Commit | Line | Data |
---|---|---|
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 |
1d97c6c2 IK |
7 | tprogs-y := test_lru_dist |
8 | tprogs-y += sock_example | |
9 | tprogs-y += fds_example | |
10 | tprogs-y += sockex1 | |
11 | tprogs-y += sockex2 | |
12 | tprogs-y += sockex3 | |
13 | tprogs-y += tracex1 | |
14 | tprogs-y += tracex2 | |
15 | tprogs-y += tracex3 | |
16 | tprogs-y += tracex4 | |
17 | tprogs-y += tracex5 | |
18 | tprogs-y += tracex6 | |
19 | tprogs-y += tracex7 | |
20 | tprogs-y += test_probe_write_user | |
21 | tprogs-y += trace_output | |
22 | tprogs-y += lathist | |
23 | tprogs-y += offwaketime | |
24 | tprogs-y += spintest | |
25 | tprogs-y += map_perf_test | |
26 | tprogs-y += test_overhead | |
27 | tprogs-y += test_cgrp2_array_pin | |
28 | tprogs-y += test_cgrp2_attach | |
29 | tprogs-y += test_cgrp2_sock | |
30 | tprogs-y += test_cgrp2_sock2 | |
31 | tprogs-y += xdp1 | |
32 | tprogs-y += xdp2 | |
33 | tprogs-y += xdp_router_ipv4 | |
34 | tprogs-y += test_current_task_under_cgroup | |
35 | tprogs-y += trace_event | |
36 | tprogs-y += sampleip | |
37 | tprogs-y += tc_l2_redirect | |
38 | tprogs-y += lwt_len_hist | |
39 | tprogs-y += xdp_tx_iptunnel | |
40 | tprogs-y += test_map_in_map | |
5984dc6c PB |
41 | tprogs-y += per_socket_stats_example |
42 | tprogs-y += xdp_redirect | |
1d97c6c2 IK |
43 | tprogs-y += xdp_redirect_map |
44 | tprogs-y += xdp_redirect_cpu | |
45 | tprogs-y += xdp_monitor | |
46 | tprogs-y += xdp_rxq_info | |
47 | tprogs-y += syscall_tp | |
48 | tprogs-y += cpustat | |
49 | tprogs-y += xdp_adjust_tail | |
50 | tprogs-y += xdpsock | |
35149b2c | 51 | tprogs-y += xsk_fwd |
1d97c6c2 IK |
52 | tprogs-y += xdp_fwd |
53 | tprogs-y += task_fd_query | |
54 | tprogs-y += xdp_sample_pkts | |
55 | tprogs-y += ibumad | |
56 | tprogs-y += hbm | |
3c731eba | 57 | |
43371c83 | 58 | # Libbpf dependencies |
787360f8 JK |
59 | LIBBPF = $(TOOLS_PATH)/lib/bpf/libbpf.a |
60 | ||
9d1f1594 | 61 | CGROUP_HELPERS := ../../tools/testing/selftests/bpf/cgroup_helpers.o |
28dbf861 | 62 | TRACE_HELPERS := ../../tools/testing/selftests/bpf/trace_helpers.o |
43371c83 | 63 | |
1a9b268c JK |
64 | fds_example-objs := fds_example.o |
65 | sockex1-objs := sockex1_user.o | |
66 | sockex2-objs := sockex2_user.o | |
bc1a8597 | 67 | sockex3-objs := sockex3_user.o |
63841bc0 DL |
68 | tracex1-objs := tracex1_user.o $(TRACE_HELPERS) |
69 | tracex2-objs := tracex2_user.o | |
70 | tracex3-objs := tracex3_user.o | |
71 | tracex4-objs := tracex4_user.o | |
bc1a8597 | 72 | tracex5-objs := tracex5_user.o $(TRACE_HELPERS) |
63841bc0 DL |
73 | tracex6-objs := tracex6_user.o |
74 | tracex7-objs := tracex7_user.o | |
3677d0a1 DL |
75 | test_probe_write_user-objs := test_probe_write_user_user.o |
76 | trace_output-objs := trace_output_user.o $(TRACE_HELPERS) | |
77 | lathist-objs := lathist_user.o | |
f0c328f8 | 78 | offwaketime-objs := offwaketime_user.o $(TRACE_HELPERS) |
3677d0a1 | 79 | spintest-objs := spintest_user.o $(TRACE_HELPERS) |
