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1// Copyright (C) 2020 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package {
16    default_applicable_licenses: ["external_libbpf_license"],
17}
18
19// See: http://go/android-license-faq
20license {
21    name: "external_libbpf_license",
22    visibility: [":__subpackages__"],
23    license_kinds: [
24        "SPDX-license-identifier-BSD-2-Clause",
25        "SPDX-license-identifier-Linux-syscall-note",
26    ],
27    license_text: [
28        "LICENSE.BSD-2-Clause",
29    ],
30}
31
32genrule {
33    name: "libbpf_headers",
34    srcs: [
35        "src/*.h",
36    ],
37    cmd: "mkdir -p $(genDir)/bpf && cp $(in) $(genDir)/bpf/",
38    out: [
39        "bpf/bpf_core_read.h",
40        "bpf/bpf_endian.h",
41        "bpf/bpf.h",
42        "bpf/bpf_helper_defs.h",
43        "bpf/bpf_helpers.h",
44        "bpf/bpf_tracing.h",
45        "bpf/btf.h",
46        "bpf/hashmap.h",
47        "bpf/libbpf_common.h",
48        "bpf/libbpf.h",
49        "bpf/libbpf_internal.h",
50        "bpf/libbpf_legacy.h",
51        "bpf/libbpf_version.h",
52        "bpf/nlattr.h",
53        "bpf/skel_internal.h",
54        "bpf/relo_core.h",
55    ],
56}
57
58cc_library_static {
59    name: "libbpf",
60    defaults: ["elfutils_transitive_defaults"],
61    host_supported: true,
62    srcs: [
63        "src/*.c",
64    ],
65    local_include_dirs: [
66        "android",
67        "include",
68    ],
69    export_include_dirs: [
70        "include/uapi",
71    ],
72    generated_headers: ["libbpf_headers"],
73    export_generated_headers: ["libbpf_headers"],
74    cflags: [
75        "-DCOMPAT_NEED_REALLOCARRAY",
76        "-include android/android.h",
77        "-Wno-constant-conversion",
78        "-Wno-missing-field-initializers",
79        "-Wno-pointer-arith",
80        "-Wno-unused-parameter",
81    ],
82    static_libs: [
83        "libelf",
84        "libz",
85    ],
86    visibility: [
87        "//external/bpftool",
88        "//external/bcc/libbpf-tools",
89        "//external/dwarves",
90        "//external/stg",
91    ],
92    target: {
93        host: {
94            compile_multilib: "64",
95        }
96    }
97}
98
99cc_library {
100    name: "libbpf_minimal",
101    defaults: ["elfutils_transitive_defaults"],
102    vendor_available: true,
103    native_bridge_supported: true,
104    srcs: [
105        "android/bpf_stub.c",
106        "src/bpf.c",
107        "src/libbpf_errno.c",
108        "src/netlink.c",
109        "src/nlattr.c",
110        "src/ringbuf.c",
111    ],
112    local_include_dirs: [
113        "android",
114        "include"
115    ],
116    export_include_dirs: [
117        "include/uapi"
118    ],
119    static_libs: [
120        "libelf",
121    ],
122    generated_headers: ["libbpf_headers"],
123    export_generated_headers: ["libbpf_headers"],
124    cflags: [
125        "-include android/android.h",
126        "-Wno-pointer-arith",
127        "-Wno-unused-parameter",
128    ],
129}
130