TARGETS := 1 104override define CLEAN 105 $(call msg,CLEAN) 106 $(Q)$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) 107 $(Q)$(MAKE) -C bpf_testmod clean 108endef 109 110include ../lib.mk 111 112SCRATCH_DIR := $(OUTPUT)/tools 113BUILD_DIR := $(SCRATCH_DIR)/build 114INCLUDE_DIR := $(SCRATCH_DIR)/include 115BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 116RESOLVE_BTFIDS := $(BUILD_DIR)/resolve_btfids/resolve_btfids 117 118VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 119 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 120 ../../../../vmlinux \ 121 /sys/kernel/btf/vmlinux \ 122 /boot/vmlinux-$(shell uname -r) 123VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 124ifeq ($(VMLINUX_BTF),) 125$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") 126endif 127 128# Define simple and short `make test_progs`, `make test_sysctl`, etc targets 129# to build individual tests. 130# NOTE: Semicolon at the end is critical to override lib.mk's default static 131# rule for binaries. 132$(notdir $(TEST_GEN_PROGS) \ 133 $(TEST_PROGS) \ 134 $(TEST_PROGS_EXTENDED) \ 135 $(TEST_GEN_PROGS_EXTENDED) \ 136 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ; 137 138$(OUTPUT)/%.o: %.c 139 $(call msg,CC,,$@) 140 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 141 142$(OUTPUT)/%:%.c 143 $(call msg,BINARY,,$@) 144 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 145 146$(OUTPUT)/urandom_read: urandom_read.c 147 $(call msg,BINARY,,$@) 148 $(Q)$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id=sha1 149 150$(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch]) 151 $(call msg,MOD,,$@) 152 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation 153 $(Q)$(MAKE) $(submake_extras) -C bpf_testmod 154 $(Q)cp bpf_testmod/bpf_testmod.ko $@ 155 156$(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ) 157 $(call msg,CC,,$@) 158 $(Q)$(CC) -c $(CFLAGS) -o $@ $< 159 160DEFAULT_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool 161 162$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) 163 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \ 164 OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \ 165 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \ 166 cp $(SCRATCH_DIR)/runqslower $@ 167 168$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ) 169 170$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c 171$(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c 172$(OUTPUT)/test_sock: cgroup_helpers.c 173$(OUTPUT)/test_sock_addr: cgroup_helpers.c 174$(OUTPUT)/test_socket_cookie: cgroup_helpers.c 175$(OUTPUT)/test_sockmap: cgroup_helpers.c 176$(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c 177$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c 178$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c 179$(OUTPUT)/test_netcnt: cgroup_helpers.c 180$(OUTPUT)/test_sock_fields: cgroup_helpers.c 181$(OUTPUT)/test_sysctl: cgroup_helpers.c 182 183BPFTOOL ?= $(DEFAULT_BPFTOOL) 184$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ 185 $(BPFOBJ) | $(BUILD_DIR)/bpftool 186 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ 187 OUTPUT=$(BUILD_DIR)/bpftool/ \ 188 prefix= DESTDIR=$(SCRATCH_DIR)/ install 189 $(Q)mkdir -p $(BUILD_DIR)/bpftool/Documentation 190 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \ 191 -C $(BPFTOOLDIR)/Documentation \ 192 OUTPUT=$(BUILD_DIR)/bpftool/Documentation/ \ 193 prefix= DESTDIR=$(SCRATCH_DIR)/ install 194 195$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 196 ../../../include/uapi/linux/bpf.h \ 197 | $(INCLUDE_DIR) $(BUILD_DIR)/libbpf 198 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ 199 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers 200 201$(BUILD_DIR)/libbpf $(BUILD_DIR)/bpftool $(BUILD_DIR)/resolve_btfids $(INCLUDE_DIR): 202 $(call msg,MKDIR,,$@) 203 $(Q)mkdir -p $@ 204 205$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) | $(BPFTOOL) $(INCLUDE_DIR) 206ifeq ($(VMLINUX_H),) 207 $(call msg,GEN,,$@) 208 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ 209else 210 $(call msg,CP,,$@) 211 $(Q)cp "$(VMLINUX_H)" $@ 212endif 213 214$(RESOLVE_BTFIDS): $(BPFOBJ) | $(BUILD_DIR)/resolve_btfids \ 215 $(TOOLSDIR)/bpf/resolve_btfids/main.c \ 216 $(TOOLSDIR)/lib/rbtree.c \ 217 $(TOOLSDIR)/lib/zalloc.c \ 218 $(TOOLSDIR)/lib/string.c \ 219 $(TOOLSDIR)/lib/ctype.c \ 220 $(TOOLSDIR)/lib/str_error_r.c 221 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ 222 OUTPUT=$(BUILD_DIR)/resolve_btfids/ BPFOBJ=$(BPFOBJ) 223 224# Get Clang's default includes on this system, as opposed to those seen by 225# '-target bpf'. This fixes "missing" files on some architectures/distros, 226# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 227# 228# Use '-idirafter': Don't interfere with include mechanics except where the 229# build would have failed anyways. 