1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 include ../../../build/Build.include 2 include ../../../build/Build.include
3 include ../../../scripts/Makefile.arch 3 include ../../../scripts/Makefile.arch
4 include ../../../scripts/Makefile.include 4 include ../../../scripts/Makefile.include
5 5
6 CXX ?= $(CROSS_COMPILE)g++ 6 CXX ?= $(CROSS_COMPILE)g++
7 7
8 CURDIR := $(abspath .) 8 CURDIR := $(abspath .)
9 TOOLSDIR := $(abspath ../../..) 9 TOOLSDIR := $(abspath ../../..)
10 LIBDIR := $(TOOLSDIR)/lib 10 LIBDIR := $(TOOLSDIR)/lib
11 BPFDIR := $(LIBDIR)/bpf 11 BPFDIR := $(LIBDIR)/bpf
12 TOOLSINCDIR := $(TOOLSDIR)/include 12 TOOLSINCDIR := $(TOOLSDIR)/include
13 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool 13 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool
14 APIDIR := $(TOOLSINCDIR)/uapi 14 APIDIR := $(TOOLSINCDIR)/uapi
15 ifneq ($(O),) <<
16 GENDIR := $(O)/include/generated <<
17 else <<
18 GENDIR := $(abspath ../../../../include/genera 15 GENDIR := $(abspath ../../../../include/generated)
19 endif <<
20 GENHDR := $(GENDIR)/autoconf.h 16 GENHDR := $(GENDIR)/autoconf.h
21 PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config !! 17 HOSTPKG_CONFIG := pkg-config
22 18
23 ifneq ($(wildcard $(GENHDR)),) 19 ifneq ($(wildcard $(GENHDR)),)
24 GENFLAGS := -DHAVE_GENHDR 20 GENFLAGS := -DHAVE_GENHDR
25 endif 21 endif
26 22
27 BPF_GCC ?= $(shell command -v bpf-gcc; 23 BPF_GCC ?= $(shell command -v bpf-gcc;)
28 SAN_CFLAGS ?= 24 SAN_CFLAGS ?=
29 SAN_LDFLAGS ?= $(SAN_CFLAGS) 25 SAN_LDFLAGS ?= $(SAN_CFLAGS)
30 RELEASE ?= !! 26 CFLAGS += -g -O0 -rdynamic -Wall -Werror $(GENFLAGS) $(SAN_CFLAGS) \
31 OPT_FLAGS ?= $(if $(RELEASE),-O2,-O0) <<
32 <<
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 27 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \
47 -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUT 28 -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT)
48 LDFLAGS += $(SAN_LDFLAGS) 29 LDFLAGS += $(SAN_LDFLAGS)
49 LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread !! 30 LDLIBS += -lelf -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 = $(LLVM_CFLAGS) <<
73 31
74 ifneq ($(LLVM),) <<
75 # Silence some warnings when compiled with cla 32 # Silence some warnings when compiled with clang
>> 33 ifneq ($(LLVM),)
76 CFLAGS += -Wno-unused-command-line-argument 34 CFLAGS += -Wno-unused-command-line-argument
77 endif 35 endif
78 36
79 # Check whether bpf cpu=v4 is supported or not <<
80 ifneq ($(shell $(CLANG) --target=bpf -mcpu=hel <<
81 CLANG_CPUV4 := 1 <<
82 endif <<
83 <<
84 # Order correspond to 'make run_tests' order 37 # Order correspond to 'make run_tests' order
85 TEST_GEN_PROGS = test_verifier test_tag test_m 38 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
86 test_sock test_sockmap \ !! 39 test_dev_cgroup \
>> 40 test_sock test_sockmap get_cgroup_id_user \
>> 41 test_cgroup_storage \
87 test_tcpnotify_user test_sysctl \ 42 test_tcpnotify_user test_sysctl \
88 test_progs-no_alu32 43 test_progs-no_alu32
89 TEST_INST_SUBDIRS := no_alu32 <<
90 44
91 # Also test bpf-gcc, if present 45 # Also test bpf-gcc, if present
92 ifneq ($(BPF_GCC),) 46 ifneq ($(BPF_GCC),)
93 TEST_GEN_PROGS += test_progs-bpf_gcc 47 TEST_GEN_PROGS += test_progs-bpf_gcc
94 TEST_INST_SUBDIRS += bpf_gcc <<
95 <<
96 # The following tests contain C code that, alt <<
97 # triggers GCC warnings that cannot be disable <<
98 # anonymous struct types in function parameter <<
99 progs/btf_dump_test_case_bitfields.c-bpf_gcc-C <<
100 progs/btf_dump_test_case_namespacing.c-bpf_gcc <<
101 progs/btf_dump_test_case_packing.c-bpf_gcc-CFL <<
102 progs/btf_dump_test_case_padding.c-bpf_gcc-CFL <<
103 progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLA <<
104 <<
105 # The following tests do type-punning, via the <<
106 # `struct bpf_insn' to long and then uses the <<
107 # "is used uninitialized" warning in GCC due t <<
108 # rules. <<
109 progs/verifier_ref_tracking.c-bpf_gcc-CFLAGS : <<
110 progs/verifier_unpriv.c-bpf_gcc-CFLAGS := -fno <<
111 progs/verifier_cgroup_storage.c-bpf_gcc-CFLAGS <<
112 progs/verifier_ld_ind.c-bpf_gcc-CFLAGS := -fno <<
113 progs/verifier_map_ret_val.c-bpf_gcc-CFLAGS := <<
114 progs/verifier_spill_fill.c-bpf_gcc-CFLAGS := <<
115 progs/verifier_subprog_precision.c-bpf_gcc-CFL <<
116 progs/verifier_uninit.c-bpf_gcc-CFLAGS := -fno <<
117 endif <<
118 <<
119 ifneq ($(CLANG_CPUV4),) <<
120 TEST_GEN_PROGS += test_progs-cpuv4 <<
121 TEST_INST_SUBDIRS += cpuv4 <<
122 endif 48 endif
123 49
124 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_ 50 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_tc_edt.bpf.o
125 TEST_FILES = xsk_prereqs.sh $(wildcard progs/b 51 TEST_FILES = xsk_prereqs.sh $(wildcard progs/btf_dump_test_case_*.c)
126 52
127 # Order correspond to 'make run_tests' order 53 # Order correspond to 'make run_tests' order
128 TEST_PROGS := test_kmod.sh \ 54 TEST_PROGS := test_kmod.sh \
129 test_xdp_redirect.sh \ 55 test_xdp_redirect.sh \
130 test_xdp_redirect_multi.sh \ 56 test_xdp_redirect_multi.sh \
131 test_xdp_meta.sh \ 57 test_xdp_meta.sh \
>> 58 test_xdp_veth.sh \
>> 59 test_offload.py \
>> 60 test_sock_addr.sh \
132 test_tunnel.sh \ 61 test_tunnel.sh \
133 test_lwt_seg6local.sh \ 62 test_lwt_seg6local.sh \
134 test_lirc_mode2.sh \ 63 test_lirc_mode2.sh \
135 test_skb_cgroup_id.sh \ 64 test_skb_cgroup_id.sh \
136 test_flow_dissector.sh \ 65 test_flow_dissector.sh \
