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538 lines
20 KiB
538 lines
20 KiB
# SPDX-License-Identifier: GPL-2.0 |
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include ../../../build/Build.include |
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include ../../../scripts/Makefile.arch |
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include ../../../scripts/Makefile.include |
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CXX ?= $(CROSS_COMPILE)g++ |
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CURDIR := $(abspath .) |
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TOOLSDIR := $(abspath ../../..) |
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LIBDIR := $(TOOLSDIR)/lib |
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BPFDIR := $(LIBDIR)/bpf |
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TOOLSINCDIR := $(TOOLSDIR)/include |
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BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool |
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APIDIR := $(TOOLSINCDIR)/uapi |
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GENDIR := $(abspath ../../../../include/generated) |
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GENHDR := $(GENDIR)/autoconf.h |
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ifneq ($(wildcard $(GENHDR)),) |
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GENFLAGS := -DHAVE_GENHDR |
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endif |
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BPF_GCC ?= $(shell command -v bpf-gcc;) |
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SAN_CFLAGS ?= |
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CFLAGS += -g -O0 -rdynamic -Wall $(GENFLAGS) $(SAN_CFLAGS) \ |
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-I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \ |
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-I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT) \ |
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-Dbpf_prog_load=bpf_prog_test_load \ |
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-Dbpf_load_program=bpf_test_load_program |
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LDLIBS += -lcap -lelf -lz -lrt -lpthread |
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# Silence some warnings when compiled with clang |
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ifneq ($(LLVM),) |
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CFLAGS += -Wno-unused-command-line-argument |
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endif |
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# Order correspond to 'make run_tests' order |
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TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ |
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test_verifier_log test_dev_cgroup \ |
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test_sock test_sockmap get_cgroup_id_user \ |
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test_cgroup_storage \ |
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test_tcpnotify_user test_sysctl \ |
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test_progs-no_alu32 |
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# Also test bpf-gcc, if present |
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ifneq ($(BPF_GCC),) |
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TEST_GEN_PROGS += test_progs-bpf_gcc |
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endif |
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TEST_GEN_FILES = test_lwt_ip_encap.o \ |
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test_tc_edt.o |
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TEST_FILES = xsk_prereqs.sh \ |
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$(wildcard progs/btf_dump_test_case_*.c) |
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# Order correspond to 'make run_tests' order |
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TEST_PROGS := test_kmod.sh \ |
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test_xdp_redirect.sh \ |
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test_xdp_redirect_multi.sh \ |
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test_xdp_meta.sh \ |
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test_xdp_veth.sh \ |
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test_offload.py \ |
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test_sock_addr.sh \ |
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test_tunnel.sh \ |
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test_lwt_seg6local.sh \ |
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test_lirc_mode2.sh \ |
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test_skb_cgroup_id.sh \ |
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test_flow_dissector.sh \ |
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test_xdp_vlan_mode_generic.sh \ |
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test_xdp_vlan_mode_native.sh \ |
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test_lwt_ip_encap.sh \ |
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test_tcp_check_syncookie.sh \ |
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test_tc_tunnel.sh \ |
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test_tc_edt.sh \ |
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test_xdping.sh \ |
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test_bpftool_build.sh \ |
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test_bpftool.sh \ |
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test_bpftool_metadata.sh \ |
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test_doc_build.sh \ |
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test_xsk.sh |
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TEST_PROGS_EXTENDED := with_addr.sh \ |
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with_tunnels.sh \ |
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test_xdp_vlan.sh test_bpftool.py |
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# Compile but not part of 'make run_tests' |
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TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \ |
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flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \ |
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test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \ |
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xdpxceiver xdp_redirect_multi |
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TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read |
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# Emit succinct information message describing current building step |
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# $1 - generic step name (e.g., CC, LINK, etc); |
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# $2 - optional "flavor" specifier; if provided, will be emitted as [flavor]; |
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# $3 - target (assumed to be file); only file name will be emitted; |
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# $4 - optional extra arg, emitted as-is, if provided. |
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ifeq ($(V),1) |
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Q = |
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msg = |
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else |
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Q = @ |
