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),) 15 ifneq ($(O),)
16 GENDIR := $(O)/include/generated 16 GENDIR := $(O)/include/generated
17 else 17 else
18 GENDIR := $(abspath ../../../../include/genera 18 GENDIR := $(abspath ../../../../include/generated)
19 endif 19 endif
20 GENHDR := $(GENDIR)/autoconf.h 20 GENHDR := $(GENDIR)/autoconf.h
21 PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config 21 PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config
22 22
23 ifneq ($(wildcard $(GENHDR)),) 23 ifneq ($(wildcard $(GENHDR)),)
24 GENFLAGS := -DHAVE_GENHDR 24 GENFLAGS := -DHAVE_GENHDR
25 endif 25 endif
26 26
27 BPF_GCC ?= $(shell command -v bpf-gcc; 27 BPF_GCC ?= $(shell command -v bpf-gcc;)
28 SAN_CFLAGS ?= 28 SAN_CFLAGS ?=
29 SAN_LDFLAGS ?= $(SAN_CFLAGS) 29 SAN_LDFLAGS ?= $(SAN_CFLAGS)
30 RELEASE ?= 30 RELEASE ?=
31 OPT_FLAGS ?= $(if $(RELEASE),-O2,-O0) 31 OPT_FLAGS ?= $(if $(RELEASE),-O2,-O0)
32 32
33 LIBELF_CFLAGS := $(shell $(PKG_CONFIG) libel 33 LIBELF_CFLAGS := $(shell $(PKG_CONFIG) libelf --cflags 2>/dev/null)
34 LIBELF_LIBS := $(shell $(PKG_CONFIG) libel 34 LIBELF_LIBS := $(shell $(PKG_CONFIG) libelf --libs 2>/dev/null || echo -lelf)
35 35
36 ifeq ($(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 36 CFLAGS += -g $(OPT_FLAGS) -rdynamic \
44 -Wall -Werror -fno-omit-frame-pointe !! 37 -Wall -Werror \
45 $(GENFLAGS) $(SAN_CFLAGS) $(LIBELF_C 38 $(GENFLAGS) $(SAN_CFLAGS) $(LIBELF_CFLAGS) \
46 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GEN 39 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \
47 -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUT 40 -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT)
48 LDFLAGS += $(SAN_LDFLAGS) 41 LDFLAGS += $(SAN_LDFLAGS)
49 LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread 42 LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread
50 43
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),) 44 ifneq ($(LLVM),)
75 # Silence some warnings when compiled with cla 45 # Silence some warnings when compiled with clang
76 CFLAGS += -Wno-unused-command-line-argument 46 CFLAGS += -Wno-unused-command-line-argument
77 endif 47 endif
78 48
79 # Check whether bpf cpu=v4 is supported or not 49 # Check whether bpf cpu=v4 is supported or not by clang
80 ifneq ($(shell $(CLANG) --target=bpf -mcpu=hel 50 ifneq ($(shell $(CLANG) --target=bpf -mcpu=help 2>&1 | grep 'v4'),)
81 CLANG_CPUV4 := 1 51 CLANG_CPUV4 := 1
82 endif 52 endif
83 53
84 # Order correspond to 'make run_tests' order 54 # Order correspond to 'make run_tests' order
85 TEST_GEN_PROGS = test_verifier test_tag test_m 55 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
86 test_sock test_sockmap \ !! 56 test_dev_cgroup \
>> 57 test_sock test_sockmap get_cgroup_id_user \
>> 58 test_cgroup_storage \
87 test_tcpnotify_user test_sysctl \ 59 test_tcpnotify_user test_sysctl \
88 test_progs-no_alu32 60 test_progs-no_alu32
89 TEST_INST_SUBDIRS := no_alu32 61 TEST_INST_SUBDIRS := no_alu32
90 62
91 # Also test bpf-gcc, if present 63 # Also test bpf-gcc, if present
92 ifneq ($(BPF_GCC),) 64 ifneq ($(BPF_GCC),)
93 TEST_GEN_PROGS += test_progs-bpf_gcc 65 TEST_GEN_PROGS += test_progs-bpf_gcc
94 TEST_INST_SUBDIRS += bpf_gcc 66 TEST_INST_SUBDIRS += bpf_gcc
95 <<
96 # The following tests contain C code that, alt <<
97 # triggers GCC warnings that cannot be disable <<
98 # anonymous struct types in function parameter <<
99 progs/btf_dump_test_case_bitfields.c-bpf_gcc-C <<
100 progs/btf_dump_test_case_namespacing.c-bpf_gcc <<
101 progs/btf_dump_test_case_packing.c-bpf_gcc-CFL <<
102 progs/btf_dump_test_case_padding.c-bpf_gcc-CFL <<
103 progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLA <<
104 <<
105 # The following tests do type-punning, via the <<
106 # `struct bpf_insn' to long and then uses the <<
107 # "is used uninitialized" warning in GCC due t <<
108 # rules. <<
109 progs/verifier_ref_tracking.c-bpf_gcc-CFLAGS : <<
110 progs/verifier_unpriv.c-bpf_gcc-CFLAGS := -fno <<
111 progs/verifier_cgroup_storage.c-bpf_gcc-CFLAGS <<
112 progs/verifier_ld_ind.c-bpf_gcc-CFLAGS := -fno <<
113 progs/verifier_map_ret_val.c-bpf_gcc-CFLAGS := <<
114 progs/verifier_spill_fill.c-bpf_gcc-CFLAGS := <<
115 progs/verifier_subprog_precision.c-bpf_gcc-CFL <<
116 progs/verifier_uninit.c-bpf_gcc-CFLAGS := -fno <<
117 endif 67 endif
118 68
119 ifneq ($(CLANG_CPUV4),) 69 ifneq ($(CLANG_CPUV4),)
120 TEST_GEN_PROGS += test_progs-cpuv4 70 TEST_GEN_PROGS += test_progs-cpuv4
121 TEST_INST_SUBDIRS += cpuv4 71 TEST_INST_SUBDIRS += cpuv4
122 endif 72 endif
123 73
124 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_ 74 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_tc_edt.bpf.o
125 TEST_FILES = xsk_prereqs.sh $(wildcard progs/b 75 TEST_FILES = xsk_prereqs.sh $(wildcard progs/btf_dump_test_case_*.c)
126 76
127 # Order correspond to 'make run_tests' order 77 # Order correspond to 'make run_tests' order
128 TEST_PROGS := test_kmod.sh \ 78 TEST_PROGS := test_kmod.sh \
129 test_xdp_redirect.sh \ 79 test_xdp_redirect.sh \
130 test_xdp_redirect_multi.sh \ 80 test_xdp_redirect_multi.sh \
131 test_xdp_meta.sh \ 81 test_xdp_meta.sh \
>> 82 test_xdp_veth.sh \
>> 83 test_offload.py \
>> 84 test_sock_addr.sh \
132 test_tunnel.sh \ 85 test_tunnel.sh \
133 test_lwt_seg6local.sh \ 86 test_lwt_seg6local.sh \
134 test_lirc_mode2.sh \ 87 test_lirc_mode2.sh \
135 test_skb_cgroup_id.sh \ 88 test_skb_cgroup_id.sh \
136 test_flow_dissector.sh \ 89 test_flow_dissector.sh \
137 test_xdp_vlan_mode_generic.sh \ 90 test_xdp_vlan_mode_generic.sh \
138 test_xdp_vlan_mode_native.sh \ 91 test_xdp_vlan_mode_native.sh \
139 test_lwt_ip_encap.sh \ 92 test_lwt_ip_encap.sh \
140 test_tcp_check_syncookie.sh \ 93 test_tcp_check_syncookie.sh \
141 test_tc_tunnel.sh \ 94 test_tc_tunnel.sh \
142 test_tc_edt.sh \ 95 test_tc_edt.sh \
143 test_xdping.sh \ 96 test_xdping.sh \
144 test_bpftool_build.sh \ 97 test_bpftool_build.sh \
145 test_bpftool.sh \ 98 test_bpftool.sh \
146 test_bpftool_metadata.sh \ 99 test_bpftool_metadata.sh \
147 test_doc_build.sh \ 100 test_doc_build.sh \
148 test_xsk.sh \ 101 test_xsk.sh \
149 test_xdp_features.sh 102 test_xdp_features.sh
150 103
151 TEST_PROGS_EXTENDED := with_addr.sh \ 104 TEST_PROGS_EXTENDED := with_addr.sh \
152 with_tunnels.sh ima_setup.sh verify_si 105 with_tunnels.sh ima_setup.sh verify_sig_setup.sh \
153 test_xdp_vlan.sh test_bpftool.py 106 test_xdp_vlan.sh test_bpftool.py
154 107