35a8b6dd | 80 | map_perf_test-objs := map_perf_test_user.o |
0cc54db1 JK |
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 | |
0cc54db1 JK |
84 | test_cgrp2_sock-objs := test_cgrp2_sock.o |
85 | test_cgrp2_sock2-objs := bpf_load.o test_cgrp2_sock2.o | |
86 | xdp1-objs := xdp1_user.o | |
764cbcce | 87 | # reuse xdp1 source intentionally |
0cc54db1 | 88 | xdp2-objs := xdp1_user.o |
bbaf6029 | 89 | xdp_router_ipv4-objs := xdp_router_ipv4_user.o |
3677d0a1 | 90 | test_current_task_under_cgroup-objs := $(CGROUP_HELPERS) \ |
9e6e60ec | 91 | test_current_task_under_cgroup_user.o |
aa5e2af6 DL |
92 | trace_event-objs := trace_event_user.o $(TRACE_HELPERS) |
93 | sampleip-objs := sampleip_user.o $(TRACE_HELPERS) | |
0cc54db1 JK |
94 | tc_l2_redirect-objs := bpf_load.o tc_l2_redirect_user.o |
95 | lwt_len_hist-objs := bpf_load.o lwt_len_hist_user.o | |
bbaf6029 | 96 | xdp_tx_iptunnel-objs := xdp_tx_iptunnel_user.o |
88795b4a | 97 | test_map_in_map-objs := test_map_in_map_user.o |
0cc54db1 | 98 | per_socket_stats_example-objs := cookie_uid_helper_example.o |
bbaf6029 MF |
99 | xdp_redirect-objs := xdp_redirect_user.o |
100 | xdp_redirect_map-objs := xdp_redirect_map_user.o | |
0cc54db1 JK |
101 | xdp_redirect_cpu-objs := bpf_load.o xdp_redirect_cpu_user.o |
102 | xdp_monitor-objs := bpf_load.o xdp_monitor_user.o | |
103 | xdp_rxq_info-objs := xdp_rxq_info_user.o | |
f0c328f8 DL |
104 | syscall_tp-objs := syscall_tp_user.o |
105 | cpustat-objs := cpustat_user.o | |
0cc54db1 | 106 | xdp_adjust_tail-objs := xdp_adjust_tail_user.o |
6748182c | 107 | xdpsock-objs := xdpsock_user.o |
35149b2c | 108 | xsk_fwd-objs := xsk_fwd.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) |
0ac01feb | 112 | ibumad-objs := bpf_load.o ibumad_user.o $(TRACE_HELPERS) |
a1270fe9 | 113 | hbm-objs := bpf_load.o hbm.o $(CGROUP_HELPERS) |
3c731eba AS |
114 | |
115 | # Tell kbuild to always build the programs | |
5f2fb52f MY |
116 | always-y := $(tprogs-y) |
117 | always-y += sockex1_kern.o | |
118 | always-y += sockex2_kern.o | |
119 | always-y += sockex3_kern.o | |
120 | always-y += tracex1_kern.o | |
121 | always-y += tracex2_kern.o | |
122 | always-y += tracex3_kern.o | |
123 | always-y += tracex4_kern.o | |
124 | always-y += tracex5_kern.o | |
125 | always-y += tracex6_kern.o | |
126 | always-y += tracex7_kern.o | |
127 | always-y += sock_flags_kern.o | |
128 | always-y += test_probe_write_user_kern.o | |
129 | always-y += trace_output_kern.o | |
130 | always-y += tcbpf1_kern.o | |
131 | always-y += tc_l2_redirect_kern.o | |
132 | always-y += lathist_kern.o | |
133 | always-y += offwaketime_kern.o | |
134 | always-y += spintest_kern.o | |
135 | always-y += map_perf_test_kern.o | |
136 | always-y += test_overhead_tp_kern.o | |
137 | always-y += test_overhead_raw_tp_kern.o | |
138 | always-y += test_overhead_kprobe_kern.o | |
139 | always-y += parse_varlen.o parse_simple.o parse_ldabs.o | |
140 | always-y += test_cgrp2_tc_kern.o | |
141 | always-y += xdp1_kern.o | |
