1 # SPDX-License-Identifier: GPL-2.0
2 include ../scripts/Makefile.include
3
4 prefix ?= /usr/local
5
6 LEX = flex
7 YACC = bison
8 MAKE = make
9 INSTALL ?= install
10
11 CFLAGS += -Wall -O2
12 CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/
13 -I$(srctree)/tools/include
14
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 ($(srctree),)
20 update_srctree := 1
21 endif
22 ifndef building_out_of_srctree
23 update_srctree := 1
24 endif
25 ifeq ($(update_srctree),1)
26 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
27 srctree := $(patsubst %/,%,$(dir $(srctree)))
28 endif
29
30 ifeq ($(V),1)
31 Q =
32 else
33 Q = @
34 endif
35
36 FEATURE_USER = .bpf
37 FEATURE_TESTS = libbfd disassembler-four-args
38 FEATURE_DISPLAY = libbfd
39
40 check_feat := 1
41 NON_CHECK_FEAT_TARGETS := clean bpftool_clean
42 ifdef MAKECMDGOALS
43 ifeq ($(filter-out $(NON_CHECK_FEAT_TARGETS),$
44 check_feat := 0
45 endif
46 endif
47
48 ifeq ($(check_feat),1)
49 ifeq ($(FEATURES_DUMP),)
50 include $(srctree)/tools/build/Makefile.featur
51 else
52 include $(FEATURES_DUMP)
53 endif
54 endif
55
56 ifeq ($(feature-disassembler-four-args), 1)
57 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
58 endif
59 ifeq ($(feature-disassembler-init-styled), 1)
60 CFLAGS += -DDISASM_INIT_STYLED
61 endif
62
63 $(OUTPUT)%.yacc.c: $(srctree)/tools/bpf/%.y
64 $(QUIET_BISON)$(YACC) -o $@ -d $<
65
66 $(OUTPUT)%.lex.c: $(srctree)/tools/bpf/%.l
67 $(QUIET_FLEX)$(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
112 bpftool:
113 $(call descend,bpftool)
114
115 bpftool_install:
116 $(call descend,bpftool,install)
117
118 bpftool_clean:
119 $(call descend,bpftool,clean)
120
121 runqslower:
122 $(call descend,runqslower)
123
124 runqslower_clean:
125 $(call descend,runqslower,clean)
126
127 resolve_btfids:
128 $(call descend,resolve_btfids)
129
130 resolve_btfids_clean:
131 $(call descend,resolve_btfids,clean)
132
133 .PHONY: all install clean bpftool bpftool_inst
134 runqslower runqslower_clean \
135 resolve_btfids resolve_btfids_clean
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