xref: /aosp_15_r20/external/bcc/libbpf-tools/Makefile (revision 387f9dfdfa2baef462e92476d413c7bc2470293e) 
1# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
2OUTPUT := $(abspath .output)
3CLANG ?= clang
4LLVM_STRIP ?= llvm-strip
5BPFTOOL_SRC := $(abspath ./bpftool/src)
6BPFTOOL_OUTPUT ?= $(abspath $(OUTPUT)/bpftool)
7BPFTOOL ?= $(BPFTOOL_OUTPUT)/bootstrap/bpftool
8LIBBPF_SRC := $(abspath ../src/cc/libbpf/src)
9LIBBPF_OBJ := $(abspath $(OUTPUT)/libbpf.a)
10LIBBLAZESYM_SRC := $(abspath blazesym/target/release/libblazesym.a)
11INCLUDES := -I$(OUTPUT) -I../src/cc/libbpf/include/uapi
12CFLAGS := -g -O2 -Wall
13BPFCFLAGS := -g -O2 -Wall
14INSTALL ?= install
15prefix ?= /usr/local
16ARCH ?= $(shell uname -m | sed 's/x86_64/x86/' | sed 's/aarch64/arm64/' \
17			 | sed 's/ppc64le/powerpc/' | sed 's/mips.*/mips/' \
18			 | sed 's/riscv64/riscv/' | sed 's/loongarch.*/loongarch/')
19BTFHUB_ARCHIVE ?= $(abspath btfhub-archive)
20ifeq ($(ARCH),x86)
21CARGO ?= $(shell which cargo)
22ifeq ($(strip $(CARGO)),)
23USE_BLAZESYM ?= 0
24else
25USE_BLAZESYM ?= 1
26endif
27endif
28
29ifeq ($(wildcard $(ARCH)/),)
30$(error Architecture $(ARCH) is not supported yet. Please open an issue)
31endif
32
33BZ_APPS = \
34	memleak \
35	opensnoop \
36	#
37
38APPS = \
39	bashreadline \
40	bindsnoop \
41	biolatency \
42	biopattern \
43	biosnoop \
44	biostacks \
45	biotop \
46	bitesize \
47	cachestat \
48	capable \
49	cpudist \
50	cpufreq \
51	drsnoop \
52	execsnoop \
53	exitsnoop \
54	filelife \
55	filetop \
56	fsdist \
57	fsslower \
58	funclatency \
59	gethostlatency \
60	hardirqs \
61	javagc \
62	klockstat \
63	ksnoop \
64	llcstat \
65	mdflush \
66	mountsnoop \
67	numamove \
68	offcputime \
69	oomkill \
70	readahead \
71	runqlat \
72	runqlen \
73	runqslower \
74	sigsnoop \
75	slabratetop \
76	softirqs \
77	solisten \
78	statsnoop \
79	syscount \
80	tcptracer \
81	tcpconnect \
82	tcpconnlat \
83	tcplife \
84	tcppktlat \
85	tcprtt \
86	tcpstates \
87	tcpsynbl \
88	tcptop \
89	vfsstat \
90	wakeuptime \
91	$(BZ_APPS) \
92	#
93
94# export variables that are used in Makefile.btfgen as well.
95export OUTPUT BPFTOOL ARCH BTFHUB_ARCHIVE APPS
96
97FSDIST_ALIASES = btrfsdist ext4dist nfsdist xfsdist
98FSSLOWER_ALIASES = btrfsslower ext4slower nfsslower xfsslower
99SIGSNOOP_ALIAS = killsnoop
100APP_ALIASES = $(FSDIST_ALIASES) $(FSSLOWER_ALIASES) ${SIGSNOOP_ALIAS}
101
102COMMON_OBJ = \
103	$(OUTPUT)/trace_helpers.o \
104	$(OUTPUT)/syscall_helpers.o \
105	$(OUTPUT)/errno_helpers.o \
106	$(OUTPUT)/map_helpers.o \
107	$(OUTPUT)/uprobe_helpers.o \
108	$(OUTPUT)/btf_helpers.o \
109	$(OUTPUT)/compat.o \
110	$(if $(ENABLE_MIN_CORE_BTFS),$(OUTPUT)/min_core_btf_tar.o) \
111	#
112
113ifeq ($(USE_BLAZESYM),1)
114COMMON_OBJ += \
115	$(OUTPUT)/libblazesym.a \
116	$(OUTPUT)/blazesym.h \
117	#
118endif
119
120define allow-override
121  $(if $(or $(findstring environment,$(origin $(1))),\
122            $(findstring command line,$(origin $(1)))),,\
123    $(eval $(1) = $(2)))
124endef
125
126$(call allow-override,CC,$(CROSS_COMPILE)cc)
127$(call allow-override,LD,$(CROSS_COMPILE)ld)
128
129.PHONY: all
130all: $(APPS) $(APP_ALIASES)
131
132ifeq ($(V),1)
133Q =
134msg =
135else
136Q = @
137msg = @printf '  %-8s %s%s\n' "$(1)" "$(notdir $(2))" "$(if $(3), $(3))";