142 | always-y += xdp2_kern.o | |
143 | always-y += xdp_router_ipv4_kern.o | |
144 | always-y += test_current_task_under_cgroup_kern.o | |
145 | always-y += trace_event_kern.o | |
146 | always-y += sampleip_kern.o | |
147 | always-y += lwt_len_hist_kern.o | |
148 | always-y += xdp_tx_iptunnel_kern.o | |
149 | always-y += test_map_in_map_kern.o | |
150 | always-y += tcp_synrto_kern.o | |
151 | always-y += tcp_rwnd_kern.o | |
152 | always-y += tcp_bufs_kern.o | |
153 | always-y += tcp_cong_kern.o | |
154 | always-y += tcp_iw_kern.o | |
155 | always-y += tcp_clamp_kern.o | |
156 | always-y += tcp_basertt_kern.o | |
157 | always-y += tcp_tos_reflect_kern.o | |
158 | always-y += tcp_dumpstats_kern.o | |
159 | always-y += xdp_redirect_kern.o | |
160 | always-y += xdp_redirect_map_kern.o | |
161 | always-y += xdp_redirect_cpu_kern.o | |
162 | always-y += xdp_monitor_kern.o | |
163 | always-y += xdp_rxq_info_kern.o | |
164 | always-y += xdp2skb_meta_kern.o | |
165 | always-y += syscall_tp_kern.o | |
166 | always-y += cpustat_kern.o | |
167 | always-y += xdp_adjust_tail_kern.o | |
168 | always-y += xdp_fwd_kern.o | |
169 | always-y += task_fd_query_kern.o | |
170 | always-y += xdp_sample_pkts_kern.o | |
171 | always-y += ibumad_kern.o | |
172 | always-y += hbm_out_kern.o | |
173 | always-y += hbm_edt_kern.o | |
174 | always-y += xdpsock_kern.o | |
3c731eba | 175 | |
0e865aed IK |
176 | ifeq ($(ARCH), arm) |
177 | # Strip all except -D__LINUX_ARM_ARCH__ option needed to handle linux | |
178 | # headers when arm instruction set identification is requested. | |
179 | ARM_ARCH_SELECTOR := $(filter -D__LINUX_ARM_ARCH__%, $(KBUILD_CFLAGS)) | |
180 | BPF_EXTRA_CFLAGS := $(ARM_ARCH_SELECTOR) | |
1d97c6c2 | 181 | TPROGS_CFLAGS += $(ARM_ARCH_SELECTOR) |
0e865aed IK |
182 | endif |
183 | ||
10cb3d87 IK |
184 | TPROGS_CFLAGS += -Wall -O2 |
185 | TPROGS_CFLAGS += -Wmissing-prototypes | |
186 | TPROGS_CFLAGS += -Wstrict-prototypes | |
187 | ||
1d97c6c2 | 188 | TPROGS_CFLAGS += -I$(objtree)/usr/include |
1d97c6c2 IK |
189 | TPROGS_CFLAGS += -I$(srctree)/tools/testing/selftests/bpf/ |
190 | TPROGS_CFLAGS += -I$(srctree)/tools/lib/ | |
191 | TPROGS_CFLAGS += -I$(srctree)/tools/include | |
192 | TPROGS_CFLAGS += -I$(srctree)/tools/perf | |
14684b93 | 193 | TPROGS_CFLAGS += -DHAVE_ATTR_TEST=0 |
1d97c6c2 | 194 | |
b2327c10 IK |
195 | ifdef SYSROOT |
196 | TPROGS_CFLAGS += --sysroot=$(SYSROOT) | |
197 | TPROGS_LDFLAGS := -L$(SYSROOT)/usr/lib | |
198 | endif | |
199 | ||
1d97c6c2 IK |
200 | TPROGCFLAGS_bpf_load.o += -Wno-unused-variable |
201 | ||
5615ed47 | 202 | TPROGS_LDLIBS += $(LIBBPF) -lelf -lz |
1d97c6c2 IK |
203 | TPROGLDLIBS_tracex4 += -lrt |
204 | TPROGLDLIBS_trace_output += -lrt | |
205 | TPROGLDLIBS_map_perf_test += -lrt | |
206 | TPROGLDLIBS_test_overhead += -lrt | |
207 | TPROGLDLIBS_xdpsock += -pthread | |
35149b2c | 208 | TPROGLDLIBS_xsk_fwd += -pthread |
1d97c6c2 | 209 | |
bdefbbf2 | 210 | # Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline: |