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msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))"; |
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MAKEFLAGS += --no-print-directory |
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submake_extras := feature_display=0 |
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endif |
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# override lib.mk's default rules |
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OVERRIDE_TARGETS := 1 |
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override define CLEAN |
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$(call msg,CLEAN) |
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$(Q)$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) |
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$(Q)$(MAKE) -C bpf_testmod clean |
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$(Q)$(MAKE) docs-clean |
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endef |
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include ../lib.mk |
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SCRATCH_DIR := $(OUTPUT)/tools |
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BUILD_DIR := $(SCRATCH_DIR)/build |
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INCLUDE_DIR := $(SCRATCH_DIR)/include |
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BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a |
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ifneq ($(CROSS_COMPILE),) |
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HOST_BUILD_DIR := $(BUILD_DIR)/host |
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HOST_SCRATCH_DIR := $(OUTPUT)/host-tools |
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else |
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HOST_BUILD_DIR := $(BUILD_DIR) |
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HOST_SCRATCH_DIR := $(SCRATCH_DIR) |
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endif |
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HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a |
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RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids |
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VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ |
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$(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ |
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../../../../vmlinux \ |
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/sys/kernel/btf/vmlinux \ |
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/boot/vmlinux-$(shell uname -r) |
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VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) |
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ifeq ($(VMLINUX_BTF),) |
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$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") |
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endif |
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# Define simple and short `make test_progs`, `make test_sysctl`, etc targets |
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# to build individual tests. |
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# NOTE: Semicolon at the end is critical to override lib.mk's default static |
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# rule for binaries. |
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$(notdir $(TEST_GEN_PROGS) \ |
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$(TEST_PROGS) \ |
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$(TEST_PROGS_EXTENDED) \ |
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$(TEST_GEN_PROGS_EXTENDED) \ |
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$(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ; |
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# sort removes libbpf duplicates when not cross-building |
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MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \ |
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$(HOST_BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/resolve_btfids \ |
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$(INCLUDE_DIR)) |
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$(MAKE_DIRS): |
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$(call msg,MKDIR,,$@) |
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$(Q)mkdir -p $@ |
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$(OUTPUT)/%.o: %.c |
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$(call msg,CC,,$@) |
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$(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ |
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$(OUTPUT)/%:%.c |
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$(call msg,BINARY,,$@) |
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$(Q)$(LINK.c) $^ $(LDLIBS) -o $@ |
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$(OUTPUT)/urandom_read: urandom_read.c |
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$(call msg,BINARY,,$@) |
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$(Q)$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id=sha1 |
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$(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch]) |
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$(call msg,MOD,,$@) |
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$(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation |
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$(Q)$(MAKE) $(submake_extras) -C bpf_testmod |
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$(Q)cp bpf_testmod/bpf_testmod.ko $@ |
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$(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ) |
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$(call msg,CC,,$@) |
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$(Q)$(CC) -c $(CFLAGS) -o $@ $< |
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DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool |
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$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) |
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$(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \ |
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OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \ |
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BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \ |
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cp $(SCRATCH_DIR)/runqslower $@ |
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TEST_GEN_PROGS_EXTENDED += $(DEFAULT_BPFTOOL) |
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$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ) |
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$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c |
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$(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c |
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$(OUTPUT)/test_sock: cgroup_helpers.c |
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$(OUTPUT)/test_sock_addr: cgroup_helpers.c |
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$(OUTPUT)/test_sockmap: cgroup_helpers.c |
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$(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c |
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$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c |
