Fix numerous occurrences of

warning: dereferencing type-punned pointer will break strict-aliasing rules

16 files changed, 179 insertions, 135 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index cceffd7..3a59982 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,32 @@
 2002-10-11  Alan Modra  <amodra@bigpond.net.au>
 
+	* coff-arm.c (record_arm_to_thumb_glue): Avoid type-punned pointers.
+	(record_thumb_to_arm_glue): Likewise.
+	* ecoff.c (ecoff_link_add_externals): Likewise.
+	* elf32-arm.h (record_arm_to_thumb_glue): Likewise.
+	(record_thumb_to_arm_glue): Likewise.
+	* elf32-m32r.c (m32r_elf_add_symbol_hook): Likewise.
+	* elf32-sh.c (sh_elf_create_dynamic_sections): Likewise.
+	* elf32-sh64.c (sh64_elf_add_symbol_hook): Likewise.
+	* elf64-alpha.c (elf64_alpha_create_dynamic_sections): Likewise.
+	* elf64-ppc.c (func_desc_adjust): Likewise.
+	* elf64-sh64.c (sh64_elf64_add_symbol_hook): Likewise.
+	(sh64_elf64_create_dynamic_sections): Likewise.
+	* elflink.c (_bfd_elf_create_got_section): Likewise.
+	(_bfd_elf_create_dynamic_sections): Likewise.
+	(_bfd_elf_create_linker_section): Likewise.
+	* elflink.h (elf_add_default_symbol): Likewise.
+	(elf_link_create_dynamic_sections): Likewise.
+	(NAME(bfd_elf,size_dynamic_sections)): Likewise.
+	* elfxx-ia64.c (elfNN_ia64_aix_add_symbol_hook): Likewise.
+	* elfxx-mips.c (mips_elf_create_got_section): Likewise.
+	(_bfd_mips_elf_add_symbol_hook): Likewise.
+	(_bfd_mips_elf_create_dynamic_sections): Likewise.
+	* linker.c (generic_link_add_symbol_list): Likewise.
+	* xcofflink.c (xcoff_link_add_symbols): Likewise.
+
+	* elfxx-ia64.c (oor_brl, oor_ip): Conditionally define.
+
 	* elf64-ppc.c (edit_opd): Only zero opd syms when function is
 	completely removed.
 
diff --git a/bfd/coff-arm.c b/bfd/coff-arm.c
index 5e7f907..25256a8 100644
--- a/bfd/coff-arm.c
+++ b/bfd/coff-arm.c
@@ -1881,6 +1881,7 @@ record_arm_to_thumb_glue (info, h)
   register asection *               s;
   char *                            tmp_name;
   struct coff_link_hash_entry *     myh;
+  struct bfd_link_hash_entry *      bh;
   struct coff_arm_link_hash_table * globals;
   bfd_vma val;
   bfd_size_type amt;
@@ -1915,10 +1916,10 @@ record_arm_to_thumb_glue (info, h)
      though the section isn't allocated yet, this is where we will be putting
      it.  */
 
+  bh = NULL;
   val = globals->arm_glue_size + 1;
   bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
-				BSF_GLOBAL, s, val, NULL, true, false,
-				(struct bfd_link_hash_entry **) & myh);
+				BSF_GLOBAL, s, val, NULL, true, false, &bh);
 
   free (tmp_name);
 
@@ -1937,6 +1938,7 @@ record_thumb_to_arm_glue (info, h)
   register asection *                s;
   char *                             tmp_name;
   struct coff_link_hash_entry *      myh;
+  struct bfd_link_hash_entry *       bh;
   struct coff_arm_link_hash_table *  globals;
   bfd_vma val;
   bfd_size_type amt;
@@ -1967,12 +1969,13 @@ record_thumb_to_arm_glue (info, h)
       return; /* we've already seen this guy */
     }
 
+  bh = NULL;
   val = globals->thumb_glue_size + 1;
   bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
-				BSF_GLOBAL, s, val, NULL, true, false,
-				(struct bfd_link_hash_entry **) &myh);
+				BSF_GLOBAL, s, val, NULL, true, false, &bh);
 
