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Commit | Line | Data |
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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
787360f8 JK |
2 | |
3 | BPF_SAMPLES_PATH ?= $(abspath $(srctree)/$(src)) | |
4 | TOOLS_PATH := $(BPF_SAMPLES_PATH)/../../tools | |
5 | ||
3c731eba | 6 | # List of programs to build |
5db58faf | 7 | hostprogs-y := test_lru_dist |
03f4723e | 8 | hostprogs-y += sock_example |
42984d7c | 9 | hostprogs-y += fds_example |
a8085782 | 10 | hostprogs-y += sockex1 |
fbe33108 | 11 | hostprogs-y += sockex2 |
530b2c86 | 12 | hostprogs-y += sockex3 |
b896c4f9 | 13 | hostprogs-y += tracex1 |
d822a192 | 14 | hostprogs-y += tracex2 |
5c7fc2d2 | 15 | hostprogs-y += tracex3 |
9811e353 | 16 | hostprogs-y += tracex4 |
5bacd780 | 17 | hostprogs-y += tracex5 |
47efb302 | 18 | hostprogs-y += tracex6 |
965de87e | 19 | hostprogs-y += tracex7 |
cf9b1199 | 20 | hostprogs-y += test_probe_write_user |
39111695 | 21 | hostprogs-y += trace_output |
0fb1170e | 22 | hostprogs-y += lathist |
a6ffe7b9 | 23 | hostprogs-y += offwaketime |
9d8b612d | 24 | hostprogs-y += spintest |
26e90931 | 25 | hostprogs-y += map_perf_test |
e3edfdec | 26 | hostprogs-y += test_overhead |
a3f74617 | 27 | hostprogs-y += test_cgrp2_array_pin |
d8c5b17f | 28 | hostprogs-y += test_cgrp2_attach |
9b474ece | 29 | hostprogs-y += test_cgrp2_attach2 |
ad2805dc | 30 | hostprogs-y += test_cgrp2_sock |
554ae6e7 | 31 | hostprogs-y += test_cgrp2_sock2 |
86af8b41 | 32 | hostprogs-y += xdp1 |
764cbcce | 33 | hostprogs-y += xdp2 |
3e29cd0e | 34 | hostprogs-y += xdp_router_ipv4 |
9e6e60ec | 35 | hostprogs-y += test_current_task_under_cgroup |
1c47910e | 36 | hostprogs-y += trace_event |
72874418 | 37 | hostprogs-y += sampleip |
90e02896 | 38 | hostprogs-y += tc_l2_redirect |
f74599f7 | 39 | hostprogs-y += lwt_len_hist |
12d8bb64 | 40 | hostprogs-y += xdp_tx_iptunnel |
fb30d4b7 | 41 | hostprogs-y += test_map_in_map |
51570a5a | 42 | hostprogs-y += per_socket_stats_example |
ae16189e | 43 | hostprogs-y += load_sock_ops |
832622e6 | 44 | hostprogs-y += xdp_redirect |
9d6e0052 | 45 | hostprogs-y += xdp_redirect_map |
fad3917e | 46 | hostprogs-y += xdp_redirect_cpu |
3ffab546 | 47 | hostprogs-y += xdp_monitor |
0fca931a | 48 | hostprogs-y += xdp_rxq_info |
1da236b6 | 49 | hostprogs-y += syscall_tp |
c5350777 | 50 | hostprogs-y += cpustat |
c6ffd1ff | 51 | hostprogs-y += xdp_adjust_tail |
b4b8faa1 | 52 | hostprogs-y += xdpsock |
fe616055 | 53 | hostprogs-y += xdp_fwd |
ecb96f7f | 54 | hostprogs-y += task_fd_query |
1e54ad25 | 55 | hostprogs-y += xdp_sample_pkts |
3c731eba | 56 | |
43371c83 | 57 | # Libbpf dependencies |
787360f8 JK |
58 | LIBBPF = $(TOOLS_PATH)/lib/bpf/libbpf.a |
59 | ||
9d1f1594 | 60 | CGROUP_HELPERS := ../../tools/testing/selftests/bpf/cgroup_helpers.o |