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$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c |
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$(OUTPUT)/test_sock_fields: cgroup_helpers.c |
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$(OUTPUT)/test_sysctl: cgroup_helpers.c |
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BPFTOOL ?= $(DEFAULT_BPFTOOL) |
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$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ |
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$(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool |
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$(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ |
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CC=$(HOSTCC) LD=$(HOSTLD) \ |
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EXTRA_CFLAGS='-g -O0' \ |
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OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ |
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prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install |
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all: docs |
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docs: |
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$(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \ |
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-f Makefile.docs \ |
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prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@ |
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docs-clean: |
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$(Q)$(MAKE) $(submake_extras) \ |
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-f Makefile.docs \ |
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prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@ |
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$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ |
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../../../include/uapi/linux/bpf.h \ |
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| $(INCLUDE_DIR) $(BUILD_DIR)/libbpf |
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$(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ |
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EXTRA_CFLAGS='-g -O0' \ |
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DESTDIR=$(SCRATCH_DIR) prefix= all install_headers |
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ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) |
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$(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ |
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../../../include/uapi/linux/bpf.h \ |
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| $(INCLUDE_DIR) $(HOST_BUILD_DIR)/libbpf |
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$(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ |
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EXTRA_CFLAGS='-g -O0' \ |
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OUTPUT=$(HOST_BUILD_DIR)/libbpf/ CC=$(HOSTCC) LD=$(HOSTLD) \ |
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DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers |
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endif |
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$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR) |
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ifeq ($(VMLINUX_H),) |
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$(call msg,GEN,,$@) |
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$(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ |
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else |
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$(call msg,CP,,$@) |
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$(Q)cp "$(VMLINUX_H)" $@ |
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endif |
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$(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \ |
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$(TOOLSDIR)/bpf/resolve_btfids/main.c \ |
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$(TOOLSDIR)/lib/rbtree.c \ |
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$(TOOLSDIR)/lib/zalloc.c \ |
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$(TOOLSDIR)/lib/string.c \ |
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$(TOOLSDIR)/lib/ctype.c \ |
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$(TOOLSDIR)/lib/str_error_r.c |
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$(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ |
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CC=$(HOSTCC) LD=$(HOSTLD) AR=$(HOSTAR) \ |
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OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ) |
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# Get Clang's default includes on this system, as opposed to those seen by |
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# '-target bpf'. This fixes "missing" files on some architectures/distros, |
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# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. |
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# |
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# Use '-idirafter': Don't interfere with include mechanics except where the |
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# build would have failed anyways. |
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define get_sys_includes |
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$(shell $(1) -v -E - </dev/null 2>&1 \ |
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| sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ |
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$(shell $(1) -dM -E - </dev/null | grep '#define __riscv_xlen ' | sed 's/#define /-D/' | sed 's/ /=/') |
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endef |
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# Determine target endianness. |
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IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ |
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grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') |
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MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) |
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CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) |
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BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ |
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-I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ |
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-I$(abspath $(OUTPUT)/../usr/include) |
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CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ |
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-Wno-compare-distinct-pointer-types |
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$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline |
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$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline |
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$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h |
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# Build BPF object using Clang |
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# $1 - input .c file |
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# $2 - output .o file |
