1 # SPDX-License-Identifier: GPL-2.0
4 BPFDIR := $(LIBDIR)/bpf
5 APIDIR := ../../../include/uapi
6 GENDIR := ../../../../include/generated
7 GENHDR := $(GENDIR)/autoconf.h
9 ifneq ($(wildcard $(GENHDR)),)
10 GENFLAGS := -DHAVE_GENHDR
13 CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include
14 LDLIBS += -lcap -lelf -lrt -lpthread
16 TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read
17 all: $(TEST_CUSTOM_PROGS)
19 $(TEST_CUSTOM_PROGS): urandom_read
21 urandom_read: urandom_read.c
22 $(CC) -o $(TEST_CUSTOM_PROGS) -static $<
24 # Order correspond to 'make run_tests' order
25 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
26 test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \
27 test_sock test_btf test_sockmap
29 TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test_obj_id.o \
30 test_pkt_md_access.o test_xdp_redirect.o test_xdp_meta.o sockmap_parse_prog.o \
31 sockmap_verdict_prog.o dev_cgroup.o sample_ret0.o test_tracepoint.o \
32 test_l4lb_noinline.o test_xdp_noinline.o test_stacktrace_map.o \
33 sample_map_ret0.o test_tcpbpf_kern.o test_stacktrace_build_id.o \
34 sockmap_tcp_msg_prog.o connect4_prog.o connect6_prog.o test_adjust_tail.o \
35 test_btf_haskv.o test_btf_nokv.o test_sockmap_kern.o test_tunnel_kern.o \
36 test_get_stack_rawtp.o
38 # Order correspond to 'make run_tests' order
39 TEST_PROGS := test_kmod.sh \
41 test_xdp_redirect.sh \
47 # Compile but not part of 'make run_tests'
48 TEST_GEN_PROGS_EXTENDED = test_libbpf_open test_sock_addr
52 BPFOBJ := $(OUTPUT)/libbpf.a
54 $(TEST_GEN_PROGS): $(BPFOBJ)
56 $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/libbpf.a
58 $(OUTPUT)/test_dev_cgroup: cgroup_helpers.c
59 $(OUTPUT)/test_sock: cgroup_helpers.c
60 $(OUTPUT)/test_sock_addr: cgroup_helpers.c
61 $(OUTPUT)/test_sockmap: cgroup_helpers.c
62 $(OUTPUT)/test_progs: trace_helpers.c
66 # force a rebuild of BPFOBJ when its dependencies are updated
70 $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/
74 LLVM_OBJCOPY ?= llvm-objcopy
77 PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1)
79 # Let newer LLVM versions transparently probe the kernel for availability
80 # of full BPF instruction set.
87 CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \
88 -Wno-compare-distinct-pointer-types
90 $(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline
91 $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline
93 BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help |& grep dwarfris)
94 BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help |& grep BTF)
95 BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --version |& grep LLVM)
97 ifneq ($(BTF_LLC_PROBE),)
98 ifneq ($(BTF_PAHOLE_PROBE),)
99 ifneq ($(BTF_OBJCOPY_PROBE),)
101 LLC_FLAGS += -mattr=dwarfris
108 $(CLANG) $(CLANG_FLAGS) \
109 -O2 -target bpf -emit-llvm -c $< -o - | \
110 $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@
111 ifeq ($(DWARF2BTF),y)
115 EXTRA_CLEAN := $(TEST_CUSTOM_PROGS)