Lines Matching +full:ext +full:- +full:gen
1 # SPDX-License-Identifier: GPL-2.0
21 HOSTPKG_CONFIG := pkg-config
24 GENFLAGS := -DHAVE_GENHDR
27 BPF_GCC ?= $(shell command -v bpf-gcc;)
30 CFLAGS += -g -O0 -rdynamic -Wall -Werror $(GENFLAGS) $(SAN_CFLAGS) \
31 -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \
32 -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT)
34 LDLIBS += -lelf -lz -lrt -lpthread
38 CFLAGS += -Wno-unused-command-line-argument
42 ifneq ($(shell $(CLANG) --target=bpf -mcpu=help 2>&1 | grep 'v4'),)
52 test_progs-no_alu32
55 # Also test bpf-gcc, if present
57 TEST_GEN_PROGS += test_progs-bpf_gcc
63 progs/btf_dump_test_case_bitfields.c-bpf_gcc-CFLAGS := -Wno-error
64 progs/btf_dump_test_case_namespacing.c-bpf_gcc-CFLAGS := -Wno-error
65 progs/btf_dump_test_case_packing.c-bpf_gcc-CFLAGS := -Wno-error
66 progs/btf_dump_test_case_padding.c-bpf_gcc-CFLAGS := -Wno-error
67 progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLAGS := -Wno-error
71 TEST_GEN_PROGS += test_progs-cpuv4
116 TEST_GEN_FILES += liburandom_read.so urandom_read sign-file
119 # $1 - generic step name (e.g., CC, LINK, etc);
120 # $2 - optional "flavor" specifier; if provided, will be emitted as [flavor];
121 # $3 - target (assumed to be file); only file name will be emitted;
122 # $4 - optional extra arg, emitted as-is, if provided.
128 msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))";
129 MAKEFLAGS += --no-print-directory
137 $(Q)$(RM) -r $(TEST_GEN_PROGS)
138 $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED)
139 $(Q)$(RM) -r $(TEST_GEN_FILES)
140 $(Q)$(RM) -r $(EXTRA_CLEAN)
141 $(Q)$(MAKE) -C bpf_testmod clean
142 $(Q)$(MAKE) docs-clean
153 HOST_SCRATCH_DIR := $(OUTPUT)/host-tools
168 /boot/vmlinux-$(shell uname -r)
182 # sort removes libbpf duplicates when not cross-building
189 $(Q)mkdir -p $@
193 $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@
197 $(Q)$(LINK.c) $^ $(LDLIBS) -o $@
203 LLD := $(shell command -v $(LD))
206 # Filter out -static for liburandom_read.so and its dependent targets so that static builds
207 # do not fail. Static builds leave urandom_read relying on system-wide shared libraries.
210 $(Q)$(CLANG) $(filter-out -static,$(CFLAGS) $(LDFLAGS)) \
211 $^ $(filter-out -static,$(LDLIBS)) \
212 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
213 -fPIC -shared -o $@
217 $(Q)$(CLANG) $(filter-out -static,$(CFLAGS) $(LDFLAGS)) $(filter %.c,$^) \
218 -lurandom_read $(filter-out -static,$(LDLIBS)) -L$(OUTPUT) \
219 -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
220 -Wl,-rpath=. -o $@
222 $(OUTPUT)/sign-file: ../../../../scripts/sign-file.c
223 $(call msg,SIGN-FILE,,$@)
224 $(Q)$(CC) $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null) \
225 $< -o $@ \
226 $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
230 $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation
231 $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_testmod
245 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \
250 EXTRA_CFLAGS='-g -O0 $(SAN_CFLAGS)' \
286 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
288 EXTRA_CFLAGS='-g -O0' \
292 prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin
297 $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
299 EXTRA_CFLAGS='-g -O0' \
303 prefix= DESTDIR=$(SCRATCH_DIR)/ install-bin
309 $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras) \
310 -f Makefile.docs \
313 docs-clean:
315 -f Makefile.docs \
321 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
322 EXTRA_CFLAGS='-g -O0 $(SAN_CFLAGS)' \
330 $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \
331 EXTRA_CFLAGS='-g -O0' ARCH= CROSS_COMPILE= \
339 $(call msg,GEN,,$@)
353 $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \
359 # '--target=bpf'. This fixes "missing" files on some architectures/distros,
362 # Use '-idirafter': Don't interfere with include mechanics except where the
365 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \
366 | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
367 $(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__…
368 $(shell $(1) $(2) -dM -E - </dev/null | grep '__loongarch_grlen ' | awk '{printf("-D__BITS_PER_LONG…
372 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
374 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
377 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%))
381 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \
382 -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \
383 -I$(abspath $(OUTPUT)/../usr/include)
386 -Wno-compare-distinct-pointer-types
388 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
389 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
395 # $1 - input .c file
396 # $2 - output .o file
397 # $3 - CFLAGS
398 # $4 - binary name
400 $(call msg,CLNG-BPF,$4,$2)
401 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v3 -o $2
405 $(call msg,CLNG-BPF,$4,$2)
406 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v2 -o $2
408 # Similar to CLANG_BPF_BUILD_RULE, but with cpu-v4
410 $(call msg,CLNG-BPF,$4,$2)
411 $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v4 -o $2
415 $(call msg,GCC-BPF,$4,$2)
416 $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_ACCESS_INDEX -Wno-attributes -O2 -c $1 -o $2
436 test_static_linked.skel.h-deps := test_static_linked1.bpf.o test_static_linked2.bpf.o
437 linked_funcs.skel.h-deps := linked_funcs1.bpf.o linked_funcs2.bpf.o
438 linked_vars.skel.h-deps := linked_vars1.bpf.o linked_vars2.bpf.o
439 linked_maps.skel.h-deps := linked_maps1.bpf.o linked_maps2.bpf.o
441 # but that's created as a side-effect of the skel.h generation.
