612 lines
14 KiB
C
612 lines
14 KiB
C
/* size.c -- report size of various sections of an executable file.
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Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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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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/* Extensions/incompatibilities:
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o - BSD output has filenames at the end.
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o - BSD output can appear in different radicies.
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o - SysV output has less redundant whitespace. Filename comes at end.
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o - SysV output doesn't show VMA which is always the same as the PMA.
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o - We also handle core files.
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o - We also handle archives.
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If you write shell scripts which manipulate this info then you may be
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out of luck; there's no --compatibility or --pedantic option. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libiberty.h"
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#include "getopt.h"
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#include "bucomm.h"
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#ifndef BSD_DEFAULT
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#define BSD_DEFAULT 1
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#endif
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/* Program options. */
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static enum
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{
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decimal, octal, hex
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}
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radix = decimal;
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/* 0 means use AT&T-style output. */
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static int berkeley_format = BSD_DEFAULT;
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static int show_version = 0;
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static int show_help = 0;
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static int show_totals = 0;
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static int show_common = 0;
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static bfd_size_type common_size;
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static bfd_size_type total_bsssize;
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static bfd_size_type total_datasize;
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static bfd_size_type total_textsize;
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/* Program exit status. */
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static int return_code = 0;
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static char *target = NULL;
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/* Forward declarations. */
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static void display_file (char *);
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static void rprint_number (int, bfd_size_type);
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static void print_sizes (bfd * file);
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static void
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usage (FILE *stream, int status)
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{
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fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
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fprintf (stream, _(" Displays the sizes of sections inside binary files\n"));
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fprintf (stream, _(" If no input file(s) are specified, a.out is assumed\n"));
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fprintf (stream, _(" The options are:\n\
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-A|-B --format={sysv|berkeley} Select output style (default is %s)\n\
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-o|-d|-x --radix={8|10|16} Display numbers in octal, decimal or hex\n\
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-t --totals Display the total sizes (Berkeley only)\n\
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--common Display total size for *COM* syms\n\
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--target=<bfdname> Set the binary file format\n\
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@<file> Read options from <file>\n\
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-h --help Display this information\n\
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-v --version Display the program's version\n\
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\n"),
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#if BSD_DEFAULT
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"berkeley"
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#else
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"sysv"
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#endif
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);
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list_supported_targets (program_name, stream);
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if (REPORT_BUGS_TO[0] && status == 0)
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fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
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exit (status);
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}
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#define OPTION_FORMAT (200)
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#define OPTION_RADIX (OPTION_FORMAT + 1)
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#define OPTION_TARGET (OPTION_RADIX + 1)
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static struct option long_options[] =
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{
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{"common", no_argument, &show_common, 1},
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{"format", required_argument, 0, OPTION_FORMAT},
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{"radix", required_argument, 0, OPTION_RADIX},
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{"target", required_argument, 0, OPTION_TARGET},
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{"totals", no_argument, &show_totals, 1},
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{"version", no_argument, &show_version, 1},
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{"help", no_argument, &show_help, 1},
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{0, no_argument, 0, 0}
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};
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int main (int, char **);
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int
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main (int argc, char **argv)
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{
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int temp;
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int c;
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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;
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xmalloc_set_program_name (program_name);
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expandargv (&argc, &argv);
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bfd_init ();
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set_default_bfd_target ();
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while ((c = getopt_long (argc, argv, "ABHhVvdfotx", long_options,
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(int *) 0)) != EOF)
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switch (c)
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{
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case OPTION_FORMAT:
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switch (*optarg)
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{
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case 'B':
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case 'b':
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berkeley_format = 1;
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break;
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case 'S':
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case 's':
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berkeley_format = 0;
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break;
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default:
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non_fatal (_("invalid argument to --format: %s"), optarg);
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usage (stderr, 1);
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}
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break;
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case OPTION_TARGET:
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target = optarg;
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break;
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case OPTION_RADIX:
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#ifdef ANSI_LIBRARIES
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temp = strtol (optarg, NULL, 10);
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#else
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temp = atol (optarg);
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#endif
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switch (temp)
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{
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case 10:
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radix = decimal;
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break;
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case 8:
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radix = octal;
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break;
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case 16:
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radix = hex;
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break;
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default:
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non_fatal (_("Invalid radix: %s\n"), optarg);
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usage (stderr, 1);
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}
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break;
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case 'A':
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berkeley_format = 0;
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break;
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case 'B':
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berkeley_format = 1;
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break;
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case 'v':
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case 'V':
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show_version = 1;
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break;
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case 'd':
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radix = decimal;
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break;
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case 'x':
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radix = hex;
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break;
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case 'o':
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radix = octal;
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break;
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case 't':
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show_totals = 1;
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break;
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case 'f': /* FIXME : For sysv68, `-f' means `full format', i.e.
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`[fname:] M(.text) + N(.data) + O(.bss) + P(.comment) = Q'
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where `fname: ' appears only if there are >= 2 input files,
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and M, N, O, P, Q are expressed in decimal by default,
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hexa or octal if requested by `-x' or `-o'.
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Just to make things interesting, Solaris also accepts -f,
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which prints out the size of each allocatable section, the
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name of the section, and the total of the section sizes. */
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/* For the moment, accept `-f' silently, and ignore it. */
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break;
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case 0:
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break;
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case 'h':
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case 'H':
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case '?':
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usage (stderr, 1);
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}
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if (show_version)
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print_version ("size");
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if (show_help)
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usage (stdout, 0);
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if (optind == argc)
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display_file ("a.out");
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else
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for (; optind < argc;)
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display_file (argv[optind++]);
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if (show_totals && berkeley_format)
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{
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bfd_size_type total = total_textsize + total_datasize + total_bsssize;
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rprint_number (7, total_textsize);
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putchar('\t');
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rprint_number (7, total_datasize);
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putchar('\t');
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rprint_number (7, total_bsssize);
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printf (((radix == octal) ? "\t%7lo\t%7lx\t" : "\t%7lu\t%7lx\t"),
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(unsigned long) total, (unsigned long) total);
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fputs ("(TOTALS)\n", stdout);
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}
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return return_code;
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}
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/* Total size required for common symbols in ABFD. */
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static void
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calculate_common_size (bfd *abfd)
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{
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asymbol **syms = NULL;
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long storage, symcount;
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common_size = 0;
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if ((bfd_get_file_flags (abfd) & (EXEC_P | DYNAMIC | HAS_SYMS)) != HAS_SYMS)
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return;
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storage = bfd_get_symtab_upper_bound (abfd);
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if (storage < 0)
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bfd_fatal (bfd_get_filename (abfd));
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if (storage)
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syms = xmalloc (storage);
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symcount = bfd_canonicalize_symtab (abfd, syms);
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if (symcount < 0)
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bfd_fatal (bfd_get_filename (abfd));
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while (--symcount >= 0)
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{
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asymbol *sym = syms[symcount];
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if (bfd_is_com_section (sym->section)
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&& (sym->flags & BSF_SECTION_SYM) == 0)
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common_size += sym->value;
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}
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free (syms);
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}
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/* Display stats on file or archive member ABFD. */
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static void
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display_bfd (bfd *abfd)
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{
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char **matching;
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if (bfd_check_format (abfd, bfd_archive))
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/* An archive within an archive. */
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return;
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if (bfd_check_format_matches (abfd, bfd_object, &matching))
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{
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print_sizes (abfd);
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printf ("\n");
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return;
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}
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if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
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{
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bfd_nonfatal (bfd_get_filename (abfd));
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list_matching_formats (matching);
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free (matching);
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return_code = 3;
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return;
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}
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if (bfd_check_format_matches (abfd, bfd_core, &matching))
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{
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const char *core_cmd;
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print_sizes (abfd);
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fputs (" (core file", stdout);
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core_cmd = bfd_core_file_failing_command (abfd);
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if (core_cmd)
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printf (" invoked as %s", core_cmd);
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puts (")\n");
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return;
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}
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bfd_nonfatal (bfd_get_filename (abfd));
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if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
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{
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list_matching_formats (matching);
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free (matching);
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}
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return_code = 3;
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}
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static void
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display_archive (bfd *file)
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{
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bfd *arfile = (bfd *) NULL;
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bfd *last_arfile = (bfd *) NULL;
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for (;;)
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{
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bfd_set_error (bfd_error_no_error);
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arfile = bfd_openr_next_archived_file (file, arfile);
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if (arfile == NULL)
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{
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if (bfd_get_error () != bfd_error_no_more_archived_files)
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{
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bfd_nonfatal (bfd_get_filename (file));
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return_code = 2;
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}
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break;
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}
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display_bfd (arfile);
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if (last_arfile != NULL)
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bfd_close (last_arfile);
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last_arfile = arfile;
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}
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if (last_arfile != NULL)
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bfd_close (last_arfile);
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}
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static void
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display_file (char *filename)
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{
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bfd *file;
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if (get_file_size (filename) < 1)
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{
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return_code = 1;
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return;
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}
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file = bfd_openr (filename, target);
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if (file == NULL)
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{
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bfd_nonfatal (filename);
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return_code = 1;
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return;
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}
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if (bfd_check_format (file, bfd_archive))
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display_archive (file);
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else
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display_bfd (file);
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if (!bfd_close (file))
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{
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bfd_nonfatal (filename);
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return_code = 1;
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return;
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}
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}
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static int
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size_number (bfd_size_type num)
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{
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char buffer[40];
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sprintf (buffer,
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(radix == decimal ? "%" BFD_VMA_FMT "u" :
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((radix == octal) ? "0%" BFD_VMA_FMT "o" : "0x%" BFD_VMA_FMT "x")),
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num);
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return strlen (buffer);
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}
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static void
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rprint_number (int width, bfd_size_type num)
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{
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char buffer[40];
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sprintf (buffer,
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(radix == decimal ? "%" BFD_VMA_FMT "u" :
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((radix == octal) ? "0%" BFD_VMA_FMT "o" : "0x%" BFD_VMA_FMT "x")),
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num);
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printf ("%*s", width, buffer);
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}
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static bfd_size_type bsssize;
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static bfd_size_type datasize;
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static bfd_size_type textsize;
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static void
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berkeley_sum (bfd *abfd ATTRIBUTE_UNUSED, sec_ptr sec,
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void *ignore ATTRIBUTE_UNUSED)
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{
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flagword flags;
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bfd_size_type size;
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flags = bfd_get_section_flags (abfd, sec);
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if ((flags & SEC_ALLOC) == 0)
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return;
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size = bfd_get_section_size (sec);
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if ((flags & SEC_CODE) != 0 || (flags & SEC_READONLY) != 0)
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textsize += size;
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else if ((flags & SEC_HAS_CONTENTS) != 0)
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datasize += size;
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else
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bsssize += size;
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}