137 test_xdp_vlan_mode_generic.sh \ 66 test_xdp_vlan_mode_generic.sh \
138 test_xdp_vlan_mode_native.sh \ 67 test_xdp_vlan_mode_native.sh \
139 test_lwt_ip_encap.sh \ 68 test_lwt_ip_encap.sh \
140 test_tcp_check_syncookie.sh \ 69 test_tcp_check_syncookie.sh \
141 test_tc_tunnel.sh \ 70 test_tc_tunnel.sh \
142 test_tc_edt.sh \ 71 test_tc_edt.sh \
143 test_xdping.sh \ 72 test_xdping.sh \
144 test_bpftool_build.sh \ 73 test_bpftool_build.sh \
145 test_bpftool.sh \ 74 test_bpftool.sh \
146 test_bpftool_metadata.sh \ 75 test_bpftool_metadata.sh \
147 test_doc_build.sh \ 76 test_doc_build.sh \
148 test_xsk.sh \ 77 test_xsk.sh \
149 test_xdp_features.sh 78 test_xdp_features.sh
150 79
151 TEST_PROGS_EXTENDED := with_addr.sh \ 80 TEST_PROGS_EXTENDED := with_addr.sh \
152 with_tunnels.sh ima_setup.sh verify_si 81 with_tunnels.sh ima_setup.sh verify_sig_setup.sh \
153 test_xdp_vlan.sh test_bpftool.py 82 test_xdp_vlan.sh test_bpftool.py
154 83
155 # Compile but not part of 'make run_tests' 84 # Compile but not part of 'make run_tests'
156 TEST_GEN_PROGS_EXTENDED = \ !! 85 TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \
157 flow_dissector_load test_flow_dissecto 86 flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
158 test_lirc_mode2_user xdping test_cpp r 87 test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \
159 xskxceiver xdp_redirect_multi xdp_synp 88 xskxceiver xdp_redirect_multi xdp_synproxy veristat xdp_hw_metadata \
160 xdp_features bpf_test_no_cfi.ko bpf_te !! 89 xdp_features
161 bpf_test_modorder_y.ko <<
162 90
163 TEST_GEN_FILES += liburandom_read.so urandom_r !! 91 TEST_GEN_FILES += liburandom_read.so urandom_read sign-file
164 92
165 ifneq ($(V),1) !! 93 # Emit succinct information message describing current building step
>> 94 # $1 - generic step name (e.g., CC, LINK, etc);
>> 95 # $2 - optional "flavor" specifier; if provided, will be emitted as [flavor];
>> 96 # $3 - target (assumed to be file); only file name will be emitted;
>> 97 # $4 - optional extra arg, emitted as-is, if provided.
>> 98 ifeq ($(V),1)
>> 99 Q =
>> 100 msg =
>> 101 else
>> 102 Q = @
>> 103 msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))";
>> 104 MAKEFLAGS += --no-print-directory
166 submake_extras := feature_display=0 105 submake_extras := feature_display=0
167 endif 106 endif
168 107
169 # override lib.mk's default rules 108 # override lib.mk's default rules
170 OVERRIDE_TARGETS := 1 109 OVERRIDE_TARGETS := 1
171 override define CLEAN 110 override define CLEAN
172 $(call msg,CLEAN) 111 $(call msg,CLEAN)
173 $(Q)$(RM) -r $(TEST_GEN_PROGS) 112 $(Q)$(RM) -r $(TEST_GEN_PROGS)
174 $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED 113 $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED)
175 $(Q)$(RM) -r $(TEST_GEN_FILES) 114 $(Q)$(RM) -r $(TEST_GEN_FILES)
176 $(Q)$(RM) -r $(EXTRA_CLEAN) 115 $(Q)$(RM) -r $(EXTRA_CLEAN)
177 $(Q)$(MAKE) -C bpf_testmod clean 116 $(Q)$(MAKE) -C bpf_testmod clean
178 $(Q)$(MAKE) docs-clean 117 $(Q)$(MAKE) docs-clean
179 endef 118 endef
180 119
181 include ../lib.mk 120 include ../lib.mk
182 121
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 122 SCRATCH_DIR := $(OUTPUT)/tools
213 BUILD_DIR := $(SCRATCH_DIR)/build 123 BUILD_DIR := $(SCRATCH_DIR)/build
214 INCLUDE_DIR := $(SCRATCH_DIR)/include 124 INCLUDE_DIR := $(SCRATCH_DIR)/include
215 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 125 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a
216 ifneq ($(CROSS_COMPILE),) 126 ifneq ($(CROSS_COMPILE),)
217 HOST_BUILD_DIR := $(BUILD_DIR)/host 127 HOST_BUILD_DIR := $(BUILD_DIR)/host
218 HOST_SCRATCH_DIR := $(OUTPUT)/host-tool 128 HOST_SCRATCH_DIR := $(OUTPUT)/host-tools
219 HOST_INCLUDE_DIR := $(HOST_SCRATCH_DIR) 129 HOST_INCLUDE_DIR := $(HOST_SCRATCH_DIR)/include
220 else 130 else
221 HOST_BUILD_DIR := $(BUILD_DIR) 131 HOST_BUILD_DIR := $(BUILD_DIR)
222 HOST_SCRATCH_DIR := $(SCRATCH_DIR) 132 HOST_SCRATCH_DIR := $(SCRATCH_DIR)
223 HOST_INCLUDE_DIR := $(INCLUDE_DIR) 133 HOST_INCLUDE_DIR := $(INCLUDE_DIR)
224 endif 134 endif
225 HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf 135 HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a
226 RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_bt 136 RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids
227 RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/ 137 RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/
228 138
229 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) 139 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
230 $(if $(KBUILD_OUTPUT),$(K 140 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
231 ../../../../vmlinux 141 ../../../../vmlinux \
232 /sys/kernel/btf/vmlinux 142 /sys/kernel/btf/vmlinux \
233 /boot/vmlinux-$(shell una 143 /boot/vmlinux-$(shell uname -r)
234 VMLINUX_BTF ?= $(abspath $(firstword $(wildcar 144 VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
235 ifeq ($(VMLINUX_BTF),) 145 ifeq ($(VMLINUX_BTF),)
236 $(error Cannot find a vmlinux for VMLINUX_BTF 146 $(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)")
237 endif 147 endif
238 148
239 # Define simple and short `make test_progs`, ` 149 # Define simple and short `make test_progs`, `make test_sysctl`, etc targets
240 # to build individual tests. 150 # to build individual tests.
241 # NOTE: Semicolon at the end is critical to ov 151 # NOTE: Semicolon at the end is critical to override lib.mk's default static
242 # rule for binaries. 152 # rule for binaries.
