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 22CLANG ?= clang 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$(APIDIR) -I$(OUTPUT) \ 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 = test_lwt_ip_encap.o \ 48 test_tc_edt.o 49TEST_FILES = xsk_prereqs.sh \ 50 $(wildcard progs/btf_dump_test_case_*.c) 51 52# Order correspond to 'make run_tests' order 53TEST_PROGS := test_kmod.sh \ 54 test_xdp_redirect.sh \ 55 test_xdp_meta.sh \ 56 test_xdp_veth.sh \ 57 test_offload.py \ 58 test_sock_addr.sh \ 59 test_tunnel.sh \ 60 test_lwt_seg6local.sh \ 61 test_lirc_mode2.sh \ 62 test_skb_cgroup_id.sh \ 63 test_flow_dissector.sh \ 64 test_xdp_vlan_mode_generic.sh \ 65 test_xdp_vlan_mode_native.sh \ 66 test_lwt_ip_encap.sh \ 67 test_tcp_check_syncookie.sh \ 68 test_tc_tunnel.sh \ 69 test_tc_edt.sh \ 70 test_xdping.sh \ 71 test_bpftool_build.sh \ 72 test_bpftool.sh \ 73 test_bpftool_metadata.sh \ 74 test_xsk.sh 75 76TEST_PROGS_EXTENDED := with_addr.sh \ 77 with_tunnels.sh \ 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 xdpxceiver 85 86TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read 87 88# Emit succinct information message describing current building step 89# $1 - generic step name (e.g., CC, LINK, etc); 90# $2 - optional "flavor" specifier; if provided, will be emitted as [flavor]; 91# $3 - target (assumed to be file); only file name will be emitted; 92# $4 - optional extra arg, emitted as-is, if provided. 93ifeq ($(V),1) 94Q = 95msg = 96else 97Q = @ 98msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))"; 99MAKEFLAGS += --no-print-directory 100submake_extras := feature_display=0 101endif 102 103# override lib.mk's default rules 104OVERRIDE_TARGETS := 1 105override define CLEAN 106 $(call msg,CLEAN) 107 $(Q)$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) 108 $(Q)$(MAKE) -C bpf_testmod clean 109endef 110 111include ../lib.mk 112 113SCRATCH_DIR := $(OUTPUT)/tools 114BUILD_DIR := $(SCRATCH_DIR)/build 115INCLUDE_DIR := $(SCRATCH_DIR)/include 116BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 117ifneq ($(CROSS_COMPILE),) 118HOST_BUILD_DIR := $(BUILD_DIR)/host 119HOST_SCRATCH_DIR := $(OUTPUT)/host-tools 120else 121HOST_BUILD_DIR := $(BUILD_DIR) 122HOST_SCRATCH_DIR := $(SCRATCH_DIR) 123endif 124HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a 125RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids 126 127VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 128 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 129 ../../../../vmlinux \ 130 /sys/kernel/btf/vmlinux \ 131 /boot/vmlinux-$(shell uname -r) 132VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 133ifeq ($(VMLINUX_BTF),) 134$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") 135endif 136 137# Define simple and short `make test_progs`, `make test_sysctl`, etc targets 138# to build individual tests. 139# NOTE: Semicolon at the end is critical to override lib.mk's default static 140# rule for binaries. 141$(notdir $(TEST_GEN_PROGS) \ 142 $(TEST_PROGS) \ 143 $(TEST_PROGS_EXTENDED) \ 144 $(TEST_GEN_PROGS_EXTENDED) \ 145 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ; 146 147# sort removes libbpf duplicates when not cross-building 148MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \ 149 $(HOST_BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/resolve_btfids \ 150 $(INCLUDE_DIR)) 151$(MAKE_DIRS): 152 $(call msg,MKDIR,,$@) 153 $(Q)mkdir -p $@ 154 155$(OUTPUT)/%.o: %.c 156 $(call msg,CC,,$@) 157 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 158 159$(OUTPUT)/%:%.c 160 $(call msg,BINARY,,$@) 161 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 162 163$(OUTPUT)/urandom_read: urandom_read.c 164 $(call msg,BINARY,,$@) 165 $(Q)$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id=sha1 166 167$(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch]) 168 $(call msg,MOD,,$@) 169 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation 170 $(Q)$(MAKE) $(submake_extras) -C bpf_testmod 171 $(Q)cp bpf_testmod/bpf_testmod.ko $@ 172 173$(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ) 174 $(call msg,CC,,$@) 175 $(Q)$(CC) -c $(CFLAGS) -o $@ $< 176 177DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool 178 179$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) 180 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \ 181 OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \ 182 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \ 183 cp $(SCRATCH_DIR)/runqslower $@ 184 185$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ) 186 187$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c 188$(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c 189$(OUTPUT)/test_sock: cgroup_helpers.c 190$(OUTPUT)/test_sock_addr: cgroup_helpers.c 191$(OUTPUT)/test_socket_cookie: cgroup_helpers.c 192$(OUTPUT)/test_sockmap: cgroup_helpers.c 193$(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c 194$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c 195$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c 196$(OUTPUT)/test_netcnt: cgroup_helpers.c 197$(OUTPUT)/test_sock_fields: cgroup_helpers.c 198$(OUTPUT)/test_sysctl: cgroup_helpers.c 199 200BPFTOOL ?