Lines Matching +full:ext +full:- +full:gen
1 # SPDX-License-Identifier: GPL-2.0
22 PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config
25 GENFLAGS := -DHAVE_GENHDR
28 BPF_GCC ?= $(shell command -v bpf-gcc;)
32 OPT_FLAGS ?= $(if $(RELEASE),-O2,-O0)
34 LIBELF_CFLAGS := $(shell $(PKG_CONFIG) libelf --cflags 2>/dev/null)
35 LIBELF_LIBS := $(shell $(PKG_CONFIG) libelf --libs 2>/dev/null || echo -lelf)
44 CFLAGS += -g $(OPT_FLAGS) -rdynamic -std=gnu11 \
45 -Wall -Werror -fno-omit-frame-pointer \
47 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \
48 -I$(TOOLSINCDIR) -I$(TOOLSARCHINCDIR) -I$(APIDIR) -I$(OUTPUT)
50 LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread
52 PCAP_CFLAGS := $(shell $(PKG_CONFIG) --cflags libpcap 2>/dev/null && echo "-DTRAFFIC_MONITOR=1")
53 PCAP_LIBS := $(shell $(PKG_CONFIG) --libs libpcap 2>/dev/null)
58 jit_disasm_helpers.c-CFLAGS = $(LLVM_CFLAGS)
62 CFLAGS += -Wno-unused-command-line-argument
66 ifneq ($(shell $(CLANG) --target=bpf -mcpu=help 2>&1 | grep 'v4'),)
74 test_progs-no_alu32
77 # Also test bpf-gcc, if present
79 TEST_GEN_PROGS += test_progs-bpf_gcc
85 progs/btf_dump_test_case_bitfields.c-bpf_gcc-CFLAGS := -Wno-error
86 progs/btf_dump_test_case_namespacing.c-bpf_gcc-CFLAGS := -Wno-error
87 progs/btf_dump_test_case_packing.c-bpf_gcc-CFLAGS := -Wno-error
88 progs/btf_dump_test_case_padding.c-bpf_gcc-CFLAGS := -Wno-error
89 progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLAGS := -Wno-error
94 TEST_GEN_PROGS += test_progs-cpuv4
143 TEST_GEN_FILES += liburandom_read.so urandom_read sign-file uprobe_multi
153 $(Q)$(RM) -r $(TEST_GEN_PROGS)
154 $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED)
155 $(Q)$(RM) -r $(TEST_GEN_FILES)
156 $(Q)$(RM) -r $(TEST_KMODS)
157 $(Q)$(RM) -r $(EXTRA_CLEAN)
158 $(Q)$(MAKE) -C test_kmods clean
159 $(Q)$(MAKE) docs-clean
164 NON_CHECK_FEAT_TARGETS := clean docs-clean
165 CHECK_FEAT := $(filter-out $(NON_CHECK_FEAT_TARGETS),$(or $(MAKECMDGOALS), "none"))
182 ifeq ($(feature-llvm),1)
183 LLVM_CFLAGS += -DHAVE_LLVM_SUPPORT
184 LLVM_CONFIG_LIB_COMPONENTS := mcdisassembler all-targets
185 # both llvm-config and lib.mk add -D_GNU_SOURCE, which ends up as conflict
186 LLVM_CFLAGS += $(filter-out -D_GNU_SOURCE,$(shell $(LLVM_CONFIG) --cflags))
187 LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --link-static --libs $(LLVM_CONFIG_LIB_COMPONENTS))
188 LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --link-static --system-libs $(LLVM_CONFIG_LIB_COMPONENTS))
189 LLVM_LDLIBS += -lstdc++
190 LLVM_LDFLAGS += $(shell $(LLVM_CONFIG) --ldflags)
199 HOST_SCRATCH_DIR := $(OUTPUT)/host-tools
214 /boot/vmlinux-$(shell uname -r)
227 # sort removes libbpf duplicates when not cross-building
234 $(Q)mkdir -p $@
238 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@
242 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@
248 LLD := $(shell command -v $(LD))
251 # Filter out -static for liburandom_read.so and its dependent targets so that static builds
252 # do not fail. Static builds leave urandom_read relying on system-wide shared libraries.