243 $(notdir $(TEST_GEN_PROGS) 153 $(notdir $(TEST_GEN_PROGS) \
244 $(TEST_GEN_PROGS_EXTENDED)): %: $(OUT !! 154 $(TEST_GEN_PROGS_EXTENDED) \
>> 155 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ;
245 156
246 # sort removes libbpf duplicates when not cros 157 # sort removes libbpf duplicates when not cross-building
247 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST 158 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \
248 $(BUILD_DIR)/bpftool $(HOST_BUI 159 $(BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/bpftool \
249 $(HOST_BUILD_DIR)/resolve_btfid 160 $(HOST_BUILD_DIR)/resolve_btfids \
250 $(RUNQSLOWER_OUTPUT) $(INCLUDE_ 161 $(RUNQSLOWER_OUTPUT) $(INCLUDE_DIR))
251 $(MAKE_DIRS): 162 $(MAKE_DIRS):
252 $(call msg,MKDIR,,$@) 163 $(call msg,MKDIR,,$@)
253 $(Q)mkdir -p $@ 164 $(Q)mkdir -p $@
254 165
255 $(OUTPUT)/%.o: %.c 166 $(OUTPUT)/%.o: %.c
256 $(call msg,CC,,$@) 167 $(call msg,CC,,$@)
257 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^ 168 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@
258 169
259 $(OUTPUT)/%:%.c 170 $(OUTPUT)/%:%.c
260 $(call msg,BINARY,,$@) 171 $(call msg,BINARY,,$@)
261 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 172 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@
262 173
263 # LLVM's ld.lld doesn't support all the archit 174 # LLVM's ld.lld doesn't support all the architectures, so use it only on x86
264 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv !! 175 ifeq ($(SRCARCH),x86)
265 LLD := lld 176 LLD := lld
266 else 177 else
267 LLD := $(shell command -v $(LD)) !! 178 LLD := ld
268 endif 179 endif
269 180
270 # Filter out -static for liburandom_read.so an 181 # Filter out -static for liburandom_read.so and its dependent targets so that static builds
271 # do not fail. Static builds leave urandom_rea 182 # do not fail. Static builds leave urandom_read relying on system-wide shared libraries.
272 $(OUTPUT)/liburandom_read.so: urandom_read_lib !! 183 $(OUTPUT)/liburandom_read.so: urandom_read_lib1.c urandom_read_lib2.c
273 $(call msg,LIB,,$@) 184 $(call msg,LIB,,$@)
274 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ !! 185 $(Q)$(CLANG) $(filter-out -static,$(CFLAGS) $(LDFLAGS)) \
275 $(filter-out -static,$(CF !! 186 $^ $(filter-out -static,$(LDLIBS)) \
276 $(filter %.c,$^) $(filter <<
277 -fuse-ld=$(LLD) -Wl,-znos 187 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
278 -Wl,--version-script=libu <<
279 -fPIC -shared -o $@ 188 -fPIC -shared -o $@
280 189
281 $(OUTPUT)/urandom_read: urandom_read.c urandom 190 $(OUTPUT)/urandom_read: urandom_read.c urandom_read_aux.c $(OUTPUT)/liburandom_read.so
282 $(call msg,BINARY,,$@) 191 $(call msg,BINARY,,$@)
283 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ !! 192 $(Q)$(CLANG) $(filter-out -static,$(CFLAGS) $(LDFLAGS)) $(filter %.c,$^) \
284 $(filter-out -static,$(CF !! 193 -lurandom_read $(filter-out -static,$(LDLIBS)) -L$(OUTPUT) \
285 -lurandom_read $(filter-o <<
286 -fuse-ld=$(LLD) -Wl,-znos 194 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
287 -Wl,-rpath=. -o $@ 195 -Wl,-rpath=. -o $@
288 196
289 $(OUTPUT)/sign-file: ../../../../scripts/sign- 197 $(OUTPUT)/sign-file: ../../../../scripts/sign-file.c
290 $(call msg,SIGN-FILE,,$@) 198 $(call msg,SIGN-FILE,,$@)
291 $(Q)$(CC) $(shell $(PKG_CONFIG) --cfla !! 199 $(Q)$(CC) $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null) \
292 $< -o $@ \ 200 $< -o $@ \
293 $(shell $(PKG_CONFIG) --libs !! 201 $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
294 202
295 $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RES 203 $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch])
296 $(call msg,MOD,,$@) 204 $(call msg,MOD,,$@)
297 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # 205 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation
298 $(Q)$(MAKE) $(submake_extras) RESOLVE_ 206 $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_testmod
299 $(Q)cp bpf_testmod/bpf_testmod.ko $@ 207 $(Q)cp bpf_testmod/bpf_testmod.ko $@
300 208
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 209 DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool
321 ifneq ($(CROSS_COMPILE),) 210 ifneq ($(CROSS_COMPILE),)
322 CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool 211 CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool
323 TRUNNER_BPFTOOL := $(CROSS_BPFTOOL) 212 TRUNNER_BPFTOOL := $(CROSS_BPFTOOL)
324 USE_BOOTSTRAP := "" 213 USE_BOOTSTRAP := ""
325 else 214 else
326 TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL) 215 TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL)
327 USE_BOOTSTRAP := "bootstrap/" 216 USE_BOOTSTRAP := "bootstrap/"
328 endif 217 endif
329 218
330 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BP 219 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) $(RUNQSLOWER_OUTPUT)
331 $(Q)$(MAKE) $(submake_extras) -C $(TOO 220 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \
332 OUTPUT=$(RUNQSLOWER_OUTPUT 221 OUTPUT=$(RUNQSLOWER_OUTPUT) VMLINUX_BTF=$(VMLINUX_BTF) \
333 BPFTOOL_OUTPUT=$(HOST_BUIL 222 BPFTOOL_OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \
334 BPFOBJ_OUTPUT=$(BUILD_DIR) !! 223 BPFOBJ_OUTPUT=$(BUILD_DIR)/libbpf \
335 BPFOBJ=$(BPFOBJ) BPF_INCLU 224 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) \
336 EXTRA_CFLAGS='-g $(OPT_FLA !! 225 EXTRA_CFLAGS='-g -O0 $(SAN_CFLAGS)' \
337 EXTRA_LDFLAGS='$(SAN_LDFLA 226 EXTRA_LDFLAGS='$(SAN_LDFLAGS)' && \
338 cp $(RUNQSLOWER_OUTPUT)run 227 cp $(RUNQSLOWER_OUTPUT)runqslower $@
339 228
340 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL) 229 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL)
341 230
342 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): 231 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ)
343 232
344 TESTING_HELPERS := $(OUTPUT)/testing_helpers.o 233 TESTING_HELPERS := $(OUTPUT)/testing_helpers.o
345 CGROUP_HELPERS := $(OUTPUT)/cgroup_helpers.o 234 CGROUP_HELPERS := $(OUTPUT)/cgroup_helpers.o
346 UNPRIV_HELPERS := $(OUTPUT)/unpriv_helpers.o 235 UNPRIV_HELPERS := $(OUTPUT)/unpriv_helpers.o
347 TRACE_HELPERS := $(OUTPUT)/trace_helpers.o 236 TRACE_HELPERS := $(OUTPUT)/trace_helpers.o
348 JSON_WRITER := $(OUTPUT)/json_writ 237 JSON_WRITER := $(OUTPUT)/json_writer.o
349 CAP_HELPERS := $(OUTPUT)/cap_helpers.o 238 CAP_HELPERS := $(OUTPUT)/cap_helpers.o
350 NETWORK_HELPERS := $(OUTPUT)/network_helpers.o <<
351 239
>> 240 $(OUTPUT)/test_dev_cgroup: $(CGROUP_HELPERS) $(TESTING_HELPERS)
>> 241 $(OUTPUT)/test_skb_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS)
352 $(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTI 242 $(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTING_HELPERS)
>> 243 $(OUTPUT)/test_sock_addr: $(CGROUP_HELPERS) $(TESTING_HELPERS)
353 $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TE 244 $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TESTING_HELPERS)