155 # Compile but not part of 'make run_tests' 108 # Compile but not part of 'make run_tests'
156 TEST_GEN_PROGS_EXTENDED = \ !! 109 TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \
157 flow_dissector_load test_flow_dissecto 110 flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
158 test_lirc_mode2_user xdping test_cpp r 111 test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \
159 xskxceiver xdp_redirect_multi xdp_synp 112 xskxceiver xdp_redirect_multi xdp_synproxy veristat xdp_hw_metadata \
160 xdp_features bpf_test_no_cfi.ko bpf_te !! 113 xdp_features
161 bpf_test_modorder_y.ko <<
162 114
163 TEST_GEN_FILES += liburandom_read.so urandom_r 115 TEST_GEN_FILES += liburandom_read.so urandom_read sign-file uprobe_multi
164 116
165 ifneq ($(V),1) !! 117 # Emit succinct information message describing current building step
>> 118 # $1 - generic step name (e.g., CC, LINK, etc);
>> 119 # $2 - optional "flavor" specifier; if provided, will be emitted as [flavor];
>> 120 # $3 - target (assumed to be file); only file name will be emitted;
>> 121 # $4 - optional extra arg, emitted as-is, if provided.
>> 122 ifeq ($(V),1)
>> 123 Q =
>> 124 msg =
>> 125 else
>> 126 Q = @
>> 127 msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))";
>> 128 MAKEFLAGS += --no-print-directory
166 submake_extras := feature_display=0 129 submake_extras := feature_display=0
167 endif 130 endif
168 131
169 # override lib.mk's default rules 132 # override lib.mk's default rules
170 OVERRIDE_TARGETS := 1 133 OVERRIDE_TARGETS := 1
171 override define CLEAN 134 override define CLEAN
172 $(call msg,CLEAN) 135 $(call msg,CLEAN)
173 $(Q)$(RM) -r $(TEST_GEN_PROGS) 136 $(Q)$(RM) -r $(TEST_GEN_PROGS)
174 $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED 137 $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED)
175 $(Q)$(RM) -r $(TEST_GEN_FILES) 138 $(Q)$(RM) -r $(TEST_GEN_FILES)
176 $(Q)$(RM) -r $(EXTRA_CLEAN) 139 $(Q)$(RM) -r $(EXTRA_CLEAN)
177 $(Q)$(MAKE) -C bpf_testmod clean 140 $(Q)$(MAKE) -C bpf_testmod clean
178 $(Q)$(MAKE) docs-clean 141 $(Q)$(MAKE) docs-clean
179 endef 142 endef
180 143
181 include ../lib.mk 144 include ../lib.mk
182 145
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 146 SCRATCH_DIR := $(OUTPUT)/tools
213 BUILD_DIR := $(SCRATCH_DIR)/build 147 BUILD_DIR := $(SCRATCH_DIR)/build
214 INCLUDE_DIR := $(SCRATCH_DIR)/include 148 INCLUDE_DIR := $(SCRATCH_DIR)/include
215 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 149 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a
216 ifneq ($(CROSS_COMPILE),) 150 ifneq ($(CROSS_COMPILE),)
217 HOST_BUILD_DIR := $(BUILD_DIR)/host 151 HOST_BUILD_DIR := $(BUILD_DIR)/host
218 HOST_SCRATCH_DIR := $(OUTPUT)/host-tool 152 HOST_SCRATCH_DIR := $(OUTPUT)/host-tools
219 HOST_INCLUDE_DIR := $(HOST_SCRATCH_DIR) 153 HOST_INCLUDE_DIR := $(HOST_SCRATCH_DIR)/include
220 else 154 else
221 HOST_BUILD_DIR := $(BUILD_DIR) 155 HOST_BUILD_DIR := $(BUILD_DIR)
222 HOST_SCRATCH_DIR := $(SCRATCH_DIR) 156 HOST_SCRATCH_DIR := $(SCRATCH_DIR)
223 HOST_INCLUDE_DIR := $(INCLUDE_DIR) 157 HOST_INCLUDE_DIR := $(INCLUDE_DIR)
224 endif 158 endif
225 HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf 159 HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a
226 RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_bt 160 RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids
227 RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/ 161 RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/
228 162
229 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) 163 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
230 $(if $(KBUILD_OUTPUT),$(K 164 $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
231 ../../../../vmlinux 165 ../../../../vmlinux \
232 /sys/kernel/btf/vmlinux 166 /sys/kernel/btf/vmlinux \
233 /boot/vmlinux-$(shell una 167 /boot/vmlinux-$(shell uname -r)
234 VMLINUX_BTF ?= $(abspath $(firstword $(wildcar 168 VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
235 ifeq ($(VMLINUX_BTF),) 169 ifeq ($(VMLINUX_BTF),)
236 $(error Cannot find a vmlinux for VMLINUX_BTF 170 $(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)")
237 endif 171 endif
238 172
239 # Define simple and short `make test_progs`, ` 173 # Define simple and short `make test_progs`, `make test_sysctl`, etc targets
240 # to build individual tests. 174 # to build individual tests.
241 # NOTE: Semicolon at the end is critical to ov 175 # NOTE: Semicolon at the end is critical to override lib.mk's default static
242 # rule for binaries. 176 # rule for binaries.
243 $(notdir $(TEST_GEN_PROGS) 177 $(notdir $(TEST_GEN_PROGS) \
244 $(TEST_GEN_PROGS_EXTENDED)): %: $(OUT !! 178 $(TEST_GEN_PROGS_EXTENDED) \
>> 179 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ;
245 180
246 # sort removes libbpf duplicates when not cros 181 # sort removes libbpf duplicates when not cross-building
247 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST 182 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \
248 $(BUILD_DIR)/bpftool $(HOST_BUI 183 $(BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/bpftool \
249 $(HOST_BUILD_DIR)/resolve_btfid 184 $(HOST_BUILD_DIR)/resolve_btfids \
250 $(RUNQSLOWER_OUTPUT) $(INCLUDE_ 185 $(RUNQSLOWER_OUTPUT) $(INCLUDE_DIR))
251 $(MAKE_DIRS): 186 $(MAKE_DIRS):
252 $(call msg,MKDIR,,$@) 187 $(call msg,MKDIR,,$@)
253 $(Q)mkdir -p $@ 188 $(Q)mkdir -p $@
254 189
255 $(OUTPUT)/%.o: %.c 190 $(OUTPUT)/%.o: %.c
256 $(call msg,CC,,$@) 191 $(call msg,CC,,$@)
257 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^ 192 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@
258 193
259 $(OUTPUT)/%:%.c 194 $(OUTPUT)/%:%.c
260 $(call msg,BINARY,,$@) 195 $(call msg,BINARY,,$@)
261 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 196 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@
262 197
263 # LLVM's ld.lld doesn't support all the archit 198 # LLVM's ld.lld doesn't support all the architectures, so use it only on x86
264 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv 199 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv))
265 LLD := lld 200 LLD := lld
266 else 201 else
267 LLD := $(shell command -v $(LD)) !! 202 LLD := ld
268 endif 203 endif
269 204
270 # Filter out -static for liburandom_read.so an 205 # Filter out -static for liburandom_read.so and its dependent targets so that static builds
271 # do not fail. Static builds leave urandom_rea 206 # do not fail. Static builds leave urandom_read relying on system-wide shared libraries.
