Wolfgang Thallergcc16 merge934c3885 months agoHistory
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/* size.c -- report size of various sections of an executable file.   Copyright (C) 1991-2026 Free Software Foundation, Inc.    This file is part of GNU Binutils.    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.  *//* Extensions/incompatibilities:   o - BSD output has filenames at the end.   o - BSD output can appear in different radicies.   o - SysV output has less redundant whitespace.  Filename comes at end.   o - SysV output doesn't show VMA which is always the same as the PMA.   o - We also handle core files.   o - We also handle archives.   If you write shell scripts which manipulate this info then you may be   out of luck; there's no --compatibility or --pedantic option.  */ #include "sysdep.h"#include "bfd.h"#include "libiberty.h"#include "getopt.h"#include "bucomm.h" #ifndef BSD_DEFAULT#define BSD_DEFAULT 1#endif /* Program options.  */ static enum  {    decimal, octal, hex  }radix = decimal; /* Select the desired output format.  */enum output_format  {   FORMAT_BERKLEY,   FORMAT_SYSV,   FORMAT_GNU  };static enum output_format selected_output_format =#if BSD_DEFAULT  FORMAT_BERKLEY#else  FORMAT_SYSV#endif  ; static int show_version = 0;static int show_help = 0;static int show_totals = 0;static int show_common = 0; static bfd_size_type common_size;static bfd_size_type total_bsssize;static bfd_size_type total_datasize;static bfd_size_type total_textsize; /* Program exit status.  */static int return_code = 0; static char *target = NULL; /* Forward declarations.  */ static void display_file (char *);static void rprint_number (int, bfd_size_type);static void print_sizes (bfd * file);static voidusage (FILE *stream, int status){  fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);  fprintf (stream, _(" Displays the sizes of sections inside binary files\n"));  fprintf (stream, _(" If no input file(s) are specified, a.out is assumed\n"));  fprintf (stream, _(" The options are:\n\  -A|-B|-G  --format={sysv|berkeley|gnu}  Select output style (default is %s)\n\  -o|-d|-x  --radix={8|10|16}         Display numbers in octal, decimal or hex\n\  -t        --totals                  Display the total sizes (Berkeley only)\n\  -f                                  Ignored.\n\            --common                  Display total size for *COM* syms\n\            --target=<bfdname>        Set the binary file format\n\            @<file>                   Read options from <file>\n\  -h|-H|-?  --help                    Display this information\n\  -v|-V     --version                 Display the program's version\n\\n"),#if BSD_DEFAULT  "berkeley"#else  "sysv"#endif);  list_supported_targets (program_name, stream);  if (REPORT_BUGS_TO[0] && status == 0)    fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);  exit (status);} #define OPTION_FORMAT (200)#define OPTION_RADIX (OPTION_FORMAT + 1)#define OPTION_TARGET (OPTION_RADIX + 1) static struct option long_options[] ={  {"common", no_argument, &show_common, 1},  {"format", required_argument, 0, OPTION_FORMAT},  {"radix", required_argument, 0, OPTION_RADIX},  {"target", required_argument, 0, OPTION_TARGET},  {"totals", no_argument, &show_totals, 1},  {"version", no_argument, &show_version, 1},  {"help", no_argument, &show_help, 1},  {0, no_argument, 0, 0}}; int main (int, char **); intmain (int argc, char **argv){  int temp;  int c; #ifdef HAVE_LC_MESSAGES  setlocale (LC_MESSAGES, "");#endif  setlocale (LC_CTYPE, "");  bindtextdomain (PACKAGE, LOCALEDIR);  textdomain (PACKAGE);   program_name = *argv;  xmalloc_set_program_name (program_name);  bfd_set_error_program_name (program_name);   expandargv (&argc, &argv);   if (bfd_init () != BFD_INIT_MAGIC)    fatal (_("fatal error: libbfd ABI mismatch"));  set_default_bfd_target ();   while ((c = getopt_long (argc, argv, "ABGHhVvdfotx", long_options,			   (int *) 0)) != EOF)    switch (c)      {      case OPTION_FORMAT:	switch (*optarg)	  {	  case 'B':	  case 'b':	    selected_output_format = FORMAT_BERKLEY;	    break;	  case 'S':	  case 's':	    selected_output_format = FORMAT_SYSV;	    break;	  case 'G':	  case 'g':	    selected_output_format = FORMAT_GNU;	    break;	  default:	    non_fatal (_("invalid argument to --format: %s"), optarg);	    usage (stderr, 1);	  }	break;       case OPTION_TARGET:	target = optarg;	break;       case OPTION_RADIX:#ifdef ANSI_LIBRARIES	temp = strtol (optarg, NULL, 10);#else	temp = atol (optarg);#endif	switch (temp)	  {	  case 10:	    radix = decimal;	    break;	  case 8:	    radix = octal;	    break;	  case 16:	    radix = hex;	    break;	  default:	    non_fatal (_("Invalid radix: %s\n"), optarg);	    usage (stderr, 1);	  }	break;       case 'A':	selected_output_format = FORMAT_SYSV;	break;      case 'B':	selected_output_format = FORMAT_BERKLEY;	break;      case 'G':	selected_output_format = FORMAT_GNU;	break;      case 'v':      case 'V':	show_version = 1;	break;      case 'd':	radix = decimal;	break;      case 'x':	radix = hex;	break;      case 'o':	radix = octal;	break;      case 't':	show_totals = 1;	break;      case 'f': /* FIXME : For sysv68, `-f' means `full format', i.e.		   `[fname:] M(.text) + N(.data) + O(.bss) + P(.comment) = Q'		   where `fname: ' appears only if there are >= 2 input files,		   and M, N, O, P, Q are expressed in decimal by default,		   hexa or octal if requested by `-x' or `-o'.		   Just to make things interesting, Solaris also accepts -f,		   which prints out the size of each allocatable section, the		   name of the section, and the total of the section sizes.  */		/* For the moment, accept `-f' silently, and ignore it.  */	break;      case 0:	break;      case 'h':      case 'H':      case '?':	usage (stderr, 1);      }   if (show_version)    print_version ("size");  if (show_help)    usage (stdout, 0);   if (optind == argc)    display_file ("a.out");  else    for (; optind < argc;)      display_file (argv[optind++]);   if (show_totals && (selected_output_format == FORMAT_BERKLEY		      || selected_output_format == FORMAT_GNU))    {      bfd_size_type total = total_textsize + total_datasize + total_bsssize;      int col_width = (selected_output_format == FORMAT_BERKLEY) ? 7 : 10;      char sep_char = (selected_output_format == FORMAT_BERKLEY) ? '\t' : ' ';       rprint_number (col_width, total_textsize);      putchar(sep_char);      rprint_number (col_width, total_datasize);      putchar(sep_char);      rprint_number (col_width, total_bsssize);      putchar(sep_char);      if (selected_output_format == FORMAT_BERKLEY)	printf (((radix == octal) ? "%7lo\t%7lx" : "%7lu\t%7lx"),		(unsigned long) total, (unsigned long) total);      else	rprint_number (col_width, total);      putchar(sep_char);      fputs ("(TOTALS)\n", stdout);    }   return return_code;}/* Total size required for common symbols in ABFD.  */ static voidcalculate_common_size (bfd *abfd){  asymbol **syms = NULL;  long storage, symcount;   common_size = 0;  if ((bfd_get_file_flags (abfd) & (EXEC_P | DYNAMIC | HAS_SYMS)) != HAS_SYMS)    return;   storage = bfd_get_symtab_upper_bound (abfd);  if (storage < 0)    bfd_fatal (bfd_get_filename (abfd));  if (storage)    syms = (asymbol **) xmalloc (storage);   symcount = bfd_canonicalize_symtab (abfd, syms);  if (symcount < 0)    bfd_fatal (bfd_get_filename (abfd));   while (--symcount >= 0)    {      asymbol *sym = syms[symcount];       if (bfd_is_com_section (sym->section)	  && (sym->flags & BSF_SECTION_SYM) == 0)	common_size += sym->value;    }  free (syms);} /* Display stats on file or archive member ABFD.  */ static voiddisplay_bfd (bfd *abfd){  char **matching;   if (bfd_check_format (abfd, bfd_archive))    /* An archive within an archive.  */    return;   if (bfd_check_format_matches (abfd, bfd_object, &matching))    {      print_sizes (abfd);      printf ("\n");      return;    }   if (bfd_get_error () == bfd_error_file_ambiguously_recognized)    {      bfd_nonfatal (bfd_get_filename (abfd));      list_matching_formats (matching);      return_code = 3;      return;    }   if (bfd_check_format_matches (abfd, bfd_core, &matching))    {      const char *core_cmd;       print_sizes (abfd);      fputs (" (core file", stdout);       core_cmd = bfd_core_file_failing_command (abfd);      if (core_cmd)	printf (" invoked as %s", core_cmd);       puts (")\n");      return;    }   bfd_nonfatal (bfd_get_filename (abfd));   if (bfd_get_error () == bfd_error_file_ambiguously_recognized)    list_matching_formats (matching);   return_code = 3;} static voiddisplay_archive (bfd *file){  bfd *last_arfile = NULL;  for (;;)    {      bfd *arfile = bfd_openr_next_archived_file (file, last_arfile);      if (arfile == NULL	  || arfile == last_arfile)	{	  if (arfile != NULL)	    bfd_set_error (bfd_error_malformed_archive);	  if (bfd_get_error () != bfd_error_no_more_archived_files)	    {	      bfd_nonfatal (bfd_get_filename (file));	      return_code = 2;	    }	  break;	}       if (last_arfile != NULL)	bfd_close (last_arfile);       display_bfd (arfile);      last_arfile = arfile;    }   if (last_arfile != NULL)    bfd_close (last_arfile);} static voiddisplay_file (char *filename){  bfd *file;   if (get_file_size (filename) < 1)    {      return_code = 1;      return;    }   file = bfd_openr (filename, target);  if (file == NULL)    {      bfd_nonfatal (filename);      return_code = 1;      return;    }   if (bfd_check_format (file, bfd_archive))    display_archive (file);  else    display_bfd (file);   if (!bfd_close (file))    {      bfd_nonfatal (filename);      return_code = 1;      return;    }}static intsize_number (bfd_size_type num){  char buffer[40];   return sprintf (buffer, (radix == decimal ? "%" PRIu64			   : radix == octal ? "0%" PRIo64 : "0x%" PRIx64),		  (uint64_t) num);} static voidrprint_number (int width, bfd_size_type num){  char buffer[40];   sprintf (buffer, (radix == decimal ? "%" PRIu64		    : radix == octal ? "0%" PRIo64 : "0x%" PRIx64),	   (uint64_t) num);   printf ("%*s", width, buffer);} static bfd_size_type bsssize;static bfd_size_type datasize;static bfd_size_type textsize; static voidberkeley_or_gnu_sum (bfd *abfd ATTRIBUTE_UNUSED, sec_ptr sec,		     void *ignore ATTRIBUTE_UNUSED){  flagword flags;  bfd_size_type size;   flags = bfd_section_flags (sec);  if ((flags & SEC_ALLOC) == 0)    return;   size = bfd_section_size (sec);  if ((flags & SEC_CODE) != 0      || (selected_output_format == FORMAT_BERKLEY	  && (flags & SEC_READONLY) != 0))    textsize += size;  else if ((flags & SEC_HAS_CONTENTS) != 0)    datasize += size;  else    bsssize += size;} static voidprint_berkeley_or_gnu_format (bfd *abfd){  static int files_seen = 0;  bfd_size_type total;  int col_width = (selected_output_format == FORMAT_BERKLEY) ? 7 : 10;  char sep_char = (selected_output_format == FORMAT_BERKLEY) ? '\t' : ' ';   bsssize = 0;  datasize = 0;  textsize = 0;   bfd_map_over_sections (abfd, berkeley_or_gnu_sum, NULL);   bsssize += common_size;  if (files_seen++ == 0)    {      if (selected_output_format == FORMAT_BERKLEY)	puts ((radix == octal) ? "   text\t   data\t    bss\t    oct\t    hex\tfilename" :	      "   text\t   data\t    bss\t    dec\t    hex\tfilename");      else	puts ("      text       data        bss      total filename");

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