| # SPDX-License-Identifier: GPL-2.0 |
| include ../../../build/Build.include |
| include ../../../scripts/Makefile.arch |
| include ../../../scripts/Makefile.include |
| |
| CXX ?= $(CROSS_COMPILE)g++ |
| |
| CURDIR := $(abspath .) |
| TOOLSDIR := $(abspath ../../..) |
| LIBDIR := $(TOOLSDIR)/lib |
| BPFDIR := $(LIBDIR)/bpf |
| TOOLSINCDIR := $(TOOLSDIR)/include |
| BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool |
| APIDIR := $(TOOLSINCDIR)/uapi |
| ifneq ($(O),) |
| GENDIR := $(O)/include/generated |
| else |
| GENDIR := $(abspath ../../../../include/generated) |
| endif |
| GENHDR := $(GENDIR)/autoconf.h |
| PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config |
| |
| ifneq ($(wildcard $(GENHDR)),) |
| GENFLAGS := -DHAVE_GENHDR |
| endif |
| |
| BPF_GCC ?= $(shell command -v bpf-gcc;) |
| SAN_CFLAGS ?= |
| SAN_LDFLAGS ?= $(SAN_CFLAGS) |
| RELEASE ?= |
| OPT_FLAGS ?= $(if $(RELEASE),-O2,-O0) |
| |
| LIBELF_CFLAGS := $(shell $(PKG_CONFIG) libelf --cflags 2>/dev/null) |
| LIBELF_LIBS := $(shell $(PKG_CONFIG) libelf --libs 2>/dev/null || echo -lelf) |
| |
| ifeq ($(srctree),) |
| srctree := $(patsubst %/,%,$(dir $(CURDIR))) |
| srctree := $(patsubst %/,%,$(dir $(srctree))) |
| srctree := $(patsubst %/,%,$(dir $(srctree))) |
| srctree := $(patsubst %/,%,$(dir $(srctree))) |
| endif |
| |
| CFLAGS += -g $(OPT_FLAGS) -rdynamic \ |
| -Wall -Werror -fno-omit-frame-pointer \ |
| $(GENFLAGS) $(SAN_CFLAGS) $(LIBELF_CFLAGS) \ |
| -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \ |
| -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT) |
| LDFLAGS += $(SAN_LDFLAGS) |
| LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread |
| |
| PCAP_CFLAGS := $(shell $(PKG_CONFIG) --cflags libpcap 2>/dev/null && echo "-DTRAFFIC_MONITOR=1") |
| PCAP_LIBS := $(shell $(PKG_CONFIG) --libs libpcap 2>/dev/null) |
| LDLIBS += $(PCAP_LIBS) |
| CFLAGS += $(PCAP_CFLAGS) |
| |
| # The following tests perform type punning and they may break strict |
| # aliasing rules, which are exploited by both GCC and clang by default |
| # while optimizing. This can lead to broken programs. |
| progs/bind4_prog.c-CFLAGS := -fno-strict-aliasing |
| progs/bind6_prog.c-CFLAGS := -fno-strict-aliasing |
| progs/dynptr_fail.c-CFLAGS := -fno-strict-aliasing |
| progs/linked_list_fail.c-CFLAGS := -fno-strict-aliasing |
| progs/map_kptr_fail.c-CFLAGS := -fno-strict-aliasing |
| progs/syscall.c-CFLAGS := -fno-strict-aliasing |
| progs/test_pkt_md_access.c-CFLAGS := -fno-strict-aliasing |
| progs/test_sk_lookup.c-CFLAGS := -fno-strict-aliasing |
| progs/timer_crash.c-CFLAGS := -fno-strict-aliasing |
| progs/test_global_func9.c-CFLAGS := -fno-strict-aliasing |
| progs/verifier_nocsr.c-CFLAGS := -fno-strict-aliasing |
| |
| # Some utility functions use LLVM libraries |
| jit_disasm_helpers.c-CFLAGS = $(LLVM_CFLAGS) |
| |
| ifneq ($(LLVM),) |
| # Silence some warnings when compiled with clang |
| CFLAGS += -Wno-unused-command-line-argument |
| endif |
| |
| # Check whether bpf cpu=v4 is supported or not by clang |
| ifneq ($(shell $(CLANG) --target=bpf -mcpu=help 2>&1 | grep 'v4'),) |
| CLANG_CPUV4 := 1 |
| endif |
| |
| # Order correspond to 'make run_tests' order |
| TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ |
| test_sock test_sockmap \ |
| test_tcpnotify_user test_sysctl \ |
| test_progs-no_alu32 |
| TEST_INST_SUBDIRS := no_alu32 |
| |
| # Also test bpf-gcc, if present |
| ifneq ($(BPF_GCC),) |
| TEST_GEN_PROGS += test_progs-bpf_gcc |
| TEST_INST_SUBDIRS += bpf_gcc |
| |
| # The following tests contain C code that, although technically legal, |
| # triggers GCC warnings that cannot be disabled: declaration of |
| # anonymous struct types in function parameter lists. |
| progs/btf_dump_test_case_bitfields.c-bpf_gcc-CFLAGS := -Wno-error |
| progs/btf_dump_test_case_namespacing.c-bpf_gcc-CFLAGS := -Wno-error |
| progs/btf_dump_test_case_packing.c-bpf_gcc-CFLAGS := -Wno-error |
| progs/btf_dump_test_case_padding.c-bpf_gcc-CFLAGS := -Wno-error |
| progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLAGS := -Wno-error |
| |
| # The following tests do type-punning, via the __imm_insn macro, from |
| # `struct bpf_insn' to long and then uses the value. This triggers an |
| # "is used uninitialized" warning in GCC due to strict-aliasing |
| # rules. |