272 $(OUTPUT)/liburandom_read.so: urandom_read_lib 207 $(OUTPUT)/liburandom_read.so: urandom_read_lib1.c urandom_read_lib2.c liburandom_read.map
273 $(call msg,LIB,,$@) 208 $(call msg,LIB,,$@)
274 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ 209 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \
275 $(filter-out -static,$(CF 210 $(filter-out -static,$(CFLAGS) $(LDFLAGS)) \
276 $(filter %.c,$^) $(filter 211 $(filter %.c,$^) $(filter-out -static,$(LDLIBS)) \
277 -fuse-ld=$(LLD) -Wl,-znos 212 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
278 -Wl,--version-script=libu 213 -Wl,--version-script=liburandom_read.map \
279 -fPIC -shared -o $@ 214 -fPIC -shared -o $@
280 215
281 $(OUTPUT)/urandom_read: urandom_read.c urandom 216 $(OUTPUT)/urandom_read: urandom_read.c urandom_read_aux.c $(OUTPUT)/liburandom_read.so
282 $(call msg,BINARY,,$@) 217 $(call msg,BINARY,,$@)
283 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ 218 $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \
284 $(filter-out -static,$(CF 219 $(filter-out -static,$(CFLAGS) $(LDFLAGS)) $(filter %.c,$^) \
285 -lurandom_read $(filter-o 220 -lurandom_read $(filter-out -static,$(LDLIBS)) -L$(OUTPUT) \
286 -fuse-ld=$(LLD) -Wl,-znos 221 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
287 -Wl,-rpath=. -o $@ 222 -Wl,-rpath=. -o $@
288 223
289 $(OUTPUT)/sign-file: ../../../../scripts/sign- 224 $(OUTPUT)/sign-file: ../../../../scripts/sign-file.c
290 $(call msg,SIGN-FILE,,$@) 225 $(call msg,SIGN-FILE,,$@)
291 $(Q)$(CC) $(shell $(PKG_CONFIG) --cfla 226 $(Q)$(CC) $(shell $(PKG_CONFIG) --cflags libcrypto 2> /dev/null) \
292 $< -o $@ \ 227 $< -o $@ \
293 $(shell $(PKG_CONFIG) --libs 228 $(shell $(PKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
294 229
295 $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RES 230 $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch])
296 $(call msg,MOD,,$@) 231 $(call msg,MOD,,$@)
297 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # 232 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation
298 $(Q)$(MAKE) $(submake_extras) RESOLVE_ 233 $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_testmod
299 $(Q)cp bpf_testmod/bpf_testmod.ko $@ 234 $(Q)cp bpf_testmod/bpf_testmod.ko $@
300 235
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 236 DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool
321 ifneq ($(CROSS_COMPILE),) 237 ifneq ($(CROSS_COMPILE),)
322 CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool 238 CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool
323 TRUNNER_BPFTOOL := $(CROSS_BPFTOOL) 239 TRUNNER_BPFTOOL := $(CROSS_BPFTOOL)
324 USE_BOOTSTRAP := "" 240 USE_BOOTSTRAP := ""
325 else 241 else
326 TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL) 242 TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL)
327 USE_BOOTSTRAP := "bootstrap/" 243 USE_BOOTSTRAP := "bootstrap/"
328 endif 244 endif
329 245
330 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BP 246 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) $(RUNQSLOWER_OUTPUT)
331 $(Q)$(MAKE) $(submake_extras) -C $(TOO 247 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \
332 OUTPUT=$(RUNQSLOWER_OUTPUT 248 OUTPUT=$(RUNQSLOWER_OUTPUT) VMLINUX_BTF=$(VMLINUX_BTF) \
333 BPFTOOL_OUTPUT=$(HOST_BUIL 249 BPFTOOL_OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \
334 BPFOBJ_OUTPUT=$(BUILD_DIR) !! 250 BPFOBJ_OUTPUT=$(BUILD_DIR)/libbpf \
335 BPFOBJ=$(BPFOBJ) BPF_INCLU 251 BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) \
336 EXTRA_CFLAGS='-g $(OPT_FLA 252 EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS)' \
337 EXTRA_LDFLAGS='$(SAN_LDFLA 253 EXTRA_LDFLAGS='$(SAN_LDFLAGS)' && \
338 cp $(RUNQSLOWER_OUTPUT)run 254 cp $(RUNQSLOWER_OUTPUT)runqslower $@
339 255
340 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL) 256 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL)
341 257
342 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): 258 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ)
343 259
344 TESTING_HELPERS := $(OUTPUT)/testing_helpers.o 260 TESTING_HELPERS := $(OUTPUT)/testing_helpers.o
345 CGROUP_HELPERS := $(OUTPUT)/cgroup_helpers.o 261 CGROUP_HELPERS := $(OUTPUT)/cgroup_helpers.o
346 UNPRIV_HELPERS := $(OUTPUT)/unpriv_helpers.o 262 UNPRIV_HELPERS := $(OUTPUT)/unpriv_helpers.o
347 TRACE_HELPERS := $(OUTPUT)/trace_helpers.o 263 TRACE_HELPERS := $(OUTPUT)/trace_helpers.o
348 JSON_WRITER := $(OUTPUT)/json_writ 264 JSON_WRITER := $(OUTPUT)/json_writer.o
349 CAP_HELPERS := $(OUTPUT)/cap_helpers.o 265 CAP_HELPERS := $(OUTPUT)/cap_helpers.o
350 NETWORK_HELPERS := $(OUTPUT)/network_helpers.o <<
351 266
>> 267 $(OUTPUT)/test_dev_cgroup: $(CGROUP_HELPERS) $(TESTING_HELPERS)
>> 268 $(OUTPUT)/test_skb_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS)
352 $(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTI 269 $(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTING_HELPERS)
>> 270 $(OUTPUT)/test_sock_addr: $(CGROUP_HELPERS) $(TESTING_HELPERS)
353 $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TE 271 $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TESTING_HELPERS)
354 $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPER 272 $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) $(TRACE_HELPERS)
>> 273 $(OUTPUT)/get_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS)
>> 274 $(OUTPUT)/test_cgroup_storage: $(CGROUP_HELPERS) $(TESTING_HELPERS)
355 $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) 275 $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) $(TESTING_HELPERS)
356 $(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TES 276 $(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TESTING_HELPERS)
357 $(OUTPUT)/test_tag: $(TESTING_HELPERS) 277 $(OUTPUT)/test_tag: $(TESTING_HELPERS)
358 $(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELP 278 $(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELPERS)
359 $(OUTPUT)/xdping: $(TESTING_HELPERS) 279 $(OUTPUT)/xdping: $(TESTING_HELPERS)
