From 16d96b5b8fc6ea4aeccccfd805a7049438ad1f6b Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Tue, 17 May 2011 13:02:18 +0000
Subject: 	PR ld/12760 include/ 	* bfdlink.h (struct bfd_link_callbacks
 <notice>): Add "flags" and 	"string" param. bfd/ 	* coff-aux.c
 (coff_m68k_aux_link_add_one_symbol): Adjust "notice" call. 	* elflink.c
 (elf_link_add_object_symbols): Likewise. 	* linker.c
 (_bfd_generic_link_add_one_symbol): Likewise. ld/ 	* ldmain.c (notice):
 Add "flags" and "string" param. 	* plugin.c (plugin_notice): Likewise. 
 Handle indirect, warning 	and constructor syms.

---
 ld/ChangeLog |  7 +++++++
 ld/ldmain.c  |  6 ++++--
 ld/plugin.c  | 40 ++++++++++++++++++++++++++++++++++------
 3 files changed, 45 insertions(+), 8 deletions(-)

(limited to 'ld')

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 6697fc1fa4a..7b782c8d723 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,10 @@
+2011-05-17  Alan Modra  <amodra@gmail.com>
+
+	PR ld/12760
+	* ldmain.c (notice): Add "flags" and "string" param.
+	* plugin.c (plugin_notice): Likewise.  Handle indirect, warning
+	and constructor syms.
+
 2010-05-16  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* ldlang.c (print_assignment): Use the symbol's section if we
diff --git a/ld/ldmain.c b/ld/ldmain.c
index bfa6066b097..96f3bdaf3eb 100644
--- a/ld/ldmain.c
+++ b/ld/ldmain.c
@@ -151,7 +151,7 @@ static bfd_boolean unattached_reloc
   (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
 static bfd_boolean notice
   (struct bfd_link_info *, struct bfd_link_hash_entry *,
-   bfd *, asection *, bfd_vma);
+   bfd *, asection *, bfd_vma, flagword, const char *);
 
 static struct bfd_link_callbacks link_callbacks =
 {
@@ -1483,7 +1483,9 @@ notice (struct bfd_link_info *info,
 	struct bfd_link_hash_entry *h,
 	bfd *abfd,
 	asection *section,
-	bfd_vma value)
+	bfd_vma value,
+	flagword flags ATTRIBUTE_UNUSED,
+	const char *string ATTRIBUTE_UNUSED)
 {
   const char *name;
 
diff --git a/ld/plugin.c b/ld/plugin.c
index 07c60686e50..60eb1028a83 100644
--- a/ld/plugin.c
+++ b/ld/plugin.c
@@ -125,9 +125,9 @@ static const enum ld_plugin_tag tv_header_tags[] =
 static const size_t tv_header_size = ARRAY_SIZE (tv_header_tags);
 
 /* Forward references.  */
-static bfd_boolean plugin_notice (struct bfd_link_info *info,
-				  struct bfd_link_hash_entry *h, bfd *abfd,
-				  asection *section, bfd_vma value);
+static bfd_boolean plugin_notice (struct bfd_link_info *,
+				  struct bfd_link_hash_entry *, bfd *,
+				  asection *, bfd_vma, flagword, const char *);
 
 #if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)
 
@@ -908,7 +908,9 @@ plugin_notice (struct bfd_link_info *info,
 	       struct bfd_link_hash_entry *h,
 	       bfd *abfd,
 	       asection *section,
-	       bfd_vma value)
+	       bfd_vma value,
+	       flagword flags,
+	       const char *string)
 {
   if (h != NULL)
     {
@@ -918,8 +920,33 @@ plugin_notice (struct bfd_link_info *info,
       if (is_ir_dummy_bfd (abfd))
 	return TRUE;
 
+      /* Making an indirect symbol counts as a reference unless this
+	 is a brand new symbol.  */
+      if (bfd_is_ind_section (section)
+	  || (flags & BSF_INDIRECT) != 0)
+	{
+	  if (h->type != bfd_link_hash_new)
+	    {
+	      struct bfd_link_hash_entry *inh;
+
+	      h->non_ir_ref = TRUE;
+	      inh = bfd_wrapped_link_hash_lookup (abfd, info, string, FALSE,
+						  FALSE, FALSE);
+	      if (inh != NULL)
+		inh->non_ir_ref = TRUE;
+	    }
+	}
+
+      /* Nothing to do here for warning symbols.  */
+      else if ((flags & BSF_WARNING) != 0)
+	;
+
+      /* Nothing to do here for constructor symbols.  */
+      else if ((flags & BSF_CONSTRUCTOR) != 0)
+	;
+
       /* If this is a ref, set non_ir_ref.  */
-      if (bfd_is_und_section (section))
+      else if (bfd_is_und_section (section))
 	h->non_ir_ref = TRUE;
 
       /* Otherwise, it must be a new def.  Ensure any symbol defined
@@ -945,6 +972,7 @@ plugin_notice (struct bfd_link_info *info,
       || (info->notice_hash != NULL
 	  && bfd_hash_lookup (info->notice_hash, h->root.string,
 			      FALSE, FALSE) != NULL))
-    return (*orig_callbacks->notice) (info, h, abfd, section, value);
+    return (*orig_callbacks->notice) (info, h,
+				      abfd, section, value, flags, string);
   return TRUE;
 }
-- 
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