| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #include <getopt.h> |
| #include <cstring> |
| #include <fstream> |
| #include <iostream> |
| #include <string> |
| |
| #include "linkerconfig/baseconfig.h" |
| #include "linkerconfig/log.h" |
| #include "linkerconfig/variableloader.h" |
| #include "linkerconfig/variables.h" |
| |
| namespace { |
| const static struct option program_options[] = { |
| {"target", required_argument, 0, 't'}, |
| #ifndef __ANROID__ |
| {"root", required_argument, 0, 'r'}, |
| {"vndk", required_argument, 0, 'v'}, |
| #endif |
| {"help", no_argument, 0, 'h'}, |
| {0, 0, 0, 0}}; |
| |
| struct ProgramArgs { |
| std::string target_file; |
| std::string root; |
| std::string vndk_version; |
| }; |
| |
| [[noreturn]] void PrintUsage(int status = EXIT_SUCCESS) { |
| std::cerr << "Usage : linkerconfig [--target <target_file>]" |
| #ifndef __ANDROID__ |
| " --root <root dir>" |
| " --vndk <vndk version>" |
| #endif |
| " [--help]" |
| << std::endl; |
| exit(status); |
| } |
| |
| bool ParseArgs(int argc, char* argv[], ProgramArgs* args) { |
| int parse_result; |
| while ((parse_result = getopt_long( |
| argc, argv, "t:r:v:h", program_options, NULL)) != -1) { |
| switch (parse_result) { |
| case 't': |
| args->target_file = optarg; |
| break; |
| case 'r': |
| args->root = optarg; |
| break; |
| case 'v': |
| args->vndk_version = optarg; |
| break; |
| case 'h': |
| PrintUsage(); |
| default: |
| return false; |
| } |
| } |
| |
| if (optind < argc) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| android::linkerconfig::modules::Configuration GetConfiguration() { |
| // TODO : Use legacy if needed |
| |
| // TODO : Use vndk lite if needed |
| |
| // TODO : Use recovery if needed |
| |
| // Use base configuration in default |
| return android::linkerconfig::contents::CreateBaseConfiguration(); |
| } |
| |
| #ifdef __ANDROID__ |
| struct CombinedLogger { |
| android::base::LogdLogger logd; |
| |
| void operator()(android::base::LogId id, android::base::LogSeverity severity, |
| const char* tag, const char* file, unsigned int line, |
| const char* message) { |
| logd(id, severity, tag, file, line, message); |
| KernelLogger(id, severity, tag, file, line, message); |
| } |
| }; |
| #endif |
| |
| } // namespace |
| |
| int main(int argc, char* argv[]) { |
| android::base::InitLogging(argv |
| #ifdef __ANDROID__ |
| , |
| CombinedLogger() |
| #endif |
| ); |
| |
| ProgramArgs args; |
| |
| if (!ParseArgs(argc, argv, &args)) { |
| PrintUsage(EXIT_FAILURE); |
| } |
| |
| std::ostream* out = &std::cout; |
| std::ofstream file_out; |
| |
| if (args.target_file != "") { |
| file_out.open(args.target_file); |
| if (file_out.fail()) { |
| PLOG(FATAL) << "Failed to open file " << args.target_file; |
| return EXIT_FAILURE; |
| } |
| out = &file_out; |
| } |
| |
| #ifndef __ANDROID__ |
| if (args.root == "" || args.vndk_version == "") { |
| PrintUsage(); |
| } |
| android::linkerconfig::modules::Variables::AddValue("ro.vndk.version", |
| args.vndk_version); |
| #endif |
| |
| android::linkerconfig::generator::LoadVariables(args.root); |
| auto config = GetConfiguration(); |
| android::linkerconfig::modules::ConfigWriter config_writer; |
| |
| config.WriteConfig(config_writer); |
| *out << config_writer.ToString(); |
| if (!out->good()) { |
| PLOG(FATAL) << "Failed to write content to " << args.target_file; |
| return EXIT_FAILURE; |
| } |
| |
| return EXIT_SUCCESS; |
| } |