256 $(filter-out -static,$(CFLAGS) $(LDFLAGS)) \
257 $(filter %.c,$^) $(filter-out -static,$(LDLIBS)) \
258 -Wno-unused-command-line-argument \
259 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
260 -Wl,--version-script=liburandom_read.map \
261 -fPIC -shared -o $@
266 $(filter-out -static,$(CFLAGS) $(LDFLAGS)) $(filter %.c,$^) \
267 -Wno-unused-command-line-argument \
268 -lurandom_read $(filter-out -static,$(LDLIBS)) -L$(OUTPUT) \
269 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
270 -Wl,-rpath=. -o $@
272 $(OUTPUT)/sign-file: ../../../../scripts/sign-file.c
273 $(call msg,SIGN-FILE,,$@)
274 $(Q)$(CC) $(shell $(PKG_CONFIG) --cflags libcrypto 2> /dev/null) \
275 $< -o $@ \
276 $(shell $(PKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
283 $(Q)$(RM) test_kmods/*.ko test_kmods/*.mod.o # force re-compilation
284 $(Q)$(MAKE) $(submake_extras) -C test_kmods \
304 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \
310 EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS) $(EXTRA_CFLAGS)' \
341 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
343 EXTRA_CFLAGS='-g $(OPT_FLAGS) $(EXTRA_CFLAGS)' \
348 prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin
353 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
355 EXTRA_CFLAGS='-g $(OPT_FLAGS) $(EXTRA_CFLAGS)' \
360 prefix= DESTDIR=$(SCRATCH_DIR)/ install-bin
366 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \
367 -f Makefile.docs \
370 docs-clean:
372 -f Makefile.docs \
378 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
379 EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS) $(EXTRA_CFLAGS)' \
387 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \
389 EXTRA_CFLAGS='-g $(OPT_FLAGS) $(EXTRA_CFLAGS)' \
397 # the previous version. This helps to avoid unnecessary re-builds of
401 $(call msg,GEN,,$@)
403 $(Q)cmp -s $(INCLUDE_DIR)/.vmlinux.h.tmp $@ || mv $(INCLUDE_DIR)/.vmlinux.h.tmp $@
416 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \
422 # '--target=bpf'. This fixes "missing" files on some architectures/distros,
425 # Use '-idirafter': Don't interfere with include mechanics except where the
428 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \
429 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
430 $(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__…
431 $(shell $(1) $(2) -dM -E - </dev/null | grep '__loongarch_grlen ' | awk '{printf("-D__BITS_PER_LONG…
432 $(shell $(1) $(2) -dM -E - </dev/null | grep -E 'MIPS(EL|EB)|_MIPS_SZ(PTR|LONG) |_MIPS_SIM |_ABI(O3…
436 IS_LITTLE_ENDIAN := $(shell $(CC) -dM -E - </dev/null | \
438 MENDIAN:=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
439 BPF_TARGET_ENDIAN:=$(if $(IS_LITTLE_ENDIAN),--target=bpfel,--target=bpfeb)
442 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%))
446 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \
447 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \
448 -I$(abspath $(OUTPUT)/../usr/include) \
449 -std=gnu11 \
450 -fno-strict-aliasing \
451 -Wno-compare-distinct-pointer-types
452 # TODO: enable me -Wsign-compare
456 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
457 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
463 # $1 - input .c file
464 # $2 - output .o file
465 # $3 - CFLAGS
466 # $4 - binary name
468 $(call msg,CLNG-BPF,$4,$2)
469 $(Q)$(CLANG) $3 -O2 $(BPF_TARGET_ENDIAN) -c $1 -mcpu=v3 -o $2
473 $(call msg,CLNG-BPF,$4,$2)
474 $(Q)$(CLANG) $3 -O2 $(BPF_TARGET_ENDIAN) -c $1 -mcpu=v2 -o $2
476 # Similar to CLANG_BPF_BUILD_RULE, but with cpu-v4
478 $(call msg,CLNG-BPF,$4,$2)
479 $(Q)$(CLANG) $3 -O2 $(BPF_TARGET_ENDIAN) -c $1 -mcpu=v4 -o $2
483 $(call msg,GCC-BPF,$4,$2)
484 $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_ACCESS_INDEX -Wno-attributes -O2 -c $1 -o $2
504 test_static_linked.skel.h-deps := test_static_linked1.bpf.o test_static_linked2.bpf.o
505 linked_funcs.skel.h-deps := linked_funcs1.bpf.o linked_funcs2.bpf.o
506 linked_vars.skel.h-deps := linked_vars1.bpf.o linked_vars2.bpf.o
507 linked_maps.skel.h-deps := linked_maps1.bpf.o linked_maps2.bpf.o
509 # but that's created as a side-effect of the skel.h generation.
