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 22LLC ?= llc 23LLVM_OBJCOPY ?= llvm-objcopy 24BPF_GCC ?= $(shell command -v bpf-gcc;) 25SAN_CFLAGS ?= 26CFLAGS += -g -rdynamic -Wall -O2 $(GENFLAGS) $(SAN_CFLAGS) \ 27 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \ 28 -I$(TOOLSINCDIR) -I$(APIDIR) \ 29 -Dbpf_prog_load=bpf_prog_test_load \ 30 -Dbpf_load_program=bpf_test_load_program 31LDLIBS += -lcap -lelf -lz -lrt -lpthread 32 33# Order correspond to 'make run_tests' order 34TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 35 test_verifier_log test_dev_cgroup test_tcpbpf_user \ 36 test_sock test_sockmap get_cgroup_id_user test_socket_cookie \ 37 test_cgroup_storage \ 38 test_netcnt test_tcpnotify_user test_sysctl \ 39 test_progs-no_alu32 \ 40 test_current_pid_tgid_new_ns 41 42# Also test bpf-gcc, if present 43ifneq ($(BPF_GCC),) 44TEST_GEN_PROGS += test_progs-bpf_gcc 45endif 46 47TEST_GEN_FILES = 48TEST_FILES = test_lwt_ip_encap.o \ 49 test_tc_edt.o 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 74TEST_PROGS_EXTENDED := with_addr.sh \ 75 with_tunnels.sh \ 76 tcp_client.py \ 77 tcp_server.py \ 78 test_xdp_vlan.sh 79 80# Compile but not part of 'make run_tests' 81TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \ 82 flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \ 83 test_lirc_mode2_user xdping test_cpp runqslower bench 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) 107endef 108 109include ../lib.mk 110 111SCRATCH_DIR := $(OUTPUT)/tools 112BUILD_DIR := $(SCRATCH_DIR)/build 113INCLUDE_DIR := $(SCRATCH_DIR)/include 114BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 115RESOLVE_BTFIDS := $(BUILD_DIR)/resolve_btfids/resolve_btfids 116 117# Define simple and short `make test_progs`, `make test_sysctl`, etc targets 118# to build individual tests. 119# NOTE: Semicolon at the end is critical to override lib.mk's default static 120# rule for binaries. 121$(notdir $(TEST_GEN_PROGS) \ 122 $(TEST_PROGS) \ 123 $(TEST_PROGS_EXTENDED) \ 124 $(TEST_GEN_PROGS_EXTENDED) \ 125 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ; 126 127$(OUTPUT)/%.o: %.c 128 $(call msg,CC,,$@) 129 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 130 131$(OUTPUT)/%:%.c 132 $(call msg,BINARY,,$@) 133 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 134 135$(OUTPUT)/urandom_read: urandom_read.c 136 $(call msg,BINARY,,$@) 137 $(Q)$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id=sha1 138 139$(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ) 140 $(call msg,CC,,$@) 141 $(Q)$(CC) -c $(CFLAGS) -o $@ $< 142 143VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 144 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 145 ../../../../vmlinux \ 146 /sys/kernel/btf/vmlinux \ 147 /boot/vmlinux-$(shell uname -r) 148VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 149ifeq ($(VMLINUX_BTF),) 150$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") 151endif 152 153DEFAULT_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool 154 155$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) 156 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \ 157 OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \ 158 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \ 159 cp $(SCRATCH_DIR)/runqslower $@ 160 161$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ) 162 163$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c 164$(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c 165$(OUTPUT)/test_sock: cgroup_helpers.c 166$(OUTPUT)/test_sock_addr: cgroup_helpers.c 167$(OUTPUT)/test_socket_cookie: cgroup_helpers.c 168$(OUTPUT)/test_sockmap: cgroup_helpers.c 169$(OUTPUT)/test_tcpbpf_user: cgroup_helpers.c 170$(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c 171$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c 172$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c 173$(OUTPUT)/test_netcnt: cgroup_helpers.c 174$(OUTPUT)/test_sock_fields: cgroup_helpers.c 175$(OUTPUT)/test_sysctl: cgroup_helpers.c 176 177BPFTOOL ?= $(DEFAULT_BPFTOOL) 178$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ 179 $(BPFOBJ) | $(BUILD_DIR)/bpftool 180 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ 181 OUTPUT=$(BUILD_DIR)/bpftool/ \ 182 prefix= DESTDIR=$(SCRATCH_DIR)/ install 183 $(Q)mkdir -p $(BUILD_DIR)/bpftool/Documentation 184 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \ 185 -C $(BPFTOOLDIR)/Documentation \ 186 OUTPUT=$(BUILD_DIR)/bpftool/Documentation/ \ 187 prefix= DESTDIR=$(SCRATCH_DIR)/ install 188 189$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 190 ../../../include/uapi/linux/bpf.h \ 191 | $(INCLUDE_DIR) $(BUILD_DIR)/libbpf 192 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ 193 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers 194 195$(BUILD_DIR)/libbpf $(BUILD_DIR)/bpftool $(BUILD_DIR)/resolve_btfids $(INCLUDE_DIR): 196 $(call msg,MKDIR,,$@) 197 $(Q)mkdir -p $@ 198 199$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR) 200ifeq ($(VMLINUX_H),) 201 $(call msg,GEN,,$@) 202 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ 203else 204 $(call msg,CP,,$@) 205 $(Q)cp "$(VMLINUX_H)" $@ 206endif 207 208$(RESOLVE_BTFIDS): $(BPFOBJ) | $(BUILD_DIR)/resolve_btfids \ 209 $(TOOLSDIR)/bpf/resolve_btfids/main.c \ 210 $(TOOLSDIR)/lib/rbtree.c \ 211 $(TOOLSDIR)/lib/zalloc.c \ 212 $(TOOLSDIR)/lib/string.c \ 213 $(TOOLSDIR)/lib/ctype.c \ 214 $(TOOLSDIR)/lib/str_error_r.c 215 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ 216 OUTPUT=$(BUILD_DIR)/resolve_btfids/ BPFOBJ=$(BPFOBJ) 217 218# Get Clang's default includes on this system, as opposed to those seen by 219# '-target bpf'. This fixes "missing" files on some architectures/distros, 220# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 221# 222# Use '-idirafter': Don't interfere with include mechanics except where the 223# build would have failed anyways. 