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
20 test_verifier-objs := test_verifier.o libbpf.o
21 test_maps-objs := test_maps.o libbpf.o
22 sock_example-objs := sock_example.o libbpf.o
23 fds_example-objs := bpf_load.o libbpf.o fds_example.o
24 sockex1-objs := bpf_load.o libbpf.o sockex1_user.o
25 sockex2-objs := bpf_load.o libbpf.o sockex2_user.o
26 sockex3-objs := bpf_load.o libbpf.o sockex3_user.o
27 tracex1-objs := bpf_load.o libbpf.o tracex1_user.o
28 tracex2-objs := bpf_load.o libbpf.o tracex2_user.o
29 tracex3-objs := bpf_load.o libbpf.o tracex3_user.o
30 tracex4-objs := bpf_load.o libbpf.o tracex4_user.o
31 tracex5-objs := bpf_load.o libbpf.o tracex5_user.o
32 tracex6-objs := bpf_load.o libbpf.o tracex6_user.o
33 trace_output-objs := bpf_load.o libbpf.o trace_output_user.o
34 lathist-objs := bpf_load.o libbpf.o lathist_user.o
36 # Tell kbuild to always build the programs
37 always := $(hostprogs-y)
38 always += sockex1_kern.o
39 always += sockex2_kern.o
40 always += sockex3_kern.o
41 always += tracex1_kern.o
42 always += tracex2_kern.o
43 always += tracex3_kern.o
44 always += tracex4_kern.o
45 always += tracex5_kern.o
46 always += tracex6_kern.o
47 always += trace_output_kern.o
48 always += tcbpf1_kern.o
49 always += lathist_kern.o
51 HOSTCFLAGS += -I$(objtree)/usr/include
53 HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
54 HOSTLOADLIBES_fds_example += -lelf
55 HOSTLOADLIBES_sockex1 += -lelf
56 HOSTLOADLIBES_sockex2 += -lelf
57 HOSTLOADLIBES_sockex3 += -lelf
58 HOSTLOADLIBES_tracex1 += -lelf
59 HOSTLOADLIBES_tracex2 += -lelf
60 HOSTLOADLIBES_tracex3 += -lelf
61 HOSTLOADLIBES_tracex4 += -lelf -lrt
62 HOSTLOADLIBES_tracex5 += -lelf
63 HOSTLOADLIBES_tracex6 += -lelf
64 HOSTLOADLIBES_trace_output += -lelf -lrt
65 HOSTLOADLIBES_lathist += -lelf
67 # point this to your LLVM backend with bpf support
68 LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc
70 $(obj)/%.o: $(src)/%.c
71 clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \
72 -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
73 -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@
74 clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \
75 -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
76 -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=asm -o $@.s