360 $(OUTPUT)/flow_dissector_load: $(TESTING_HELPE 280 $(OUTPUT)/flow_dissector_load: $(TESTING_HELPERS)
361 $(OUTPUT)/test_maps: $(TESTING_HELPERS) 281 $(OUTPUT)/test_maps: $(TESTING_HELPERS)
362 $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $( 282 $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $(CAP_HELPERS) $(UNPRIV_HELPERS)
363 $(OUTPUT)/xsk.o: $(BPFOBJ) 283 $(OUTPUT)/xsk.o: $(BPFOBJ)
364 $(OUTPUT)/test_tcp_check_syncookie_user: $(NET <<
365 284
366 BPFTOOL ?= $(DEFAULT_BPFTOOL) 285 BPFTOOL ?= $(DEFAULT_BPFTOOL)
367 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/* 286 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \
368 $(HOST_BPFOBJ) | $(HOST_BU 287 $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool
369 $(Q)$(MAKE) $(submake_extras) -C $(BP 288 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
370 ARCH= CROSS_COMPILE= CC="$ 289 ARCH= CROSS_COMPILE= CC="$(HOSTCC)" LD="$(HOSTLD)" \
371 EXTRA_CFLAGS='-g $(OPT_FLA 290 EXTRA_CFLAGS='-g $(OPT_FLAGS)' \
372 OUTPUT=$(HOST_BUILD_DIR)/b 291 OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \
373 LIBBPF_OUTPUT=$(HOST_BUILD 292 LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \
374 LIBBPF_DESTDIR=$(HOST_SCRA 293 LIBBPF_DESTDIR=$(HOST_SCRATCH_DIR)/ \
375 prefix= DESTDIR=$(HOST_SCR 294 prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin
376 295
377 ifneq ($(CROSS_COMPILE),) 296 ifneq ($(CROSS_COMPILE),)
378 $(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ 297 $(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \
379 $(BPFOBJ) | $(BUILD_DIR)/b 298 $(BPFOBJ) | $(BUILD_DIR)/bpftool
380 $(Q)$(MAKE) $(submake_extras) -C $(BP 299 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
381 ARCH=$(ARCH) CROSS_COMPILE 300 ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) \
382 EXTRA_CFLAGS='-g $(OPT_FLA 301 EXTRA_CFLAGS='-g $(OPT_FLAGS)' \
383 OUTPUT=$(BUILD_DIR)/bpftoo 302 OUTPUT=$(BUILD_DIR)/bpftool/ \
384 LIBBPF_OUTPUT=$(BUILD_DIR) 303 LIBBPF_OUTPUT=$(BUILD_DIR)/libbpf/ \
385 LIBBPF_DESTDIR=$(SCRATCH_D 304 LIBBPF_DESTDIR=$(SCRATCH_DIR)/ \
386 prefix= DESTDIR=$(SCRATCH_ 305 prefix= DESTDIR=$(SCRATCH_DIR)/ install-bin
387 endif 306 endif
388 307
389 all: docs 308 all: docs
390 309
391 docs: 310 docs:
392 $(Q)RST2MAN_OPTS="--exit-status=1" $(M 311 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \
393 -f Makefile.docs 312 -f Makefile.docs \
394 prefix= OUTPUT=$(OUTPUT)/ 313 prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
395 314
396 docs-clean: 315 docs-clean:
397 $(Q)$(MAKE) $(submake_extras) 316 $(Q)$(MAKE) $(submake_extras) \
398 -f Makefile.docs 317 -f Makefile.docs \
399 prefix= OUTPUT=$(OUTPUT)/ 318 prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
400 319
401 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDI 320 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \
402 $(APIDIR)/linux/bpf.h 321 $(APIDIR)/linux/bpf.h \
403 | $(BUILD_DIR)/libbpf 322 | $(BUILD_DIR)/libbpf
404 $(Q)$(MAKE) $(submake_extras) -C $(BPF 323 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
405 EXTRA_CFLAGS='-g $(OPT_FLA 324 EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS)' \
406 EXTRA_LDFLAGS='$(SAN_LDFLA 325 EXTRA_LDFLAGS='$(SAN_LDFLAGS)' \
407 DESTDIR=$(SCRATCH_DIR) pre 326 DESTDIR=$(SCRATCH_DIR) prefix= all install_headers
408 327
409 ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) 328 ifneq ($(BPFOBJ),$(HOST_BPFOBJ))
410 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $( 329 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \
411 $(APIDIR)/linux/bpf.h 330 $(APIDIR)/linux/bpf.h \
412 | $(HOST_BUILD_DIR)/libbpf 331 | $(HOST_BUILD_DIR)/libbpf
413 $(Q)$(MAKE) $(submake_extras) -C $(BPF 332 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \
414 EXTRA_CFLAGS='-g $(OPT_FLA 333 EXTRA_CFLAGS='-g $(OPT_FLAGS)' ARCH= CROSS_COMPILE= \
415 OUTPUT=$(HOST_BUILD_DIR)/l 334 OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \
416 CC="$(HOSTCC)" LD="$(HOSTL 335 CC="$(HOSTCC)" LD="$(HOSTLD)" \
417 DESTDIR=$(HOST_SCRATCH_DIR 336 DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers
418 endif 337 endif
419 338
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 339 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR)
424 ifeq ($(VMLINUX_H),) 340 ifeq ($(VMLINUX_H),)
425 $(call msg,GEN,,$@) 341 $(call msg,GEN,,$@)
426 $(Q)$(BPFTOOL) btf dump file $(VMLINUX !! 342 $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
427 $(Q)cmp -s $(INCLUDE_DIR)/.vmlinux.h.t <<
428 else 343 else
429 $(call msg,CP,,$@) 344 $(call msg,CP,,$@)
430 $(Q)cp "$(VMLINUX_H)" $@ 345 $(Q)cp "$(VMLINUX_H)" $@
431 endif 346 endif
432 347
433 $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUI 348 $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \
434 $(TOOLSDIR)/bpf/resolve 349 $(TOOLSDIR)/bpf/resolve_btfids/main.c \
435 $(TOOLSDIR)/lib/rbtree. 350 $(TOOLSDIR)/lib/rbtree.c \
436 $(TOOLSDIR)/lib/zalloc. 351 $(TOOLSDIR)/lib/zalloc.c \
437 $(TOOLSDIR)/lib/string. 352 $(TOOLSDIR)/lib/string.c \
438 $(TOOLSDIR)/lib/ctype.c 353 $(TOOLSDIR)/lib/ctype.c \
439 $(TOOLSDIR)/lib/str_err 354 $(TOOLSDIR)/lib/str_error_r.c
440 $(Q)$(MAKE) $(submake_extras) -C $(TOO 355 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \
441 CC="$(HOSTCC)" LD="$(HOSTLD)" 356 CC="$(HOSTCC)" LD="$(HOSTLD)" AR="$(HOSTAR)" \
442 LIBBPF_INCLUDE=$(HOST_INCLUDE_ 357 LIBBPF_INCLUDE=$(HOST_INCLUDE_DIR) \
443 OUTPUT=$(HOST_BUILD_DIR)/resol 358 OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ)
444 359
445 # Get Clang's default includes on this system, 360 # Get Clang's default includes on this system, as opposed to those seen by
446 # '--target=bpf'. This fixes "missing" files o 361 # '--target=bpf'. This fixes "missing" files on some architectures/distros,
447 # such as asm/byteorder.h, asm/socket.h, asm/s 362 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
448 # 363 #
449 # Use '-idirafter': Don't interfere with inclu 364 # Use '-idirafter': Don't interfere with include mechanics except where the
450 # build would have failed anyways. 365 # build would have failed anyways.
