1 # kbuild trick to avoid linker error. Can be omitted if a module is built.
4 # List of programs to build
5 hostprogs-y
:= test_lru_dist
6 hostprogs-y
+= sock_example
7 hostprogs-y
+= fds_example
10 hostprogs-y
+= sockex3
11 hostprogs-y
+= tracex1
12 hostprogs-y
+= tracex2
13 hostprogs-y
+= tracex3
14 hostprogs-y
+= tracex4
15 hostprogs-y
+= tracex5
16 hostprogs-y
+= tracex6
17 hostprogs-y
+= test_probe_write_user
18 hostprogs-y
+= trace_output
19 hostprogs-y
+= lathist
20 hostprogs-y
+= offwaketime
21 hostprogs-y
+= spintest
22 hostprogs-y
+= map_perf_test
23 hostprogs-y
+= test_overhead
24 hostprogs-y
+= test_cgrp2_array_pin
25 hostprogs-y
+= test_cgrp2_attach
26 hostprogs-y
+= test_cgrp2_attach2
27 hostprogs-y
+= test_cgrp2_sock
28 hostprogs-y
+= test_cgrp2_sock2
31 hostprogs-y
+= test_current_task_under_cgroup
32 hostprogs-y
+= trace_event
33 hostprogs-y
+= sampleip
34 hostprogs-y
+= tc_l2_redirect
35 hostprogs-y
+= lwt_len_hist
36 hostprogs-y
+= xdp_tx_iptunnel
37 hostprogs-y
+= test_map_in_map
38 hostprogs-y
+= per_socket_stats_example
39 hostprogs-y
+= load_sock_ops
40 hostprogs-y
+= xdp_redirect
41 hostprogs-y
+= xdp_redirect_map
42 hostprogs-y
+= xdp_monitor
43 hostprogs-y
+= syscall_tp
46 LIBBPF
:= ..
/..
/tools
/lib
/bpf
/bpf.o
48 test_lru_dist-objs
:= test_lru_dist.o
$(LIBBPF
)
49 sock_example-objs
:= sock_example.o
$(LIBBPF
)
50 fds_example-objs
:= bpf_load.o
$(LIBBPF
) fds_example.o
51 sockex1-objs
:= bpf_load.o
$(LIBBPF
) sockex1_user.o
52 sockex2-objs
:= bpf_load.o
$(LIBBPF
) sockex2_user.o
53 sockex3-objs
:= bpf_load.o
$(LIBBPF
) sockex3_user.o
54 tracex1-objs
:= bpf_load.o
$(LIBBPF
) tracex1_user.o
55 tracex2-objs
:= bpf_load.o
$(LIBBPF
) tracex2_user.o
56 tracex3-objs
:= bpf_load.o
$(LIBBPF
) tracex3_user.o
57 tracex4-objs
:= bpf_load.o
$(LIBBPF
) tracex4_user.o
58 tracex5-objs
:= bpf_load.o
$(LIBBPF
) tracex5_user.o
59 tracex6-objs
:= bpf_load.o
$(LIBBPF
) tracex6_user.o
60 load_sock_ops-objs
:= bpf_load.o
$(LIBBPF
) load_sock_ops.o
61 test_probe_write_user-objs
:= bpf_load.o
$(LIBBPF
) test_probe_write_user_user.o
62 trace_output-objs
:= bpf_load.o
$(LIBBPF
) trace_output_user.o
63 lathist-objs
:= bpf_load.o
$(LIBBPF
) lathist_user.o
64 offwaketime-objs
:= bpf_load.o
$(LIBBPF
) offwaketime_user.o
65 spintest-objs
:= bpf_load.o
$(LIBBPF
) spintest_user.o
66 map_perf_test-objs
:= bpf_load.o
$(LIBBPF
) map_perf_test_user.o
67 test_overhead-objs
:= bpf_load.o
$(LIBBPF
) test_overhead_user.o
68 test_cgrp2_array_pin-objs
:= $(LIBBPF
) test_cgrp2_array_pin.o
69 test_cgrp2_attach-objs
:= $(LIBBPF
) test_cgrp2_attach.o
70 test_cgrp2_attach2-objs
:= $(LIBBPF
) test_cgrp2_attach2.o cgroup_helpers.o
71 test_cgrp2_sock-objs
:= $(LIBBPF
) test_cgrp2_sock.o
72 test_cgrp2_sock2-objs
:= bpf_load.o
$(LIBBPF
) test_cgrp2_sock2.o
73 xdp1-objs
:= bpf_load.o
$(LIBBPF
) xdp1_user.o
74 # reuse xdp1 source intentionally
75 xdp2-objs
:= bpf_load.o