510 test_subskeleton.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o test_subskel…
511 test_subskeleton_lib.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o
512 test_usdt.skel.h-deps := test_usdt.bpf.o test_usdt_multispec.bpf.o
513 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf.o
514 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata.bpf.o
515 xdp_features.skel.h-deps := xdp_features.bpf.o
517 LINKED_BPF_OBJS := $(foreach skel,$(LINKED_SKELS),$($(skel)-deps))
529 # $1 - test runner base binary name (e.g., test_progs)
530 # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc)
534 TRUNNER_BINARY := $1$(if $2,-)$2
544 $$(filter-out $(SKEL_BLACKLIST) $(LINKED_BPF_SRCS),\
557 # $1 - test runner base binary name (e.g., test_progs)
558 # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc)
561 ifeq ($($(TRUNNER_OUTPUT)-dir),)
562 $(TRUNNER_OUTPUT)-dir := y
565 $(Q)mkdir -p $$@
570 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),)
571 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y
580 $$($$<-CFLAGS) \
581 $$($$<-$2-CFLAGS),$(TRUNNER_BINARY))
584 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
585 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$<
586 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o)
587 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o)
589 $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$@
590 …$(Q)$$(BPFTOOL) gen subskeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$(@:.skel.h=.…
591 $(Q)rm -f $$(<:.o=.linked1.o) $$(<:.o=.linked2.o) $$(<:.o=.linked3.o)
594 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
595 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked1.o) $$<
596 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked2.o) $$(<:.o=.llinked1.o)
597 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked3.o) $$(<:.o=.llinked2.o)
599 $(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.llinked3.o) name $$(notdir $$(<:.bpf.o=_lskel)) > $$@
600 $(Q)rm -f $$(<:.o=.llinked1.o) $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o)
604 # .SECONDEXPANSION here allows to correctly expand %-deps variables as prerequisites
606 $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_OUTPUT)/%: $$$$(%-deps) $(BPFTOOL) | $(TRUNNER_OUTPUT)
607 $$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.bpf.o))
608 …$(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps…
609 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked1.o)
610 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked3.o) $$(@:.skel.h=.linked2.o)
612 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
613 $(Q)$$(BPFTOOL) gen skeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$@
614 …$(Q)$$(BPFTOOL) gen subskeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$(@:.sk…
615 $(Q)rm -f $$(@:.skel.h=.linked1.o) $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o)
628 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
629 $(TRUNNER_TESTS_DIR)-tests-hdr := y
631 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@)
633 sed -n -E 's/^void (serial_)?test_([a-zA-Z0-9_]+)\((void)?\).*/DEFINE_TEST(\2)/p' \
643 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
644 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -MMD -MT $$@ -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
654 ifeq ($(filter clean docs-clean,$(MAKECMDGOALS)),)
660 $(eval $(TRUNNER_OUTPUT)/$(N).o: CFLAGS += $($(N).c-CFLAGS)))
667 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
668 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
670 # non-flavored in-srctree builds receive special treatment, in particular, we
672 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
674 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
675 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/
688 | $(TRUNNER_BINARY)-extras
690 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) $$(LDFLAGS) -o $$@
691 $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_OUTPUT)/btf_data.bpf.o $$@
692 $(Q)ln -sf $(if $2,..,.)/tools/build/bpftool/$(USE_BOOTSTRAP)bpftool \
721 $(OUTPUT)/sign-file \
729 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS
732 # Define test_progs-no_alu32 test runner.
737 # Define test_progs-cpuv4 test runner.
740 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS
744 # Define test_progs BPF-GCC-flavored test runner.
768 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \
773 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
779 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
783 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
787 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
791 CXXFLAGS := $(subst -D_GNU_SOURCE=,,$(CXXFLAGS))
792 CXXFLAGS := $(subst -std=gnu11,-std=gnu++11,$(CXXFLAGS))
795 $(Q)$(CXX) $(CXXFLAGS) $(filter %.a %.o %.cpp,$^) $(LDLIBS) -o $@
800 $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %.c,$^) $(LDLIBS) -o $@
816 $(OUTPUT)/bench: LDLIBS += -lm
837 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
842 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
845 $(OUTPUT)/uprobe_multi: CFLAGS += $(if $(filter mips, $(ARCH)),-mxgot)
848 $(Q)$(CC) $(CFLAGS) -Wl,-T,uprobe_multi.ld -O0 $(LDFLAGS) \
849 $(filter-out %.ld,$^) $(LDLIBS) -o $@
857 $(OUTPUT)/FEATURE-DUMP.selftests
859 .PHONY: docs docs-clean
868 mkdir -p $(INSTALL_PATH)/$$DIR; \
869 rsync -a $(OUTPUT)/$$DIR/*.bpf.o $(INSTALL_PATH)/$$DIR;\