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Linux/tools/testing/selftests/bpf/Makefile

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /tools/testing/selftests/bpf/Makefile (Version linux-6.12-rc7) and /tools/testing/selftests/bpf/Makefile (Version linux-5.6.19)


  1 # SPDX-License-Identifier: GPL-2.0                  1 # SPDX-License-Identifier: GPL-2.0
  2 include ../../../build/Build.include           !!   2 include ../../../../scripts/Kbuild.include
  3 include ../../../scripts/Makefile.arch              3 include ../../../scripts/Makefile.arch
  4 include ../../../scripts/Makefile.include      << 
  5                                                << 
  6 CXX ?= $(CROSS_COMPILE)g++                     << 
  7                                                     4 
  8 CURDIR := $(abspath .)                              5 CURDIR := $(abspath .)
  9 TOOLSDIR := $(abspath ../../..)                     6 TOOLSDIR := $(abspath ../../..)
 10 LIBDIR := $(TOOLSDIR)/lib                           7 LIBDIR := $(TOOLSDIR)/lib
 11 BPFDIR := $(LIBDIR)/bpf                             8 BPFDIR := $(LIBDIR)/bpf
 12 TOOLSINCDIR := $(TOOLSDIR)/include                  9 TOOLSINCDIR := $(TOOLSDIR)/include
 13 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool              10 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool
 14 APIDIR := $(TOOLSINCDIR)/uapi                      11 APIDIR := $(TOOLSINCDIR)/uapi
 15 ifneq ($(O),)                                  << 
 16 GENDIR := $(O)/include/generated               << 
 17 else                                           << 
 18 GENDIR := $(abspath ../../../../include/genera     12 GENDIR := $(abspath ../../../../include/generated)
 19 endif                                          << 
 20 GENHDR := $(GENDIR)/autoconf.h                     13 GENHDR := $(GENDIR)/autoconf.h
 21 PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config       << 
 22                                                    14 
 23 ifneq ($(wildcard $(GENHDR)),)                     15 ifneq ($(wildcard $(GENHDR)),)
 24   GENFLAGS := -DHAVE_GENHDR                        16   GENFLAGS := -DHAVE_GENHDR
 25 endif                                              17 endif
 26                                                    18 
                                                   >>  19 CLANG           ?= clang
                                                   >>  20 LLC             ?= llc
                                                   >>  21 LLVM_OBJCOPY    ?= llvm-objcopy
 27 BPF_GCC         ?= $(shell command -v bpf-gcc;     22 BPF_GCC         ?= $(shell command -v bpf-gcc;)
 28 SAN_CFLAGS      ?=                             !!  23 CFLAGS += -g -Wall -O2 $(GENFLAGS) -I$(CURDIR) -I$(APIDIR)              \
 29 SAN_LDFLAGS     ?= $(SAN_CFLAGS)               !!  24           -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) -I$(TOOLSINCDIR)     \
 30 RELEASE         ?=                             !!  25           -Dbpf_prog_load=bpf_prog_test_load                            \
 31 OPT_FLAGS       ?= $(if $(RELEASE),-O2,-O0)    !!  26           -Dbpf_load_program=bpf_test_load_program
 32                                                !!  27 LDLIBS += -lcap -lelf -lz -lrt -lpthread
 33 LIBELF_CFLAGS   := $(shell $(PKG_CONFIG) libel << 
 34 LIBELF_LIBS     := $(shell $(PKG_CONFIG) libel << 
 35                                                << 
 36 ifeq ($(srctree),)                             << 
 37 srctree := $(patsubst %/,%,$(dir $(CURDIR)))   << 
 38 srctree := $(patsubst %/,%,$(dir $(srctree)))  << 
 39 srctree := $(patsubst %/,%,$(dir $(srctree)))  << 
 40 srctree := $(patsubst %/,%,$(dir $(srctree)))  << 
 41 endif                                          << 
 42                                                << 
 43 CFLAGS += -g $(OPT_FLAGS) -rdynamic            << 
 44           -Wall -Werror -fno-omit-frame-pointe << 
 45           $(GENFLAGS) $(SAN_CFLAGS) $(LIBELF_C << 
 46           -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GEN << 
 47           -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUT << 
 48 LDFLAGS += $(SAN_LDFLAGS)                      << 
 49 LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread    << 
 50                                                << 
 51 PCAP_CFLAGS     := $(shell $(PKG_CONFIG) --cfl << 
 52 PCAP_LIBS       := $(shell $(PKG_CONFIG) --lib << 
 53 LDLIBS += $(PCAP_LIBS)                         << 
 54 CFLAGS += $(PCAP_CFLAGS)                       << 
 55                                                << 
 56 # The following tests perform type punning and << 
 57 # aliasing rules, which are exploited by both  << 
 58 # while optimizing.  This can lead to broken p << 
 59 progs/bind4_prog.c-CFLAGS := -fno-strict-alias << 
 60 progs/bind6_prog.c-CFLAGS := -fno-strict-alias << 
 61 progs/dynptr_fail.c-CFLAGS := -fno-strict-alia << 
 62 progs/linked_list_fail.c-CFLAGS := -fno-strict << 
 63 progs/map_kptr_fail.c-CFLAGS := -fno-strict-al << 
 64 progs/syscall.c-CFLAGS := -fno-strict-aliasing << 
 65 progs/test_pkt_md_access.c-CFLAGS := -fno-stri << 
 66 progs/test_sk_lookup.c-CFLAGS := -fno-strict-a << 
 67 progs/timer_crash.c-CFLAGS := -fno-strict-alia << 
 68 progs/test_global_func9.c-CFLAGS := -fno-stric << 
 69 progs/verifier_nocsr.c-CFLAGS := -fno-strict-a << 
 70                                                << 
 71 # Some utility functions use LLVM libraries    << 
 72 jit_disasm_helpers.c-CFLAGS = $(LLVM_CFLAGS)   << 
 73                                                << 
 74 ifneq ($(LLVM),)                               << 
 75 # Silence some warnings when compiled with cla << 
 76 CFLAGS += -Wno-unused-command-line-argument    << 
 77 endif                                          << 
 78                                                << 
 79 # Check whether bpf cpu=v4 is supported or not << 
 80 ifneq ($(shell $(CLANG) --target=bpf -mcpu=hel << 
 81 CLANG_CPUV4 := 1                               << 
 82 endif                                          << 
 83                                                    28 
 84 # Order correspond to 'make run_tests' order       29 # Order correspond to 'make run_tests' order
 85 TEST_GEN_PROGS = test_verifier test_tag test_m     30 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
 86         test_sock test_sockmap \               !!  31         test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \
 87         test_tcpnotify_user test_sysctl \      !!  32         test_sock test_btf test_sockmap get_cgroup_id_user test_socket_cookie \
                                                   >>  33         test_cgroup_storage \
                                                   >>  34         test_netcnt test_tcpnotify_user test_sock_fields test_sysctl test_hashmap \
 88         test_progs-no_alu32                        35         test_progs-no_alu32
 89 TEST_INST_SUBDIRS := no_alu32                  << 
 90                                                    36 
 91 # Also test bpf-gcc, if present                    37 # Also test bpf-gcc, if present
 92 ifneq ($(BPF_GCC),)                                38 ifneq ($(BPF_GCC),)
 93 TEST_GEN_PROGS += test_progs-bpf_gcc               39 TEST_GEN_PROGS += test_progs-bpf_gcc
 94 TEST_INST_SUBDIRS += bpf_gcc                   << 
 95                                                << 
 96 # The following tests contain C code that, alt << 
 97 # triggers GCC warnings that cannot be disable << 
 98 # anonymous struct types in function parameter << 
 99 progs/btf_dump_test_case_bitfields.c-bpf_gcc-C << 
100 progs/btf_dump_test_case_namespacing.c-bpf_gcc << 
101 progs/btf_dump_test_case_packing.c-bpf_gcc-CFL << 
102 progs/btf_dump_test_case_padding.c-bpf_gcc-CFL << 
103 progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLA << 
104                                                << 
105 # The following tests do type-punning, via the << 
106 # `struct bpf_insn' to long and then uses the  << 
107 # "is used uninitialized" warning in GCC due t << 
108 # rules.                                       << 
109 progs/verifier_ref_tracking.c-bpf_gcc-CFLAGS : << 
110 progs/verifier_unpriv.c-bpf_gcc-CFLAGS := -fno << 
111 progs/verifier_cgroup_storage.c-bpf_gcc-CFLAGS << 
112 progs/verifier_ld_ind.c-bpf_gcc-CFLAGS := -fno << 
113 progs/verifier_map_ret_val.c-bpf_gcc-CFLAGS := << 
114 progs/verifier_spill_fill.c-bpf_gcc-CFLAGS :=  << 
115 progs/verifier_subprog_precision.c-bpf_gcc-CFL << 
116 progs/verifier_uninit.c-bpf_gcc-CFLAGS := -fno << 
117 endif                                              40 endif
118                                                    41 
119 ifneq ($(CLANG_CPUV4),)                        !!  42 TEST_GEN_FILES =