28dbf861 | 61 | TRACE_HELPERS := ../../tools/testing/selftests/bpf/trace_helpers.o |
43371c83 | 62 | |
0cc54db1 JK |
63 | fds_example-objs := bpf_load.o fds_example.o |
64 | sockex1-objs := bpf_load.o sockex1_user.o | |
65 | sockex2-objs := bpf_load.o sockex2_user.o | |
66 | sockex3-objs := bpf_load.o sockex3_user.o | |
67 | tracex1-objs := bpf_load.o tracex1_user.o | |
68 | tracex2-objs := bpf_load.o tracex2_user.o | |
69 | tracex3-objs := bpf_load.o tracex3_user.o | |
70 | tracex4-objs := bpf_load.o tracex4_user.o | |
71 | tracex5-objs := bpf_load.o tracex5_user.o | |
72 | tracex6-objs := bpf_load.o tracex6_user.o | |
73 | tracex7-objs := bpf_load.o tracex7_user.o | |
74 | load_sock_ops-objs := bpf_load.o load_sock_ops.o | |
75 | test_probe_write_user-objs := bpf_load.o test_probe_write_user_user.o | |
76 | trace_output-objs := bpf_load.o trace_output_user.o $(TRACE_HELPERS) | |
77 | lathist-objs := bpf_load.o lathist_user.o | |
78 | offwaketime-objs := bpf_load.o offwaketime_user.o $(TRACE_HELPERS) | |
79 | spintest-objs := bpf_load.o spintest_user.o $(TRACE_HELPERS) | |
80 | map_perf_test-objs := bpf_load.o map_perf_test_user.o | |
81 | test_overhead-objs := bpf_load.o test_overhead_user.o | |
82 | test_cgrp2_array_pin-objs := test_cgrp2_array_pin.o | |
83 | test_cgrp2_attach-objs := test_cgrp2_attach.o | |
84 | test_cgrp2_attach2-objs := test_cgrp2_attach2.o $(CGROUP_HELPERS) | |
85 | test_cgrp2_sock-objs := test_cgrp2_sock.o | |
86 | test_cgrp2_sock2-objs := bpf_load.o test_cgrp2_sock2.o | |
87 | xdp1-objs := xdp1_user.o | |
764cbcce | 88 | # reuse xdp1 source intentionally |
0cc54db1 JK |
89 | xdp2-objs := xdp1_user.o |
90 | xdp_router_ipv4-objs := bpf_load.o xdp_router_ipv4_user.o | |
91 | test_current_task_under_cgroup-objs := bpf_load.o $(CGROUP_HELPERS) \ | |
9e6e60ec | 92 | test_current_task_under_cgroup_user.o |
0cc54db1 JK |
93 | trace_event-objs := bpf_load.o trace_event_user.o $(TRACE_HELPERS) |
94 | sampleip-objs := bpf_load.o sampleip_user.o $(TRACE_HELPERS) | |
95 | tc_l2_redirect-objs := bpf_load.o tc_l2_redirect_user.o | |
96 | lwt_len_hist-objs := bpf_load.o lwt_len_hist_user.o | |
97 | xdp_tx_iptunnel-objs := bpf_load.o xdp_tx_iptunnel_user.o | |
98 | test_map_in_map-objs := bpf_load.o test_map_in_map_user.o | |
99 | per_socket_stats_example-objs := cookie_uid_helper_example.o | |
100 | xdp_redirect-objs := bpf_load.o xdp_redirect_user.o | |
101 | xdp_redirect_map-objs := bpf_load.o xdp_redirect_map_user.o | |
102 | xdp_redirect_cpu-objs := bpf_load.o xdp_redirect_cpu_user.o | |
103 | xdp_monitor-objs := bpf_load.o xdp_monitor_user.o | |
104 | xdp_rxq_info-objs := xdp_rxq_info_user.o | |
105 | syscall_tp-objs := bpf_load.o syscall_tp_user.o | |
106 | cpustat-objs := bpf_load.o cpustat_user.o | |
