* ldmain.c (main): Move code twiddling various config and link_info
authorAlan Modra <amodra@gmail.com>
Mon, 10 Oct 2011 12:43:14 +0000 (12:43 +0000)
committerAlan Modra <amodra@gmail.com>
Mon, 10 Oct 2011 12:43:14 +0000 (12:43 +0000)
bits to..
* lexsup.c (parse_args): ..here.  Move plugin_load_plugins call
into main.
* plugin.c (set_tv_header): Test link_info.executable, not
link_info.shared.
(is_visible_from_outside): Likewise.  Delete redundant
is_ir_dummy_bfd check and "section" parameter.

ld/ChangeLog
ld/ldmain.c
ld/lexsup.c
ld/plugin.c

index 8257eec..bc39daa 100644 (file)
@@ -1,5 +1,16 @@
 2011-10-10  Alan Modra  <amodra@gmail.com>
 
+       * ldmain.c (main): Move code twiddling various config and link_info
+       bits to..
+       * lexsup.c (parse_args): ..here.  Move plugin_load_plugins call
+       into main.
+       * plugin.c (set_tv_header): Test link_info.executable, not
+       link_info.shared.
+       (is_visible_from_outside): Likewise.  Delete redundant
+       is_ir_dummy_bfd check and "section" parameter.
+
+2011-10-10  Alan Modra  <amodra@gmail.com>
+
        * emultempl/ppc64elf.em (ppc_add_stub_section): Align to 32 bytes.
 
 2011-10-09  Alan Modra  <amodra@gmail.com>
index 3c0dbc4..7aacf0f 100644 (file)
@@ -297,73 +297,13 @@ main (int argc, char **argv)
   if (config.hash_table_size != 0)
     bfd_hash_set_default_size (config.hash_table_size);
 
-  ldemul_set_symbols ();
-
-  if (link_info.relocatable)
-    {
-      if (command_line.check_section_addresses < 0)
-       command_line.check_section_addresses = 0;
-      if (link_info.shared)
-       einfo (_("%P%F: -r and -shared may not be used together\n"));
-    }
-
-  /* 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.  */
-  switch (command_line.symbolic)
-    {
-    case symbolic_unset:
-      break;
-    case symbolic:
-      /* -Bsymbolic is for shared library only.  */
-      if (link_info.shared)
-       {
-         link_info.symbolic = TRUE;
-         /* Should we free the unused memory?  */
-         link_info.dynamic_list = NULL;
-         command_line.dynamic_list = dynamic_list_unset;
-       }
-      break;
-    case symbolic_functions:
-      /* -Bsymbolic-functions is for shared library only.  */
-      if (link_info.shared)
-       command_line.dynamic_list = dynamic_list_data;
-      break;
-    }
-
-  switch (command_line.dynamic_list)
-    {
-    case dynamic_list_unset:
-      break;
-    case dynamic_list_data:
-      link_info.dynamic_data = TRUE;
-    case dynamic_list:
-      link_info.dynamic = TRUE;
-      break;
-    }
-
-  if (! link_info.shared)
-    {
-      if (command_line.filter_shlib)
-       einfo (_("%P%F: -F may not be used without -shared\n"));
-      if (command_line.auxiliary_filters)
-       einfo (_("%P%F: -f may not be used without -shared\n"));
-    }
-
-  if (! link_info.shared || link_info.pie)
-    link_info.executable = TRUE;
+#ifdef ENABLE_PLUGINS
+  /* Now all the plugin arguments have been gathered, we can load them.  */
+  if (plugin_load_plugins ())
+    einfo (_("%P%F: %s: error loading plugin\n"), plugin_error_plugin ());
+#endif /* ENABLE_PLUGINS */
 
-  /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols).  I
-     don't see how else this can be handled, since in this case we
-     must preserve all externally visible symbols.  */
-  if (link_info.relocatable && link_info.strip == strip_all)
-    {
-      link_info.strip = strip_debugger;
-      if (link_info.discard == discard_sec_merge)
-       link_info.discard = discard_all;
-    }
+  ldemul_set_symbols ();
 
   /* If we have not already opened and parsed a linker script,
      try the default script from command line first.  */
index b5e52a8..20e0271 100644 (file)
@@ -1564,11 +1564,71 @@ parse_args (unsigned argc, char **argv)
     /* FIXME: Should we allow emulations a chance to set this ?  */
     link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
 
