1# kbuild trick to avoid linker error. Can be omitted if a module is built. 2obj- := dummy.o 3 4# List of programs to build 5hostprogs-y := test_verifier test_maps 6hostprogs-y += sock_example 7hostprogs-y += sockex1 8hostprogs-y += sockex2 9hostprogs-y += sockex3 10hostprogs-y += tracex1 11hostprogs-y += tracex2 12hostprogs-y += tracex3 13hostprogs-y += tracex4 14hostprogs-y += tracex5 15hostprogs-y += tracex6 16hostprogs-y += lathist 17 18test_verifier-objs := test_verifier.o libbpf.o 19test_maps-objs := test_maps.o libbpf.o 20sock_example-objs := sock_example.o libbpf.o 21sockex1-objs := bpf_load.o libbpf.o sockex1_user.o 22sockex2-objs := bpf_load.o libbpf.o sockex2_user.o 23sockex3-objs := bpf_load.o libbpf.o sockex3_user.o 24tracex1-objs := bpf_load.o libbpf.o tracex1_user.o 25tracex2-objs := bpf_load.o libbpf.o tracex2_user.o 26tracex3-objs := bpf_load.o libbpf.o tracex3_user.o 27tracex4-objs := bpf_load.o libbpf.o tracex4_user.o 28tracex5-objs := bpf_load.o libbpf.o tracex5_user.o 29tracex6-objs := bpf_load.o libbpf.o tracex6_user.o 30lathist-objs := bpf_load.o libbpf.o lathist_user.o 31 32# Tell kbuild to always build the programs 33always := $(hostprogs-y) 34always += sockex1_kern.o 35always += sockex2_kern.o 36always += sockex3_kern.o 37always += tracex1_kern.o 38always += tracex2_kern.o 39always += tracex3_kern.o 40always += tracex4_kern.o 41always += tracex5_kern.o 42always += tracex6_kern.o 43always += tcbpf1_kern.o 44always += lathist_kern.o 45 46HOSTCFLAGS += -I$(objtree)/usr/include 47 48HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable 49HOSTLOADLIBES_sockex1 += -lelf 50HOSTLOADLIBES_sockex2 += -lelf 51HOSTLOADLIBES_sockex3 += -lelf 52HOSTLOADLIBES_tracex1 += -lelf 53HOSTLOADLIBES_tracex2 += -lelf 54HOSTLOADLIBES_tracex3 += -lelf 55HOSTLOADLIBES_tracex4 += -lelf -lrt 56HOSTLOADLIBES_tracex5 += -lelf 57HOSTLOADLIBES_tracex6 += -lelf 58HOSTLOADLIBES_lathist += -lelf 59 60# point this to your LLVM backend with bpf support 61LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc 62 63$(obj)/%.o: $(src)/%.c 64 clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ 65 -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \ 66 -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ 67