| progs/verifier_ref_tracking.c-bpf_gcc-CFLAGS := -fno-strict-aliasing |
| progs/verifier_unpriv.c-bpf_gcc-CFLAGS := -fno-strict-aliasing |
| progs/verifier_cgroup_storage.c-bpf_gcc-CFLAGS := -fno-strict-aliasing |
| progs/verifier_ld_ind.c-bpf_gcc-CFLAGS := -fno-strict-aliasing |
| progs/verifier_map_ret_val.c-bpf_gcc-CFLAGS := -fno-strict-aliasing |
| progs/verifier_spill_fill.c-bpf_gcc-CFLAGS := -fno-strict-aliasing |
| progs/verifier_subprog_precision.c-bpf_gcc-CFLAGS := -fno-strict-aliasing |
| progs/verifier_uninit.c-bpf_gcc-CFLAGS := -fno-strict-aliasing |
| endif |
| |
| ifneq ($(CLANG_CPUV4),) |
| TEST_GEN_PROGS += test_progs-cpuv4 |
| TEST_INST_SUBDIRS += cpuv4 |
| endif |
| |
| TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_tc_edt.bpf.o |
| TEST_FILES = xsk_prereqs.sh $(wildcard progs/btf_dump_test_case_*.c) |
| |
| # Order correspond to 'make run_tests' order |
| TEST_PROGS := test_kmod.sh \ |
| test_xdp_redirect.sh \ |
| test_xdp_redirect_multi.sh \ |
| test_xdp_meta.sh \ |
| test_tunnel.sh \ |
| test_lwt_seg6local.sh \ |
| test_lirc_mode2.sh \ |
| test_skb_cgroup_id.sh \ |
| test_flow_dissector.sh \ |
| test_xdp_vlan_mode_generic.sh \ |
| test_xdp_vlan_mode_native.sh \ |
| test_lwt_ip_encap.sh \ |
| test_tcp_check_syncookie.sh \ |
| test_tc_tunnel.sh \ |
| test_tc_edt.sh \ |
| test_xdping.sh \ |
| test_bpftool_build.sh \ |
| test_bpftool.sh \ |
| test_bpftool_metadata.sh \ |
| test_doc_build.sh \ |
| test_xsk.sh \ |
| test_xdp_features.sh |
| |
| TEST_PROGS_EXTENDED := with_addr.sh \ |
| with_tunnels.sh ima_setup.sh verify_sig_setup.sh \ |
| test_xdp_vlan.sh test_bpftool.py |
| |
| # Compile but not part of 'make run_tests' |
| TEST_GEN_PROGS_EXTENDED = \ |
| flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \ |
| test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \ |
| xskxceiver xdp_redirect_multi xdp_synproxy veristat xdp_hw_metadata \ |
| xdp_features bpf_test_no_cfi.ko |
| |
| TEST_GEN_FILES += liburandom_read.so urandom_read sign-file uprobe_multi |
| |
| ifneq ($(V),1) |
| submake_extras := feature_display=0 |
| endif |
| |
| # override lib.mk's default rules |
| OVERRIDE_TARGETS := 1 |
| override define CLEAN |
| $(call msg,CLEAN) |
| $(Q)$(RM) -r $(TEST_GEN_PROGS) |
| $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED) |
| $(Q)$(RM) -r $(TEST_GEN_FILES) |
| $(Q)$(RM) -r $(EXTRA_CLEAN) |
| $(Q)$(MAKE) -C bpf_testmod clean |
| $(Q)$(MAKE) docs-clean |
| endef |
| |
| include ../lib.mk |
| |
| NON_CHECK_FEAT_TARGETS := clean docs-clean |
| CHECK_FEAT := $(filter-out $(NON_CHECK_FEAT_TARGETS),$(or $(MAKECMDGOALS), "none")) |
| ifneq ($(CHECK_FEAT),) |
| FEATURE_USER := .selftests |
| FEATURE_TESTS := llvm |
| FEATURE_DISPLAY := $(FEATURE_TESTS) |
| |
| # Makefile.feature expects OUTPUT to end with a slash |
| ifeq ($(shell expr $(MAKE_VERSION) \>= 4.4), 1) |
| $(let OUTPUT,$(OUTPUT)/,\ |
| $(eval include ../../../build/Makefile.feature)) |
| else |
| OUTPUT := $(OUTPUT)/ |
| $(eval include ../../../build/Makefile.feature) |
| OUTPUT := $(patsubst %/,%,$(OUTPUT)) |
| endif |
| endif |
| |
| ifeq ($(feature-llvm),1) |
| LLVM_CFLAGS += -DHAVE_LLVM_SUPPORT |
| LLVM_CONFIG_LIB_COMPONENTS := mcdisassembler all-targets |
| # both llvm-config and lib.mk add -D_GNU_SOURCE, which ends up as conflict |
| LLVM_CFLAGS += $(filter-out -D_GNU_SOURCE,$(shell $(LLVM_CONFIG) --cflags)) |
| LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --link-static --libs $(LLVM_CONFIG_LIB_COMPONENTS)) |
| LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --link-static --system-libs $(LLVM_CONFIG_LIB_COMPONENTS)) |
| LLVM_LDLIBS += -lstdc++ |
| LLVM_LDFLAGS += $(shell $(LLVM_CONFIG) --ldflags) |
| endif |
| |
| SCRATCH_DIR := $(OUTPUT)/tools |
| BUILD_DIR := $(SCRATCH_DIR)/build |
| INCLUDE_DIR := $(SCRATCH_DIR)/include |
| BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a |
| ifneq ($(CROSS_COMPILE),) |
| HOST_BUILD_DIR := $(BUILD_DIR)/host |
| HOST_SCRATCH_DIR := $(OUTPUT)/host-tools |
| HOST_INCLUDE_DIR := $(HOST_SCRATCH_DIR)/include |
| else |
| HOST_BUILD_DIR := $(BUILD_DIR) |
| HOST_SCRATCH_DIR := $(SCRATCH_DIR) |
| HOST_INCLUDE_DIR := $(INCLUDE_DIR) |
| endif |
| HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a |
| RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids |
| RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/ |
| |
| VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ |
| $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ |
| ../../../../vmlinux \ |
| /sys/kernel/btf/vmlinux \ |
| /boot/vmlinux-$(shell uname -r) |
| VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) |
| ifeq ($(VMLINUX_BTF),) |
| $(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") |
| endif |
| |
| # Define simple and short `make test_progs`, `make test_sysctl`, etc targets |
| # to build individual tests. |
| # NOTE: Semicolon at the end is critical to override lib.mk's default static |
| # rule for binaries. |
| $(notdir $(TEST_GEN_PROGS) \ |
| $(TEST_GEN_PROGS_EXTENDED)): %: $(OUTPUT)/% ; |
| |
| # sort removes libbpf duplicates when not cross-building |
| MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \ |
| $(BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/bpftool \ |
| $(HOST_BUILD_DIR)/resolve_btfids \ |
| $(RUNQSLOWER_OUTPUT) $(INCLUDE_DIR)) |
| $(MAKE_DIRS): |
| $(call msg,MKDIR,,$@) |
| $(Q)mkdir -p $@ |
| |
| $(OUTPUT)/%.o: %.c |
| $(call msg,CC,,$@) |
| $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ |
| |
| $(OUTPUT)/%:%.c |
| $(call msg,BINARY,,$@) |
| $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ |
| |
| # LLVM's ld.lld doesn't support all the architectures, so use it only on x86 |
| ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv)) |
| LLD := lld |
| else |
| LLD := ld |
| endif |
| |
| # Filter out -static for liburandom_read.so and its dependent targets so that static builds |
| # do not fail. Static builds leave urandom_read relying on system-wide shared libraries. |
| $(OUTPUT)/liburandom_read.so: urandom_read_lib1.c urandom_read_lib2.c liburandom_read.map |
| $(call msg,LIB,,$@) |
| $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ |
| $(filter-out -static,$(CFLAGS) $(LDFLAGS)) \ |
| $(filter %.c,$^) $(filter-out -static,$(LDLIBS)) \ |
| -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \ |
| -Wl,--version-script=liburandom_read.map \ |
| -fPIC -shared -o $@ |
| |
| $(OUTPUT)/urandom_read: urandom_read.c urandom_read_aux.c $(OUTPUT)/liburandom_read.so |
| $(call msg,BINARY,,$@) |
| $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \ |
| $(filter-out -static,$(CFLAGS) $(LDFLAGS)) $(filter %.c,$^) \ |
| -lurandom_read $(filter-out -static,$(LDLIBS)) -L$(OUTPUT) \ |
| -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \ |
| -Wl,-rpath=. -o $@ |
| |
| $(OUTPUT)/sign-file: ../../../../scripts/sign-file.c |
| $(call msg,SIGN-FILE,,$@) |
| $(Q)$(CC) $(shell $(PKG_CONFIG) --cflags libcrypto 2> /dev/null) \ |
| $< -o $@ \ |
| $(shell $(PKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto) |
| |
| $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch]) |
| $(call msg,MOD,,$@) |
| $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation |
| $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_testmod |
| $(Q)cp bpf_testmod/bpf_testmod.ko $@ |
| |
| $(OUTPUT)/bpf_test_no_cfi.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_test_no_cfi/Makefile bpf_test_no_cfi/*.[ch]) |
| $(call msg,MOD,,$@) |
| $(Q)$(RM) bpf_test_no_cfi/bpf_test_no_cfi.ko # force re-compilation |
| $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_test_no_cfi |
| $(Q)cp bpf_test_no_cfi/bpf_test_no_cfi.ko $@ |
| |
| DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool |
| ifneq ($(CROSS_COMPILE),) |
| CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool |
| TRUNNER_BPFTOOL := $(CROSS_BPFTOOL) |
| USE_BOOTSTRAP := "" |
| else |
| TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL) |
| USE_BOOTSTRAP := "bootstrap/" |
| endif |
| |
| $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) $(RUNQSLOWER_OUTPUT) |
| $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \ |
| OUTPUT=$(RUNQSLOWER_OUTPUT) VMLINUX_BTF=$(VMLINUX_BTF) \ |
| BPFTOOL_OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ |
| BPFOBJ_OUTPUT=$(BUILD_DIR)/libbpf/ \ |
| BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) \ |
| EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS)' \ |
| EXTRA_LDFLAGS='$(SAN_LDFLAGS)' && \ |
| cp $(RUNQSLOWER_OUTPUT)runqslower $@ |
| |
| TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL) |
| |
| $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ) |