451 define get_sys_includes 366 define get_sys_includes
452 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \ 367 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \
453 | sed -n '/<...> search starts here:/, 368 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
454 $(shell $(1) $(2) -dM -E - </dev/null | grep ' 369 $(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 ' !! 370 $(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 371 endef
458 372
459 # Determine target endianness. 373 # Determine target endianness.
460 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </de 374 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
461 grep 'define __BYTE_OR 375 grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__')
462 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endi 376 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
463 377
464 ifneq ($(CROSS_COMPILE),) 378 ifneq ($(CROSS_COMPILE),)
465 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_ 379 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%))
466 endif 380 endif
467 381
468 CLANG_SYS_INCLUDES = $(call get_sys_includes,$ 382 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH))
469 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_ 383 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \
470 -I$(INCLUDE_DIR) -I$(CURDIR) -I$( 384 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \
471 -I$(abspath $(OUTPUT)/../usr/incl !! 385 -I$(abspath $(OUTPUT)/../usr/include)
472 -Wno-compare-distinct-pointer-typ <<
473 # TODO: enable me -Wsign-compare 386 # TODO: enable me -Wsign-compare
474 387
475 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) !! 388 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
>> 389 -Wno-compare-distinct-pointer-types
476 390
477 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += 391 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
478 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += - 392 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
479 393
480 $(OUTPUT)/flow_dissector_load.o: flow_dissecto 394 $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
481 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup 395 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup_getset_retval_hooks.h
482 396
483 # Build BPF object using Clang 397 # Build BPF object using Clang
484 # $1 - input .c file 398 # $1 - input .c file
485 # $2 - output .o file 399 # $2 - output .o file
486 # $3 - CFLAGS 400 # $3 - CFLAGS
487 # $4 - binary name <<
488 define CLANG_BPF_BUILD_RULE 401 define CLANG_BPF_BUILD_RULE
489 $(call msg,CLNG-BPF,$4,$2) !! 402 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
490 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 403 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v3 -o $2
491 endef 404 endef
492 # Similar to CLANG_BPF_BUILD_RULE, but with di 405 # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32
493 define CLANG_NOALU32_BPF_BUILD_RULE 406 define CLANG_NOALU32_BPF_BUILD_RULE
494 $(call msg,CLNG-BPF,$4,$2) !! 407 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
495 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 408 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v2 -o $2
496 endef 409 endef
497 # Similar to CLANG_BPF_BUILD_RULE, but with cp 410 # Similar to CLANG_BPF_BUILD_RULE, but with cpu-v4
498 define CLANG_CPUV4_BPF_BUILD_RULE 411 define CLANG_CPUV4_BPF_BUILD_RULE
499 $(call msg,CLNG-BPF,$4,$2) !! 412 $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
500 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 413 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v4 -o $2
501 endef 414 endef
502 # Build BPF object using GCC 415 # Build BPF object using GCC
503 define GCC_BPF_BUILD_RULE 416 define GCC_BPF_BUILD_RULE
504 $(call msg,GCC-BPF,$4,$2) !! 417 $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2)
505 $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_AC !! 418 $(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2
506 endef 419 endef
507 420
508 SKEL_BLACKLIST := btf__% test_pinning_invalid. 421 SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c
509 422
510 LINKED_SKELS := test_static_linked.skel.h link 423 LINKED_SKELS := test_static_linked.skel.h linked_funcs.skel.h \
511 linked_vars.skel.h linked_maps 424 linked_vars.skel.h linked_maps.skel.h \
512 test_subskeleton.skel.h test_s 425 test_subskeleton.skel.h test_subskeleton_lib.skel.h \
513 test_usdt.skel.h 426 test_usdt.skel.h
514 427
515 LSKELS := fentry_test.c fexit_test.c fexit_sle 428 LSKELS := fentry_test.c fexit_test.c fexit_sleep.c atomics.c \
516 trace_printk.c trace_vprintk.c map_ptr 429 trace_printk.c trace_vprintk.c map_ptr_kern.c \
517 core_kern.c core_kern_overflow.c test_ 430 core_kern.c core_kern_overflow.c test_ringbuf.c \
518 test_ringbuf_n.c test_ringbuf_map_key. !! 431 test_ringbuf_map_key.c
519 432
520 # Generate both light skeleton and libbpf skel 433 # Generate both light skeleton and libbpf skeleton for these
521 LSKELS_EXTRA := test_ksyms_module.c test_ksyms 434 LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c kfunc_call_test.c \
522 kfunc_call_test_subprog.c 435 kfunc_call_test_subprog.c
523 SKEL_BLACKLIST += $$(LSKELS) 436 SKEL_BLACKLIST += $$(LSKELS)
524 437
525 test_static_linked.skel.h-deps := test_static_ 438 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. 439 linked_funcs.skel.h-deps := linked_funcs1.bpf.o linked_funcs2.bpf.o
527 linked_vars.skel.h-deps := linked_vars1.bpf.o 440 linked_vars.skel.h-deps := linked_vars1.bpf.o linked_vars2.bpf.o
528 linked_maps.skel.h-deps := linked_maps1.bpf.o 441 linked_maps.skel.h-deps := linked_maps1.bpf.o linked_maps2.bpf.o
529 # In the subskeleton case, we want the test_su 442 # 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 443 # but that's created as a side-effect of the skel.h generation.
531 test_subskeleton.skel.h-deps := test_subskelet 444 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 445 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_ 446 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 447 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf.o
535 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata 448 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata.bpf.o
536 xdp_features.skel.h-deps := xdp_features.bpf.o 449 xdp_features.skel.h-deps := xdp_features.bpf.o
537 450
538 LINKED_BPF_OBJS := $(foreach skel,$(LINKED_SKE !! 451 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 <<
546 452
547 # Set up extra TRUNNER_XXX "temporary" variabl 453 # Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on
548 # $eval()) and pass control to DEFINE_TEST_RUN 454 # $eval()) and pass control to DEFINE_TEST_RUNNER_RULES.
