1# SPDX-License-Identifier: GPL-2.0 2 3LIBDIR := ../../../lib 4BPFDIR := $(LIBDIR)/bpf 5APIDIR := ../../../include/uapi 6GENDIR := ../../../../include/generated 7GENHDR := $(GENDIR)/autoconf.h 8 9ifneq ($(wildcard $(GENHDR)),) 10 GENFLAGS := -DHAVE_GENHDR 11endif 12 13CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include 14LDLIBS += -lcap -lelf -lrt -lpthread 15 16# Order correspond to 'make run_tests' order 17TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 18 test_align test_verifier_log test_dev_cgroup test_tcpbpf_user 19 20TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test_obj_id.o \ 21 test_pkt_md_access.o test_xdp_redirect.o test_xdp_meta.o sockmap_parse_prog.o \ 22 sockmap_verdict_prog.o dev_cgroup.o sample_ret0.o test_tracepoint.o \ 23 test_l4lb_noinline.o test_xdp_noinline.o test_stacktrace_map.o \ 24 sample_map_ret0.o test_tcpbpf_kern.o 25 26# Order correspond to 'make run_tests' order 27TEST_PROGS := test_kmod.sh \ 28 test_libbpf.sh \ 29 test_xdp_redirect.sh \ 30 test_xdp_meta.sh \ 31 test_offload.py 32 33# Compile but not part of 'make run_tests' 34TEST_GEN_PROGS_EXTENDED = test_libbpf_open 35 36include ../lib.mk 37 38BPFOBJ := $(OUTPUT)/libbpf.a 39 40$(TEST_GEN_PROGS): $(BPFOBJ) 41 42$(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/libbpf.a 43 44$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c 45 46.PHONY: force 47 48# force a rebuild of BPFOBJ when its dependencies are updated 49force: 50 51$(BPFOBJ): force 52 $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ 53 54CLANG ?= clang 55LLC ?= llc 56 57PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1) 58 59# Let newer LLVM versions transparently probe the kernel for availability 60# of full BPF instruction set. 61ifeq ($(PROBE),) 62 CPU ?= probe 63else 64 CPU ?= generic 65endif 66 67CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \ 68 -Wno-compare-distinct-pointer-types 69 70$(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline 71$(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline 72 73$(OUTPUT)/%.o: %.c 74 $(CLANG) $(CLANG_FLAGS) \ 75 -O2 -target bpf -emit-llvm -c $< -o - | \ 76 $(LLC) -march=bpf -mcpu=$(CPU) -filetype=obj -o $@ 77