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_doc_build.sh \ 72 test_xsk.sh 73 74TEST_PROGS_EXTENDED := with_addr.sh \ 75 with_tunnels.sh \ 76 test_xdp_vlan.sh 77 78# Compile but not part of 'make run_tests' 79TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \ 80 flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \ 81 test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \ 82 xdpxceiver 83 84TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read 85 86# Emit succinct information message describing current building step 87# $1 - generic step name (e.g., CC, LINK, etc); 88# $2 - optional "flavor" specifier; if provided, will be emitted as [flavor]; 89# $3 - target (assumed to be file); only file name will be emitted; 90# $4 - optional extra arg, emitted as-is, if provided. 91ifeq ($(V),1) 92Q = 93msg = 94else 95Q = @ 96msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))"; 97MAKEFLAGS += --no-print-directory 98submake_extras := feature_display=0 99endif 100 101# override lib.mk's default rules 102OVERRIDE_TARGETS := 1 103override define CLEAN 104 $(call msg,CLEAN) 105 $(Q)$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) 106 $(Q)$(MAKE) -C bpf_testmod clean 107 $(Q)$(MAKE) docs-clean 108endef 109 110include ../lib.mk 111 112SCRATCH_DIR := $(OUTPUT)/tools 113BUILD_DIR := $(SCRATCH_DIR)/build 114INCLUDE_DIR := $(SCRATCH_DIR)/include 115BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 116ifneq ($(CROSS_COMPILE),) 117HOST_BUILD_DIR := $(BUILD_DIR)/host 118HOST_SCRATCH_DIR := $(OUTPUT)/host-tools 119else 120HOST_BUILD_DIR := $(BUILD_DIR) 121HOST_SCRATCH_DIR := $(SCRATCH_DIR) 122endif 123HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a 124RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids 125 126VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 127 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 128 ../../../../vmlinux \ 129 /sys/kernel/btf/vmlinux \ 130 /boot/vmlinux-$(shell uname -r) 131VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 132ifeq ($(VMLINUX_BTF),) 133$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") 134endif 135 136# Define simple and short `make test_progs`, `make test_sysctl`, etc targets 137# to build individual tests. 138# NOTE: Semicolon at the end is critical to override lib.mk's default static 139# rule for binaries. 140$(notdir $(TEST_GEN_PROGS) \ 141 $(TEST_PROGS) \ 142 $(TEST_PROGS_EXTENDED) \ 143 $(TEST_GEN_PROGS_EXTENDED) \ 144 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ; 145 146# sort removes libbpf duplicates when not cross-building 147MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \ 148 $(HOST_BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/resolve_btfids \ 149 $(INCLUDE_DIR)) 150$(MAKE_DIRS): 151 $(call msg,MKDIR,,$@) 152 $(Q)mkdir -p $@ 153 154$(OUTPUT)/%.o: %.c 155 $(call msg,CC,,$@) 156 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 157 158$(OUTPUT)/%:%.c 159 $(call msg,BINARY,,$@) 160 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 161 162$(OUTPUT)/urandom_read: urandom_read.c 163 $(call msg,BINARY,,$@) 164 $(Q)$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id=sha1 165 166$(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch]) 167 $(call msg,MOD,,$@) 168 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation 169 $(Q)$(MAKE) $(submake_extras) -C bpf_testmod 170 $(Q)cp bpf_testmod/bpf_testmod.ko $@ 171 172$(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ) 173 $(call msg,CC,,$@) 174 $(Q)$(CC) -c $(CFLAGS) -o $@ $< 175 176DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool 177 178$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) 179 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \ 180 OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \ 181 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \ 182 cp $(SCRATCH_DIR)/runqslower $@ 183 184$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ) 185$(TEST_GEN_FILES): docs 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$(OUTPUT)/test_sockmap: cgroup_helpers.c 192$(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c 193$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c 194$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c 195$(OUTPUT)/test_netcnt: cgroup_helpers.c 196$(OUTPUT)/test_sock_fields: cgroup_helpers.c 197$(OUTPUT)/test_sysctl: cgroup_helpers.c 198 199BPFTOOL ?= $(DEFAULT_BPFTOOL) 200$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ 201 $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool 202 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ 203 CC=$(HOSTCC) LD=$(HOSTLD) \ 204 OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ 205 prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install 206 207docs: 208 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \ 209 -f Makefile.docs \ 210 prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@ 211 212docs-clean: 213 $(Q)$(MAKE) $(submake_extras) \ 214 -f Makefile.docs \ 215 prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@ 216 217$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 218 ../../../include/uapi/linux/bpf.h \ 219 | $(INCLUDE_DIR) $(BUILD_DIR)/libbpf 220 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ 221 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers 222 223ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) 