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$(APIDIR) \ 29 -Dbpf_prog_load=bpf_prog_test_load \ 30 -Dbpf_load_program=bpf_test_load_program 31LDLIBS += -lcap -lelf -lz -lrt -lpthread 32 33# Order correspond to 'make run_tests' order 34TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 35 test_verifier_log test_dev_cgroup \ 36 test_sock test_sockmap get_cgroup_id_user test_socket_cookie \ 37 test_cgroup_storage \ 38 test_netcnt test_tcpnotify_user test_sysctl \ 39 test_progs-no_alu32 \ 40 test_current_pid_tgid_new_ns 41 42# Also test bpf-gcc, if present 43ifneq ($(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 bpf_testmod.ko 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 := $(BUILD_DIR)/resolve_btfids/resolve_btfids 117 118# Define simple and short `make test_progs`, `make test_sysctl`, etc targets 119# to build individual tests. 120# NOTE: Semicolon at the end is critical to override lib.mk's default static 121# rule for binaries. 122$(notdir $(TEST_GEN_PROGS) \ 123 $(TEST_PROGS) \ 124 $(TEST_PROGS_EXTENDED) \ 125 $(TEST_GEN_PROGS_EXTENDED) \ 126 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ; 127 128$(OUTPUT)/%.o: %.c 129 $(call msg,CC,,$@) 130 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 131 132$(OUTPUT)/%:%.c 133 $(call msg,BINARY,,$@) 134 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 135 136$(OUTPUT)/urandom_read: urandom_read.c 137 $(call msg,BINARY,,$@) 138 $(Q)$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id=sha1 139 140$(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch]) 141 $(call msg,MOD,,$@) 142 $(Q)$(MAKE) $(submake_extras) -C bpf_testmod 143 $(Q)cp bpf_testmod/bpf_testmod.ko $@ 144 145$(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ) 146 $(call msg,CC,,$@) 147 $(Q)$(CC) -c $(CFLAGS) -o $@ $< 148 149VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 150 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 151 ../../../../vmlinux \ 152 /sys/kernel/btf/vmlinux \ 153 /boot/vmlinux-$(shell uname -r) 154VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 155 156DEFAULT_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool 157 158$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) 159 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \ 160 OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \ 161 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \ 162 cp $(SCRATCH_DIR)/runqslower $@ 163 164$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ) 165 166$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c 167$(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c 168$(OUTPUT)/test_sock: cgroup_helpers.c 169$(OUTPUT)/test_sock_addr: cgroup_helpers.c 170$(OUTPUT)/test_socket_cookie: cgroup_helpers.c 171$(OUTPUT)/test_sockmap: cgroup_helpers.c 172$(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c 173$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c 174$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c 175$(OUTPUT)/test_netcnt: cgroup_helpers.c 176$(OUTPUT)/test_sock_fields: cgroup_helpers.c 177$(OUTPUT)/test_sysctl: cgroup_helpers.c 178 179BPFTOOL ?= $(DEFAULT_BPFTOOL) 180$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ 181 $(BPFOBJ) | $(BUILD_DIR)/bpftool 182 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ 183 OUTPUT=$(BUILD_DIR)/bpftool/ \ 184 prefix= DESTDIR=$(SCRATCH_DIR)/ install 185 $(Q)mkdir -p $(BUILD_DIR)/bpftool/Documentation 186 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \ 187 -C $(BPFTOOLDIR)/Documentation \ 188 OUTPUT=$(BUILD_DIR)/bpftool/Documentation/ \ 189 prefix= DESTDIR=$(SCRATCH_DIR)/ install 190 191$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 192 ../../../include/uapi/linux/bpf.h \ 193 | $(INCLUDE_DIR) $(BUILD_DIR)/libbpf 194 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ 195 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers 196 197$(BUILD_DIR)/libbpf $(BUILD_DIR)/bpftool $(BUILD_DIR)/resolve_btfids $(INCLUDE_DIR): 198 $(call msg,MKDIR,,$@) 199 $(Q)mkdir -p $@ 200 201$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) | $(BPFTOOL) $(INCLUDE_DIR) 202ifeq ($(VMLINUX_H),) 203 $(call msg,GEN,,$@) 204 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ 205else 206 $(call msg,CP,,$@) 207 $(Q)cp "$(VMLINUX_H)" $@ 