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Commit | Line | Data |
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3c731eba AS |
1 | # kbuild trick to avoid linker error. Can be omitted if a module is built. |
2 | obj- := dummy.o | |
3 | ||
4 | # List of programs to build | |
5db58faf | 5 | hostprogs-y := test_lru_dist |
03f4723e | 6 | hostprogs-y += sock_example |
42984d7c | 7 | hostprogs-y += fds_example |
a8085782 | 8 | hostprogs-y += sockex1 |
fbe33108 | 9 | hostprogs-y += sockex2 |
530b2c86 | 10 | hostprogs-y += sockex3 |
b896c4f9 | 11 | hostprogs-y += tracex1 |
d822a192 | 12 | hostprogs-y += tracex2 |
5c7fc2d2 | 13 | hostprogs-y += tracex3 |
9811e353 | 14 | hostprogs-y += tracex4 |
5bacd780 | 15 | hostprogs-y += tracex5 |
47efb302 | 16 | hostprogs-y += tracex6 |
cf9b1199 | 17 | hostprogs-y += test_probe_write_user |
39111695 | 18 | hostprogs-y += trace_output |
0fb1170e | 19 | hostprogs-y += lathist |
a6ffe7b9 | 20 | hostprogs-y += offwaketime |
9d8b612d | 21 | hostprogs-y += spintest |
26e90931 | 22 | hostprogs-y += map_perf_test |
e3edfdec | 23 | hostprogs-y += test_overhead |
a3f74617 | 24 | hostprogs-y += test_cgrp2_array_pin |
d8c5b17f | 25 | hostprogs-y += test_cgrp2_attach |
9b474ece | 26 | hostprogs-y += test_cgrp2_attach2 |
ad2805dc | 27 | hostprogs-y += test_cgrp2_sock |
554ae6e7 | 28 | hostprogs-y += test_cgrp2_sock2 |
86af8b41 | 29 | hostprogs-y += xdp1 |
764cbcce | 30 | hostprogs-y += xdp2 |
9e6e60ec | 31 | hostprogs-y += test_current_task_under_cgroup |
1c47910e | 32 | hostprogs-y += trace_event |
72874418 | 33 | hostprogs-y += sampleip |
90e02896 | 34 | hostprogs-y += tc_l2_redirect |
f74599f7 | 35 | hostprogs-y += lwt_len_hist |
12d8bb64 | 36 | hostprogs-y += xdp_tx_iptunnel |
3c731eba | 37 | |
43371c83 JS |
38 | # Libbpf dependencies |
39 | LIBBPF := libbpf.o ../../tools/lib/bpf/bpf.o | |
40 | ||
41 | test_lru_dist-objs := test_lru_dist.o $(LIBBPF) | |
42 | sock_example-objs := sock_example.o $(LIBBPF) | |
43 | fds_example-objs := bpf_load.o $(LIBBPF) fds_example.o | |
44 | sockex1-objs := bpf_load.o $(LIBBPF) sockex1_user.o | |
45 | sockex2-objs := bpf_load.o $(LIBBPF) sockex2_user.o | |
46 | sockex3-objs := bpf_load.o $(LIBBPF) sockex3_user.o | |
47 | tracex1-objs := bpf_load.o $(LIBBPF) tracex1_user.o | |
48 | tracex2-objs := bpf_load.o $(LIBBPF) tracex2_user.o | |
49 | tracex3-objs := bpf_load.o $(LIBBPF) tracex3_user.o | |
50 | tracex4-objs := bpf_load.o $(LIBBPF) tracex4_user.o | |
51 | tracex5-objs := bpf_load.o $(LIBBPF) tracex5_user.o | |
52 | tracex6-objs := bpf_load.o $(LIBBPF) tracex6_user.o | |
53 | test_probe_write_user-objs := bpf_load.o $(LIBBPF) test_probe_write_user_user.o | |
54 | trace_output-objs := bpf_load.o $(LIBBPF) trace_output_user.o | |
55 | lathist-objs := bpf_load.o $(LIBBPF) lathist_user.o | |
56 | offwaketime-objs := bpf_load.o $(LIBBPF) offwaketime_user.o | |
57 | spintest-objs := bpf_load.o $(LIBBPF) spintest_user.o | |
58 | map_perf_test-objs := bpf_load.o $(LIBBPF) map_perf_test_user.o | |
59 | test_overhead-objs := bpf_load.o $(LIBBPF) test_overhead_user.o | |