442 test_subskeleton.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o test_subskel…
443 test_subskeleton_lib.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o
444 test_usdt.skel.h-deps := test_usdt.bpf.o test_usdt_multispec.bpf.o
445 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf.o
446 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata.bpf.o
447 xdp_features.skel.h-deps := xdp_features.bpf.o
449 LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(foreach skel,$(LINKED_SKELS),$($(skel)-deps)))
454 # $1 - test runner base binary name (e.g., test_progs)
455 # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc)
459 TRUNNER_BINARY := $1$(if $2,-)$2
469 $$(filter-out $(SKEL_BLACKLIST) $(LINKED_BPF_SRCS),\
482 # $1 - test runner base binary name (e.g., test_progs)
483 # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc)
486 ifeq ($($(TRUNNER_OUTPUT)-dir),)
487 $(TRUNNER_OUTPUT)-dir := y
490 $(Q)mkdir -p $$@
495 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),)
496 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y
506 $$($$<-CFLAGS) \
507 $$($$<-$2-CFLAGS),$(TRUNNER_BINARY))
510 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
511 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$<
512 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o)
513 $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o)
515 $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$@
516 …$(Q)$$(BPFTOOL) gen subskeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$(@:.skel.h=.…
519 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
520 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked1.o) $$<
521 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked2.o) $$(<:.o=.llinked1.o)
522 $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked3.o) $$(<:.o=.llinked2.o)
524 $(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.llinked3.o) name $$(notdir $$(<:.bpf.o=_lskel)) > $$@
527 $$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.bpf.o))
528 …$(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps…
529 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked1.o)
530 $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked3.o) $$(@:.skel.h=.linked2.o)
532 $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
533 $(Q)$$(BPFTOOL) gen skeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$@
534 …$(Q)$$(BPFTOOL) gen subskeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$(@:.sk…
538 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
539 $(TRUNNER_TESTS_DIR)-tests-hdr := y
541 $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@)
543 sed -n -E 's/^void (serial_)?test_([a-zA-Z0-9_]+)\((void)?\).*/DEFINE_TEST(\2)/p' \
558 $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
559 $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
566 $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
567 $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
569 # non-flavored in-srctree builds receive special treatment, in particular, we
571 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
573 $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
574 $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/
581 | $(TRUNNER_BINARY)-extras
583 $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@
584 $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_OUTPUT)/btf_data.bpf.o $$@
585 $(Q)ln -sf $(if $2,..,.)/tools/build/bpftool/$(USE_BOOTSTRAP)bpftool \
611 $(OUTPUT)/sign-file \
618 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS
621 # Define test_progs-no_alu32 test runner.
626 # Define test_progs-cpuv4 test runner.
633 # Define test_progs BPF-GCC-flavored test runner.
657 ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \
662 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
666 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
670 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
674 $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
679 $(Q)$(CXX) $(CFLAGS) $(filter %.a %.o %.cpp,$^) $(LDLIBS) -o $@
684 $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %.c,$^) $(LDLIBS) -o $@
699 $(OUTPUT)/bench: LDLIBS += -lm
719 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
724 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
727 $(OUTPUT)/uprobe_multi: CFLAGS += $(if $(filter mips, $(ARCH)),-mxgot)
730 $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
739 .PHONY: docs docs-clean
748 mkdir -p $(INSTALL_PATH)/$$DIR; \
749 rsync -a $(OUTPUT)/$$DIR/*.bpf.o $(INSTALL_PATH)/$$DIR;\