549 # Parameters: 455 # Parameters:
550 # $1 - test runner base binary name (e.g., tes 456 # $1 - test runner base binary name (e.g., test_progs)
551 # $2 - test runner extra "flavor" (e.g., no_al !! 457 # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, gcc-bpf, etc)
552 define DEFINE_TEST_RUNNER 458 define DEFINE_TEST_RUNNER
553 459
554 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 460 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2
555 TRUNNER_BINARY := $1$(if $2,-)$2 461 TRUNNER_BINARY := $1$(if $2,-)$2
556 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNE 462 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \
557 $$(notdir $$( 463 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c)))
558 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNN 464 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \
559 $$(filter %.c 465 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES)))
560 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_ 466 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES))
561 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/test 467 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h
562 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TR 468 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c))
563 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER 469 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.bpf.o, $$(TRUNNER_BPF_SRCS))
564 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNE 470 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \
565 $$(filter-out 471 $$(filter-out $(SKEL_BLACKLIST) $(LINKED_BPF_SRCS),\
566 472 $$(TRUNNER_BPF_SRCS)))
567 TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNN 473 TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.lskel.h, $$(LSKELS) $$(LSKELS_EXTRA))
568 TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TR 474 TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TRUNNER_OUTPUT)/,$(LINKED_SKELS))
569 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) 475 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)
570 476
571 # Evaluate rules now with extra TRUNNER_XXX va 477 # Evaluate rules now with extra TRUNNER_XXX variables above already defined
572 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2 478 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2))
573 479
574 endef 480 endef
575 481
576 # Using TRUNNER_XXX variables, provided by cal 482 # Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and
577 # set up by DEFINE_TEST_RUNNER itself, create 483 # set up by DEFINE_TEST_RUNNER itself, create test runner build rules with:
578 # $1 - test runner base binary name (e.g., tes 484 # $1 - test runner base binary name (e.g., test_progs)
579 # $2 - test runner extra "flavor" (e.g., no_al !! 485 # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, gcc-bpf, etc)
580 define DEFINE_TEST_RUNNER_RULES 486 define DEFINE_TEST_RUNNER_RULES
581 487
582 ifeq ($($(TRUNNER_OUTPUT)-dir),) 488 ifeq ($($(TRUNNER_OUTPUT)-dir),)
583 $(TRUNNER_OUTPUT)-dir := y 489 $(TRUNNER_OUTPUT)-dir := y
584 $(TRUNNER_OUTPUT): 490 $(TRUNNER_OUTPUT):
585 $$(call msg,MKDIR,,$$@) 491 $$(call msg,MKDIR,,$$@)
586 $(Q)mkdir -p $$@ 492 $(Q)mkdir -p $$@
587 endif 493 endif
588 494
589 # ensure we set up BPF objects generation rule 495 # ensure we set up BPF objects generation rule just once for a given
590 # input/output directory combination 496 # input/output directory combination
591 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-b 497 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),)
592 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs : 498 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y
593 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o 499 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o: \
594 $(TRUNNER_BPF_PROGS_DIR)/ 500 $(TRUNNER_BPF_PROGS_DIR)/%.c \
595 $(TRUNNER_BPF_PROGS_DIR)/ 501 $(TRUNNER_BPF_PROGS_DIR)/*.h \
596 $$(INCLUDE_DIR)/vmlinux.h 502 $$(INCLUDE_DIR)/vmlinux.h \
597 $(HEADERS_FOR_BPF_OBJS) !! 503 $(wildcard $(BPFDIR)/bpf_*.h) \
>> 504 $(wildcard $(BPFDIR)/*.bpf.h) \
598 | $(TRUNNER_OUTPUT) $$(BP 505 | $(TRUNNER_OUTPUT) $$(BPFOBJ)
599 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<, 506 $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \
600 $(TR !! 507 $(TRUNNER_BPF_CFLAGS))
601 $$($ <<
602 $$($ <<
603 508
604 $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFT 509 $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
605 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) 510 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
606 $(Q)$$(BPFTOOL) gen object $$(<:.o=.li 511 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$<
607 $(Q)$$(BPFTOOL) gen object $$(<:.o=.li 512 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o)
608 $(Q)$$(BPFTOOL) gen object $$(<:.o=.li 513 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o)
609 $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=. 514 $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o)
610 $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=. 515 $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$@
611 $(Q)$$(BPFTOOL) gen subskeleton $$(<:. 516 $(Q)$$(BPFTOOL) gen subskeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$(@:.skel.h=.subskel.h)
612 $(Q)rm -f $$(<:.o=.linked1.o) $$(<:.o= <<
613 517
614 $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BP 518 $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
615 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) 519 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
616 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll 520 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked1.o) $$<
617 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll 521 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked2.o) $$(<:.o=.llinked1.o)
618 $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll 522 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked3.o) $$(<:.o=.llinked2.o)
619 $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o= 523 $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o)
620 $(Q)$$(BPFTOOL) gen skeleton -L $$(<:. 524 $(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.llinked3.o) name $$(notdir $$(<:.bpf.o=_lskel)) > $$@
621 $(Q)rm -f $$(<:.o=.llinked1.o) $$(<:.o <<
622 <<
623 $(LINKED_BPF_OBJS): %: $(TRUNNER_OUTPUT)/% <<
624 525
625 # .SECONDEXPANSION here allows to correctly ex !! 526 $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_BPF_OBJS) $(BPFTOOL) | $(TRUNNER_OUTPUT)
626 .SECONDEXPANSION: <<
627 $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_OUTPUT) <<
628 $$(call msg,LINK-BPF,$(TRUNNER_BINARY) 527 $$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.bpf.o))
629 $(Q)$$(BPFTOOL) gen object $$(@:.skel. 528 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps))
630 $(Q)$$(BPFTOOL) gen object $$(@:.skel. 529 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked1.o)
631 $(Q)$$(BPFTOOL) gen object $$(@:.skel. 530 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked3.o) $$(@:.skel.h=.linked2.o)
632 $(Q)diff $$(@:.skel.h=.linked2.o) $$(@ 531 $(Q)diff $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o)
633 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY) 532 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
634 $(Q)$$(BPFTOOL) gen skeleton $$(@:.ske 533 $(Q)$$(BPFTOOL) gen skeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$@
635 $(Q)$$(BPFTOOL) gen subskeleton $$(@:. 534 $(Q)$$(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): $(TRUNNER_OUTPUT)/%.skel.h <<
643 @true <<
644 <<
645 endif 535 endif
646 536
647 # ensure we set up tests.h header generation r 537 # ensure we set up tests.h header generation rule just once
648 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) 538 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
649 $(TRUNNER_TESTS_DIR)-tests-hdr := y 539 $(TRUNNER_TESTS_DIR)-tests-hdr := y
650 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c 540 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c
651 $$(call msg,TEST-HDR,$(TRUNNER_BINARY) 541 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@)
652 $$(shell (echo '/* Generated header, d 542 $$(shell (echo '/* Generated header, do not edit */'; \
653 sed -n -E 's/^void (serial_) 543 sed -n -E 's/^void (serial_)?test_([a-zA-Z0-9_]+)\((void)?\).*/DEFINE_TEST(\2)/p' \
654 $(TRUNNER_TESTS_DIR)/* 544 $(TRUNNER_TESTS_DIR)/*.c | sort ; \
655 ) > $$@) 545 ) > $$@)
656 endif 546 endif
657 547
658 # compile individual test files 548 # compile individual test files
659 # Note: we cd into output directory to ensure 549 # Note: we cd into output directory to ensure embedded BPF object is found
660 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test 550 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \
661 $(TRUNNER_TESTS_DIR)/%.c 551 $(TRUNNER_TESTS_DIR)/%.c \
662 | $(TRUNNER_OUTPUT)/%.te !! 552 $(TRUNNER_EXTRA_HDRS) \
>> 553 $(TRUNNER_BPF_OBJS) \
>> 554 $(TRUNNER_BPF_SKELS) \
>> 555 $(TRUNNER_BPF_LSKELS) \
>> 556 $(TRUNNER_BPF_SKELS_LINKED) \
>> 557 $$(BPFOBJ) | $(TRUNNER_OUTPUT)
663 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY) 558 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
664 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) !! 559 $(Q)cd $$(@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 <<
681 560
682 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: 561 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \
683 %.c 562 %.c \
684 $(TRUNNER_EXTRA_HDRS) 563 $(TRUNNER_EXTRA_HDRS) \
685 $(TRUNNER_TESTS_HDR) 564 $(TRUNNER_TESTS_HDR) \
686 $$(BPFOBJ) | $(TRUNNER_ 565 $$(BPFOBJ) | $(TRUNNER_OUTPUT)
687 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY), 566 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
688 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS 567 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
689 568
690 # non-flavored in-srctree builds receive speci 569 # non-flavored in-srctree builds receive special treatment, in particular, we
691 # do not need to copy extra resources (see e.g 570 # do not need to copy extra resources (see e.g. test_btf_dump_case())
692 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILE 571 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
693 ifneq ($2:$(OUTPUT),:$(shell pwd)) 572 ifneq ($2:$(OUTPUT),:$(shell pwd))
694 $$(call msg,EXT-COPY,$(TRUNNER_BINARY) 573 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
695 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/ 574 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/
696 endif 575 endif
697 576
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 577 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \
705 $(TRUNNER_EXTRA_O 578 $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \
706 $(RESOLVE_BTFIDS) 579 $(RESOLVE_BTFIDS) \
707 $(TRUNNER_BPFTOOL 580 $(TRUNNER_BPFTOOL) \
708 | $(TRUNNER_BINAR 581 | $(TRUNNER_BINARY)-extras
709 $$(call msg,BINARY,,$$@) 582 $$(call msg,BINARY,,$$@)
710 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %. !! 583 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@
711 $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_ 584 $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_OUTPUT)/btf_data.bpf.o $$@
712 $(Q)ln -sf $(if $2,..,.)/tools/build/b 585 $(Q)ln -sf $(if $2,..,.)/tools/build/bpftool/$(USE_BOOTSTRAP)bpftool \
713 $(OUTPUT)/$(if $2,$2/)bpfto 586 $(OUTPUT)/$(if $2,$2/)bpftool
714 587
715 endef 588 endef
716 589
717 # Define test_progs test runner. 590 # Define test_progs test runner.
