1 # SPDX-License-Identifier: GPL-2.0 2 3 LIBDIR := ../../../lib 4 BPFDIR := $(LIBDIR)/bpf 5 APIDIR := ../../../include/uapi 6 GENDIR := ../../../../include/generated 7 GENHDR := $(GENDIR)/autoconf.h 8 9 ifneq ($(wildcard $(GENHDR)),) 10 GENFLAGS := -DHAVE_GENHDR 11 endif 12 13 CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(BPFDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include 14 LDLIBS += -lcap -lelf -lrt -lpthread 15 16 TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read 17 all: $(TEST_CUSTOM_PROGS) 18 19 $(TEST_CUSTOM_PROGS): $(OUTPUT)/%: %.c 20 $(CC) -o $(TEST_CUSTOM_PROGS) -static $< -Wl,--build-id 21 22 # Order correspond to 'make run_tests' order 23 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 24 test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \ 25 test_sock test_btf test_sockmap test_lirc_mode2_user get_cgroup_id_user \ 26 test_socket_cookie test_cgroup_storage test_select_reuseport test_section_names \ 27 test_netcnt 28 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 test_sockmap_kern.o test_sockhash_kern.o \ 37 test_lwt_seg6local.o sendmsg4_prog.o sendmsg6_prog.o test_lirc_mode2_kern.o \ 38 get_cgroup_id_kern.o socket_cookie_prog.o test_select_reuseport_kern.o \ 39 test_skb_cgroup_id_kern.o bpf_flow.o netcnt_prog.o \ 40 test_sk_lookup_kern.o test_xdp_vlan.o test_queue_map.o test_stack_map.o 41 42 # Order correspond to 'make run_tests' order 43 TEST_PROGS := test_kmod.sh \ 44 test_libbpf.sh \ 45 test_xdp_redirect.sh \ 46 test_xdp_meta.sh \ 47 test_offload.py \ 48 test_sock_addr.sh \ 49 test_tunnel.sh \ 50 test_lwt_seg6local.sh \ 51 test_lirc_mode2.sh \ 52 test_skb_cgroup_id.sh \ 53 test_flow_dissector.sh \ 54 test_xdp_vlan.sh 55 56 TEST_PROGS_EXTENDED := with_addr.sh 57 58 # Compile but not part of 'make run_tests' 59 TEST_GEN_PROGS_EXTENDED = test_libbpf_open test_sock_addr test_skb_cgroup_id_user \ 60 flow_dissector_load test_flow_dissector 61 62 include ../lib.mk 63 64 BPFOBJ := $(OUTPUT)/libbpf.a 65 66 $(TEST_GEN_PROGS): $(BPFOBJ) 67 68 $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/libbpf.a 69 70 $(OUTPUT)/test_dev_cgroup: cgroup_helpers.c 71 $(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c 72 $(OUTPUT)/test_sock: cgroup_helpers.c 73 $(OUTPUT)/test_sock_addr: cgroup_helpers.c 74 $(OUTPUT)/test_socket_cookie: cgroup_helpers.c 75 $(OUTPUT)/test_sockmap: cgroup_helpers.c 76 $(OUTPUT)/test_tcpbpf_user: cgroup_helpers.c 77 $(OUTPUT)/test_progs: trace_helpers.c 78 $(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c 79 $(OUTPUT)/test_cgroup_storage: cgroup_helpers.c 80 $(OUTPUT)/test_netcnt: cgroup_helpers.c 81 82 .PHONY: force 83 84 # force a rebuild of BPFOBJ when its dependencies are updated 85 force: 86 87 $(BPFOBJ): force 88 $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ 89 90 CLANG ?= clang 91 LLC ?= llc 92 LLVM_OBJCOPY ?= llvm-objcopy 93 BTF_PAHOLE ?= pahole 94 95 PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1) 96 97 # Let newer LLVM versions transparently probe the kernel for availability 98 # of full BPF instruction set. 99 ifeq ($(PROBE),) 100 CPU ?= probe 101 else 102 CPU ?= generic 103 endif 104 105 # Get Clang's default includes on this system, as opposed to those seen by 106 # '-target bpf'. This fixes "missing" files on some architectures/distros, 107 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 108 # 109 # Use '-idirafter': Don't interfere with include mechanics except where the 110 # build would have failed anyways. 111 CLANG_SYS_INCLUDES := $(shell $(CLANG) -v -E - </dev/null 2>&1 \ 112 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') 113 114 CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \ 115 $(CLANG_SYS_INCLUDES) \ 116 -Wno-compare-distinct-pointer-types 117 118 $(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline 119 $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline 120 121 $(OUTPUT)/test_queue_map.o: test_queue_stack_map.h 122 $(OUTPUT)/test_stack_map.o: test_queue_stack_map.h 123 124 BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris) 125 BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF) 126 BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm') 127 128 ifneq ($(BTF_LLC_PROBE),) 129 ifneq ($(BTF_PAHOLE_PROBE),) 130 ifneq ($(BTF_OBJCOPY_PROBE),) 131 CLANG_FLAGS += -g 132 LLC_FLAGS += -mattr=dwarfris 133 DWARF2BTF = y 134 endif 135 endif 136 endif 137 138 $(OUTPUT)/%.o: %.c 139 $(CLANG) $(CLANG_FLAGS) \ 140 -O2 -target bpf -emit-llvm -c $< -o - | \ 141 $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@ 142 ifeq ($(DWARF2BTF),y) 143 $(BTF_PAHOLE) -J $@ 144 endif 145 146 EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) 147