   /* If we mark it 'thumb', the disassembler will do a better job.  */
+  myh = (struct coff_link_hash_entry *) bh;
   myh->class = C_THUMBEXTFUNC;
 
   free (tmp_name);
@@ -1989,11 +1992,10 @@ record_thumb_to_arm_glue (info, h)
 
   sprintf (tmp_name, globals->support_old_code ? BACK_FROM_ARM : CHANGE_TO_ARM, name);
 
-  myh = NULL;
+  bh = NULL;
   val = globals->thumb_glue_size + (globals->support_old_code ? 8 : 4);
   bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
-				BSF_LOCAL, s, val, NULL, true, false,
-				(struct bfd_link_hash_entry **) & myh);
+				BSF_LOCAL, s, val, NULL, true, false, &bh);
 
   free (tmp_name);
 
diff --git a/bfd/ecoff.c b/bfd/ecoff.c
index 47b6582..4f129f6 100644
--- a/bfd/ecoff.c
+++ b/bfd/ecoff.c
@@ -3837,7 +3837,7 @@ ecoff_link_add_externals (abfd, info, external_ext, ssext)
     = backend->debug_swap.swap_ext_in;
   bfd_size_type external_ext_size = backend->debug_swap.external_ext_size;
   unsigned long ext_count;
-  struct ecoff_link_hash_entry **sym_hash;
+  struct bfd_link_hash_entry **sym_hash;
   char *ext_ptr;
   char *ext_end;
   bfd_size_type amt;
@@ -3846,10 +3846,10 @@ ecoff_link_add_externals (abfd, info, external_ext, ssext)
 
   amt = ext_count;
   amt *= sizeof (struct bfd_link_hash_entry *);
-  sym_hash = (struct ecoff_link_hash_entry **) bfd_alloc (abfd, amt);
+  sym_hash = (struct bfd_link_hash_entry **) bfd_alloc (abfd, amt);
   if (!sym_hash)
     return false;
-  ecoff_data (abfd)->sym_hashes = sym_hash;
+  ecoff_data (abfd)->sym_hashes = (struct ecoff_link_hash_entry **) sym_hash;
 
   ext_ptr = (char *) external_ext;
   ext_end = ext_ptr + ext_count * external_ext_size;
@@ -3980,15 +3980,13 @@ ecoff_link_add_externals (abfd, info, external_ext, ssext)
 
       name = ssext + esym.asym.iss;
 
-      h = NULL;
       if (! (_bfd_generic_link_add_one_symbol
 	     (info, abfd, name,
 	      (flagword) (esym.weakext ? BSF_WEAK : BSF_GLOBAL),
-	      section, value, (const char *) NULL, true, true,
-	      (struct bfd_link_hash_entry **) &h)))
+	      section, value, (const char *) NULL, true, true, sym_hash)))
 	return false;
 
-      *sym_hash = h;
+      h = (struct ecoff_link_hash_entry *) *sym_hash;
 
       /* If we are building an ECOFF hash table, save the external
 	 symbol information.  */
diff --git a/bfd/elf32-arm.h b/bfd/elf32-arm.h
index 2d59601..029bbe2 100644
--- a/bfd/elf32-arm.h
+++ b/bfd/elf32-arm.h
@@ -427,6 +427,7 @@ record_arm_to_thumb_glue (link_info, h)
   asection * s;
   char * tmp_name;
   struct elf_link_hash_entry * myh;
+  struct bfd_link_hash_entry * bh;
   struct elf32_arm_link_hash_table * globals;
   bfd_vma val;
 