718 TRUNNER_TESTS_DIR := prog_tests 591 TRUNNER_TESTS_DIR := prog_tests
719 TRUNNER_BPF_PROGS_DIR := progs 592 TRUNNER_BPF_PROGS_DIR := progs
720 TRUNNER_EXTRA_SOURCES := test_progs.c 593 TRUNNER_EXTRA_SOURCES := test_progs.c \
721 cgroup_helpers.c 594 cgroup_helpers.c \
722 trace_helpers.c 595 trace_helpers.c \
723 network_helpers.c 596 network_helpers.c \
724 testing_helpers.c 597 testing_helpers.c \
725 btf_helpers.c 598 btf_helpers.c \
726 cap_helpers.c 599 cap_helpers.c \
727 unpriv_helpers.c 600 unpriv_helpers.c \
728 netlink_helpers.c 601 netlink_helpers.c \
729 jit_disasm_helpers.c <<
730 test_loader.c 602 test_loader.c \
731 xsk.c 603 xsk.c \
732 disasm.c 604 disasm.c \
733 disasm_helpers.c <<
734 json_writer.c 605 json_writer.c \
735 flow_dissector_load.h 606 flow_dissector_load.h \
736 ip_check_defrag_frags 607 ip_check_defrag_frags.h
737 TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read 608 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 609 $(OUTPUT)/liburandom_read.so \
742 $(OUTPUT)/xdp_synproxy 610 $(OUTPUT)/xdp_synproxy \
743 $(OUTPUT)/sign-file 611 $(OUTPUT)/sign-file \
744 $(OUTPUT)/uprobe_multi 612 $(OUTPUT)/uprobe_multi \
745 ima_setup.sh 613 ima_setup.sh \
746 verify_sig_setup.sh 614 verify_sig_setup.sh \
747 $(wildcard progs/btf_du 615 $(wildcard progs/btf_dump_test_case_*.c) \
748 $(wildcard progs/*.bpf. 616 $(wildcard progs/*.bpf.o)
749 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 617 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
750 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF 618 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS
751 $(eval $(call DEFINE_TEST_RUNNER,test_progs)) 619 $(eval $(call DEFINE_TEST_RUNNER,test_progs))
752 620
753 # Define test_progs-no_alu32 test runner. 621 # Define test_progs-no_alu32 test runner.
754 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BU 622 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE
755 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF 623 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
756 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no 624 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32))
757 625
758 # Define test_progs-cpuv4 test runner. 626 # Define test_progs-cpuv4 test runner.
759 ifneq ($(CLANG_CPUV4),) 627 ifneq ($(CLANG_CPUV4),)
760 TRUNNER_BPF_BUILD_RULE := CLANG_CPUV4_BPF_BUIL 628 TRUNNER_BPF_BUILD_RULE := CLANG_CPUV4_BPF_BUILD_RULE
761 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF !! 629 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
762 $(eval $(call DEFINE_TEST_RUNNER,test_progs,cp 630 $(eval $(call DEFINE_TEST_RUNNER,test_progs,cpuv4))
763 endif 631 endif
764 632
765 # Define test_progs BPF-GCC-flavored test runn 633 # Define test_progs BPF-GCC-flavored test runner.
766 ifneq ($(BPF_GCC),) 634 ifneq ($(BPF_GCC),)
767 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE 635 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE
768 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get 636 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc,)
769 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bp 637 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc))
770 endif 638 endif
771 639
772 # Define test_maps test runner. 640 # Define test_maps test runner.
773 TRUNNER_TESTS_DIR := map_tests 641 TRUNNER_TESTS_DIR := map_tests
774 TRUNNER_BPF_PROGS_DIR := progs 642 TRUNNER_BPF_PROGS_DIR := progs
775 TRUNNER_EXTRA_SOURCES := test_maps.c 643 TRUNNER_EXTRA_SOURCES := test_maps.c
776 TRUNNER_EXTRA_FILES := 644 TRUNNER_EXTRA_FILES :=
777 TRUNNER_BPF_BUILD_RULE := $$(error no BPF obje 645 TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built)
778 TRUNNER_BPF_CFLAGS := 646 TRUNNER_BPF_CFLAGS :=
779 $(eval $(call DEFINE_TEST_RUNNER,test_maps)) 647 $(eval $(call DEFINE_TEST_RUNNER,test_maps))
780 648
781 # Define test_verifier test runner. 649 # Define test_verifier test runner.
782 # It is much simpler than test_maps/test_progs 650 # It is much simpler than test_maps/test_progs and sufficiently different from
783 # them (e.g., test.h is using completely patte 651 # them (e.g., test.h is using completely pattern), that it's worth just
784 # explicitly defining all the rules explicitly 652 # explicitly defining all the rules explicitly.
785 verifier/tests.h: verifier/*.c 653 verifier/tests.h: verifier/*.c
786 $(shell ( cd verifier/; \ 654 $(shell ( cd verifier/; \
787 echo '/* Generated header, d 655 echo '/* Generated header, do not edit */'; \
788 echo '#ifdef FILL_ARRAY'; \ 656 echo '#ifdef FILL_ARRAY'; \
789 ls *.c 2> /dev/null | sed -e 657 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \
790 echo '#endif' \ 658 echo '#endif' \
791 ) > verifier/tests.h) 659 ) > verifier/tests.h)
792 $(OUTPUT)/test_verifier: test_verifier.c verif 660 $(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT)
793 $(call msg,BINARY,,$@) 661 $(call msg,BINARY,,$@)
794 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % 662 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
795 663
796 # Include find_bit.c to compile xskxceiver. 664 # Include find_bit.c to compile xskxceiver.
797 EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c 665 EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c
798 $(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver. !! 666 $(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver.c xskxceiver.h $(OUTPUT)/xsk.o $(OUTPUT)/xsk_xdp_progs.skel.h $(BPFOBJ) | $(OUTPUT)
799 $(call msg,BINARY,,$@) 667 $(call msg,BINARY,,$@)
800 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % 668 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
801 669
802 $(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $ 670 $(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xdp_hw_metadata.skel.h | $(OUTPUT)
803 $(call msg,BINARY,,$@) 671 $(call msg,BINARY,,$@)
804 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % 672 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
805 673
806 $(OUTPUT)/xdp_features: xdp_features.c $(OUTPU 674 $(OUTPUT)/xdp_features: xdp_features.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xdp_features.skel.h | $(OUTPUT)
807 $(call msg,BINARY,,$@) 675 $(call msg,BINARY,,$@)
808 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o % 676 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
809 677
810 # Make sure we are able to include and link li 678 # Make sure we are able to include and link libbpf against c++.