-#ifdef ENABLE_PLUGINS
-  /* Now all the plugin arguments have been gathered, we can load them.  */
-  if (plugin_load_plugins ())
-    einfo (_("%P%F: %s: error loading plugin\n"), plugin_error_plugin ());
-#endif /* ENABLE_PLUGINS */
+  if (link_info.relocatable)
+    {
+      if (command_line.check_section_addresses < 0)
+       command_line.check_section_addresses = 0;
+      if (link_info.shared)
+       einfo (_("%P%F: -r and -shared may not be used together\n"));
+    }
+
+  /* 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.  */
+  switch (command_line.symbolic)
+    {
+    case symbolic_unset:
+      break;
+    case symbolic:
+      /* -Bsymbolic is for shared library only.  */
+      if (link_info.shared)
+       {
+         link_info.symbolic = TRUE;
+         /* Should we free the unused memory?  */
+         link_info.dynamic_list = NULL;
+         command_line.dynamic_list = dynamic_list_unset;
+       }
+      break;
+    case symbolic_functions:
+      /* -Bsymbolic-functions is for shared library only.  */
+      if (link_info.shared)
+       command_line.dynamic_list = dynamic_list_data;
+      break;
+    }
+
+  switch (command_line.dynamic_list)
+    {
+    case dynamic_list_unset:
+      break;
+    case dynamic_list_data:
+      link_info.dynamic_data = TRUE;
+    case dynamic_list:
+      link_info.dynamic = TRUE;
+      break;
+    }
+
+  if (! link_info.shared)
+    {
+      if (command_line.filter_shlib)
+       einfo (_("%P%F: -F may not be used without -shared\n"));
+      if (command_line.auxiliary_filters)
+       einfo (_("%P%F: -f may not be used without -shared\n"));
+    }
+
+  if (! link_info.shared || link_info.pie)
+    link_info.executable = TRUE;
+
+  /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols).  I
+     don't see how else this can be handled, since in this case we
+     must preserve all externally visible symbols.  */
+  if (link_info.relocatable && link_info.strip == strip_all)
+    {
+      link_info.strip = strip_debugger;
+      if (link_info.discard == discard_sec_merge)
+       link_info.discard = discard_all;
+    }
 }
 
 /* Add the (colon-separated) elements of DIRLIST_PTR to the
index 250233b..5f4aa8f 100644 (file)
@@ -442,18 +442,14 @@ release_input_file (const void *handle)
 /* Return TRUE if a defined symbol might be reachable from outside the
    universe of claimed objects.  */
 static inline bfd_boolean
-is_visible_from_outside (struct ld_plugin_symbol *lsym, asection *section,
+is_visible_from_outside (struct ld_plugin_symbol *lsym,
                         struct bfd_link_hash_entry *blhe)
 {
   struct bfd_sym_chain *sym;
 
-  /* Section's owner may be NULL if it is the absolute
-     section, fortunately is_ir_dummy_bfd handles that.  */
-  if (!is_ir_dummy_bfd (section->owner))
-    return TRUE;
   if (link_info.relocatable)
     return TRUE;
-  if (link_info.export_dynamic || link_info.shared)
+  if (link_info.export_dynamic || !link_info.executable)
     {
       /* Check if symbol is hidden by version script.  */
       if (bfd_hide_sym_by_version (link_info.version_info,
@@ -580,7 +576,7 @@ get_symbols (const void *handle, int nsyms, struct ld_plugin_symbol *syms,
             symbol is externally visible.  */
          if (blhe->non_ir_ref)
            res = LDPR_PREVAILING_DEF;
-         else if (is_visible_from_outside (&syms[n], owner_sec, blhe))
+         else if (is_visible_from_outside (&syms[n], blhe))
            res = def_ironly_exp;
        }
 
@@ -701,7 +697,7 @@ set_tv_header (struct ld_plugin_tv *tv)
        case LDPT_LINKER_OUTPUT:
          TVU(val) = (link_info.relocatable
                      ? LDPO_REL
-                     : (link_info.shared ? LDPO_DYN : LDPO_EXEC));
+                     : link_info.executable ? LDPO_EXEC : LDPO_DYN);
          break;
        case LDPT_OUTPUT_NAME:
          TVU(string) = output_filename;