230define get_sys_includes 231$(shell $(1) -v -E - </dev/null 2>&1 \ 232 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ 233$(shell $(1) -dM -E - </dev/null | grep '#define __riscv_xlen ' | sed 's/#define /-D/' | sed 's/ /=/') 234endef 235 236# Determine target endianness. 237IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ 238 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') 239MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) 240 241CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) 242BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ 243 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ 244 -I$(abspath $(OUTPUT)/../usr/include) 245 246CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ 247 -Wno-compare-distinct-pointer-types 248 249$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline 250$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline 251 252$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h 253 254# Build BPF object using Clang 255# $1 - input .c file 256# $2 - output .o file 257# $3 - CFLAGS 258define CLANG_BPF_BUILD_RULE 259 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 260 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v3 261endef 262# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 263define CLANG_NOALU32_BPF_BUILD_RULE 264 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 265 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v2 266endef 267# Build BPF object using GCC 268define GCC_BPF_BUILD_RULE 269 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) 270 $(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2 271endef 272 273SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c 274 275# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on 276# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES. 277# Parameters: 278# $1 - test runner base binary name (e.g., test_progs) 279# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 280define DEFINE_TEST_RUNNER 281 282TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 283TRUNNER_BINARY := $1$(if $2,-)$2 284TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \ 285 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c))) 286TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \ 287 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES))) 288TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES)) 289TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h 290TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c)) 291TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS)) 292TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \ 293 $$(filter-out $(SKEL_BLACKLIST), \ 294 $$(TRUNNER_BPF_SRCS))) 295TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 296 297# Evaluate rules now with extra TRUNNER_XXX variables above already defined 298$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2)) 299 300endef 301 302# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and 303# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with: 304# $1 - test runner base binary name (e.g., test_progs) 305# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 306define DEFINE_TEST_RUNNER_RULES 307 308ifeq ($($(TRUNNER_OUTPUT)-dir),) 309$(TRUNNER_OUTPUT)-dir := y 310$(TRUNNER_OUTPUT): 311 $$(call msg,MKDIR,,$$@) 312 $(Q)mkdir -p $$@ 313endif 314 315# ensure we set up BPF objects generation rule just once for a given 316# input/output directory combination 317ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),) 318$(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y 319$(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 320 $(TRUNNER_BPF_PROGS_DIR)/%.c \ 321 $(TRUNNER_BPF_PROGS_DIR)/*.h \ 322 $$(INCLUDE_DIR)/vmlinux.h \ 323 $(wildcard $(BPFDIR)/bpf_*.h) | $(TRUNNER_OUTPUT) 324 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ 325 $(TRUNNER_BPF_CFLAGS)) 326 327$(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \ 328 $(TRUNNER_OUTPUT)/%.o \ 329 | $(BPFTOOL) $(TRUNNER_OUTPUT) 330 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) 331 $(Q)$$(BPFTOOL) gen skeleton $$< > $$@ 332endif 333 334# ensure we set up tests.h header generation rule just once 335ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) 336$(TRUNNER_TESTS_DIR)-tests-hdr := y 337$(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c 338 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@) 339 $$(shell ( cd $(TRUNNER_TESTS_DIR); \ 340 echo '/* Generated header, do not edit */'; \ 341 ls *.c 2> /dev/null | \ 342 sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@'; \ 343 ) > $$@) 344endif 345 346# compile individual test files 347# Note: we cd into output directory to ensure embedded BPF object is found 348$(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ 349 $(TRUNNER_TESTS_DIR)/%.c \ 350 $(TRUNNER_EXTRA_HDRS) \ 351 $(TRUNNER_BPF_OBJS) \ 352 $(TRUNNER_BPF_SKELS) \ 353 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 354 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) 355 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) 356 357$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 358 %.c \ 359 $(TRUNNER_EXTRA_HDRS) \ 360 $(TRUNNER_TESTS_HDR) \ 361 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 362 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@) 363 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@ 364 365# only copy extra resources if in flavored build 366$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT) 367ifneq ($2,) 368 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES)) 369 $(Q)cp -a $$^ $(TRUNNER_OUTPUT)/ 370endif 371 372$(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \ 373 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \ 374 $(RESOLVE_BTFIDS) \ 375 | $(TRUNNER_BINARY)-extras 376 $$(call msg,BINARY,,$$@) 377 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@ 378 $(Q)$(RESOLVE_BTFIDS) --no-fail --btf $(TRUNNER_OUTPUT)/btf_data.o $$@ 379 380endef 381 382# Define test_progs test runner. 383TRUNNER_TESTS_DIR := prog_tests 384TRUNNER_BPF_PROGS_DIR := progs 385TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \ 386 network_helpers.c testing_helpers.c \ 387 btf_helpers.c flow_dissector_load.h 388TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ 389 ima_setup.sh \ 390 $(wildcard progs/btf_dump_test_case_*.c) 391TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 392TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 393$(eval $(call DEFINE_TEST_RUNNER,test_progs)) 394 395# Define test_progs-no_alu32 test runner. 396TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE 397$(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32)) 398 399# Define test_progs BPF-GCC-flavored test runner. 400ifneq ($(BPF_GCC),) 401TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 402TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc) 403$(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc)) 404endif 405 406# Define test_maps test runner. 407TRUNNER_TESTS_DIR := map_tests 408TRUNNER_BPF_PROGS_DIR := progs 409TRUNNER_EXTRA_SOURCES := test_maps.c 410TRUNNER_EXTRA_FILES := 411TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built) 412TRUNNER_BPF_CFLAGS := 413$(eval $(call DEFINE_TEST_RUNNER,test_maps)) 414 415# Define test_verifier test runner. 416# It is much simpler than test_maps/test_progs and sufficiently different from 417# them (e.g., test.h is using completely pattern), that it's worth just 418# explicitly defining all the rules explicitly. 419verifier/tests.h: verifier/*.c 420 $(shell ( cd verifier/; \ 421 echo '/* Generated header, do not edit */'; \ 422 echo '#ifdef FILL_ARRAY'; \ 423 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \ 424 echo '#endif' \ 425 ) > verifier/tests.h) 426$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT) 427 $(call msg,BINARY,,$@) 428 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 429 430# Make sure we are able to include and link libbpf against c++. 431$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ) 432 $(call msg,CXX,,$@) 433 $(Q)$(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@ 434 435# Benchmark runner 436$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h 437 $(call msg,CC,,$@) 438 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 439$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h 440$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h 441$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \ 442 $(OUTPUT)/perfbuf_bench.skel.h 443$(OUTPUT)/bench.o: bench.h testing_helpers.h 444$(OUTPUT)/bench: LDLIBS += -lm 445$(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \ 446 $(OUTPUT)/bench_count.o \ 447 $(OUTPUT)/bench_rename.o \ 448 $(OUTPUT)/bench_trigger.o \ 449 $(OUTPUT)/bench_ringbufs.o 450 $(call msg,BINARY,,$@) 451 $(Q)$(CC) $(LDFLAGS) -o $@ $(filter %.a %.o,$^) $(LDLIBS) 452 453EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) \ 454 prog_tests/tests.h map_tests/tests.h verifier/tests.h \ 455 feature \ 456 $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc bpf_testmod.ko) 457