| |
| TESTING_HELPERS := $(OUTPUT)/testing_helpers.o |
| CGROUP_HELPERS := $(OUTPUT)/cgroup_helpers.o |
| UNPRIV_HELPERS := $(OUTPUT)/unpriv_helpers.o |
| TRACE_HELPERS := $(OUTPUT)/trace_helpers.o |
| JSON_WRITER := $(OUTPUT)/json_writer.o |
| CAP_HELPERS := $(OUTPUT)/cap_helpers.o |
| NETWORK_HELPERS := $(OUTPUT)/network_helpers.o |
| |
| $(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTING_HELPERS) |
| $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TESTING_HELPERS) |
| $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) $(TRACE_HELPERS) |
| $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) $(TESTING_HELPERS) |
| $(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TESTING_HELPERS) |
| $(OUTPUT)/test_tag: $(TESTING_HELPERS) |
| $(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELPERS) |
| $(OUTPUT)/xdping: $(TESTING_HELPERS) |
| $(OUTPUT)/flow_dissector_load: $(TESTING_HELPERS) |
| $(OUTPUT)/test_maps: $(TESTING_HELPERS) |
| $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $(CAP_HELPERS) $(UNPRIV_HELPERS) |
| $(OUTPUT)/xsk.o: $(BPFOBJ) |
| $(OUTPUT)/test_tcp_check_syncookie_user: $(NETWORK_HELPERS) |
| |
| BPFTOOL ?= $(DEFAULT_BPFTOOL) |
| $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ |
| $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool |
| $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ |
| ARCH= CROSS_COMPILE= CC="$(HOSTCC)" LD="$(HOSTLD)" \ |
| EXTRA_CFLAGS='-g $(OPT_FLAGS)' \ |
| OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ |
| LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \ |
| LIBBPF_DESTDIR=$(HOST_SCRATCH_DIR)/ \ |
| prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin |
| |
| ifneq ($(CROSS_COMPILE),) |
| $(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ |
| $(BPFOBJ) | $(BUILD_DIR)/bpftool |
| $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ |
| ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) \ |
| EXTRA_CFLAGS='-g $(OPT_FLAGS)' \ |
| OUTPUT=$(BUILD_DIR)/bpftool/ \ |
| LIBBPF_OUTPUT=$(BUILD_DIR)/libbpf/ \ |
| LIBBPF_DESTDIR=$(SCRATCH_DIR)/ \ |
| prefix= DESTDIR=$(SCRATCH_DIR)/ install-bin |
| endif |
| |
| all: docs |
| |
| docs: |
| $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \ |
| -f Makefile.docs \ |
| prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@ |
| |
| docs-clean: |
| $(Q)$(MAKE) $(submake_extras) \ |
| -f Makefile.docs \ |
| prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@ |
| |
| $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ |
| $(APIDIR)/linux/bpf.h \ |
| | $(BUILD_DIR)/libbpf |
| $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ |
| EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS)' \ |
| EXTRA_LDFLAGS='$(SAN_LDFLAGS)' \ |
| DESTDIR=$(SCRATCH_DIR) prefix= all install_headers |
| |
| ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) |
| $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ |
| $(APIDIR)/linux/bpf.h \ |
| | $(HOST_BUILD_DIR)/libbpf |
| $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ |
| EXTRA_CFLAGS='-g $(OPT_FLAGS)' ARCH= CROSS_COMPILE= \ |
| OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \ |
| CC="$(HOSTCC)" LD="$(HOSTLD)" \ |
| DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers |
| endif |
| |
| # vmlinux.h is first dumped to a temprorary file and then compared to |
| # the previous version. This helps to avoid unnecessary re-builds of |
| # $(TRUNNER_BPF_OBJS) |
| $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR) |
| ifeq ($(VMLINUX_H),) |
| $(call msg,GEN,,$@) |
| $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $(INCLUDE_DIR)/.vmlinux.h.tmp |
| $(Q)cmp -s $(INCLUDE_DIR)/.vmlinux.h.tmp $@ || mv $(INCLUDE_DIR)/.vmlinux.h.tmp $@ |
| else |
| $(call msg,CP,,$@) |
| $(Q)cp "$(VMLINUX_H)" $@ |
| endif |
| |
| $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \ |
| $(TOOLSDIR)/bpf/resolve_btfids/main.c \ |
| $(TOOLSDIR)/lib/rbtree.c \ |
| $(TOOLSDIR)/lib/zalloc.c \ |
| $(TOOLSDIR)/lib/string.c \ |
| $(TOOLSDIR)/lib/ctype.c \ |
| $(TOOLSDIR)/lib/str_error_r.c |
| $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ |
| CC="$(HOSTCC)" LD="$(HOSTLD)" AR="$(HOSTAR)" \ |
| LIBBPF_INCLUDE=$(HOST_INCLUDE_DIR) \ |
| OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ) |
| |