6cc2c876 | 211 | # make M=samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang |
6ccfba75 | 212 | LLC ?= llc |
bdefbbf2 | 213 | CLANG ?= clang |
9618bde4 YS |
214 | OPT ?= opt |
215 | LLVM_DIS ?= llvm-dis | |
9778cfdf TS |
216 | LLVM_OBJCOPY ?= llvm-objcopy |
217 | BTF_PAHOLE ?= pahole | |
6ccfba75 | 218 | |
876e88e3 JF |
219 | # Detect that we're cross compiling and use the cross compiler |
220 | ifdef CROSS_COMPILE | |
518c1340 | 221 | CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%)) |
876e88e3 JF |
222 | endif |
223 | ||
0ed3cc4a JK |
224 | # Don't evaluate probes and warnings if we need to run make recursively |
225 | ifneq ($(src),) | |
cdd5b2d1 | 226 | HDR_PROBE := $(shell printf "\#include <linux/types.h>\n struct list_head { int a; }; int main() { return 0; }" | \ |
a833effa IK |
227 | $(CC) $(TPROGS_CFLAGS) $(TPROGS_LDFLAGS) -x c - \ |
228 | -o /dev/null 2>/dev/null && echo okay) | |
07c3bbdb JK |
229 | |
230 | ifeq ($(HDR_PROBE),) | |
231 | $(warning WARNING: Detected possible issues with include path.) | |
232 | $(warning WARNING: Please install kernel headers locally (make headers_install).) | |
233 | endif | |
234 | ||
9778cfdf TS |
235 | BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris) |
236 | BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF) | |
237 | BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm') | |
9ce6ae22 YS |
238 | BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \ |
239 | $(CLANG) -target bpf -O2 -g -c -x c - -o ./llvm_btf_verify.o; \ | |
240 | readelf -S ./llvm_btf_verify.o | grep BTF; \ | |
241 | /bin/rm -f ./llvm_btf_verify.o) | |
9778cfdf | 242 | |
45027897 | 243 | BPF_EXTRA_CFLAGS += -fno-stack-protector |
9ce6ae22 | 244 | ifneq ($(BTF_LLVM_PROBE),) |
2a560df7 | 245 | BPF_EXTRA_CFLAGS += -g |
9ce6ae22 | 246 | else |
9778cfdf | 247 | ifneq ($(and $(BTF_LLC_PROBE),$(BTF_PAHOLE_PROBE),$(BTF_OBJCOPY_PROBE)),) |
2a560df7 | 248 | BPF_EXTRA_CFLAGS += -g |
9778cfdf TS |
249 | LLC_FLAGS += -mattr=dwarfris |
250 | DWARF2BTF = y | |
251 | endif | |
9ce6ae22 | 252 | endif |
0ed3cc4a | 253 | endif |
9778cfdf | 254 | |
b62a796c | 255 | # Trick to allow make to be run from this directory |
787360f8 | 256 | all: |
6cc2c876 | 257 | $(MAKE) -C ../../ M=$(CURDIR) BPF_SAMPLES_PATH=$(CURDIR) |
b62a796c JDB |
258 | |
259 | clean: | |
e19b7cee | 260 | $(MAKE) -C ../../ M=$(CURDIR) clean |
b2e5e93a | 261 | @find $(CURDIR) -type f -name '*~' -delete |
b62a796c | 262 | |
c25ef6a5 | 263 | $(LIBBPF): FORCE |
787360f8 | 264 | # Fix up variables inherited from Kbuild that tools/ build system won't like |
d8ceae91 IK |
265 | $(MAKE) -C $(dir $@) RM='rm -rf' EXTRA_CFLAGS="$(TPROGS_CFLAGS)" \ |
266 | LDFLAGS=$(TPROGS_LDFLAGS) srctree=$(BPF_SAMPLES_PATH)/../../ O= | |
c25ef6a5 | 267 | |
4b7190e8 DD |
268 | $(obj)/syscall_nrs.h: $(obj)/syscall_nrs.s FORCE |
269 | $(call filechk,offsets,__SYSCALL_NRS_H__) | |
270 | ||
2c667d77 | 271 | targets += syscall_nrs.s |
4b7190e8 DD |
272 | clean-files += syscall_nrs.h |