354 $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPER 245 $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) $(TRACE_HELPERS)
>> 246 $(OUTPUT)/get_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS)
>> 247 $(OUTPUT)/test_cgroup_storage: $(CGROUP_HELPERS) $(TESTING_HELPERS)
355 $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) 248 $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) $(TESTING_HELPERS)
356 $(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TES 249 $(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TESTING_HELPERS)
357 $(OUTPUT)/test_tag: $(TESTING_HELPERS) 250 $(OUTPUT)/test_tag: $(TESTING_HELPERS)
358 $(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELP 251 $(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELPERS)
359 $(OUTPUT)/xdping: $(TESTING_HELPERS) 252 $(OUTPUT)/xdping: $(TESTING_HELPERS)
360 $(OUTPUT)/flow_dissector_load: $(TESTING_HELPE 253 $(OUTPUT)/flow_dissector_load: $(TESTING_HELPERS)
361 $(OUTPUT)/test_maps: $(TESTING_HELPERS) 254 $(OUTPUT)/test_maps: $(TESTING_HELPERS)
362 $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $( 255 $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $(CAP_HELPERS) $(UNPRIV_HELPERS)
363 $(OUTPUT)/xsk.o: $(BPFOBJ) 256 $(OUTPUT)/xsk.o: $(BPFOBJ)
364 $(OUTPUT)/test_tcp_check_syncookie_user: $(NET <<
365 257
366 BPFTOOL ?= $(DEFAULT_BPFTOOL) 258 BPFTOOL ?= $(DEFAULT_BPFTOOL)
367 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/* 259 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \
368 $(HOST_BPFOBJ) | $(HOST_BU 260 $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool
369 $(Q)$(MAKE) $(submake_extras) -C $(BP 261 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
370 ARCH= CROSS_COMPILE= CC="$ 262 ARCH= CROSS_COMPILE= CC="$(HOSTCC)" LD="$(HOSTLD)" \
371 EXTRA_CFLAGS='-g $(OPT_FLA !! 263 EXTRA_CFLAGS='-g -O0' \
372 OUTPUT=$(HOST_BUILD_DIR)/b 264 OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \
373 LIBBPF_OUTPUT=$(HOST_BUILD 265 LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \
374 LIBBPF_DESTDIR=$(HOST_SCRA 266 LIBBPF_DESTDIR=$(HOST_SCRATCH_DIR)/ \
375 prefix= DESTDIR=$(HOST_SCR 267 prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin
376 268
377 ifneq ($(CROSS_COMPILE),) 269 ifneq ($(CROSS_COMPILE),)
378 $(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ 270 $(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \
379 $(BPFOBJ) | $(BUILD_DIR)/b 271 $(BPFOBJ) | $(BUILD_DIR)/bpftool
380 $(Q)$(MAKE) $(submake_extras) -C $(BP 272 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
381 ARCH=$(ARCH) CROSS_COMPILE 273 ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) \
382 EXTRA_CFLAGS='-g $(OPT_FLA !! 274 EXTRA_CFLAGS='-g -O0' \
383 OUTPUT=$(BUILD_DIR)/bpftoo 275 OUTPUT=$(BUILD_DIR)/bpftool/ \
384 LIBBPF_OUTPUT=$(BUILD_DIR) 276 LIBBPF_OUTPUT=$(BUILD_DIR)/libbpf/ \
385 LIBBPF_DESTDIR=$(SCRATCH_D 277 LIBBPF_DESTDIR=$(SCRATCH_DIR)/ \
386 prefix= DESTDIR=$(SCRATCH_ 278 prefix= DESTDIR=$(SCRATCH_DIR)/ install-bin
387 endif 279 endif
388 280
389 all: docs 281 all: docs
390 282
391 docs: 283 docs:
392 $(Q)RST2MAN_OPTS="--exit-status=1" $(M 284 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \
393 -f Makefile.docs 285 -f Makefile.docs \
394 prefix= OUTPUT=$(OUTPUT)/ 286 prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
395 287
396 docs-clean: 288 docs-clean:
397 $(Q)$(MAKE) $(submake_extras) 289 $(Q)$(MAKE) $(submake_extras) \
398 -f Makefile.docs 290 -f Makefile.docs \
399 prefix= OUTPUT=$(OUTPUT)/ 291 prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
400 292
401 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDI 293 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \
402 $(APIDIR)/linux/bpf.h 294 $(APIDIR)/linux/bpf.h \
403 | $(BUILD_DIR)/libbpf 295 | $(BUILD_DIR)/libbpf
404 $(Q)$(MAKE) $(submake_extras) -C $(BPF 296 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
405 EXTRA_CFLAGS='-g $(OPT_FLA !! 297 EXTRA_CFLAGS='-g -O0 $(SAN_CFLAGS)' \
406 EXTRA_LDFLAGS='$(SAN_LDFLA 298 EXTRA_LDFLAGS='$(SAN_LDFLAGS)' \
407 DESTDIR=$(SCRATCH_DIR) pre 299 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers
408 300
409 ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) 301 ifneq ($(BPFOBJ),$(HOST_BPFOBJ))
410 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $( 302 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \
411 $(APIDIR)/linux/bpf.h 303 $(APIDIR)/linux/bpf.h \
412 | $(HOST_BUILD_DIR)/libbpf 304 | $(HOST_BUILD_DIR)/libbpf
413 $(Q)$(MAKE) $(submake_extras) -C $(BPF 305 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \
414 EXTRA_CFLAGS='-g $(OPT_FLA !! 306 EXTRA_CFLAGS='-g -O0' ARCH= CROSS_COMPILE= \
415 OUTPUT=$(HOST_BUILD_DIR)/l 307 OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \
416 CC="$(HOSTCC)" LD="$(HOSTL 308 CC="$(HOSTCC)" LD="$(HOSTLD)" \
417 DESTDIR=$(HOST_SCRATCH_DIR 309 DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers
418 endif 310 endif
419 311
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 312 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR)
424 ifeq ($(VMLINUX_H),) 313 ifeq ($(VMLINUX_H),)
425 $(call msg,GEN,,$@) 314 $(call msg,GEN,,$@)
426 $(Q)$(BPFTOOL) btf dump file $(VMLINUX !! 315 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
427 $(Q)cmp -s $(INCLUDE_DIR)/.vmlinux.h.t <<
428 else 316 else
429 $(call msg,CP,,$@) 317 $(call msg,CP,,$@)
430 $(Q)cp "$(VMLINUX_H)" $@ 318 $(Q)cp "$(VMLINUX_H)" $@
431 endif 319 endif
432 320
433 $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUI 321 $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \
434 $(TOOLSDIR)/bpf/resolve 322 $(TOOLSDIR)/bpf/resolve_btfids/main.c \
435 $(TOOLSDIR)/lib/rbtree. 323 $(TOOLSDIR)/lib/rbtree.c \
436 $(TOOLSDIR)/lib/zalloc. 324 $(TOOLSDIR)/lib/zalloc.c \
437 $(TOOLSDIR)/lib/string. 325 $(TOOLSDIR)/lib/string.c \
438 $(TOOLSDIR)/lib/ctype.c 326 $(TOOLSDIR)/lib/ctype.c \
439 $(TOOLSDIR)/lib/str_err 327 $(TOOLSDIR)/lib/str_error_r.c
440 $(Q)$(MAKE) $(submake_extras) -C $(TOO 328 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \
441 CC="$(HOSTCC)" LD="$(HOSTLD)" 329 CC="$(HOSTCC)" LD="$(HOSTLD)" AR="$(HOSTAR)" \
442 LIBBPF_INCLUDE=$(HOST_INCLUDE_ 330 LIBBPF_INCLUDE=$(HOST_INCLUDE_DIR) \
443 OUTPUT=$(HOST_BUILD_DIR)/resol 331 OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ)
444 332
445 # Get Clang's default includes on this system, 333 # Get Clang's default includes on this system, as opposed to those seen by
446 # '--target=bpf'. This fixes "missing" files o !! 334 # '-target bpf'. This fixes "missing" files on some architectures/distros,
447 # such as asm/byteorder.h, asm/socket.h, asm/s 335 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
448 # 336 #
449 # Use '-idirafter': Don't interfere with inclu 337 # Use '-idirafter': Don't interfere with include mechanics except where the
450 # build would have failed anyways. 338 # build would have failed anyways.