120 TEST_GEN_PROGS += test_progs-cpuv4             !!  43 TEST_FILES = test_lwt_ip_encap.o \
121 TEST_INST_SUBDIRS += cpuv4                     !!  44         test_tc_edt.o
122 endif                                          << 
123                                                << 
124 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_ << 
125 TEST_FILES = xsk_prereqs.sh $(wildcard progs/b << 
126                                                    45 
127 # Order correspond to 'make run_tests' order       46 # Order correspond to 'make run_tests' order
128 TEST_PROGS := test_kmod.sh \                       47 TEST_PROGS := test_kmod.sh \
129         test_xdp_redirect.sh \                     48         test_xdp_redirect.sh \
130         test_xdp_redirect_multi.sh \           << 
131         test_xdp_meta.sh \                         49         test_xdp_meta.sh \
                                                   >>  50         test_xdp_veth.sh \
                                                   >>  51         test_offload.py \
                                                   >>  52         test_sock_addr.sh \
132         test_tunnel.sh \                           53         test_tunnel.sh \
133         test_lwt_seg6local.sh \                    54         test_lwt_seg6local.sh \
134         test_lirc_mode2.sh \                       55         test_lirc_mode2.sh \
135         test_skb_cgroup_id.sh \                    56         test_skb_cgroup_id.sh \
136         test_flow_dissector.sh \                   57         test_flow_dissector.sh \
137         test_xdp_vlan_mode_generic.sh \            58         test_xdp_vlan_mode_generic.sh \
138         test_xdp_vlan_mode_native.sh \             59         test_xdp_vlan_mode_native.sh \
139         test_lwt_ip_encap.sh \                     60         test_lwt_ip_encap.sh \
140         test_tcp_check_syncookie.sh \              61         test_tcp_check_syncookie.sh \
141         test_tc_tunnel.sh \                        62         test_tc_tunnel.sh \
142         test_tc_edt.sh \                           63         test_tc_edt.sh \
143         test_xdping.sh \                           64         test_xdping.sh \
144         test_bpftool_build.sh \                !!  65         test_bpftool_build.sh
145         test_bpftool.sh \                      << 
146         test_bpftool_metadata.sh \             << 
147         test_doc_build.sh \                    << 
148         test_xsk.sh \                          << 
149         test_xdp_features.sh                   << 
150                                                    66 
151 TEST_PROGS_EXTENDED := with_addr.sh \              67 TEST_PROGS_EXTENDED := with_addr.sh \
152         with_tunnels.sh ima_setup.sh verify_si !!  68         with_tunnels.sh \
153         test_xdp_vlan.sh test_bpftool.py       !!  69         tcp_client.py \
                                                   >>  70         tcp_server.py \
                                                   >>  71         test_xdp_vlan.sh
154                                                    72 
155 # Compile but not part of 'make run_tests'         73 # Compile but not part of 'make run_tests'
156 TEST_GEN_PROGS_EXTENDED = \                    !!  74 TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \
157         flow_dissector_load test_flow_dissecto     75         flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
158         test_lirc_mode2_user xdping test_cpp r !!  76         test_lirc_mode2_user xdping test_cpp runqslower
159         xskxceiver xdp_redirect_multi xdp_synp << 
160         xdp_features bpf_test_no_cfi.ko bpf_te << 
161         bpf_test_modorder_y.ko                 << 
162                                                    77 
163 TEST_GEN_FILES += liburandom_read.so urandom_r !!  78 TEST_CUSTOM_PROGS = urandom_read
164                                                    79 
165 ifneq ($(V),1)                                 !!  80 # Emit succinct information message describing current building step
                                                   >>  81 # $1 - generic step name (e.g., CC, LINK, etc);
                                                   >>  82 # $2 - optional "flavor" specifier; if provided, will be emitted as [flavor];
                                                   >>  83 # $3 - target (assumed to be file); only file name will be emitted;
                                                   >>  84 # $4 - optional extra arg, emitted as-is, if provided.
                                                   >>  85 ifeq ($(V),1)
                                                   >>  86 Q =
                                                   >>  87 msg =
                                                   >>  88 else
                                                   >>  89 Q = @
                                                   >>  90 msg = @printf '  %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))";
                                                   >>  91 MAKEFLAGS += --no-print-directory
166 submake_extras := feature_display=0                92 submake_extras := feature_display=0
167 endif                                              93 endif
168                                                    94 
169 # override lib.mk's default rules                  95 # override lib.mk's default rules
170 OVERRIDE_TARGETS := 1                              96 OVERRIDE_TARGETS := 1
171 override define CLEAN                              97 override define CLEAN
172         $(call msg,CLEAN)                          98         $(call msg,CLEAN)
173         $(Q)$(RM) -r $(TEST_GEN_PROGS)         !!  99         $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
174         $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED << 
175         $(Q)$(RM) -r $(TEST_GEN_FILES)         << 
176         $(Q)$(RM) -r $(EXTRA_CLEAN)            << 
177         $(Q)$(MAKE) -C bpf_testmod clean       << 
178         $(Q)$(MAKE) docs-clean                 << 
179 endef                                             100 endef
180                                                   101 
181 include ../lib.mk                                 102 include ../lib.mk
182                                                   103 
183 NON_CHECK_FEAT_TARGETS := clean docs-clean     << 
184 CHECK_FEAT := $(filter-out $(NON_CHECK_FEAT_TA << 
185 ifneq ($(CHECK_FEAT),)                         << 
186 FEATURE_USER := .selftests                     << 
187 FEATURE_TESTS := llvm                          << 
188 FEATURE_DISPLAY := $(FEATURE_TESTS)            << 
189                                                << 
190 # Makefile.feature expects OUTPUT to end with  << 
191 ifeq ($(shell expr $(MAKE_VERSION) \>= 4.4), 1 << 
192 $(let OUTPUT,$(OUTPUT)/,\                      << 
193         $(eval include ../../../build/Makefile << 
194 else                                           << 
195 OUTPUT := $(OUTPUT)/                           << 
196 $(eval include ../../../build/Makefile.feature << 
197 OUTPUT := $(patsubst %/,%,$(OUTPUT))           << 
198 endif                                          << 
199 endif                                          << 
200                                                << 
201 ifeq ($(feature-llvm),1)                       << 
202   LLVM_CFLAGS  += -DHAVE_LLVM_SUPPORT          << 
203   LLVM_CONFIG_LIB_COMPONENTS := mcdisassembler << 
204   # both llvm-config and lib.mk add -D_GNU_SOU << 
205   LLVM_CFLAGS  += $(filter-out -D_GNU_SOURCE,$ << 
206   LLVM_LDLIBS  += $(shell $(LLVM_CONFIG) --lin << 
207   LLVM_LDLIBS  += $(shell $(LLVM_CONFIG) --lin << 
208   LLVM_LDLIBS  += -lstdc++                     << 
209   LLVM_LDFLAGS += $(shell $(LLVM_CONFIG) --ldf << 
210 endif                                          << 
211                                                << 
212 SCRATCH_DIR := $(OUTPUT)/tools                    104 SCRATCH_DIR := $(OUTPUT)/tools
213 BUILD_DIR := $(SCRATCH_DIR)/build                 105 BUILD_DIR := $(SCRATCH_DIR)/build
214 INCLUDE_DIR := $(SCRATCH_DIR)/include             106 INCLUDE_DIR := $(SCRATCH_DIR)/include
215 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a            107 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a
216 ifneq ($(CROSS_COMPILE),)                      << 
217 HOST_BUILD_DIR          := $(BUILD_DIR)/host   << 
218 HOST_SCRATCH_DIR        := $(OUTPUT)/host-tool << 
219 HOST_INCLUDE_DIR        := $(HOST_SCRATCH_DIR) << 
220 else                                           << 
221 HOST_BUILD_DIR          := $(BUILD_DIR)        << 
222 HOST_SCRATCH_DIR        := $(SCRATCH_DIR)      << 
223 HOST_INCLUDE_DIR        := $(INCLUDE_DIR)      << 
224 endif                                          << 
225 HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf << 