| # Get Clang's default includes on this system, as opposed to those seen by |
| # '--target=bpf'. This fixes "missing" files on some architectures/distros, |
| # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. |
| # |
| # Use '-idirafter': Don't interfere with include mechanics except where the |
| # build would have failed anyways. |
| define get_sys_includes |
| $(shell $(1) $(2) -v -E - </dev/null 2>&1 \ |
| | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ |
| $(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') \ |
| $(shell $(1) $(2) -dM -E - </dev/null | grep '__loongarch_grlen ' | awk '{printf("-D__BITS_PER_LONG=%d", $$3)}') \ |
| $(shell $(1) $(2) -dM -E - </dev/null | grep -E 'MIPS(EL|EB)|_MIPS_SZ(PTR|LONG) |_MIPS_SIM |_ABI(O32|N32|64) ' | awk '{printf("-D%s=%s ", $$2, $$3)}') |
| endef |
| |
| # Determine target endianness. |
| IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ |
| grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') |
| MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) |
| |
| ifneq ($(CROSS_COMPILE),) |
| CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%)) |
| endif |
| |
| CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH)) |
| BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ |
| -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ |
| -I$(abspath $(OUTPUT)/../usr/include) \ |
| -Wno-compare-distinct-pointer-types |
| # TODO: enable me -Wsign-compare |
| |
| CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) |
| |
| $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline |
| $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline |
| |
| $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h |
| $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup_getset_retval_hooks.h |
| |
| # Build BPF object using Clang |
| # $1 - input .c file |
| # $2 - output .o file |
| # $3 - CFLAGS |
| # $4 - binary name |
| define CLANG_BPF_BUILD_RULE |
| $(call msg,CLNG-BPF,$4,$2) |
| $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v3 -o $2 |
| endef |
| # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 |
| define CLANG_NOALU32_BPF_BUILD_RULE |
| $(call msg,CLNG-BPF,$4,$2) |
| $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v2 -o $2 |
| endef |
| # Similar to CLANG_BPF_BUILD_RULE, but with cpu-v4 |
| define CLANG_CPUV4_BPF_BUILD_RULE |
| $(call msg,CLNG-BPF,$4,$2) |
| $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v4 -o $2 |
| endef |
| # Build BPF object using GCC |
| define GCC_BPF_BUILD_RULE |
| $(call msg,GCC-BPF,$4,$2) |
| $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_ACCESS_INDEX -Wno-attributes -O2 -c $1 -o $2 |
| endef |
| |
| SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c |
| |
| LINKED_SKELS := test_static_linked.skel.h linked_funcs.skel.h \ |
| linked_vars.skel.h linked_maps.skel.h \ |
| test_subskeleton.skel.h test_subskeleton_lib.skel.h \ |
| test_usdt.skel.h |
| |
| LSKELS := fentry_test.c fexit_test.c fexit_sleep.c atomics.c \ |
| trace_printk.c trace_vprintk.c map_ptr_kern.c \ |
| core_kern.c core_kern_overflow.c test_ringbuf.c \ |
| test_ringbuf_n.c test_ringbuf_map_key.c test_ringbuf_write.c |
| |
| # Generate both light skeleton and libbpf skeleton for these |
| LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c kfunc_call_test.c \ |
| kfunc_call_test_subprog.c |
| SKEL_BLACKLIST += $$(LSKELS) |
| |
| test_static_linked.skel.h-deps := test_static_linked1.bpf.o test_static_linked2.bpf.o |
| linked_funcs.skel.h-deps := linked_funcs1.bpf.o linked_funcs2.bpf.o |
| linked_vars.skel.h-deps := linked_vars1.bpf.o linked_vars2.bpf.o |
| linked_maps.skel.h-deps := linked_maps1.bpf.o linked_maps2.bpf.o |
| # In the subskeleton case, we want the test_subskeleton_lib.subskel.h file |
| # but that's created as a side-effect of the skel.h generation. |
| test_subskeleton.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o test_subskeleton.bpf.o |
| test_subskeleton_lib.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o |
| test_usdt.skel.h-deps := test_usdt.bpf.o test_usdt_multispec.bpf.o |
| xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf.o |
| xdp_hw_metadata.skel.h-deps := xdp_hw_metadata.bpf.o |
| xdp_features.skel.h-deps := xdp_features.bpf.o |
| |
| LINKED_BPF_OBJS := $(foreach skel,$(LINKED_SKELS),$($(skel)-deps)) |
| LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(LINKED_BPF_OBJS)) |
| |
| HEADERS_FOR_BPF_OBJS := $(wildcard $(BPFDIR)/*.bpf.h) \ |
| $(addprefix $(BPFDIR)/, bpf_core_read.h \ |
| bpf_endian.h \ |
| bpf_helpers.h \ |
| bpf_tracing.h) |
| |
| # Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on |
| # $eval()) and pass control to DEFINE_TEST_RUNNER_RULES. |
| # Parameters: |
| # $1 - test runner base binary name (e.g., test_progs) |
| # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc) |
| define DEFINE_TEST_RUNNER |
| |
| TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2 |
| TRUNNER_BINARY := $1$(if $2,-)$2 |
| TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o, \ |
| $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c))) |
| TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, \ |
| $$(filter %.c,$(TRUNNER_EXTRA_SOURCES))) |
| TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES)) |
| TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h |
| TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c)) |
| TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.bpf.o, $$(TRUNNER_BPF_SRCS)) |
| TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \ |
| $$(filter-out $(SKEL_BLACKLIST) $(LINKED_BPF_SRCS),\ |
| $$(TRUNNER_BPF_SRCS))) |
| TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.lskel.h, $$(LSKELS) $$(LSKELS_EXTRA)) |
| TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TRUNNER_OUTPUT)/,$(LINKED_SKELS)) |
| TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS) |
| |
| # Evaluate rules now with extra TRUNNER_XXX variables above already defined |
| $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2)) |
| |
| endef |
| |
| # Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and |
| # set up by DEFINE_TEST_RUNNER itself, create test runner build rules with: |
| # $1 - test runner base binary name (e.g., test_progs) |
| # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc) |
| define DEFINE_TEST_RUNNER_RULES |
| |
| ifeq ($($(TRUNNER_OUTPUT)-dir),) |
| $(TRUNNER_OUTPUT)-dir := y |
| $(TRUNNER_OUTPUT): |
| $$(call msg,MKDIR,,$$@) |
| $(Q)mkdir -p $$@ |
| endif |
| |
| # ensure we set up BPF objects generation rule just once for a given |
| # input/output directory combination |
| ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),) |
| $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y |
| $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o: \ |
| $(TRUNNER_BPF_PROGS_DIR)/%.c \ |
| $(TRUNNER_BPF_PROGS_DIR)/*.h \ |
| $$(INCLUDE_DIR)/vmlinux.h \ |
| $(HEADERS_FOR_BPF_OBJS) \ |
| | $(TRUNNER_OUTPUT) $$(BPFOBJ) |
| $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ |
| $(TRUNNER_BPF_CFLAGS) \ |
| $$($$<-CFLAGS) \ |
| $$($$<-$2-CFLAGS),$(TRUNNER_BINARY)) |
| |
| $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT) |
| $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) |
| $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$< |
| $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o) |
| $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o) |
| $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o) |
| $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$@ |
| $(Q)$$(BPFTOOL) gen subskeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$(@:.skel.h=.subskel.h) |
| $(Q)rm -f $$(<:.o=.linked1.o) $$(<:.o=.linked2.o) $$(<:.o=.linked3.o) |
| |
| $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT) |
| $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) |
| $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked1.o) $$< |
| $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked2.o) $$(<:.o=.llinked1.o) |
| $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked3.o) $$(<:.o=.llinked2.o) |
| $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o) |
| $(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.llinked3.o) name $$(notdir $$(<:.bpf.o=_lskel)) > $$@ |
| $(Q)rm -f $$(<:.o=.llinked1.o) $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o) |
| |
| $(LINKED_BPF_OBJS): %: $(TRUNNER_OUTPUT)/% |
| |
| # .SECONDEXPANSION here allows to correctly expand %-deps variables as prerequisites |
| .SECONDEXPANSION: |
| $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_OUTPUT)/%: $$$$(%-deps) $(BPFTOOL) | $(TRUNNER_OUTPUT) |
