1# SPDX-License-Identifier: GPL-2.0 2include ../../../build/Build.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 := $(TOOLSINCDIR)/uapi 15ifneq ($(O),) 16GENDIR := $(O)/include/generated 17else 18GENDIR := $(abspath ../../../../include/generated) 19endif 20GENHDR := $(GENDIR)/autoconf.h 21PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config 22 23ifneq ($(wildcard $(GENHDR)),) 24 GENFLAGS := -DHAVE_GENHDR 25endif 26 27BPF_GCC ?= $(shell command -v bpf-gcc;) 28SAN_CFLAGS ?= 29SAN_LDFLAGS ?= $(SAN_CFLAGS) 30RELEASE ?= 31OPT_FLAGS ?= $(if $(RELEASE),-O2,-O0) 32 33LIBELF_CFLAGS := $(shell $(PKG_CONFIG) libelf --cflags 2>/dev/null) 34LIBELF_LIBS := $(shell $(PKG_CONFIG) libelf --libs 2>/dev/null || echo -lelf) 35 36CFLAGS += -g $(OPT_FLAGS) -rdynamic \ 37 -Wall -Werror -fno-omit-frame-pointer \ 38 $(GENFLAGS) $(SAN_CFLAGS) $(LIBELF_CFLAGS) \ 39 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \ 40 -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT) 41LDFLAGS += $(SAN_LDFLAGS) 42LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread 43 44# The following tests perform type punning and they may break strict 45# aliasing rules, which are exploited by both GCC and clang by default 46# while optimizing. This can lead to broken programs. 47progs/bind4_prog.c-CFLAGS := -fno-strict-aliasing 48progs/bind6_prog.c-CFLAGS := -fno-strict-aliasing 49progs/dynptr_fail.c-CFLAGS := -fno-strict-aliasing 50progs/linked_list_fail.c-CFLAGS := -fno-strict-aliasing 51progs/map_kptr_fail.c-CFLAGS := -fno-strict-aliasing 52progs/syscall.c-CFLAGS := -fno-strict-aliasing 53progs/test_pkt_md_access.c-CFLAGS := -fno-strict-aliasing 54progs/test_sk_lookup.c-CFLAGS := -fno-strict-aliasing 55progs/timer_crash.c-CFLAGS := -fno-strict-aliasing 56 57ifneq ($(LLVM),) 58# Silence some warnings when compiled with clang 59CFLAGS += -Wno-unused-command-line-argument 60endif 61 62# Check whether bpf cpu=v4 is supported or not by clang 63ifneq ($(shell $(CLANG) --target=bpf -mcpu=help 2>&1 | grep 'v4'),) 64CLANG_CPUV4 := 1 65endif 66 67# Order correspond to 'make run_tests' order 68TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 69 test_dev_cgroup \ 70 test_sock test_sockmap get_cgroup_id_user \ 71 test_cgroup_storage \ 72 test_tcpnotify_user test_sysctl \ 73 test_progs-no_alu32 74TEST_INST_SUBDIRS := no_alu32 75 76# Also test bpf-gcc, if present 77ifneq ($(BPF_GCC),) 78TEST_GEN_PROGS += test_progs-bpf_gcc 79TEST_INST_SUBDIRS += bpf_gcc 80 81# The following tests contain C code that, although technically legal, 82# triggers GCC warnings that cannot be disabled: declaration of 83# anonymous struct types in function parameter lists. 84progs/btf_dump_test_case_bitfields.c-bpf_gcc-CFLAGS := -Wno-error 85progs/btf_dump_test_case_namespacing.c-bpf_gcc-CFLAGS := -Wno-error 86progs/btf_dump_test_case_packing.c-bpf_gcc-CFLAGS := -Wno-error 87progs/btf_dump_test_case_padding.c-bpf_gcc-CFLAGS := -Wno-error 88progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLAGS := -Wno-error 89 90# The following tests do type-punning, via the __imm_insn macro, from 91# `struct bpf_insn' to long and then uses the value. This triggers an 92# "is used uninitialized" warning in GCC due to strict-aliasing 93# rules. 94progs/verifier_ref_tracking.c-bpf_gcc-CFLAGS := -fno-strict-aliasing 95progs/verifier_unpriv.c-bpf_gcc-CFLAGS := -fno-strict-aliasing 96progs/verifier_cgroup_storage.c-bpf_gcc-CFLAGS := -fno-strict-aliasing 97progs/verifier_ld_ind.c-bpf_gcc-CFLAGS := -fno-strict-aliasing 98progs/verifier_map_ret_val.c-bpf_gcc-CFLAGS := -fno-strict-aliasing 99progs/verifier_spill_fill.c-bpf_gcc-CFLAGS := -fno-strict-aliasing 100progs/verifier_subprog_precision.c-bpf_gcc-CFLAGS := -fno-strict-aliasing 101progs/verifier_uninit.c-bpf_gcc-CFLAGS := -fno-strict-aliasing 102endif 103 104ifneq ($(CLANG_CPUV4),) 105TEST_GEN_PROGS += test_progs-cpuv4 106TEST_INST_SUBDIRS += cpuv4 107endif 108 109TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_tc_edt.bpf.o 110TEST_FILES = xsk_prereqs.sh $(wildcard progs/btf_dump_test_case_*.c) 111 112# Order