13c731ebaSAlexei Starovoitov# kbuild trick to avoid linker error. Can be omitted if a module is built. 23c731ebaSAlexei Starovoitovobj- := dummy.o 33c731ebaSAlexei Starovoitov 43c731ebaSAlexei Starovoitov# List of programs to build 5ffb65f27SAlexei Starovoitovhostprogs-y := test_verifier test_maps 603f4723eSAlexei Starovoitovhostprogs-y += sock_example 742984d7cSDaniel Borkmannhostprogs-y += fds_example 8a8085782SAlexei Starovoitovhostprogs-y += sockex1 9fbe33108SAlexei Starovoitovhostprogs-y += sockex2 10530b2c86SAlexei Starovoitovhostprogs-y += sockex3 11b896c4f9SAlexei Starovoitovhostprogs-y += tracex1 12d822a192SAlexei Starovoitovhostprogs-y += tracex2 135c7fc2d2SAlexei Starovoitovhostprogs-y += tracex3 149811e353SAlexei Starovoitovhostprogs-y += tracex4 155bacd780SAlexei Starovoitovhostprogs-y += tracex5 1647efb302SKaixu Xiahostprogs-y += tracex6 1739111695SAlexei Starovoitovhostprogs-y += trace_output 180fb1170eSDaniel Wagnerhostprogs-y += lathist 19a6ffe7b9SAlexei Starovoitovhostprogs-y += offwaketime 209d8b612dSAlexei Starovoitovhostprogs-y += spintest 2126e90931SAlexei Starovoitovhostprogs-y += map_perf_test 22*e3edfdecSAlexei Starovoitovhostprogs-y += test_overhead 233c731ebaSAlexei Starovoitov 243c731ebaSAlexei Starovoitovtest_verifier-objs := test_verifier.o libbpf.o 25ffb65f27SAlexei Starovoitovtest_maps-objs := test_maps.o libbpf.o 2603f4723eSAlexei Starovoitovsock_example-objs := sock_example.o libbpf.o 2742984d7cSDaniel Borkmannfds_example-objs := bpf_load.o libbpf.o fds_example.o 28a8085782SAlexei Starovoitovsockex1-objs := bpf_load.o libbpf.o sockex1_user.o 29fbe33108SAlexei Starovoitovsockex2-objs := bpf_load.o libbpf.o sockex2_user.o 30530b2c86SAlexei Starovoitovsockex3-objs := bpf_load.o libbpf.o sockex3_user.o 31b896c4f9SAlexei Starovoitovtracex1-objs := bpf_load.o libbpf.o tracex1_user.o 32d822a192SAlexei Starovoitovtracex2-objs := bpf_load.o libbpf.o tracex2_user.o 335c7fc2d2SAlexei Starovoitovtracex3-objs := bpf_load.o libbpf.o tracex3_user.o 349811e353SAlexei Starovoitovtracex4-objs := bpf_load.o libbpf.o tracex4_user.o 355bacd780SAlexei Starovoitovtracex5-objs := bpf_load.o libbpf.o tracex5_user.o 3647efb302SKaixu Xiatracex6-objs := bpf_load.o libbpf.o tracex6_user.o 3739111695SAlexei Starovoitovtrace_output-objs := bpf_load.o libbpf.o trace_output_user.o 380fb1170eSDaniel Wagnerlathist-objs := bpf_load.o libbpf.o lathist_user.o 39a6ffe7b9SAlexei Starovoitovoffwaketime-objs := bpf_load.o libbpf.o offwaketime_user.o 409d8b612dSAlexei Starovoitovspintest-objs := bpf_load.o libbpf.o spintest_user.o 4126e90931SAlexei Starovoitovmap_perf_test-objs := bpf_load.o libbpf.o map_perf_test_user.o 42*e3edfdecSAlexei Starovoitovtest_overhead-objs := bpf_load.o libbpf.o test_overhead_user.o 433c731ebaSAlexei Starovoitov 443c731ebaSAlexei Starovoitov# Tell kbuild to always build the programs 453c731ebaSAlexei Starovoitovalways := $(hostprogs-y) 46a8085782SAlexei Starovoitovalways += sockex1_kern.o 47fbe33108SAlexei Starovoitovalways += sockex2_kern.o 48530b2c86SAlexei