1 // main.cc -- gold main function.
3 // Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
28 #include "libiberty.h"
32 #include "parameters.h"
34 #include "dirsearch.h"
35 #include "workqueue.h"
43 main(int argc
, char** argv
)
45 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
46 setlocale (LC_MESSAGES
, "");
48 #if defined (HAVE_SETLOCALE)
49 setlocale (LC_CTYPE
, "");
51 bindtextdomain (PACKAGE
, LOCALEDIR
);
54 program_name
= argv
[0];
56 Errors
errors(program_name
);
58 // Initialize the global parameters, to let random code get to the
60 initialize_parameters(&errors
);
62 // Options which may be set by the command line or by linker
64 Script_options script_options
;
66 // Handle the command line options.
67 Command_line
command_line(&script_options
);
68 command_line
.process(argc
- 1, argv
+ 1);
71 if (command_line
.options().print_stats())
72 start_time
= get_run_time();
74 // Store some options in the globally accessible parameters.
75 set_parameters_from_options(&command_line
.options());
78 Workqueue
workqueue(command_line
.options());
80 // The list of input objects.
81 Input_objects input_objects
;
83 // The symbol table. We're going to guess here how many symbols
84 // we're going to see based on the number of input files. Even when
85 // this is off, it means at worse we don't quite optimize hashtable
86 // resizing as well as we could have (perhap using more memory).
87 Symbol_table
symtab(command_line
.number_of_input_files() * 1024);
90 Layout
layout(command_line
.options(), &script_options
);
92 // Get the search path from the -L options.
93 Dirsearch search_path
;
94 search_path
.initialize(&workqueue
, &command_line
.options().search_path());
96 // Queue up the first set of tasks.
97 queue_initial_tasks(command_line
.options(), search_path
,
98 command_line
, &workqueue
, &input_objects
,
101 // Run the main task processing loop.
102 workqueue
.process(0);
104 if (command_line
.options().print_stats())
106 long run_time
= get_run_time() - start_time
;
107 fprintf(stderr
, _("%s: total run time: %ld.%06ld seconds\n"),
108 program_name
, run_time
/ 1000000, run_time
% 1000000);
110 struct mallinfo m
= mallinfo();
111 fprintf(stderr
, _("%s: total space allocated by malloc: %d bytes\n"),
112 program_name
, m
.arena
);
114 File_read::print_stats();
115 fprintf(stderr
, _("%s: output file size: %lld bytes\n"),
116 program_name
, static_cast<long long>(layout
.output_file_size()));
117 symtab
.print_stats();
118 layout
.print_stats();
121 gold_exit(errors
.error_count() == 0);