451 define get_sys_includes 339 define get_sys_includes
452 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \ 340 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \
453 | sed -n '/<...> search starts here:/, 341 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
454 $(shell $(1) $(2) -dM -E - </dev/null | grep ' 342 $(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') \
455 $(shell $(1) $(2) -dM -E - </dev/null | grep ' !! 343 $(shell $(1) $(2) -dM -E - </dev/null | grep '__loongarch_grlen ' | awk '{printf("-D__BITS_PER_LONG=%d", $$3)}')
456 $(shell $(1) $(2) -dM -E - </dev/null | grep - <<
457 endef 344 endef
458 345
459 # Determine target endianness. 346 # Determine target endianness.
460 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </de 347 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
461 grep 'define __BYTE_OR 348 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__')
462 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endi 349 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
463 350
464 ifneq ($(CROSS_COMPILE),) 351 ifneq ($(CROSS_COMPILE),)
465 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_ 352 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%))
466 endif 353 endif
467 354
468 CLANG_SYS_INCLUDES = $(call get_sys_includes,$ 355 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH))
469 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_ 356 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \
470 -I$(INCLUDE_DIR) -I$(CURDIR) -I$( 357 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \
471 -I$(abspath $(OUTPUT)/../usr/incl !! 358 -I$(abspath $(OUTPUT)/../usr/include)
472 -Wno-compare-distinct-pointer-typ <<
473 # TODO: enable me -Wsign-compare <<
474 359
475 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) !! 360 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
>> 361 -Wno-compare-distinct-pointer-types
476 362
477 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += 363 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
478 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += - 364 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
479 365
480 $(OUTPUT)/flow_dissector_load.o: flow_dissecto 366 $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
481 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup 367 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup_getset_retval_hooks.h
482 368
483 # Build BPF object using Clang 369 # Build BPF object using Clang
484 # $1 - input .c file 370 # $1 - input .c file
485 # $2 - output .o file 371 # $2 - output .o file
486 # $3 - CFLAGS 372 # $3 - CFLAGS
487 # $4 - binary name <<
488 define CLANG_BPF_BUILD_RULE 373 define CLANG_BPF_BUILD_RULE
489 $(call msg,CLNG-BPF,$4,$2) !! 374 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
490 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 !! 375 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -mcpu=v3 -o $2
491 endef 376 endef
492 # Similar to CLANG_BPF_BUILD_RULE, but with di 377 # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32
493 define CLANG_NOALU32_BPF_BUILD_RULE 378 define CLANG_NOALU32_BPF_BUILD_RULE
494 $(call msg,CLNG-BPF,$4,$2) !! 379 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
495 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 !! 380 $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -mcpu=v2 -o $2
496 endef <<
497 # Similar to CLANG_BPF_BUILD_RULE, but with cp <<
498 define CLANG_CPUV4_BPF_BUILD_RULE <<
499 $(call msg,CLNG-BPF,$4,$2) <<
500 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 <<
501 endef 381 endef
502 # Build BPF object using GCC 382 # Build BPF object using GCC
503 define GCC_BPF_BUILD_RULE 383 define GCC_BPF_BUILD_RULE
504 $(call msg,GCC-BPF,$4,$2) !! 384 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2)
505 $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_AC !! 385 $(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2
506 endef 386 endef
507 387
508 SKEL_BLACKLIST := btf__% test_pinning_invalid. 388 SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c
509 389
510 LINKED_SKELS := test_static_linked.skel.h link 390 LINKED_SKELS := test_static_linked.skel.h linked_funcs.skel.h \
511 linked_vars.skel.h linked_maps 391 linked_vars.skel.h linked_maps.skel.h \
512 test_subskeleton.skel.h test_s 392 test_subskeleton.skel.h test_subskeleton_lib.skel.h \
513 test_usdt.skel.h 393 test_usdt.skel.h
514 394
515 LSKELS := fentry_test.c fexit_test.c fexit_sle 395 LSKELS := fentry_test.c fexit_test.c fexit_sleep.c atomics.c \
516 trace_printk.c trace_vprintk.c map_ptr 396 trace_printk.c trace_vprintk.c map_ptr_kern.c \
517 core_kern.c core_kern_overflow.c test_ 397 core_kern.c core_kern_overflow.c test_ringbuf.c \
518 test_ringbuf_n.c test_ringbuf_map_key. !! 398 test_ringbuf_map_key.c
519 399
520 # Generate both light skeleton and libbpf skel 400 # Generate both light skeleton and libbpf skeleton for these
521 LSKELS_EXTRA := test_ksyms_module.c test_ksyms 401 LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c kfunc_call_test.c \
522 kfunc_call_test_subprog.c 402 kfunc_call_test_subprog.c
523 SKEL_BLACKLIST += $$(LSKELS) 403 SKEL_BLACKLIST += $$(LSKELS)
524 404
525 test_static_linked.skel.h-deps := test_static_ 405 test_static_linked.skel.h-deps := test_static_linked1.bpf.o test_static_linked2.bpf.o
526 linked_funcs.skel.h-deps := linked_funcs1.bpf. 406 linked_funcs.skel.h-deps := linked_funcs1.bpf.o linked_funcs2.bpf.o
527 linked_vars.skel.h-deps := linked_vars1.bpf.o 407 linked_vars.skel.h-deps := linked_vars1.bpf.o linked_vars2.bpf.o
528 linked_maps.skel.h-deps := linked_maps1.bpf.o 408 linked_maps.skel.h-deps := linked_maps1.bpf.o linked_maps2.bpf.o
529 # In the subskeleton case, we want the test_su 409 # In the subskeleton case, we want the test_subskeleton_lib.subskel.h file
530 # but that's created as a side-effect of the s 410 # but that's created as a side-effect of the skel.h generation.
531 test_subskeleton.skel.h-deps := test_subskelet 411 test_subskeleton.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o test_subskeleton.bpf.o
532 test_subskeleton_lib.skel.h-deps := test_subsk 412 test_subskeleton_lib.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o
533 test_usdt.skel.h-deps := test_usdt.bpf.o test_ 413 test_usdt.skel.h-deps := test_usdt.bpf.o test_usdt_multispec.bpf.o
534 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf 414 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf.o
535 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata 415 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata.bpf.o
536 xdp_features.skel.h-deps := xdp_features.bpf.o 416 xdp_features.skel.h-deps := xdp_features.bpf.o
537 417
538 LINKED_BPF_OBJS := $(foreach skel,$(LINKED_SKE !! 418 LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(foreach skel,$(LINKED_SKELS),$($(skel)-deps)))
539 LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(LI <<
540 <<
541 HEADERS_FOR_BPF_OBJS := $(wildcard $(BPFDIR)/* <<
542 $(addprefix $(BPFDIR)/ <<
543 <<
544 <<
545 <<
546 419
547 # Set up extra TRUNNER_XXX "temporary" variabl 420 # Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on
548 # $eval()) and pass control to DEFINE_TEST_RUN 421 # $eval()) and pass control to DEFINE_TEST_RUNNER_RULES.
549 # Parameters: 422 # Parameters:
550 # $1 - test runner base binary name (e.g., tes 423 # $1 - test runner base binary name (e.g., test_progs)
551 # $2 - test runner extra "flavor" (e.g., no_al !! 424 # $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
552 define DEFINE_TEST_RUNNER 425 define DEFINE_TEST_RUNNER
553 426
554 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 427 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2
555 TRUNNER_BINARY := $1$(if $2,-)$2 428 TRUNNER_BINARY := $1$(if $2,-)$2
556 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNE 429 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \
557 $$(notdir $$( 430 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c)))
558 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNN 431 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \
559 $$(filter %.c 432 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES)))
560 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_ 433 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES))
561 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/test 434 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h
562 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TR 435 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c))
563 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER 436 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.bpf.o, $$(TRUNNER_BPF_SRCS))
564 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNE 437 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \
565 $$(filter-out 438 $$(filter-out $(SKEL_BLACKLIST) $(LINKED_BPF_SRCS),\
566 439 $$(TRUNNER_BPF_SRCS)))
567 TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNN 440 TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.lskel.h, $$(LSKELS) $$(LSKELS_EXTRA))
568 TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TR 441 TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TRUNNER_OUTPUT)/,$(LINKED_SKELS))
569 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 442 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)
570 443
571 # Evaluate rules now with extra TRUNNER_XXX va 444 # Evaluate rules now with extra TRUNNER_XXX variables above already defined
572 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2 445 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2))
573 446
574 endef 447 endef
575 448
576 # Using TRUNNER_XXX variables, provided by cal 449 # Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and
577 # set up by DEFINE_TEST_RUNNER itself, create 450 # set up by DEFINE_TEST_RUNNER itself, create test runner build rules with:
578 # $1 - test runner base binary name (e.g., tes 451 # $1 - test runner base binary name (e.g., test_progs)
579 # $2 - test runner extra "flavor" (e.g., no_al !! 452 # $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
580 define DEFINE_TEST_RUNNER_RULES 453 define DEFINE_TEST_RUNNER_RULES
581 454
582 ifeq ($($(TRUNNER_OUTPUT)-dir),) 455 ifeq ($($(TRUNNER_OUTPUT)-dir),)
583 $(TRUNNER_OUTPUT)-dir := y 456 $(TRUNNER_OUTPUT)-dir := y
584 $(TRUNNER_OUTPUT): 457 $(TRUNNER_OUTPUT):
585 $$(call msg,MKDIR,,$$@) 458 $$(call msg,MKDIR,,$$@)
586 $(Q)mkdir -p $$@ 459 $(Q)mkdir -p $$@
587 endif 460 endif
588 461
589 # ensure we set up BPF objects generation rule 462 # ensure we set up BPF objects generation rule just once for a given
590 # input/output directory combination 463 # input/output directory combination
591 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-b 464 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),)
592 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs : 465 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y
593 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o 466 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o: \
594 $(TRUNNER_BPF_PROGS_DIR)/ 467 $(TRUNNER_BPF_PROGS_DIR)/%.c \
595 $(TRUNNER_BPF_PROGS_DIR)/ 468 $(TRUNNER_BPF_PROGS_DIR)/*.h \
596 $$(INCLUDE_DIR)/vmlinux.h 469 $$(INCLUDE_DIR)/vmlinux.h \
597 $(HEADERS_FOR_BPF_OBJS) !! 470 $(wildcard $(BPFDIR)/bpf_*.h) \
>> 471 $(wildcard $(BPFDIR)/*.bpf.h) \
598 | $(TRUNNER_OUTPUT) $$(BP 472 | $(TRUNNER_OUTPUT) $$(BPFOBJ)
599 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<, 473 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \
600 $(TR !! 474 $(TRUNNER_BPF_CFLAGS))
601 $$($ <<
602 $$($ <<
603 475
604 $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFT 476 $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
605 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) 477 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
606 $(Q)$$(BPFTOOL) gen object $$(<:.o=.li 478 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$<
607 $(Q)$$(BPFTOOL) gen object $$(<:.o=.li 479 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o)
608 $(Q)$$(BPFTOOL) gen object $$(<:.o=.li 480 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o)
609 $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=. 481 $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o)
610 $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=. 482 $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$@
611 $(Q)$$(BPFTOOL) gen subskeleton $$(<:. 483 $(Q)$$(BPFTOOL) gen subskeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$(@:.skel.h=.subskel.h)
612 $(Q)rm -f $$(<:.o=.linked1.o) $$(<:.o= <<
613 484
614 $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BP 485 $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
615 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) 486 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
616 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll 487 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked1.o) $$<
617 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll 488 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked2.o) $$(<:.o=.llinked1.o)
618 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll 489 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked3.o) $$(<:.o=.llinked2.o)
619 $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o= 490 $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o)
620 $(Q)$$(BPFTOOL) gen skeleton -L $$(<:. 491 $(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.llinked3.o) name $$(notdir $$(<:.bpf.o=_lskel)) > $$@
621 $(Q)rm -f $$(<:.o=.llinked1.o) $$(<:.o <<
622 <<
623 $(LINKED_BPF_OBJS): %: $(TRUNNER_OUTPUT)/% <<
624 492
625 # .SECONDEXPANSION here allows to correctly ex !! 493 $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_BPF_OBJS) $(BPFTOOL) | $(TRUNNER_OUTPUT)
626 .SECONDEXPANSION: <<
627 $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_OUTPUT) <<
628 $$(call msg,LINK-BPF,$(TRUNNER_BINARY) 494 $$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.bpf.o))
629 $(Q)$$(BPFTOOL) gen object $$(@:.skel. 495 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps))
630 $(Q)$$(BPFTOOL) gen object $$(@:.skel. 496 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked1.o)
631 $(Q)$$(BPFTOOL) gen object $$(@:.skel. 497 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked3.o) $$(@:.skel.h=.linked2.o)
632 $(Q)diff $$(@:.skel.h=.linked2.o) $$(@ 498 $(Q)diff $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o)
633 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) 499 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
634 $(Q)$$(BPFTOOL) gen skeleton $$(@:.ske 500 $(Q)$$(BPFTOOL) gen skeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$@
635 $(Q)$$(BPFTOOL) gen subskeleton $$(@:. 501 $(Q)$$(BPFTOOL) gen subskeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$(@:.skel.h=.subskel.h)
