X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Flexsup.c;h=294c4b2d1b9fb481899fadf2f5d2a163fcd6ff14;hb=0ec22c2c9fd06505f333c00235b3328a632bb69c;hp=1dcbf4cfa72790a2bcbc1a5d8499ba4c3e382a2f;hpb=6c3bc0f82c625d425b09c01f96b64946abe4118e;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/lexsup.c b/ld/lexsup.c
index 1dcbf4cfa7..294c4b2d1b 100644
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -1,5 +1,5 @@
 /* Parse options for the GNU linker.
-   Copyright (C) 1991-2015 Free Software Foundation, Inc.
+   Copyright (C) 1991-2016 Free Software Foundation, Inc.
 
    This file is part of the GNU Binutils.
 
@@ -65,9 +65,9 @@ static void help (void);
 
 enum control_enum {
   /* Use one dash before long option name.  */
-  ONE_DASH,
+  ONE_DASH = 1,
   /* Use two dashes before long option name.  */
-  TWO_DASHES,
+  TWO_DASHES = 2,
   /* Only accept two dashes before the long option name.
      This is an overloading of the use of this enum, since originally it
      was only intended to tell the --help display function how to display
@@ -164,6 +164,8 @@ static const struct ld_option ld_options[] =
     'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
   { {NULL, required_argument, NULL, '\0'},
     'O', NULL, N_("Optimize output file"), ONE_DASH },
+  { {"out-implib", required_argument, NULL, OPTION_OUT_IMPLIB},
+    '\0', N_("FILE"), N_("Generate import library"), TWO_DASHES },
 #ifdef ENABLE_PLUGINS
   { {"plugin", required_argument, NULL, OPTION_PLUGIN},
     '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH },
@@ -679,7 +681,28 @@ parse_args (unsigned argc, char **argv)
       switch (optc)
 	{
 	case '?':
-	  einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
+	  {
+	    /* If the last word on the command line is an option that
+	       requires an argument, getopt will refuse to recognise it.
+	       Try to catch such options here and issue a more helpful
+	       error message than just "unrecognized option".  */
+	    int opt;
+
+	    for (opt = ARRAY_SIZE (ld_options); opt--;)
+	      if (ld_options[opt].opt.has_arg == required_argument
+		  /* FIXME: There are a few short options that do not
+		     have long equivalents, but which require arguments.
+		     We should handle them too.  */
+		  && ld_options[opt].opt.name != NULL
+		  && strcmp (argv[last_optind] + ld_options[opt].control, ld_options[opt].opt.name) == 0)
+		{
+		  einfo (_("%P: %s: missing argument\n"), argv[last_optind]);
+		  break;
+		}
+
+	    if (opt == -1)
+	      einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
+	  }
 	  /* Fall through.  */
 
 	default:
@@ -983,6 +1006,9 @@ parse_args (unsigned argc, char **argv)
 	case OPTION_OFORMAT:
 	  lang_add_output_format (optarg, NULL, NULL, 0);
 	  break;
+	case OPTION_OUT_IMPLIB:
+	  command_line.out_implib_filename = xstrdup (optarg);
+	  break;
 	case OPTION_PRINT_SYSROOT:
 	  if (*ld_sysroot)
 	    puts (ld_sysroot);
@@ -997,7 +1023,7 @@ parse_args (unsigned argc, char **argv)
 	  break;
 	case OPTION_PLUGIN_OPT:
 	  if (plugin_opt_plugin_arg (optarg))
-	    einfo(_("%P%F: bad -plugin-opt option\n"));
+	    einfo (_("%P%F: bad -plugin-opt option\n"));
 	  break;
 #endif /* ENABLE_PLUGINS */
 	case 'q':
@@ -1565,15 +1591,14 @@ parse_args (unsigned argc, char **argv)
   /* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data,
      --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and
      --dynamic-list FILE.  -Bsymbolic and -Bsymbolic-functions are
-     for shared libraries.  -Bsymbolic overrides all others and vice
-     versa.  */
+     for PIC outputs.  -Bsymbolic overrides all others and vice versa.  */
   switch (command_line.symbolic)
     {
     case symbolic_unset:
       break;
     case symbolic:
-      /* -Bsymbolic is for shared library only.  */
-      if (bfd_link_dll (&link_info))
+      /* -Bsymbolic is for PIC output only.  */
+      if (bfd_link_pic (&link_info))
 	{
 	  link_info.symbolic = TRUE;
 	  /* Should we free the unused memory?  */
@@ -1582,8 +1607,8 @@ parse_args (unsigned argc, char **argv)
 	}
       break;
     case symbolic_functions:
-      /* -Bsymbolic-functions is for shared library only.  */
-      if (bfd_link_dll (&link_info))
+      /* -Bsymbolic-functions is for PIC output only.  */
+      if (bfd_link_pic (&link_info))
 	command_line.dynamic_list = dynamic_list_data;
       break;
     }
@@ -1666,6 +1691,7 @@ set_segment_start (const char *section, char *valstr)
     if (strcmp (seg->name, name) == 0)
       {
 	seg->value = val;
+	lang_section_start (section, exp_intop (val), seg);
 	return;
       }
   /* There was no existing value so we must create a new segment
@@ -1698,6 +1724,8 @@ elf_shlib_list_options (FILE *file)
   fprintf (file, _("\
   --eh-frame-hdr              Create .eh_frame_hdr section\n"));
   fprintf (file, _("\
+  --no-eh-frame-hdr           Do not create .eh_frame_hdr section\n"));
+  fprintf (file, _("\
   --exclude-libs=LIBS         Make all symbols in LIBS hidden\n"));
   fprintf (file, _("\
   --hash-style=STYLE          Set hash style to sysv, gnu or both\n"));
@@ -1734,10 +1762,21 @@ elf_shlib_list_options (FILE *file)
   fprintf (file, _("\
   -z origin                   Mark object requiring immediate $ORIGIN\n\
 				processing at runtime\n"));
+#if DEFAULT_LD_Z_RELRO
   fprintf (file, _("\
-  -z relro                    Create RELRO program header\n"));
+  -z relro                    Create RELRO program header (default)\n"));
   fprintf (file, _("\
   -z norelro                  Don't create RELRO program header\n"));
+#else
+  fprintf (file, _("\
+  -z relro                    Create RELRO program header\n"));
+  fprintf (file, _("\
+  -z norelro                  Don't create RELRO program header (default)\n"));
+#endif
+  fprintf (file, _("\
+  -z common                   Generate common symbols with STT_COMMON type\n"));
+  fprintf (file, _("\
+  -z nocommon                 Generate common symbols with STT_OBJECT type\n"));
   fprintf (file, _("\
   -z stacksize=SIZE           Set size of stack segment\n"));
   fprintf (file, _("\