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TOMOYO Linux Cross Reference
Linux/tools/testing/selftests/bpf/Makefile

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /tools/testing/selftests/bpf/Makefile (Version linux-6.12-rc7) and /tools/testing/selftests/bpf/Makefile (Version linux-6.11.7)


  1 # SPDX-License-Identifier: GPL-2.0                  1 # SPDX-License-Identifier: GPL-2.0
  2 include ../../../build/Build.include                2 include ../../../build/Build.include
  3 include ../../../scripts/Makefile.arch              3 include ../../../scripts/Makefile.arch
  4 include ../../../scripts/Makefile.include           4 include ../../../scripts/Makefile.include
  5                                                     5 
  6 CXX ?= $(CROSS_COMPILE)g++                          6 CXX ?= $(CROSS_COMPILE)g++
  7                                                     7 
  8 CURDIR := $(abspath .)                              8 CURDIR := $(abspath .)
  9 TOOLSDIR := $(abspath ../../..)                     9 TOOLSDIR := $(abspath ../../..)
 10 LIBDIR := $(TOOLSDIR)/lib                          10 LIBDIR := $(TOOLSDIR)/lib
 11 BPFDIR := $(LIBDIR)/bpf                            11 BPFDIR := $(LIBDIR)/bpf
 12 TOOLSINCDIR := $(TOOLSDIR)/include                 12 TOOLSINCDIR := $(TOOLSDIR)/include
 13 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool              13 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool
 14 APIDIR := $(TOOLSINCDIR)/uapi                      14 APIDIR := $(TOOLSINCDIR)/uapi
 15 ifneq ($(O),)                                      15 ifneq ($(O),)
 16 GENDIR := $(O)/include/generated                   16 GENDIR := $(O)/include/generated
 17 else                                               17 else
 18 GENDIR := $(abspath ../../../../include/genera     18 GENDIR := $(abspath ../../../../include/generated)
 19 endif                                              19 endif
 20 GENHDR := $(GENDIR)/autoconf.h                     20 GENHDR := $(GENDIR)/autoconf.h
 21 PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config           21 PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config
 22                                                    22 
 23 ifneq ($(wildcard $(GENHDR)),)                     23 ifneq ($(wildcard $(GENHDR)),)
 24   GENFLAGS := -DHAVE_GENHDR                        24   GENFLAGS := -DHAVE_GENHDR
 25 endif                                              25 endif
 26                                                    26 
 27 BPF_GCC         ?= $(shell command -v bpf-gcc;     27 BPF_GCC         ?= $(shell command -v bpf-gcc;)
 28 SAN_CFLAGS      ?=                                 28 SAN_CFLAGS      ?=
 29 SAN_LDFLAGS     ?= $(SAN_CFLAGS)                   29 SAN_LDFLAGS     ?= $(SAN_CFLAGS)
 30 RELEASE         ?=                                 30 RELEASE         ?=
 31 OPT_FLAGS       ?= $(if $(RELEASE),-O2,-O0)        31 OPT_FLAGS       ?= $(if $(RELEASE),-O2,-O0)
 32                                                    32 
 33 LIBELF_CFLAGS   := $(shell $(PKG_CONFIG) libel     33 LIBELF_CFLAGS   := $(shell $(PKG_CONFIG) libelf --cflags 2>/dev/null)
 34 LIBELF_LIBS     := $(shell $(PKG_CONFIG) libel     34 LIBELF_LIBS     := $(shell $(PKG_CONFIG) libelf --libs 2>/dev/null || echo -lelf)
 35                                                    35 
 36 ifeq ($(srctree),)                             << 
 37 srctree := $(patsubst %/,%,$(dir $(CURDIR)))   << 
 38 srctree := $(patsubst %/,%,$(dir $(srctree)))  << 
 39 srctree := $(patsubst %/,%,$(dir $(srctree)))  << 
 40 srctree := $(patsubst %/,%,$(dir $(srctree)))  << 
 41 endif                                          << 
 42                                                << 
 43 CFLAGS += -g $(OPT_FLAGS) -rdynamic                36 CFLAGS += -g $(OPT_FLAGS) -rdynamic                                     \
 44           -Wall -Werror -fno-omit-frame-pointe     37           -Wall -Werror -fno-omit-frame-pointer                         \
 45           $(GENFLAGS) $(SAN_CFLAGS) $(LIBELF_C     38           $(GENFLAGS) $(SAN_CFLAGS) $(LIBELF_CFLAGS)                    \
 46           -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GEN     39           -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR)          \
 47           -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUT     40           -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT)
 48 LDFLAGS += $(SAN_LDFLAGS)                          41 LDFLAGS += $(SAN_LDFLAGS)
 49 LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread        42 LDLIBS += $(LIBELF_LIBS) -lz -lrt -lpthread
 50                                                    43 
 51 PCAP_CFLAGS     := $(shell $(PKG_CONFIG) --cfl << 
 52 PCAP_LIBS       := $(shell $(PKG_CONFIG) --lib << 
 53 LDLIBS += $(PCAP_LIBS)                         << 
 54 CFLAGS += $(PCAP_CFLAGS)                       << 
 55                                                << 
 56 # The following tests perform type punning and     44 # The following tests perform type punning and they may break strict
 57 # aliasing rules, which are exploited by both      45 # aliasing rules, which are exploited by both GCC and clang by default
 58 # while optimizing.  This can lead to broken p     46 # while optimizing.  This can lead to broken programs.
 59 progs/bind4_prog.c-CFLAGS := -fno-strict-alias     47 progs/bind4_prog.c-CFLAGS := -fno-strict-aliasing
 60 progs/bind6_prog.c-CFLAGS := -fno-strict-alias     48 progs/bind6_prog.c-CFLAGS := -fno-strict-aliasing
 61 progs/dynptr_fail.c-CFLAGS := -fno-strict-alia     49 progs/dynptr_fail.c-CFLAGS := -fno-strict-aliasing
 62 progs/linked_list_fail.c-CFLAGS := -fno-strict     50 progs/linked_list_fail.c-CFLAGS := -fno-strict-aliasing
 63 progs/map_kptr_fail.c-CFLAGS := -fno-strict-al     51 progs/map_kptr_fail.c-CFLAGS := -fno-strict-aliasing
 64 progs/syscall.c-CFLAGS := -fno-strict-aliasing     52 progs/syscall.c-CFLAGS := -fno-strict-aliasing
 65 progs/test_pkt_md_access.c-CFLAGS := -fno-stri     53 progs/test_pkt_md_access.c-CFLAGS := -fno-strict-aliasing
 66 progs/test_sk_lookup.c-CFLAGS := -fno-strict-a     54 progs/test_sk_lookup.c-CFLAGS := -fno-strict-aliasing
 67 progs/timer_crash.c-CFLAGS := -fno-strict-alia     55 progs/timer_crash.c-CFLAGS := -fno-strict-aliasing
 68 progs/test_global_func9.c-CFLAGS := -fno-stric     56 progs/test_global_func9.c-CFLAGS := -fno-strict-aliasing
 69 progs/verifier_nocsr.c-CFLAGS := -fno-strict-a << 
 70                                                << 
 71 # Some utility functions use LLVM libraries    << 
 72 jit_disasm_helpers.c-CFLAGS = $(LLVM_CFLAGS)   << 
 73                                                    57 
 74 ifneq ($(LLVM),)                                   58 ifneq ($(LLVM),)
 75 # Silence some warnings when compiled with cla     59 # Silence some warnings when compiled with clang
 76 CFLAGS += -Wno-unused-command-line-argument        60 CFLAGS += -Wno-unused-command-line-argument
 77 endif                                              61 endif
 78                                                    62 
 79 # Check whether bpf cpu=v4 is supported or not     63 # Check whether bpf cpu=v4 is supported or not by clang
 80 ifneq ($(shell $(CLANG) --target=bpf -mcpu=hel     64 ifneq ($(shell $(CLANG) --target=bpf -mcpu=help 2>&1 | grep 'v4'),)
 81 CLANG_CPUV4 := 1                                   65 CLANG_CPUV4 := 1
 82 endif                                              66 endif
 83                                                    67 
 84 # Order correspond to 'make run_tests' order       68 # Order correspond to 'make run_tests' order
 85 TEST_GEN_PROGS = test_verifier test_tag test_m     69 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
 86         test_sock test_sockmap \               !!  70         test_dev_cgroup \
                                                   >>  71         test_sock test_sockmap get_cgroup_id_user \
                                                   >>  72         test_cgroup_storage \
 87         test_tcpnotify_user test_sysctl \          73         test_tcpnotify_user test_sysctl \
 88         test_progs-no_alu32                        74         test_progs-no_alu32
 89 TEST_INST_SUBDIRS := no_alu32                      75 TEST_INST_SUBDIRS := no_alu32
 90                                                    76 
 91 # Also test bpf-gcc, if present                    77 # Also test bpf-gcc, if present
 92 ifneq ($(BPF_GCC),)                                78 ifneq ($(BPF_GCC),)
 93 TEST_GEN_PROGS += test_progs-bpf_gcc               79 TEST_GEN_PROGS += test_progs-bpf_gcc
 94 TEST_INST_SUBDIRS += bpf_gcc                       80 TEST_INST_SUBDIRS += bpf_gcc
 95                                                    81 
 96 # The following tests contain C code that, alt     82 # The following tests contain C code that, although technically legal,
 97 # triggers GCC warnings that cannot be disable     83 # triggers GCC warnings that cannot be disabled: declaration of
 98 # anonymous struct types in function parameter     84 # anonymous struct types in function parameter lists.
