1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 include ../scripts/Makefile.include !! 2 prefix = /usr
3 <<
4 prefix ?= /usr/local <<
5 3
>> 4 CC = gcc
6 LEX = flex 5 LEX = flex
7 YACC = bison 6 YACC = bison
8 MAKE = make 7 MAKE = make
9 INSTALL ?= install <<
10 8
11 CFLAGS += -Wall -O2 9 CFLAGS += -Wall -O2
12 CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/ !! 10 CFLAGS += -D__EXPORTED_HEADERS__ -I../../include/uapi -I../../include
13 -I$(srctree)/tools/include <<
14 11
15 # This will work when bpf is built in tools en <<
16 # isn't set and when invoked from selftests bu <<
17 # is set to ".". building_out_of_srctree is un <<
18 # builds <<
19 ifeq ($(srctree),) 12 ifeq ($(srctree),)
20 update_srctree := 1 <<
21 endif <<
22 ifndef building_out_of_srctree <<
23 update_srctree := 1 <<
24 endif <<
25 ifeq ($(update_srctree),1) <<
26 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 13 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
27 srctree := $(patsubst %/,%,$(dir $(srctree))) 14 srctree := $(patsubst %/,%,$(dir $(srctree)))
28 endif 15 endif
29 16
30 ifeq ($(V),1) <<
31 Q = <<
32 else <<
33 Q = @ <<
34 endif <<
35 <<
36 FEATURE_USER = .bpf 17 FEATURE_USER = .bpf
37 FEATURE_TESTS = libbfd disassembler-four-args !! 18 FEATURE_TESTS = libbfd disassembler-four-args
38 FEATURE_DISPLAY = libbfd !! 19 FEATURE_DISPLAY = libbfd disassembler-four-args
39 20
40 check_feat := 1 21 check_feat := 1
41 NON_CHECK_FEAT_TARGETS := clean bpftool_clean !! 22 NON_CHECK_FEAT_TARGETS := clean bpftool_clean
42 ifdef MAKECMDGOALS 23 ifdef MAKECMDGOALS
43 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$ 24 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$(MAKECMDGOALS)),)
44 check_feat := 0 25 check_feat := 0
45 endif 26 endif
46 endif 27 endif
47 28
48 ifeq ($(check_feat),1) 29 ifeq ($(check_feat),1)
49 ifeq ($(FEATURES_DUMP),) 30 ifeq ($(FEATURES_DUMP),)
50 include $(srctree)/tools/build/Makefile.featur 31 include $(srctree)/tools/build/Makefile.feature
51 else 32 else
52 include $(FEATURES_DUMP) 33 include $(FEATURES_DUMP)
53 endif 34 endif
54 endif 35 endif
55 36
56 ifeq ($(feature-disassembler-four-args), 1) 37 ifeq ($(feature-disassembler-four-args), 1)
57 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 38 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
58 endif 39 endif
59 ifeq ($(feature-disassembler-init-styled), 1) <<
60 CFLAGS += -DDISASM_INIT_STYLED <<
61 endif <<
62 40
63 $(OUTPUT)%.yacc.c: $(srctree)/tools/bpf/%.y !! 41 %.yacc.c: %.y
64 $(QUIET_BISON)$(YACC) -o $@ -d $< !! 42 $(YACC) -o $@ -d $<
65 43
66 $(OUTPUT)%.lex.c: $(srctree)/tools/bpf/%.l !! 44 %.lex.c: %.l
67 $(QUIET_FLEX)$(LEX) -o $@ $< !! 45 $(LEX) -o $@ $<
68 <<
69 $(OUTPUT)%.o: $(srctree)/tools/bpf/%.c <<
70 $(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $< <<
71 <<
72 $(OUTPUT)%.yacc.o: $(OUTPUT)%.yacc.c <<
73 $(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $< <<
