| 1 | # kbuild trick to avoid linker error. Can be omitted if a module is built. |
| 2 | obj- := dummy.o |
| 3 | |
| 4 | # List of programs to build |
| 5 | hostprogs-y := test_verifier test_maps |
| 6 | hostprogs-y += sock_example |
| 7 | hostprogs-y += fds_example |
| 8 | hostprogs-y += sockex1 |
| 9 | hostprogs-y += sockex2 |
| 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 | |
| 23 | test_verifier-objs := test_verifier.o libbpf.o |
| 24 | test_maps-objs := test_maps.o libbpf.o |
| 25 | sock_example-objs := sock_example.o libbpf.o |
| 26 | fds_example-objs := bpf_load.o libbpf.o fds_example.o |
| 27 | sockex1-objs := bpf_load.o libbpf.o sockex1_user.o |
| 28 | sockex2-objs := bpf_load.o libbpf.o sockex2_user.o |
| 29 | sockex3-objs := bpf_load.o libbpf.o sockex3_user.o |
| 30 | tracex1-objs := bpf_load.o libbpf.o tracex1_user.o |
| 31 | tracex2-objs := bpf_load.o libbpf.o tracex2_user.o |
| 32 | tracex3-objs := bpf_load.o libbpf.o tracex3_user.o |
| 33 | tracex4-objs := bpf_load.o libbpf.o tracex4_user.o |
| 34 | tracex5-objs := bpf_load.o libbpf.o tracex5_user.o |
| 35 | tracex6-objs := bpf_load.o libbpf.o tracex6_user.o |
| 36 | trace_output-objs := bpf_load.o libbpf.o trace_output_user.o |
| 37 | lathist-objs := bpf_load.o libbpf.o lathist_user.o |
| 38 | offwaketime-objs := bpf_load.o libbpf.o offwaketime_user.o |
| 39 | spintest-objs := bpf_load.o libbpf.o spintest_user.o |
| 40 | map_perf_test-objs := bpf_load.o libbpf.o map_perf_test_user.o |
| 41 | |
| 42 | # Tell kbuild to always build the programs |
| 43 | always := $(hostprogs-y) |
| 44 | always += sockex1_kern.o |
| 45 | always += sockex2_kern.o |
| 46 | always += sockex3_kern.o |
| 47 | always += tracex1_kern.o |
| 48 | always += tracex2_kern.o |
| 49 | always += tracex3_kern.o |
| 50 | always += tracex4_kern.o |
| 51 | always += tracex5_kern.o |
| 52 | always += tracex6_kern.o |
| 53 | always += trace_output_kern.o |
| 54 | always += tcbpf1_kern.o |
| 55 | always += lathist_kern.o |
| 56 | always += offwaketime_kern.o |
| 57 | always += spintest_kern.o |
| 58 | always += map_perf_test_kern.o |
| 59 | |
| 60 | HOSTCFLAGS += -I$(objtree)/usr/include |
| 61 | |
| 62 | HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable |
| 63 | HOSTLOADLIBES_fds_example += -lelf |
| 64 | HOSTLOADLIBES_sockex1 += -lelf |
| 65 | HOSTLOADLIBES_sockex2 += -lelf |
| 66 | HOSTLOADLIBES_sockex3 += -lelf |
| 67 | HOSTLOADLIBES_tracex1 += -lelf |
| 68 | HOSTLOADLIBES_tracex2 += -lelf |
| 69 | HOSTLOADLIBES_tracex3 += -lelf |
| 70 | HOSTLOADLIBES_tracex4 += -lelf -lrt |
| 71 | HOSTLOADLIBES_tracex5 += -lelf |
| 72 | HOSTLOADLIBES_tracex6 += -lelf |
| 73 | HOSTLOADLIBES_trace_output += -lelf -lrt |
| 74 | HOSTLOADLIBES_lathist += -lelf |
| 75 | HOSTLOADLIBES_offwaketime += -lelf |
| 76 | HOSTLOADLIBES_spintest += -lelf |
| 77 | HOSTLOADLIBES_map_perf_test += -lelf -lrt |
| 78 | |
| 79 | # asm/sysreg.h - inline assembly used by it is incompatible with llvm. |
| 80 | # But, there is no easy way to fix it, so just exclude it since it is |
| 81 | # useless for BPF samples. |
| 82 | $(obj)/%.o: $(src)/%.c |
| 83 | clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ |
| 84 | -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ |
| 85 | -O2 -emit-llvm -c $< -o -| llc -march=bpf -filetype=obj -o $@ |