/samples/bpf/Makefile
Makefile | 259 lines | 219 code | 26 blank | 14 comment | 3 complexity | 0d35ddc15c24e0d090a03612dc9c3223 MD5 | raw file
- # SPDX-License-Identifier: GPL-2.0
- BPF_SAMPLES_PATH ?= $(abspath $(srctree)/$(src))
- TOOLS_PATH := $(BPF_SAMPLES_PATH)/../../tools
- # List of programs to build
- hostprogs-y := test_lru_dist
- hostprogs-y += sock_example
- hostprogs-y += fds_example
- hostprogs-y += sockex1
- hostprogs-y += sockex2
- hostprogs-y += sockex3
- hostprogs-y += tracex1
- hostprogs-y += tracex2
- hostprogs-y += tracex3
- hostprogs-y += tracex4
- hostprogs-y += tracex5
- hostprogs-y += tracex6
- hostprogs-y += tracex7
- hostprogs-y += test_probe_write_user
- hostprogs-y += trace_output
- hostprogs-y += lathist
- hostprogs-y += offwaketime
- hostprogs-y += spintest
- hostprogs-y += map_perf_test
- hostprogs-y += test_overhead
- hostprogs-y += test_cgrp2_array_pin
- hostprogs-y += test_cgrp2_attach
- hostprogs-y += test_cgrp2_attach2
- hostprogs-y += test_cgrp2_sock
- hostprogs-y += test_cgrp2_sock2
- hostprogs-y += xdp1
- hostprogs-y += xdp2
- hostprogs-y += xdp_router_ipv4
- hostprogs-y += test_current_task_under_cgroup
- hostprogs-y += trace_event
- hostprogs-y += sampleip
- hostprogs-y += tc_l2_redirect
- hostprogs-y += lwt_len_hist
- hostprogs-y += xdp_tx_iptunnel
- hostprogs-y += test_map_in_map
- hostprogs-y += per_socket_stats_example
- hostprogs-y += load_sock_ops
- hostprogs-y += xdp_redirect
- hostprogs-y += xdp_redirect_map
- hostprogs-y += xdp_redirect_cpu
- hostprogs-y += xdp_monitor
- hostprogs-y += xdp_rxq_info
- hostprogs-y += syscall_tp
- hostprogs-y += cpustat
- hostprogs-y += xdp_adjust_tail
- hostprogs-y += xdpsock
- hostprogs-y += xdp_fwd
- hostprogs-y += task_fd_query
- # Libbpf dependencies
- LIBBPF = $(TOOLS_PATH)/lib/bpf/libbpf.a
- CGROUP_HELPERS := ../../tools/testing/selftests/bpf/cgroup_helpers.o
- TRACE_HELPERS := ../../tools/testing/selftests/bpf/trace_helpers.o
- fds_example-objs := bpf_load.o fds_example.o
- sockex1-objs := bpf_load.o sockex1_user.o
- sockex2-objs := bpf_load.o sockex2_user.o
- sockex3-objs := bpf_load.o sockex3_user.o
- tracex1-objs := bpf_load.o tracex1_user.o
- tracex2-objs := bpf_load.o tracex2_user.o
- tracex3-objs := bpf_load.o tracex3_user.o
- tracex4-objs := bpf_load.o tracex4_user.o
- tracex5-objs := bpf_load.o tracex5_user.o
- tracex6-objs := bpf_load.o tracex6_user.o
- tracex7-objs := bpf_load.o tracex7_user.o
- load_sock_ops-objs := bpf_load.o load_sock_ops.o
- test_probe_write_user-objs := bpf_load.o test_probe_write_user_user.o
- trace_output-objs := bpf_load.o trace_output_user.o $(TRACE_HELPERS)
- lathist-objs := bpf_load.o lathist_user.o
- offwaketime-objs := bpf_load.o offwaketime_user.o $(TRACE_HELPERS)
- spintest-objs := bpf_load.o spintest_user.o $(TRACE_HELPERS)
- map_perf_test-objs := bpf_load.o map_perf_test_user.o
- test_overhead-objs := bpf_load.o test_overhead_user.o
