1 # SPDX-License-Identifier: GPL-2.0
2 # List of programs to build
3 hostprogs-y
:= test_lru_dist
4 hostprogs-y
+= sock_example
5 hostprogs-y
+= fds_example
10 hostprogs-y
+= tracex2
11 hostprogs-y
+= tracex3
12 hostprogs-y
+= tracex4
13 hostprogs-y
+= tracex5
14 hostprogs-y
+= tracex6
15 hostprogs-y
+= test_probe_write_user
16 hostprogs-y
+= trace_output
17 hostprogs-y
+= lathist
18 hostprogs-y
+= offwaketime
19 hostprogs-y
+= spintest
20 hostprogs-y
+= map_perf_test
21 hostprogs-y
+= test_overhead
22 hostprogs-y
+= test_cgrp2_array_pin
23 hostprogs-y
+= test_cgrp2_attach
24 hostprogs-y
+= test_cgrp2_attach2
25 hostprogs-y
+= test_cgrp2_sock
26 hostprogs-y
+= test_cgrp2_sock2
29 hostprogs-y
+= xdp_router_ipv4
30 hostprogs-y
+= test_current_task_under_cgroup
31 hostprogs-y
+= trace_event
32 hostprogs-y
+= sampleip
33 hostprogs-y
+= tc_l2_redirect
34 hostprogs-y
+= lwt_len_hist
35 hostprogs-y
+= xdp_tx_iptunnel
36 hostprogs-y
+= test_map_in_map
37 hostprogs-y
+= per_socket_stats_example
38 hostprogs-y
+= load_sock_ops
39 hostprogs-y
+= xdp_redirect
40 hostprogs-y
+= xdp_redirect_map
41 hostprogs-y
+= xdp_redirect_cpu
42 hostprogs-y
+= xdp_monitor
43 hostprogs-y
+= syscall_tp
46 LIBBPF
:= ..
/..
/tools
/lib
/bpf
/bpf.o
47 CGROUP_HELPERS
:= ..
/..
/tools
/testing
/selftests
/bpf
/cgroup_helpers.o
49 test_lru_dist-objs
:= test_lru_dist.o
$(LIBBPF
)
50 sock_example-objs
:= sock_example.o
$(LIBBPF
)
51 fds_example-objs
:= bpf_load.o
$(LIBBPF
) fds_example.o
52 sockex1-objs
:= bpf_load.o
$(LIBBPF
) sockex1_user.o
53 sockex2-objs
:= bpf_load.o
$(LIBBPF
) sockex2_user.o
54 sockex3-objs
:= bpf_load.o
$(LIBBPF
) sockex3_user.o
55 tracex1-objs
:= bpf_load.o
$(LIBBPF
) tracex1_user.o
56 tracex2-objs
:= bpf_load.o
$(LIBBPF
) tracex2_user.o
57 tracex3-objs
:= bpf_load.o
$(LIBBPF
) tracex3_user.o
58 tracex4-objs
:= bpf_load.o
$(LIBBPF
) tracex4_user.o
59 tracex5-objs
:= bpf_load.o
$(LIBBPF
) tracex5_user.o
60 tracex6-objs
:= bpf_load.o
$(LIBBPF
) tracex6_user.o
61 load_sock_ops-objs
:= bpf_load.o
$(LIBBPF
) load_sock_ops.o
62 test_probe_write_user-objs
:= bpf_load.o
$(LIBBPF
) test_probe_write_user_user.o
63 trace_output-objs
:= bpf_load.o
$(LIBBPF
) trace_output_user.o
64 lathist-objs
:= bpf_load.o
$(LIBBPF
) lathist_user.o
65 offwaketime-objs
:= bpf_load.o
$(LIBBPF
) offwaketime_user.o
66 spintest-objs
:= bpf_load.o
$(LIBBPF
) spintest_user.o
67 map_perf_test-objs
:= bpf_load.o
$(LIBBPF
) map_perf_test_user.o
68 test_overhead-objs
:= bpf_load.o
$(LIBBPF
) test_overhead_user.o
69 test_cgrp2_array_pin-objs
:= $(LIBBPF
) test_cgrp2_array_pin.o
70 test_cgrp2_attach-objs
:= $(LIBBPF
) test_cgrp2_attach.o
71 test_cgrp2_attach2-objs
:= $(LIBBPF
) test_cgrp2_attach2.o
$(CGROUP_HELPERS
)
72 test_cgrp2_sock-objs
:= $(LIBBPF
) test_cgrp2_sock.o
73 test_cgrp2_sock2-objs
:= bpf_load.o
$(LIBBPF
) test_cgrp2_sock2.o
74 xdp1-objs
:= bpf_load.o
$(LIBBPF
) xdp1_user.o
75 # reuse xdp1 source intentionally
76 xdp2-objs
:= bpf_load.o
$(LIBBPF
) xdp1_user.o
77 xdp_router_ipv4-objs
:= bpf_load.o
$(LIBBPF
) xdp_router_ipv4_user.o
78 test_current_task_under_cgroup-objs