107 | xdp_adjust_tail-objs := xdp_adjust_tail_user.o | |
6748182c | 108 | xdpsock-objs := xdpsock_user.o |
e1a40ef4 | 109 | xdp_fwd-objs := xdp_fwd_user.o |
ecb96f7f | 110 | task_fd_query-objs := bpf_load.o task_fd_query_user.o $(TRACE_HELPERS) |
1e54ad25 | 111 | xdp_sample_pkts-objs := xdp_sample_pkts_user.o $(TRACE_HELPERS) |
3c731eba AS |
112 | |
113 | # Tell kbuild to always build the programs | |
114 | always := $(hostprogs-y) | |
a8085782 | 115 | always += sockex1_kern.o |
fbe33108 | 116 | always += sockex2_kern.o |
530b2c86 | 117 | always += sockex3_kern.o |
b896c4f9 | 118 | always += tracex1_kern.o |
d822a192 | 119 | always += tracex2_kern.o |
5c7fc2d2 | 120 | always += tracex3_kern.o |
9811e353 | 121 | always += tracex4_kern.o |
5bacd780 | 122 | always += tracex5_kern.o |
47efb302 | 123 | always += tracex6_kern.o |
965de87e | 124 | always += tracex7_kern.o |
554ae6e7 | 125 | always += sock_flags_kern.o |
cf9b1199 | 126 | always += test_probe_write_user_kern.o |
39111695 | 127 | always += trace_output_kern.o |
91bc4822 | 128 | always += tcbpf1_kern.o |
90e02896 | 129 | always += tc_l2_redirect_kern.o |
0fb1170e | 130 | always += lathist_kern.o |
a6ffe7b9 | 131 | always += offwaketime_kern.o |
9d8b612d | 132 | always += spintest_kern.o |
26e90931 | 133 | always += map_perf_test_kern.o |
e3edfdec | 134 | always += test_overhead_tp_kern.o |
4662a4e5 | 135 | always += test_overhead_raw_tp_kern.o |
e3edfdec | 136 | always += test_overhead_kprobe_kern.o |
65d472fb | 137 | always += parse_varlen.o parse_simple.o parse_ldabs.o |
a3f74617 | 138 | always += test_cgrp2_tc_kern.o |
86af8b41 | 139 | always += xdp1_kern.o |
764cbcce | 140 | always += xdp2_kern.o |
3e29cd0e | 141 | always += xdp_router_ipv4_kern.o |
9e6e60ec | 142 | always += test_current_task_under_cgroup_kern.o |
1c47910e | 143 | always += trace_event_kern.o |
72874418 | 144 | always += sampleip_kern.o |
f74599f7 | 145 | always += lwt_len_hist_kern.o |
12d8bb64 | 146 | always += xdp_tx_iptunnel_kern.o |
fb30d4b7 | 147 | always += test_map_in_map_kern.o |
51570a5a | 148 | always += cookie_uid_helper_example.o |
61bc4d8d | 149 | always += tcp_synrto_kern.o |
c400296b | 150 | always += tcp_rwnd_kern.o |
d9925368 | 151 | always += tcp_bufs_kern.o |
bb56d444 | 152 | always += tcp_cong_kern.o |
7bc62e28 | 153 | always += tcp_iw_kern.o |
6c4a01b2 | 154 | always += tcp_clamp_kern.o |
c890063e | 155 | always += tcp_basertt_kern.o |
acb4ea95 | 156 | always += tcp_tos_reflect_kern.o |
832622e6 | 157 | always += xdp_redirect_kern.o |
9d6e0052 | 158 | always += xdp_redirect_map_kern.o |
fad3917e | 159 | always += xdp_redirect_cpu_kern.o |
3ffab546 | 160 | always += xdp_monitor_kern.o |
0fca931a | 161 | always += xdp_rxq_info_kern.o |
36e04a2d | 162 | always += xdp2skb_meta_kern.o |