208endif 209 210$(RESOLVE_BTFIDS): $(BPFOBJ) | $(BUILD_DIR)/resolve_btfids \ 211 $(TOOLSDIR)/bpf/resolve_btfids/main.c \ 212 $(TOOLSDIR)/lib/rbtree.c \ 213 $(TOOLSDIR)/lib/zalloc.c \ 214 $(TOOLSDIR)/lib/string.c \ 215 $(TOOLSDIR)/lib/ctype.c \ 216 $(TOOLSDIR)/lib/str_error_r.c 217 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ 218 OUTPUT=$(BUILD_DIR)/resolve_btfids/ BPFOBJ=$(BPFOBJ) 219 220# Get Clang's default includes on this system, as opposed to those seen by 221# '-target bpf'. This fixes "missing" files on some architectures/distros, 222# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 223# 224# Use '-idirafter': Don't interfere with include mechanics except where the 225# build would have failed anyways. 226define get_sys_includes 227$(shell $(1) -v -E - </dev/null 2>&1 \ 228 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ 229$(shell $(1) -dM -E - </dev/null | grep '#define __riscv_xlen ' | sed 's/#define /-D/' | sed 's/ /=/') 230endef 231 232# Determine target endianness. 233IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ 234 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') 235MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) 236 237CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) 238BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ 239 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ 240 -I$(abspath $(OUTPUT)/../usr/include) 241 242CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ 243 -Wno-compare-distinct-pointer-types 244 245$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline 246$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline 247 248$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h 249 250# Build BPF object using Clang 251# $1 - input .c file 252# $2 - output .o file 253# $3 - CFLAGS 254# $4 - LDFLAGS 255define CLANG_BPF_BUILD_RULE 256 $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2) 257 $(Q)($(CLANG) $3 -O2 -target bpf -emit-llvm \ 258 -c $1 -o - || echo "BPF obj compilation failed") | \ 259 $(LLC) -mattr=dwarfris -march=bpf -mcpu=v3 $4 -filetype=obj -o $2 260endef 261# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 262define CLANG_NOALU32_BPF_BUILD_RULE 263 $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2) 264 $(Q)($(CLANG) $3 -O2 -target bpf -emit-llvm \ 265 -c $1 -o - || echo "BPF obj compilation failed") | \ 266 $(LLC) -march=bpf -mcpu=v2 $4 -filetype=obj -o $2 267endef 268# Similar to CLANG_BPF_BUILD_RULE, but using native Clang and bpf LLC 269define CLANG_NATIVE_BPF_BUILD_RULE 270 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 271 $(Q)($(CLANG) $3 -O2 -emit-llvm \ 272 -c $1 -o - || echo "BPF obj compilation failed") | \ 273 $(LLC) -march=bpf -mcpu=v3 $4 -filetype=obj -o $2 274endef 275# Build BPF object using GCC 276define GCC_BPF_BUILD_RULE 277 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) 278 $(Q)$(BPF_GCC) $3 $4 -O2 -c $1 -o $2 279endef 280 281SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c 282 283# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on 284# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES. 285# Parameters: 286# $1 - test runner base binary name (e.g., test_progs) 287# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 288define DEFINE_TEST_RUNNER 289 290TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 291TRUNNER_BINARY := $1$(if $2,-)$2 292TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \ 293 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c))) 294TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \ 295 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES))) 296TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES)) 297TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h 298TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c)) 299TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS)) 300TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \ 301 $$(filter-out $(SKEL_BLACKLIST), \ 302 $$(TRUNNER_BPF_SRCS))) 303TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 304 305# Evaluate rules now with extra TRUNNER_XXX variables above already defined 306$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2)) 307 308endef 309 310# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and 311# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with: 312# $1 - test runner base binary name (e.g., test_progs) 313# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 314define DEFINE_TEST_RUNNER_RULES 315 316ifeq ($($(TRUNNER_OUTPUT)-dir),) 317$(TRUNNER_OUTPUT)-dir := y 318$(TRUNNER_OUTPUT): 319 $$(call msg,MKDIR,,$$@) 320 $(Q)mkdir -p $$@ 321endif 322 323# ensure we set up BPF objects generation rule just once for a given 324# input/output directory combination 325ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),) 326$(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y 327$(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 328 $(TRUNNER_BPF_PROGS_DIR)/%.c \ 329 $(TRUNNER_BPF_PROGS_DIR)/*.h \ 330 $$(INCLUDE_DIR)/vmlinux.h \ 331 $(wildcard $(BPFDIR)/bpf_*.h) | $(TRUNNER_OUTPUT) 332 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ 333 $(TRUNNER_BPF_CFLAGS), \ 334 $(TRUNNER_BPF_LDFLAGS)) 335 336$(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \ 337 $(TRUNNER_OUTPUT)/%.o \ 338 | $(BPFTOOL) $(TRUNNER_OUTPUT) 339 $$(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 $$@ 387 $(Q)$(RESOLVE_BTFIDS) --no-fail --btf $(TRUNNER_OUTPUT)/btf_data.o $$@ 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 btf_helpers.c flow_dissector_load.h 397TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ 398 ima_setup.sh \ 399 $(wildcard progs/btf_dump_test_case_*.c) 400TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 401TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 402TRUNNER_BPF_LDFLAGS := -mattr=+alu32 403$(eval $(call DEFINE_TEST_RUNNER,test_progs)) 404 405# Define test_progs-no_alu32 test runner. 406TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE 407TRUNNER_BPF_LDFLAGS := 408$(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32)) 409 410# Define test_progs BPF-GCC-flavored test runner. 411ifneq ($(BPF_GCC),) 412TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 413TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc) 414TRUNNER_BPF_LDFLAGS := 415$(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc)) 416endif 417 418# Define test_maps test runner. 419TRUNNER_TESTS_DIR := map_tests 420TRUNNER_BPF_PROGS_DIR := progs 421TRUNNER_EXTRA_SOURCES := test_maps.c 422TRUNNER_EXTRA_FILES := 423TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built) 424TRUNNER_BPF_CFLAGS := 425TRUNNER_BPF_LDFLAGS := 426$(eval $(call DEFINE_TEST_RUNNER,test_maps)) 427 428# Define test_verifier test runner. 429# It is much simpler than test_maps/test_progs and sufficiently different from 430# them (e.g., test.h is using completely pattern), that it's worth just 431# explicitly defining all the rules explicitly. 432verifier/tests.h: verifier/*.c 433 $(shell ( cd verifier/; \ 434 echo '/* Generated header, do not edit */'; \ 435 echo '#ifdef FILL_ARRAY'; \ 436 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \ 437 echo '#endif' \ 438 ) > verifier/tests.h) 439$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT) 440 $(call msg,BINARY,,$@) 441 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 442 443# Make sure we are able to include and link libbpf against c++. 444$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ) 445 $(call msg,CXX,,$@) 446 $(Q)$(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@ 447 448# Benchmark runner 449$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h 450 $(call msg,CC,,$@) 451 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 452$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h 453$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h 454$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \ 455 $(OUTPUT)/perfbuf_bench.skel.h 456$(OUTPUT)/bench.o: bench.h testing_helpers.h 457$(OUTPUT)/bench: LDLIBS += -lm 458$(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \ 459 $(OUTPUT)/bench_count.o \ 460 $(OUTPUT)/bench_rename.o \ 461 $(OUTPUT)/bench_trigger.o \ 462 $(OUTPUT)/bench_ringbufs.o 463 $(call msg,BINARY,,$@) 464 $(Q)$(CC) $(LDFLAGS) -o $@ $(filter %.a %.o,$^) $(LDLIBS) 465 466EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) \ 467 prog_tests/tests.h map_tests/tests.h verifier/tests.h \ 468 feature \ 469 $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc bpf_testmod.ko) 470