1# SPDX-License-Identifier: GPL-2.0 2include ../../../../scripts/Kbuild.include 3include ../../../scripts/Makefile.arch 4include ../../../scripts/Makefile.include 5 6CXX ?= $(CROSS_COMPILE)g++ 7 8CURDIR := $(abspath .) 9TOOLSDIR := $(abspath ../../..) 10LIBDIR := $(TOOLSDIR)/lib 11BPFDIR := $(LIBDIR)/bpf 12TOOLSINCDIR := $(TOOLSDIR)/include 13BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool 14APIDIR := $(TOOLSINCDIR)/uapi 15GENDIR := $(abspath ../../../../include/generated) 16GENHDR := $(GENDIR)/autoconf.h 17 18ifneq ($(wildcard $(GENHDR)),) 19 GENFLAGS := -DHAVE_GENHDR 20endif 21 22BPF_GCC ?= $(shell command -v bpf-gcc;) 23SAN_CFLAGS ?= 24CFLAGS += -g -rdynamic -Wall -O2 $(GENFLAGS) $(SAN_CFLAGS) \ 25 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \ 26 -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT) \ 27 -Dbpf_prog_load=bpf_prog_test_load \ 28 -Dbpf_load_program=bpf_test_load_program 29LDLIBS += -lcap -lelf -lz -lrt -lpthread 30 31# Order correspond to 'make run_tests' order 32TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 33 test_verifier_log test_dev_cgroup \ 34 test_sock test_sockmap get_cgroup_id_user \ 35 test_cgroup_storage \ 36 test_netcnt test_tcpnotify_user test_sysctl \ 37 test_progs-no_alu32 38 39# Also test bpf-gcc, if present 40ifneq ($(BPF_GCC),) 41TEST_GEN_PROGS += test_progs-bpf_gcc 42endif 43 44TEST_GEN_FILES = test_lwt_ip_encap.o \ 45 test_tc_edt.o 46TEST_FILES = xsk_prereqs.sh \ 47 $(wildcard progs/btf_dump_test_case_*.c) 48 49# Order correspond to 'make run_tests' order 50TEST_PROGS := test_kmod.sh \ 51 test_xdp_redirect.sh \ 52 test_xdp_meta.sh \ 53 test_xdp_veth.sh \ 54 test_offload.py \ 55 test_sock_addr.sh \ 56 test_tunnel.sh \ 57 test_lwt_seg6local.sh \ 58 test_lirc_mode2.sh \ 59 test_skb_cgroup_id.sh \ 60 test_flow_dissector.sh \ 61 test_xdp_vlan_mode_generic.sh \ 62 test_xdp_vlan_mode_native.sh \ 63 test_lwt_ip_encap.sh \ 64 test_tcp_check_syncookie.sh \ 65 test_tc_tunnel.sh \ 66 test_tc_edt.sh \ 67 test_xdping.sh \ 68 test_bpftool_build.sh \ 69 test_bpftool.sh \ 70 test_bpftool_metadata.sh \ 71 test_xsk.sh 72 73TEST_PROGS_EXTENDED := with_addr.sh \ 74 with_tunnels.sh \ 75 test_xdp_vlan.sh 76 77# Compile but not part of 'make run_tests' 78TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \ 79 flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \ 80 test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \ 81 xdpxceiver 82 83TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read 84 85# Emit succinct information message describing current building step 86# $1 - generic step name (e.g., CC, LINK, etc); 87# $2 - optional "flavor" specifier; if provided, will be emitted as [flavor]; 88# $3 - target (assumed to be file); only file name will be emitted; 89# $4 - optional extra arg, emitted as-is, if provided. 90ifeq ($(V),1) 91Q = 92msg = 93else 94Q = @ 95msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))"; 96MAKEFLAGS += --no-print-directory 97submake_extras := feature_display=0 98endif 99 100# override lib.mk's default rules 101OVERRIDE_TARGETS := 1 102override define CLEAN 103 $(call msg,CLEAN) 104 $(Q)$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) 105 $(Q)$(MAKE) -C bpf_testmod clean 106endef 107 108include ../lib.mk 109 110SCRATCH_DIR := $(OUTPUT)/tools 111BUILD_DIR := $(SCRATCH_DIR)/build 112INCLUDE_DIR := $(SCRATCH_DIR)/include 113BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 114ifneq ($(CROSS_COMPILE),) 115HOST_BUILD_DIR := $(BUILD_DIR)/host 116HOST_SCRATCH_DIR := $(OUTPUT)/host-tools 117else 118HOST_BUILD_DIR := $(BUILD_DIR) 119HOST_SCRATCH_DIR := $(SCRATCH_DIR) 120endif 121HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a 122RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids 123 124VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 125 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 126 ../../../../vmlinux \ 127 /sys/kernel/btf/vmlinux \ 128 /boot/vmlinux-$(shell uname -r) 129VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 130ifeq ($(VMLINUX_BTF),) 131$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") 132endif 133 134# Define simple and short `make test_progs`, `make test_sysctl`, etc targets 135# to build individual tests. 136# NOTE: Semicolon at the end is critical to override lib.mk's default static 137# rule for binaries. 138$(notdir $(TEST_GEN_PROGS) \ 139 $(TEST_PROGS) \ 140 $(TEST_PROGS_EXTENDED) \ 141 $(TEST_GEN_PROGS_EXTENDED) \ 142 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ; 143 144# sort removes libbpf duplicates when not cross-building 145MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \ 146 $(HOST_BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/resolve_btfids \ 147 $(INCLUDE_DIR)) 148$(MAKE_DIRS): 149 $(call msg,MKDIR,,$@) 150 $(Q)mkdir -p $@ 151 152$(OUTPUT)/%.o: %.c 153 $(call msg,CC,,$@) 154 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 155 156$(OUTPUT)/%:%.c 157 $(call msg,BINARY,,$@) 158 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 159 160$(OUTPUT)/urandom_read: urandom_read.c 161 $(call msg,BINARY,,$@) 162 $(Q)$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id=sha1 163 164$(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch]) 165 $(call msg,MOD,,$@) 166 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation 167 $(Q)$(MAKE) $(submake_extras) -C bpf_testmod 168 $(Q)cp bpf_testmod/bpf_testmod.ko $@ 169 170$(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ) 171 $(call msg,CC,,$@) 172 $(Q)$(CC) -c $(CFLAGS) -o $@ $< 173 174DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool 175 176$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) 177 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \ 178 OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \ 179 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \ 180 cp $(SCRATCH_DIR)/runqslower $@ 181 182$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ) 183 184$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c 185$(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c 186$(OUTPUT)/test_sock: cgroup_helpers.c 187$(OUTPUT)/test_sock_addr: cgroup_helpers.c 188$(OUTPUT)/test_sockmap: cgroup_helpers.c 189$(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c 190$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c 191$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c 192$(OUTPUT)/test_netcnt: cgroup_helpers.c 193$(OUTPUT)/test_sock_fields: cgroup_helpers.c 194$(OUTPUT)/test_sysctl: cgroup_helpers.c 195 196BPFTOOL ?= $(DEFAULT_BPFTOOL) 197$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ 198 $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool 199 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ 200 CC=$(HOSTCC) LD=$(HOSTLD) \ 201 OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ 202 prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install 203 $(Q)mkdir -p $(BUILD_DIR)/bpftool/Documentation 204 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \ 205 -C $(BPFTOOLDIR)/Documentation \ 206 OUTPUT=$(BUILD_DIR)/bpftool/Documentation/ \ 207 prefix= DESTDIR=$(SCRATCH_DIR)/ install 208 209$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 210 ../../../include/uapi/linux/bpf.h \ 211 | $(INCLUDE_DIR) $(BUILD_DIR)/libbpf 212 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ 213 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers 214 215ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) 216$(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 217 ../../../include/uapi/linux/bpf.h \ 218 | $(INCLUDE_DIR) $(HOST_BUILD_DIR)/libbpf 219 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ 220 OUTPUT=$(HOST_BUILD_DIR)/libbpf/ CC=$(HOSTCC) LD=$(HOSTLD) \ 221 DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers 222endif 223 224$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) | $(BPFTOOL) $(INCLUDE_DIR) 225ifeq ($(VMLINUX_H),) 226 $(call msg,GEN,,$@) 227 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ 228else 229 $(call msg,CP,,$@) 230 $(Q)cp "$(VMLINUX_H)" $@ 231endif 232 233$(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \ 234 $(TOOLSDIR)/bpf/resolve_btfids/main.c \ 235 $(TOOLSDIR)/lib/rbtree.c \ 236 $(TOOLSDIR)/lib/zalloc.c \ 237 $(TOOLSDIR)/lib/string.c \ 238 $(TOOLSDIR)/lib/ctype.c \ 239 $(TOOLSDIR)/lib/str_error_r.c 240 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ 241 CC=$(HOSTCC) LD=$(HOSTLD) AR=$(HOSTAR) \ 242 OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ) 243 244# Get Clang's default includes on this system, as opposed to those seen by 245# '-target bpf'. This fixes "missing" files on some architectures/distros, 246# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 247# 248# Use '-idirafter': Don't interfere with include mechanics except where the 249# build would have failed anyways. 250define get_sys_includes 251$(shell $(1) -v -E - </dev/null 2>&1 \ 252 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ 253$(shell $(1) -dM -E - </dev/null | grep '#define __riscv_xlen ' | sed 's/#define /-D/' | sed 's/ /=/') 254endef 255 256# Determine target endianness. 257IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ 258 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') 259MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) 260 261CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) 262BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ 263 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ 264 -I$(abspath $(OUTPUT)/../usr/include) 265 266CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ 267 -Wno-compare-distinct-pointer-types 268 269$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline 270$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline 271 272$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h 273 274# Build BPF object using Clang 275# $1 - input .c file 276# $2 - output .o file 277# $3 - CFLAGS 278define CLANG_BPF_BUILD_RULE 279 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 280 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v3 281endef 282# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 283define CLANG_NOALU32_BPF_BUILD_RULE 284 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 285 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v2 286endef 287# Build BPF object using GCC 288define GCC_BPF_BUILD_RULE 289 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) 290 $(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2 291endef 292 293SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c 294 295# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on 296# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES. 297# Parameters: 298# $1 - test runner base binary name (e.g., test_progs) 299# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 300define DEFINE_TEST_RUNNER 301 302TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 303TRUNNER_BINARY := $1$(if $2,-)$2 304TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \ 305 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c))) 306TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \ 307 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES))) 308TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES)) 309TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h 310TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c)) 311TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS)) 312TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \ 313 $$(filter-out $(SKEL_BLACKLIST), \ 314 $$(TRUNNER_BPF_SRCS))) 315TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 316 317# Evaluate rules now with extra TRUNNER_XXX variables above already defined 318$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2)) 319 320endef 321 322# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and 323# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with: 324# $1 - test runner base binary name (e.g., test_progs) 325# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 326define DEFINE_TEST_RUNNER_RULES 327 328ifeq ($($(TRUNNER_OUTPUT)-dir),) 329$(TRUNNER_OUTPUT)-dir := y 330$(TRUNNER_OUTPUT): 331 $$(call msg,MKDIR,,$$@) 332 $(Q)mkdir -p $$@ 333endif 334 335# ensure we set up BPF objects generation rule just once for a given 336# input/output directory combination 337ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),) 338$(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y 339$(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 340 $(TRUNNER_BPF_PROGS_DIR)/%.c \ 341 $(TRUNNER_BPF_PROGS_DIR)/*.h \ 342 $$(INCLUDE_DIR)/vmlinux.h \ 343 $(wildcard $(BPFDIR)/bpf_*.h) | $(TRUNNER_OUTPUT) 344 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ 345 $(TRUNNER_BPF_CFLAGS)) 346 347$(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \ 348 $(TRUNNER_OUTPUT)/%.o \ 349 | $(BPFTOOL) $(TRUNNER_OUTPUT) 350 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) 351 $(Q)$$(BPFTOOL) gen skeleton $$< > $$@ 352endif 353 354# ensure we set up tests.h header generation rule just once 355ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) 356$(TRUNNER_TESTS_DIR)-tests-hdr := y 357$(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c 358 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@) 359 $$(shell ( cd $(TRUNNER_TESTS_DIR); \ 360 echo '/* Generated header, do not edit */'; \ 361 ls *.c 2> /dev/null | \ 362 sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@'; \ 363 ) > $$@) 364endif 365 366# compile individual test files 367# Note: we cd into output directory to ensure embedded BPF object is found 368$(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ 369 $(TRUNNER_TESTS_DIR)/%.c \ 370 $(TRUNNER_EXTRA_HDRS) \ 371 $(TRUNNER_BPF_OBJS) \ 372 $(TRUNNER_BPF_SKELS) \ 373 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 374 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) 375 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) 376 377$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 378 %.c \ 379 $(TRUNNER_EXTRA_HDRS) \ 380 $(TRUNNER_TESTS_HDR) \ 381 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 382 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@) 383 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@ 384 385# only copy extra resources if in flavored build 386$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT) 387ifneq ($2,) 388 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES)) 389 $(Q)cp -a $$^ $(TRUNNER_OUTPUT)/ 390endif 391 392$(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \ 393 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \ 394 $(RESOLVE_BTFIDS) \ 395 | $(TRUNNER_BINARY)-extras 396 $$(call msg,BINARY,,$$@) 397 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@ 398 $(Q)$(RESOLVE_BTFIDS) --no-fail --btf $(TRUNNER_OUTPUT)/btf_data.o $$@ 399 400endef 401 402# Define test_progs test runner. 403TRUNNER_TESTS_DIR := prog_tests 404TRUNNER_BPF_PROGS_DIR := progs 405TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \ 406 network_helpers.c testing_helpers.c \ 407 btf_helpers.c flow_dissector_load.h 408TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ 409 ima_setup.sh \ 410 $(wildcard progs/btf_dump_test_case_*.c) 411TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 412TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 413TRUNNER_BPF_CFLAGS += -DENABLE_ATOMICS_TESTS 414$(eval $(call DEFINE_TEST_RUNNER,test_progs)) 415 416# Define test_progs-no_alu32 test runner. 417TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE 418TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 419$(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32)) 420 421# Define test_progs BPF-GCC-flavored test runner. 422ifneq ($(BPF_GCC),) 423TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 424TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc) 425$(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc)) 426endif 427 428# Define test_maps test runner. 429TRUNNER_TESTS_DIR := map_tests 430TRUNNER_BPF_PROGS_DIR := progs 431TRUNNER_EXTRA_SOURCES := test_maps.c 432TRUNNER_EXTRA_FILES := 433TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built) 434TRUNNER_BPF_CFLAGS := 435$(eval $(call DEFINE_TEST_RUNNER,test_maps)) 436 437# Define test_verifier test runner. 438# It is much simpler than test_maps/test_progs and sufficiently different from 439# them (e.g., test.h is using completely pattern), that it's worth just 440# explicitly defining all the rules explicitly. 441verifier/tests.h: verifier/*.c 442 $(shell ( cd verifier/; \ 443 echo '/* Generated header, do not edit */'; \ 444 echo '#ifdef FILL_ARRAY'; \ 445 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \ 446 echo '#endif' \ 447 ) > verifier/tests.h) 448$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT) 449 $(call msg,BINARY,,$@) 450 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 451 452# Make sure we are able to include and link libbpf against c++. 453$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ) 454 $(call msg,CXX,,$@) 455 $(Q)$(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@ 456 457# Benchmark runner 458$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h 459 $(call msg,CC,,$@) 460 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 461$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h 462$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h 463$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \ 464 $(OUTPUT)/perfbuf_bench.skel.h 465$(OUTPUT)/bench.o: bench.h testing_helpers.h 466$(OUTPUT)/bench: LDLIBS += -lm 467$(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \ 468 $(OUTPUT)/bench_count.o \ 469 $(OUTPUT)/bench_rename.o \ 470 $(OUTPUT)/bench_trigger.o \ 471 $(OUTPUT)/bench_ringbufs.o 472 $(call msg,BINARY,,$@) 473 $(Q)$(CC) $(LDFLAGS) -o $@ $(filter %.a %.o,$^) $(LDLIBS) 474 475EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ 476 prog_tests/tests.h map_tests/tests.h verifier/tests.h \ 477 feature \ 478 $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc bpf_testmod.ko) 479