Starovoitovalways += sockex3_kern.o 49b896c4f9SAlexei Starovoitovalways += tracex1_kern.o 50d822a192SAlexei Starovoitovalways += tracex2_kern.o 515c7fc2d2SAlexei Starovoitovalways += tracex3_kern.o 529811e353SAlexei Starovoitovalways += tracex4_kern.o 535bacd780SAlexei Starovoitovalways += tracex5_kern.o 5447efb302SKaixu Xiaalways += tracex6_kern.o 5539111695SAlexei Starovoitovalways += trace_output_kern.o 5691bc4822SAlexei Starovoitovalways += tcbpf1_kern.o 570fb1170eSDaniel Wagneralways += lathist_kern.o 58a6ffe7b9SAlexei Starovoitovalways += offwaketime_kern.o 599d8b612dSAlexei Starovoitovalways += spintest_kern.o 6026e90931SAlexei Starovoitovalways += map_perf_test_kern.o 61*e3edfdecSAlexei Starovoitovalways += test_overhead_tp_kern.o 62*e3edfdecSAlexei Starovoitovalways += test_overhead_kprobe_kern.o 633c731ebaSAlexei Starovoitov 643c731ebaSAlexei StarovoitovHOSTCFLAGS += -I$(objtree)/usr/include 65a8085782SAlexei Starovoitov 66a8085782SAlexei StarovoitovHOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable 6742984d7cSDaniel BorkmannHOSTLOADLIBES_fds_example += -lelf 68a8085782SAlexei StarovoitovHOSTLOADLIBES_sockex1 += -lelf 69fbe33108SAlexei StarovoitovHOSTLOADLIBES_sockex2 += -lelf 70530b2c86SAlexei StarovoitovHOSTLOADLIBES_sockex3 += -lelf 71b896c4f9SAlexei StarovoitovHOSTLOADLIBES_tracex1 += -lelf 72d822a192SAlexei StarovoitovHOSTLOADLIBES_tracex2 += -lelf 735c7fc2d2SAlexei StarovoitovHOSTLOADLIBES_tracex3 += -lelf 749811e353SAlexei StarovoitovHOSTLOADLIBES_tracex4 += -lelf -lrt 755bacd780SAlexei StarovoitovHOSTLOADLIBES_tracex5 += -lelf 7647efb302SKaixu XiaHOSTLOADLIBES_tracex6 += -lelf 7739111695SAlexei StarovoitovHOSTLOADLIBES_trace_output += -lelf -lrt 780fb1170eSDaniel WagnerHOSTLOADLIBES_lathist += -lelf 79a6ffe7b9SAlexei StarovoitovHOSTLOADLIBES_offwaketime += -lelf 809d8b612dSAlexei StarovoitovHOSTLOADLIBES_spintest += -lelf 8126e90931SAlexei StarovoitovHOSTLOADLIBES_map_perf_test += -lelf -lrt 82*e3edfdecSAlexei StarovoitovHOSTLOADLIBES_test_overhead += -lelf -lrt 83a8085782SAlexei Starovoitov 84a8085782SAlexei Starovoitov# point this to your LLVM backend with bpf support 85a8085782SAlexei StarovoitovLLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc 86a8085782SAlexei Starovoitov 8730b50aa6SYang Shi# asm/sysreg.h inline assmbly used by it is incompatible with llvm. 8830b50aa6SYang Shi# But, ehere is not easy way to fix it, so just exclude it since it is 8930b50aa6SYang Shi# useless for BPF samples. 90b88c06e3SBrenden Blanco$(obj)/%.o: $(src)/%.c 91a8085782SAlexei Starovoitov clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ 9230b50aa6SYang Shi -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ 93a8085782SAlexei Starovoitov -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ 9439111695SAlexei Starovoitov clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ 9530b50aa6SYang Shi -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ 9639111695SAlexei Starovoitov -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=asm -o $@.s 97