Makefile 8.4 KB
Newer Older
1
# SPDX-License-Identifier: GPL-2.0
2 3 4 5
# kbuild trick to avoid linker error. Can be omitted if a module is built.
obj- := dummy.o

# List of programs to build
6
hostprogs-y := test_lru_dist
7
hostprogs-y += sock_example
8
hostprogs-y += fds_example
9
hostprogs-y += sockex1
10
hostprogs-y += sockex2
11
hostprogs-y += sockex3
12
hostprogs-y += tracex1
13
hostprogs-y += tracex2
14
hostprogs-y += tracex3
15
hostprogs-y += tracex4
16
hostprogs-y += tracex5
17
hostprogs-y += tracex6
18
hostprogs-y += test_probe_write_user
19
hostprogs-y += trace_output
D
Daniel Wagner 已提交
20
hostprogs-y += lathist
21
hostprogs-y += offwaketime
22
hostprogs-y += spintest
23
hostprogs-y += map_perf_test
24
hostprogs-y += test_overhead
25
hostprogs-y += test_cgrp2_array_pin
26
hostprogs-y += test_cgrp2_attach
27
hostprogs-y += test_cgrp2_attach2
28
hostprogs-y += test_cgrp2_sock
29
hostprogs-y += test_cgrp2_sock2
30
hostprogs-y += xdp1
31
hostprogs-y += xdp2
32
hostprogs-y += test_current_task_under_cgroup
33
hostprogs-y += trace_event
34
hostprogs-y += sampleip
35
hostprogs-y += tc_l2_redirect
36
hostprogs-y += lwt_len_hist
37
hostprogs-y += xdp_tx_iptunnel
M
Martin KaFai Lau 已提交
38
hostprogs-y += test_map_in_map
39
hostprogs-y += per_socket_stats_example
40
hostprogs-y += load_sock_ops
41
hostprogs-y += xdp_redirect
42
hostprogs-y += xdp_redirect_map
43
hostprogs-y += xdp_redirect_cpu
44
hostprogs-y += xdp_monitor
45
hostprogs-y += syscall_tp
46

J
Joe Stringer 已提交
47
# Libbpf dependencies
48
LIBBPF := ../../tools/lib/bpf/bpf.o
J
Joe Stringer 已提交
49 50 51 52 53 54 55 56 57 58 59 60 61

test_lru_dist-objs := test_lru_dist.o $(LIBBPF)
sock_example-objs := sock_example.o $(LIBBPF)
fds_example-objs := bpf_load.o $(LIBBPF) fds_example.o
sockex1-objs := bpf_load.o $(LIBBPF) sockex1_user.o
sockex2-objs := bpf_load.o $(LIBBPF) sockex2_user.o
sockex3-objs := bpf_load.o $(LIBBPF) sockex3_user.o
tracex1-objs := bpf_load.o $(LIBBPF) tracex1_user.o
tracex2-objs := bpf_load.o $(LIBBPF) tracex2_user.o
tracex3-objs := bpf_load.o $(LIBBPF) tracex3_user.o
tracex4-objs := bpf_load.o $(LIBBPF) tracex4_user.o
tracex5-objs := bpf_load.o $(LIBBPF) tracex5_user.o
tracex6-objs := bpf_load.o $(LIBBPF) tracex6_user.o
62
load_sock_ops-objs := bpf_load.o $(LIBBPF) load_sock_ops.o
J
Joe Stringer 已提交
63 64 65 66 67 68 69 70 71 72 73 74 75
test_probe_write_user-objs := bpf_load.o $(LIBBPF) test_probe_write_user_user.o
trace_output-objs := bpf_load.o $(LIBBPF) trace_output_user.o
lathist-objs := bpf_load.o $(LIBBPF) lathist_user.o
offwaketime-objs := bpf_load.o $(LIBBPF) offwaketime_user.o
spintest-objs := bpf_load.o $(LIBBPF) spintest_user.o
map_perf_test-objs := bpf_load.o $(LIBBPF) map_perf_test_user.o
test_overhead-objs := bpf_load.o $(LIBBPF) test_overhead_user.o
test_cgrp2_array_pin-objs := $(LIBBPF) test_cgrp2_array_pin.o
test_cgrp2_attach-objs := $(LIBBPF) test_cgrp2_attach.o
test_cgrp2_attach2-objs := $(LIBBPF) test_cgrp2_attach2.o cgroup_helpers.o
test_cgrp2_sock-objs := $(LIBBPF) test_cgrp2_sock.o
test_cgrp2_sock2-objs := bpf_load.o $(LIBBPF) test_cgrp2_sock2.o
xdp1-objs := bpf_load.o $(LIBBPF) xdp1_user.o
76
# reuse xdp1 source intentionally
J
Joe Stringer 已提交
77 78
xdp2-objs := bpf_load.o $(LIBBPF) xdp1_user.o
test_current_task_under_cgroup-objs := bpf_load.o $(LIBBPF) cgroup_helpers.o \
79
				       test_current_task_under_cgroup_user.o
J
Joe Stringer 已提交
80 81 82 83 84
trace_event-objs := bpf_load.o $(LIBBPF) trace_event_user.o
sampleip-objs := bpf_load.o $(LIBBPF) sampleip_user.o
tc_l2_redirect-objs := bpf_load.o $(LIBBPF) tc_l2_redirect_user.o
lwt_len_hist-objs := bpf_load.o $(LIBBPF) lwt_len_hist_user.o
xdp_tx_iptunnel-objs := bpf_load.o $(LIBBPF) xdp_tx_iptunnel_user.o
M
Martin KaFai Lau 已提交
85
test_map_in_map-objs := bpf_load.o $(LIBBPF) test_map_in_map_user.o
86
per_socket_stats_example-objs := $(LIBBPF) cookie_uid_helper_example.o
87
xdp_redirect-objs := bpf_load.o $(LIBBPF) xdp_redirect_user.o
88
xdp_redirect_map-objs := bpf_load.o $(LIBBPF) xdp_redirect_map_user.o
89
xdp_redirect_cpu-objs := bpf_load.o $(LIBBPF) xdp_redirect_cpu_user.o
90
xdp_monitor-objs := bpf_load.o $(LIBBPF) xdp_monitor_user.o
91
syscall_tp-objs := bpf_load.o $(LIBBPF) syscall_tp_user.o
92 93 94

