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_verifier test_maps
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
+= trace_output
18 hostprogs-y
+= lathist
19 hostprogs-y
+= offwaketime
20 hostprogs-y
+= spintest
21 hostprogs-y
+= map_perf_test
22 hostprogs-y
+= test_overhead
24 test_verifier-objs
:= test_verifier.o libbpf.o
25 test_maps-objs
:= test_maps.o libbpf.o
26 sock_example-objs
:= sock_example.o libbpf.o
27 fds_example-objs
:= bpf_load.o libbpf.o fds_example.o
28 sockex1-objs
:= bpf_load.o libbpf.o sockex1_user.o
29 sockex2-objs
:= bpf_load.o libbpf.o sockex2_user.o
30 sockex3-objs
:= bpf_load.o libbpf.o sockex3_user.o
31 tracex1-objs
:= bpf_load.o libbpf.o tracex1_user.o
32 tracex2-objs
:= bpf_load.o libbpf.o tracex2_user.o
33 tracex3-objs
:= bpf_load.o libbpf.o tracex3_user.o
34 tracex4-objs
:= bpf_load.o libbpf.o tracex4_user.o
35 tracex5-objs
:= bpf_load.o libbpf.o tracex5_user.o
36 tracex6-objs
:= bpf_load.o libbpf.o tracex6_user.o
37 trace_output-objs
:= bpf_load.o libbpf.o trace_output_user.o
38 lathist-objs
:= bpf_load.o libbpf.o lathist_user.o
39 offwaketime-objs
:= bpf_load.o libbpf.o offwaketime_user.o
40 spintest-objs
:= bpf_load.o libbpf.o spintest_user.o
41 map_perf_test-objs
:= bpf_load.o libbpf.o map_perf_test_user.o
42 test_overhead-objs
:= bpf_load.o libbpf.o test_overhead_user.o
44 # Tell kbuild to always build the programs
45 always
:= $(hostprogs-y
)
46 always
+= sockex1_kern.o
47 always
+= sockex2_kern.o
48 always
+= sockex3_kern.o
49 always
+= tracex1_kern.o
50 always
+= tracex2_kern.o
51 always
+= tracex3_kern.o
52 always
+= tracex4_kern.o
53 always
+= tracex5_kern.o
54 always
+= tracex6_kern.o
55 always
+= trace_output_kern.o
56 always
+= tcbpf1_kern.o
57 always
+= lathist_kern.o
58 always
+= offwaketime_kern.o
59 always
+= spintest_kern.o
60 always
+= map_perf_test_kern.o
61 always
+= test_overhead_tp_kern.o
62 always
+= test_overhead_kprobe_kern.o
64 HOSTCFLAGS
+= -I
$(objtree
)/usr
/include
66 HOSTCFLAGS_bpf_load.o
+= -I
$(objtree
)/usr
/include -Wno-unused-variable
67 HOSTLOADLIBES_fds_example
+= -lelf
68 HOSTLOADLIBES_sockex1
+= -lelf
69 HOSTLOADLIBES_sockex2
+= -lelf
70 HOSTLOADLIBES_sockex3
+= -lelf
71 HOSTLOADLIBES_tracex1
+= -lelf
72 HOSTLOADLIBES_tracex2
+= -lelf
73 HOSTLOADLIBES_tracex3
+= -lelf
74 HOSTLOADLIBES_tracex4
+= -lelf
-lrt
75 HOSTLOADLIBES_tracex5
+= -lelf
76 HOSTLOADLIBES_tracex6
+= -lelf
77 HOSTLOADLIBES_trace_output
+= -lelf
-lrt
78 HOSTLOADLIBES_lathist
+= -lelf
79 HOSTLOADLIBES_offwaketime
+= -lelf
80 HOSTLOADLIBES_spintest
+= -lelf
81 HOSTLOADLIBES_map_perf_test
+= -lelf
-lrt
82 HOSTLOADLIBES_test_overhead
+= -lelf
-lrt
84 # asm/sysreg.h - inline assembly used by it is incompatible with llvm.
85 # But, there is no easy way to fix it, so just exclude it since it is
86 # useless for BPF samples.
87 $(obj
)/%.o
: $(src
)/%.c
88 clang
$(NOSTDINC_FLAGS
) $(LINUXINCLUDE
) $(EXTRA_CFLAGS
) \
89 -D__KERNEL__
-D__ASM_SYSREG_H
-Wno-unused-value
-Wno-pointer-sign \
90 -O2
-emit-llvm
-c
$< -o
-| llc
-march
=bpf
-filetype
=obj
-o
$@