1da236b6 | 163 | always += syscall_tp_kern.o |
c5350777 | 164 | always += cpustat_kern.o |
c6ffd1ff | 165 | always += xdp_adjust_tail_kern.o |
b4b8faa1 | 166 | always += xdpsock_kern.o |
fe616055 | 167 | always += xdp_fwd_kern.o |
ecb96f7f | 168 | always += task_fd_query_kern.o |
1e54ad25 | 169 | always += xdp_sample_pkts_kern.o |
3c731eba | 170 | |
96f14fe7 LA |
171 | KBUILD_HOSTCFLAGS += -I$(objtree)/usr/include |
172 | KBUILD_HOSTCFLAGS += -I$(srctree)/tools/lib/ | |
173 | KBUILD_HOSTCFLAGS += -I$(srctree)/tools/testing/selftests/bpf/ | |
174 | KBUILD_HOSTCFLAGS += -I$(srctree)/tools/lib/ -I$(srctree)/tools/include | |
175 | KBUILD_HOSTCFLAGS += -I$(srctree)/tools/perf | |
a8085782 AS |
176 | |
177 | HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable | |
d0cabbb0 JK |
178 | HOSTCFLAGS_trace_helpers.o += -I$(srctree)/tools/lib/bpf/ |
179 | ||
180 | HOSTCFLAGS_trace_output_user.o += -I$(srctree)/tools/lib/bpf/ | |
181 | HOSTCFLAGS_offwaketime_user.o += -I$(srctree)/tools/lib/bpf/ | |
182 | HOSTCFLAGS_spintest_user.o += -I$(srctree)/tools/lib/bpf/ | |
183 | HOSTCFLAGS_trace_event_user.o += -I$(srctree)/tools/lib/bpf/ | |
184 | HOSTCFLAGS_sampleip_user.o += -I$(srctree)/tools/lib/bpf/ | |
ecb96f7f | 185 | HOSTCFLAGS_task_fd_query_user.o += -I$(srctree)/tools/lib/bpf/ |
1e54ad25 | 186 | HOSTCFLAGS_xdp_sample_pkts_user.o += -I$(srctree)/tools/lib/bpf/ |
d0cabbb0 | 187 | |
8377bd2b LA |
188 | KBUILD_HOSTLDLIBS += $(LIBBPF) -lelf |
189 | HOSTLDLIBS_tracex4 += -lrt | |
190 | HOSTLDLIBS_trace_output += -lrt | |
191 | HOSTLDLIBS_map_perf_test += -lrt | |
192 | HOSTLDLIBS_test_overhead += -lrt | |
193 | HOSTLDLIBS_xdpsock += -pthread | |
a8085782 | 194 | |
bdefbbf2 JDB |
195 | # Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline: |
196 | # make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang | |
6ccfba75 | 197 | LLC ?= llc |
bdefbbf2 | 198 | CLANG ?= clang |
9778cfdf TS |
199 | LLVM_OBJCOPY ?= llvm-objcopy |
200 | BTF_PAHOLE ?= pahole | |
6ccfba75 | 201 | |
876e88e3 JF |
202 | # Detect that we're cross compiling and use the cross compiler |
203 | ifdef CROSS_COMPILE | |
204 | HOSTCC = $(CROSS_COMPILE)gcc | |
9db95838 | 205 | CLANG_ARCH_ARGS = -target $(ARCH) |
876e88e3 JF |
206 | endif |
207 | ||
9778cfdf TS |
208 | BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris) |
209 | BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF) | |
210 | BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm') | |
211 | ||
212 | ifneq ($(and $(BTF_LLC_PROBE),$(BTF_PAHOLE_PROBE),$(BTF_OBJCOPY_PROBE)),) | |
213 | EXTRA_CFLAGS += -g | |
214 | LLC_FLAGS += -mattr=dwarfris | |
215 | DWARF2BTF = y | |
216 | endif | |
217 | ||
b62a796c | 218 | # Trick to allow make to be run from this directory |
787360f8 JK |
219 | all: |
