AuxXxilium/linux_dsm_epyc7002
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samples: bpf: compile and link against full libbpf

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samples/bpf currently cherry-picks object files from tools/lib/bpf
to link against.  Just compile the full library and link statically
against it.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Jakub Kicinski 2018-05-10 10:24:39 -07:00 committed by Daniel Borkmann
parent 74662ea5d4
commit 5f9380572b
1 changed files with 14 additions and 7 deletions
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21
samples/bpf/Makefile
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@ -49,7 +49,7 @@ hostprogs-y += xdpsock
hostprogs-y += xdp_fwd
# Libbpf dependencies
LIBBPF := ../../tools/lib/bpf/bpf.o ../../tools/lib/bpf/nlattr.o
LIBBPF := ../../tools/lib/bpf/libbpf.a
CGROUP_HELPERS := ../../tools/testing/selftests/bpf/cgroup_helpers.o
TRACE_HELPERS := ../../tools/testing/selftests/bpf/trace_helpers.o
@ -74,10 +74,10 @@ offwaketime-objs := bpf_load.o $(LIBBPF) offwaketime_user.o $(TRACE_HELPERS)
spintest-objs := bpf_load.o $(LIBBPF) spintest_user.o $(TRACE_HELPERS)
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)
test_cgrp2_sock-objs := $(LIBBPF) test_cgrp2_sock.o
test_cgrp2_array_pin-objs := test_cgrp2_array_pin.o $(LIBBPF)
test_cgrp2_attach-objs := test_cgrp2_attach.o $(LIBBPF)
test_cgrp2_attach2-objs := test_cgrp2_attach2.o $(LIBBPF) $(CGROUP_HELPERS)
test_cgrp2_sock-objs := test_cgrp2_sock.o $(LIBBPF)
test_cgrp2_sock2-objs := bpf_load.o $(LIBBPF) test_cgrp2_sock2.o
xdp1-objs := bpf_load.o $(LIBBPF) xdp1_user.o
# reuse xdp1 source intentionally
@ -91,7 +91,7 @@ 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
test_map_in_map-objs := bpf_load.o $(LIBBPF) test_map_in_map_user.o
per_socket_stats_example-objs := $(LIBBPF) cookie_uid_helper_example.o
per_socket_stats_example-objs := cookie_uid_helper_example.o $(LIBBPF)
xdp_redirect-objs := bpf_load.o $(LIBBPF) xdp_redirect_user.o
xdp_redirect_map-objs := bpf_load.o $(LIBBPF) xdp_redirect_map_user.o
xdp_redirect_cpu-objs := bpf_load.o $(LIBBPF) xdp_redirect_cpu_user.o
@ -165,6 +165,8 @@ HOSTCFLAGS += -I$(srctree)/tools/lib/ -I$(srctree)/tools/include
HOSTCFLAGS += -I$(srctree)/tools/perf
HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
HOSTLOADLIBES_test_lru_dist += -lelf
HOSTLOADLIBES_sock_example += -lelf
HOSTLOADLIBES_fds_example += -lelf
HOSTLOADLIBES_sockex1 += -lelf
HOSTLOADLIBES_sockex2 += -lelf
@ -176,6 +178,10 @@ HOSTLOADLIBES_tracex4 += -lelf -lrt
HOSTLOADLIBES_tracex5 += -lelf
HOSTLOADLIBES_tracex6 += -lelf
HOSTLOADLIBES_tracex7 += -lelf
HOSTLOADLIBES_test_cgrp2_array_pin += -lelf
HOSTLOADLIBES_test_cgrp2_attach += -lelf
HOSTLOADLIBES_test_cgrp2_attach2 += -lelf
HOSTLOADLIBES_test_cgrp2_sock += -lelf
HOSTLOADLIBES_test_cgrp2_sock2 += -lelf
HOSTLOADLIBES_load_sock_ops += -lelf
HOSTLOADLIBES_test_probe_write_user += -lelf
@ -195,6 +201,7 @@ HOSTLOADLIBES_tc_l2_redirect += -l elf
HOSTLOADLIBES_lwt_len_hist += -l elf
HOSTLOADLIBES_xdp_tx_iptunnel += -lelf
HOSTLOADLIBES_test_map_in_map += -lelf
HOSTLOADLIBES_per_socket_stats_example += -lelf
HOSTLOADLIBES_xdp_redirect += -lelf
HOSTLOADLIBES_xdp_redirect_map += -lelf
HOSTLOADLIBES_xdp_redirect_cpu += -lelf
@ -226,7 +233,7 @@ clean:
@rm -f *~
$(LIBBPF): FORCE
$(MAKE) -C $(dir $@) $(notdir $@)
$(MAKE) -C $(dir $@)
$(obj)/syscall_nrs.s: $(src)/syscall_nrs.c
$(call if_changed_dep,cc_s_c)