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static void
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print_berkeley_format (bfd *abfd)
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{
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static int files_seen = 0;
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bfd_size_type total;
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bsssize = 0;
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datasize = 0;
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textsize = 0;
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bfd_map_over_sections (abfd, berkeley_sum, NULL);
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bsssize += common_size;
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if (files_seen++ == 0)
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puts ((radix == octal) ? " text\t data\t bss\t oct\t hex\tfilename" :
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" text\t data\t bss\t dec\t hex\tfilename");
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total = textsize + datasize + bsssize;
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if (show_totals)
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{
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total_textsize += textsize;
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total_datasize += datasize;
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total_bsssize += bsssize;
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}
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rprint_number (7, textsize);
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putchar ('\t');
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rprint_number (7, datasize);
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putchar ('\t');
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rprint_number (7, bsssize);
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printf (((radix == octal) ? "\t%7lo\t%7lx\t" : "\t%7lu\t%7lx\t"),
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(unsigned long) total, (unsigned long) total);
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fputs (bfd_get_filename (abfd), stdout);
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if (bfd_my_archive (abfd))
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printf (" (ex %s)", bfd_get_filename (bfd_my_archive (abfd)));
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}
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/* I REALLY miss lexical functions! */
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bfd_size_type svi_total = 0;
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bfd_vma svi_maxvma = 0;
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int svi_namelen = 0;
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int svi_vmalen = 0;
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int svi_sizelen = 0;
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static void
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sysv_internal_sizer (bfd *file ATTRIBUTE_UNUSED, sec_ptr sec,
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void *ignore ATTRIBUTE_UNUSED)
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{
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bfd_size_type size = bfd_section_size (file, sec);
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if ( ! bfd_is_abs_section (sec)
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&& ! bfd_is_com_section (sec)
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&& ! bfd_is_und_section (sec))
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{
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int namelen = strlen (bfd_section_name (file, sec));
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if (namelen > svi_namelen)
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svi_namelen = namelen;
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svi_total += size;
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if (bfd_section_vma (file, sec) > svi_maxvma)
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svi_maxvma = bfd_section_vma (file, sec);
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}
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}
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static void
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sysv_one_line (const char *name, bfd_size_type size, bfd_vma vma)
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{
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printf ("%-*s ", svi_namelen, name);
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rprint_number (svi_sizelen, size);
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printf (" ");
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rprint_number (svi_vmalen, vma);
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printf ("\n");
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}
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static void
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sysv_internal_printer (bfd *file ATTRIBUTE_UNUSED, sec_ptr sec,
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void *ignore ATTRIBUTE_UNUSED)
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{
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bfd_size_type size = bfd_section_size (file, sec);
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if ( ! bfd_is_abs_section (sec)
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&& ! bfd_is_com_section (sec)
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&& ! bfd_is_und_section (sec))
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{
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svi_total += size;
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sysv_one_line (bfd_section_name (file, sec),
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size,
|
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bfd_section_vma (file, sec));
|
||
}
|
||
}
|
||
|
||
static void
|
||
print_sysv_format (bfd *file)
|
||
{
|
||
/* Size all of the columns. */
|
||
svi_total = 0;
|
||
svi_maxvma = 0;
|
||
svi_namelen = 0;
|
||
bfd_map_over_sections (file, sysv_internal_sizer, NULL);
|
||
if (show_common)
|
||
{
|
||
if (svi_namelen < (int) sizeof ("*COM*") - 1)
|
||
svi_namelen = sizeof ("*COM*") - 1;
|
||
svi_total += common_size;
|
||
}
|
||
|
||
svi_vmalen = size_number ((bfd_size_type)svi_maxvma);
|
||
|
||
if ((size_t) svi_vmalen < sizeof ("addr") - 1)
|
||
svi_vmalen = sizeof ("addr")-1;
|
||
|
||
svi_sizelen = size_number (svi_total);
|
||
if ((size_t) svi_sizelen < sizeof ("size") - 1)
|
||
svi_sizelen = sizeof ("size")-1;
|
||
|
||
svi_total = 0;
|
||
printf ("%s ", bfd_get_filename (file));
|
||
|
||
if (bfd_my_archive (file))
|
||
printf (" (ex %s)", bfd_get_filename (bfd_my_archive (file)));
|
||
|
||
printf (":\n%-*s %*s %*s\n", svi_namelen, "section",
|
||
svi_sizelen, "size", svi_vmalen, "addr");
|
||
|
||
bfd_map_over_sections (file, sysv_internal_printer, NULL);
|
||
if (show_common)
|
||
{
|
||
svi_total += common_size;
|
||
sysv_one_line ("*COM*", common_size, 0);
|
||
}
|
||
|
||
printf ("%-*s ", svi_namelen, "Total");
|
||
rprint_number (svi_sizelen, svi_total);
|
||
printf ("\n\n");
|
||
}
|
||
|
||
static void
|
||
print_sizes (bfd *file)
|
||
{
|
||
if (show_common)
|
||
calculate_common_size (file);
|
||
if (berkeley_format)
|
||
print_berkeley_format (file);
|
||
else
|
||
print_sysv_format (file);
|
||
}
|