 99 progs/btf_dump_test_case_bitfields.c-bpf_gcc-C     85 progs/btf_dump_test_case_bitfields.c-bpf_gcc-CFLAGS := -Wno-error
100 progs/btf_dump_test_case_namespacing.c-bpf_gcc     86 progs/btf_dump_test_case_namespacing.c-bpf_gcc-CFLAGS := -Wno-error
101 progs/btf_dump_test_case_packing.c-bpf_gcc-CFL     87 progs/btf_dump_test_case_packing.c-bpf_gcc-CFLAGS := -Wno-error
102 progs/btf_dump_test_case_padding.c-bpf_gcc-CFL     88 progs/btf_dump_test_case_padding.c-bpf_gcc-CFLAGS := -Wno-error
103 progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLA     89 progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLAGS := -Wno-error
104                                                    90 
105 # The following tests do type-punning, via the     91 # The following tests do type-punning, via the __imm_insn macro, from
106 # `struct bpf_insn' to long and then uses the      92 # `struct bpf_insn' to long and then uses the value.  This triggers an
107 # "is used uninitialized" warning in GCC due t     93 # "is used uninitialized" warning in GCC due to strict-aliasing
108 # rules.                                           94 # rules.
109 progs/verifier_ref_tracking.c-bpf_gcc-CFLAGS :     95 progs/verifier_ref_tracking.c-bpf_gcc-CFLAGS := -fno-strict-aliasing
110 progs/verifier_unpriv.c-bpf_gcc-CFLAGS := -fno     96 progs/verifier_unpriv.c-bpf_gcc-CFLAGS := -fno-strict-aliasing
111 progs/verifier_cgroup_storage.c-bpf_gcc-CFLAGS     97 progs/verifier_cgroup_storage.c-bpf_gcc-CFLAGS := -fno-strict-aliasing
112 progs/verifier_ld_ind.c-bpf_gcc-CFLAGS := -fno     98 progs/verifier_ld_ind.c-bpf_gcc-CFLAGS := -fno-strict-aliasing
113 progs/verifier_map_ret_val.c-bpf_gcc-CFLAGS :=     99 progs/verifier_map_ret_val.c-bpf_gcc-CFLAGS := -fno-strict-aliasing
114 progs/verifier_spill_fill.c-bpf_gcc-CFLAGS :=     100 progs/verifier_spill_fill.c-bpf_gcc-CFLAGS := -fno-strict-aliasing
115 progs/verifier_subprog_precision.c-bpf_gcc-CFL    101 progs/verifier_subprog_precision.c-bpf_gcc-CFLAGS := -fno-strict-aliasing
116 progs/verifier_uninit.c-bpf_gcc-CFLAGS := -fno    102 progs/verifier_uninit.c-bpf_gcc-CFLAGS := -fno-strict-aliasing
117 endif                                             103 endif
118                                                   104 
119 ifneq ($(CLANG_CPUV4),)                           105 ifneq ($(CLANG_CPUV4),)
120 TEST_GEN_PROGS += test_progs-cpuv4                106 TEST_GEN_PROGS += test_progs-cpuv4
121 TEST_INST_SUBDIRS += cpuv4                        107 TEST_INST_SUBDIRS += cpuv4
122 endif                                             108 endif
123                                                   109 
124 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_    110 TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_tc_edt.bpf.o
125 TEST_FILES = xsk_prereqs.sh $(wildcard progs/b    111 TEST_FILES = xsk_prereqs.sh $(wildcard progs/btf_dump_test_case_*.c)
126                                                   112 
127 # Order correspond to 'make run_tests' order      113 # Order correspond to 'make run_tests' order
128 TEST_PROGS := test_kmod.sh \                      114 TEST_PROGS := test_kmod.sh \
129         test_xdp_redirect.sh \                    115         test_xdp_redirect.sh \
130         test_xdp_redirect_multi.sh \              116         test_xdp_redirect_multi.sh \
131         test_xdp_meta.sh \                        117         test_xdp_meta.sh \
                                                   >> 118         test_xdp_veth.sh \
132         test_tunnel.sh \                          119         test_tunnel.sh \
133         test_lwt_seg6local.sh \                   120         test_lwt_seg6local.sh \
134         test_lirc_mode2.sh \                      121         test_lirc_mode2.sh \
135         test_skb_cgroup_id.sh \                   122         test_skb_cgroup_id.sh \
136         test_flow_dissector.sh \                  123         test_flow_dissector.sh \
137         test_xdp_vlan_mode_generic.sh \           124         test_xdp_vlan_mode_generic.sh \
138         test_xdp_vlan_mode_native.sh \            125         test_xdp_vlan_mode_native.sh \
139         test_lwt_ip_encap.sh \                    126         test_lwt_ip_encap.sh \
140         test_tcp_check_syncookie.sh \             127         test_tcp_check_syncookie.sh \
141         test_tc_tunnel.sh \                       128         test_tc_tunnel.sh \
142         test_tc_edt.sh \                          129         test_tc_edt.sh \
143         test_xdping.sh \                          130         test_xdping.sh \
144         test_bpftool_build.sh \                   131         test_bpftool_build.sh \
145         test_bpftool.sh \                         132         test_bpftool.sh \
146         test_bpftool_metadata.sh \                133         test_bpftool_metadata.sh \
147         test_doc_build.sh \                       134         test_doc_build.sh \
148         test_xsk.sh \                             135         test_xsk.sh \
149         test_xdp_features.sh                      136         test_xdp_features.sh
150                                                   137 
151 TEST_PROGS_EXTENDED := with_addr.sh \             138 TEST_PROGS_EXTENDED := with_addr.sh \
152         with_tunnels.sh ima_setup.sh verify_si    139         with_tunnels.sh ima_setup.sh verify_sig_setup.sh \
153         test_xdp_vlan.sh test_bpftool.py          140         test_xdp_vlan.sh test_bpftool.py
154                                                   141 
155 # Compile but not part of 'make run_tests'        142 # Compile but not part of 'make run_tests'
156 TEST_GEN_PROGS_EXTENDED = \                    !! 143 TEST_GEN_PROGS_EXTENDED = test_skb_cgroup_id_user \
157         flow_dissector_load test_flow_dissecto    144         flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
158         test_lirc_mode2_user xdping test_cpp r    145         test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \
159         xskxceiver xdp_redirect_multi xdp_synp    146         xskxceiver xdp_redirect_multi xdp_synproxy veristat xdp_hw_metadata \
160         xdp_features bpf_test_no_cfi.ko bpf_te !! 147         xdp_features bpf_test_no_cfi.ko
161         bpf_test_modorder_y.ko                 << 
162                                                   148 
163 TEST_GEN_FILES += liburandom_read.so urandom_r    149 TEST_GEN_FILES += liburandom_read.so urandom_read sign-file uprobe_multi
164                                                   150 
165 ifneq ($(V),1)                                    151 ifneq ($(V),1)
166 submake_extras := feature_display=0               152 submake_extras := feature_display=0
167 endif                                             153 endif
168                                                   154 
169 # override lib.mk's default rules                 155 # override lib.mk's default rules
170 OVERRIDE_TARGETS := 1                             156 OVERRIDE_TARGETS := 1
171 override define CLEAN                             157 override define CLEAN
172         $(call msg,CLEAN)                         158         $(call msg,CLEAN)
173         $(Q)$(RM) -r $(TEST_GEN_PROGS)            159         $(Q)$(RM) -r $(TEST_GEN_PROGS)
174         $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED    160         $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED)
175         $(Q)$(RM) -r $(TEST_GEN_FILES)            161         $(Q)$(RM) -r $(TEST_GEN_FILES)
176         $(Q)$(RM) -r $(EXTRA_CLEAN)               162         $(Q)$(RM) -r $(EXTRA_CLEAN)
177         $(Q)$(MAKE) -C bpf_testmod clean          163         $(Q)$(MAKE) -C bpf_testmod clean
178         $(Q)$(MAKE) docs-clean                    164         $(Q)$(MAKE) docs-clean
179 endef                                             165 endef
180                                                   166 
181 include ../lib.mk                                 167 include ../lib.mk
182                                                   168 
183 NON_CHECK_FEAT_TARGETS := clean docs-clean     << 
184 CHECK_FEAT := $(filter-out $(NON_CHECK_FEAT_TA << 
185 ifneq ($(CHECK_FEAT),)                         << 
186 FEATURE_USER := .selftests                     << 
187 FEATURE_TESTS := llvm                          << 
188 FEATURE_DISPLAY := $(FEATURE_TESTS)            << 
189                                                << 
190 # Makefile.feature expects OUTPUT to end with  << 
191 ifeq ($(shell expr $(MAKE_VERSION) \>= 4.4), 1 << 
192 $(let OUTPUT,$(OUTPUT)/,\                      << 
193         $(eval include ../../../build/Makefile << 
194 else                                           << 
195 OUTPUT := $(OUTPUT)/                           << 
196 $(eval include ../../../build/Makefile.feature << 
197 OUTPUT := $(patsubst %/,%,$(OUTPUT))           << 
198 endif                                          << 
199 endif                                          << 
200                                                << 
201 ifeq ($(feature-llvm),1)                       << 
202   LLVM_CFLAGS  += -DHAVE_LLVM_SUPPORT          << 
203   LLVM_CONFIG_LIB_COMPONENTS := mcdisassembler << 
204   # both llvm-config and lib.mk add -D_GNU_SOU << 
205   LLVM_CFLAGS  += $(filter-out -D_GNU_SOURCE,$ << 
206   LLVM_LDLIBS  += $(shell $(LLVM_CONFIG) --lin << 
207   LLVM_LDLIBS  += $(shell $(LLVM_CONFIG) --lin << 
208   LLVM_LDLIBS  += -lstdc++                     << 
209   LLVM_LDFLAGS += $(shell $(LLVM_CONFIG) --ldf << 
210 endif                                          << 
211                                                << 
212 SCRATCH_DIR := $(OUTPUT)/tools                    169 SCRATCH_DIR := $(OUTPUT)/tools
213 BUILD_DIR := $(SCRATCH_DIR)/build                 170 BUILD_DIR := $(SCRATCH_DIR)/build
214 INCLUDE_DIR := $(SCRATCH_DIR)/include             171 INCLUDE_DIR := $(SCRATCH_DIR)/include
215 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a            172 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a
216 ifneq ($(CROSS_COMPILE),)                         173 ifneq ($(CROSS_COMPILE),)
217 HOST_BUILD_DIR          := $(BUILD_DIR)/host      174 HOST_BUILD_DIR          := $(BUILD_DIR)/host
218 HOST_SCRATCH_DIR        := $(OUTPUT)/host-tool    175 HOST_SCRATCH_DIR        := $(OUTPUT)/host-tools
219 HOST_INCLUDE_DIR        := $(HOST_SCRATCH_DIR)    176 HOST_INCLUDE_DIR        := $(HOST_SCRATCH_DIR)/include
220 else                                              177 else
221 HOST_BUILD_DIR          := $(BUILD_DIR)           178 HOST_BUILD_DIR          := $(BUILD_DIR)
222 HOST_SCRATCH_DIR        := $(SCRATCH_DIR)         179 HOST_SCRATCH_DIR        := $(SCRATCH_DIR)
223 HOST_INCLUDE_DIR        := $(INCLUDE_DIR)         180 HOST_INCLUDE_DIR        := $(INCLUDE_DIR)
224 endif                                             181 endif
225 HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf    182 HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a
226 RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_bt    183 RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids
227 RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/     184 RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/
228                                                   185 
229 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux)      186 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux)                            \
230                      $(if $(KBUILD_OUTPUT),$(K    187                      $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux)    \
231                      ../../../../vmlinux          188                      ../../../../vmlinux                                \
232                      /sys/kernel/btf/vmlinux      189                      /sys/kernel/btf/vmlinux                            \
233                      /boot/vmlinux-$(shell una    190                      /boot/vmlinux-$(shell uname -r)
234 VMLINUX_BTF ?= $(abspath $(firstword $(wildcar    191 VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
235 ifeq ($(VMLINUX_BTF),)                            192 ifeq ($(VMLINUX_BTF),)
236 $(error Cannot find a vmlinux for VMLINUX_BTF     193 $(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)")
237 endif                                             194 endif
238                                                   195 
239 # Define simple and short `make test_progs`, `    196 # Define simple and short `make test_progs`, `make test_sysctl`, etc targets
240 # to build individual tests.                      197 # to build individual tests.