:= bpf_load.o
$(LIBBPF
) $(CGROUP_HELPERS
) \
79 test_current_task_under_cgroup_user.o
80 trace_event-objs
:= bpf_load.o
$(LIBBPF
) trace_event_user.o
81 sampleip-objs
:= bpf_load.o
$(LIBBPF
) sampleip_user.o
82 tc_l2_redirect-objs
:= bpf_load.o
$(LIBBPF
) tc_l2_redirect_user.o
83 lwt_len_hist-objs
:= bpf_load.o
$(LIBBPF
) lwt_len_hist_user.o
84 xdp_tx_iptunnel-objs
:= bpf_load.o
$(LIBBPF
) xdp_tx_iptunnel_user.o
85 test_map_in_map-objs
:= bpf_load.o
$(LIBBPF
) test_map_in_map_user.o
86 per_socket_stats_example-objs
:= $(LIBBPF
) cookie_uid_helper_example.o
87 xdp_redirect-objs
:= bpf_load.o
$(LIBBPF
) xdp_redirect_user.o
88 xdp_redirect_map-objs
:= bpf_load.o
$(LIBBPF
) xdp_redirect_map_user.o
89 xdp_redirect_cpu-objs
:= bpf_load.o
$(LIBBPF
) xdp_redirect_cpu_user.o
90 xdp_monitor-objs
:= bpf_load.o
$(LIBBPF
) xdp_monitor_user.o
91 syscall_tp-objs
:= bpf_load.o
$(LIBBPF
) syscall_tp_user.o
93 # Tell kbuild to always build the programs
94 always
:= $(hostprogs-y
)
95 always
+= sockex1_kern.o
96 always
+= sockex2_kern.o
97 always
+= sockex3_kern.o
98 always
+= tracex1_kern.o
99 always
+= tracex2_kern.o
100 always
+= tracex3_kern.o
101 always
+= tracex4_kern.o
102 always
+= tracex5_kern.o
103 always
+= tracex6_kern.o
104 always
+= sock_flags_kern.o
105 always
+= test_probe_write_user_kern.o
106 always
+= trace_output_kern.o
107 always
+= tcbpf1_kern.o
108 always
+= tcbpf2_kern.o
109 always
+= tc_l2_redirect_kern.o
110 always
+= lathist_kern.o
111 always
+= offwaketime_kern.o
112 always
+= spintest_kern.o
113 always
+= map_perf_test_kern.o
114 always
+= test_overhead_tp_kern.o
115 always
+= test_overhead_kprobe_kern.o
116 always
+= parse_varlen.o parse_simple.o parse_ldabs.o
117 always
+= test_cgrp2_tc_kern.o
118 always
+= xdp1_kern.o
119 always
+= xdp2_kern.o
120 always
+= xdp_router_ipv4_kern.o
121 always
+= test_current_task_under_cgroup_kern.o
122 always
+= trace_event_kern.o
123 always
+= sampleip_kern.o
124 always
+= lwt_len_hist_kern.o
125 always
+= xdp_tx_iptunnel_kern.o
126 always
+= test_map_in_map_kern.o
127 always
+= cookie_uid_helper_example.o
128 always
+= tcp_synrto_kern.o
129 always
+= tcp_rwnd_kern.o
130 always
+= tcp_bufs_kern.o
131 always
+= tcp_cong_kern.o
132 always
+= tcp_iw_kern.o
133 always
+= tcp_clamp_kern.o
134 always
+= tcp_basertt_kern.o
135 always
+= xdp_redirect_kern.o
136 always
+= xdp_redirect_map_kern.o
137 always
+= xdp_redirect_cpu_kern.o
138 always
+= xdp_monitor_kern.o
139 always
+= syscall_tp_kern.o
141 HOSTCFLAGS
+= -I
$(objtree
)/usr
/include
142 HOSTCFLAGS
+= -I
$(srctree
)/tools
/lib
/
143 HOSTCFLAGS
+= -I
$(srctree
)/tools
/testing
/selftests
/bpf
/
144 HOSTCFLAGS
+= -I
$(srctree
)/tools
/lib
/ -I
$(srctree
)/tools
/include
145 HOSTCFLAGS
+= -I
$(srctree
)/tools
/perf
147 HOSTCFLAGS_bpf_load.o
+= -I
$(objtree
)/usr
/include -Wno-unused-variable
148 HOSTLOADLIBES_fds_example
+= -lelf
149 HOSTLOADLIBES_sockex1
+= -lelf
150 HOSTLOADLIBES_sockex2
+= -lelf
151 HOSTLOADLIBES_sockex3
+= -lelf
152 HOSTLOADLIBES_tracex1
+= -lelf
153 HOSTLOADLIBES_tracex2
+= -lelf
154 HOSTLOADLIBES_tracex3
