57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
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# Copyright (C) 2022 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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load("@bazel_skylib//lib:paths.bzl", "paths")
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load("//build/bazel/rules:prebuilt_file.bzl", "PrebuiltFileInfo")
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def _linker_config_impl(ctx):
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output_file = ctx.actions.declare_file(paths.replace_extension(ctx.file.src.basename, ".pb"))
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args = ctx.actions.args()
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args.add("proto")
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args.add("-s", ctx.file.src.path)
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args.add("-o", output_file.path)
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ctx.actions.run(
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outputs = [output_file],
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inputs = [ctx.file.src],
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executable = ctx.executable._conv_linker_config,
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arguments = [args],
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)
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return [
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DefaultInfo(
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files = depset([output_file]),
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),
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PrebuiltFileInfo(
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src = output_file,
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dir = "etc",
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filename = "linker.config.pb",
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),
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]
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linker_config = rule(
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doc = """
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linker_config generates protobuf file from json file. This protobuf file will
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be used from linkerconfig while generating ld.config.txt. Format of this file
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can be found from
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https://android.googlesource.com/platform/system/linkerconfig/+/master/README.md
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""",
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implementation = _linker_config_impl,
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attrs = {
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"src": attr.label(allow_single_file = [".json"], mandatory = True, doc = "source linker configuration property file"),
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"_conv_linker_config": attr.label(default = "//build/soong/scripts:conv_linker_config", cfg = "exec", executable = True),
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},
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)
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