241 # NOTE: Semicolon at the end is critical to ov    198 # NOTE: Semicolon at the end is critical to override lib.mk's default static
242 # rule for binaries.                              199 # rule for binaries.
243 $(notdir $(TEST_GEN_PROGS)                        200 $(notdir $(TEST_GEN_PROGS)                                              \
244          $(TEST_GEN_PROGS_EXTENDED)): %: $(OUT    201          $(TEST_GEN_PROGS_EXTENDED)): %: $(OUTPUT)/% ;
245                                                   202 
246 # sort removes libbpf duplicates when not cros    203 # sort removes libbpf duplicates when not cross-building
247 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST    204 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf        \
248                $(BUILD_DIR)/bpftool $(HOST_BUI    205                $(BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/bpftool           \
249                $(HOST_BUILD_DIR)/resolve_btfid    206                $(HOST_BUILD_DIR)/resolve_btfids                         \
250                $(RUNQSLOWER_OUTPUT) $(INCLUDE_    207                $(RUNQSLOWER_OUTPUT) $(INCLUDE_DIR))
251 $(MAKE_DIRS):                                     208 $(MAKE_DIRS):
252         $(call msg,MKDIR,,$@)                     209         $(call msg,MKDIR,,$@)
253         $(Q)mkdir -p $@                           210         $(Q)mkdir -p $@
254                                                   211 
255 $(OUTPUT)/%.o: %.c                                212 $(OUTPUT)/%.o: %.c
256         $(call msg,CC,,$@)                        213         $(call msg,CC,,$@)
257         $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^    214         $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@
258                                                   215 
259 $(OUTPUT)/%:%.c                                   216 $(OUTPUT)/%:%.c
260         $(call msg,BINARY,,$@)                    217         $(call msg,BINARY,,$@)
261         $(Q)$(LINK.c) $^ $(LDLIBS) -o $@          218         $(Q)$(LINK.c) $^ $(LDLIBS) -o $@
262                                                   219 
263 # LLVM's ld.lld doesn't support all the archit    220 # LLVM's ld.lld doesn't support all the architectures, so use it only on x86
264 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv    221 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv))
265 LLD := lld                                        222 LLD := lld
266 else                                              223 else
267 LLD := $(shell command -v $(LD))                  224 LLD := $(shell command -v $(LD))
268 endif                                             225 endif
269                                                   226 
270 # Filter out -static for liburandom_read.so an    227 # Filter out -static for liburandom_read.so and its dependent targets so that static builds
271 # do not fail. Static builds leave urandom_rea    228 # do not fail. Static builds leave urandom_read relying on system-wide shared libraries.
272 $(OUTPUT)/liburandom_read.so: urandom_read_lib    229 $(OUTPUT)/liburandom_read.so: urandom_read_lib1.c urandom_read_lib2.c liburandom_read.map
273         $(call msg,LIB,,$@)                       230         $(call msg,LIB,,$@)
274         $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \       231         $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \
275                      $(filter-out -static,$(CF    232                      $(filter-out -static,$(CFLAGS) $(LDFLAGS)) \
276                      $(filter %.c,$^) $(filter    233                      $(filter %.c,$^) $(filter-out -static,$(LDLIBS)) \
277                      -fuse-ld=$(LLD) -Wl,-znos    234                      -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
278                      -Wl,--version-script=libu    235                      -Wl,--version-script=liburandom_read.map \
279                      -fPIC -shared -o $@          236                      -fPIC -shared -o $@
280                                                   237 
281 $(OUTPUT)/urandom_read: urandom_read.c urandom    238 $(OUTPUT)/urandom_read: urandom_read.c urandom_read_aux.c $(OUTPUT)/liburandom_read.so
282         $(call msg,BINARY,,$@)                    239         $(call msg,BINARY,,$@)
283         $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \       240         $(Q)$(CLANG) $(CLANG_TARGET_ARCH) \
284                      $(filter-out -static,$(CF    241                      $(filter-out -static,$(CFLAGS) $(LDFLAGS)) $(filter %.c,$^) \
285                      -lurandom_read $(filter-o    242                      -lurandom_read $(filter-out -static,$(LDLIBS)) -L$(OUTPUT) \
286                      -fuse-ld=$(LLD) -Wl,-znos    243                      -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
287                      -Wl,-rpath=. -o $@           244                      -Wl,-rpath=. -o $@
288                                                   245 
289 $(OUTPUT)/sign-file: ../../../../scripts/sign-    246 $(OUTPUT)/sign-file: ../../../../scripts/sign-file.c
290         $(call msg,SIGN-FILE,,$@)                 247         $(call msg,SIGN-FILE,,$@)
291         $(Q)$(CC) $(shell $(PKG_CONFIG) --cfla    248         $(Q)$(CC) $(shell $(PKG_CONFIG) --cflags libcrypto 2> /dev/null) \
292                   $< -o $@ \                      249                   $< -o $@ \
293                   $(shell $(PKG_CONFIG) --libs    250                   $(shell $(PKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
294                                                   251 
295 $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RES    252 $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch])
296         $(call msg,MOD,,$@)                       253         $(call msg,MOD,,$@)
297         $(Q)$(RM) bpf_testmod/bpf_testmod.ko #    254         $(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation
298         $(Q)$(MAKE) $(submake_extras) RESOLVE_    255         $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_testmod
299         $(Q)cp bpf_testmod/bpf_testmod.ko $@      256         $(Q)cp bpf_testmod/bpf_testmod.ko $@
300                                                   257 
301 $(OUTPUT)/bpf_test_no_cfi.ko: $(VMLINUX_BTF) $    258 $(OUTPUT)/bpf_test_no_cfi.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_test_no_cfi/Makefile bpf_test_no_cfi/*.[ch])
302         $(call msg,MOD,,$@)                       259         $(call msg,MOD,,$@)
303         $(Q)$(RM) bpf_test_no_cfi/bpf_test_no_    260         $(Q)$(RM) bpf_test_no_cfi/bpf_test_no_cfi.ko # force re-compilation
304         $(Q)$(MAKE) $(submake_extras) RESOLVE_    261         $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_test_no_cfi
305         $(Q)cp bpf_test_no_cfi/bpf_test_no_cfi    262         $(Q)cp bpf_test_no_cfi/bpf_test_no_cfi.ko $@
306                                                   263 
307 $(OUTPUT)/bpf_test_modorder_x.ko: $(VMLINUX_BT << 
308         $(call msg,MOD,,$@)                    << 
309         $(Q)$(RM) bpf_test_modorder_x/bpf_test << 
310         $(Q)$(MAKE) $(submake_extras) RESOLVE_ << 
311         $(Q)cp bpf_test_modorder_x/bpf_test_mo << 
312                                                << 
313 $(OUTPUT)/bpf_test_modorder_y.ko: $(VMLINUX_BT << 
314         $(call msg,MOD,,$@)                    << 
315         $(Q)$(RM) bpf_test_modorder_y/bpf_test << 
316         $(Q)$(MAKE) $(submake_extras) RESOLVE_ << 
317         $(Q)cp bpf_test_modorder_y/bpf_test_mo << 
318                                                << 
319                                                << 
320 DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bp    264 DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool
321 ifneq ($(CROSS_COMPILE),)                         265 ifneq ($(CROSS_COMPILE),)
322 CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool      266 CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool
323 TRUNNER_BPFTOOL := $(CROSS_BPFTOOL)               267 TRUNNER_BPFTOOL := $(CROSS_BPFTOOL)
324 USE_BOOTSTRAP := ""                               268 USE_BOOTSTRAP := ""
325 else                                              269 else
326 TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL)             270 TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL)
327 USE_BOOTSTRAP := "bootstrap/"                     271 USE_BOOTSTRAP := "bootstrap/"
328 endif                                             272 endif
329                                                   273 
330 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BP    274 $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) $(RUNQSLOWER_OUTPUT)
331         $(Q)$(MAKE) $(submake_extras) -C $(TOO    275         $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower            \
332                     OUTPUT=$(RUNQSLOWER_OUTPUT    276                     OUTPUT=$(RUNQSLOWER_OUTPUT) VMLINUX_BTF=$(VMLINUX_BTF)     \
333                     BPFTOOL_OUTPUT=$(HOST_BUIL    277                     BPFTOOL_OUTPUT=$(HOST_BUILD_DIR)/bpftool/                  \
334                     BPFOBJ_OUTPUT=$(BUILD_DIR)    278                     BPFOBJ_OUTPUT=$(BUILD_DIR)/libbpf/                         \
335                     BPFOBJ=$(BPFOBJ) BPF_INCLU    279                     BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR)                \
336                     EXTRA_CFLAGS='-g $(OPT_FLA    280                     EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS)'               \
337                     EXTRA_LDFLAGS='$(SAN_LDFLA    281                     EXTRA_LDFLAGS='$(SAN_LDFLAGS)' &&                          \
338                     cp $(RUNQSLOWER_OUTPUT)run    282                     cp $(RUNQSLOWER_OUTPUT)runqslower $@
339                                                   283 
340 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL)     284 TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL)
341                                                   285 
342 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED):     286 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ)
343                                                   287 
344 TESTING_HELPERS := $(OUTPUT)/testing_helpers.o    288 TESTING_HELPERS := $(OUTPUT)/testing_helpers.o
345 CGROUP_HELPERS  := $(OUTPUT)/cgroup_helpers.o     289 CGROUP_HELPERS  := $(OUTPUT)/cgroup_helpers.o
346 UNPRIV_HELPERS  := $(OUTPUT)/unpriv_helpers.o     290 UNPRIV_HELPERS  := $(OUTPUT)/unpriv_helpers.o
347 TRACE_HELPERS   := $(OUTPUT)/trace_helpers.o      291 TRACE_HELPERS   := $(OUTPUT)/trace_helpers.o
348 JSON_WRITER             := $(OUTPUT)/json_writ    292 JSON_WRITER             := $(OUTPUT)/json_writer.o
349 CAP_HELPERS     := $(OUTPUT)/cap_helpers.o        293 CAP_HELPERS     := $(OUTPUT)/cap_helpers.o
350 NETWORK_HELPERS := $(OUTPUT)/network_helpers.o    294 NETWORK_HELPERS := $(OUTPUT)/network_helpers.o
351                                                   295 
                                                   >> 296 $(OUTPUT)/test_dev_cgroup: $(CGROUP_HELPERS) $(TESTING_HELPERS)
                                                   >> 297 $(OUTPUT)/test_skb_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS)