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# $3 - CFLAGS |
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define CLANG_BPF_BUILD_RULE |
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$(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) |
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$(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v3 |
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endef |
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# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 |
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define CLANG_NOALU32_BPF_BUILD_RULE |
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$(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) |
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$(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v2 |
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endef |
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# Build BPF object using GCC |
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define GCC_BPF_BUILD_RULE |
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$(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) |
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$(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2 |
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endef |
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SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c |
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LINKED_SKELS := test_static_linked.skel.h linked_funcs.skel.h \ |
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linked_vars.skel.h linked_maps.skel.h |
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LSKELS := kfunc_call_test.c fentry_test.c fexit_test.c fexit_sleep.c \ |
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test_ksyms_module.c test_ringbuf.c atomics.c trace_printk.c |
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SKEL_BLACKLIST += $$(LSKELS) |
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test_static_linked.skel.h-deps := test_static_linked1.o test_static_linked2.o |
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linked_funcs.skel.h-deps := linked_funcs1.o linked_funcs2.o |
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linked_vars.skel.h-deps := linked_vars1.o linked_vars2.o |
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linked_maps.skel.h-deps := linked_maps1.o linked_maps2.o |
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LINKED_BPF_SRCS := $(patsubst %.o,%.c,$(foreach skel,$(LINKED_SKELS),$($(skel)-deps))) |
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# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on |
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# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES. |
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# Parameters: |
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# $1 - test runner base binary name (e.g., test_progs) |
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# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) |
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define DEFINE_TEST_RUNNER |
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TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 |
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TRUNNER_BINARY := $1$(if $2,-)$2 |
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TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \ |
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$$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c))) |
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TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \ |
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$$(filter %.c,$(TRUNNER_EXTRA_SOURCES))) |
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TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES)) |
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TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h |
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TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c)) |
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TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS)) |
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TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \ |
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$$(filter-out $(SKEL_BLACKLIST) $(LINKED_BPF_SRCS),\ |
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$$(TRUNNER_BPF_SRCS))) |
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TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.lskel.h, $$(LSKELS)) |
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TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TRUNNER_OUTPUT)/,$(LINKED_SKELS)) |
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TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) |
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# Evaluate rules now with extra TRUNNER_XXX variables above already defined |
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$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2)) |
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endef |
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# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and |
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# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with: |
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# $1 - test runner base binary name (e.g., test_progs) |
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# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc) |
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define DEFINE_TEST_RUNNER_RULES |
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ifeq ($($(TRUNNER_OUTPUT)-dir),) |
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$(TRUNNER_OUTPUT)-dir := y |
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$(TRUNNER_OUTPUT): |
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$$(call msg,MKDIR,,$$@) |
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$(Q)mkdir -p $$@ |
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endif |
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# ensure we set up BPF objects generation rule just once for a given |
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# input/output directory combination |
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ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),) |
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$(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y |
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$(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \ |
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$(TRUNNER_BPF_PROGS_DIR)/%.c \ |
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$(TRUNNER_BPF_PROGS_DIR)/*.h \ |
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$$(INCLUDE_DIR)/vmlinux.h \ |
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$(wildcard $(BPFDIR)/bpf_*.h) \ |
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| $(TRUNNER_OUTPUT) $$(BPFOBJ) |
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$$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ |
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$(TRUNNER_BPF_CFLAGS)) |
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$(TRUNNER_BPF_SKELS): %.skel.h: %.o $(BPFTOOL) | $(TRUNNER_OUTPUT) |
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$$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) |
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$(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$< |
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$(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o) |
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$(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o) |
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$(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o) |
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$(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.o=)) > $$@ |
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$(TRUNNER_BPF_LSKELS): %.lskel.h: %.o $(BPFTOOL) | $(TRUNNER_OUTPUT) |
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$$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) |
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$(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$< |
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$(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o) |
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$(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o) |
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$(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o) |
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$(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.linked3.o) name $$(notdir $$(<:.o=)) > $$@ |
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$(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_BPF_OBJS) $(BPFTOOL) | $(TRUNNER_OUTPUT) |
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$$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.o)) |
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$(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps)) |
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$(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked1.o) |
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$(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked3.o) $$(@:.skel.h=.linked2.o) |
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$(Q)diff $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o) |
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$$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) |
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$(Q)$$(BPFTOOL) gen skeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$@ |
|
endif |
|
|
|
# ensure we set up tests.h header generation rule just once |
|
ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) |
|
$(TRUNNER_TESTS_DIR)-tests-hdr := y |
|
$(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c |
|
$$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@) |
|
$$(shell ( cd $(TRUNNER_TESTS_DIR); \ |
|
echo '/* Generated header, do not edit */'; \ |
|
ls *.c 2> /dev/null | \ |
|
sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@'; \ |
|
) > $$@) |
|
endif |
|
|
|
# compile individual test files |
|
# Note: we cd into output directory to ensure embedded BPF object is found |
|
$(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ |
|
$(TRUNNER_TESTS_DIR)/%.c \ |
|
$(TRUNNER_EXTRA_HDRS) \ |
|
$(TRUNNER_BPF_OBJS) \ |
|
$(TRUNNER_BPF_SKELS) \ |
|
$(TRUNNER_BPF_LSKELS) \ |
|
$(TRUNNER_BPF_SKELS_LINKED) \ |
|
$$(BPFOBJ) | $(TRUNNER_OUTPUT) |
|
$$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) |
|
$(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) |
|
|
|
$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \ |
|
%.c \ |
|
$(TRUNNER_EXTRA_HDRS) \ |
|
$(TRUNNER_TESTS_HDR) \ |
|
$$(BPFOBJ) | $(TRUNNER_OUTPUT) |
|
$$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@) |
|
$(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@ |
|
|
|
# non-flavored in-srctree builds receive special treatment, in particular, we |
|
# do not need to copy extra resources (see e.g. test_btf_dump_case()) |
|
$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT) |
|
ifneq ($2:$(OUTPUT),:$(shell pwd)) |
|
$$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES)) |
|
$(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/ |
|
endif |
|
|
|
$(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \ |
|
$(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \ |
|
$(RESOLVE_BTFIDS) \ |
|
| $(TRUNNER_BINARY)-extras |
|
$$(call msg,BINARY,,$$@) |
|
$(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@ |
|
$(Q)$(RESOLVE_BTFIDS) --no-fail --btf $(TRUNNER_OUTPUT)/btf_data.o $$@ |
|
|
|
endef |
|
|
|
# Define test_progs test runner. |
|
TRUNNER_TESTS_DIR := prog_tests |
|
TRUNNER_BPF_PROGS_DIR := progs |
|
TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \ |
|
network_helpers.c testing_helpers.c \ |
|
btf_helpers.c flow_dissector_load.h |
|
TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ |
|
ima_setup.sh \ |
|
$(wildcard progs/btf_dump_test_case_*.c) |
|
TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE |
|
TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) |
|
TRUNNER_BPF_CFLAGS += -DENABLE_ATOMICS_TESTS |
|
$(eval $(call DEFINE_TEST_RUNNER,test_progs)) |
|
|
|
# Define test_progs-no_alu32 test runner. |
|
TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE |
|
TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) |
|
$(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32)) |
|
|
|
# Define test_progs BPF-GCC-flavored test runner. |
|
ifneq ($(BPF_GCC),) |
|
TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE |
|
TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc) |
|
$(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc)) |
|
endif |
|
|
|
# Define test_maps test runner. |
|
TRUNNER_TESTS_DIR := map_tests |
|
TRUNNER_BPF_PROGS_DIR := progs |
|
TRUNNER_EXTRA_SOURCES := test_maps.c |
|
TRUNNER_EXTRA_FILES := |
|
TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built) |
|
TRUNNER_BPF_CFLAGS := |
|
$(eval $(call DEFINE_TEST_RUNNER,test_maps)) |
|
|
|
# Define test_verifier test runner. |
|
# It is much simpler than test_maps/test_progs and sufficiently different from |
|
# them (e.g., test.h is using completely pattern), that it's worth just |
|
# explicitly defining all the rules explicitly. |
|
verifier/tests.h: verifier/*.c |
|
$(shell ( cd verifier/; \ |
|
echo '/* Generated header, do not edit */'; \ |
|
echo '#ifdef FILL_ARRAY'; \ |
|
ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \ |
|
echo '#endif' \ |
|
) > verifier/tests.h) |
|
$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT) |
|
$(call msg,BINARY,,$@) |
|
$(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ |
|
|
|
# Make sure we are able to include and link libbpf against c++. |
|
$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ) |
|
$(call msg,CXX,,$@) |
|
$(Q)$(CXX) $(CFLAGS) $(filter %.a %.o %.cpp,$^) $(LDLIBS) -o $@ |
|
|
|
# Benchmark runner |
|
$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h |
|
$(call msg,CC,,$@) |
|
$(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ |
|
$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h |
|
$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h |
|
$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \ |
|
$(OUTPUT)/perfbuf_bench.skel.h |
|
$(OUTPUT)/bench.o: bench.h testing_helpers.h |
|
$(OUTPUT)/bench: LDLIBS += -lm |
|
$(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \ |
|
$(OUTPUT)/bench_count.o \ |
|
$(OUTPUT)/bench_rename.o \ |
|
$(OUTPUT)/bench_trigger.o \ |
|
$(OUTPUT)/bench_ringbufs.o |
|
$(call msg,BINARY,,$@) |
|
$(Q)$(CC) $(LDFLAGS) -o $@ $(filter %.a %.o,$^) $(LDLIBS) |
|
|
|
EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ |
|
prog_tests/tests.h map_tests/tests.h verifier/tests.h \ |
|
feature \ |
|
$(addprefix $(OUTPUT)/,*.o *.skel.h *.lskel.h no_alu32 bpf_gcc bpf_testmod.ko) |
|
|
|
.PHONY: docs docs-clean
|
|
|