226 RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_bt << 
227 RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/  << 
228                                                << 
229 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux)   << 
230                      $(if $(KBUILD_OUTPUT),$(K << 
231                      ../../../../vmlinux       << 
232                      /sys/kernel/btf/vmlinux   << 
233                      /boot/vmlinux-$(shell una << 
234 VMLINUX_BTF ?= $(abspath $(firstword $(wildcar << 
235 ifeq ($(VMLINUX_BTF),)                         << 
236 $(error Cannot find a vmlinux for VMLINUX_BTF  << 
237 endif                                          << 
238                                                   108 
239 # Define simple and short `make test_progs`, `    109 # Define simple and short `make test_progs`, `make test_sysctl`, etc targets
240 # to build individual tests.                      110 # to build individual tests.
241 # NOTE: Semicolon at the end is critical to ov    111 # NOTE: Semicolon at the end is critical to override lib.mk's default static
242 # rule for binaries.                              112 # rule for binaries.
243 $(notdir $(TEST_GEN_PROGS)                        113 $(notdir $(TEST_GEN_PROGS)                                              \
244          $(TEST_GEN_PROGS_EXTENDED)): %: $(OUT !! 114          $(TEST_PROGS)                                                  \
245                                                !! 115          $(TEST_PROGS_EXTENDED)                                         \
246 # sort removes libbpf duplicates when not cros !! 116          $(TEST_GEN_PROGS_EXTENDED)                                     \
247 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST !! 117          $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ;
248                $(BUILD_DIR)/bpftool $(HOST_BUI << 
249                $(HOST_BUILD_DIR)/resolve_btfid << 
250                $(RUNQSLOWER_OUTPUT) $(INCLUDE_ << 
251 $(MAKE_DIRS):                                  << 
252         $(call msg,MKDIR,,$@)                  << 
253         $(Q)mkdir -p $@                        << 
254                                                << 
255 $(OUTPUT)/%.o: %.c                             << 
256         $(call msg,CC,,$@)                     << 
257         $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^ << 
258                                                   118 
259 $(OUTPUT)/%:%.c                                   119 $(OUTPUT)/%:%.c
260         $(call msg,BINARY,,$@)                    120         $(call msg,BINARY,,$@)
261         $(Q)$(LINK.c) $^ $(LDLIBS) -o $@       !! 121         $(LINK.c) $^ $(LDLIBS) -o $@
262                                                << 
263 # LLVM's ld.lld doesn't support all the archit << 
264 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv << 
265 LLD := lld                                     << 
266 else                                           << 
267 LLD := $(shell command -v $(LD))               << 
268 endif                                          << 
269                                                << 
270 # Filter out -static for liburandom_read.so an << 
271 # do not fail. Static builds leave urandom_rea << 
272 $(OUTPUT)/liburandom_read.so: urandom_read_lib << 
273         $(call msg,LIB,,$@)                    << 
274         $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \    << 
275                      $(filter-out -static,$(CF << 
276                      $(filter %.c,$^) $(filter << 
277                      -fuse-ld=$(LLD) -Wl,-znos << 
278                      -Wl,--version-script=libu << 
279                      -fPIC -shared -o $@       << 
280                                                   122 
281 $(OUTPUT)/urandom_read: urandom_read.c urandom !! 123 $(OUTPUT)/urandom_read: urandom_read.c
282         $(call msg,BINARY,,$@)                    124         $(call msg,BINARY,,$@)
283         $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \    !! 125         $(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id
284                      $(filter-out -static,$(CF << 
285                      -lurandom_read $(filter-o << 
286                      -fuse-ld=$(LLD) -Wl,-znos << 
287                      -Wl,-rpath=. -o $@        << 
288                                                << 
289 $(OUTPUT)/sign-file: ../../../../scripts/sign- << 
290         $(call msg,SIGN-FILE,,$@)              << 
291         $(Q)$(CC) $(shell $(PKG_CONFIG) --cfla << 
292                   $< -o $@ \                   << 
293                   $(shell $(PKG_CONFIG) --libs << 
294                                                << 
295 $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RES << 
296         $(call msg,MOD,,$@)                    << 
297         $(Q)$(RM) bpf_testmod/bpf_testmod.ko # << 
298         $(Q)$(MAKE) $(submake_extras) RESOLVE_ << 
299         $(Q)cp bpf_testmod/bpf_testmod.ko $@   << 
300                                                << 
301 $(OUTPUT)/bpf_test_no_cfi.ko: $(VMLINUX_BTF) $ << 
302         $(call msg,MOD,,$@)                    << 
303         $(Q)$(RM) bpf_test_no_cfi/bpf_test_no_ << 
304         $(Q)$(MAKE) $(submake_extras) RESOLVE_ << 
305         $(Q)cp bpf_test_no_cfi/bpf_test_no_cfi << 
306                                                << 
307 $(OUTPUT)/bpf_test_modorder_x.ko: $(VMLINUX_BT << 
308         $(call msg,MOD,,$@)                    << 
309         $(Q)$(RM) bpf_test_modorder_x/bpf_test << 
310         $(Q)$(MAKE) $(submake_extras) RESOLVE_ << 
311         $(Q)cp bpf_test_modorder_x/bpf_test_mo << 
312                                                << 
313 $(OUTPUT)/bpf_test_modorder_y.ko: $(VMLINUX_BT << 
314         $(call msg,MOD,,$@)                    << 
315         $(Q)$(RM) bpf_test_modorder_y/bpf_test << 
316         $(Q)$(MAKE) $(submake_extras) RESOLVE_ << 
317         $(Q)cp bpf_test_modorder_y/bpf_test_mo << 
318                                                << 
319                                                << 
320 DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bp << 
321 ifneq ($(CROSS_COMPILE),)                      << 
322 CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool   << 
323 TRUNNER_BPFTOOL := $(CROSS_BPFTOOL)            << 
324 USE_BOOTSTRAP := ""                            << 
325 else                                           << 
326 TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL)          << 
327 USE_BOOTSTRAP := "bootstrap/"                  << 
328 endif                                          << 
329                                                   126 
330 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BP !! 127 $(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ)
331         $(Q)$(MAKE) $(submake_extras) -C $(TOO !! 128         $(call msg,CC,,$@)
332                     OUTPUT=$(RUNQSLOWER_OUTPUT !! 129         $(CC) -c $(CFLAGS) -o $@ $<
333                     BPFTOOL_OUTPUT=$(HOST_BUIL << 
334                     BPFOBJ_OUTPUT=$(BUILD_DIR) << 
335                     BPFOBJ=$(BPFOBJ) BPF_INCLU << 
336                     EXTRA_CFLAGS='-g $(OPT_FLA << 
337                     EXTRA_LDFLAGS='$(SAN_LDFLA << 
338                     cp $(RUNQSLOWER_OUTPUT)run << 
339                                                << 
340 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL)  << 
341                                                << 
342 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED):  << 
343                                                << 
344 TESTING_HELPERS := $(OUTPUT)/testing_helpers.o << 
345 CGROUP_HELPERS  := $(OUTPUT)/cgroup_helpers.o  << 
346 UNPRIV_HELPERS  := $(OUTPUT)/unpriv_helpers.o  << 
347 TRACE_HELPERS   := $(OUTPUT)/trace_helpers.o   << 
348 JSON_WRITER             := $(OUTPUT)/json_writ << 
349 CAP_HELPERS     := $(OUTPUT)/cap_helpers.o     << 
350 NETWORK_HELPERS := $(OUTPUT)/network_helpers.o << 
351                                                << 
352 $(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTI << 
353 $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TE << 
354 $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPER << 
355 $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS)  << 
356 $(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TES << 
357 $(OUTPUT)/test_tag: $(TESTING_HELPERS)         << 
358 $(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELP << 
359 $(OUTPUT)/xdping: $(TESTING_HELPERS)           << 
360 $(OUTPUT)/flow_dissector_load: $(TESTING_HELPE << 
361 $(OUTPUT)/test_maps: $(TESTING_HELPERS)        << 
362 $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $( << 
363 $(OUTPUT)/xsk.o: $(BPFOBJ)                     << 