352 $(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTI    298 $(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTING_HELPERS)
353 $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TE    299 $(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TESTING_HELPERS)
354 $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPER    300 $(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) $(TRACE_HELPERS)
                                                   >> 301 $(OUTPUT)/get_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS)
                                                   >> 302 $(OUTPUT)/test_cgroup_storage: $(CGROUP_HELPERS) $(TESTING_HELPERS)
355 $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS)     303 $(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) $(TESTING_HELPERS)
356 $(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TES    304 $(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TESTING_HELPERS)
357 $(OUTPUT)/test_tag: $(TESTING_HELPERS)            305 $(OUTPUT)/test_tag: $(TESTING_HELPERS)
358 $(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELP    306 $(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELPERS)
359 $(OUTPUT)/xdping: $(TESTING_HELPERS)              307 $(OUTPUT)/xdping: $(TESTING_HELPERS)
360 $(OUTPUT)/flow_dissector_load: $(TESTING_HELPE    308 $(OUTPUT)/flow_dissector_load: $(TESTING_HELPERS)
361 $(OUTPUT)/test_maps: $(TESTING_HELPERS)           309 $(OUTPUT)/test_maps: $(TESTING_HELPERS)
362 $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $(    310 $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $(CAP_HELPERS) $(UNPRIV_HELPERS)
363 $(OUTPUT)/xsk.o: $(BPFOBJ)                        311 $(OUTPUT)/xsk.o: $(BPFOBJ)
364 $(OUTPUT)/test_tcp_check_syncookie_user: $(NET    312 $(OUTPUT)/test_tcp_check_syncookie_user: $(NETWORK_HELPERS)
365                                                   313 
366 BPFTOOL ?= $(DEFAULT_BPFTOOL)                     314 BPFTOOL ?= $(DEFAULT_BPFTOOL)
367 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*    315 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile)    \
368                     $(HOST_BPFOBJ) | $(HOST_BU    316                     $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool
369         $(Q)$(MAKE) $(submake_extras)  -C $(BP    317         $(Q)$(MAKE) $(submake_extras)  -C $(BPFTOOLDIR)                        \
370                     ARCH= CROSS_COMPILE= CC="$    318                     ARCH= CROSS_COMPILE= CC="$(HOSTCC)" LD="$(HOSTLD)"         \
371                     EXTRA_CFLAGS='-g $(OPT_FLA    319                     EXTRA_CFLAGS='-g $(OPT_FLAGS)'                             \
372                     OUTPUT=$(HOST_BUILD_DIR)/b    320                     OUTPUT=$(HOST_BUILD_DIR)/bpftool/                          \
373                     LIBBPF_OUTPUT=$(HOST_BUILD    321                     LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/                    \
374                     LIBBPF_DESTDIR=$(HOST_SCRA    322                     LIBBPF_DESTDIR=$(HOST_SCRATCH_DIR)/                        \
375                     prefix= DESTDIR=$(HOST_SCR    323                     prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin
376                                                   324 
377 ifneq ($(CROSS_COMPILE),)                         325 ifneq ($(CROSS_COMPILE),)
378 $(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[    326 $(CROSS_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile)       \
379                     $(BPFOBJ) | $(BUILD_DIR)/b    327                     $(BPFOBJ) | $(BUILD_DIR)/bpftool
380         $(Q)$(MAKE) $(submake_extras)  -C $(BP    328         $(Q)$(MAKE) $(submake_extras)  -C $(BPFTOOLDIR)                         \
381                     ARCH=$(ARCH) CROSS_COMPILE    329                     ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE)                 \
382                     EXTRA_CFLAGS='-g $(OPT_FLA    330                     EXTRA_CFLAGS='-g $(OPT_FLAGS)'                              \
383                     OUTPUT=$(BUILD_DIR)/bpftoo    331                     OUTPUT=$(BUILD_DIR)/bpftool/                                \
384                     LIBBPF_OUTPUT=$(BUILD_DIR)    332                     LIBBPF_OUTPUT=$(BUILD_DIR)/libbpf/                          \
385                     LIBBPF_DESTDIR=$(SCRATCH_D    333                     LIBBPF_DESTDIR=$(SCRATCH_DIR)/                              \
386                     prefix= DESTDIR=$(SCRATCH_    334                     prefix= DESTDIR=$(SCRATCH_DIR)/ install-bin
387 endif                                             335 endif
388                                                   336 
389 all: docs                                         337 all: docs
390                                                   338 
391 docs:                                             339 docs:
392         $(Q)RST2MAN_OPTS="--exit-status=1" $(M    340         $(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras)    \
393                     -f Makefile.docs              341                     -f Makefile.docs                                    \
394                     prefix= OUTPUT=$(OUTPUT)/     342                     prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
395                                                   343 
396 docs-clean:                                       344 docs-clean:
397         $(Q)$(MAKE) $(submake_extras)             345         $(Q)$(MAKE) $(submake_extras)                                   \
398                     -f Makefile.docs              346                     -f Makefile.docs                                    \
399                     prefix= OUTPUT=$(OUTPUT)/     347                     prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
400                                                   348 
401 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDI    349 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile)                     \
402            $(APIDIR)/linux/bpf.h                  350            $(APIDIR)/linux/bpf.h                                               \
403            | $(BUILD_DIR)/libbpf                  351            | $(BUILD_DIR)/libbpf
404         $(Q)$(MAKE) $(submake_extras) -C $(BPF    352         $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
405                     EXTRA_CFLAGS='-g $(OPT_FLA    353                     EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS)'               \
406                     EXTRA_LDFLAGS='$(SAN_LDFLA    354                     EXTRA_LDFLAGS='$(SAN_LDFLAGS)'                             \
407                     DESTDIR=$(SCRATCH_DIR) pre    355                     DESTDIR=$(SCRATCH_DIR) prefix= all install_headers
408                                                   356 
409 ifneq ($(BPFOBJ),$(HOST_BPFOBJ))                  357 ifneq ($(BPFOBJ),$(HOST_BPFOBJ))
410 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(    358 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile)                \
411                 $(APIDIR)/linux/bpf.h             359                 $(APIDIR)/linux/bpf.h                                          \
412                 | $(HOST_BUILD_DIR)/libbpf        360                 | $(HOST_BUILD_DIR)/libbpf
413         $(Q)$(MAKE) $(submake_extras) -C $(BPF    361         $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR)                             \
414                     EXTRA_CFLAGS='-g $(OPT_FLA    362                     EXTRA_CFLAGS='-g $(OPT_FLAGS)' ARCH= CROSS_COMPILE=        \
415                     OUTPUT=$(HOST_BUILD_DIR)/l    363                     OUTPUT=$(HOST_BUILD_DIR)/libbpf/                           \
416                     CC="$(HOSTCC)" LD="$(HOSTL    364                     CC="$(HOSTCC)" LD="$(HOSTLD)"                              \
417                     DESTDIR=$(HOST_SCRATCH_DIR    365                     DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers
418 endif                                             366 endif
419                                                   367 
420 # vmlinux.h is first dumped to a temprorary fi << 
421 # the previous version. This helps to avoid un << 
422 # $(TRUNNER_BPF_OBJS)                          << 
423 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPF    368 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR)
424 ifeq ($(VMLINUX_H),)                              369 ifeq ($(VMLINUX_H),)
425         $(call msg,GEN,,$@)                       370         $(call msg,GEN,,$@)
426         $(Q)$(BPFTOOL) btf dump file $(VMLINUX !! 371         $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
427         $(Q)cmp -s $(INCLUDE_DIR)/.vmlinux.h.t << 
428 else                                              372 else
429         $(call msg,CP,,$@)                        373         $(call msg,CP,,$@)
430         $(Q)cp "$(VMLINUX_H)" $@                  374         $(Q)cp "$(VMLINUX_H)" $@
431 endif                                             375 endif
432                                                   376 
433 $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUI    377 $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids    \
434                        $(TOOLSDIR)/bpf/resolve    378                        $(TOOLSDIR)/bpf/resolve_btfids/main.c    \
435                        $(TOOLSDIR)/lib/rbtree.    379                        $(TOOLSDIR)/lib/rbtree.c                 \
436                        $(TOOLSDIR)/lib/zalloc.    380                        $(TOOLSDIR)/lib/zalloc.c                 \
437                        $(TOOLSDIR)/lib/string.    381                        $(TOOLSDIR)/lib/string.c                 \
438                        $(TOOLSDIR)/lib/ctype.c    382                        $(TOOLSDIR)/lib/ctype.c                  \
439                        $(TOOLSDIR)/lib/str_err    383                        $(TOOLSDIR)/lib/str_error_r.c
440         $(Q)$(MAKE) $(submake_extras) -C $(TOO    384         $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \
441                 CC="$(HOSTCC)" LD="$(HOSTLD)"     385                 CC="$(HOSTCC)" LD="$(HOSTLD)" AR="$(HOSTAR)" \
442                 LIBBPF_INCLUDE=$(HOST_INCLUDE_    386                 LIBBPF_INCLUDE=$(HOST_INCLUDE_DIR) \
443                 OUTPUT=$(HOST_BUILD_DIR)/resol    387                 OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ)
444                                                   388 
445 # Get Clang's default includes on this system,    389 # Get Clang's default includes on this system, as opposed to those seen by
446 # '--target=bpf'. This fixes "missing" files o    390 # '--target=bpf'. This fixes "missing" files on some architectures/distros,
447 # such as asm/byteorder.h, asm/socket.h, asm/s    391 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
448 #                                                 392 #
449 # Use '-idirafter': Don't interfere with inclu    393 # Use '-idirafter': Don't interfere with include mechanics except where the
450 # build would have failed anyways.                394 # build would have failed anyways.