@@ -460,11 +461,11 @@ record_arm_to_thumb_glue (link_info, h)
   /* The only trick here is using hash_table->arm_glue_size as the value. Even
      though the section isn't allocated yet, this is where we will be putting
      it.  */
+  bh = NULL;
   val = globals->arm_glue_size + 1;
   _bfd_generic_link_add_one_symbol (link_info, globals->bfd_of_glue_owner,
 				    tmp_name, BSF_GLOBAL, s, val,
-				    NULL, true, false,
-				    (struct bfd_link_hash_entry **) &myh);
+				    NULL, true, false, &bh);
 
   free (tmp_name);
 
@@ -482,6 +483,7 @@ record_thumb_to_arm_glue (link_info, h)
   asection *s;
   char *tmp_name;
   struct elf_link_hash_entry *myh;
+  struct bfd_link_hash_entry *bh;
   struct elf32_arm_link_hash_table *hash_table;
   char bind;
   bfd_vma val;
@@ -513,13 +515,14 @@ record_thumb_to_arm_glue (link_info, h)
       return;
     }
 
+  bh = NULL;
   val = hash_table->thumb_glue_size + 1;
   _bfd_generic_link_add_one_symbol (link_info, hash_table->bfd_of_glue_owner,
 				    tmp_name, BSF_GLOBAL, s, val,
-				    NULL, true, false,
-				    (struct bfd_link_hash_entry **) &myh);
+				    NULL, true, false, &bh);
 
   /* If we mark it 'Thumb', the disassembler will do a better job.  */
+  myh = (struct elf_link_hash_entry *) bh;
   bind = ELF_ST_BIND (myh->type);
   myh->type = ELF_ST_INFO (bind, STT_ARM_TFUNC);
 
@@ -536,13 +539,11 @@ record_thumb_to_arm_glue (link_info, h)
 
   sprintf (tmp_name, CHANGE_TO_ARM, name);
 
-  myh = NULL;
-
+  bh = NULL;
   val = hash_table->thumb_glue_size + 4,
   _bfd_generic_link_add_one_symbol (link_info, hash_table->bfd_of_glue_owner,
 				    tmp_name, BSF_LOCAL, s, val,
-				    NULL, true, false,
-				    (struct bfd_link_hash_entry **) &myh);
+				    NULL, true, false, &bh);
 
   free (tmp_name);
 
diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c
index a2e9e0b..8adb1e2 100644
--- a/bfd/elf32-m32r.c
+++ b/bfd/elf32-m32r.c
@@ -847,6 +847,7 @@ m32r_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
 	 section already exists a new one is created that follows it which
 	 screws of _SDA_BASE_ address calcs because output_offset != 0.  */
       struct elf_link_hash_entry *h;
+      struct bfd_link_hash_entry *bh;
       asection *s = bfd_get_section_by_name (abfd, ".sdata");
 
       /* The following code was cobbled from elf32-ppc.c and elflink.c.  */
@@ -863,10 +864,10 @@ m32r_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
 	  bfd_set_section_alignment (abfd, s, 2);
 	}
 
-      h = (struct elf_link_hash_entry *)
-	bfd_link_hash_lookup (info->hash, "_SDA_BASE_", false, false, false);
+      bh = bfd_link_hash_lookup (info->hash, "_SDA_BASE_",
+				 false, false, false);
 
-      if ((h == NULL || h->root.type == bfd_link_hash_undefined)
+      if ((bh == NULL || bh->type == bfd_link_hash_undefined)
 	  && !(_bfd_generic_link_add_one_symbol (info,
 						 abfd,
 						 "_SDA_BASE_",
@@ -876,8 +877,9 @@ m32r_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
 						 (const char *) NULL,
 						 false,
 						 get_elf_backend_data (abfd)->collect,
-						 (struct bfd_link_hash_entry **) &h)))
+						 &bh)))
 	return false;
+      h = (struct elf_link_hash_entry *) bh;
       h->type = STT_OBJECT;
     }
 