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): $(TRUNNER_OUTPUT)/%.skel.h <<
643 @true <<
644 <<
645 endif 502 endif
646 503
647 # ensure we set up tests.h header generation r 504 # ensure we set up tests.h header generation rule just once
648 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) 505 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
649 $(TRUNNER_TESTS_DIR)-tests-hdr := y 506 $(TRUNNER_TESTS_DIR)-tests-hdr := y
650 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c 507 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c
651 $$(call msg,TEST-HDR,$(TRUNNER_BINARY) 508 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@)
652 $$(shell (echo '/* Generated header, d 509 $$(shell (echo '/* Generated header, do not edit */'; \
653 sed -n -E 's/^void (serial_) 510 sed -n -E 's/^void (serial_)?test_([a-zA-Z0-9_]+)\((void)?\).*/DEFINE_TEST(\2)/p' \
654 $(TRUNNER_TESTS_DIR)/* 511 $(TRUNNER_TESTS_DIR)/*.c | sort ; \
655 ) > $$@) 512 ) > $$@)
656 endif 513 endif
657 514
658 # compile individual test files 515 # compile individual test files
659 # Note: we cd into output directory to ensure 516 # Note: we cd into output directory to ensure embedded BPF object is found
660 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test 517 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \
661 $(TRUNNER_TESTS_DIR)/%.c 518 $(TRUNNER_TESTS_DIR)/%.c \
662 | $(TRUNNER_OUTPUT)/%.te !! 519 $(TRUNNER_EXTRA_HDRS) \
>> 520 $(TRUNNER_BPF_OBJS) \
>> 521 $(TRUNNER_BPF_SKELS) \
>> 522 $(TRUNNER_BPF_LSKELS) \
>> 523 $(TRUNNER_BPF_SKELS_LINKED) \
>> 524 $$(BPFOBJ) | $(TRUNNER_OUTPUT)
663 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY) 525 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
664 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) !! 526 $(Q)cd $$(@D) && $$(CC) -I. $$(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 <<
681 527
682 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: 528 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \
683 %.c 529 %.c \
684 $(TRUNNER_EXTRA_HDRS) 530 $(TRUNNER_EXTRA_HDRS) \
685 $(TRUNNER_TESTS_HDR) 531 $(TRUNNER_TESTS_HDR) \
686 $$(BPFOBJ) | $(TRUNNER_ 532 $$(BPFOBJ) | $(TRUNNER_OUTPUT)
687 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY), 533 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
688 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS 534 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
689 535
690 # non-flavored in-srctree builds receive speci 536 # non-flavored in-srctree builds receive special treatment, in particular, we
691 # do not need to copy extra resources (see e.g 537 # do not need to copy extra resources (see e.g. test_btf_dump_case())
692 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILE 538 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
693 ifneq ($2:$(OUTPUT),:$(shell pwd)) 539 ifneq ($2:$(OUTPUT),:$(shell pwd))
694 $$(call msg,EXT-COPY,$(TRUNNER_BINARY) 540 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
695 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/ 541 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/
696 endif 542 endif
697 543
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 544 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \
705 $(TRUNNER_EXTRA_O 545 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \
706 $(RESOLVE_BTFIDS) 546 $(RESOLVE_BTFIDS) \
707 $(TRUNNER_BPFTOOL 547 $(TRUNNER_BPFTOOL) \
708 | $(TRUNNER_BINAR 548 | $(TRUNNER_BINARY)-extras
709 $$(call msg,BINARY,,$$@) 549 $$(call msg,BINARY,,$$@)
710 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %. !! 550 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@
711 $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_ 551 $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_OUTPUT)/btf_data.bpf.o $$@
712 $(Q)ln -sf $(if $2,..,.)/tools/build/b 552 $(Q)ln -sf $(if $2,..,.)/tools/build/bpftool/$(USE_BOOTSTRAP)bpftool \
713 $(OUTPUT)/$(if $2,$2/)bpfto 553 $(OUTPUT)/$(if $2,$2/)bpftool
714 554
715 endef 555 endef
716 556
717 # Define test_progs test runner. 557 # Define test_progs test runner.
718 TRUNNER_TESTS_DIR := prog_tests 558 TRUNNER_TESTS_DIR := prog_tests
719 TRUNNER_BPF_PROGS_DIR := progs 559 TRUNNER_BPF_PROGS_DIR := progs
720 TRUNNER_EXTRA_SOURCES := test_progs.c !! 560 TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \
721 cgroup_helpers.c !! 561 network_helpers.c testing_helpers.c \
722 trace_helpers.c !! 562 btf_helpers.c flow_dissector_load.h \
723 network_helpers.c !! 563 cap_helpers.c test_loader.c xsk.c disasm.c \
724 testing_helpers.c !! 564 json_writer.c unpriv_helpers.c
725 btf_helpers.c !! 565
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 566 TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \
738 $(OUTPUT)/bpf_test_no_c <<
739 $(OUTPUT)/bpf_test_modo <<
740 $(OUTPUT)/bpf_test_modo <<
741 $(OUTPUT)/liburandom_re 567 $(OUTPUT)/liburandom_read.so \
742 $(OUTPUT)/xdp_synproxy 568 $(OUTPUT)/xdp_synproxy \
743 $(OUTPUT)/sign-file 569 $(OUTPUT)/sign-file \
744 $(OUTPUT)/uprobe_multi <<
745 ima_setup.sh 570 ima_setup.sh \
746 verify_sig_setup.sh 571 verify_sig_setup.sh \
747 $(wildcard progs/btf_du 572 $(wildcard progs/btf_dump_test_case_*.c) \
748 $(wildcard progs/*.bpf. 573 $(wildcard progs/*.bpf.o)
749 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 574 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
750 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF 575 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS
751 $(eval $(call DEFINE_TEST_RUNNER,test_progs)) 576 $(eval $(call DEFINE_TEST_RUNNER,test_progs))
752 577
753 # Define test_progs-no_alu32 test runner. 578 # Define test_progs-no_alu32 test runner.
754 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BU 579 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE
755 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF 580 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
756 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no 581 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32))
757 582
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 583 # Define test_progs BPF-GCC-flavored test runner.
766 ifneq ($(BPF_GCC),) 584 ifneq ($(BPF_GCC),)
767 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 585 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE
768 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get 586 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc,)
769 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bp 587 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc))
770 endif 588 endif
771 589
772 # Define test_maps test runner. 590 # Define test_maps test runner.
773 TRUNNER_TESTS_DIR := map_tests 591 TRUNNER_TESTS_DIR := map_tests
774 TRUNNER_BPF_PROGS_DIR := progs 592 TRUNNER_BPF_PROGS_DIR := progs
775 TRUNNER_EXTRA_SOURCES := test_maps.c 593 TRUNNER_EXTRA_SOURCES := test_maps.c
776 TRUNNER_EXTRA_FILES := 594 TRUNNER_EXTRA_FILES :=
777 TRUNNER_BPF_BUILD_RULE := $$(error no BPF obje 595 TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built)
778 TRUNNER_BPF_CFLAGS := 596 TRUNNER_BPF_CFLAGS :=
779 $(eval $(call DEFINE_TEST_RUNNER,test_maps)) 597 $(eval $(call DEFINE_TEST_RUNNER,test_maps))
780 598
781 # Define test_verifier test runner. 599 # Define test_verifier test runner.
782 # It is much simpler than test_maps/test_progs 600 # It is much simpler than test_maps/test_progs and sufficiently different from
783 # them (e.g., test.h is using completely patte 601 # them (e.g., test.h is using completely pattern), that it's worth just
784 # explicitly defining all the rules explicitly 602 # explicitly defining all the rules explicitly.