correspond to 'make run_tests' order 113TEST_PROGS := test_kmod.sh \ 114 test_xdp_redirect.sh \ 115 test_xdp_redirect_multi.sh \ 116 test_xdp_meta.sh \ 117 test_xdp_veth.sh \ 118 test_sock_addr.sh \ 119 test_tunnel.sh \ 120 test_lwt_seg6local.sh \ 121 test_lirc_mode2.sh \ 122 test_skb_cgroup_id.sh \ 123 test_flow_dissector.sh \ 124 test_xdp_vlan_mode_generic.sh \ 125 test_xdp_vlan_mode_native.sh \ 126 test_lwt_ip_encap.sh \ 127 test_tcp_check_syncookie.sh \ 128 test_tc_tunnel.sh \ 129 test_tc_edt.sh \ 130 test_xdping.sh \ 131 test_bpftool_build.sh \ 132 test_bpftool.sh \ 133 test_bpftool_metadata.sh \ 134 test_doc_build.sh \ 135 test_xsk.sh \ 136 test_xdp_features.sh 137 138TEST_PROGS_EXTENDED := with_addr.sh \ 139 with_tunnels.sh ima_setup.sh verify_sig_setup.sh \ 140 test_xdp_vlan.sh test_bpftool.py 141 142# Compile but not part of 'make run_tests' 143TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \ 144 flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \ 145 test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \ 146 xskxceiver xdp_redirect_multi xdp_synproxy veristat xdp_hw_metadata \ 147 xdp_features bpf_test_no_cfi.ko 148 149TEST_GEN_FILES += liburandom_read.so urandom_read sign-file uprobe_multi 150 151ifneq ($(V),1) 152submake_extras := feature_display=0 153endif 154 155# override lib.mk's default rules 156OVERRIDE_TARGETS := 1 157override define CLEAN 158 $(call msg,CLEAN) 159 $(Q)$(RM) -r $(TEST_GEN_PROGS) 160 $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED) 161 $(Q)$(RM) -r $(TEST_GEN_FILES) 162 $(Q)$(RM) -r $(EXTRA_CLEAN) 163 $(Q)$(MAKE) -C bpf_testmod clean 164 $(Q)$(MAKE) docs-clean 165endef 166 167include ../lib.mk 168 169SCRATCH_DIR := $(OUTPUT)/tools 170BUILD_DIR := $(SCRATCH_DIR)/build 171INCLUDE_DIR := $(SCRATCH_DIR)/include 172BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 173ifneq ($(CROSS_COMPILE),) 174HOST_BUILD_DIR := $(BUILD_DIR)/host 175HOST_SCRATCH_DIR := $(OUTPUT)/host-tools 176HOST_INCLUDE_DIR := $(HOST_SCRATCH_DIR)/include 177else 178HOST_BUILD_DIR := $(BUILD_DIR) 179HOST_SCRATCH_DIR := $(SCRATCH_DIR) 180HOST_INCLUDE_DIR := $(INCLUDE_DIR) 181endif 182HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a 183RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids 184RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/ 185 186VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 187 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 188 ../../../../vmlinux \ 189 /sys/kernel/btf/vmlinux \ 190 /boot/vmlinux-$(shell uname -r) 191VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 192ifeq ($(VMLINUX_BTF),) 193$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") 194endif 195 196# Define simple and short `make test_progs`, `make test_sysctl`, etc targets 197# to build individual tests. 198# NOTE: Semicolon at the end is critical to override lib.mk's default static 199# rule for binaries. 200$(notdir $(TEST_GEN_PROGS) \ 201 $(TEST_GEN_PROGS_EXTENDED)): %: $(OUTPUT)/% ; 202 203# sort removes libbpf duplicates when not cross-building 204MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \ 205 $(BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/bpftool \ 206 $(HOST_BUILD_DIR)/resolve_btfids \ 207 $(RUNQSLOWER_OUTPUT) $(INCLUDE_DIR)) 208$(MAKE_DIRS): 209 $(call msg,MKDIR,,$@) 210 $(Q)mkdir -p $@ 211 212$(OUTPUT)/%.o: %.c 213 $(call msg,CC,,$@) 214 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 215 216$(OUTPUT)/%:%.c 217 $(call msg,BINARY,,$@) 218 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 219 220# LLVM's ld.lld doesn't support all the architectures, so use it only on x86 221ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv)) 222LLD := lld 223else 224LLD := ld 225endif 226 227# Filter out -static for liburandom_read.so and its dependent targets so that static builds 228# do not fail. Static builds leave urandom_read relying on system-wide shared libraries. 