| $$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.bpf.o)) |
| $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps)) |
| $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked1.o) |
| $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked3.o) $$(@:.skel.h=.linked2.o) |
| $(Q)diff $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o) |
| $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@) |
| $(Q)$$(BPFTOOL) gen skeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$@ |
| $(Q)$$(BPFTOOL) gen subskeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$(@:.skel.h=.subskel.h) |
| $(Q)rm -f $$(@:.skel.h=.linked1.o) $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o) |
| |
| # When the compiler generates a %.d file, only skel basenames (not |
| # full paths) are specified as prerequisites for corresponding %.o |
| # file. This target makes %.skel.h basename dependent on full paths, |
| # linking generated %.d dependency with actual %.skel.h files. |
| $(notdir %.skel.h): $(TRUNNER_OUTPUT)/%.skel.h |
| @true |
| |
| endif |
| |
| # ensure we set up tests.h header generation rule just once |
| ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),) |
| $(TRUNNER_TESTS_DIR)-tests-hdr := y |
| $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c |
| $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@) |
| $$(shell (echo '/* Generated header, do not edit */'; \ |
| sed -n -E 's/^void (serial_)?test_([a-zA-Z0-9_]+)\((void)?\).*/DEFINE_TEST(\2)/p' \ |
| $(TRUNNER_TESTS_DIR)/*.c | sort ; \ |
| ) > $$@) |
| endif |
| |
| # compile individual test files |
| # Note: we cd into output directory to ensure embedded BPF object is found |
| $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \ |
| $(TRUNNER_TESTS_DIR)/%.c \ |
| | $(TRUNNER_OUTPUT)/%.test.d |
| $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@) |
| $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -MMD -MT $$@ -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F) |
| |
| $(TRUNNER_TEST_OBJS:.o=.d): $(TRUNNER_OUTPUT)/%.test.d: \ |
| $(TRUNNER_TESTS_DIR)/%.c \ |
| $(TRUNNER_EXTRA_HDRS) \ |
| $(TRUNNER_BPF_SKELS) \ |
| $(TRUNNER_BPF_LSKELS) \ |
| $(TRUNNER_BPF_SKELS_LINKED) \ |
| $$(BPFOBJ) | $(TRUNNER_OUTPUT) |
| |
| ifeq ($(filter clean docs-clean,$(MAKECMDGOALS)),) |
| include $(wildcard $(TRUNNER_TEST_OBJS:.o=.d)) |
| endif |
| |
| # add per extra obj CFGLAGS definitions |
| $(foreach N,$(patsubst $(TRUNNER_OUTPUT)/%.o,%,$(TRUNNER_EXTRA_OBJS)), \ |
| $(eval $(TRUNNER_OUTPUT)/$(N).o: CFLAGS += $($(N).c-CFLAGS))) |
| |
| $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \ |
| %.c \ |
| $(TRUNNER_EXTRA_HDRS) \ |
| $(TRUNNER_TESTS_HDR) \ |
| $$(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 $$^ $(TRUNNER_OUTPUT)/ |
| endif |
| |
| $(OUTPUT)/$(TRUNNER_BINARY): LDLIBS += $$(LLVM_LDLIBS) |
| $(OUTPUT)/$(TRUNNER_BINARY): LDFLAGS += $$(LLVM_LDFLAGS) |
| |
| # some X.test.o files have runtime dependencies on Y.bpf.o files |
| $(OUTPUT)/$(TRUNNER_BINARY): | $(TRUNNER_BPF_OBJS) |
| |
| $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \ |
| $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \ |
| $(RESOLVE_BTFIDS) \ |
| $(TRUNNER_BPFTOOL) \ |
| | $(TRUNNER_BINARY)-extras |
| $$(call msg,BINARY,,$$@) |
| $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) $$(LDFLAGS) -o $$@ |
| $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_OUTPUT)/btf_data.bpf.o $$@ |
| $(Q)ln -sf $(if $2,..,.)/tools/build/bpftool/$(USE_BOOTSTRAP)bpftool \ |
| $(OUTPUT)/$(if $2,$2/)bpftool |
| |
| 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 \ |
| cap_helpers.c \ |
| unpriv_helpers.c \ |
| netlink_helpers.c \ |
| jit_disasm_helpers.c \ |
| test_loader.c \ |
| xsk.c \ |
| disasm.c \ |
| disasm_helpers.c \ |
| json_writer.c \ |
| flow_dissector_load.h \ |
| ip_check_defrag_frags.h |
| TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ |
| $(OUTPUT)/bpf_test_no_cfi.ko \ |
| $(OUTPUT)/liburandom_read.so \ |
| $(OUTPUT)/xdp_synproxy \ |
| $(OUTPUT)/sign-file \ |
| $(OUTPUT)/uprobe_multi \ |
| ima_setup.sh \ |
| verify_sig_setup.sh \ |
| $(wildcard progs/btf_dump_test_case_*.c) \ |
| $(wildcard progs/*.bpf.o) |
| TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE |
| TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_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 $(call DEFINE_TEST_RUNNER,test_progs,no_alu32)) |