451 define get_sys_includes                           395 define get_sys_includes
452 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \       396 $(shell $(1) $(2) -v -E - </dev/null 2>&1 \
453         | sed -n '/<...> search starts here:/,    397         | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
454 $(shell $(1) $(2) -dM -E - </dev/null | grep '    398 $(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') \
455 $(shell $(1) $(2) -dM -E - </dev/null | grep ' !! 399 $(shell $(1) $(2) -dM -E - </dev/null | grep '__loongarch_grlen ' | awk '{printf("-D__BITS_PER_LONG=%d", $$3)}')
456 $(shell $(1) $(2) -dM -E - </dev/null | grep - << 
457 endef                                             400 endef
458                                                   401 
459 # Determine target endianness.                    402 # Determine target endianness.
460 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </de    403 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
461                         grep 'define __BYTE_OR    404                         grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__')
462 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endi    405 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
463                                                   406 
464 ifneq ($(CROSS_COMPILE),)                         407 ifneq ($(CROSS_COMPILE),)
465 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_    408 CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%))
466 endif                                             409 endif
467                                                   410 
468 CLANG_SYS_INCLUDES = $(call get_sys_includes,$    411 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH))
469 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_    412 BPF_CFLAGS = -g -Wall -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN)     \
470              -I$(INCLUDE_DIR) -I$(CURDIR) -I$(    413              -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR)                   \
471              -I$(abspath $(OUTPUT)/../usr/incl    414              -I$(abspath $(OUTPUT)/../usr/include)                      \
472              -Wno-compare-distinct-pointer-typ    415              -Wno-compare-distinct-pointer-types
473 # TODO: enable me -Wsign-compare                  416 # TODO: enable me -Wsign-compare
474                                                   417 
475 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES)              418 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES)
476                                                   419 
477 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS +=     420 $(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
478 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -    421 $(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
479                                                   422 
480 $(OUTPUT)/flow_dissector_load.o: flow_dissecto    423 $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
481 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup    424 $(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup_getset_retval_hooks.h
482                                                   425 
483 # Build BPF object using Clang                    426 # Build BPF object using Clang
484 # $1 - input .c file                              427 # $1 - input .c file
485 # $2 - output .o file                             428 # $2 - output .o file
486 # $3 - CFLAGS                                     429 # $3 - CFLAGS
487 # $4 - binary name                                430 # $4 - binary name
488 define CLANG_BPF_BUILD_RULE                       431 define CLANG_BPF_BUILD_RULE
489         $(call msg,CLNG-BPF,$4,$2)                432         $(call msg,CLNG-BPF,$4,$2)
490         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1    433         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v3 -o $2
491 endef                                             434 endef
492 # Similar to CLANG_BPF_BUILD_RULE, but with di    435 # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32
493 define CLANG_NOALU32_BPF_BUILD_RULE               436 define CLANG_NOALU32_BPF_BUILD_RULE
494         $(call msg,CLNG-BPF,$4,$2)                437         $(call msg,CLNG-BPF,$4,$2)
495         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1    438         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v2 -o $2
496 endef                                             439 endef
497 # Similar to CLANG_BPF_BUILD_RULE, but with cp    440 # Similar to CLANG_BPF_BUILD_RULE, but with cpu-v4
498 define CLANG_CPUV4_BPF_BUILD_RULE                 441 define CLANG_CPUV4_BPF_BUILD_RULE
499         $(call msg,CLNG-BPF,$4,$2)                442         $(call msg,CLNG-BPF,$4,$2)
500         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1    443         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v4 -o $2
501 endef                                             444 endef
502 # Build BPF object using GCC                      445 # Build BPF object using GCC
503 define GCC_BPF_BUILD_RULE                         446 define GCC_BPF_BUILD_RULE
504         $(call msg,GCC-BPF,$4,$2)                 447         $(call msg,GCC-BPF,$4,$2)
505         $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_AC    448         $(Q)$(BPF_GCC) $3 -DBPF_NO_PRESERVE_ACCESS_INDEX -Wno-attributes -O2 -c $1 -o $2
506 endef                                             449 endef
507                                                   450 
508 SKEL_BLACKLIST := btf__% test_pinning_invalid.    451 SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c
509                                                   452 
510 LINKED_SKELS := test_static_linked.skel.h link    453 LINKED_SKELS := test_static_linked.skel.h linked_funcs.skel.h           \
511                 linked_vars.skel.h linked_maps    454                 linked_vars.skel.h linked_maps.skel.h                   \
512                 test_subskeleton.skel.h test_s    455                 test_subskeleton.skel.h test_subskeleton_lib.skel.h     \
513                 test_usdt.skel.h                  456                 test_usdt.skel.h
514                                                   457 
515 LSKELS := fentry_test.c fexit_test.c fexit_sle    458 LSKELS := fentry_test.c fexit_test.c fexit_sleep.c atomics.c            \
516         trace_printk.c trace_vprintk.c map_ptr    459         trace_printk.c trace_vprintk.c map_ptr_kern.c                   \
517         core_kern.c core_kern_overflow.c test_    460         core_kern.c core_kern_overflow.c test_ringbuf.c                 \
518         test_ringbuf_n.c test_ringbuf_map_key.    461         test_ringbuf_n.c test_ringbuf_map_key.c test_ringbuf_write.c
519                                                   462 
520 # Generate both light skeleton and libbpf skel    463 # Generate both light skeleton and libbpf skeleton for these
521 LSKELS_EXTRA := test_ksyms_module.c test_ksyms    464 LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c kfunc_call_test.c \
522         kfunc_call_test_subprog.c                 465         kfunc_call_test_subprog.c
523 SKEL_BLACKLIST += $$(LSKELS)                      466 SKEL_BLACKLIST += $$(LSKELS)
524                                                   467 
525 test_static_linked.skel.h-deps := test_static_    468 test_static_linked.skel.h-deps := test_static_linked1.bpf.o test_static_linked2.bpf.o
526 linked_funcs.skel.h-deps := linked_funcs1.bpf.    469 linked_funcs.skel.h-deps := linked_funcs1.bpf.o linked_funcs2.bpf.o
527 linked_vars.skel.h-deps := linked_vars1.bpf.o     470 linked_vars.skel.h-deps := linked_vars1.bpf.o linked_vars2.bpf.o
528 linked_maps.skel.h-deps := linked_maps1.bpf.o     471 linked_maps.skel.h-deps := linked_maps1.bpf.o linked_maps2.bpf.o
529 # In the subskeleton case, we want the test_su    472 # In the subskeleton case, we want the test_subskeleton_lib.subskel.h file
530 # but that's created as a side-effect of the s    473 # but that's created as a side-effect of the skel.h generation.
531 test_subskeleton.skel.h-deps := test_subskelet    474 test_subskeleton.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o test_subskeleton.bpf.o
532 test_subskeleton_lib.skel.h-deps := test_subsk    475 test_subskeleton_lib.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o
533 test_usdt.skel.h-deps := test_usdt.bpf.o test_    476 test_usdt.skel.h-deps := test_usdt.bpf.o test_usdt_multispec.bpf.o
534 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf    477 xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf.o
535 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata    478 xdp_hw_metadata.skel.h-deps := xdp_hw_metadata.bpf.o
536 xdp_features.skel.h-deps := xdp_features.bpf.o    479 xdp_features.skel.h-deps := xdp_features.bpf.o
537                                                   480 
538 LINKED_BPF_OBJS := $(foreach skel,$(LINKED_SKE !! 481 LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(foreach skel,$(LINKED_SKELS),$($(skel)-deps)))
539 LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(LI << 
540                                                << 
541 HEADERS_FOR_BPF_OBJS := $(wildcard $(BPFDIR)/* << 
542                         $(addprefix $(BPFDIR)/ << 
543                                                << 
544                                                << 
545                                                << 
546                                                   482 
547 # Set up extra TRUNNER_XXX "temporary" variabl    483 # Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on
548 # $eval()) and pass control to DEFINE_TEST_RUN    484 # $eval()) and pass control to DEFINE_TEST_RUNNER_RULES.