+= -lelf
155 HOSTLOADLIBES_tracex4
+= -lelf
-lrt
156 HOSTLOADLIBES_tracex5
+= -lelf
157 HOSTLOADLIBES_tracex6
+= -lelf
158 HOSTLOADLIBES_test_cgrp2_sock2
+= -lelf
159 HOSTLOADLIBES_load_sock_ops
+= -lelf
160 HOSTLOADLIBES_test_probe_write_user
+= -lelf
161 HOSTLOADLIBES_trace_output
+= -lelf
-lrt
162 HOSTLOADLIBES_lathist
+= -lelf
163 HOSTLOADLIBES_offwaketime
+= -lelf
164 HOSTLOADLIBES_spintest
+= -lelf
165 HOSTLOADLIBES_map_perf_test
+= -lelf
-lrt
166 HOSTLOADLIBES_test_overhead
+= -lelf
-lrt
167 HOSTLOADLIBES_xdp1
+= -lelf
168 HOSTLOADLIBES_xdp2
+= -lelf
169 HOSTLOADLIBES_xdp_router_ipv4
+= -lelf
170 HOSTLOADLIBES_test_current_task_under_cgroup
+= -lelf
171 HOSTLOADLIBES_trace_event
+= -lelf
172 HOSTLOADLIBES_sampleip
+= -lelf
173 HOSTLOADLIBES_tc_l2_redirect
+= -l elf
174 HOSTLOADLIBES_lwt_len_hist
+= -l elf
175 HOSTLOADLIBES_xdp_tx_iptunnel
+= -lelf
176 HOSTLOADLIBES_test_map_in_map
+= -lelf
177 HOSTLOADLIBES_xdp_redirect
+= -lelf
178 HOSTLOADLIBES_xdp_redirect_map
+= -lelf
179 HOSTLOADLIBES_xdp_redirect_cpu
+= -lelf
180 HOSTLOADLIBES_xdp_monitor
+= -lelf
181 HOSTLOADLIBES_syscall_tp
+= -lelf
183 # Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline:
184 # make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang
188 # Detect that we're cross compiling and use the cross compiler
190 HOSTCC
= $(CROSS_COMPILE
)gcc
191 CLANG_ARCH_ARGS
= -target
$(ARCH
)
194 # Trick to allow make to be run from this directory
196 $(MAKE
) -C ..
/..
/ $(CURDIR
)/
199 $(MAKE
) -C ..
/..
/ M
=$(CURDIR
) clean
202 $(obj
)/syscall_nrs.s
: $(src
)/syscall_nrs.c
203 $(call if_changed_dep
,cc_s_c
)
205 $(obj
)/syscall_nrs.h
: $(obj
)/syscall_nrs.s FORCE
206 $(call filechk
,offsets
,__SYSCALL_NRS_H__
)
208 clean-files
+= syscall_nrs.h
213 # Verify LLVM compiler tools are available and bpf target is supported by llc
214 .PHONY
: verify_cmds verify_target_bpf
$(CLANG
) $(LLC
)
216 verify_cmds
: $(CLANG
) $(LLC
)
217 @for TOOL in
$^
; do \
218 if
! (which
-- "$${TOOL}" > /dev
/null
2>&1); then \
219 echo
"*** ERROR: Cannot find LLVM tool $${TOOL}" ;\
224 verify_target_bpf
: verify_cmds
225 @if
! (${LLC} -march
=bpf
-mattr
=help
> /dev
/null
2>&1); then \
226 echo
"*** ERROR: LLVM (${LLC}) does not support 'bpf' target" ;\
227 echo
" NOTICE: LLVM version >= 3.7.1 required" ;\
231 $(src
)/*.c
: verify_target_bpf
233 $(obj
)/tracex5_kern.o
: $(obj
)/syscall_nrs.h
235 # asm/sysreg.h - inline assembly used by it is incompatible with llvm.
236 # But, there is no easy way to fix it, so just exclude it since it is
237 # useless for BPF samples.
238 $(obj
)/%.o
: $(src
)/%.c
239 $(CLANG
) $(NOSTDINC_FLAGS
) $(LINUXINCLUDE
) $(EXTRA_CFLAGS
) -I
$(obj
) \
240 -I
$(srctree
)/tools
/testing
/selftests
/bpf
/ \
241 -D__KERNEL__
-Wno-unused-value
-Wno-pointer-sign \
242 -D__TARGET_ARCH_
$(ARCH
) -Wno-compare-distinct-pointer-types \
243 -Wno-gnu-variable-sized-type-not-at-end \
244 -Wno-address-of-packed-member
-Wno-tautological-compare \
245 -Wno-unknown-warning-option
$(CLANG_ARCH_ARGS
) \
246 -O2
-emit-llvm
-c
$< -o
-|
$(LLC
) -march
=bpf
-filetype
=obj
-o
$@