229$(OUTPUT)/liburandom_read.so: urandom_read_lib1.c urandom_read_lib2.c liburandom_read.map 230 $(call msg,LIB,,$@) 231 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ 232 $(filter-out -static,$(CFLAGS) $(LDFLAGS)) \ 233 $(filter %.c,$^) $(filter-out -static,$(LDLIBS)) \ 234 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \ 235 -Wl,--version-script=liburandom_read.map \ 236 -fPIC -shared -o $@ 237 238$(OUTPUT)/urandom_read: urandom_read.c urandom_read_aux.c $(OUTPUT)/liburandom_read.so 239 $(call msg,BINARY,,$@) 240 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ 241 $(filter-out -static,$(CFLAGS) $(LDFLAGS)) $(filter %.c,$^) \ 242 -lurandom_read $(filter-out -static,$(LDLIBS)) -L$(OUTPUT) \ 243 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \ 244 -Wl,-rpath=. -o $@ 245 246$(OUTPUT)/sign-file: ../../../../scripts/sign-file.c 247 $(call msg,SIGN-FILE,,$@) 248 $(Q)$(CC) $(shell $(PKG_CONFIG) --cflags libcrypto 2> /dev/null) \ 249 $< -o $@ \ 250 $(shell $(PKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto) 251 252$(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch]) 253 $(call msg,MOD,,$@) 254 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation 255 $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_testmod 256 $(Q)cp bpf_testmod/bpf_testmod.ko $@ 257 258$(OUTPUT)/bpf_test_no_cfi.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_test_no_cfi/Makefile bpf_test_no_cfi/*.[ch]) 259 $(call msg,MOD,,$@) 260 $(Q)$(RM) bpf_test_no_cfi/bpf_test_no_cfi.ko # force re-compilation 261 $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_test_no_cfi 262 $(Q)cp bpf_test_no_cfi/bpf_test_no_cfi.ko $@ 263 264DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool 265ifneq ($(CROSS_COMPILE),) 266CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool 267TRUNNER_BPFTOOL := $(CROSS_BPFTOOL) 268USE_BOOTSTRAP := "" 269else 270TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL) 271USE_BOOTSTRAP := "bootstrap/" 272endif 273 274$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) $(RUNQSLOWER_OUTPUT) 275 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \ 276 OUTPUT=$(RUNQSLOWER_OUTPUT) VMLINUX_BTF=$(VMLINUX_BTF) \ 277 BPFTOOL_OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ 278 BPFOBJ_OUTPUT=$(BUILD_DIR)/libbpf/ \ 279 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) \ 280 EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS)' \ 281 EXTRA_LDFLAGS='$(SAN_LDFLAGS)' && \ 282 cp $(RUNQSLOWER_OUTPUT)runqslower $@ 283 284TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL) 285 286$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ) 287 288TESTING_HELPERS := $(OUTPUT)/testing_helpers.o 289CGROUP_HELPERS := $(OUTPUT)/cgroup_helpers.o 290UNPRIV_HELPERS := $(OUTPUT)/unpriv_helpers.o 291TRACE_HELPERS := $(OUTPUT)/trace_helpers.o 292JSON_WRITER := $(OUTPUT)/json_writer.o 293CAP_HELPERS := $(OUTPUT)/cap_helpers.o 294NETWORK_HELPERS := $(OUTPUT)/network_helpers.o 295 296$(OUTPUT)/test_dev_cgroup: $(CGROUP_HELPERS) $(TESTING_HELPERS) 297$(OUTPUT)/test_skb_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) 298$(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTING_HELPERS) 299$(OUTPUT)/test_sock_addr: $(CGROUP_HELPERS) $(TESTING_HELPERS) $(NETWORK_HELPERS) 300$(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TESTING_HELPERS) 301$(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) $(TRACE_HELPERS) 302$(OUTPUT)/get_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) 303$(OUTPUT)/test_cgroup_storage: $(CGROUP_HELPERS) $(TESTING_HELPERS) 304$(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) $(TESTING_HELPERS) 305$(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TESTING_HELPERS) 306$(OUTPUT)/test_tag: $(TESTING_HELPERS) 307$(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELPERS) 308$(OUTPUT)/xdping: $(TESTING_HELPERS) 309$(OUTPUT)/flow_dissector_load: $(TESTING_HELPERS) 310$(OUTPUT)/test_maps: $(TESTING_HELPERS) 311$(OUTPUT)/test_verifier: $(TESTING_HELPERS) $(CAP_HELPERS) $(UNPRIV_HELPERS) 312$(OUTPUT)/xsk.o: $(BPFOBJ) 313$(OUTPUT)/test_tcp_check_syncookie_user: $(NETWORK_HELPERS) 314 315BPFTOOL ?