224$(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 225 ../../../include/uapi/linux/bpf.h \ 226 | $(INCLUDE_DIR) $(HOST_BUILD_DIR)/libbpf 227 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ 228 OUTPUT=$(HOST_BUILD_DIR)/libbpf/ CC=$(HOSTCC) LD=$(HOSTLD) \ 229 DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers 230endif 231 232$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) | $(BPFTOOL) $(INCLUDE_DIR) 233ifeq ($(VMLINUX_H),) 234 $(call msg,GEN,,$@) 235 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ 236else 237 $(call msg,CP,,$@) 238 $(Q)cp "$(VMLINUX_H)" $@ 239endif 240 241$(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \ 242 $(TOOLSDIR)/bpf/resolve_btfids/main.c \ 243 $(TOOLSDIR)/lib/rbtree.c \ 244 $(TOOLSDIR)/lib/zalloc.c \ 245 $(TOOLSDIR)/lib/string.c \ 246 $(TOOLSDIR)/lib/ctype.c \ 247 $(TOOLSDIR)/lib/str_error_r.c 248 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ 249 CC=$(HOSTCC) LD=$(HOSTLD) AR=$(HOSTAR) \ 250 OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ) 251 252# Get Clang's default includes on this system, as opposed to those seen by 253# '-target bpf'. This fixes "missing" files on some architectures/distros, 254# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 255# 256# Use '-idirafter': Don't interfere with include mechanics except where the 257# build would have failed anyways. 258define get_sys_includes 259$(shell $(1) -v -E - </dev/null 2>&1 \ 260 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ 261$(shell $(1) -dM -E - </dev/null | grep '#define __riscv_xlen ' | sed 's/#define /-D/' | sed 's/ /=/') 262endef 263 264# Determine target endianness. 265IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ 266 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') 267MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) 268 269CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) 270BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ 271 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ 272 -I$(abspath $(OUTPUT)/../usr/include) 273 274CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ 275 -Wno-compare-distinct-pointer-types 276 277$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline 278$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline 279 280$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h 281 282# Build BPF object using Clang 283# $1 - input .c file 284# $2 - output .o file 285# $3 - CFLAGS 286define CLANG_BPF_BUILD_RULE 287 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 288 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v3 289endef 290# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 291define CLANG_NOALU32_BPF_BUILD_RULE 292 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 293 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v2 294endef 295# Build BPF object using GCC 296define GCC_BPF_BUILD_RULE 297 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) 298 $(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2 299endef 300 301SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c 302 303# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on 304# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES. 305# Parameters: 306# $1 - test runner base binary name (e.g., test_progs) 307# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 308define DEFINE_TEST_RUNNER 309 310TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 311TRUNNER_BINARY := $1$(if $2,-)$2 312TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \ 313 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c))) 314TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \ 315 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES))) 316TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES)) 317TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h 318TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c)) 319TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS)) 320TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \ 321 $$(filter-out $(SKEL_BLACKLIST), \ 322 $$(TRUNNER_BPF_SRCS))) 323TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 324 325# Evaluate rules now with extra TRUNNER_XXX variables above already defined 326$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2)) 327 328endef 329 330# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and 331# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with: 332# $1 - test runner base binary name (e.g., test_progs) 333# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) 334define DEFINE_TEST_RUNNER_RULES 335 336ifeq ($($(TRUNNER_OUTPUT)-dir),) 337$(TRUNNER_OUTPUT)-dir := y 338$(TRUNNER_OUTPUT): 339 $$(call msg,MKDIR,,$$@) 340 $(Q)mkdir -p $$@ 341endif 342 343# ensure we set up BPF objects generation rule just once for a given 344# input/output directory combination 345ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),) 346$(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y 347$(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 348 $(TRUNNER_BPF_PROGS_DIR)/%.c \ 349 $(TRUNNER_BPF_PROGS_DIR)/*.h \ 350 $$(INCLUDE_DIR)/vmlinux.h \ 351 $(wildcard $(BPFDIR)/bpf_*.h) | $(TRUNNER_OUTPUT) 352 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ 353 $(TRUNNER_BPF_CFLAGS)) 354 355$(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \ 356 $(TRUNNER_OUTPUT)/%.o \ 357 | $(BPFTOOL) $(TRUNNER_OUTPUT) 358 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) 359 $(Q)$$(BPFTOOL) gen skeleton $$< > $$@ 360endif 361 362# ensure we set up tests.h header generation rule just once 363ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) 364$(TRUNNER_TESTS_DIR)-tests-hdr := y 365$(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c 366 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@) 367 $$(shell ( cd $(TRUNNER_TESTS_DIR); \ 368 echo '/* Generated header, do not edit */'; \ 369 ls *.c 2> /dev/null | \ 370 sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@'; \ 371 ) > $$@) 372endif 373 374# compile individual test files 375# Note: we cd into output directory to ensure embedded BPF object is found 376$(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ 377 $(TRUNNER_TESTS_DIR)/%.c \ 378 $(TRUNNER_EXTRA_HDRS) \ 379 $(TRUNNER_BPF_OBJS) \ 380 $(TRUNNER_BPF_SKELS) \ 381 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 382 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) 383 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) 384 385$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 386 %.c \ 387 $(TRUNNER_EXTRA_HDRS) \ 388 $(TRUNNER_TESTS_HDR) \ 389 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 390 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@) 391 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@ 392 393# non-flavored in-srctree builds receive special treatment, in particular, we 394# do not need to copy extra resources (see e.g. test_btf_dump_case()) 395$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT) 396ifneq ($2:$(OUTPUT),:$(shell pwd)) 397 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES)) 398 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/ 399endif 400 401$(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \ 402 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \ 403 $(RESOLVE_BTFIDS) \ 404 | $(TRUNNER_BINARY)-extras 405 $$(call msg,BINARY,,$$@) 406 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@ 407 $(Q)$(RESOLVE_BTFIDS) --no-fail --btf $(TRUNNER_OUTPUT)/btf_data.o $$@ 408 409endef 410 411# Define test_progs test runner. 412TRUNNER_TESTS_DIR := prog_tests 413TRUNNER_BPF_PROGS_DIR := progs 414TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \ 415 network_helpers.c testing_helpers.c \ 416 btf_helpers.c flow_dissector_load.h 417TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ 418 ima_setup.sh \ 419 $(wildcard progs/btf_dump_test_case_*.c) 420TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 421TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 422TRUNNER_BPF_CFLAGS += -DENABLE_ATOMICS_TESTS 423$(eval $(call DEFINE_TEST_RUNNER,test_progs)) 424 425# Define test_progs-no_alu32 test runner. 426TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE 427TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 428$(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32)) 429 430# Define test_progs BPF-GCC-flavored test runner. 431ifneq ($(BPF_GCC),) 432TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 433TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc) 434$(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc)) 435endif 436 437# Define test_maps test runner. 438TRUNNER_TESTS_DIR := map_tests 439TRUNNER_BPF_PROGS_DIR := progs 440TRUNNER_EXTRA_SOURCES := test_maps.c 441TRUNNER_EXTRA_FILES := 442TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built) 443TRUNNER_BPF_CFLAGS := 444$(eval $(call DEFINE_TEST_RUNNER,test_maps)) 445 446# Define test_verifier test runner. 447# It is much simpler than test_maps/test_progs and sufficiently different from 448# them (e.g., test.h is using completely pattern), that it's worth just 449# explicitly defining all the rules explicitly. 450verifier/tests.h: verifier/*.c 451 $(shell ( cd verifier/; \ 452 echo '/* Generated header, do not edit */'; \ 453 echo '#ifdef FILL_ARRAY'; \ 454 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \ 455 echo '#endif' \ 456 ) > verifier/tests.h) 457$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT) 458 $(call msg,BINARY,,$@) 459 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 460 461# Make sure we are able to include and link libbpf against c++. 462$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ) 463 $(call msg,CXX,,$@) 464 $(Q)$(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@ 465 466# Benchmark runner 467$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h 468 $(call msg,CC,,$@) 469 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 470$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h 471$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h 472$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \ 473 $(OUTPUT)/perfbuf_bench.skel.h 474$(OUTPUT)/bench.o: bench.h testing_helpers.h 475$(OUTPUT)/bench: LDLIBS += -lm 476$(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \ 477 $(OUTPUT)/bench_count.o \ 478 $(OUTPUT)/bench_rename.o \ 479 $(OUTPUT)/bench_trigger.o \ 480 $(OUTPUT)/bench_ringbufs.o 481 $(call msg,BINARY,,$@) 482 $(Q)$(CC) $(LDFLAGS) -o $@ $(filter %.a %.o,$^) $(LDLIBS) 483 484EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ 485 prog_tests/tests.h map_tests/tests.h verifier/tests.h \ 486 feature \ 487 $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc bpf_testmod.ko) 488 489.PHONY: docs docs-clean 490