1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 2618e165bSHendrik Brueckner 3d498f871SMickaël SalaünLIBDIR := ../../../lib 4e8f1f34aSZi Shen LimBPFDIR := $(LIBDIR)/bpf 502ea80b1SDaniel BorkmannAPIDIR := ../../../include/uapi 602ea80b1SDaniel BorkmannGENDIR := ../../../../include/generated 702ea80b1SDaniel BorkmannGENHDR := $(GENDIR)/autoconf.h 8d498f871SMickaël Salaün 902ea80b1SDaniel Borkmannifneq ($(wildcard $(GENHDR)),) 1002ea80b1SDaniel Borkmann GENFLAGS := -DHAVE_GENHDR 1102ea80b1SDaniel Borkmannendif 1202ea80b1SDaniel Borkmann 13720f228eSDaniel BorkmannCFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include 1419c832edSDavid MillerLDLIBS += -lcap -lelf -lrt 155aa5bd14SDaniel Borkmann 1618b3ad90SDavid S. MillerTEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ 1737f1ba09SRoman Gushchin test_align test_verifier_log test_dev_cgroup 186882804cSAlexei Starovoitov 1918f3d6beSYonghong SongTEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test_obj_id.o \ 2022c88526SDaniel Borkmann test_pkt_md_access.o test_xdp_redirect.o test_xdp_meta.o sockmap_parse_prog.o \ 2137f1ba09SRoman Gushchin sockmap_verdict_prog.o dev_cgroup.o 225aa5bd14SDaniel Borkmann 2322c88526SDaniel BorkmannTEST_PROGS := test_kmod.sh test_xdp_redirect.sh test_xdp_meta.sh 245aa5bd14SDaniel Borkmann 25e8f1f34aSZi Shen Liminclude ../lib.mk 261da8ac7cSAlexei Starovoitov 279d1f1594SRoman GushchinBPFOBJ := $(OUTPUT)/libbpf.a $(OUTPUT)/cgroup_helpers.c 28e8f1f34aSZi Shen Lim 29e8f1f34aSZi Shen Lim$(TEST_GEN_PROGS): $(BPFOBJ) 30e8f1f34aSZi Shen Lim 31e8f1f34aSZi Shen Lim.PHONY: force 32d498f871SMickaël Salaün 33d498f871SMickaël Salaün# force a rebuild of BPFOBJ when its dependencies are updated 34d498f871SMickaël Salaünforce: 35d498f871SMickaël Salaün 36d498f871SMickaël Salaün$(BPFOBJ): force 37e8f1f34aSZi Shen Lim $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ 386882804cSAlexei Starovoitov 396882804cSAlexei StarovoitovCLANG ?= clang 4022c88526SDaniel BorkmannLLC ?= llc 4122c88526SDaniel Borkmann 42*cd95a892SQuentin MonnetPROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1) 4322c88526SDaniel Borkmann 4422c88526SDaniel Borkmann# Let newer LLVM versions transparently probe the kernel for availability 4522c88526SDaniel Borkmann# of full BPF instruction set. 4622c88526SDaniel Borkmannifeq ($(PROBE),) 4722c88526SDaniel Borkmann CPU ?= probe 4822c88526SDaniel Borkmannelse 4922c88526SDaniel Borkmann CPU ?= generic 5022c88526SDaniel Borkmannendif 516882804cSAlexei Starovoitov 526882804cSAlexei Starovoitov%.o: %.c 530a5539f6SDavid S. Miller $(CLANG) -I. -I./include/uapi -I../../../include/uapi \ 541c2dd16aSAlexei Starovoitov -Wno-compare-distinct-pointer-types \ 5522c88526SDaniel Borkmann -O2 -target bpf -emit-llvm -c $< -o - | \ 5622c88526SDaniel Borkmann $(LLC) -march=bpf -mcpu=$(CPU) -filetype=obj -o $@ 57