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1# Copyright (c) Huawei Technologies Co., Ltd. 2021. All rights reserved.
2# Licensed under the Apache License, Version 2.0 (the "License");
3# you may not use this file except in compliance with the License.
4# You may obtain a copy of the License at
5#
6#     http://www.apache.org/licenses/LICENSE-2.0
7#
8# Unless required by applicable law or agreed to in writing, software
9# distributed under the License is distributed on an "AS IS" BASIS,
10# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11# See the License for the specific language governing permissions and
12# limitations under the License.
13
14import("//build/ohos.gni")
15import("//developtools/profiler/device/base/config.gni")
16
17skel_src_dir = "$target_out_dir/src"
18skel_out_dir = "$root_gen_dir/cpp/developtools/profiler/hiebpf/ebpf_skeleton"
19
20config("common_config") {
21  cflags = [
22    "-Wno-unused-command-line-argument",
23    "-Wno-unused-variable",
24    "-Wno-unused-function",
25    "-Wno-gnu-folding-constant",
26    "-fno-omit-frame-pointer",
27    "-mno-omit-leaf-frame-pointer",
28    "-fno-inline",
29    "-fno-optimize-sibling-calls",
30    "-Wno-format",
31    "-Wno-switch",
32    "-Wno-braced-scalar-init",
33    "-fno-common",
34  ]
35  defines = [
36    "__KERNEL__",
37    "BPF_LOGGER_DEBUG",
38    "HH_LOGGER_DEBUG",
39  ]
40  include_dirs = [
41    "$skel_out_dir",
42    "./include",
43    "//third_party/libbpf/src",
44  ]
45}
46
47config("user_common_config") {
48  cflags = [
49    "-g",
50    "-Wno-unknown-attributes",
51    "-Wno-bitwise-op-parentheses",
52    "-Wno-shift-op-parentheses",
53    "-Wno-sign-compare",
54    "-Wno-format",
55  ]
56  include_dirs = []
57  defines = [ "__aarch64__" ]
58}
59
60config("kern_common_config") {
61  cflags = [
62    "-target",
63    "bpf",
64    "-g",
65    "-fno-stack-protector",
66    "-fno-data-sections",
67  ]
68  defines = [ "__aarch64__" ]
69  include_dirs = []
70}
71
72ohos_source_set("hiebpf.bpf") {
73  remove_configs = [ "//build/config/coverage:default_coverage" ]
74  if (use_libfuzzer) {
75    remove_configs += [ "//build/config/sanitizers:default_sanitizer_flags" ]
76  }
77  cflags_c = [ "-fno-lto" ]
78  sources = [ "./src/hiebpf.bpf.c" ]
79  configs = [
80    ":common_config",
81    ":kern_common_config",
82  ]
83  subsystem_name = "${OHOS_PROFILER_SUBSYS_NAME}"
84  part_name = "${OHOS_PROFILER_PART_NAME}"
85  output_name = "hiebpf.bpf.o"
86}
87
88action("gen_bpf_skeleton") {
89  script = "./scripts/gen_skeleton.sh"
90  sources = []
91  outputs = [ "$skel_out_dir/hiebpf.skel.h" ]
92  bpftool_dir = rebase_path("//prebuilts/develop_tools/bpftool/bin/bpftool")
93  skel_src_dir_abs = rebase_path("${skel_src_dir}")
94  skel_out_dir_abs = rebase_path("${skel_out_dir}")
95  args = [
96    bpftool_dir,
97    skel_src_dir_abs,
98    skel_out_dir_abs,
99  ]
100  deps = [ ":hiebpf.bpf" ]
101}
102
103ohos_source_set("hiebpf_source_common") {
104  public_configs = [
105    ":common_config",
106    ":user_common_config",
107    "${OHOS_PROFILER_DIR}/device/base:hiprofiler_test_config",
108  ]
109
110  sources = [
111    "./src/bpf_controller.cpp",
112    "./src/bpf_event_receiver.cpp",
113    "./src/bpf_log_reader.cpp",
114    "./src/command_helper.cpp",
115    "./src/elf_file.cpp",
116    "./src/elf_symbol_info.cpp",
117    "./src/fstrace_args_converter.cpp",
118    "./src/hhlog.cpp",
119    "./src/hiebpf_data_file.cpp",
120    "./src/ipc_unix_socket.cpp",
121    "./src/kernel_symbol_info.cpp",
122    "./src/libbpf_logger.cpp",
123    "./src/maps_info.cpp",
124    "./src/ringbuffer.cpp",
125    "./src/utilities.cpp",
126  ]
127
128  public_deps = [
129    ":gen_bpf_skeleton",
130    "//third_party/bounds_checking_function:libsec_static",
131    "//third_party/libbpf:libbpf",
132  ]
133  subsystem_name = "${OHOS_PROFILER_SUBSYS_NAME}"
134  part_name = "${OHOS_PROFILER_PART_NAME}"
135}
136
137ohos_executable("hiebpf") {
138  sources = [ "./src/hiebpf.cpp" ]  # this is main()
139
140  deps = [ ":hiebpf_source_common" ]
141
142  subsystem_name = "${OHOS_PROFILER_SUBSYS_NAME}"
143  part_name = "${OHOS_PROFILER_PART_NAME}"
144  output_name = "hiebpf"
145}
146
147group("hiebpf_tool") {
148  if (current_toolchain == "//build/toolchain/ohos:ohos_clang_arm64") {
149    if (!is_asan && use_musl) {
150      deps = [
151        ":hiebpf",
152        ":hiebpf.bpf",
153      ]
154    }
155  }
156}
157
158group("hiebpf_all") {
159  testonly = true
160  deps = [
161    ":hiebpf_tool",
162    "test:hiebpf_ut",
163  ]
164}
165