364 $(OUTPUT)/test_tcp_check_syncookie_user: $(NET << 
365                                                   130 
                                                   >> 131 VMLINUX_BTF_PATHS := $(abspath ../../../../vmlinux)                     \
                                                   >> 132                                /sys/kernel/btf/vmlinux                  \
                                                   >> 133                                /boot/vmlinux-$(shell uname -r)
                                                   >> 134 VMLINUX_BTF:= $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))
                                                   >> 135 $(OUTPUT)/runqslower: $(BPFOBJ)
                                                   >> 136         $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower     \
                                                   >> 137                     OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF)   \
                                                   >> 138                     BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR)
                                                   >> 139 
                                                   >> 140 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ)
                                                   >> 141 
                                                   >> 142 $(OUTPUT)/test_dev_cgroup: cgroup_helpers.c
                                                   >> 143 $(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c
                                                   >> 144 $(OUTPUT)/test_sock: cgroup_helpers.c
                                                   >> 145 $(OUTPUT)/test_sock_addr: cgroup_helpers.c
                                                   >> 146 $(OUTPUT)/test_socket_cookie: cgroup_helpers.c
                                                   >> 147 $(OUTPUT)/test_sockmap: cgroup_helpers.c
                                                   >> 148 $(OUTPUT)/test_tcpbpf_user: cgroup_helpers.c
                                                   >> 149 $(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c
                                                   >> 150 $(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c
                                                   >> 151 $(OUTPUT)/test_cgroup_storage: cgroup_helpers.c
                                                   >> 152 $(OUTPUT)/test_netcnt: cgroup_helpers.c
                                                   >> 153 $(OUTPUT)/test_sock_fields: cgroup_helpers.c
                                                   >> 154 $(OUTPUT)/test_sysctl: cgroup_helpers.c
                                                   >> 155 
                                                   >> 156 DEFAULT_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool
366 BPFTOOL ?= $(DEFAULT_BPFTOOL)                     157 BPFTOOL ?= $(DEFAULT_BPFTOOL)
367 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*    158 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile)    \
368                     $(HOST_BPFOBJ) | $(HOST_BU << 
369         $(Q)$(MAKE) $(submake_extras)  -C $(BP << 
370                     ARCH= CROSS_COMPILE= CC="$ << 
371                     EXTRA_CFLAGS='-g $(OPT_FLA << 
372                     OUTPUT=$(HOST_BUILD_DIR)/b << 
373                     LIBBPF_OUTPUT=$(HOST_BUILD << 
374                     LIBBPF_DESTDIR=$(HOST_SCRA << 
375                     prefix= DESTDIR=$(HOST_SCR << 
376                                                << 
377 ifneq ($(CROSS_COMPILE),)                      << 
378 $(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ << 
379                     $(BPFOBJ) | $(BUILD_DIR)/b    159                     $(BPFOBJ) | $(BUILD_DIR)/bpftool
380         $(Q)$(MAKE) $(submake_extras)  -C $(BP !! 160         $(Q)$(MAKE) $(submake_extras)  -C $(BPFTOOLDIR)                        \
381                     ARCH=$(ARCH) CROSS_COMPILE !! 161                     OUTPUT=$(BUILD_DIR)/bpftool/                               \
382                     EXTRA_CFLAGS='-g $(OPT_FLA !! 162                     prefix= DESTDIR=$(SCRATCH_DIR)/ install
383                     OUTPUT=$(BUILD_DIR)/bpftoo << 
384                     LIBBPF_OUTPUT=$(BUILD_DIR) << 
385                     LIBBPF_DESTDIR=$(SCRATCH_D << 
386                     prefix= DESTDIR=$(SCRATCH_ << 
387 endif                                          << 
388                                                << 
389 all: docs                                      << 
390                                                << 
391 docs:                                          << 
392         $(Q)RST2MAN_OPTS="--exit-status=1" $(M << 
393                     -f Makefile.docs           << 
394                     prefix= OUTPUT=$(OUTPUT)/  << 
395                                                << 
396 docs-clean:                                    << 
397         $(Q)$(MAKE) $(submake_extras)          << 
398                     -f Makefile.docs           << 
399                     prefix= OUTPUT=$(OUTPUT)/  << 
400                                                   163 
401 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDI    164 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile)                     \
402            $(APIDIR)/linux/bpf.h               !! 165            ../../../include/uapi/linux/bpf.h                                   \
403            | $(BUILD_DIR)/libbpf               !! 166            | $(INCLUDE_DIR) $(BUILD_DIR)/libbpf
404         $(Q)$(MAKE) $(submake_extras) -C $(BPF    167         $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
405                     EXTRA_CFLAGS='-g $(OPT_FLA << 
406                     EXTRA_LDFLAGS='$(SAN_LDFLA << 
407                     DESTDIR=$(SCRATCH_DIR) pre    168                     DESTDIR=$(SCRATCH_DIR) prefix= all install_headers
408                                                   169 
409 ifneq ($(BPFOBJ),$(HOST_BPFOBJ))               !! 170 $(BUILD_DIR)/libbpf $(BUILD_DIR)/bpftool $(INCLUDE_DIR):
410 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $( !! 171         $(call msg,MKDIR,,$@)
411                 $(APIDIR)/linux/bpf.h          !! 172         mkdir -p $@
412                 | $(HOST_BUILD_DIR)/libbpf     << 
413         $(Q)$(MAKE) $(submake_extras) -C $(BPF << 
414                     EXTRA_CFLAGS='-g $(OPT_FLA << 
415                     OUTPUT=$(HOST_BUILD_DIR)/l << 
416                     CC="$(HOSTCC)" LD="$(HOSTL << 
417                     DESTDIR=$(HOST_SCRATCH_DIR << 
418 endif                                          << 
419                                                << 
420 # vmlinux.h is first dumped to a temprorary fi << 
421 # the previous version. This helps to avoid un << 
422 # $(TRUNNER_BPF_OBJS)                          << 
423 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPF << 
424 ifeq ($(VMLINUX_H),)                           << 
425         $(call msg,GEN,,$@)                    << 
426         $(Q)$(BPFTOOL) btf dump file $(VMLINUX << 
427         $(Q)cmp -s $(INCLUDE_DIR)/.vmlinux.h.t << 
428 else                                           << 
429         $(call msg,CP,,$@)                     << 
430         $(Q)cp "$(VMLINUX_H)" $@               << 
431 endif                                          << 
432                                                << 
433 $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUI << 
434                        $(TOOLSDIR)/bpf/resolve << 
435                        $(TOOLSDIR)/lib/rbtree. << 
436                        $(TOOLSDIR)/lib/zalloc. << 
437                        $(TOOLSDIR)/lib/string. << 
438                        $(TOOLSDIR)/lib/ctype.c << 
439                        $(TOOLSDIR)/lib/str_err << 
440         $(Q)$(MAKE) $(submake_extras) -C $(TOO << 
441                 CC="$(HOSTCC)" LD="$(HOSTLD)"  << 
442                 LIBBPF_INCLUDE=$(HOST_INCLUDE_ << 
443                 OUTPUT=$(HOST_BUILD_DIR)/resol << 
444                                                   173 
445 # Get Clang's default includes on this system,    174 # Get Clang's default includes on this system, as opposed to those seen by
446 # '--target=bpf'. This fixes "missing" files o !! 175 # '-target bpf'. This fixes "missing" files on some architectures/distros,
447 # such as asm/byteorder.h, asm/socket.h, asm/s    176 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
448 #                                                 177 #
449 # Use '-idirafter': Don't interfere with inclu    178 # Use '-idirafter': Don't interfere with include mechanics except where the
450 # build would have failed anyways.                179 # build would have failed anyways.
451 define get_sys_includes                           180 define get_sys_includes
452 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \    !! 181 $(shell $(1) -v -E - </dev/null 2>&1 \
453         | sed -n '/<...> search starts here:/, !! 182         | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }')
454 $(shell $(1) $(2) -dM -E - </dev/null | grep ' << 
455 $(shell $(1) $(2) -dM -E - </dev/null | grep ' << 
456 $(shell $(1) $(2) -dM -E - </dev/null | grep - << 
457 endef                                             183 endef
458                                                   184 
459 # Determine target endianness.                    185 # Determine target endianness.
460 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </de    186 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
461                         grep 'define __BYTE_OR    187                         grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__')
462 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endi    188 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
463                                                   189 
464 ifneq ($(CROSS_COMPILE),)                      !! 190 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG))
465 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_ !! 191 BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN)                   \
466 endif                                          !! 192              -I$(INCLUDE_DIR) -I$(CURDIR) -I$(CURDIR)/include/uapi      \
                                                   >> 193              -I$(APIDIR) -I$(abspath $(OUTPUT)/../usr/include)
467                                                   194 
468 CLANG_SYS_INCLUDES = $(call get_sys_includes,$ !! 195 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
469 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_ !! 196                -Wno-compare-distinct-pointer-types
470              -I$(INCLUDE_DIR) -I$(CURDIR) -I$( << 
471              -I$(abspath $(OUTPUT)/../usr/incl << 
472              -Wno-compare-distinct-pointer-typ << 
473 # TODO: enable me -Wsign-compare               << 
474                                                << 
475 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES)           << 
476                                                   197 
477 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS +=     198 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
478 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -    199 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
479                                                   200 
480 $(OUTPUT)/flow_dissector_load.o: flow_dissecto    201 $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
481 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup << 
482                                                   202 
483 # Build BPF object using Clang                    203 # Build BPF object using Clang
484 # $1 - input .c file                              204 # $1 - input .c file
485 # $2 - output .o file                             205 # $2 - output .o file
486 # $3 - CFLAGS                                     206 # $3 - CFLAGS
487 # $4 - binary name                             !! 207 # $4 - LDFLAGS
488 define CLANG_BPF_BUILD_RULE                       208 define CLANG_BPF_BUILD_RULE
489         $(call msg,CLNG-BPF,$4,$2)             !! 209         $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2)
490         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 !! 210         ($(CLANG) $3 -O2 -target bpf -emit-llvm                         \
                                                   >> 211                 -c $1 -o - || echo "BPF obj compilation failed") |      \
                                                   >> 212         $(LLC) -mattr=dwarfris -march=bpf -mcpu=probe $4 -filetype=obj -o $2
491 endef                                             213 endef
492 # Similar to CLANG_BPF_BUILD_RULE, but with di    214 # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32
493 define CLANG_NOALU32_BPF_BUILD_RULE               215 define CLANG_NOALU32_BPF_BUILD_RULE
494         $(call msg,CLNG-BPF,$4,$2)             !! 216         $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2)
495         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 !! 217         ($(CLANG) $3 -O2 -target bpf -emit-llvm                         \
                                                   >> 218                 -c $1 -o - || echo "BPF obj compilation failed") |      \
                                                   >> 219         $(LLC) -march=bpf -mcpu=v2 $4 -filetype=obj -o $2
496 endef                                             220 endef
497 # Similar to CLANG_BPF_BUILD_RULE, but with cp !! 221 # Similar to CLANG_BPF_BUILD_RULE, but using native Clang and bpf LLC
498 define CLANG_CPUV4_BPF_BUILD_RULE              !! 222 define CLANG_NATIVE_BPF_BUILD_RULE
499         $(call msg,CLNG-BPF,$4,$2)             !! 223         $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
500         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 !! 224         ($(CLANG) $3 -O2 -emit-llvm                                     \
                                                   >> 225                 -c $1 -o - || echo "BPF obj compilation failed") |      \
                                                   >> 226         $(LLC) -march=bpf -mcpu=probe $4 -filetype=obj -o $2
501 endef                                             227 endef
502 # Build BPF object using GCC                      228 # Build BPF object using GCC
503 define GCC_BPF_BUILD_RULE                         229 define GCC_BPF_BUILD_RULE
504         $(call msg,GCC-BPF,$4,$2)              !! 230         $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2)
505         $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_AC !! 231         $(BPF_GCC) $3 $4 -O2 -c $1 -o $2
506 endef                                             232 endef
507                                                   233 
508 SKEL_BLACKLIST := btf__% test_pinning_invalid. !! 234 SKEL_BLACKLIST := btf__% test_pinning_invalid.c
509                                                << 
510 LINKED_SKELS := test_static_linked.skel.h link << 
511                 linked_vars.skel.h linked_maps << 
512                 test_subskeleton.skel.h test_s << 
513                 test_usdt.skel.h               << 
514                                                << 
515 LSKELS := fentry_test.c fexit_test.c fexit_sle << 
516         trace_printk.c trace_vprintk.c map_ptr << 
517         core_kern.c core_kern_overflow.c test_ << 
518         test_ringbuf_n.c test_ringbuf_map_key. << 
519                                                << 
520 # Generate both light skeleton and libbpf skel << 
521 LSKELS_EXTRA := test_ksyms_module.c test_ksyms << 
522         kfunc_call_test_subprog.c              << 
523 SKEL_BLACKLIST += $$(LSKELS)                   << 
524                                                << 
525 test_static_linked.skel.h-deps := test_static_ << 
526 linked_funcs.skel.h-deps := linked_funcs1.bpf. << 
527 linked_vars.skel.h-deps := linked_vars1.bpf.o  << 
528 linked_maps.skel.h-deps := linked_maps1.bpf.o  << 
529 # In the subskeleton case, we want the test_su << 
530 # but that's created as a side-effect of the s << 
531 test_subskeleton.skel.h-deps := test_subskelet << 
532 test_subskeleton_lib.skel.h-deps := test_subsk << 
533 test_usdt.skel.h-deps := test_usdt.bpf.o test_ << 
534 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf << 
535 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata << 
536 xdp_features.skel.h-deps := xdp_features.bpf.o << 
537                                                << 
538 LINKED_BPF_OBJS := $(foreach skel,$(LINKED_SKE << 
539 LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(LI << 
540                                                << 
541 HEADERS_FOR_BPF_OBJS := $(wildcard $(BPFDIR)/* << 
542                         $(addprefix $(BPFDIR)/ << 
543                                                << 
544                                                << 
545                                                << 
546                                                   235 
547 # Set up extra TRUNNER_XXX "temporary" variabl    236 # Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on
548 # $eval()) and pass control to DEFINE_TEST_RUN    237 # $eval()) and pass control to DEFINE_TEST_RUNNER_RULES.
