# Copyright (C) 2021 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import("//build/ohos.gni")
import("//build/ohos/ndk/ndk.gni")

THIRDPARTY_LIBBPF_SUBSYS_NAME = "thirdparty"
THIRDPARTY_LIBBPF_PART_NAME = "libbpf"

config("libbpf_config") {
  cflags = [
    "-Wno-incompatible-pointer-types",
    "-Wimplicit-function-declaration",
    "-Wno-tautological-constant-out-of-range-compare",
    "-Wno-constant-conversion",
    "-Wno-unknown-attributes",
    "-Wno-bitwise-op-parentheses",
    "-Wno-shift-op-parentheses",
    "-Wno-sign-compare",
    "-Wno-unused-function",
    "-fno-omit-frame-pointer",
    "-mno-omit-leaf-frame-pointer",
    "-fno-inline",
    "-fno-optimize-sibling-calls",
    "-ferror-limit=0",
    "-Wno-unused-variable",
    "-Wno-uninitialized",
  ]
  defines = [ "HAVE_ELFIO" ]
}

config("libbpf_public_config") {
  include_dirs = [
    "./src",
    "./include",
    "./include/uapi",
    "//third_party/zlib",
    "//third_party/elfio/c_wrapper",
    "//third_party/elfio/elfio",
  ]
}

ohos_shared_library("libbpf") {
  branch_protector_ret = "pac_ret"
  deps = [
    "//third_party/elfio:elfio",
    "//third_party/zlib:libz",
  ]
  sources = [
    "./src/bpf.c",
    "./src/bpf.h",
    "./src/bpf_core_read.h",
    "./src/bpf_endian.h",
    "./src/bpf_gen_internal.h",
    "./src/bpf_helper_defs.h",
    "./src/bpf_helpers.h",
    "./src/bpf_prog_linfo.c",
    "./src/bpf_tracing.h",
    "./src/btf.c",
    "./src/btf.h",
    "./src/btf_dump.c",
    "./src/elf.c",
    "./src/gen_loader.c",
    "./src/hashmap.c",
    "./src/hashmap.h",
    "./src/libbpf.c",
    "./src/libbpf.h",
    "./src/libbpf_common.h",
    "./src/libbpf_errno.c",
    "./src/libbpf_internal.h",
    "./src/libbpf_legacy.h",
    "./src/libbpf_probes.c",
    "./src/libbpf_version.h",
    "./src/netlink.c",
    "./src/nlattr.c",
    "./src/nlattr.h",
    "./src/relo_core.c",
    "./src/relo_core.h",
    "./src/ringbuf.c",
    "./src/skel_internal.h",
    "./src/str_error.c",
    "./src/str_error.h",
    "./src/strset.c",
    "./src/strset.h",
    "./src/zip.c",
  ]
  configs = [ ":libbpf_config" ]
  public_configs = [ ":libbpf_public_config" ]
  output_extension = "so"
  subsystem_name = "${THIRDPARTY_LIBBPF_SUBSYS_NAME}"
  part_name = "${THIRDPARTY_LIBBPF_PART_NAME}"
  install_enable = true
  license_file = "LICENSE.BSD-2-Clause"
}