1 # SPDX-License-Identifier: GPL-2.0
2 include ../../../../scripts/Kbuild.include
3 include ../../../scripts/Makefile.arch
5 CXX ?= $(CROSS_COMPILE)g++
8 TOOLSDIR := $(abspath ../../..)
9 LIBDIR := $(TOOLSDIR)/lib
10 BPFDIR := $(LIBDIR)/bpf
11 TOOLSINCDIR := $(TOOLSDIR)/include
12 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool
13 APIDIR := $(TOOLSINCDIR)/uapi
14 GENDIR := $(abspath ../../../../include/generated)
15 GENHDR := $(GENDIR)/autoconf.h
17 ifneq ($(wildcard $(GENHDR)),)
18 GENFLAGS := -DHAVE_GENHDR
23 LLVM_OBJCOPY ?= llvm-objcopy
24 BPF_GCC ?= $(shell command -v bpf-gcc;)
26 CFLAGS += -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
31 LDLIBS += -lcap -lelf -lz -lrt -lpthread
33 # Order correspond to 'make run_tests' order
34 TEST_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 \
38 test_netcnt test_tcpnotify_user test_sysctl \
40 test_current_pid_tgid_new_ns
42 # Also test bpf-gcc, if present
44 TEST_GEN_PROGS += test_progs-bpf_gcc
48 TEST_FILES = test_lwt_ip_encap.o \
51 # Order correspond to 'make run_tests' order
52 TEST_PROGS := test_kmod.sh \
53 test_xdp_redirect.sh \
59 test_lwt_seg6local.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 \
70 test_bpftool_build.sh \
72 test_bpftool_metadata.sh \
74 TEST_PROGS_EXTENDED := with_addr.sh \
80 # Compile but not part of 'make run_tests'
81 TEST_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
85 TEST_CUSTOM_PROGS = urandom_read
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 # $4 - optional extra arg, emitted as-is, if provided.
97 msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))";
98 MAKEFLAGS += --no-print-directory
99 submake_extras := feature_display=0
102 # override lib.mk's default rules
103 OVERRIDE_TARGETS := 1
104 override define CLEAN
106 $(Q)$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
111 SCRATCH_DIR := $(OUTPUT)/tools
112 BUILD_DIR := $(SCRATCH_DIR)/build
113 INCLUDE_DIR := $(SCRATCH_DIR)/include
114 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a
115 RESOLVE_BTFIDS := $(BUILD_DIR)/resolve_btfids/resolve_btfids
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
121 $(notdir $(TEST_GEN_PROGS) \
123 $(TEST_PROGS_EXTENDED) \
124 $(TEST_GEN_PROGS_EXTENDED) \
125 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ;
129 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@
132 $(call msg,BINARY,,$@)
133 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@
135 $(OUTPUT)/urandom_read: urandom_read.c
136 $(call msg,BINARY,,$@)
137 $(Q)$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id=sha1
139 $(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ)
141 $(Q)$(CC) -c $(CFLAGS) -o $@ $<
143 VMLINUX_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)
148 VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
150 DEFAULT_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool
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 $@
158 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ)
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
174 BPFTOOL ?= $(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
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
192 $(BUILD_DIR)/libbpf $(BUILD_DIR)/bpftool $(BUILD_DIR)/resolve_btfids $(INCLUDE_DIR):
193 $(call msg,MKDIR,,$@)
196 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) | $(BPFTOOL) $(INCLUDE_DIR)
199 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
202 $(Q)cp "$(VMLINUX_H)" $@
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)
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.
219 # Use '-idirafter': Don't interfere with include mechanics except where the
220 # build would have failed anyways.
221 define 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 }')
226 # Determine target endianness.
227 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
228 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__')
229 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
231 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG))
232 BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \
233 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \
234 -I$(abspath $(OUTPUT)/../usr/include)
236 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
237 -Wno-compare-distinct-pointer-types
239 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
240 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
242 $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
244 # Build BPF object using Clang
246 # $2 - output .o file
249 define 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
255 # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32
256 define 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
262 # Similar to CLANG_BPF_BUILD_RULE, but using native Clang and bpf LLC
263 define 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
269 # Build BPF object using GCC
270 define GCC_BPF_BUILD_RULE
271 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2)
272 $(Q)$(BPF_GCC) $3 $4 -O2 -c $1 -o $2
275 SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c
277 # Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on
278 # $eval()) and pass control to DEFINE_TEST_RUNNER_RULES.
280 # $1 - test runner base binary name (e.g., test_progs)
281 # $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
282 define DEFINE_TEST_RUNNER
284 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2
285 TRUNNER_BINARY := $1$(if $2,-)$2
286 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \
287 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c)))
288 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \
289 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES)))
290 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES))
291 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h
292 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c))
293 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS))
294 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \
295 $$(filter-out $(SKEL_BLACKLIST), \
296 $$(TRUNNER_BPF_SRCS)))
297 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)
299 # Evaluate rules now with extra TRUNNER_XXX variables above already defined
300 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2))
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 # $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
308 define DEFINE_TEST_RUNNER_RULES
310 ifeq ($($(TRUNNER_OUTPUT)-dir),)
311 $(TRUNNER_OUTPUT)-dir := y
313 $$(call msg,MKDIR,,$$@)
317 # ensure we set up BPF objects generation rule just once for a given
318 # input/output directory combination
319 ifeq ($($(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))
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)$$(BPFTOOL) gen skeleton $$< > $$@
337 # ensure we set up tests.h header generation rule just once
338 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
339 $(TRUNNER_TESTS_DIR)-tests-hdr := y
340 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c
341 $$(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)@'; \
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 $$(@F)
360 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \
362 $(TRUNNER_EXTRA_HDRS) \
363 $(TRUNNER_TESTS_HDR) \
364 $$(BPFOBJ) | $(TRUNNER_OUTPUT)
365 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
366 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
368 # only copy extra resources if in flavored build
369 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
371 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
372 $(Q)cp -a $$^ $(TRUNNER_OUTPUT)/
375 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \
376 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \
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 $$@
385 # Define test_progs test runner.
386 TRUNNER_TESTS_DIR := prog_tests
387 TRUNNER_BPF_PROGS_DIR := progs
388 TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \
389 network_helpers.c testing_helpers.c \
390 flow_dissector_load.h
391 TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read \
392 $(wildcard progs/btf_dump_test_case_*.c)
393 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
394 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
395 TRUNNER_BPF_LDFLAGS := -mattr=+alu32
396 $(eval $(call DEFINE_TEST_RUNNER,test_progs))
398 # Define test_progs-no_alu32 test runner.
399 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE
400 TRUNNER_BPF_LDFLAGS :=
401 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32))
403 # Define test_progs BPF-GCC-flavored test runner.
405 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE
406 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc)
407 TRUNNER_BPF_LDFLAGS :=
408 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc))
411 # Define test_maps test runner.
412 TRUNNER_TESTS_DIR := map_tests
413 TRUNNER_BPF_PROGS_DIR := progs
414 TRUNNER_EXTRA_SOURCES := test_maps.c
415 TRUNNER_EXTRA_FILES :=
416 TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built)
417 TRUNNER_BPF_CFLAGS :=
418 TRUNNER_BPF_LDFLAGS :=
419 $(eval $(call DEFINE_TEST_RUNNER,test_maps))
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.
425 verifier/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\"@'; \
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 $@
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)
439 $(Q)$(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@
442 $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h
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)
459 EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) \
460 prog_tests/tests.h map_tests/tests.h verifier/tests.h \
462 $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc)