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64 lines
2.3 KiB
Plaintext
64 lines
2.3 KiB
Plaintext
# Copyright 2018 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# A fuzzable_proto_library is a proto_library that is the same as any other in
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# non-fuzzer builds (ie: use_libfuzzer=false). However, in fuzzer builds, the
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# proto_library is built with the full protobuf runtime and any "optimize_for =
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# LITE_RUNTIME" options are ignored. This is done because libprotobuf-mutator
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# needs the full protobuf runtime, but proto_libraries shipped in chrome must
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# use the optimize for LITE_RUNTIME option which is incompatible with the full
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# protobuf runtime. tl;dr: A fuzzable_proto_library is a proto_library that can
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# be fuzzed with libprotobuf-mutator and shipped in Chrome.
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import("//testing/libfuzzer/fuzzer_test.gni")
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import("//third_party/protobuf/proto_library.gni")
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template("fuzzable_proto_library") {
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if (use_libfuzzer) {
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proto_library("proto_library_" + target_name) {
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forward_variables_from(invoker, "*")
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assert(current_toolchain == host_toolchain)
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if (!defined(deps)) {
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deps = []
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}
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deps +=
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[ "//third_party/libprotobuf-mutator:override_lite_runtime_plugin" ]
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generator_plugin_label =
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"//third_party/libprotobuf-mutator:override_lite_runtime_plugin"
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generator_plugin_suffix = ".pb"
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# The plugin will generate cc, so don't ask for it to be done by protoc.
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generate_cc = false
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generate_python = false
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}
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# Inspired by proto_library.gni's handling of
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# component_build_force_source_set.
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if (defined(component_build_force_source_set) &&
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component_build_force_source_set && is_component_build) {
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link_target_type = "source_set"
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} else {
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link_target_type = "static_library"
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}
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# By making target a static_library or source_set, we can add protobuf_full
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# to public_deps.
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target(link_target_type, target_name) {
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sources = [
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"//third_party/libprotobuf-mutator/dummy.cc",
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]
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public_deps = [
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":proto_library_" + target_name,
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"//third_party/libprotobuf-mutator:protobuf_full",
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]
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}
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} else {
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# fuzzable_proto_library should behave like a proto_library when
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# !use_libfuzzer.
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proto_library(target_name) {
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forward_variables_from(invoker, "*")
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}
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}
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}
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