549 # Parameters:                                     238 # Parameters:
550 # $1 - test runner base binary name (e.g., tes    239 # $1 - test runner base binary name (e.g., test_progs)
551 # $2 - test runner extra "flavor" (e.g., no_al !! 240 # $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
552 define DEFINE_TEST_RUNNER                         241 define DEFINE_TEST_RUNNER
553                                                   242 
554 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2           243 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2
555 TRUNNER_BINARY := $1$(if $2,-)$2                  244 TRUNNER_BINARY := $1$(if $2,-)$2
556 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNE    245 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o,       \
557                                  $$(notdir $$(    246                                  $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c)))
558 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNN    247 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o,           \
559                                  $$(filter %.c    248                                  $$(filter %.c,$(TRUNNER_EXTRA_SOURCES)))
560 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_    249 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES))
561 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/test    250 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h
562 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TR    251 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c))
563 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER !! 252 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS))
564 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNE    253 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h,       \
565                                  $$(filter-out !! 254                                  $$(filter-out $(SKEL_BLACKLIST),       \
566                                                   255                                                $$(TRUNNER_BPF_SRCS)))
567 TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNN << 
568 TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TR << 
569 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)         << 
570                                                   256 
571 # Evaluate rules now with extra TRUNNER_XXX va    257 # Evaluate rules now with extra TRUNNER_XXX variables above already defined
572 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2    258 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2))
573                                                   259 
574 endef                                             260 endef
575                                                   261 
576 # Using TRUNNER_XXX variables, provided by cal    262 # Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and
577 # set up by DEFINE_TEST_RUNNER itself, create     263 # set up by DEFINE_TEST_RUNNER itself, create test runner build rules with:
578 # $1 - test runner base binary name (e.g., tes    264 # $1 - test runner base binary name (e.g., test_progs)
579 # $2 - test runner extra "flavor" (e.g., no_al !! 265 # $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
580 define DEFINE_TEST_RUNNER_RULES                   266 define DEFINE_TEST_RUNNER_RULES
581                                                   267 
582 ifeq ($($(TRUNNER_OUTPUT)-dir),)                  268 ifeq ($($(TRUNNER_OUTPUT)-dir),)
583 $(TRUNNER_OUTPUT)-dir := y                        269 $(TRUNNER_OUTPUT)-dir := y
584 $(TRUNNER_OUTPUT):                                270 $(TRUNNER_OUTPUT):
585         $$(call msg,MKDIR,,$$@)                   271         $$(call msg,MKDIR,,$$@)
586         $(Q)mkdir -p $$@                       !! 272         mkdir -p $$@
587 endif                                             273 endif
588                                                   274 
589 # ensure we set up BPF objects generation rule    275 # ensure we set up BPF objects generation rule just once for a given
590 # input/output directory combination              276 # input/output directory combination
591 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-b    277 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),)
592 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs :    278 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y
593 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o !! 279 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o:                             \
594                      $(TRUNNER_BPF_PROGS_DIR)/    280                      $(TRUNNER_BPF_PROGS_DIR)/%.c                       \
595                      $(TRUNNER_BPF_PROGS_DIR)/    281                      $(TRUNNER_BPF_PROGS_DIR)/*.h                       \
596                      $$(INCLUDE_DIR)/vmlinux.h !! 282                      $$(BPFOBJ) | $(TRUNNER_OUTPUT)
597                      $(HEADERS_FOR_BPF_OBJS)   << 
598                      | $(TRUNNER_OUTPUT) $$(BP << 
599         $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,    283         $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@,                      \
600                                           $(TR !! 284                                           $(TRUNNER_BPF_CFLAGS),        \
601                                           $$($ !! 285                                           $(TRUNNER_BPF_LDFLAGS))
602                                           $$($ << 
603                                                   286 
604 $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFT !! 287 $(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h:                       \
                                                   >> 288                       $(TRUNNER_OUTPUT)/%.o                             \
                                                   >> 289                       | $(BPFTOOL) $(TRUNNER_OUTPUT)
605         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY)    290         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
606         $(Q)$$(BPFTOOL) gen object $$(<:.o=.li !! 291         $$(BPFTOOL) gen skeleton $$< > $$@
607         $(Q)$$(BPFTOOL) gen object $$(<:.o=.li << 
608         $(Q)$$(BPFTOOL) gen object $$(<:.o=.li << 
609         $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=. << 
610         $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=. << 
611         $(Q)$$(BPFTOOL) gen subskeleton $$(<:. << 
612         $(Q)rm -f $$(<:.o=.linked1.o) $$(<:.o= << 
613                                                << 
614 $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BP << 
615         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) << 
616         $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll << 
617         $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll << 
618         $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll << 
619         $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o= << 
620         $(Q)$$(BPFTOOL) gen skeleton -L $$(<:. << 
621         $(Q)rm -f $$(<:.o=.llinked1.o) $$(<:.o << 
622                                                << 
623 $(LINKED_BPF_OBJS): %: $(TRUNNER_OUTPUT)/%     << 
624                                                << 
625 # .SECONDEXPANSION here allows to correctly ex << 
626 .SECONDEXPANSION:                              << 
627 $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_OUTPUT) << 
628         $$(call msg,LINK-BPF,$(TRUNNER_BINARY) << 
629         $(Q)$$(BPFTOOL) gen object $$(@:.skel. << 
630         $(Q)$$(BPFTOOL) gen object $$(@:.skel. << 
631         $(Q)$$(BPFTOOL) gen object $$(@:.skel. << 
632         $(Q)diff $$(@:.skel.h=.linked2.o) $$(@ << 
633         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) << 
634         $(Q)$$(BPFTOOL) gen skeleton $$(@:.ske << 
635         $(Q)$$(BPFTOOL) gen subskeleton $$(@:. << 
636         $(Q)rm -f $$(@:.skel.h=.linked1.o) $$( << 
637                                                << 
638 # When the compiler generates a %.d file, only << 
639 # full paths) are specified as prerequisites f << 
640 # file. This target makes %.skel.h basename de << 
641 # linking generated %.d dependency with actual << 
642 $(notdir %.skel.h): $(TRUNNER_OUTPUT)/%.skel.h << 
643         @true                                  << 
644                                                << 
645 endif                                             292 endif
646                                                   293 
647 # ensure we set up tests.h header generation r    294 # ensure we set up tests.h header generation rule just once
648 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)         295 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
649 $(TRUNNER_TESTS_DIR)-tests-hdr := y               296 $(TRUNNER_TESTS_DIR)-tests-hdr := y
650 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c    297 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c
651         $$(call msg,TEST-HDR,$(TRUNNER_BINARY)    298         $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@)
652         $$(shell (echo '/* Generated header, d !! 299         $$(shell ( cd $(TRUNNER_TESTS_DIR);                             \
653                   sed -n -E 's/^void (serial_) !! 300                   echo '/* Generated header, do not edit */';           \