549 # Parameters:                                     485 # Parameters:
550 # $1 - test runner base binary name (e.g., tes    486 # $1 - test runner base binary name (e.g., test_progs)
551 # $2 - test runner extra "flavor" (e.g., no_al    487 # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc)
552 define DEFINE_TEST_RUNNER                         488 define DEFINE_TEST_RUNNER
553                                                   489 
554 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2           490 TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2
555 TRUNNER_BINARY := $1$(if $2,-)$2                  491 TRUNNER_BINARY := $1$(if $2,-)$2
556 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNE    492 TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o,       \
557                                  $$(notdir $$(    493                                  $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c)))
558 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNN    494 TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o,           \
559                                  $$(filter %.c    495                                  $$(filter %.c,$(TRUNNER_EXTRA_SOURCES)))
560 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_    496 TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES))
561 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/test    497 TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h
562 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TR    498 TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c))
563 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER    499 TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.bpf.o, $$(TRUNNER_BPF_SRCS))
564 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNE    500 TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h,       \
565                                  $$(filter-out    501                                  $$(filter-out $(SKEL_BLACKLIST) $(LINKED_BPF_SRCS),\
566                                                   502                                                $$(TRUNNER_BPF_SRCS)))
567 TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNN    503 TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.lskel.h, $$(LSKELS) $$(LSKELS_EXTRA))
568 TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TR    504 TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TRUNNER_OUTPUT)/,$(LINKED_SKELS))
569 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)            505 TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)
570                                                   506 
571 # Evaluate rules now with extra TRUNNER_XXX va    507 # Evaluate rules now with extra TRUNNER_XXX variables above already defined
572 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2    508 $$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2))
573                                                   509 
574 endef                                             510 endef
575                                                   511 
576 # Using TRUNNER_XXX variables, provided by cal    512 # Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and
577 # set up by DEFINE_TEST_RUNNER itself, create     513 # set up by DEFINE_TEST_RUNNER itself, create test runner build rules with:
578 # $1 - test runner base binary name (e.g., tes    514 # $1 - test runner base binary name (e.g., test_progs)
579 # $2 - test runner extra "flavor" (e.g., no_al    515 # $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc)
580 define DEFINE_TEST_RUNNER_RULES                   516 define DEFINE_TEST_RUNNER_RULES
581                                                   517 
582 ifeq ($($(TRUNNER_OUTPUT)-dir),)                  518 ifeq ($($(TRUNNER_OUTPUT)-dir),)
583 $(TRUNNER_OUTPUT)-dir := y                        519 $(TRUNNER_OUTPUT)-dir := y
584 $(TRUNNER_OUTPUT):                                520 $(TRUNNER_OUTPUT):
585         $$(call msg,MKDIR,,$$@)                   521         $$(call msg,MKDIR,,$$@)
586         $(Q)mkdir -p $$@                          522         $(Q)mkdir -p $$@
587 endif                                             523 endif
588                                                   524 
589 # ensure we set up BPF objects generation rule    525 # ensure we set up BPF objects generation rule just once for a given
590 # input/output directory combination              526 # input/output directory combination
591 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-b    527 ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),)
592 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs :    528 $(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y
593 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o    529 $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o:                         \
594                      $(TRUNNER_BPF_PROGS_DIR)/    530                      $(TRUNNER_BPF_PROGS_DIR)/%.c                       \
595                      $(TRUNNER_BPF_PROGS_DIR)/    531                      $(TRUNNER_BPF_PROGS_DIR)/*.h                       \
596                      $$(INCLUDE_DIR)/vmlinux.h    532                      $$(INCLUDE_DIR)/vmlinux.h                          \
597                      $(HEADERS_FOR_BPF_OBJS)   !! 533                      $(wildcard $(BPFDIR)/bpf_*.h)                      \
                                                   >> 534                      $(wildcard $(BPFDIR)/*.bpf.h)                      \
598                      | $(TRUNNER_OUTPUT) $$(BP    535                      | $(TRUNNER_OUTPUT) $$(BPFOBJ)
599         $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,    536         $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@,                      \
600                                           $(TR    537                                           $(TRUNNER_BPF_CFLAGS)         \
601                                           $$($    538                                           $$($$<-CFLAGS)                \
602                                           $$($    539                                           $$($$<-$2-CFLAGS),$(TRUNNER_BINARY))
603                                                   540 
604 $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFT    541 $(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
605         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY)    542         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
606         $(Q)$$(BPFTOOL) gen object $$(<:.o=.li    543         $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$<
607         $(Q)$$(BPFTOOL) gen object $$(<:.o=.li    544         $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o)
608         $(Q)$$(BPFTOOL) gen object $$(<:.o=.li    545         $(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o)
609         $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.    546         $(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o)
610         $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.    547         $(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$@
611         $(Q)$$(BPFTOOL) gen subskeleton $$(<:.    548         $(Q)$$(BPFTOOL) gen subskeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$(@:.skel.h=.subskel.h)
612         $(Q)rm -f $$(<:.o=.linked1.o) $$(<:.o=    549         $(Q)rm -f $$(<:.o=.linked1.o) $$(<:.o=.linked2.o) $$(<:.o=.linked3.o)
613                                                   550 
614 $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BP    551 $(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
615         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY)    552         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
616         $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll    553         $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked1.o) $$<
617         $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll    554         $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked2.o) $$(<:.o=.llinked1.o)
618         $(Q)$$(BPFTOOL) gen object $$(<:.o=.ll    555         $(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked3.o) $$(<:.o=.llinked2.o)
619         $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o=    556         $(Q)diff $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o)
620         $(Q)$$(BPFTOOL) gen skeleton -L $$(<:.    557         $(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.llinked3.o) name $$(notdir $$(<:.bpf.o=_lskel)) > $$@
621         $(Q)rm -f $$(<:.o=.llinked1.o) $$(<:.o    558         $(Q)rm -f $$(<:.o=.llinked1.o) $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o)
622                                                   559 
623 $(LINKED_BPF_OBJS): %: $(TRUNNER_OUTPUT)/%     !! 560 $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_BPF_OBJS) $(BPFTOOL) | $(TRUNNER_OUTPUT)
624                                                << 
625 # .SECONDEXPANSION here allows to correctly ex << 
626 .SECONDEXPANSION:                              << 
627 $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_OUTPUT) << 
628         $$(call msg,LINK-BPF,$(TRUNNER_BINARY)    561         $$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.bpf.o))
629         $(Q)$$(BPFTOOL) gen object $$(@:.skel.    562         $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps))
630         $(Q)$$(BPFTOOL) gen object $$(@:.skel.    563         $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked1.o)
631         $(Q)$$(BPFTOOL) gen object $$(@:.skel.    564         $(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked3.o) $$(@:.skel.h=.linked2.o)
632         $(Q)diff $$(@:.skel.h=.linked2.o) $$(@    565         $(Q)diff $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o)
633         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY)    566         $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
634         $(Q)$$(BPFTOOL) gen skeleton $$(@:.ske    567         $(Q)$$(BPFTOOL) gen skeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$@
635         $(Q)$$(BPFTOOL) gen subskeleton $$(@:.    568         $(Q)$$(BPFTOOL) gen subskeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$(@:.skel.h=.subskel.h)
636         $(Q)rm -f $$(@:.skel.h=.linked1.o) $$(    569         $(Q)rm -f $$(@:.skel.h=.linked1.o) $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o)
637                                                << 
638 # When the compiler generates a %.d file, only << 
639 # full paths) are specified as prerequisites f << 
640 # file. This target makes %.skel.h basename de << 
641 # linking generated %.d dependency with actual << 
642 $(notdir %.skel.h): $(TRUNNER_OUTPUT)/%.skel.h << 
643         @true                                  << 
644                                                << 
645 endif                                             570 endif
646                                                   571 
647 # ensure we set up tests.h header generation r    572 # ensure we set up tests.h header generation rule just once
648 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)         573 ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
649 $(TRUNNER_TESTS_DIR)-tests-hdr := y               574 $(TRUNNER_TESTS_DIR)-tests-hdr := y
650 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c    575 $(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c
651         $$(call msg,TEST-HDR,$(TRUNNER_BINARY)    576         $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@)
652         $$(shell (echo '/* Generated header, d    577         $$(shell (echo '/* Generated header, do not edit */';                                   \
653                   sed -n -E 's/^void (serial_)    578                   sed -n -E 's/^void (serial_)?test_([a-zA-Z0-9_]+)\((void)?\).*/DEFINE_TEST(\2)/p'     \
654                         $(TRUNNER_TESTS_DIR)/*    579                         $(TRUNNER_TESTS_DIR)/*.c | sort ;       \
655                  ) > $$@)                         580                  ) > $$@)
656 endif                                             581 endif
657                                                   582 
658 # compile individual test files                   583 # compile individual test files
659 # Note: we cd into output directory to ensure     584 # Note: we cd into output directory to ensure embedded BPF object is found
660 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test    585 $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o:                       \
661                       $(TRUNNER_TESTS_DIR)/%.c    586                       $(TRUNNER_TESTS_DIR)/%.c                          \
662                       | $(TRUNNER_OUTPUT)/%.te !! 587                       $(TRUNNER_EXTRA_HDRS)                             \
                                                   >> 588                       $(TRUNNER_BPF_OBJS)                               \
                                                   >> 589                       $(TRUNNER_BPF_SKELS)                              \
                                                   >> 590                       $(TRUNNER_BPF_LSKELS)                             \