diff --git a/bfd/elf32-sh.c b/bfd/elf32-sh.c
index 90edf3f..5fe0f58 100644
--- a/bfd/elf32-sh.c
+++ b/bfd/elf32-sh.c
@@ -3582,13 +3582,16 @@ sh_elf_create_dynamic_sections (abfd, info)
     {
       /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
 	 .plt section.  */
-      struct elf_link_hash_entry *h = NULL;
+      struct elf_link_hash_entry *h;
+      struct bfd_link_hash_entry *bh = NULL;
+
       if (! (_bfd_generic_link_add_one_symbol
 	     (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
 	      (bfd_vma) 0, (const char *) NULL, false,
-	      get_elf_backend_data (abfd)->collect,
-	      (struct bfd_link_hash_entry **) &h)))
+	      get_elf_backend_data (abfd)->collect, &bh)))
 	return false;
+
+      h = (struct elf_link_hash_entry *) bh;
       h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
       h->type = STT_OBJECT;
 
diff --git a/bfd/elf32-sh64.c b/bfd/elf32-sh64.c
index 7a38fb22..844a6a4 100644
--- a/bfd/elf32-sh64.c
+++ b/bfd/elf32-sh64.c
@@ -411,16 +411,19 @@ sh64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
       if (h == NULL)
 	{
 	  /* No previous datalabel symbol.  Make one.  */
+	  struct bfd_link_hash_entry *bh = NULL;
+	  struct elf_backend_data *bed = get_elf_backend_data (abfd);
+
 	  if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name,
 						  flags, *secp, *valp,
 						  *namep, false,
-						  get_elf_backend_data (abfd)->collect,
-						  (struct bfd_link_hash_entry **) &h))
+						  bed->collect, &bh))
 	    {
 	      free (dl_name);
 	      return false;
 	    }
 
+	  h = (struct elf_link_hash_entry *) bh;
 	  h->elf_link_hash_flags &=~ ELF_LINK_NON_ELF;
 	  h->type = STT_DATALABEL;
 	}
diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c
index e1d095d..5973017 100644
--- a/bfd/elf64-alpha.c
+++ b/bfd/elf64-alpha.c
@@ -2480,6 +2480,7 @@ elf64_alpha_create_dynamic_sections (abfd, info)
 {
   asection *s;
   struct elf_link_hash_entry *h;
+  struct bfd_link_hash_entry *bh;
 
   /* We need to create .plt, .rela.plt, .got, and .rela.got sections.  */
 
@@ -2495,13 +2496,13 @@ elf64_alpha_create_dynamic_sections (abfd, info)
 
   /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
      .plt section.  */
-  h = NULL;
+  bh = NULL;
   if (! (_bfd_generic_link_add_one_symbol
 	 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
 	  (bfd_vma) 0, (const char *) NULL, false,
-	  get_elf_backend_data (abfd)->collect,
-	  (struct bfd_link_hash_entry **) &h)))
+	  get_elf_backend_data (abfd)->collect, &bh)))
     return false;
+  h = (struct elf_link_hash_entry *) bh;
   h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
   h->type = STT_OBJECT;
 
@@ -2539,13 +2540,13 @@ elf64_alpha_create_dynamic_sections (abfd, info)
      dynobj's .got section.  We don't do this in the linker script
      because we don't want to define the symbol if we are not creating
      a global offset table.  */
-  h = NULL;
+  bh = NULL;
   if (!(_bfd_generic_link_add_one_symbol
 	(info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL,
 	 alpha_elf_tdata(abfd)->got, (bfd_vma) 0, (const char *) NULL,
-	 false, get_elf_backend_data (abfd)->collect,
-	 (struct bfd_link_hash_entry **) &h)))
+	 false, get_elf_backend_data (abfd)->collect, &bh)))
     return false;
+  h = (struct elf_link_hash_entry *) bh;
   h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
   h->type = STT_OBJECT;
 
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 909314f..7c6ec10 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -3166,6 +3166,7 @@ func_desc_adjust (h, inf)
 	{
 	  bfd *abfd;
 	  asymbol *newsym;
+	  struct bfd_link_hash_entry *bh;
 
 	  abfd = h->root.u.undef.abfd;
 	  newsym = bfd_make_empty_symbol (abfd);
@@ -3176,13 +3177,14 @@ func_desc_adjust (h, inf)
 	  if (h->root.type == bfd_link_hash_undefweak)
 	    newsym->flags |= BSF_WEAK;
 
+	  bh = &fdh->root;
 	  if ( !(_bfd_generic_link_add_one_symbol
 		 (info, abfd, newsym->name, newsym->flags,
-		  newsym->section, newsym->value, NULL, false, false,
-		  (struct bfd_link_hash_entry **) &fdh)))
+		  newsym->section, newsym->value, NULL, false, false, &bh)))
 	    {
 	      return false;
 	    }
+	  fdh = (struct elf_link_hash_entry *) bh;
 	  fdh->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
 	}
 
diff --git a/bfd/elf64-sh64.c b/bfd/elf64-sh64.c
index 7a114c6..67a04ad 100644
--- a/bfd/elf64-sh64.c
+++ b/bfd/elf64-sh64.c
@@ -2915,16 +2915,19 @@ sh64_elf64_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
       if (h == NULL)
 	{
 	  /* No previous datalabel symbol.  Make one.  */
+	  struct bfd_link_hash_entry *bh = NULL;
+	  struct elf_backend_data *bed = get_elf_backend_data (abfd);
+
 	  if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name,
 						  flags, *secp, *valp,
 						  *namep, false,
-						  get_elf_backend_data (abfd)->collect,
-						  (struct bfd_link_hash_entry **) &h))
+						  bed->collect, &bh))
 	    {
 	      free (dl_name);
 	      return false;
 	    }
 
+	  h = (struct elf_link_hash_entry *) bh;
 	  h->elf_link_hash_flags &=~ ELF_LINK_NON_ELF;
 	  h->type = STT_DATALABEL;
 	}
@@ -3287,13 +3290,15 @@ sh64_elf64_create_dynamic_sections (abfd, info)
     {
       /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
 	 .plt section.  */
-      struct elf_link_hash_entry *h = NULL;
+      struct elf_link_hash_entry *h;
+      struct bfd_link_hash_entry *bh = NULL;
+
       if (! (_bfd_generic_link_add_one_symbol
 	     (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
-	      (bfd_vma) 0, (const char *) NULL, false,
-	      get_elf_backend_data (abfd)->collect,
-	      (struct bfd_link_hash_entry **) &h)))
+	      (bfd_vma) 0, (const char *) NULL, false, bed->collect, &bh)))
 	return false;
+
+      h = (struct elf_link_hash_entry *) bh;
       h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
       h->type = STT_OBJECT;
 
diff --git a/bfd/elflink.c b/bfd/elflink.c
index f8cc645..d6da588 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -33,6 +33,7 @@ _bfd_elf_create_got_section (abfd, info)
   flagword flags;
   register asection *s;
   struct elf_link_hash_entry *h;
+  struct bfd_link_hash_entry *bh;
   struct elf_backend_data *bed = get_elf_backend_data (abfd);
   int ptralign;
 
@@ -79,12 +80,13 @@ _bfd_elf_create_got_section (abfd, info)
 	 (or .got.plt) section.  We don't do this in the linker script
 	 because we don't want to define the symbol if we are not creating
 	 a global offset table.  */
-      h = NULL;
+      bh = NULL;
       if (!(_bfd_generic_link_add_one_symbol
 	    (info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
 	     bed->got_symbol_offset, (const char *) NULL, false,
-	     bed->collect, (struct bfd_link_hash_entry **) &h)))
+	     bed->collect, &bh)))
 	return false;
+      h = (struct elf_link_hash_entry *) bh;
       h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
       h->type = STT_OBJECT;
 
@@ -151,13 +153,15 @@ _bfd_elf_create_dynamic_sections (abfd, info)
     {
       /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
 	 .plt section.  */
-      struct elf_link_hash_entry *h = NULL;
+      struct elf_link_hash_entry *h;
+      struct bfd_link_hash_entry *bh = NULL;
+
       if (! (_bfd_generic_link_add_one_symbol
 	     (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
 	      (bfd_vma) 0, (const char *) NULL, false,
-	      get_elf_backend_data (abfd)->collect,
-	      (struct bfd_link_hash_entry **) &h)))
+	      get_elf_backend_data (abfd)->collect, &bh)))
 	return false;
+      h = (struct elf_link_hash_entry *) bh;
       h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
       h->type = STT_OBJECT;
 