654                         $(TRUNNER_TESTS_DIR)/* !! 301                   ls *.c 2> /dev/null |                                 \
                                                   >> 302                         sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@';      \
655                  ) > $$@)                         303                  ) > $$@)
656 endif                                             304 endif
657                                                   305 
658 # compile individual test files                   306 # compile individual test files
659 # Note: we cd into output directory to ensure     307 # Note: we cd into output directory to ensure embedded BPF object is found
660 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test    308 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o:                       \
661                       $(TRUNNER_TESTS_DIR)/%.c    309                       $(TRUNNER_TESTS_DIR)/%.c                          \
662                       | $(TRUNNER_OUTPUT)/%.te !! 310                       $(TRUNNER_EXTRA_HDRS)                             \
                                                   >> 311                       $(TRUNNER_BPF_OBJS)                               \
                                                   >> 312                       $(TRUNNER_BPF_SKELS)                              \
                                                   >> 313                       $$(BPFOBJ) | $(TRUNNER_OUTPUT)
663         $$(call msg,TEST-OBJ,$(TRUNNER_BINARY)    314         $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
664         $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) !! 315         cd $$(@D) && $$(CC) $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
665                                                << 
666 $(TRUNNER_TEST_OBJS:.o=.d): $(TRUNNER_OUTPUT)/ << 
667                             $(TRUNNER_TESTS_DI << 
668                             $(TRUNNER_EXTRA_HD << 
669                             $(TRUNNER_BPF_SKEL << 
670                             $(TRUNNER_BPF_LSKE << 
671                             $(TRUNNER_BPF_SKEL << 
672                             $$(BPFOBJ) | $(TRU << 
673                                                << 
674 ifeq ($(filter clean docs-clean,$(MAKECMDGOALS << 
675 include $(wildcard $(TRUNNER_TEST_OBJS:.o=.d)) << 
676 endif                                          << 
677                                                << 
678 # add per extra obj CFGLAGS definitions        << 
679 $(foreach N,$(patsubst $(TRUNNER_OUTPUT)/%.o,% << 
680         $(eval $(TRUNNER_OUTPUT)/$(N).o: CFLAG << 
681                                                   316 
682 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o:     317 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o:                           \
683                        %.c                        318                        %.c                                              \
684                        $(TRUNNER_EXTRA_HDRS)      319                        $(TRUNNER_EXTRA_HDRS)                            \
685                        $(TRUNNER_TESTS_HDR)       320                        $(TRUNNER_TESTS_HDR)                             \
686                        $$(BPFOBJ) | $(TRUNNER_    321                        $$(BPFOBJ) | $(TRUNNER_OUTPUT)
687         $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),    322         $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
688         $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS !! 323         $$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
689                                                   324 
690 # non-flavored in-srctree builds receive speci !! 325 # only copy extra resources if in flavored build
691 # do not need to copy extra resources (see e.g << 
692 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILE    326 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
693 ifneq ($2:$(OUTPUT),:$(shell pwd))             !! 327 ifneq ($2,)
694         $$(call msg,EXT-COPY,$(TRUNNER_BINARY)    328         $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
695         $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/   !! 329         cp -a $$^ $(TRUNNER_OUTPUT)/
696 endif                                             330 endif
697                                                   331 
698 $(OUTPUT)/$(TRUNNER_BINARY): LDLIBS += $$(LLVM << 
699 $(OUTPUT)/$(TRUNNER_BINARY): LDFLAGS += $$(LLV << 
700                                                << 
701 # some X.test.o files have runtime dependencie << 
702 $(OUTPUT)/$(TRUNNER_BINARY): | $(TRUNNER_BPF_O << 
703                                                << 
704 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OB    332 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS)                       \
705                              $(TRUNNER_EXTRA_O    333                              $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ)           \
706                              $(RESOLVE_BTFIDS) << 
707                              $(TRUNNER_BPFTOOL << 
708                              | $(TRUNNER_BINAR    334                              | $(TRUNNER_BINARY)-extras
709         $$(call msg,BINARY,,$$@)                  335         $$(call msg,BINARY,,$$@)
710         $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %. !! 336         $$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@
711         $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_ << 
712         $(Q)ln -sf $(if $2,..,.)/tools/build/b << 
713                    $(OUTPUT)/$(if $2,$2/)bpfto << 
714                                                   337 
715 endef                                             338 endef
716                                                   339 
717 # Define test_progs test runner.                  340 # Define test_progs test runner.
718 TRUNNER_TESTS_DIR := prog_tests                   341 TRUNNER_TESTS_DIR := prog_tests
719 TRUNNER_BPF_PROGS_DIR := progs                    342 TRUNNER_BPF_PROGS_DIR := progs
720 TRUNNER_EXTRA_SOURCES := test_progs.c          !! 343 TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c  \
721                          cgroup_helpers.c      !! 344                          flow_dissector_load.h
722                          trace_helpers.c       !! 345 TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read                           \
723                          network_helpers.c     !! 346                        $(wildcard progs/btf_dump_test_case_*.c)
724                          testing_helpers.c     << 
725                          btf_helpers.c         << 
726                          cap_helpers.c         << 
727                          unpriv_helpers.c      << 
728                          netlink_helpers.c     << 
729                          jit_disasm_helpers.c  << 
730                          test_loader.c         << 
731                          xsk.c                 << 
732                          disasm.c              << 
733                          disasm_helpers.c      << 
734                          json_writer.c         << 
735                          flow_dissector_load.h << 
736                          ip_check_defrag_frags << 
737 TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read  << 
738                        $(OUTPUT)/bpf_test_no_c << 
739                        $(OUTPUT)/bpf_test_modo << 
740                        $(OUTPUT)/bpf_test_modo << 
741                        $(OUTPUT)/liburandom_re << 
742                        $(OUTPUT)/xdp_synproxy  << 
743                        $(OUTPUT)/sign-file     << 
744                        $(OUTPUT)/uprobe_multi  << 
745                        ima_setup.sh            << 
746                        verify_sig_setup.sh     << 
747                        $(wildcard progs/btf_du << 
748                        $(wildcard progs/*.bpf. << 
749 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE    347 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
750 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF !! 348 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
                                                   >> 349 TRUNNER_BPF_LDFLAGS := -mattr=+alu32
751 $(eval $(call DEFINE_TEST_RUNNER,test_progs))     350 $(eval $(call DEFINE_TEST_RUNNER,test_progs))
752                                                   351 
753 # Define test_progs-no_alu32 test runner.         352 # Define test_progs-no_alu32 test runner.
754 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BU    353 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE
755 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF !! 354 TRUNNER_BPF_LDFLAGS :=
756 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no    355 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32))
757                                                   356 
758 # Define test_progs-cpuv4 test runner.         << 
759 ifneq ($(CLANG_CPUV4),)                        << 
760 TRUNNER_BPF_BUILD_RULE := CLANG_CPUV4_BPF_BUIL << 
761 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF << 
762 $(eval $(call DEFINE_TEST_RUNNER,test_progs,cp << 
763 endif                                          << 
764                                                << 
765 # Define test_progs BPF-GCC-flavored test runn    357 # Define test_progs BPF-GCC-flavored test runner.