138MAKEFLAGS += --no-print-directory
139endif
140
141ifneq ($(EXTRA_CFLAGS),)
142CFLAGS += $(EXTRA_CFLAGS)
143endif
144ifneq ($(EXTRA_LDFLAGS),)
145LDFLAGS += $(EXTRA_LDFLAGS)
146endif
147ifeq ($(USE_BLAZESYM),1)
148CFLAGS += -DUSE_BLAZESYM=1
149endif
150
151ifeq ($(USE_BLAZESYM),1)
152LDFLAGS += $(OUTPUT)/libblazesym.a -lrt -lpthread -ldl
153endif
154
155.PHONY: clean
156clean:
157	$(call msg,CLEAN)
158	$(Q)rm -rf $(OUTPUT) $(APPS) $(APP_ALIASES)
159
160$(LIBBLAZESYM_SRC)::
161	$(Q)cd blazesym && cargo build --release --features=cheader
162
163$(OUTPUT)/libblazesym.a: $(LIBBLAZESYM_SRC) | $(OUTPUT)
164	$(call msg,LIB,$@)
165	$(Q)cp $(LIBBLAZESYM_SRC) $@
166
167$(OUTPUT)/blazesym.h: $(LIBBLAZESYM_SRC) | $(OUTPUT)
168	$(call msg,INC,$@)
169	$(Q)cp blazesym/target/release/blazesym.h $@
170
171$(OUTPUT) $(OUTPUT)/libbpf $(BPFTOOL_OUTPUT):
172	$(call msg,MKDIR,$@)
173	$(Q)mkdir -p $@
174
175$(BPFTOOL): | $(BPFTOOL_OUTPUT)
176	$(call msg,BPFTOOL,$@)
177	$(Q)$(MAKE) ARCH= CROSS_COMPILE=  OUTPUT=$(BPFTOOL_OUTPUT)/ -C $(BPFTOOL_SRC) bootstrap
178
179$(APPS): %: $(OUTPUT)/%.o $(COMMON_OBJ) $(LIBBPF_OBJ) | $(OUTPUT)
180	$(call msg,BINARY,$@)
181	$(Q)$(CC) $(CFLAGS) $^ $(LDFLAGS) -lelf -lz -o $@
182
183ifeq ($(USE_BLAZESYM),1)
184$(patsubst %,$(OUTPUT)/%.o,$(BZ_APPS)): $(OUTPUT)/blazesym.h
185endif
186
187$(patsubst %,$(OUTPUT)/%.o,$(APPS)): %.o: %.skel.h
188
189$(OUTPUT)/%.o: %.c $(wildcard %.h) $(LIBBPF_OBJ) | $(OUTPUT)
190	$(call msg,CC,$@)
191	$(Q)$(CC) $(CFLAGS) $(INCLUDES) -c $(filter %.c,$^) -o $@
192
193$(OUTPUT)/%.skel.h: $(OUTPUT)/%.bpf.o | $(OUTPUT) $(BPFTOOL)
194	$(call msg,GEN-SKEL,$@)
195	$(Q)$(BPFTOOL) gen skeleton $< > $@
196
197$(OUTPUT)/%.bpf.o: %.bpf.c $(LIBBPF_OBJ) $(wildcard %.h) $(ARCH)/vmlinux.h | $(OUTPUT)
198	$(call msg,BPF,$@)
199	$(Q)$(CLANG) $(BPFCFLAGS) -target bpf -D__TARGET_ARCH_$(ARCH)	      \
200		     -I$(ARCH)/ $(INCLUDES) -c $(filter %.c,$^) -o $@ &&      \
201	$(LLVM_STRIP) -g $@
202
203btfhub-archive: force
204	$(call msg,GIT,$@)
205	$(Q)[ -d "$(BTFHUB_ARCHIVE)" ] || git clone -q https://github.com/aquasecurity/btfhub-archive/ $(BTFHUB_ARCHIVE)
206	$(Q)cd $(BTFHUB_ARCHIVE) && git pull
207
208ifdef ENABLE_MIN_CORE_BTFS
209$(OUTPUT)/min_core_btf_tar.o: $(patsubst %,$(OUTPUT)/%.bpf.o,$(APPS)) btfhub-archive | bpftool
210	$(Q)$(MAKE) -f Makefile.btfgen
211endif
212
213# Build libbpf.a
214$(LIBBPF_OBJ): $(wildcard $(LIBBPF_SRC)/*.[ch]) | $(OUTPUT)/libbpf
215	$(call msg,LIB,$@)
216	$(Q)$(MAKE) -C $(LIBBPF_SRC) BUILD_STATIC_ONLY=1		      \
217		    OBJDIR=$(dir $@)libbpf DESTDIR=$(dir $@)		      \
218		    INCLUDEDIR= LIBDIR= UAPIDIR=			      \
219		    install
220
221$(FSSLOWER_ALIASES): fsslower
222	$(call msg,SYMLINK,$@)
223	$(Q)ln -f -s $^ $@
224
225$(FSDIST_ALIASES): fsdist
226	$(call msg,SYMLINK,$@)
227	$(Q)ln -f -s $^ $@
228
229$(SIGSNOOP_ALIAS): sigsnoop
230	$(call msg,SYMLINK,$@)
231	$(Q)ln -f -s $^ $@
232
233install: $(APPS) $(APP_ALIASES)
234	$(call msg, INSTALL libbpf-tools)
235	$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/bin
236	$(Q)$(INSTALL) $(APPS) $(DESTDIR)$(prefix)/bin
237	$(Q)cp -a $(APP_ALIASES) $(DESTDIR)$(prefix)/bin
238
239.PHONY: force
240force:
241
242# delete failed targets
243.DELETE_ON_ERROR:
244# keep intermediate (.skel.h, .bpf.o, etc) targets
245.SECONDARY:
246