= $(DEFAULT_BPFTOOL) 316$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ 317 $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool 318 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ 319 ARCH= CROSS_COMPILE= CC="$(HOSTCC)" LD="$(HOSTLD)" \ 320 EXTRA_CFLAGS='-g $(OPT_FLAGS)' \ 321 OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ 322 LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \ 323 LIBBPF_DESTDIR=$(HOST_SCRATCH_DIR)/ \ 324 prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin 325 326ifneq ($(CROSS_COMPILE),) 327$(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ 328 $(BPFOBJ) | $(BUILD_DIR)/bpftool 329 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ 330 ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) \ 331 EXTRA_CFLAGS='-g $(OPT_FLAGS)' \ 332 OUTPUT=$(BUILD_DIR)/bpftool/ \ 333 LIBBPF_OUTPUT=$(BUILD_DIR)/libbpf/ \ 334 LIBBPF_DESTDIR=$(SCRATCH_DIR)/ \ 335 prefix= DESTDIR=$(SCRATCH_DIR)/ install-bin 336endif 337 338all: docs 339 340docs: 341 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \ 342 -f Makefile.docs \ 343 prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@ 344 345docs-clean: 346 $(Q)$(MAKE) $(submake_extras) \ 347 -f Makefile.docs \ 348 prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@ 349 350$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 351 $(APIDIR)/linux/bpf.h \ 352 | $(BUILD_DIR)/libbpf 353 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ 354 EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS)' \ 355 EXTRA_LDFLAGS='$(SAN_LDFLAGS)' \ 356 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers 357 358ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) 359$(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 360 $(APIDIR)/linux/bpf.h \ 361 | $(HOST_BUILD_DIR)/libbpf 362 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ 363 EXTRA_CFLAGS='-g $(OPT_FLAGS)' ARCH= CROSS_COMPILE= \ 364 OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \ 365 CC="$(HOSTCC)" LD="$(HOSTLD)" \ 366 DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers 367endif 368 369$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR) 370ifeq ($(VMLINUX_H),) 371 $(call msg,GEN,,$@) 372 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ 373else 374 $(call msg,CP,,$@) 375 $(Q)cp "$(VMLINUX_H)" $@ 376endif 377 378$(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \ 379 $(TOOLSDIR)/bpf/resolve_btfids/main.c \ 380 $(TOOLSDIR)/lib/rbtree.c \ 381 $(TOOLSDIR)/lib/zalloc.c \ 382 $(TOOLSDIR)/lib/string.c \ 383 $(TOOLSDIR)/lib/ctype.c \ 384 $(TOOLSDIR)/lib/str_error_r.c 385 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ 386 CC="$(HOSTCC)" LD="$(HOSTLD)" AR="$(HOSTAR)" \ 387 LIBBPF_INCLUDE=$(HOST_INCLUDE_DIR) \ 388 OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ) 389 390# Get Clang's default includes on this system, as opposed to those seen by 391# '--target=bpf'. This fixes "missing" files on some architectures/distros, 392# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 393# 394# Use '-idirafter': Don't interfere with include mechanics except where the 395# build would have failed anyways. 396define get_sys_includes 397$(shell $(1) $(2) -v -E - </dev/null 2>&1 \ 398 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ 399$(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') \ 400$(shell $(1) $(2) -dM -E - </dev/null | grep '__loongarch_grlen ' | awk '{printf("-D__BITS_PER_LONG=%d", $$3)}') 401endef 402 403# Determine target endianness. 404IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ 405 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') 406MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) 407 408ifneq ($(CROSS_COMPILE),) 409CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%)) 410endif 411 412CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH)) 413BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ 414 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ 415 -I$(abspath $(OUTPUT)/../usr/include) \ 416 -Wno-compare-distinct-pointer-types 417# TODO: enable me -Wsign-compare 418 419CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) 420 