- test_cgrp2_array_pin-objs := test_cgrp2_array_pin.o
- test_cgrp2_attach-objs := test_cgrp2_attach.o
- test_cgrp2_attach2-objs := test_cgrp2_attach2.o $(CGROUP_HELPERS)
- test_cgrp2_sock-objs := test_cgrp2_sock.o
- test_cgrp2_sock2-objs := bpf_load.o test_cgrp2_sock2.o
- xdp1-objs := xdp1_user.o
- # reuse xdp1 source intentionally
- xdp2-objs := xdp1_user.o
- xdp_router_ipv4-objs := bpf_load.o xdp_router_ipv4_user.o
- test_current_task_under_cgroup-objs := bpf_load.o $(CGROUP_HELPERS) \
- test_current_task_under_cgroup_user.o
- trace_event-objs := bpf_load.o trace_event_user.o $(TRACE_HELPERS)
- sampleip-objs := bpf_load.o sampleip_user.o $(TRACE_HELPERS)
- tc_l2_redirect-objs := bpf_load.o tc_l2_redirect_user.o
- lwt_len_hist-objs := bpf_load.o lwt_len_hist_user.o
- xdp_tx_iptunnel-objs := bpf_load.o xdp_tx_iptunnel_user.o
- test_map_in_map-objs := bpf_load.o test_map_in_map_user.o
- per_socket_stats_example-objs := cookie_uid_helper_example.o
- xdp_redirect-objs := bpf_load.o xdp_redirect_user.o
- xdp_redirect_map-objs := bpf_load.o xdp_redirect_map_user.o
- xdp_redirect_cpu-objs := bpf_load.o xdp_redirect_cpu_user.o
- xdp_monitor-objs := bpf_load.o xdp_monitor_user.o
- xdp_rxq_info-objs := xdp_rxq_info_user.o
- syscall_tp-objs := bpf_load.o syscall_tp_user.o
- cpustat-objs := bpf_load.o cpustat_user.o
- xdp_adjust_tail-objs := xdp_adjust_tail_user.o
- xdpsock-objs := bpf_load.o xdpsock_user.o
- xdp_fwd-objs := bpf_load.o xdp_fwd_user.o
- task_fd_query-objs := bpf_load.o task_fd_query_user.o $(TRACE_HELPERS)
- # Tell kbuild to always build the programs
- always := $(hostprogs-y)
- always += sockex1_kern.o
- always += sockex2_kern.o
- always += sockex3_kern.o
- always += tracex1_kern.o
- always += tracex2_kern.o
- always += tracex3_kern.o
- always += tracex4_kern.o
- always += tracex5_kern.o
- always += tracex6_kern.o
- always += tracex7_kern.o
- always += sock_flags_kern.o
- always += test_probe_write_user_kern.o
- always += trace_output_kern.o
- always += tcbpf1_kern.o
- always += tc_l2_redirect_kern.o
- always += lathist_kern.o
- always += offwaketime_kern.o
- always += spintest_kern.o
- always += map_perf_test_kern.o
- always += test_overhead_tp_kern.o
- always += test_overhead_raw_tp_kern.o
- always += test_overhead_kprobe_kern.o
- always += parse_varlen.o parse_simple.o parse_ldabs.o
- always += test_cgrp2_tc_kern.o
- always += xdp1_kern.o
- always += xdp2_kern.o
- always += xdp_router_ipv4_kern.o
- always += test_current_task_under_cgroup_kern.o
- always += trace_event_kern.o
- always += sampleip_kern.o
- always += lwt_len_hist_kern.o
- always += xdp_tx_iptunnel_kern.o
- always += test_map_in_map_kern.o
- always += cookie_uid_helper_example.o
- always += tcp_synrto_kern.o
- always += tcp_rwnd_kern.o
- always += tcp_bufs_kern.o
- always += tcp_cong_kern.o
- always += tcp_iw_kern.o
- always += tcp_clamp_kern.o
- always += tcp_basertt_kern.o