= $(DEFAULT_BPFTOOL) 201$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ 202 $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool 203 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ 204 CC=$(HOSTCC) LD=$(HOSTLD) \ 205 OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ 206 prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install 207 $(Q)mkdir -p $(BUILD_DIR)/bpftool/Documentation 208 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \ 209 -C $(BPFTOOLDIR)/Documentation \ 210 OUTPUT=$(BUILD_DIR)/bpftool/Documentation/ \ 211 prefix= DESTDIR=$(SCRATCH_DIR)/ install 212 213$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 214 ../../../include/uapi/linux/bpf.h \ 215 | $(INCLUDE_DIR) $(BUILD_DIR)/libbpf 216 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ 217 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers 218 219ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) 220$(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 221 ../../../include/uapi/linux/bpf.h \ 222 | $(INCLUDE_DIR) $(HOST_BUILD_DIR)/libbpf 223 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ 224 OUTPUT=$(HOST_BUILD_DIR)/libbpf/ CC=$(HOSTCC) LD=$(HOSTLD) \ 225 DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers 226endif 227 228$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) | $(BPFTOOL) $(INCLUDE_DIR) 229ifeq ($(VMLINUX_H),) 230 $(call msg,GEN,,$@) 231 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ 232else 233 $(call msg,CP,,$@) 234 $(Q)cp "$(VMLINUX_H)" $@ 235endif 236 237$(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \ 238 $(TOOLSDIR)/bpf/resolve_btfids/main.c \ 239 $(TOOLSDIR)/lib/rbtree.c \ 240 $(TOOLSDIR)/lib/zalloc.c \ 241 $(TOOLSDIR)/lib/string.c \ 242 $(TOOLSDIR)/lib/ctype.c \ 243 $(TOOLSDIR)/lib/str_error_r.c 244 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ 245 CC=$(HOSTCC) LD=$(HOSTLD) AR=$(HOSTAR) \ 246 OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ) 247 248# Get Clang's default includes on this system, as opposed to those seen by 249# '-target bpf'. This fixes "missing" files on some architectures/distros, 250# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 251# 252# Use '-idirafter': Don't interfere with include mechanics except where the 253# build would have failed anyways. 254define get_sys_includes 255$(shell $(1) -v -E - </dev/null 2>&1 \ 256 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ 257$(shell $(1) -dM -E - </dev/null | grep '#define __riscv_xlen ' | sed 's/#define /-D/' | sed 's/ /=/') 258endef 259 260# Determine target endianness. 261IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ 262 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') 263MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) 264 265CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) 266BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ 267 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ 268 -I$(abspath $(OUTPUT)/../usr/include) 269 270CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ 271 -Wno-compare-distinct-pointer-types 272 273$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline 274$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline 275 276$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h 277 278# Build BPF object using Clang 279# $1 - input .c file 280# $2 - output .o file 281# $3 - CFLAGS 282define CLANG_BPF_BUILD_RULE 283 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 284 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v3 285endef 286# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 287define CLANG_NOALU32_BPF_BUILD_RULE 288 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 289 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v2 290endef 291# Build BPF object using GCC 292define GCC_BPF_BUILD_RULE 293 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) 294 $(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2 295endef 296 297SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c 298 299# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on 300# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES. 301# Parameters: 302# $1 - test runner base binary name (e.g., test_progs) 303# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 304define DEFINE_TEST_RUNNER 305 306TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 307TRUNNER_BINARY := $1$(if $2,-)$2 308TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \ 309 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c))) 310TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \ 311 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES))) 312TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES)) 313TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h 314TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c)) 315TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS)) 316TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \ 317 $$(filter-out $(SKEL_BLACKLIST), \ 318 $$(TRUNNER_BPF_SRCS))) 319TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 320 321# Evaluate rules now with extra TRUNNER_XXX variables above already defined 322$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2)) 323 324endef 325 326# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and 327# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with: 328# $1 - test runner base binary name (e.g., test_progs) 329# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 330define DEFINE_TEST_RUNNER_RULES 331 332ifeq ($($(TRUNNER_OUTPUT)-dir),) 333$(TRUNNER_OUTPUT)-dir := y 334$(TRUNNER_OUTPUT): 335 $$(call msg,MKDIR,,$$@) 336 $(Q)mkdir -p $$@ 337endif 338 339# ensure we set up BPF objects generation rule just once for a given 340# input/output directory combination 341ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),) 342$(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y 343$(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 