                                                   >> 591                       $(TRUNNER_BPF_SKELS_LINKED)                       \
                                                   >> 592                       $$(BPFOBJ) | $(TRUNNER_OUTPUT)
663         $$(call msg,TEST-OBJ,$(TRUNNER_BINARY)    593         $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
664         $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) !! 594         $(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
665                                                << 
666 $(TRUNNER_TEST_OBJS:.o=.d): $(TRUNNER_OUTPUT)/ << 
667                             $(TRUNNER_TESTS_DI << 
668                             $(TRUNNER_EXTRA_HD << 
669                             $(TRUNNER_BPF_SKEL << 
670                             $(TRUNNER_BPF_LSKE << 
671                             $(TRUNNER_BPF_SKEL << 
672                             $$(BPFOBJ) | $(TRU << 
673                                                << 
674 ifeq ($(filter clean docs-clean,$(MAKECMDGOALS << 
675 include $(wildcard $(TRUNNER_TEST_OBJS:.o=.d)) << 
676 endif                                          << 
677                                                << 
678 # add per extra obj CFGLAGS definitions        << 
679 $(foreach N,$(patsubst $(TRUNNER_OUTPUT)/%.o,% << 
680         $(eval $(TRUNNER_OUTPUT)/$(N).o: CFLAG << 
681                                                   595 
682 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o:     596 $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o:                           \
683                        %.c                        597                        %.c                                              \
684                        $(TRUNNER_EXTRA_HDRS)      598                        $(TRUNNER_EXTRA_HDRS)                            \
685                        $(TRUNNER_TESTS_HDR)       599                        $(TRUNNER_TESTS_HDR)                             \
686                        $$(BPFOBJ) | $(TRUNNER_    600                        $$(BPFOBJ) | $(TRUNNER_OUTPUT)
687         $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),    601         $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
688         $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS    602         $(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
689                                                   603 
690 # non-flavored in-srctree builds receive speci    604 # non-flavored in-srctree builds receive special treatment, in particular, we
691 # do not need to copy extra resources (see e.g    605 # do not need to copy extra resources (see e.g. test_btf_dump_case())
692 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILE    606 $(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
693 ifneq ($2:$(OUTPUT),:$(shell pwd))                607 ifneq ($2:$(OUTPUT),:$(shell pwd))
694         $$(call msg,EXT-COPY,$(TRUNNER_BINARY)    608         $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
695         $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/      609         $(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/
696 endif                                             610 endif
697                                                   611 
698 $(OUTPUT)/$(TRUNNER_BINARY): LDLIBS += $$(LLVM << 
699 $(OUTPUT)/$(TRUNNER_BINARY): LDFLAGS += $$(LLV << 
700                                                << 
701 # some X.test.o files have runtime dependencie << 
702 $(OUTPUT)/$(TRUNNER_BINARY): | $(TRUNNER_BPF_O << 
703                                                << 
704 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OB    612 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS)                       \
705                              $(TRUNNER_EXTRA_O    613                              $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ)           \
706                              $(RESOLVE_BTFIDS)    614                              $(RESOLVE_BTFIDS)                          \
707                              $(TRUNNER_BPFTOOL    615                              $(TRUNNER_BPFTOOL)                         \
708                              | $(TRUNNER_BINAR    616                              | $(TRUNNER_BINARY)-extras
709         $$(call msg,BINARY,,$$@)                  617         $$(call msg,BINARY,,$$@)
710         $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %. !! 618         $(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@
711         $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_    619         $(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_OUTPUT)/btf_data.bpf.o $$@
712         $(Q)ln -sf $(if $2,..,.)/tools/build/b    620         $(Q)ln -sf $(if $2,..,.)/tools/build/bpftool/$(USE_BOOTSTRAP)bpftool \
713                    $(OUTPUT)/$(if $2,$2/)bpfto    621                    $(OUTPUT)/$(if $2,$2/)bpftool
714                                                   622 
715 endef                                             623 endef
716                                                   624 
717 # Define test_progs test runner.                  625 # Define test_progs test runner.
718 TRUNNER_TESTS_DIR := prog_tests                   626 TRUNNER_TESTS_DIR := prog_tests
719 TRUNNER_BPF_PROGS_DIR := progs                    627 TRUNNER_BPF_PROGS_DIR := progs
720 TRUNNER_EXTRA_SOURCES := test_progs.c             628 TRUNNER_EXTRA_SOURCES := test_progs.c           \
721                          cgroup_helpers.c         629                          cgroup_helpers.c       \
722                          trace_helpers.c          630                          trace_helpers.c        \
723                          network_helpers.c        631                          network_helpers.c      \
724                          testing_helpers.c        632                          testing_helpers.c      \
725                          btf_helpers.c            633                          btf_helpers.c          \
726                          cap_helpers.c            634                          cap_helpers.c          \
727                          unpriv_helpers.c         635                          unpriv_helpers.c       \
728                          netlink_helpers.c        636                          netlink_helpers.c      \
729                          jit_disasm_helpers.c  << 
730                          test_loader.c            637                          test_loader.c          \
731                          xsk.c                    638                          xsk.c                  \
732                          disasm.c                 639                          disasm.c               \
733                          disasm_helpers.c      << 
734                          json_writer.c            640                          json_writer.c          \
735                          flow_dissector_load.h    641                          flow_dissector_load.h  \
736                          ip_check_defrag_frags    642                          ip_check_defrag_frags.h
737 TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read     643 TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko  \
738                        $(OUTPUT)/bpf_test_no_c    644                        $(OUTPUT)/bpf_test_no_cfi.ko                     \
739                        $(OUTPUT)/bpf_test_modo << 
740                        $(OUTPUT)/bpf_test_modo << 
741                        $(OUTPUT)/liburandom_re    645                        $(OUTPUT)/liburandom_read.so                     \
742                        $(OUTPUT)/xdp_synproxy     646                        $(OUTPUT)/xdp_synproxy                           \
743                        $(OUTPUT)/sign-file        647                        $(OUTPUT)/sign-file                              \
744                        $(OUTPUT)/uprobe_multi     648                        $(OUTPUT)/uprobe_multi                           \
745                        ima_setup.sh               649                        ima_setup.sh                                     \
746                        verify_sig_setup.sh        650                        verify_sig_setup.sh                              \
747                        $(wildcard progs/btf_du    651                        $(wildcard progs/btf_dump_test_case_*.c)         \
748                        $(wildcard progs/*.bpf.    652                        $(wildcard progs/*.bpf.o)
749 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE    653 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
750 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF    654 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS
751 $(eval $(call DEFINE_TEST_RUNNER,test_progs))     655 $(eval $(call DEFINE_TEST_RUNNER,test_progs))
752                                                   656 
753 # Define test_progs-no_alu32 test runner.         657 # Define test_progs-no_alu32 test runner.
754 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BU    658 TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE
755 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF    659 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
756 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no    660 $(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32))
757                                                   661 
758 # Define test_progs-cpuv4 test runner.            662 # Define test_progs-cpuv4 test runner.
759 ifneq ($(CLANG_CPUV4),)                           663 ifneq ($(CLANG_CPUV4),)
760 TRUNNER_BPF_BUILD_RULE := CLANG_CPUV4_BPF_BUIL    664 TRUNNER_BPF_BUILD_RULE := CLANG_CPUV4_BPF_BUILD_RULE
761 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CF    665 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS
762 $(eval $(call DEFINE_TEST_RUNNER,test_progs,cp    666 $(eval $(call DEFINE_TEST_RUNNER,test_progs,cpuv4))
763 endif                                             667 endif
764                                                   668 
765 # Define test_progs BPF-GCC-flavored test runn    669 # Define test_progs BPF-GCC-flavored test runner.
766 ifneq ($(BPF_GCC),)                               670 ifneq ($(BPF_GCC),)
767 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE      671 TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE
768 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get    672 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc,)
769 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bp    673 $(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc))
770 endif                                             674 endif
771                                                   675 
772 # Define test_maps test runner.                   676 # Define test_maps test runner.
773 TRUNNER_TESTS_DIR := map_tests                    677 TRUNNER_TESTS_DIR := map_tests
774 TRUNNER_BPF_PROGS_DIR := progs                    678 TRUNNER_BPF_PROGS_DIR := progs
775 TRUNNER_EXTRA_SOURCES := test_maps.c              679 TRUNNER_EXTRA_SOURCES := test_maps.c
776 TRUNNER_EXTRA_FILES :=                            680 TRUNNER_EXTRA_FILES :=
777 TRUNNER_BPF_BUILD_RULE := $$(error no BPF obje    681 TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built)
778 TRUNNER_BPF_CFLAGS :=                             682 TRUNNER_BPF_CFLAGS :=
779 $(eval $(call DEFINE_TEST_RUNNER,test_maps))      683 $(eval $(call DEFINE_TEST_RUNNER,test_maps))
780                                                   684 
781 # Define test_verifier test runner.               685 # Define test_verifier test runner.
782 # It is much simpler than test_maps/test_progs    686 # It is much simpler than test_maps/test_progs and sufficiently different from
783 # them (e.g., test.h is using completely patte    687 # them (e.g., test.h is using completely pattern), that it's worth just
784 # explicitly defining all the rules explicitly    688 # explicitly defining all the rules explicitly.
785 verifier/tests.h: verifier/*.c                    689 verifier/tests.h: verifier/*.c
786         $(shell ( cd verifier/; \                 690         $(shell ( cd verifier/; \
787                   echo '/* Generated header, d    691                   echo '/* Generated header, do not edit */'; \
788                   echo '#ifdef FILL_ARRAY'; \     692                   echo '#ifdef FILL_ARRAY'; \
789                   ls *.c 2> /dev/null | sed -e    693                   ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \
790                   echo '#endif' \                 694                   echo '#endif' \
791                 ) > verifier/tests.h)             695                 ) > verifier/tests.h)
792 $(OUTPUT)/test_verifier: test_verifier.c verif    696 $(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT)
793         $(call msg,BINARY,,$@)                    697         $(call msg,BINARY,,$@)
794         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %    698         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
795                                                   699 
796 # Include find_bit.c to compile xskxceiver.       700 # Include find_bit.c to compile xskxceiver.