# Tell kbuild to always build the programs
always := $(hostprogs-y)
95
always += sockex1_kern.o
96
always += sockex2_kern.o
97
always += sockex3_kern.o
98
always += tracex1_kern.o
99
always += tracex2_kern.o
100
always += tracex3_kern.o
101
always += tracex4_kern.o
102
always += tracex5_kern.o
103
always += tracex6_kern.o
104
always += sock_flags_kern.o
105
always += test_probe_write_user_kern.o
106
always += trace_output_kern.o
107
always += tcbpf1_kern.o
108
always += tcbpf2_kern.o
109
always += tc_l2_redirect_kern.o
D
Daniel Wagner 已提交
110
always += lathist_kern.o
111
always += offwaketime_kern.o
112
always += spintest_kern.o
113
always += map_perf_test_kern.o
114 115
always += test_overhead_tp_kern.o
always += test_overhead_kprobe_kern.o
116
always += parse_varlen.o parse_simple.o parse_ldabs.o
117
always += test_cgrp2_tc_kern.o
118
always += xdp1_kern.o
119
always += xdp2_kern.o
120
always += test_current_task_under_cgroup_kern.o
121
always += trace_event_kern.o
122
always += sampleip_kern.o
123
always += lwt_len_hist_kern.o
124
always += xdp_tx_iptunnel_kern.o
M
Martin KaFai Lau 已提交
125
always += test_map_in_map_kern.o
126
always += cookie_uid_helper_example.o
127
always += tcp_synrto_kern.o
128
always += tcp_rwnd_kern.o
129
always += tcp_bufs_kern.o
130
always += tcp_cong_kern.o
131
always += tcp_iw_kern.o
132
always += tcp_clamp_kern.o
133
always += tcp_basertt_kern.o
134
always += xdp_redirect_kern.o
135
always += xdp_redirect_map_kern.o
136
always += xdp_redirect_cpu_kern.o
137
always += xdp_monitor_kern.o
138
always += syscall_tp_kern.o
139 140

HOSTCFLAGS += -I$(objtree)/usr/include
J
Joe Stringer 已提交
141
HOSTCFLAGS += -I$(srctree)/tools/lib/
A
Alexei Starovoitov 已提交
142
HOSTCFLAGS += -I$(srctree)/tools/testing/selftests/bpf/
143 144
HOSTCFLAGS += -I$(srctree)/tools/lib/ -I$(srctree)/tools/include
HOSTCFLAGS += -I$(srctree)/tools/perf
145 146

HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
147
HOSTLOADLIBES_fds_example += -lelf
148
HOSTLOADLIBES_sockex1 += -lelf
149
HOSTLOADLIBES_sockex2 += -lelf
150
HOSTLOADLIBES_sockex3 += -lelf
151
HOSTLOADLIBES_tracex1 += -lelf
152
HOSTLOADLIBES_tracex2 += -lelf
153
HOSTLOADLIBES_tracex3 += -lelf
154
HOSTLOADLIBES_tracex4 += -lelf -lrt
155
HOSTLOADLIBES_tracex5 += -lelf
156
HOSTLOADLIBES_tracex6 += -lelf
157
HOSTLOADLIBES_test_cgrp2_sock2 += -lelf
158
HOSTLOADLIBES_load_sock_ops += -lelf
159
HOSTLOADLIBES_test_probe_write_user += -lelf
160
HOSTLOADLIBES_trace_output += -lelf -lrt
D
Daniel Wagner 已提交
161
HOSTLOADLIBES_lathist += -lelf
162
HOSTLOADLIBES_offwaketime += -lelf
163
HOSTLOADLIBES_spintest += -lelf
164
HOSTLOADLIBES_map_perf_test += -lelf -lrt
165
HOSTLOADLIBES_test_overhead += -lelf -lrt
166
HOSTLOADLIBES_xdp1 += -lelf
167
HOSTLOADLIBES_xdp2 += -lelf
168
HOSTLOADLIBES_test_current_task_under_cgroup += -lelf
169
HOSTLOADLIBES_trace_event += -lelf
170
HOSTLOADLIBES_sampleip += -lelf
171
HOSTLOADLIBES_tc_l2_redirect += -l elf
172
HOSTLOADLIBES_lwt_len_hist += -l elf
173
HOSTLOADLIBES_xdp_tx_iptunnel += -lelf
M
Martin KaFai Lau 已提交
174
HOSTLOADLIBES_test_map_in_map += -lelf
175
HOSTLOADLIBES_xdp_redirect += -lelf
176
HOSTLOADLIBES_xdp_redirect_map += -lelf
177
HOSTLOADLIBES_xdp_redirect_cpu += -lelf
178
HOSTLOADLIBES_xdp_monitor += -lelf
179
HOSTLOADLIBES_syscall_tp += -lelf
180

181 182
# Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline:
#  make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang
183
LLC ?= llc
184
CLANG ?= clang
185

186 187 188
# Detect that we're cross compiling and use the cross compiler
ifdef CROSS_COMPILE
HOSTCC = $(CROSS_COMPILE)gcc
189
CLANG_ARCH_ARGS = -target $(ARCH)
190 191
endif

192 193
# Trick to allow make to be run from this directory
all:
194
	$(MAKE) -C ../../ $(CURDIR)/
195 196

clean:
197
	$(MAKE) -C ../../ M=$(CURDIR) clean
198 199
	@rm -f *~

200 201 202 203 204 205 206 207 208 209 210
$(obj)/syscall_nrs.s:	$(src)/syscall_nrs.c
	$(call if_changed_dep,cc_s_c)

$(obj)/syscall_nrs.h:	$(obj)/syscall_nrs.s FORCE
	$(call filechk,offsets,__SYSCALL_NRS_H__)

clean-files += syscall_nrs.h

FORCE:


211 212
# Verify LLVM compiler tools are available and bpf target is supported by llc
.PHONY: verify_cmds verify_target_bpf $(CLANG) $(LLC)
213

214 215 216 217 218 219 220
verify_cmds: $(CLANG) $(LLC)
	@for TOOL in $^ ; do \
		if ! (which -- "$${TOOL}" > /dev/null 2>&1); then \
			echo "*** ERROR: Cannot find LLVM tool $${TOOL}" ;\
			exit 1; \
		else true; fi; \
	done
221

222
verify_target_bpf: verify_cmds
223 224 225 226 227 228 229 230
	@if ! (${LLC} -march=bpf -mattr=help > /dev/null 2>&1); then \
		echo "*** ERROR: LLVM (${LLC}) does not support 'bpf' target" ;\
		echo "   NOTICE: LLVM version >= 3.7.1 required" ;\
		exit 2; \
	else true; fi

$(src)/*.c: verify_target_bpf

231 232
$(obj)/tracex5_kern.o: $(obj)/syscall_nrs.h

233 234
# asm/sysreg.h - inline assembly used by it is incompatible with llvm.
# But, there is no easy way to fix it, so just exclude it since it is
235
# useless for BPF samples.
236
$(obj)/%.o: $(src)/%.c
Y
Yonghong Song 已提交
237
	$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) -I$(obj) \
Y
Yonghong Song 已提交
238
		-I$(srctree)/tools/testing/selftests/bpf/ \
239
		-D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
240
		-D__TARGET_ARCH_$(ARCH) -Wno-compare-distinct-pointer-types \
241 242
		-Wno-gnu-variable-sized-type-not-at-end \
		-Wno-address-of-packed-member -Wno-tautological-compare \
243
		-Wno-unknown-warning-option $(CLANG_ARCH_ARGS) \
244
		-O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@