785 verifier/tests.h: verifier/*.c 603 verifier/tests.h: verifier/*.c
786 $(shell ( cd verifier/; \ 604 $(shell ( cd verifier/; \
787 echo '/* Generated header, d 605 echo '/* Generated header, do not edit */'; \
788 echo '#ifdef FILL_ARRAY'; \ 606 echo '#ifdef FILL_ARRAY'; \
789 ls *.c 2> /dev/null | sed -e 607 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \
790 echo '#endif' \ 608 echo '#endif' \
791 ) > verifier/tests.h) 609 ) > verifier/tests.h)
792 $(OUTPUT)/test_verifier: test_verifier.c verif 610 $(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT)
793 $(call msg,BINARY,,$@) 611 $(call msg,BINARY,,$@)
794 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % 612 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
795 613
796 # Include find_bit.c to compile xskxceiver. !! 614 $(OUTPUT)/xskxceiver: xskxceiver.c xskxceiver.h $(OUTPUT)/xsk.o $(OUTPUT)/xsk_xdp_progs.skel.h $(BPFOBJ) | $(OUTPUT)
797 EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c <<
798 $(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver. <<
799 $(call msg,BINARY,,$@) 615 $(call msg,BINARY,,$@)
800 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % 616 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
801 617
802 $(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $ 618 $(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xdp_hw_metadata.skel.h | $(OUTPUT)
803 $(call msg,BINARY,,$@) 619 $(call msg,BINARY,,$@)
804 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % 620 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
805 621
806 $(OUTPUT)/xdp_features: xdp_features.c $(OUTPU 622 $(OUTPUT)/xdp_features: xdp_features.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xdp_features.skel.h | $(OUTPUT)
807 $(call msg,BINARY,,$@) 623 $(call msg,BINARY,,$@)
808 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % 624 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
809 625
810 # Make sure we are able to include and link li 626 # Make sure we are able to include and link libbpf against c++.
811 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/tes 627 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ)
812 $(call msg,CXX,,$@) 628 $(call msg,CXX,,$@)
813 $(Q)$(CXX) $(subst -D_GNU_SOURCE=,,$(C !! 629 $(Q)$(CXX) $(CFLAGS) $(filter %.a %.o %.cpp,$^) $(LDLIBS) -o $@
814 630
815 # Benchmark runner 631 # Benchmark runner
816 $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h 632 $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h $(BPFOBJ)
817 $(call msg,CC,,$@) 633 $(call msg,CC,,$@)
818 $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %. 634 $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %.c,$^) $(LDLIBS) -o $@
819 $(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overh 635 $(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h
820 $(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_b 636 $(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h
821 $(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_ 637 $(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \
822 $(OUTPUT)/perfbuf_ 638 $(OUTPUT)/perfbuf_bench.skel.h
823 $(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/ 639 $(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/bloom_filter_bench.skel.h
824 $(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop 640 $(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop_bench.skel.h
825 $(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_b 641 $(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_bench.skel.h
826 $(OUTPUT)/bench_bpf_hashmap_full_update.o: $(O 642 $(OUTPUT)/bench_bpf_hashmap_full_update.o: $(OUTPUT)/bpf_hashmap_full_update_bench.skel.h
827 $(OUTPUT)/bench_local_storage.o: $(OUTPUT)/loc 643 $(OUTPUT)/bench_local_storage.o: $(OUTPUT)/local_storage_bench.skel.h
828 $(OUTPUT)/bench_local_storage_rcu_tasks_trace. 644 $(OUTPUT)/bench_local_storage_rcu_tasks_trace.o: $(OUTPUT)/local_storage_rcu_tasks_trace_bench.skel.h
829 $(OUTPUT)/bench_local_storage_create.o: $(OUTP 645 $(OUTPUT)/bench_local_storage_create.o: $(OUTPUT)/bench_local_storage_create.skel.h
830 $(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT 646 $(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT)/bpf_hashmap_lookup.skel.h
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 $ 647 $(OUTPUT)/bench.o: bench.h testing_helpers.h $(BPFOBJ)
834 $(OUTPUT)/bench: LDLIBS += -lm 648 $(OUTPUT)/bench: LDLIBS += -lm
835 $(OUTPUT)/bench: $(OUTPUT)/bench.o \ 649 $(OUTPUT)/bench: $(OUTPUT)/bench.o \
836 $(TESTING_HELPERS) \ 650 $(TESTING_HELPERS) \
837 $(TRACE_HELPERS) \ 651 $(TRACE_HELPERS) \
838 $(CGROUP_HELPERS) \ <<
839 $(OUTPUT)/bench_count.o \ 652 $(OUTPUT)/bench_count.o \
840 $(OUTPUT)/bench_rename.o \ 653 $(OUTPUT)/bench_rename.o \
841 $(OUTPUT)/bench_trigger.o \ 654 $(OUTPUT)/bench_trigger.o \
842 $(OUTPUT)/bench_ringbufs.o \ 655 $(OUTPUT)/bench_ringbufs.o \
843 $(OUTPUT)/bench_bloom_filter_ 656 $(OUTPUT)/bench_bloom_filter_map.o \
844 $(OUTPUT)/bench_bpf_loop.o \ 657 $(OUTPUT)/bench_bpf_loop.o \
845 $(OUTPUT)/bench_strncmp.o \ 658 $(OUTPUT)/bench_strncmp.o \
846 $(OUTPUT)/bench_bpf_hashmap_f 659 $(OUTPUT)/bench_bpf_hashmap_full_update.o \
847 $(OUTPUT)/bench_local_storage 660 $(OUTPUT)/bench_local_storage.o \
848 $(OUTPUT)/bench_local_storage 661 $(OUTPUT)/bench_local_storage_rcu_tasks_trace.o \
849 $(OUTPUT)/bench_bpf_hashmap_l 662 $(OUTPUT)/bench_bpf_hashmap_lookup.o \
850 $(OUTPUT)/bench_local_storage 663 $(OUTPUT)/bench_local_storage_create.o \
851 $(OUTPUT)/bench_htab_mem.o \ <<
852 $(OUTPUT)/bench_bpf_crypto.o <<
853 # 664 #
854 $(call msg,BINARY,,$@) 665 $(call msg,BINARY,,$@)
855 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte 666 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
856 667
857 $(OUTPUT)/veristat.o: $(BPFOBJ) 668 $(OUTPUT)/veristat.o: $(BPFOBJ)
858 $(OUTPUT)/veristat: $(OUTPUT)/veristat.o 669 $(OUTPUT)/veristat: $(OUTPUT)/veristat.o
859 $(call msg,BINARY,,$@) 670 $(call msg,BINARY,,$@)
860 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte 671 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
861 672
862 # Linking uprobe_multi can fail due to relocat !! 673 EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \
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 674 prog_tests/tests.h map_tests/tests.h verifier/tests.h \
871 feature bpftool !! 675 feature bpftool \
872 $(addprefix $(OUTPUT)/,*.o *.d *.skel. !! 676 $(addprefix $(OUTPUT)/,*.o *.skel.h *.lskel.h *.subskel.h \
873 no_alu32 cpuv4 !! 677 no_alu32 bpf_gcc bpf_testmod.ko \
874 bpf_test_no_cfi !! 678 liburandom_read.so)
875 bpf_test_modord <<
876 bpf_test_modord <<
877 liburandom_read <<
878 $(OUTPUT)/FEATURE-DUMP.selftests <<
879 679
880 .PHONY: docs docs-clean 680 .PHONY: docs docs-clean
881 681
882 # Delete partially updated (corrupted) files o 682 # Delete partially updated (corrupted) files on error
883 .DELETE_ON_ERROR: 683 .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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