Merge GDB 7.5.1

bfd/elf.c

 /* ELF executable support for BFD.
 
    Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-   2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+   2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
    Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
    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,
@@ skipping 1003 matching lines @@
 
       if (bfd_is_section_compressed (abfd, newsect))
         {
           /* Compressed section.  Check if we should decompress.  */
           if ((abfd->flags & BFD_DECOMPRESS))
             action = decompress;
         }
       else
         {
           /* Normal section.  Check if we should compress.  */
-          if ((abfd->flags & BFD_COMPRESS))
+          if ((abfd->flags & BFD_COMPRESS) && newsect->size != 0)
             action = compress;
         }
 
       new_name = NULL;
       switch (action)
         {
         case nothing:
           break;
         case compress:
           if (!bfd_init_section_compress_status (abfd, newsect))
             {
               (*_bfd_error_handler)
-                (_("%B: unable to initialize commpress status for section %s"),
+                (_("%B: unable to initialize compress status for section %s"),
                  abfd, name);
               return FALSE;
             }
           if (name[1] != 'z')
             {
               unsigned int len = strlen (name);
 
               new_name = bfd_alloc (abfd, len + 2);
               if (new_name == NULL)
                 return FALSE;
               new_name[0] = '.';
               new_name[1] = 'z';
               memcpy (new_name + 2, name + 1, len);
             }
           break;
         case decompress:
           if (!bfd_init_section_decompress_status (abfd, newsect))
             {
               (*_bfd_error_handler)
-                (_("%B: unable to initialize decommpress status for section %s"),
+                (_("%B: unable to initialize decompress status for section %s"),
                  abfd, name);
               return FALSE;
             }
           if (name[1] == 'z')
             {
               unsigned int len = strlen (name);
 
               new_name = bfd_alloc (abfd, len);
               if (new_name == NULL)
                 return FALSE;
@@ skipping 564 matching lines @@
                       hdr->sh_link = dynsymhdr->sh_link;
                       break;
                     }
                 }
             }
         }
       break;
 
     case SHT_SYMTAB:            /* A symbol table */
       if (elf_onesymtab (abfd) == shindex)