74 $(OUTPUT)%.lex.o: $(OUTPUT)%.lex.c <<
75 $(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $< <<
76 <<
77 PROGS = $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_d <<
78 <<
79 all: $(PROGS) bpftool runqslower <<
80 <<
81 $(OUTPUT)bpf_jit_disasm: CFLAGS += -DPACKAGE=' <<
82 $(OUTPUT)bpf_jit_disasm: $(OUTPUT)bpf_jit_disa <<
83 $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ <<
84 <<
85 $(OUTPUT)bpf_dbg: $(OUTPUT)bpf_dbg.o <<
86 $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ <<
87 <<
88 $(OUTPUT)bpf_asm: $(OUTPUT)bpf_asm.o $(OUTPUT) <<
89 $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ <<
90 <<
91 $(OUTPUT)bpf_exp.lex.c: $(OUTPUT)bpf_exp.yacc. <<
92 $(OUTPUT)bpf_exp.yacc.o: $(OUTPUT)bpf_exp.yacc <<
93 $(OUTPUT)bpf_exp.lex.o: $(OUTPUT)bpf_exp.lex.c <<
94 <<
95 clean: bpftool_clean runqslower_clean resolve_ <<
96 $(call QUIET_CLEAN, bpf-progs) <<
97 $(Q)$(RM) -r -- $(OUTPUT)*.o $(OUTPUT) <<
98 $(OUTPUT)bpf_asm $(OUTPUT)bpf_e <<
99 $(call QUIET_CLEAN, core-gen) <<
100 $(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpf <<
101 $(Q)$(RM) -r -- $(OUTPUT)feature <<
102 <<
103 install: $(PROGS) bpftool_install <<
104 $(call QUIET_INSTALL, bpf_jit_disasm) <<
105 $(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$( <<
106 $(Q)$(INSTALL) $(OUTPUT)bpf_jit_disasm <<
107 $(call QUIET_INSTALL, bpf_dbg) <<
108 $(Q)$(INSTALL) $(OUTPUT)bpf_dbg $(DEST <<
109 $(call QUIET_INSTALL, bpf_asm) <<
110 $(Q)$(INSTALL) $(OUTPUT)bpf_asm $(DEST <<
111 46
112 bpftool: !! 47 all: bpf_jit_disasm bpf_dbg bpf_asm bpftool
113 $(call descend,bpftool) <<
114 48
115 bpftool_install: !! 49 bpf_jit_disasm : CFLAGS += -DPACKAGE='bpf_jit_disasm'
116 $(call descend,bpftool,install) !! 50 bpf_jit_disasm : LDLIBS = -lopcodes -lbfd -ldl
>> 51 bpf_jit_disasm : bpf_jit_disasm.o
117 52
118 bpftool_clean: !! 53 bpf_dbg : LDLIBS = -lreadline
119 $(call descend,bpftool,clean) !! 54 bpf_dbg : bpf_dbg.o
120 55
121 runqslower: !! 56 bpf_asm : LDLIBS =
122 $(call descend,runqslower) !! 57 bpf_asm : bpf_asm.o bpf_exp.yacc.o bpf_exp.lex.o
>> 58 bpf_exp.lex.o : bpf_exp.yacc.c
123 59
124 runqslower_clean: !! 60 clean: bpftool_clean
125 $(call descend,runqslower,clean) !! 61 rm -rf *.o bpf_jit_disasm bpf_dbg bpf_asm bpf_exp.yacc.* bpf_exp.lex.*
126 62
127 resolve_btfids: !! 63 install: bpftool_install
128 $(call descend,resolve_btfids) !! 64 install bpf_jit_disasm $(prefix)/bin/bpf_jit_disasm
>> 65 install bpf_dbg $(prefix)/bin/bpf_dbg
>> 66 install bpf_asm $(prefix)/bin/bpf_asm
>> 67
>> 68 bpftool:
>> 69 $(MAKE) -C bpftool
129 70
130 resolve_btfids_clean: !! 71 bpftool_install:
131 $(call descend,resolve_btfids,clean) !! 72 $(MAKE) -C bpftool install
>> 73
>> 74 bpftool_clean:
>> 75 $(MAKE) -C bpftool clean
132 76
133 .PHONY: all install clean bpftool bpftool_inst !! 77 .PHONY: bpftool FORCE
134 runqslower runqslower_clean \ <<
135 resolve_btfids resolve_btfids_clean <<
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