$(LIBBPF
) xdp1_user.o
76 test_current_task_under_cgroup-objs
:= bpf_load.o
$(LIBBPF
) cgroup_helpers.o \
77 test_current_task_under_cgroup_user.o
78 trace_event-objs
:= bpf_load.o
$(LIBBPF
) trace_event_user.o
79 sampleip-objs
:= bpf_load.o
$(LIBBPF
) sampleip_user.o
80 tc_l2_redirect-objs
:= bpf_load.o
$(LIBBPF
) tc_l2_redirect_user.o
81 lwt_len_hist-objs
:= bpf_load.o
$(LIBBPF
) lwt_len_hist_user.o
82 xdp_tx_iptunnel-objs
:= bpf_load.o
$(LIBBPF
) xdp_tx_iptunnel_user.o
83 test_map_in_map-objs
:= bpf_load.o
$(LIBBPF
) test_map_in_map_user.o
84 per_socket_stats_example-objs
:= $(LIBBPF
) cookie_uid_helper_example.o
85 xdp_redirect-objs
:= bpf_load.o
$(LIBBPF
) xdp_redirect_user.o
86 xdp_redirect_map-objs
:= bpf_load.o
$(LIBBPF
) xdp_redirect_map_user.o
87 xdp_monitor-objs
:= bpf_load.o
$(LIBBPF
) xdp_monitor_user.o
88 syscall_tp-objs
:= bpf_load.o
$(LIBBPF
) syscall_tp_user.o
90 # Tell kbuild to always build the programs
91 always
:= $(hostprogs-y
)
92 always
+= sockex1_kern.o
93 always
+= sockex2_kern.o
94 always
+= sockex3_kern.o
95 always
+= tracex1_kern.o
96 always
+= tracex2_kern.o
97 always
+= tracex3_kern.o
98 always
+= tracex4_kern.o
99 always
+= tracex5_kern.o
100 always
+= tracex6_kern.o
101 always
+= sock_flags_kern.o
102 always
+= test_probe_write_user_kern.o
103 always
+= trace_output_kern.o
104 always
+= tcbpf1_kern.o
105 always
+= tcbpf2_kern.o
106 always
+= tc_l2_redirect_kern.o
107 always
+= lathist_kern.o
108 always
+= offwaketime_kern.o
109 always
+= spintest_kern.o
110 always
+= map_perf_test_kern.o
111 always
+= test_overhead_tp_kern.o
112 always
+= test_overhead_kprobe_kern.o
113 always
+= parse_varlen.o parse_simple.o parse_ldabs.o
114 always
+= test_cgrp2_tc_kern.o
115 always
+= xdp1_kern.o
116 always
+= xdp2_kern.o
117 always
+= test_current_task_under_cgroup_kern.o
118 always
+= trace_event_kern.o
119 always
+= sampleip_kern.o
120 always
+= lwt_len_hist_kern.o
121 always
+= xdp_tx_iptunnel_kern.o
122 always
+= test_map_in_map_kern.o
123 always
+= cookie_uid_helper_example.o
124 always
+= tcp_synrto_kern.o
125 always
+= tcp_rwnd_kern.o
126 always
+= tcp_bufs_kern.o
127 always
+= tcp_cong_kern.o
128 always
+= tcp_iw_kern.o
129 always
+= tcp_clamp_kern.o
130 always
+= xdp_redirect_kern.o
131 always
+= xdp_redirect_map_kern.o
132 always
+= xdp_monitor_kern.o
133 always
+= syscall_tp_kern.o
135 HOSTCFLAGS
+= -I
$(objtree
)/usr
/include
136 HOSTCFLAGS
+= -I
$(srctree
)/tools
/lib
/
137 HOSTCFLAGS
+= -I
$(srctree
)/tools
/testing
/selftests
/bpf
/
138 HOSTCFLAGS
+= -I
$(srctree
)/tools
/lib
/ -I
$(srctree
)/tools
/include
139 HOSTCFLAGS
+= -I
$(srctree
)/tools
/perf
141 HOSTCFLAGS_bpf_load.o
+= -I
$(objtree
)/usr
/include -Wno-unused-variable
142 HOSTLOADLIBES_fds_example
+= -lelf
143 HOSTLOADLIBES_sockex1
+= -lelf
144 HOSTLOADLIBES_sockex2
+= -lelf
145 HOSTLOADLIBES_sockex3
+= -lelf
146 HOSTLOADLIBES_tracex1
+= -lelf
