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 += trace_output 17hostprogs-y += lathist 18 19test_verifier-objs := test_verifier.o libbpf.o 20test_maps-objs := test_maps.o libbpf.o 21sock_example-objs := sock_example.o libbpf.o 22sockex1-objs := bpf_load.o libbpf.o sockex1_user.o 23sockex2-objs := bpf_load.o libbpf.o sockex2_user.o 24sockex3-objs := bpf_load.o libbpf.o sockex3_user.o 25tracex1-objs := bpf_load.o libbpf.o tracex1_user.o 26tracex2-objs := bpf_load.o libbpf.o tracex2_user.o 27tracex3-objs := bpf_load.o libbpf.o tracex3_user.o 28tracex4-objs := bpf_load.o libbpf.o tracex4_user.o 29tracex5-objs := bpf_load.o libbpf.o tracex5_user.o 30tracex6-objs := bpf_load.o libbpf.o tracex6_user.o 31trace_output-objs := bpf_load.o libbpf.o trace_output_user.o 32lathist-objs := bpf_load.o libbpf.o lathist_user.o 33 34# Tell kbuild to always build the programs 35always := $(hostprogs-y) 36always += sockex1_kern.o 37always += sockex2_kern.o 38always += sockex3_kern.o 39always += tracex1_kern.o 40always += tracex2_kern.o 41always += tracex3_kern.o 42always += tracex4_kern.o 43always += tracex5_kern.o 44always += tracex6_kern.o 45always += trace_output_kern.o 46always += tcbpf1_kern.o 47always += lathist_kern.o 48 49HOSTCFLAGS += -I$(objtree)/usr/include 50 51HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable 52HOSTLOADLIBES_sockex1 += -lelf 53HOSTLOADLIBES_sockex2 += -lelf 54HOSTLOADLIBES_sockex3 += -lelf 55HOSTLOADLIBES_tracex1 += -lelf 56HOSTLOADLIBES_tracex2 += -lelf 57HOSTLOADLIBES_tracex3 += -lelf 58HOSTLOADLIBES_tracex4 += -lelf -lrt 59HOSTLOADLIBES_tracex5 += -lelf 60HOSTLOADLIBES_tracex6 += -lelf 61HOSTLOADLIBES_trace_output += -lelf -lrt 62HOSTLOADLIBES_lathist += -lelf 63 64# point this to your LLVM backend with bpf support 65LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc 66 67$(obj)/%.o: $(src)/%.c 68 clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ 69 -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \ 70 -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ 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=asm -o $@.s 74