811 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/tes 679 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ)
812 $(call msg,CXX,,$@) 680 $(call msg,CXX,,$@)
813 $(Q)$(CXX) $(subst -D_GNU_SOURCE=,,$(C !! 681 $(Q)$(CXX) $(CFLAGS) $(filter %.a %.o %.cpp,$^) $(LDLIBS) -o $@
814 682
815 # Benchmark runner 683 # Benchmark runner
816 $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h 684 $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h $(BPFOBJ)
817 $(call msg,CC,,$@) 685 $(call msg,CC,,$@)
818 $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %. 686 $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %.c,$^) $(LDLIBS) -o $@
819 $(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overh 687 $(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h
820 $(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_b 688 $(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h
821 $(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_ 689 $(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \
822 $(OUTPUT)/perfbuf_ 690 $(OUTPUT)/perfbuf_bench.skel.h
823 $(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/ 691 $(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/bloom_filter_bench.skel.h
824 $(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop 692 $(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop_bench.skel.h
825 $(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_b 693 $(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_bench.skel.h
826 $(OUTPUT)/bench_bpf_hashmap_full_update.o: $(O 694 $(OUTPUT)/bench_bpf_hashmap_full_update.o: $(OUTPUT)/bpf_hashmap_full_update_bench.skel.h
827 $(OUTPUT)/bench_local_storage.o: $(OUTPUT)/loc 695 $(OUTPUT)/bench_local_storage.o: $(OUTPUT)/local_storage_bench.skel.h
828 $(OUTPUT)/bench_local_storage_rcu_tasks_trace. 696 $(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 697 $(OUTPUT)/bench_local_storage_create.o: $(OUTPUT)/bench_local_storage_create.skel.h
830 $(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT 698 $(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT)/bpf_hashmap_lookup.skel.h
831 $(OUTPUT)/bench_htab_mem.o: $(OUTPUT)/htab_mem 699 $(OUTPUT)/bench_htab_mem.o: $(OUTPUT)/htab_mem_bench.skel.h
832 $(OUTPUT)/bench_bpf_crypto.o: $(OUTPUT)/crypto <<
833 $(OUTPUT)/bench.o: bench.h testing_helpers.h $ 700 $(OUTPUT)/bench.o: bench.h testing_helpers.h $(BPFOBJ)
834 $(OUTPUT)/bench: LDLIBS += -lm 701 $(OUTPUT)/bench: LDLIBS += -lm
835 $(OUTPUT)/bench: $(OUTPUT)/bench.o \ 702 $(OUTPUT)/bench: $(OUTPUT)/bench.o \
836 $(TESTING_HELPERS) \ 703 $(TESTING_HELPERS) \
837 $(TRACE_HELPERS) \ 704 $(TRACE_HELPERS) \
838 $(CGROUP_HELPERS) \ 705 $(CGROUP_HELPERS) \
839 $(OUTPUT)/bench_count.o \ 706 $(OUTPUT)/bench_count.o \
840 $(OUTPUT)/bench_rename.o \ 707 $(OUTPUT)/bench_rename.o \
841 $(OUTPUT)/bench_trigger.o \ 708 $(OUTPUT)/bench_trigger.o \
842 $(OUTPUT)/bench_ringbufs.o \ 709 $(OUTPUT)/bench_ringbufs.o \
843 $(OUTPUT)/bench_bloom_filter_ 710 $(OUTPUT)/bench_bloom_filter_map.o \
844 $(OUTPUT)/bench_bpf_loop.o \ 711 $(OUTPUT)/bench_bpf_loop.o \
845 $(OUTPUT)/bench_strncmp.o \ 712 $(OUTPUT)/bench_strncmp.o \
846 $(OUTPUT)/bench_bpf_hashmap_f 713 $(OUTPUT)/bench_bpf_hashmap_full_update.o \
847 $(OUTPUT)/bench_local_storage 714 $(OUTPUT)/bench_local_storage.o \
848 $(OUTPUT)/bench_local_storage 715 $(OUTPUT)/bench_local_storage_rcu_tasks_trace.o \
849 $(OUTPUT)/bench_bpf_hashmap_l 716 $(OUTPUT)/bench_bpf_hashmap_lookup.o \
850 $(OUTPUT)/bench_local_storage 717 $(OUTPUT)/bench_local_storage_create.o \
851 $(OUTPUT)/bench_htab_mem.o \ 718 $(OUTPUT)/bench_htab_mem.o \
852 $(OUTPUT)/bench_bpf_crypto.o <<
853 # 719 #
854 $(call msg,BINARY,,$@) 720 $(call msg,BINARY,,$@)
855 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte 721 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
856 722
857 $(OUTPUT)/veristat.o: $(BPFOBJ) 723 $(OUTPUT)/veristat.o: $(BPFOBJ)
858 $(OUTPUT)/veristat: $(OUTPUT)/veristat.o 724 $(OUTPUT)/veristat: $(OUTPUT)/veristat.o
859 $(call msg,BINARY,,$@) 725 $(call msg,BINARY,,$@)
860 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte 726 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
861 727
862 # Linking uprobe_multi can fail due to relocat !! 728 $(OUTPUT)/uprobe_multi: uprobe_multi.c
863 $(OUTPUT)/uprobe_multi: CFLAGS += $(if $(filte <<
864 $(OUTPUT)/uprobe_multi: uprobe_multi.c uprobe_ <<
865 $(call msg,BINARY,,$@) 729 $(call msg,BINARY,,$@)
866 $(Q)$(CC) $(CFLAGS) -Wl,-T,uprobe_mult !! 730 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
867 $(filter-out %.ld,$^) $(LDLIBS <<
868 731
869 EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_D !! 732 EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \
870 prog_tests/tests.h map_tests/tests.h v 733 prog_tests/tests.h map_tests/tests.h verifier/tests.h \
871 feature bpftool !! 734 feature bpftool \
872 $(addprefix $(OUTPUT)/,*.o *.d *.skel. !! 735 $(addprefix $(OUTPUT)/,*.o *.skel.h *.lskel.h *.subskel.h \
873 no_alu32 cpuv4 736 no_alu32 cpuv4 bpf_gcc bpf_testmod.ko \
874 bpf_test_no_cfi !! 737 liburandom_read.so)
875 bpf_test_modord <<
876 bpf_test_modord <<
877 liburandom_read <<
878 $(OUTPUT)/FEATURE-DUMP.selftests <<
879 738
880 .PHONY: docs docs-clean 739 .PHONY: docs docs-clean
881 740
882 # Delete partially updated (corrupted) files o 741 # Delete partially updated (corrupted) files on error
883 .DELETE_ON_ERROR: 742 .DELETE_ON_ERROR:
884 743
885 DEFAULT_INSTALL_RULE := $(INSTALL_RULE) 744 DEFAULT_INSTALL_RULE := $(INSTALL_RULE)
886 override define INSTALL_RULE 745 override define INSTALL_RULE
887 $(DEFAULT_INSTALL_RULE) 746 $(DEFAULT_INSTALL_RULE)
888 @for DIR in $(TEST_INST_SUBDIRS); do 747 @for DIR in $(TEST_INST_SUBDIRS); do \
889 mkdir -p $(INSTALL_PATH)/$$DIR 748 mkdir -p $(INSTALL_PATH)/$$DIR; \
890 rsync -a $(OUTPUT)/$$DIR/*.bpf 749 rsync -a $(OUTPUT)/$$DIR/*.bpf.o $(INSTALL_PATH)/$$DIR;\
891 done 750 done
892 endef 751 endef
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