421$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline 422$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline 423 424$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h 425$(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup_getset_retval_hooks.h 426 427# Build BPF object using Clang 428# $1 - input .c file 429# $2 - output .o file 430# $3 - CFLAGS 431define CLANG_BPF_BUILD_RULE 432 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 433 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v3 -o $2 434endef 435# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 436define CLANG_NOALU32_BPF_BUILD_RULE 437 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 438 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v2 -o $2 439endef 440# Similar to CLANG_BPF_BUILD_RULE, but with cpu-v4 441define CLANG_CPUV4_BPF_BUILD_RULE 442 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 443 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v4 -o $2 444endef 445# Build BPF object using GCC 446define GCC_BPF_BUILD_RULE 447 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) 448 $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_ACCESS_INDEX -Wno-attributes -O2 -c $1 -o $2 449endef 450 451SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c 452 453LINKED_SKELS := test_static_linked.skel.h linked_funcs.skel.h \ 454 linked_vars.skel.h linked_maps.skel.h \ 455 test_subskeleton.skel.h test_subskeleton_lib.skel.h \ 456 test_usdt.skel.h 457 458LSKELS := fentry_test.c fexit_test.c fexit_sleep.c atomics.c \ 459 trace_printk.c trace_vprintk.c map_ptr_kern.c \ 460 core_kern.c core_kern_overflow.c test_ringbuf.c \ 461 test_ringbuf_n.c test_ringbuf_map_key.c 462 463# Generate both light skeleton and libbpf skeleton for these 464LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c kfunc_call_test.c \ 465 kfunc_call_test_subprog.c 466SKEL_BLACKLIST += $$(LSKELS) 467 468test_static_linked.skel.h-deps := test_static_linked1.bpf.o test_static_linked2.bpf.o 469linked_funcs.skel.h-deps := linked_funcs1.bpf.o linked_funcs2.bpf.o 470linked_vars.skel.h-deps := linked_vars1.bpf.o linked_vars2.bpf.o 471linked_maps.skel.h-deps := linked_maps1.bpf.o linked_maps2.bpf.o 472# In the subskeleton case, we want the test_subskeleton_lib.subskel.h file 473# but that's created as a side-effect of the skel.h generation. 474test_subskeleton.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o test_subskeleton.bpf.o 475test_subskeleton_lib.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o 476test_usdt.skel.h-deps := test_usdt.bpf.o test_usdt_multispec.bpf.o 477xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf.o 478xdp_hw_metadata.skel.h-deps := xdp_hw_metadata.bpf.o 479xdp_features.skel.h-deps := xdp_features.bpf.o 480 481LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(foreach skel,$(LINKED_SKELS),$($(skel)-deps))) 482 483# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on 484# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES. 485# Parameters: 486# $1 - test runner base binary name (e.g., test_progs) 487# $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc) 488define DEFINE_TEST_RUNNER 489 490TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 491TRUNNER_BINARY := $1$(if $2,-)$2 492TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \ 493 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c))) 494TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \ 495 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES))) 496TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES)) 497TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h 498TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c)) 499TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.bpf.o, $$(TRUNNER_BPF_SRCS)) 500TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \ 501 $$(filter-out $(SKEL_BLACKLIST) $(LINKED_BPF_SRCS),\ 502 $$(TRUNNER_BPF_SRCS))) 503TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.lskel.h, $$(LSKELS) $$(LSKELS_EXTRA)) 504TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TRUNNER_OUTPUT)/,$(LINKED_SKELS)) 505TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 506 507# Evaluate rules now with extra TRUNNER_XXX variables above already defined 508$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2)) 509 510endef 511 512# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and 513# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with: 514# $1 - test runner base binary name (e.g., test_progs) 515# $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc) 516define DEFINE_TEST_RUNNER_RULES 517 518ifeq ($($(TRUNNER_OUTPUT)-dir),) 519$(TRUNNER_OUTPUT)-dir := y 520$(TRUNNER_OUTPUT): 521 $$(call msg,MKDIR,,$$@) 522 $(Q)mkdir -p $$@ 523endif 524 525# ensure we set up BPF objects generation rule just once for a given 526# input/output directory combination 527ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),) 528$(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y 529$(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o: \ 530 $(TRUNNER_BPF_PROGS_DIR)/%.c \ 531 $(TRUNNER_BPF_PROGS_DIR)/*.h \ 532 $$(INCLUDE_DIR)/vmlinux.h \ 533 $(wildcard $(BPFDIR)/bpf_*.h) \ 534 $(wildcard $(BPFDIR)/*.bpf.h) \ 535 | $(TRUNNER_OUTPUT) $$(BPFOBJ) 536 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ 537 $(TRUNNER_BPF_CFLAGS) \ 538 $$($$<-CFLAGS) \ 539 $$($$<-$2-CFLAGS)) 540 541$(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT) 542 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) 543 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$< 544 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o) 545 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o) 546 $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o) 547 $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$@ 548 $(Q)$$(BPFTOOL) gen subskeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$(@:.skel.h=.subskel.h) 549 $(Q)rm -f $$(<:.o=.linked1.o) $$(<:.o=.linked2.o) $$(<:.o=.linked3.o) 550 551$(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT) 552 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) 553 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked1.o) $$< 554 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked2.o) $$(<:.o=.llinked1.o) 555 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked3.o) $$(<:.o=.llinked2.o) 556 $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o) 557 $(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.llinked3.o) name $$(notdir $$(<:.bpf.o=_lskel)) > $$@ 558 $(Q)rm -f $$(<:.o=.llinked1.o) $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o) 559 560$(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_BPF_OBJS) $(BPFTOOL) | $(TRUNNER_OUTPUT) 561 $$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.bpf.o)) 562 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps)) 563 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked1.o) 564 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked3.o) $$(@:.skel.h=.linked2.o) 565 $(Q)diff $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o) 566 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) 567 $(Q)$$(BPFTOOL) gen skeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$@ 568 $(Q)$$(BPFTOOL) gen subskeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$(@:.skel.h=.subskel.h) 569 $(Q)rm -f $$(@:.skel.h=.linked1.o) $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o) 570endif 571 572# ensure we set up tests.h header generation rule just once 573ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) 574$(TRUNNER_TESTS_DIR)-tests-hdr := y 575$(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c 576 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@) 577 $$(shell (echo '/* Generated header, do not edit */'; \ 578 sed -n -E 's/^void (serial_)?test_([a-zA-Z0-9_]+)\((void)?\).