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
10 hostprogs-y += tracex2
11 hostprogs-y += tracex3
12 hostprogs-y += tracex4
13 hostprogs-y += tracex5
15 test_verifier-objs := test_verifier.o libbpf.o
16 test_maps-objs := test_maps.o libbpf.o
17 sock_example-objs := sock_example.o libbpf.o
18 sockex1-objs := bpf_load.o libbpf.o sockex1_user.o
19 sockex2-objs := bpf_load.o libbpf.o sockex2_user.o
20 tracex1-objs := bpf_load.o libbpf.o tracex1_user.o
21 tracex2-objs := bpf_load.o libbpf.o tracex2_user.o
22 tracex3-objs := bpf_load.o libbpf.o tracex3_user.o
23 tracex4-objs := bpf_load.o libbpf.o tracex4_user.o
24 tracex5-objs := bpf_load.o libbpf.o tracex5_user.o
26 # Tell kbuild to always build the programs
27 always := $(hostprogs-y)
28 always += sockex1_kern.o
29 always += sockex2_kern.o
30 always += tracex1_kern.o
31 always += tracex2_kern.o
32 always += tracex3_kern.o
33 always += tracex4_kern.o
34 always += tracex5_kern.o
35 always += tcbpf1_kern.o
37 HOSTCFLAGS += -I$(objtree)/usr/include
39 HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
40 HOSTLOADLIBES_sockex1 += -lelf
41 HOSTLOADLIBES_sockex2 += -lelf
42 HOSTLOADLIBES_tracex1 += -lelf
43 HOSTLOADLIBES_tracex2 += -lelf
44 HOSTLOADLIBES_tracex3 += -lelf
45 HOSTLOADLIBES_tracex4 += -lelf -lrt
46 HOSTLOADLIBES_tracex5 += -lelf
48 # point this to your LLVM backend with bpf support
49 LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc
51 $(obj)/%.o: $(src)/%.c
52 clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \
53 -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
54 -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@