- always += xdp_redirect_kern.o
- always += xdp_redirect_map_kern.o
- always += xdp_redirect_cpu_kern.o
- always += xdp_monitor_kern.o
- always += xdp_rxq_info_kern.o
- always += xdp2skb_meta_kern.o
- always += syscall_tp_kern.o
- always += cpustat_kern.o
- always += xdp_adjust_tail_kern.o
- always += xdpsock_kern.o
- always += xdp_fwd_kern.o
- always += task_fd_query_kern.o
- HOSTCFLAGS += -I$(objtree)/usr/include
- HOSTCFLAGS += -I$(srctree)/tools/lib/
- HOSTCFLAGS += -I$(srctree)/tools/testing/selftests/bpf/
- 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
- HOSTCFLAGS_trace_helpers.o += -I$(srctree)/tools/lib/bpf/
- HOSTCFLAGS_trace_output_user.o += -I$(srctree)/tools/lib/bpf/
- HOSTCFLAGS_offwaketime_user.o += -I$(srctree)/tools/lib/bpf/
- HOSTCFLAGS_spintest_user.o += -I$(srctree)/tools/lib/bpf/
- HOSTCFLAGS_trace_event_user.o += -I$(srctree)/tools/lib/bpf/
- HOSTCFLAGS_sampleip_user.o += -I$(srctree)/tools/lib/bpf/
- HOSTCFLAGS_task_fd_query_user.o += -I$(srctree)/tools/lib/bpf/
- HOST_LOADLIBES += $(LIBBPF) -lelf
- HOSTLOADLIBES_tracex4 += -lrt
- HOSTLOADLIBES_trace_output += -lrt
- HOSTLOADLIBES_map_perf_test += -lrt
- HOSTLOADLIBES_test_overhead += -lrt
- HOSTLOADLIBES_xdpsock += -pthread
- # 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
- LLC ?= llc
- CLANG ?= clang
- # Detect that we're cross compiling and use the cross compiler
- ifdef CROSS_COMPILE
- HOSTCC = $(CROSS_COMPILE)gcc
- CLANG_ARCH_ARGS = -target $(ARCH)
- endif
- # Trick to allow make to be run from this directory
- all:
- $(MAKE) -C ../../ $(CURDIR)/ BPF_SAMPLES_PATH=$(CURDIR)
- clean:
- $(MAKE) -C ../../ M=$(CURDIR) clean
- @rm -f *~
- $(LIBBPF): FORCE
- # Fix up variables inherited from Kbuild that tools/ build system won't like
- $(MAKE) -C $(dir $@) RM='rm -rf' LDFLAGS= srctree=$(BPF_SAMPLES_PATH)/../../ O=
- $(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:
- # Verify LLVM compiler tools are available and bpf target is supported by llc
- .PHONY: verify_cmds verify_target_bpf $(CLANG) $(LLC)
- 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
- verify_target_bpf: verify_cmds
- @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
- $(BPF_SAMPLES_PATH)/*.c: verify_target_bpf $(LIBBPF)
- $(src)/*.c: verify_target_bpf $(LIBBPF)
- $(obj)/tracex5_kern.o: $(obj)/syscall_nrs.h
- # 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
- # useless for BPF samples.
- $(obj)/%.o: $(src)/%.c
- @echo " CLANG-bpf " $@
- $(Q)$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) -I$(obj) \
- -I$(srctree)/tools/testing/selftests/bpf/ \
- -D__KERNEL__ -D__BPF_TRACING__ -Wno-unused-value -Wno-pointer-sign \
- -D__TARGET_ARCH_$(ARCH) -Wno-compare-distinct-pointer-types \
- -Wno-gnu-variable-sized-type-not-at-end \
- -Wno-address-of-packed-member -Wno-tautological-compare \
- -Wno-unknown-warning-option $(CLANG_ARCH_ARGS) \
- -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@