# Copyright 2021 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/config/android/rules.gni")

unwind_table_asset_v2_filename = "unwind_cfi_32_v2"

_dump_syms_target =
    "//third_party/breakpad:dump_syms($host_system_allocator_toolchain)"
_dump_syms = get_label_info(_dump_syms_target, "root_out_dir") + "/dump_syms"
_readobj_path = "$clang_base_path/bin/llvm-readobj"

template("unwind_table_v2") {
  action(target_name) {
    forward_variables_from(invoker, TESTONLY_AND_VISIBILITY)
    _output_path =
        "$target_out_dir/$target_name/$unwind_table_asset_v2_filename"

    # Strip the "lib" prefix, if present. Add and then remove a space because
    # our ownly tool is "replace all".
    _library_name = get_label_info(invoker.library_target, "name")
    _library_name =
        string_replace(string_replace(" $_library_name", " $shlib_prefix", ""),
                       " ",
                       "")
    _library_path = "$root_out_dir/lib.unstripped/$shlib_prefix$_library_name$shlib_extension"

    script = "//build/android/gyp/create_unwind_table.py"
    outputs = [ _output_path ]
    inputs = [
      _dump_syms,
      _library_path,
    ]
    deps = [
      _dump_syms_target,
      invoker.library_target,
    ]

    args = [
      "--input_path",
      rebase_path(_library_path, root_build_dir),
      "--output_path",
      rebase_path(_output_path, root_build_dir),
      "--dump_syms_path",
      rebase_path(_dump_syms, root_build_dir),
      "--readobj_path",
      rebase_path(_readobj_path, root_build_dir),
    ]
  }
}