220 | $(MAKE) -C ../../ $(CURDIR)/ BPF_SAMPLES_PATH=$(CURDIR) | |
b62a796c JDB |
221 | |
222 | clean: | |
e19b7cee | 223 | $(MAKE) -C ../../ M=$(CURDIR) clean |
b62a796c JDB |
224 | @rm -f *~ |
225 | ||
c25ef6a5 | 226 | $(LIBBPF): FORCE |
787360f8 JK |
227 | # Fix up variables inherited from Kbuild that tools/ build system won't like |
228 | $(MAKE) -C $(dir $@) RM='rm -rf' LDFLAGS= srctree=$(BPF_SAMPLES_PATH)/../../ O= | |
c25ef6a5 | 229 | |
4b7190e8 DD |
230 | $(obj)/syscall_nrs.s: $(src)/syscall_nrs.c |
231 | $(call if_changed_dep,cc_s_c) | |
232 | ||
233 | $(obj)/syscall_nrs.h: $(obj)/syscall_nrs.s FORCE | |
234 | $(call filechk,offsets,__SYSCALL_NRS_H__) | |
235 | ||
236 | clean-files += syscall_nrs.h | |
237 | ||
238 | FORCE: | |
239 | ||
240 | ||
bdefbbf2 JDB |
241 | # Verify LLVM compiler tools are available and bpf target is supported by llc |
242 | .PHONY: verify_cmds verify_target_bpf $(CLANG) $(LLC) | |
7b01dd57 | 243 | |
bdefbbf2 JDB |
244 | verify_cmds: $(CLANG) $(LLC) |
245 | @for TOOL in $^ ; do \ | |
246 | if ! (which -- "$${TOOL}" > /dev/null 2>&1); then \ | |
247 | echo "*** ERROR: Cannot find LLVM tool $${TOOL}" ;\ | |
248 | exit 1; \ | |
249 | else true; fi; \ | |
250 | done | |
7b01dd57 | 251 | |
bdefbbf2 | 252 | verify_target_bpf: verify_cmds |
7b01dd57 JDB |
253 | @if ! (${LLC} -march=bpf -mattr=help > /dev/null 2>&1); then \ |
254 | echo "*** ERROR: LLVM (${LLC}) does not support 'bpf' target" ;\ | |
255 | echo " NOTICE: LLVM version >= 3.7.1 required" ;\ | |
256 | exit 2; \ | |
257 | else true; fi | |
258 | ||
787360f8 JK |
259 | $(BPF_SAMPLES_PATH)/*.c: verify_target_bpf $(LIBBPF) |
260 | $(src)/*.c: verify_target_bpf $(LIBBPF) | |
7b01dd57 | 261 | |
4b7190e8 DD |
262 | $(obj)/tracex5_kern.o: $(obj)/syscall_nrs.h |
263 | ||
128d1514 NR |
264 | # asm/sysreg.h - inline assembly used by it is incompatible with llvm. |
265 | # But, there is no easy way to fix it, so just exclude it since it is | |
30b50aa6 | 266 | # useless for BPF samples. |
b88c06e3 | 267 | $(obj)/%.o: $(src)/%.c |
768759ed JK |
268 | @echo " CLANG-bpf " $@ |
269 | $(Q)$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) -I$(obj) \ | |
53335022 | 270 | -I$(srctree)/tools/testing/selftests/bpf/ \ |
b1ae32db | 271 | -D__KERNEL__ -D__BPF_TRACING__ -Wno-unused-value -Wno-pointer-sign \ |
b655fc1c | 272 | -D__TARGET_ARCH_$(ARCH) -Wno-compare-distinct-pointer-types \ |
69a9d09b AS |
273 | -Wno-gnu-variable-sized-type-not-at-end \ |
274 | -Wno-address-of-packed-member -Wno-tautological-compare \ | |
9db95838 | 275 | -Wno-unknown-warning-option $(CLANG_ARCH_ARGS) \ |
9778cfdf TS |
276 | -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf $(LLC_FLAGS) -filetype=obj -o $@ |
277 | ifeq ($(DWARF2BTF),y) | |
278 | $(BTF_PAHOLE) -J $@ | |
279 | endif |