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// main.cc -- gold main function.
// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
// MA 02110-1301, USA.
#include "gold.h"
#ifdef HAVE_MALLINFO
#include <malloc.h>
#endif
#include "libiberty.h"
#include "script.h"
#include "options.h"
#include "parameters.h"
#include "errors.h"
#include "dirsearch.h"
#include "workqueue.h"
#include "object.h"
#include "symtab.h"
#include "layout.h"
using namespace gold;
int
main(int argc, char** argv)
{
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
#endif
#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
program_name = argv[0];
Errors errors(program_name);
// Initialize the global parameters, to let random code get to the
// errors object.
initialize_parameters(&errors);
// Options which may be set by the command line or by linker
// scripts.
Script_options script_options;
// Handle the command line options.
Command_line command_line(&script_options);
command_line.process(argc - 1, argv + 1);
long start_time = 0;
if (command_line.options().print_stats())
start_time = get_run_time();
// Store some options in the globally accessible parameters.
set_parameters_from_options(&command_line.options());
// The work queue.
Workqueue workqueue(command_line.options());
// The list of input objects.
Input_objects input_objects;
// The symbol table. We're going to guess here how many symbols
// we're going to see based on the number of input files. Even when
// this is off, it means at worse we don't quite optimize hashtable
// resizing as well as we could have (perhap using more memory).
Symbol_table symtab(command_line.number_of_input_files() * 1024,
command_line.options().version_script());
// The layout object.
Layout layout(command_line.options(), &script_options);
// Get the search path from the -L options.
Dirsearch search_path;
search_path.initialize(&workqueue, &command_line.options().search_path());
// Queue up the first set of tasks.
queue_initial_tasks(command_line.options(), search_path,
command_line, &workqueue, &input_objects,
&symtab, &layout);
// Run the main task processing loop.
workqueue.process(0);
if (command_line.options().print_stats())
{
long run_time = get_run_time() - start_time;
fprintf(stderr, _("%s: total run time: %ld.%06ld seconds\n"),
program_name, run_time / 1000000, run_time % 1000000);
#ifdef HAVE_MALLINFO
struct mallinfo m = mallinfo();
fprintf(stderr, _("%s: total space allocated by malloc: %d bytes\n"),
program_name, m.arena);
#endif
File_read::print_stats();
fprintf(stderr, _("%s: output file size: %lld bytes\n"),
program_name, static_cast<long long>(layout.output_file_size()));
symtab.print_stats();
layout.print_stats();
}
gold_exit(errors.error_count() == 0);
}
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