766 ifneq ($(BPF_GCC),)                               358 ifneq ($(BPF_GCC),)
767 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE      359 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE
768 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get !! 360 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc)
                                                   >> 361 TRUNNER_BPF_LDFLAGS :=
769 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bp    362 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc))
770 endif                                             363 endif
771                                                   364 
772 # Define test_maps test runner.                   365 # Define test_maps test runner.
773 TRUNNER_TESTS_DIR := map_tests                    366 TRUNNER_TESTS_DIR := map_tests
774 TRUNNER_BPF_PROGS_DIR := progs                    367 TRUNNER_BPF_PROGS_DIR := progs
775 TRUNNER_EXTRA_SOURCES := test_maps.c              368 TRUNNER_EXTRA_SOURCES := test_maps.c
776 TRUNNER_EXTRA_FILES :=                            369 TRUNNER_EXTRA_FILES :=
777 TRUNNER_BPF_BUILD_RULE := $$(error no BPF obje    370 TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built)
778 TRUNNER_BPF_CFLAGS :=                             371 TRUNNER_BPF_CFLAGS :=
                                                   >> 372 TRUNNER_BPF_LDFLAGS :=
779 $(eval $(call DEFINE_TEST_RUNNER,test_maps))      373 $(eval $(call DEFINE_TEST_RUNNER,test_maps))
780                                                   374 
781 # Define test_verifier test runner.               375 # Define test_verifier test runner.
782 # It is much simpler than test_maps/test_progs    376 # It is much simpler than test_maps/test_progs and sufficiently different from
783 # them (e.g., test.h is using completely patte    377 # them (e.g., test.h is using completely pattern), that it's worth just
784 # explicitly defining all the rules explicitly    378 # explicitly defining all the rules explicitly.
785 verifier/tests.h: verifier/*.c                    379 verifier/tests.h: verifier/*.c
786         $(shell ( cd verifier/; \                 380         $(shell ( cd verifier/; \
787                   echo '/* Generated header, d    381                   echo '/* Generated header, do not edit */'; \
788                   echo '#ifdef FILL_ARRAY'; \     382                   echo '#ifdef FILL_ARRAY'; \
789                   ls *.c 2> /dev/null | sed -e    383                   ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \
790                   echo '#endif' \                 384                   echo '#endif' \
791                 ) > verifier/tests.h)             385                 ) > verifier/tests.h)
792 $(OUTPUT)/test_verifier: test_verifier.c verif    386 $(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT)
793         $(call msg,BINARY,,$@)                    387         $(call msg,BINARY,,$@)
794         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % !! 388         $(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
795                                                << 
796 # Include find_bit.c to compile xskxceiver.    << 
797 EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c        << 
798 $(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver. << 
799         $(call msg,BINARY,,$@)                 << 
800         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % << 
801                                                << 
802 $(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $ << 
803         $(call msg,BINARY,,$@)                 << 
804         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % << 
805                                                << 
806 $(OUTPUT)/xdp_features: xdp_features.c $(OUTPU << 
807         $(call msg,BINARY,,$@)                 << 
808         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % << 
809                                                   389 
810 # Make sure we are able to include and link li    390 # Make sure we are able to include and link libbpf against c++.
811 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/tes    391 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ)
812         $(call msg,CXX,,$@)                       392         $(call msg,CXX,,$@)
813         $(Q)$(CXX) $(subst -D_GNU_SOURCE=,,$(C !! 393         $(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@
814                                                   394 
815 # Benchmark runner                             !! 395 EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR)                      \
816 $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h  << 
817         $(call msg,CC,,$@)                     << 
818         $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %. << 
819 $(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overh << 
820 $(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_b << 
821 $(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_ << 
822                             $(OUTPUT)/perfbuf_ << 
823 $(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/ << 
824 $(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop << 
825 $(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_b << 
826 $(OUTPUT)/bench_bpf_hashmap_full_update.o: $(O << 
827 $(OUTPUT)/bench_local_storage.o: $(OUTPUT)/loc << 
828 $(OUTPUT)/bench_local_storage_rcu_tasks_trace. << 
829 $(OUTPUT)/bench_local_storage_create.o: $(OUTP << 
830 $(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT << 
831 $(OUTPUT)/bench_htab_mem.o: $(OUTPUT)/htab_mem << 
832 $(OUTPUT)/bench_bpf_crypto.o: $(OUTPUT)/crypto << 
833 $(OUTPUT)/bench.o: bench.h testing_helpers.h $ << 
834 $(OUTPUT)/bench: LDLIBS += -lm                 << 
835 $(OUTPUT)/bench: $(OUTPUT)/bench.o \           << 
836                  $(TESTING_HELPERS) \          << 
837                  $(TRACE_HELPERS) \            << 
838                  $(CGROUP_HELPERS) \           << 
839                  $(OUTPUT)/bench_count.o \     << 
840                  $(OUTPUT)/bench_rename.o \    << 
841                  $(OUTPUT)/bench_trigger.o \   << 
842                  $(OUTPUT)/bench_ringbufs.o \  << 
843                  $(OUTPUT)/bench_bloom_filter_ << 
844                  $(OUTPUT)/bench_bpf_loop.o \  << 
845                  $(OUTPUT)/bench_strncmp.o \   << 
846                  $(OUTPUT)/bench_bpf_hashmap_f << 
847                  $(OUTPUT)/bench_local_storage << 
848                  $(OUTPUT)/bench_local_storage << 
849                  $(OUTPUT)/bench_bpf_hashmap_l << 
850                  $(OUTPUT)/bench_local_storage << 
851                  $(OUTPUT)/bench_htab_mem.o \  << 
852                  $(OUTPUT)/bench_bpf_crypto.o  << 
853                  #                             << 
854         $(call msg,BINARY,,$@)                 << 
855         $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte << 
856                                                << 
857 $(OUTPUT)/veristat.o: $(BPFOBJ)                << 
858 $(OUTPUT)/veristat: $(OUTPUT)/veristat.o       << 
859         $(call msg,BINARY,,$@)                 << 
860         $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte << 
861                                                << 
862 # Linking uprobe_multi can fail due to relocat << 
863 $(OUTPUT)/uprobe_multi: CFLAGS += $(if $(filte << 
864 $(OUTPUT)/uprobe_multi: uprobe_multi.c uprobe_ << 
865         $(call msg,BINARY,,$@)                 << 
866         $(Q)$(CC) $(CFLAGS) -Wl,-T,uprobe_mult << 
867                 $(filter-out %.ld,$^) $(LDLIBS << 
868                                                << 
869 EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_D << 
870         prog_tests/tests.h map_tests/tests.h v    396         prog_tests/tests.h map_tests/tests.h verifier/tests.h           \
871         feature bpftool                        !! 397         feature                                                         \
872         $(addprefix $(OUTPUT)/,*.o *.d *.skel. !! 398         $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32 bpf_gcc)
873                                no_alu32 cpuv4  << 
874                                bpf_test_no_cfi << 
875                                bpf_test_modord << 
876                                bpf_test_modord << 
877                                liburandom_read << 
878         $(OUTPUT)/FEATURE-DUMP.selftests       << 
879                                                << 
880 .PHONY: docs docs-clean                        << 
881                                                << 
882 # Delete partially updated (corrupted) files o << 
883 .DELETE_ON_ERROR:                              << 
884                                                << 
885 DEFAULT_INSTALL_RULE := $(INSTALL_RULE)        << 
886 override define INSTALL_RULE                   << 
887         $(DEFAULT_INSTALL_RULE)                << 
888         @for DIR in $(TEST_INST_SUBDIRS); do   << 
889                 mkdir -p $(INSTALL_PATH)/$$DIR << 
890                 rsync -a $(OUTPUT)/$$DIR/*.bpf << 
891         done                                   << 
892 endef                                          << 
                                                      

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