224define get_sys_includes 225$(shell $(1) -v -E - </dev/null 2>&1 \ 226 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ 227$(shell $(1) -dM -E - </dev/null | grep '#define __riscv_xlen ' | sed 's/#define /-D/' | sed 's/ /=/') 228endef 229 230# Determine target endianness. 231IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ 232 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') 233MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) 234 235CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) 236BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ 237 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ 238 -I$(abspath $(OUTPUT)/../usr/include) 239 240CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ 241 -Wno-compare-distinct-pointer-types 242 243$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline 244$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline 245 246$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h 247 248# Build BPF object using Clang 249# $1 - input .c file 250# $2 - output .o file 251# $3 - CFLAGS 252# $4 - LDFLAGS 253define CLANG_BPF_BUILD_RULE 254 $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2) 255 $(Q)($(CLANG) $3 -O2 -target bpf -emit-llvm \ 256 -c $1 -o - || echo "BPF obj compilation failed") | \ 257 $(LLC) -mattr=dwarfris -march=bpf -mcpu=v3 $4 -filetype=obj -o $2 258endef 259# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 260define CLANG_NOALU32_BPF_BUILD_RULE 261 $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2) 262 $(Q)($(CLANG) $3 -O2 -target bpf -emit-llvm \ 263 -c $1 -o - || echo "BPF obj compilation failed") | \ 264 $(LLC) -march=bpf -mcpu=v2 $4 -filetype=obj -o $2 265endef 266# Similar to CLANG_BPF_BUILD_RULE, but using native Clang and bpf LLC 267define CLANG_NATIVE_BPF_BUILD_RULE 268 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 269 $(Q)($(CLANG) $3 -O2 -emit-llvm \ 270 -c $1 -o - || echo "BPF obj compilation failed") | \ 271 $(LLC) -march=bpf -mcpu=v3 $4 -filetype=obj -o $2 272endef 273# Build BPF object using GCC 274define GCC_BPF_BUILD_RULE 275 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) 276 $(Q)$(BPF_GCC) $3 $4 -O2 -c $1 -o $2 277endef 278 279SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c 280 281# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on 282# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES. 283# Parameters: 284# $1 - test runner base binary name (e.g., test_progs) 285# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 286define DEFINE_TEST_RUNNER 287 288TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 289TRUNNER_BINARY := $1$(if $2,-)$2 290TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \ 291 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c))) 292TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \ 293 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES))) 294TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES)) 295TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h 296TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c)) 297TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS)) 298TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \ 299 $$(filter-out $(SKEL_BLACKLIST), \ 300 $$(TRUNNER_BPF_SRCS))) 301TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 302 303# Evaluate rules now with extra TRUNNER_XXX variables above already defined 304$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2)) 305 306endef 307 308# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and 309# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with: 310# $1 - test runner base binary name (e.g., test_progs) 311# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 312define DEFINE_TEST_RUNNER_RULES 313 314ifeq ($($(TRUNNER_OUTPUT)-dir),) 315$(TRUNNER_OUTPUT)-dir := y 316$(TRUNNER_OUTPUT): 317 $$(call msg,MKDIR,,$$@) 318 $(Q)mkdir -p $$@ 319endif 320 321# ensure we set up BPF objects generation rule just once for a given 322# input/output directory combination 323ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),) 324$(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y 325$(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 326 $(TRUNNER_BPF_PROGS_DIR)/%.c \ 327 $(TRUNNER_BPF_PROGS_DIR)/*.h \ 328 $$(INCLUDE_DIR)/vmlinux.h \ 329 $(wildcard $(BPFDIR)/bpf_*.h) \ 330 | $(TRUNNER_OUTPUT) $$(BPFOBJ) 331 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ 332 $(TRUNNER_BPF_CFLAGS), \ 333 $(TRUNNER_BPF_LDFLAGS)) 334 335$(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \ 336 $(TRUNNER_OUTPUT)/%.o \ 337 $(BPFTOOL) \ 338 | $(TRUNNER_OUTPUT) 339 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) 340 $(Q)$$(BPFTOOL) gen skeleton $$< > $$@ 341endif 342 343# ensure we set up tests.h header generation rule just once 344ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) 345$(TRUNNER_TESTS_DIR)-tests-hdr := y 346$(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c 347 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@) 348 $$(shell ( cd $(TRUNNER_TESTS_DIR); \ 349 echo '/* Generated header, do not edit */'; \ 350 ls *.c 2> /dev/null | \ 351 sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@'; \ 352 ) > $$@) 353endif 354 355# compile individual test files 356# Note: we cd into output directory to ensure embedded BPF object is found 357$(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ 358 $(TRUNNER_TESTS_DIR)/%.c \ 359 $(TRUNNER_EXTRA_HDRS) \ 360 $(TRUNNER_BPF_OBJS) \ 361 $(TRUNNER_BPF_SKELS) \ 362 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 363 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) 364 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) 365 366$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 367 %.c \ 368 $(TRUNNER_EXTRA_HDRS) \ 369 $(TRUNNER_TESTS_HDR) \ 370 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 371 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@) 372 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@ 373 374# only copy extra resources if in flavored build 375$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT) 376ifneq ($2,) 377 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES)) 378 $(Q)cp -a $$^ $(TRUNNER_OUTPUT)/ 379endif 380 381$(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \ 382 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \ 383 $(RESOLVE_BTFIDS) \ 384 | $(TRUNNER_BINARY)-extras 385 $$(call msg,BINARY,,$$@) 386 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@ 387 $(Q)$(RESOLVE_BTFIDS) --no-fail --btf btf_data.o $$@ 388 389endef 390 391# Define test_progs test runner. 392TRUNNER_TESTS_DIR := prog_tests 393TRUNNER_BPF_PROGS_DIR := progs 394TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \ 395 network_helpers.c testing_helpers.c \ 396 flow_dissector_load.h 397TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read \ 398 $(wildcard progs/btf_dump_test_case_*.c) 399TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 400TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 401TRUNNER_BPF_LDFLAGS := -mattr=+alu32 402$(eval $(call DEFINE_TEST_RUNNER,test_progs)) 403 404# Define test_progs-no_alu32 test runner. 405TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE 406TRUNNER_BPF_LDFLAGS := 407$(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32)) 408 409# Define test_progs BPF-GCC-flavored test runner. 410ifneq ($(BPF_GCC),) 411TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 412TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc) 413TRUNNER_BPF_LDFLAGS := 414$(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc)) 415endif 416 417# Define test_maps test runner. 418TRUNNER_TESTS_DIR := map_tests 419TRUNNER_BPF_PROGS_DIR := progs 420TRUNNER_EXTRA_SOURCES := test_maps.c 421TRUNNER_EXTRA_FILES := 422TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built) 423TRUNNER_BPF_CFLAGS := 424TRUNNER_BPF_LDFLAGS := 425$(eval $(call DEFINE_TEST_RUNNER,test_maps)) 426 427# Define test_verifier test runner. 428# It is much simpler than test_maps/test_progs and sufficiently different from 429# them (e.g., test.h is using completely pattern), that it's worth just 430# explicitly defining all the rules explicitly. 431verifier/tests.h: verifier/*.c 432 $(shell ( cd verifier/; \ 433 echo '/* Generated header, do not edit */'; \ 434 echo '#ifdef FILL_ARRAY'; \ 435 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \ 436 echo '#endif' \ 437 ) > verifier/tests.h) 438$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT) 439 $(call msg,BINARY,,$@) 440 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 441 442# Make sure we are able to include and link libbpf against c++. 443$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ) 444 $(call msg,CXX,,$@) 445 $(Q)$(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@ 446 447# Benchmark runner 448$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h 449 $(call msg,CC,,$@) 450 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 451$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h 452$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h 453$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \ 454 $(OUTPUT)/perfbuf_bench.skel.h 455$(OUTPUT)/bench.o: bench.h testing_helpers.h 456$(OUTPUT)/bench: LDLIBS += -lm 457$(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \ 458 $(OUTPUT)/bench_count.o \ 459 $(OUTPUT)/bench_rename.o \ 460 $(OUTPUT)/bench_trigger.o \ 461 $(OUTPUT)/bench_ringbufs.o 462 $(call msg,BINARY,,$@) 463 $(Q)$(CC) $(LDFLAGS) -o $@ $(filter %.a %.o,$^) $(LDLIBS) 464 465EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) \ 466 prog_tests/tests.h map_tests/tests.h verifier/tests.h \ 467 feature \ 468 $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc) 469