Report failed attempts to locate DT_NEEDED files when --verbose is in effect.

[deliverable/binutils-gdb.git] / ld / lexsup.c

diff --git a/ld/lexsup.c b/ld/lexsup.c
index 1dcbf4cfa72790a2bcbc1a5d8499ba4c3e382a2f..294c4b2d1b9fb481899fadf2f5d2a163fcd6ff14 100644 (file)
--- 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, _("\