797 EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c           701 EXTRA_SRC := $(TOOLSDIR)/lib/find_bit.c
798 $(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver.    702 $(OUTPUT)/xskxceiver: $(EXTRA_SRC) xskxceiver.c xskxceiver.h $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xsk_xdp_progs.skel.h $(BPFOBJ) | $(OUTPUT)
799         $(call msg,BINARY,,$@)                    703         $(call msg,BINARY,,$@)
800         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %    704         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
801                                                   705 
802 $(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $    706 $(OUTPUT)/xdp_hw_metadata: xdp_hw_metadata.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xsk.o $(OUTPUT)/xdp_hw_metadata.skel.h | $(OUTPUT)
803         $(call msg,BINARY,,$@)                    707         $(call msg,BINARY,,$@)
804         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %    708         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
805                                                   709 
806 $(OUTPUT)/xdp_features: xdp_features.c $(OUTPU    710 $(OUTPUT)/xdp_features: xdp_features.c $(OUTPUT)/network_helpers.o $(OUTPUT)/xdp_features.skel.h | $(OUTPUT)
807         $(call msg,BINARY,,$@)                    711         $(call msg,BINARY,,$@)
808         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %    712         $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
809                                                   713 
810 # Make sure we are able to include and link li    714 # Make sure we are able to include and link libbpf against c++.
811 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/tes    715 $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ)
812         $(call msg,CXX,,$@)                       716         $(call msg,CXX,,$@)
813         $(Q)$(CXX) $(subst -D_GNU_SOURCE=,,$(C    717         $(Q)$(CXX) $(subst -D_GNU_SOURCE=,,$(CFLAGS)) $(filter %.a %.o %.cpp,$^) $(LDLIBS) -o $@
814                                                   718 
815 # Benchmark runner                                719 # Benchmark runner
816 $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h     720 $(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h $(BPFOBJ)
817         $(call msg,CC,,$@)                        721         $(call msg,CC,,$@)
818         $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %.    722         $(Q)$(CC) $(CFLAGS) -O2 -c $(filter %.c,$^) $(LDLIBS) -o $@
819 $(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overh    723 $(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h
820 $(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_b    724 $(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h
821 $(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_    725 $(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \
822                             $(OUTPUT)/perfbuf_    726                             $(OUTPUT)/perfbuf_bench.skel.h
823 $(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/    727 $(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/bloom_filter_bench.skel.h
824 $(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop    728 $(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop_bench.skel.h
825 $(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_b    729 $(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_bench.skel.h
826 $(OUTPUT)/bench_bpf_hashmap_full_update.o: $(O    730 $(OUTPUT)/bench_bpf_hashmap_full_update.o: $(OUTPUT)/bpf_hashmap_full_update_bench.skel.h
827 $(OUTPUT)/bench_local_storage.o: $(OUTPUT)/loc    731 $(OUTPUT)/bench_local_storage.o: $(OUTPUT)/local_storage_bench.skel.h
828 $(OUTPUT)/bench_local_storage_rcu_tasks_trace.    732 $(OUTPUT)/bench_local_storage_rcu_tasks_trace.o: $(OUTPUT)/local_storage_rcu_tasks_trace_bench.skel.h
829 $(OUTPUT)/bench_local_storage_create.o: $(OUTP    733 $(OUTPUT)/bench_local_storage_create.o: $(OUTPUT)/bench_local_storage_create.skel.h
830 $(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT    734 $(OUTPUT)/bench_bpf_hashmap_lookup.o: $(OUTPUT)/bpf_hashmap_lookup.skel.h
831 $(OUTPUT)/bench_htab_mem.o: $(OUTPUT)/htab_mem    735 $(OUTPUT)/bench_htab_mem.o: $(OUTPUT)/htab_mem_bench.skel.h
832 $(OUTPUT)/bench_bpf_crypto.o: $(OUTPUT)/crypto    736 $(OUTPUT)/bench_bpf_crypto.o: $(OUTPUT)/crypto_bench.skel.h
833 $(OUTPUT)/bench.o: bench.h testing_helpers.h $    737 $(OUTPUT)/bench.o: bench.h testing_helpers.h $(BPFOBJ)
834 $(OUTPUT)/bench: LDLIBS += -lm                    738 $(OUTPUT)/bench: LDLIBS += -lm
835 $(OUTPUT)/bench: $(OUTPUT)/bench.o \              739 $(OUTPUT)/bench: $(OUTPUT)/bench.o \
836                  $(TESTING_HELPERS) \             740                  $(TESTING_HELPERS) \
837                  $(TRACE_HELPERS) \               741                  $(TRACE_HELPERS) \
838                  $(CGROUP_HELPERS) \              742                  $(CGROUP_HELPERS) \
839                  $(OUTPUT)/bench_count.o \        743                  $(OUTPUT)/bench_count.o \
840                  $(OUTPUT)/bench_rename.o \       744                  $(OUTPUT)/bench_rename.o \
841                  $(OUTPUT)/bench_trigger.o \      745                  $(OUTPUT)/bench_trigger.o \
842                  $(OUTPUT)/bench_ringbufs.o \     746                  $(OUTPUT)/bench_ringbufs.o \
843                  $(OUTPUT)/bench_bloom_filter_    747                  $(OUTPUT)/bench_bloom_filter_map.o \
844                  $(OUTPUT)/bench_bpf_loop.o \     748                  $(OUTPUT)/bench_bpf_loop.o \
845                  $(OUTPUT)/bench_strncmp.o \      749                  $(OUTPUT)/bench_strncmp.o \
846                  $(OUTPUT)/bench_bpf_hashmap_f    750                  $(OUTPUT)/bench_bpf_hashmap_full_update.o \
847                  $(OUTPUT)/bench_local_storage    751                  $(OUTPUT)/bench_local_storage.o \
848                  $(OUTPUT)/bench_local_storage    752                  $(OUTPUT)/bench_local_storage_rcu_tasks_trace.o \
849                  $(OUTPUT)/bench_bpf_hashmap_l    753                  $(OUTPUT)/bench_bpf_hashmap_lookup.o \
850                  $(OUTPUT)/bench_local_storage    754                  $(OUTPUT)/bench_local_storage_create.o \
851                  $(OUTPUT)/bench_htab_mem.o \     755                  $(OUTPUT)/bench_htab_mem.o \
852                  $(OUTPUT)/bench_bpf_crypto.o     756                  $(OUTPUT)/bench_bpf_crypto.o \
853                  #                                757                  #
854         $(call msg,BINARY,,$@)                    758         $(call msg,BINARY,,$@)
855         $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte    759         $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
856                                                   760 
857 $(OUTPUT)/veristat.o: $(BPFOBJ)                   761 $(OUTPUT)/veristat.o: $(BPFOBJ)
858 $(OUTPUT)/veristat: $(OUTPUT)/veristat.o          762 $(OUTPUT)/veristat: $(OUTPUT)/veristat.o
859         $(call msg,BINARY,,$@)                    763         $(call msg,BINARY,,$@)
860         $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filte    764         $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
861                                                   765 
862 # Linking uprobe_multi can fail due to relocat    766 # Linking uprobe_multi can fail due to relocation overflows on mips.
863 $(OUTPUT)/uprobe_multi: CFLAGS += $(if $(filte    767 $(OUTPUT)/uprobe_multi: CFLAGS += $(if $(filter mips, $(ARCH)),-mxgot)
864 $(OUTPUT)/uprobe_multi: uprobe_multi.c uprobe_ !! 768 $(OUTPUT)/uprobe_multi: uprobe_multi.c
865         $(call msg,BINARY,,$@)                    769         $(call msg,BINARY,,$@)
866         $(Q)$(CC) $(CFLAGS) -Wl,-T,uprobe_mult !! 770         $(Q)$(CC) $(CFLAGS) -O0 $(LDFLAGS) $^ $(LDLIBS) -o $@
867                 $(filter-out %.ld,$^) $(LDLIBS << 
868                                                   771 
869 EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_D    772 EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_DIR)                       \
870         prog_tests/tests.h map_tests/tests.h v    773         prog_tests/tests.h map_tests/tests.h verifier/tests.h           \
871         feature bpftool                        !! 774         feature bpftool                                                 \
872         $(addprefix $(OUTPUT)/,*.o *.d *.skel. !! 775         $(addprefix $(OUTPUT)/,*.o *.skel.h *.lskel.h *.subskel.h       \
873                                no_alu32 cpuv4     776                                no_alu32 cpuv4 bpf_gcc bpf_testmod.ko    \
874                                bpf_test_no_cfi    777                                bpf_test_no_cfi.ko                       \
875                                bpf_test_modord !! 778                                liburandom_read.so)
876                                bpf_test_modord << 
877                                liburandom_read << 
878         $(OUTPUT)/FEATURE-DUMP.selftests       << 
879                                                   779 
880 .PHONY: docs docs-clean                           780 .PHONY: docs docs-clean
881                                                   781 
882 # Delete partially updated (corrupted) files o    782 # Delete partially updated (corrupted) files on error
883 .DELETE_ON_ERROR:                                 783 .DELETE_ON_ERROR:
884                                                   784 
885 DEFAULT_INSTALL_RULE := $(INSTALL_RULE)           785 DEFAULT_INSTALL_RULE := $(INSTALL_RULE)
886 override define INSTALL_RULE                      786 override define INSTALL_RULE
887         $(DEFAULT_INSTALL_RULE)                   787         $(DEFAULT_INSTALL_RULE)
888         @for DIR in $(TEST_INST_SUBDIRS); do      788         @for DIR in $(TEST_INST_SUBDIRS); do              \
889                 mkdir -p $(INSTALL_PATH)/$$DIR    789                 mkdir -p $(INSTALL_PATH)/$$DIR;   \
890                 rsync -a $(OUTPUT)/$$DIR/*.bpf    790                 rsync -a $(OUTPUT)/$$DIR/*.bpf.o $(INSTALL_PATH)/$$DIR;\
891         done                                      791         done
892 endef                                             792 endef
                                                      

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