@@ -546,29 +550,27 @@ _bfd_elf_create_linker_section (abfd, info, which, defaults)
 
       if (lsect->sym_name)
 	{
-	  struct elf_link_hash_entry *h = NULL;
+	  struct elf_link_hash_entry *h;
+	  struct bfd_link_hash_entry *bh;
+
 #ifdef DEBUG
 	  fprintf (stderr, "Adding %s to section %s\n",
 		   lsect->sym_name,
 		   lsect->name);
 #endif
-	  h = (struct elf_link_hash_entry *)
-	    bfd_link_hash_lookup (info->hash, lsect->sym_name, false, false, false);
-
-	  if ((h == NULL || h->root.type == bfd_link_hash_undefined)
-	      && !(_bfd_generic_link_add_one_symbol (info,
-						     abfd,
-						     lsect->sym_name,
-						     BSF_GLOBAL,
-						     s,
-						     ((lsect->hole_size)
-						      ? s->_raw_size - lsect->hole_size + lsect->sym_offset
-						      : lsect->sym_offset),
-						     (const char *) NULL,
-						     false,
-						     get_elf_backend_data (abfd)->collect,
-						     (struct bfd_link_hash_entry **) &h)))
-	    return (elf_linker_section_t *)0;
+	  bh = bfd_link_hash_lookup (info->hash, lsect->sym_name,
+				     false, false, false);
+
+	  if ((bh == NULL || bh->type == bfd_link_hash_undefined)
+	      && !(_bfd_generic_link_add_one_symbol
+		   (info, abfd, lsect->sym_name, BSF_GLOBAL, s,
+		    (lsect->hole_size
+		     ? s->_raw_size - lsect->hole_size + lsect->sym_offset
+		     : lsect->sym_offset),
+		    (const char *) NULL, false,
+		    get_elf_backend_data (abfd)->collect, &bh)))
+	    return (elf_linker_section_t *) 0;
+	  h = (struct elf_link_hash_entry *) bh;
 
 	  if ((defaults->which != LINKER_SECTION_SDATA)
 	      && (defaults->which != LINKER_SECTION_SDATA2))
@@ -579,7 +581,7 @@ _bfd_elf_create_linker_section (abfd, info, which, defaults)
 
 	  if (info->shared
 	      && ! _bfd_elf_link_record_dynamic_symbol (info, h))
-	    return (elf_linker_section_t *)0;
+	    return (elf_linker_section_t *) 0;
 	}
     }
 
diff --git a/bfd/elflink.h b/bfd/elflink.h
index da8ff47..23ea241 100644
--- a/bfd/elflink.h
+++ b/bfd/elflink.h
@@ -921,6 +921,7 @@ elf_add_default_symbol (abfd, info, h, name, sym, psec, value,
   boolean size_change_ok;
   char *shortname;
   struct elf_link_hash_entry *hi;
+  struct bfd_link_hash_entry *bh;
   struct elf_backend_data *bed;
   boolean collect;
   boolean dynamic;
@@ -979,11 +980,12 @@ elf_add_default_symbol (abfd, info, h, name, sym, psec, value,
 
