Fix skipping first library for NaCl glibc programs.

gdb/solib-svr4.c

 /* Handle SVR4 shared libraries for GDB, the GNU Debugger.
 
    Copyright (C) 1990-1996, 1998-2001, 2003-2012 Free Software
    Foundation, Inc.
 
    This file is part of GDB.
 
    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
@@ skipping 1276 matching lines @@
   info->debug_base = 0;
   locate_base (info);
 
   /* If we can't find the dynamic linker's base structure, this
      must not be a dynamically linked executable.  Hmm.  */
   if (! info->debug_base)
     return svr4_default_sos ();
 
   /* Assume that everything is a library if the dynamic loader was loaded
      late by a static executable.  */
-  if (exec_bfd && bfd_get_section_by_name (exec_bfd, ".dynamic") == NULL)
+  if (exec_bfd && find_program_interpreter() == NULL)
     ignore_first = 0;
   else
     ignore_first = 1;
 
   back_to = make_cleanup (svr4_free_library_list, &head);
 
   /* Walk the inferior's link map list, and build our list of
      `struct so_list' nodes.  */
   lm = solib_svr4_r_map (info);
   if (lm)
@@ skipping 1218 matching lines @@
   svr4_so_ops.solib_create_inferior_hook = svr4_solib_create_inferior_hook;
   svr4_so_ops.special_symbol_handling = svr4_special_symbol_handling;
   svr4_so_ops.current_sos = svr4_current_sos;
   svr4_so_ops.open_symbol_file_object = open_symbol_file_object;
   svr4_so_ops.in_dynsym_resolve_code = svr4_in_dynsym_resolve_code;
   svr4_so_ops.bfd_open = solib_bfd_open;
   svr4_so_ops.lookup_lib_global_symbol = elf_lookup_lib_symbol;
   svr4_so_ops.same = svr4_same;
   svr4_so_ops.keep_data_in_core = svr4_keep_data_in_core;
 }