60 | test_cgrp2_array_pin-objs := $(LIBBPF) test_cgrp2_array_pin.o | |
61 | test_cgrp2_attach-objs := $(LIBBPF) test_cgrp2_attach.o | |
62 | test_cgrp2_attach2-objs := $(LIBBPF) test_cgrp2_attach2.o cgroup_helpers.o | |
63 | test_cgrp2_sock-objs := $(LIBBPF) test_cgrp2_sock.o | |
64 | test_cgrp2_sock2-objs := bpf_load.o $(LIBBPF) test_cgrp2_sock2.o | |
65 | xdp1-objs := bpf_load.o $(LIBBPF) xdp1_user.o | |
764cbcce | 66 | # reuse xdp1 source intentionally |
43371c83 JS |
67 | xdp2-objs := bpf_load.o $(LIBBPF) xdp1_user.o |
68 | test_current_task_under_cgroup-objs := bpf_load.o $(LIBBPF) cgroup_helpers.o \ | |
9e6e60ec | 69 | test_current_task_under_cgroup_user.o |
43371c83 JS |
70 | trace_event-objs := bpf_load.o $(LIBBPF) trace_event_user.o |
71 | sampleip-objs := bpf_load.o $(LIBBPF) sampleip_user.o | |
72 | tc_l2_redirect-objs := bpf_load.o $(LIBBPF) tc_l2_redirect_user.o | |
73 | lwt_len_hist-objs := bpf_load.o $(LIBBPF) lwt_len_hist_user.o | |
74 | xdp_tx_iptunnel-objs := bpf_load.o $(LIBBPF) xdp_tx_iptunnel_user.o | |
3c731eba AS |
75 | |
76 | # Tell kbuild to always build the programs | |
77 | always := $(hostprogs-y) | |
a8085782 | 78 | always += sockex1_kern.o |
fbe33108 | 79 | always += sockex2_kern.o |
530b2c86 | 80 | always += sockex3_kern.o |
b896c4f9 | 81 | always += tracex1_kern.o |
d822a192 | 82 | always += tracex2_kern.o |
5c7fc2d2 | 83 | always += tracex3_kern.o |
9811e353 | 84 | always += tracex4_kern.o |
5bacd780 | 85 | always += tracex5_kern.o |
47efb302 | 86 | always += tracex6_kern.o |
554ae6e7 | 87 | always += sock_flags_kern.o |
cf9b1199 | 88 | always += test_probe_write_user_kern.o |
39111695 | 89 | always += trace_output_kern.o |
91bc4822 | 90 | always += tcbpf1_kern.o |
6afb1e28 | 91 | always += tcbpf2_kern.o |
90e02896 | 92 | always += tc_l2_redirect_kern.o |
0fb1170e | 93 | always += lathist_kern.o |
a6ffe7b9 | 94 | always += offwaketime_kern.o |
9d8b612d | 95 | always += spintest_kern.o |
26e90931 | 96 | always += map_perf_test_kern.o |
e3edfdec AS |
97 | always += test_overhead_tp_kern.o |
98 | always += test_overhead_kprobe_kern.o | |
65d472fb | 99 | always += parse_varlen.o parse_simple.o parse_ldabs.o |
a3f74617 | 100 | always += test_cgrp2_tc_kern.o |
86af8b41 | 101 | always += xdp1_kern.o |
764cbcce | 102 | always += xdp2_kern.o |
9e6e60ec | 103 | always += test_current_task_under_cgroup_kern.o |
1c47910e | 104 | always += trace_event_kern.o |
72874418 | 105 | always += sampleip_kern.o |
f74599f7 | 106 | always += lwt_len_hist_kern.o |
12d8bb64 | 107 | always += xdp_tx_iptunnel_kern.o |
3c731eba AS |
108 | |
109 | HOSTCFLAGS += -I$(objtree)/usr/include | |
43371c83 | 110 | HOSTCFLAGS += -I$(srctree)/tools/lib/ |
9bee294f | 111 | HOSTCFLAGS += -I$(srctree)/tools/testing/selftests/bpf/ |
a8085782 AS |
112 | |
113 | HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable | |
42984d7c | 114 | HOSTLOADLIBES_fds_example += -lelf |
a8085782 | 115 | HOSTLOADLIBES_sockex1 += -lelf |
fbe33108 | 116 | HOSTLOADLIBES_sockex2 += -lelf |
530b2c86 | 117 | HOSTLOADLIBES_sockex3 += -lelf |
b896c4f9 | 118 | HOSTLOADLIBES_tracex1 += -lelf |
d822a192 | 119 | HOSTLOADLIBES_tracex2 += -lelf |
5c7fc2d2 | 120 | HOSTLOADLIBES_tracex3 += -lelf |
9811e353 | 121 | HOSTLOADLIBES_tracex4 += -lelf -lrt |
5bacd780 | 122 | HOSTLOADLIBES_tracex5 += -lelf |
47efb302 | 123 | HOSTLOADLIBES_tracex6 += -lelf |
554ae6e7 | 124 | HOSTLOADLIBES_test_cgrp2_sock2 += -lelf |
cf9b1199 | 125 | HOSTLOADLIBES_test_probe_write_user += -lelf |
39111695 | 126 | HOSTLOADLIBES_trace_output += -lelf -lrt |
0fb1170e | 127 | HOSTLOADLIBES_lathist += -lelf |
a6ffe7b9 | 128 | HOSTLOADLIBES_offwaketime += -lelf |
9d8b612d | 129 | HOSTLOADLIBES_spintest += -lelf |
26e90931 | 130 | HOSTLOADLIBES_map_perf_test += -lelf -lrt |
e3edfdec | 131 | HOSTLOADLIBES_test_overhead += -lelf -lrt |
86af8b41 | 132 | HOSTLOADLIBES_xdp1 += -lelf |
764cbcce | 133 | HOSTLOADLIBES_xdp2 += -lelf |
9e6e60ec | 134 | HOSTLOADLIBES_test_current_task_under_cgroup += -lelf |
1c47910e | 135 | HOSTLOADLIBES_trace_event += -lelf |
72874418 | 136 | HOSTLOADLIBES_sampleip += -lelf |
90e02896 | 137 | HOSTLOADLIBES_tc_l2_redirect += -l elf |
f74599f7 | 138 | HOSTLOADLIBES_lwt_len_hist += -l elf |
12d8bb64 | 139 | HOSTLOADLIBES_xdp_tx_iptunnel += -lelf |
a8085782 | 140 | |
bdefbbf2 JDB |
141 | # Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline: |
142 | # make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang | |
6ccfba75 | 143 | LLC ?= llc |
bdefbbf2 | 144 | CLANG ?= clang |
6ccfba75 | 145 | |
b62a796c JDB |
146 | # Trick to allow make to be run from this directory |
147 | all: | |
148 | $(MAKE) -C ../../ $$PWD/ | |
149 | ||
150 | clean: | |
151 | $(MAKE) -C ../../ M=$$PWD clean | |
152 | @rm -f *~ | |
153 | ||
bdefbbf2 JDB |
154 | # Verify LLVM compiler tools are available and bpf target is supported by llc |
155 | .PHONY: verify_cmds verify_target_bpf $(CLANG) $(LLC) | |
7b01dd57 | 156 | |
bdefbbf2 JDB |
157 | verify_cmds: $(CLANG) $(LLC) |
158 | @for TOOL in $^ ; do \ | |
159 | if ! (which -- "$${TOOL}" > /dev/null 2>&1); then \ | |
160 | echo "*** ERROR: Cannot find LLVM tool $${TOOL}" ;\ | |
161 | exit 1; \ | |
162 | else true; fi; \ | |
163 | done | |
7b01dd57 | 164 | |
bdefbbf2 | 165 | verify_target_bpf: verify_cmds |
7b01dd57 JDB |
166 | @if ! (${LLC} -march=bpf -mattr=help > /dev/null 2>&1); then \ |
167 | echo "*** ERROR: LLVM (${LLC}) does not support 'bpf' target" ;\ | |
168 | echo " NOTICE: LLVM version >= 3.7.1 required" ;\ | |
169 | exit 2; \ | |
170 | else true; fi | |
171 | ||
172 | $(src)/*.c: verify_target_bpf | |
173 | ||
128d1514 NR |
174 | # asm/sysreg.h - inline assembly used by it is incompatible with llvm. |
175 | # But, there is no easy way to fix it, so just exclude it since it is | |
30b50aa6 | 176 | # useless for BPF samples. |
b88c06e3 | 177 | $(obj)/%.o: $(src)/%.c |
bdefbbf2 | 178 | $(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ |
30b50aa6 | 179 | -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ |
65d472fb | 180 | -Wno-compare-distinct-pointer-types \ |
69a9d09b AS |
181 | -Wno-gnu-variable-sized-type-not-at-end \ |
182 | -Wno-address-of-packed-member -Wno-tautological-compare \ | |
6ccfba75 | 183 | -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ |