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 $@ 86