344 $(TRUNNER_BPF_PROGS_DIR)/%.c \ 345 $(TRUNNER_BPF_PROGS_DIR)/*.h \ 346 $$(INCLUDE_DIR)/vmlinux.h \ 347 $(wildcard $(BPFDIR)/bpf_*.h) | $(TRUNNER_OUTPUT) 348 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ 349 $(TRUNNER_BPF_CFLAGS)) 350 351$(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \ 352 $(TRUNNER_OUTPUT)/%.o \ 353 | $(BPFTOOL) $(TRUNNER_OUTPUT) 354 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) 355 $(Q)$$(BPFTOOL) gen skeleton $$< > $$@ 356endif 357 358# ensure we set up tests.h header generation rule just once 359ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) 360$(TRUNNER_TESTS_DIR)-tests-hdr := y 361$(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c 362 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@) 363 $$(shell ( cd $(TRUNNER_TESTS_DIR); \ 364 echo '/* Generated header, do not edit */'; \ 365 ls *.c 2> /dev/null | \ 366 sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@'; \ 367 ) > $$@) 368endif 369 370# compile individual test files 371# Note: we cd into output directory to ensure embedded BPF object is found 372$(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ 373 $(TRUNNER_TESTS_DIR)/%.c \ 374 $(TRUNNER_EXTRA_HDRS) \ 375 $(TRUNNER_BPF_OBJS) \ 376 $(TRUNNER_BPF_SKELS) \ 377 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 378 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) 379 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) 380 381$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 382 %.c \ 383 $(TRUNNER_EXTRA_HDRS) \ 384 $(TRUNNER_TESTS_HDR) \ 385 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 386 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@) 387 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@ 388 389# only copy extra resources if in flavored build 390$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT) 391ifneq ($2,) 392 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES)) 393 $(Q)cp -a $$^ $(TRUNNER_OUTPUT)/ 394endif 395 396$(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \ 397 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \ 398 $(RESOLVE_BTFIDS) \ 399 | $(TRUNNER_BINARY)-extras 400 $$(call msg,BINARY,,$$@) 401 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@ 402 $(Q)$(RESOLVE_BTFIDS) --no-fail --btf $(TRUNNER_OUTPUT)/btf_data.o $$@ 403 404endef 405 406# Define test_progs test runner. 407TRUNNER_TESTS_DIR := prog_tests 408TRUNNER_BPF_PROGS_DIR := progs 409TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \ 410 network_helpers.c testing_helpers.c \ 411 btf_helpers.c flow_dissector_load.h 412TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ 413 ima_setup.sh \ 414 $(wildcard progs/btf_dump_test_case_*.c) 415TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 416TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 417TRUNNER_BPF_CFLAGS += -DENABLE_ATOMICS_TESTS 418$(eval $(call DEFINE_TEST_RUNNER,test_progs)) 419 420# Define test_progs-no_alu32 test runner. 421TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE 422TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 423$(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32)) 424 425# Define test_progs BPF-GCC-flavored test runner. 426ifneq ($(BPF_GCC),) 427TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 428TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc) 429$(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc)) 430endif 431 432# Define test_maps test runner. 433TRUNNER_TESTS_DIR := map_tests 434TRUNNER_BPF_PROGS_DIR := progs 435TRUNNER_EXTRA_SOURCES := test_maps.c 436TRUNNER_EXTRA_FILES := 437TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built) 438TRUNNER_BPF_CFLAGS := 439$(eval $(call DEFINE_TEST_RUNNER,test_maps)) 440 441# Define test_verifier test runner. 442# It is much simpler than test_maps/test_progs and sufficiently different from 443# them (e.g., test.h is using completely pattern), that it's worth just 444# explicitly defining all the rules explicitly. 445verifier/tests.h: verifier/*.c 446 $(shell ( cd verifier/; \ 447 echo '/* Generated header, do not edit */'; \ 448 echo '#ifdef FILL_ARRAY'; \ 449 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \ 450 echo '#endif' \ 451 ) > verifier/tests.h) 452$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT) 453 $(call msg,BINARY,,$@) 454 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 455 456# Make sure we are able to include and link libbpf against c++. 457$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ) 458 $(call msg,CXX,,$@) 459 $(Q)$(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@ 460 461# Benchmark runner 462$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h 463 $(call msg,CC,,$@) 464 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 465$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h 466$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h 467$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \ 468 $(OUTPUT)/perfbuf_bench.skel.h 469$(OUTPUT)/bench.o: bench.h testing_helpers.h 470$(OUTPUT)/bench: LDLIBS += -lm 471$(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \ 472 $(OUTPUT)/bench_count.o \ 473 $(OUTPUT)/bench_rename.o \ 474 $(OUTPUT)/bench_trigger.o \ 475 $(OUTPUT)/bench_ringbufs.o 476 $(call msg,BINARY,,$@) 477 $(Q)$(CC) $(LDFLAGS) -o $@ $(filter %.a %.o,$^) $(LDLIBS) 478 479EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ 480 prog_tests/tests.h map_tests/tests.h verifier/tests.h \ 481 feature \ 482 $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc bpf_testmod.ko) 483