118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
// main.cc -- gold main function.
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// Copyright 2006, 2007 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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#include "gold.h"
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#ifdef HAVE_MALLINFO
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#include <malloc.h>
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#endif
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#include "libiberty.h"
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#include "options.h"
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#include "parameters.h"
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#include "errors.h"
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#include "dirsearch.h"
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#include "workqueue.h"
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#include "object.h"
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#include "symtab.h"
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#include "layout.h"
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using namespace gold;
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int
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main(int argc, char** argv)
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{
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#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
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setlocale (LC_MESSAGES, "");
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#endif
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#if defined (HAVE_SETLOCALE)
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setlocale (LC_CTYPE, "");
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#endif
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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program_name = argv[0];
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Errors errors(program_name);
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// Initialize the global parameters, to let random code get to the
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// errors object.
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initialize_parameters(&errors);
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// Handle the command line options.
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Command_line command_line;
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command_line.process(argc - 1, argv + 1);
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long start_time = 0;
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if (command_line.options().print_stats())
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start_time = get_run_time();
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// Store some options in the globally accessible parameters.
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set_parameters_from_options(&command_line.options());
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// The work queue.
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Workqueue workqueue(command_line.options());
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// The list of input objects.
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Input_objects input_objects;
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// The symbol table. We're going to guess here how many symbols
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// we're going to see based on the number of input files. Even when
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// this is off, it means at worse we don't quite optimize hashtable
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// resizing as well as we could have (perhap using more memory).
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Symbol_table symtab(command_line.number_of_input_files() * 1024);
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// The layout object.
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Layout layout(command_line.options());
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// Get the search path from the -L options.
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Dirsearch search_path;
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search_path.initialize(&workqueue, &command_line.options().search_path());
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// Queue up the first set of tasks.
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queue_initial_tasks(command_line.options(), search_path,
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command_line, &workqueue, &input_objects,
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&symtab, &layout);
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// Run the main task processing loop.
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workqueue.process(0);
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if (command_line.options().print_stats())
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{
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long run_time = get_run_time() - start_time;
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fprintf(stderr, _("%s: total run time: %ld.%06ld seconds\n"),
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program_name, run_time / 1000000, run_time % 1000000);
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#ifdef HAVE_MALLINFO
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struct mallinfo m = mallinfo();
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fprintf(stderr, _("%s: total space allocated by malloc: %d bytes\n"),
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program_name, m.arena);
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#endif
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File_read::print_stats();
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fprintf(stderr, _("%s: output file size: %lld bytes\n"),
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program_name, static_cast<long long>(layout.output_file_size()));
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symtab.print_stats();
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layout.print_stats();
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}
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gold_exit(errors.error_count() == 0);
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}
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