160 lines
5.4 KiB
Makefile
160 lines
5.4 KiB
Makefile
# kbuild trick to avoid linker error. Can be omitted if a module is built.
|
|
obj- := dummy.o
|
|
|
|
# List of programs to build
|
|
hostprogs-y := test_verifier test_maps
|
|
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 += 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 += xdp1
|
|
hostprogs-y += xdp2
|
|
hostprogs-y += test_current_task_under_cgroup
|
|
hostprogs-y += trace_event
|
|
hostprogs-y += sampleip
|
|
hostprogs-y += tc_l2_redirect
|
|
|
|
test_verifier-objs := test_verifier.o libbpf.o
|
|
test_maps-objs := test_maps.o libbpf.o
|
|
sock_example-objs := sock_example.o libbpf.o
|
|
fds_example-objs := bpf_load.o libbpf.o fds_example.o
|
|
sockex1-objs := bpf_load.o libbpf.o sockex1_user.o
|
|
sockex2-objs := bpf_load.o libbpf.o sockex2_user.o
|
|
sockex3-objs := bpf_load.o libbpf.o sockex3_user.o
|
|
tracex1-objs := bpf_load.o libbpf.o tracex1_user.o
|
|
tracex2-objs := bpf_load.o libbpf.o tracex2_user.o
|
|
tracex3-objs := bpf_load.o libbpf.o tracex3_user.o
|
|
tracex4-objs := bpf_load.o libbpf.o tracex4_user.o
|
|
tracex5-objs := bpf_load.o libbpf.o tracex5_user.o
|
|
tracex6-objs := bpf_load.o libbpf.o tracex6_user.o
|
|
test_probe_write_user-objs := bpf_load.o libbpf.o test_probe_write_user_user.o
|
|
trace_output-objs := bpf_load.o libbpf.o trace_output_user.o
|
|
lathist-objs := bpf_load.o libbpf.o lathist_user.o
|
|
offwaketime-objs := bpf_load.o libbpf.o offwaketime_user.o
|
|
spintest-objs := bpf_load.o libbpf.o spintest_user.o
|
|
map_perf_test-objs := bpf_load.o libbpf.o map_perf_test_user.o
|
|
test_overhead-objs := bpf_load.o libbpf.o test_overhead_user.o
|
|
test_cgrp2_array_pin-objs := libbpf.o test_cgrp2_array_pin.o
|
|
xdp1-objs := bpf_load.o libbpf.o xdp1_user.o
|
|
# reuse xdp1 source intentionally
|
|
xdp2-objs := bpf_load.o libbpf.o xdp1_user.o
|
|
test_current_task_under_cgroup-objs := bpf_load.o libbpf.o \
|
|
test_current_task_under_cgroup_user.o
|
|
trace_event-objs := bpf_load.o libbpf.o trace_event_user.o
|
|
sampleip-objs := bpf_load.o libbpf.o sampleip_user.o
|
|
tc_l2_redirect-objs := bpf_load.o libbpf.o tc_l2_redirect_user.o
|
|
|
|
# Tell kbuild to always build the programs
|
|
always := $(hostprogs-y)
|
|
always += sockex1_kern.o
|
|
always += sockex2_kern.o
|
|
always += sockex3_kern.o
|
|
always += tracex1_kern.o
|
|
always += tracex2_kern.o
|
|
always += tracex3_kern.o
|
|
always += tracex4_kern.o
|
|
always += tracex5_kern.o
|
|
always += tracex6_kern.o
|
|
always += test_probe_write_user_kern.o
|
|
always += trace_output_kern.o
|
|
always += tcbpf1_kern.o
|
|
always += tcbpf2_kern.o
|
|
always += tc_l2_redirect_kern.o
|
|
always += lathist_kern.o
|
|
always += offwaketime_kern.o
|
|
always += spintest_kern.o
|
|
always += map_perf_test_kern.o
|
|
always += test_overhead_tp_kern.o
|
|
always += test_overhead_kprobe_kern.o
|
|
always += parse_varlen.o parse_simple.o parse_ldabs.o
|
|
always += test_cgrp2_tc_kern.o
|
|
always += xdp1_kern.o
|
|
always += xdp2_kern.o
|
|
always += test_current_task_under_cgroup_kern.o
|
|
always += trace_event_kern.o
|
|
always += sampleip_kern.o
|
|
|
|
HOSTCFLAGS += -I$(objtree)/usr/include
|
|
|
|
HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
|
|
HOSTLOADLIBES_fds_example += -lelf
|
|
HOSTLOADLIBES_sockex1 += -lelf
|
|
HOSTLOADLIBES_sockex2 += -lelf
|
|
HOSTLOADLIBES_sockex3 += -lelf
|
|
HOSTLOADLIBES_tracex1 += -lelf
|
|
HOSTLOADLIBES_tracex2 += -lelf
|
|
HOSTLOADLIBES_tracex3 += -lelf
|
|
HOSTLOADLIBES_tracex4 += -lelf -lrt
|
|
HOSTLOADLIBES_tracex5 += -lelf
|
|
HOSTLOADLIBES_tracex6 += -lelf
|
|
HOSTLOADLIBES_test_probe_write_user += -lelf
|
|
HOSTLOADLIBES_trace_output += -lelf -lrt
|
|
HOSTLOADLIBES_lathist += -lelf
|
|
HOSTLOADLIBES_offwaketime += -lelf
|
|
HOSTLOADLIBES_spintest += -lelf
|
|
HOSTLOADLIBES_map_perf_test += -lelf -lrt
|
|
HOSTLOADLIBES_test_overhead += -lelf -lrt
|
|
HOSTLOADLIBES_xdp1 += -lelf
|
|
HOSTLOADLIBES_xdp2 += -lelf
|
|
HOSTLOADLIBES_test_current_task_under_cgroup += -lelf
|
|
HOSTLOADLIBES_trace_event += -lelf
|
|
HOSTLOADLIBES_sampleip += -lelf
|
|
HOSTLOADLIBES_tc_l2_redirect += -l elf
|
|
|
|
# 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
|
|
|
|
# Trick to allow make to be run from this directory
|
|
all:
|
|
$(MAKE) -C ../../ $$PWD/
|
|
|
|
clean:
|
|
$(MAKE) -C ../../ M=$$PWD clean
|
|
@rm -f *~
|
|
|
|
# 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
|
|
|
|
$(src)/*.c: verify_target_bpf
|
|
|
|
# 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
|
|
$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \
|
|
-D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \
|
|
-Wno-compare-distinct-pointer-types \
|
|
-O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@
|