147 HOSTLOADLIBES_tracex2
+= -lelf
148 HOSTLOADLIBES_tracex3
+= -lelf
149 HOSTLOADLIBES_tracex4
+= -lelf
-lrt
150 HOSTLOADLIBES_tracex5
+= -lelf
151 HOSTLOADLIBES_tracex6
+= -lelf
152 HOSTLOADLIBES_test_cgrp2_sock2
+= -lelf
153 HOSTLOADLIBES_load_sock_ops
+= -lelf
154 HOSTLOADLIBES_test_probe_write_user
+= -lelf
155 HOSTLOADLIBES_trace_output
+= -lelf
-lrt
156 HOSTLOADLIBES_lathist
+= -lelf
157 HOSTLOADLIBES_offwaketime
+= -lelf
158 HOSTLOADLIBES_spintest
+= -lelf
159 HOSTLOADLIBES_map_perf_test
+= -lelf
-lrt
160 HOSTLOADLIBES_test_overhead
+= -lelf
-lrt
161 HOSTLOADLIBES_xdp1
+= -lelf
162 HOSTLOADLIBES_xdp2
+= -lelf
163 HOSTLOADLIBES_test_current_task_under_cgroup
+= -lelf
164 HOSTLOADLIBES_trace_event
+= -lelf
165 HOSTLOADLIBES_sampleip
+= -lelf
166 HOSTLOADLIBES_tc_l2_redirect
+= -l elf
167 HOSTLOADLIBES_lwt_len_hist
+= -l elf
168 HOSTLOADLIBES_xdp_tx_iptunnel
+= -lelf
169 HOSTLOADLIBES_test_map_in_map
+= -lelf
170 HOSTLOADLIBES_xdp_redirect
+= -lelf
171 HOSTLOADLIBES_xdp_redirect_map
+= -lelf
172 HOSTLOADLIBES_xdp_monitor
+= -lelf
173 HOSTLOADLIBES_syscall_tp
+= -lelf
175 # Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline:
176 # make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang
180 # Trick to allow make to be run from this directory
182 $(MAKE
) -C ..
/..
/ $(CURDIR
)/
185 $(MAKE
) -C ..
/..
/ M
=$(CURDIR
) clean
188 $(obj
)/syscall_nrs.s
: $(src
)/syscall_nrs.c
189 $(call if_changed_dep
,cc_s_c
)
191 $(obj
)/syscall_nrs.h
: $(obj
)/syscall_nrs.s FORCE
192 $(call filechk
,offsets
,__SYSCALL_NRS_H__
)
194 clean-files
+= syscall_nrs.h
199 # Verify LLVM compiler tools are available and bpf target is supported by llc
200 .PHONY
: verify_cmds verify_target_bpf
$(CLANG
) $(LLC
)
202 verify_cmds
: $(CLANG
) $(LLC
)
203 @for TOOL in
$^
; do \
204 if
! (which
-- "$${TOOL}" > /dev
/null
2>&1); then \
205 echo
"*** ERROR: Cannot find LLVM tool $${TOOL}" ;\
210 verify_target_bpf
: verify_cmds
211 @if
! (${LLC} -march
=bpf
-mattr
=help
> /dev
/null
2>&1); then \
212 echo
"*** ERROR: LLVM (${LLC}) does not support 'bpf' target" ;\
213 echo
" NOTICE: LLVM version >= 3.7.1 required" ;\
217 $(src
)/*.c
: verify_target_bpf
219 $(obj
)/tracex5_kern.o
: $(obj
)/syscall_nrs.h
221 # asm/sysreg.h - inline assembly used by it is incompatible with llvm.
222 # But, there is no easy way to fix it, so just exclude it since it is
223 # useless for BPF samples.
224 $(obj
)/%.o
: $(src
)/%.c
225 $(CLANG
) $(NOSTDINC_FLAGS
) $(LINUXINCLUDE
) $(EXTRA_CFLAGS
) -I
$(obj
) \
226 -I
$(srctree
)/tools
/testing
/selftests
/bpf
/ \
227 -D__KERNEL__
-D__ASM_SYSREG_H
-Wno-unused-value
-Wno-pointer-sign \
228 -Wno-compare-distinct-pointer-types \
229 -Wno-gnu-variable-sized-type-not-at-end \
230 -Wno-address-of-packed-member
-Wno-tautological-compare \
231 -Wno-unknown-warning-option \
232 -O2
-emit-llvm
-c
$< -o
-|
$(LLC
) -march
=bpf
-filetype
=obj
-o
$@