| |
| # Define test_progs-cpuv4 test runner. |
| ifneq ($(CLANG_CPUV4),) |
| TRUNNER_BPF_BUILD_RULE := CLANG_CPUV4_BPF_BUILD_RULE |
| TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS |
| $(eval $(call DEFINE_TEST_RUNNER,test_progs,cpuv4)) |
| endif |
| |
| # Define test_progs BPF-GCC-flavored test runner. |
| ifneq ($(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 $@ |
| |
| # Include find_bit.c to compile xskxceiver. |
| EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c |
| $(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver.c xskxceiver.h $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xsk_xdp_progs.skel.h $(BPFOBJ) | $(OUTPUT) |
| $(call msg,BINARY,,$@) |
| $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ |
| |
| $(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xdp_hw_metadata.skel.h | $(OUTPUT) |
| $(call msg,BINARY,,$@) |
| $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@ |
| |
| $(OUTPUT)/xdp_features: xdp_features.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xdp_features.skel.h | $(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) $(subst -D_GNU_SOURCE=,,$(CFLAGS)) $(filter %.a %.o %.cpp,$^) $(LDLIBS) -o $@ |
| |
| # Benchmark runner |
| $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h $(BPFOBJ) |
| $(call msg,CC,,$@) |
| $(Q)$(CC) $(CFLAGS) -O2 -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_bloom_filter_map.o: $(OUTPUT)/bloom_filter_bench.skel.h |
| $(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop_bench.skel.h |
| $(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_bench.skel.h |
| $(OUTPUT)/bench_bpf_hashmap_full_update.o: $(OUTPUT)/bpf_hashmap_full_update_bench.skel.h |
| $(OUTPUT)/bench_local_storage.o: $(OUTPUT)/local_storage_bench.skel.h |
| $(OUTPUT)/bench_local_storage_rcu_tasks_trace.o: $(OUTPUT)/local_storage_rcu_tasks_trace_bench.skel.h |
| $(OUTPUT)/bench_local_storage_create.o: $(OUTPUT)/bench_local_storage_create.skel.h |
| $(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT)/bpf_hashmap_lookup.skel.h |
| $(OUTPUT)/bench_htab_mem.o: $(OUTPUT)/htab_mem_bench.skel.h |
| $(OUTPUT)/bench_bpf_crypto.o: $(OUTPUT)/crypto_bench.skel.h |
| $(OUTPUT)/bench.o: bench.h testing_helpers.h $(BPFOBJ) |
| $(OUTPUT)/bench: LDLIBS += -lm |
| $(OUTPUT)/bench: $(OUTPUT)/bench.o \ |
| $(TESTING_HELPERS) \ |
| $(TRACE_HELPERS) \ |
| $(CGROUP_HELPERS) \ |
| $(OUTPUT)/bench_count.o \ |
| $(OUTPUT)/bench_rename.o \ |
| $(OUTPUT)/bench_trigger.o \ |
| $(OUTPUT)/bench_ringbufs.o \ |
| $(OUTPUT)/bench_bloom_filter_map.o \ |
| $(OUTPUT)/bench_bpf_loop.o \ |
| $(OUTPUT)/bench_strncmp.o \ |
| $(OUTPUT)/bench_bpf_hashmap_full_update.o \ |
| $(OUTPUT)/bench_local_storage.o \ |
| $(OUTPUT)/bench_local_storage_rcu_tasks_trace.o \ |
| $(OUTPUT)/bench_bpf_hashmap_lookup.o \ |
| $(OUTPUT)/bench_local_storage_create.o \ |
| $(OUTPUT)/bench_htab_mem.o \ |
| $(OUTPUT)/bench_bpf_crypto.o \ |
| # |
| $(call msg,BINARY,,$@) |
| $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@ |
| |
| $(OUTPUT)/veristat.o: $(BPFOBJ) |
| $(OUTPUT)/veristat: $(OUTPUT)/veristat.o |
| $(call msg,BINARY,,$@) |
| $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@ |
| |
| # Linking uprobe_multi can fail due to relocation overflows on mips. |
| $(OUTPUT)/uprobe_multi: CFLAGS += $(if $(filter mips, $(ARCH)),-mxgot) |
| $(OUTPUT)/uprobe_multi: uprobe_multi.c uprobe_multi.ld |
| $(call msg,BINARY,,$@) |
| $(Q)$(CC) $(CFLAGS) -Wl,-T,uprobe_multi.ld -O0 $(LDFLAGS) \ |
| $(filter-out %.ld,$^) $(LDLIBS) -o $@ |
| |
| EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ |
| prog_tests/tests.h map_tests/tests.h verifier/tests.h \ |
| feature bpftool \ |
| $(addprefix $(OUTPUT)/,*.o *.d *.skel.h *.lskel.h *.subskel.h \ |
| no_alu32 cpuv4 bpf_gcc bpf_testmod.ko \ |
| bpf_test_no_cfi.ko \ |
| liburandom_read.so) \ |
| $(OUTPUT)/FEATURE-DUMP.selftests |
| |
| .PHONY: docs docs-clean |
| |
| # Delete partially updated (corrupted) files on error |
| .DELETE_ON_ERROR: |
| |
| DEFAULT_INSTALL_RULE := $(INSTALL_RULE) |
| override define INSTALL_RULE |
| $(DEFAULT_INSTALL_RULE) |
| @for DIR in $(TEST_INST_SUBDIRS); do \ |
| mkdir -p $(INSTALL_PATH)/$$DIR; \ |
| rsync -a $(OUTPUT)/$$DIR/*.bpf.o $(INSTALL_PATH)/$$DIR;\ |
| done |
| endef |
