Commit | Line | Data |
---|---|---|
3c731eba AS |
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 | |
ffb65f27 | 5 | hostprogs-y := test_verifier test_maps |
03f4723e | 6 | hostprogs-y += sock_example |
42984d7c | 7 | hostprogs-y += fds_example |
a8085782 | 8 | hostprogs-y += sockex1 |
fbe33108 | 9 | hostprogs-y += sockex2 |
530b2c86 | 10 | hostprogs-y += sockex3 |
b896c4f9 | 11 | hostprogs-y += tracex1 |
d822a192 | 12 | hostprogs-y += tracex2 |
5c7fc2d2 | 13 | hostprogs-y += tracex3 |
9811e353 | 14 | hostprogs-y += tracex4 |
5bacd780 | 15 | hostprogs-y += tracex5 |
47efb302 | 16 | hostprogs-y += tracex6 |
cf9b1199 | 17 | hostprogs-y += test_probe_write_user |
39111695 | 18 | hostprogs-y += trace_output |
0fb1170e | 19 | hostprogs-y += lathist |
a6ffe7b9 | 20 | hostprogs-y += offwaketime |
9d8b612d | 21 | hostprogs-y += spintest |
26e90931 | 22 | hostprogs-y += map_perf_test |
e3edfdec | 23 | hostprogs-y += test_overhead |
a3f74617 | 24 | hostprogs-y += test_cgrp2_array_pin |
86af8b41 | 25 | hostprogs-y += xdp1 |
764cbcce | 26 | hostprogs-y += xdp2 |
3c731eba AS |
27 | |
28 | test_verifier-objs := test_verifier.o libbpf.o | |
ffb65f27 | 29 | test_maps-objs := test_maps.o libbpf.o |
03f4723e | 30 | sock_example-objs := sock_example.o libbpf.o |
42984d7c | 31 | fds_example-objs := bpf_load.o libbpf.o fds_example.o |
a8085782 | 32 | sockex1-objs := bpf_load.o libbpf.o sockex1_user.o |
fbe33108 | 33 | sockex2-objs := bpf_load.o libbpf.o sockex2_user.o |
530b2c86 | 34 | sockex3-objs := bpf_load.o libbpf.o sockex3_user.o |
b896c4f9 | 35 | tracex1-objs := bpf_load.o libbpf.o tracex1_user.o |
d822a192 | 36 | tracex2-objs := bpf_load.o libbpf.o tracex2_user.o |
5c7fc2d2 | 37 | tracex3-objs := bpf_load.o libbpf.o tracex3_user.o |
9811e353 | 38 | tracex4-objs := bpf_load.o libbpf.o tracex4_user.o |
5bacd780 | 39 | tracex5-objs := bpf_load.o libbpf.o tracex5_user.o |
47efb302 | 40 | tracex6-objs := bpf_load.o libbpf.o tracex6_user.o |
cf9b1199 | 41 | test_probe_write_user-objs := bpf_load.o libbpf.o test_probe_write_user_user.o |
39111695 | 42 | trace_output-objs := bpf_load.o libbpf.o trace_output_user.o |
0fb1170e | 43 | lathist-objs := bpf_load.o libbpf.o lathist_user.o |
a6ffe7b9 | 44 | offwaketime-objs := bpf_load.o libbpf.o offwaketime_user.o |
9d8b612d | 45 | spintest-objs := bpf_load.o libbpf.o spintest_user.o |
26e90931 | 46 | map_perf_test-objs := bpf_load.o libbpf.o map_perf_test_user.o |
e3edfdec | 47 | test_overhead-objs := bpf_load.o libbpf.o test_overhead_user.o |
a3f74617 | 48 | test_cgrp2_array_pin-objs := libbpf.o test_cgrp2_array_pin.o |
86af8b41 | 49 | xdp1-objs := bpf_load.o libbpf.o xdp1_user.o |
764cbcce BB |
50 | # reuse xdp1 source intentionally |
51 | xdp2-objs := bpf_load.o libbpf.o xdp1_user.o | |
3c731eba AS |
52 | |
53 | # Tell kbuild to always build the programs | |
54 | always := $(hostprogs-y) | |
a8085782 | 55 | always += sockex1_kern.o |
fbe33108 | 56 | always += sockex2_kern.o |
530b2c86 | 57 | always += sockex3_kern.o |
b896c4f9 | 58 | always += tracex1_kern.o |
d822a192 | 59 | always += tracex2_kern.o |
5c7fc2d2 | 60 | always += tracex3_kern.o |
9811e353 | 61 | always += tracex4_kern.o |
5bacd780 | 62 | always += tracex5_kern.o |
47efb302 | 63 | always += tracex6_kern.o |
cf9b1199 | 64 | always += test_probe_write_user_kern.o |
39111695 | 65 | always += trace_output_kern.o |
91bc4822 | 66 | always += tcbpf1_kern.o |
0fb1170e | 67 | always += lathist_kern.o |
a6ffe7b9 | 68 | always += offwaketime_kern.o |
9d8b612d | 69 | always += spintest_kern.o |
26e90931 | 70 | always += map_perf_test_kern.o |
e3edfdec AS |
71 | always += test_overhead_tp_kern.o |
72 | always += test_overhead_kprobe_kern.o | |
65d472fb | 73 | always += parse_varlen.o parse_simple.o parse_ldabs.o |
a3f74617 | 74 | always += test_cgrp2_tc_kern.o |
86af8b41 | 75 | always += xdp1_kern.o |
764cbcce | 76 | always += xdp2_kern.o |
3c731eba AS |
77 | |
78 | HOSTCFLAGS += -I$(objtree)/usr/include | |
a8085782 AS |
79 | |
80 | HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable | |
42984d7c | 81 | HOSTLOADLIBES_fds_example += -lelf |
a8085782 | 82 | HOSTLOADLIBES_sockex1 += -lelf |
fbe33108 | 83 | HOSTLOADLIBES_sockex2 += -lelf |
530b2c86 | 84 | HOSTLOADLIBES_sockex3 += -lelf |
b896c4f9 | 85 | HOSTLOADLIBES_tracex1 += -lelf |
d822a192 | 86 | HOSTLOADLIBES_tracex2 += -lelf |
5c7fc2d2 | 87 | HOSTLOADLIBES_tracex3 += -lelf |
9811e353 | 88 | HOSTLOADLIBES_tracex4 += -lelf -lrt |
5bacd780 | 89 | HOSTLOADLIBES_tracex5 += -lelf |
47efb302 | 90 | HOSTLOADLIBES_tracex6 += -lelf |
cf9b1199 | 91 | HOSTLOADLIBES_test_probe_write_user += -lelf |
39111695 | 92 | HOSTLOADLIBES_trace_output += -lelf -lrt |
0fb1170e | 93 | HOSTLOADLIBES_lathist += -lelf |
a6ffe7b9 | 94 | HOSTLOADLIBES_offwaketime += -lelf |
9d8b612d | 95 | HOSTLOADLIBES_spintest += -lelf |
26e90931 | 96 | HOSTLOADLIBES_map_perf_test += -lelf -lrt |
e3edfdec | 97 | HOSTLOADLIBES_test_overhead += -lelf -lrt |
86af8b41 | 98 | HOSTLOADLIBES_xdp1 += -lelf |
764cbcce | 99 | HOSTLOADLIBES_xdp2 += -lelf |
a8085782 | 100 | |
bdefbbf2 JDB |
101 | # Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline: |
102 | # make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang | |
6ccfba75 | 103 | LLC ?= llc |
bdefbbf2 | 104 | CLANG ?= clang |
6ccfba75 | 105 | |
b62a796c JDB |
106 | # Trick to allow make to be run from this directory |
107 | all: | |
108 | $(MAKE) -C ../../ $$PWD/ | |
109 | ||
110 | clean: | |
111 | $(MAKE) -C ../../ M=$$PWD clean | |
112 | @rm -f *~ | |
113 | ||
bdefbbf2 JDB |
114 | # Verify LLVM compiler tools are available and bpf target is supported by llc |
115 | .PHONY: verify_cmds verify_target_bpf $(CLANG) $(LLC) | |
7b01dd57 | 116 | |
bdefbbf2 JDB |
117 | verify_cmds: $(CLANG) $(LLC) |
118 | @for TOOL in $^ ; do \ | |
119 | if ! (which -- "$${TOOL}" > /dev/null 2>&1); then \ | |
120 | echo "*** ERROR: Cannot find LLVM tool $${TOOL}" ;\ | |
121 | exit 1; \ | |
122 | else true; fi; \ | |
123 | done | |
7b01dd57 | 124 | |
bdefbbf2 | 125 | verify_target_bpf: verify_cmds |
7b01dd57 JDB |
126 | @if ! (${LLC} -march=bpf -mattr=help > /dev/null 2>&1); then \ |
127 | echo "*** ERROR: LLVM (${LLC}) does not support 'bpf' target" ;\ | |
128 | echo " NOTICE: LLVM version >= 3.7.1 required" ;\ | |
129 | exit 2; \ | |
130 | else true; fi | |
131 | ||
132 | $(src)/*.c: verify_target_bpf | |
133 | ||
128d1514 NR |
134 | # asm/sysreg.h - inline assembly used by it is incompatible with llvm. |
135 | # But, there is no easy way to fix it, so just exclude it since it is | |
30b50aa6 | 136 | # useless for BPF samples. |
b88c06e3 | 137 | $(obj)/%.o: $(src)/%.c |
bdefbbf2 | 138 | $(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ |
30b50aa6 | 139 | -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ |
65d472fb | 140 | -Wno-compare-distinct-pointer-types \ |
6ccfba75 | 141 | -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ |