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