273 | ||
274 | FORCE: | |
275 | ||
276 | ||
bdefbbf2 JDB |
277 | # Verify LLVM compiler tools are available and bpf target is supported by llc |
278 | .PHONY: verify_cmds verify_target_bpf $(CLANG) $(LLC) | |
7b01dd57 | 279 | |
bdefbbf2 JDB |
280 | verify_cmds: $(CLANG) $(LLC) |
281 | @for TOOL in $^ ; do \ | |
282 | if ! (which -- "$${TOOL}" > /dev/null 2>&1); then \ | |
283 | echo "*** ERROR: Cannot find LLVM tool $${TOOL}" ;\ | |
284 | exit 1; \ | |
285 | else true; fi; \ | |
286 | done | |
7b01dd57 | 287 | |
bdefbbf2 | 288 | verify_target_bpf: verify_cmds |
7b01dd57 JDB |
289 | @if ! (${LLC} -march=bpf -mattr=help > /dev/null 2>&1); then \ |
290 | echo "*** ERROR: LLVM (${LLC}) does not support 'bpf' target" ;\ | |
291 | echo " NOTICE: LLVM version >= 3.7.1 required" ;\ | |
292 | exit 2; \ | |
293 | else true; fi | |
294 | ||
787360f8 JK |
295 | $(BPF_SAMPLES_PATH)/*.c: verify_target_bpf $(LIBBPF) |
296 | $(src)/*.c: verify_target_bpf $(LIBBPF) | |
7b01dd57 | 297 | |
4b7190e8 | 298 | $(obj)/tracex5_kern.o: $(obj)/syscall_nrs.h |
187d0738 | 299 | $(obj)/hbm_out_kern.o: $(src)/hbm.h $(src)/hbm_kern.h |
a1270fe9 | 300 | $(obj)/hbm.o: $(src)/hbm.h |
71634d7f | 301 | $(obj)/hbm_edt_kern.o: $(src)/hbm.h $(src)/hbm_kern.h |
4b7190e8 | 302 | |
1d97c6c2 IK |
303 | -include $(BPF_SAMPLES_PATH)/Makefile.target |
304 | ||
128d1514 NR |
305 | # asm/sysreg.h - inline assembly used by it is incompatible with llvm. |
306 | # But, there is no easy way to fix it, so just exclude it since it is | |
30b50aa6 | 307 | # useless for BPF samples. |
9618bde4 YS |
308 | # below we use long chain of commands, clang | opt | llvm-dis | llc, |
309 | # to generate final object file. 'clang' compiles the source into IR | |
310 | # with native target, e.g., x64, arm64, etc. 'opt' does bpf CORE IR builtin | |
311 | # processing (llvm12) and IR optimizations. 'llvm-dis' converts | |
312 | # 'opt' output to IR, and finally 'llc' generates bpf byte code. | |
b88c06e3 | 313 | $(obj)/%.o: $(src)/%.c |
768759ed | 314 | @echo " CLANG-bpf " $@ |
2a560df7 IK |
315 | $(Q)$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(BPF_EXTRA_CFLAGS) \ |
316 | -I$(obj) -I$(srctree)/tools/testing/selftests/bpf/ \ | |
7cf245a3 | 317 | -I$(srctree)/tools/lib/ \ |
b1ae32db | 318 | -D__KERNEL__ -D__BPF_TRACING__ -Wno-unused-value -Wno-pointer-sign \ |
81f522f9 | 319 | -D__TARGET_ARCH_$(SRCARCH) -Wno-compare-distinct-pointer-types \ |
69a9d09b AS |
320 | -Wno-gnu-variable-sized-type-not-at-end \ |
321 | -Wno-address-of-packed-member -Wno-tautological-compare \ | |
9db95838 | 322 | -Wno-unknown-warning-option $(CLANG_ARCH_ARGS) \ |
6bf3bbe1 | 323 | -I$(srctree)/samples/bpf/ -include asm_goto_workaround.h \ |
9618bde4 YS |
324 | -O2 -emit-llvm -Xclang -disable-llvm-passes -c $< -o - | \ |
325 | $(OPT) -O2 -mtriple=bpf-pc-linux | $(LLVM_DIS) | \ | |
326 | $(LLC) -march=bpf $(LLC_FLAGS) -filetype=obj -o $@ | |
9778cfdf TS |
327 | ifeq ($(DWARF2BTF),y) |
328 | $(BTF_PAHOLE) -J $@ | |
329 | endif |