*/DEFINE_TEST(\2)/p' \ 579 $(TRUNNER_TESTS_DIR)/*.c | sort ; \ 580 ) > $$@) 581endif 582 583# compile individual test files 584# Note: we cd into output directory to ensure embedded BPF object is found 585$(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ 586 $(TRUNNER_TESTS_DIR)/%.c \ 587 $(TRUNNER_EXTRA_HDRS) \ 588 $(TRUNNER_BPF_OBJS) \ 589 $(TRUNNER_BPF_SKELS) \ 590 $(TRUNNER_BPF_LSKELS) \ 591 $(TRUNNER_BPF_SKELS_LINKED) \ 592 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 593 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) 594 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) 595 596$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \ 597 %.c \ 598 $(TRUNNER_EXTRA_HDRS) \ 599 $(TRUNNER_TESTS_HDR) \ 600 $$(BPFOBJ) | $(TRUNNER_OUTPUT) 601 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@) 602 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@ 603 604# non-flavored in-srctree builds receive special treatment, in particular, we 605# do not need to copy extra resources (see e.g. test_btf_dump_case()) 606$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT) 607ifneq ($2:$(OUTPUT),:$(shell pwd)) 608 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES)) 609 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/ 610endif 611 612$(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \ 613 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \ 614 $(RESOLVE_BTFIDS) \ 615 $(TRUNNER_BPFTOOL) \ 616 | $(TRUNNER_BINARY)-extras 617 $$(call msg,BINARY,,$$@) 618 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@ 619 $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_OUTPUT)/btf_data.bpf.o $$@ 620 $(Q)ln -sf $(if $2,..,.)/tools/build/bpftool/$(USE_BOOTSTRAP)bpftool \ 621 $(OUTPUT)/$(if $2,$2/)bpftool 622 623endef 624 625# Define test_progs test runner. 626TRUNNER_TESTS_DIR := prog_tests 627TRUNNER_BPF_PROGS_DIR := progs 628TRUNNER_EXTRA_SOURCES := test_progs.c \ 629 cgroup_helpers.c \ 630 trace_helpers.c \ 631 network_helpers.c \ 632 testing_helpers.c \ 633 btf_helpers.c \ 634 cap_helpers.c \ 635 unpriv_helpers.c \ 636 netlink_helpers.c \ 637 test_loader.c \ 638 xsk.c \ 639 disasm.c \ 640 json_writer.c \ 641 flow_dissector_load.h \ 642 ip_check_defrag_frags.h 643TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ 644 $(OUTPUT)/bpf_test_no_cfi.ko \ 645 $(OUTPUT)/liburandom_read.so \ 646 $(OUTPUT)/xdp_synproxy \ 647 $(OUTPUT)/sign-file \ 648 $(OUTPUT)/uprobe_multi \ 649 ima_setup.sh \ 650 verify_sig_setup.sh \ 651 $(wildcard progs/btf_dump_test_case_*.c) \ 652 $(wildcard progs/*.bpf.o) 653TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 654TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS 655$(eval $(call DEFINE_TEST_RUNNER,test_progs)) 656 657# Define test_progs-no_alu32 test runner. 658TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE 659TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) 660$(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32)) 661 662# Define test_progs-cpuv4 test runner. 663ifneq ($(CLANG_CPUV4),) 664TRUNNER_BPF_BUILD_RULE := CLANG_CPUV4_BPF_BUILD_RULE 665TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS 666$(eval $(call DEFINE_TEST_RUNNER,test_progs,cpuv4)) 667endif 668 669# Define test_progs BPF-GCC-flavored test runner. 670ifneq ($(BPF_GCC),) 671TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 672TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc,) 673$(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc)) 674endif 675 676# Define test_maps test runner. 677TRUNNER_TESTS_DIR := map_tests 678TRUNNER_BPF_PROGS_DIR := progs 679TRUNNER_EXTRA_SOURCES := test_maps.c 680TRUNNER_EXTRA_FILES := 681TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built) 682TRUNNER_BPF_CFLAGS := 683$(eval $(call DEFINE_TEST_RUNNER,test_maps)) 684 685# Define test_verifier test runner. 686# It is much simpler than test_maps/test_progs and sufficiently different from 687# them (e.g., test.h is using completely pattern), that it's worth just 688# explicitly defining all the rules explicitly. 689verifier/tests.h: verifier/*.c 690 $(shell ( cd verifier/; \ 691 echo '/* Generated header, do not edit */'; \ 692 echo '#ifdef FILL_ARRAY'; \ 693 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \ 694 echo '#endif' \ 695 ) > verifier/tests.h) 696$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT) 697 $(call msg,BINARY,,$@) 698 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 699 700# Include find_bit.c to compile xskxceiver. 701EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c 702$(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver.c xskxceiver.h $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xsk_xdp_progs.skel.h $(BPFOBJ) | $(OUTPUT) 703 $(call msg,BINARY,,$@) 704 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 705 706$(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xdp_hw_metadata.skel.h | $(OUTPUT) 707 $(call msg,BINARY,,$@) 708 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 709 710$(OUTPUT)/xdp_features: xdp_features.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xdp_features.skel.h | $(OUTPUT) 711 $(call msg,BINARY,,$@) 712 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ 713 714# Make sure we are able to include and link libbpf against c++. 715$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ) 716 $(call msg,CXX,,$@) 717 $(Q)$(CXX) $(CFLAGS) $(filter %.a %.o %.cpp,$^) $(LDLIBS) -o $@ 718 719# Benchmark runner 720$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h $(BPFOBJ) 721 $(call msg,CC,,$@) 722 $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %.c,$^) $(LDLIBS) -o $@ 723$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h 724$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h 725$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \ 726 $(OUTPUT)/perfbuf_bench.skel.h 727$(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/bloom_filter_bench.skel.h 728$(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop_bench.skel.h 729$(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_bench.skel.h 730$(OUTPUT)/bench_bpf_hashmap_full_update.o: $(OUTPUT)/bpf_hashmap_full_update_bench.skel.h 731$(OUTPUT)/bench_local_storage.o: $(OUTPUT)/local_storage_bench.skel.h 732$(OUTPUT)/bench_local_storage_rcu_tasks_trace.o: $(OUTPUT)/local_storage_rcu_tasks_trace_bench.skel.h 733$(OUTPUT)/bench_local_storage_create.o: $(OUTPUT)/bench_local_storage_create.skel.h 734$(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT)/bpf_hashmap_lookup.skel.h 735$(OUTPUT)/bench_htab_mem.o: $(OUTPUT)/htab_mem_bench.skel.h 736$(OUTPUT)/bench_bpf_crypto.o: $(OUTPUT)/crypto_bench.skel.h 737$(OUTPUT)/bench.o: bench.h testing_helpers.h $(BPFOBJ) 738$(OUTPUT)/bench: LDLIBS += -lm 739$(OUTPUT)/bench: $(OUTPUT)/bench.o \ 740 $(TESTING_HELPERS) \ 741 $(TRACE_HELPERS) \ 742 $(CGROUP_HELPERS) \ 743 $(OUTPUT)/bench_count.o \ 744 $(OUTPUT)/bench_rename.o \ 745 $(OUTPUT)/bench_trigger.o \ 746 $(OUTPUT)/bench_ringbufs.o \ 747 $(OUTPUT)/bench_bloom_filter_map.o \ 748 $(OUTPUT)/bench_bpf_loop.o \ 749 $(OUTPUT)/bench_strncmp.o \ 750 $(OUTPUT)/bench_bpf_hashmap_full_update.o \ 751 $(OUTPUT)/bench_local_storage.o \ 752 $(OUTPUT)/bench_local_storage_rcu_tasks_trace.o \ 753 $(OUTPUT)/bench_bpf_hashmap_lookup.o \ 754 $(OUTPUT)/bench_local_storage_create.o \ 755 $(OUTPUT)/bench_htab_mem.o \ 756 $(OUTPUT)/bench_bpf_crypto.o \ 757 # 758 $(call msg,BINARY,,$@) 759 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@ 760 761$(OUTPUT)/veristat.o: $(BPFOBJ) 762$(OUTPUT)/veristat: $(OUTPUT)/veristat.o 763 $(call msg,BINARY,,$@) 764 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@ 765 766$(OUTPUT)/uprobe_multi: uprobe_multi.c 767 $(call msg,BINARY,,$@) 768 $(Q)$(CC) $(CFLAGS) -O0 $(LDFLAGS) $^ $(LDLIBS) -o $@ 769 770EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ 771 prog_tests/tests.h map_tests/tests.h verifier/tests.h \ 772 feature bpftool \ 773 $(addprefix $(OUTPUT)/,*.o *.skel.h *.lskel.h *.subskel.h \ 774 no_alu32 cpuv4 bpf_gcc bpf_testmod.ko \ 775 bpf_test_no_cfi.ko \ 776 liburandom_read.so) 777 778.PHONY: docs docs-clean 779 780# Delete partially updated (corrupted) files on error 781.DELETE_ON_ERROR: 782 783DEFAULT_INSTALL_RULE := $(INSTALL_RULE) 784override define INSTALL_RULE 785 $(DEFAULT_INSTALL_RULE) 786 @for DIR in $(TEST_INST_SUBDIRS); do \ 787 mkdir -p $(INSTALL_PATH)/$$DIR; \ 788 rsync -a $(OUTPUT)/$$DIR/*.bpf.o $(INSTALL_PATH)/$$DIR;\ 789 done 790endef 791