   if (! override)
     {
+      bh = &hi->root;
       if (! (_bfd_generic_link_add_one_symbol
 	     (info, abfd, shortname, BSF_INDIRECT, bfd_ind_section_ptr,
-	      (bfd_vma) 0, name, false, collect,
-	      (struct bfd_link_hash_entry **) &hi)))
+	      (bfd_vma) 0, name, false, collect, &bh)))
 	return false;
+      hi = (struct elf_link_hash_entry *) bh;
     }
   else
     {
@@ -1098,11 +1100,12 @@ elf_add_default_symbol (abfd, info, h, name, sym, psec, value,
     }
   else
     {
+      bh = &hi->root;
       if (! (_bfd_generic_link_add_one_symbol
 	     (info, abfd, shortname, BSF_INDIRECT,
-	      bfd_ind_section_ptr, (bfd_vma) 0, name, false,
-	      collect, (struct bfd_link_hash_entry **) &hi)))
+	      bfd_ind_section_ptr, (bfd_vma) 0, name, false, collect, &bh)))
 	return false;
+      hi = (struct elf_link_hash_entry *) bh;
 
       /* If there is a duplicate definition somewhere, then HI may not
 	 point to an indirect symbol.  We will have reported an error
@@ -2292,6 +2295,7 @@ elf_link_create_dynamic_sections (abfd, info)
   flagword flags;
   register asection *s;
   struct elf_link_hash_entry *h;
+  struct bfd_link_hash_entry *bh;
   struct elf_backend_data *bed;
 
   if (! is_elf_hash_table (info))
@@ -2384,12 +2388,12 @@ elf_link_create_dynamic_sections (abfd, info)
      creating a .dynamic section.  We don't want to define it if there
      is no .dynamic section, since on some ELF platforms the start up
      code examines it to decide how to initialize the process.  */
-  h = NULL;
+  bh = NULL;
   if (! (_bfd_generic_link_add_one_symbol
 	 (info, abfd, "_DYNAMIC", BSF_GLOBAL, s, (bfd_vma) 0,
-	  (const char *) NULL, false, get_elf_backend_data (abfd)->collect,
-	  (struct bfd_link_hash_entry **) &h)))
+	  (const char *) 0, false, get_elf_backend_data (abfd)->collect, &bh)))
     return false;
+  h = (struct elf_link_hash_entry *) bh;
   h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
   h->type = STT_OBJECT;
 
@@ -3326,19 +3330,20 @@ NAME(bfd_elf,size_dynamic_sections) (output_bfd, soname, rpath,
 	      unsigned int cdeps;
 	      struct bfd_elf_version_deps *n;
 	      struct elf_link_hash_entry *h;
+	      struct bfd_link_hash_entry *bh;
 
 	      cdeps = 0;
 	      for (n = t->deps; n != NULL; n = n->next)
 		++cdeps;
 
 	      /* Add a symbol representing this version.  */
-	      h = NULL;
+	      bh = NULL;
 	      if (! (_bfd_generic_link_add_one_symbol
 		     (info, dynobj, t->name, BSF_GLOBAL, bfd_abs_section_ptr,
 		      (bfd_vma) 0, (const char *) NULL, false,
-		      get_elf_backend_data (dynobj)->collect,
-		      (struct bfd_link_hash_entry **) &h)))
+		      get_elf_backend_data (dynobj)->collect, &bh)))
 		return false;
+	      h = (struct elf_link_hash_entry *) bh;
 	      h->elf_link_hash_flags &= ~ ELF_LINK_NON_ELF;
 	      h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
 	      h->type = STT_OBJECT;
diff --git a/bfd/elfxx-ia64.c b/bfd/elfxx-ia64.c
index 2a29347..5da8e43 100644
--- a/bfd/elfxx-ia64.c
+++ b/bfd/elfxx-ia64.c
@@ -647,13 +647,14 @@ static const bfd_byte plt_full_entry[PLT_FULL_ENTRY_SIZE] =
    not support brl, and so it gets emulated by the kernel.  */
 #undef USE_BRL
 
+#ifdef USE_BRL
 static const bfd_byte oor_brl[16] =
 {
   0x05, 0x00, 0x00, 0x00, 0x01, 0x00,  /*  [MLX]        nop.m 0            */
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  /*               brl.sptk.few tgt;; */
   0x00, 0x00, 0x00, 0xc0
 };
-
+#else
 static const bfd_byte oor_ip[48] =
 {
   0x04, 0x00, 0x00, 0x00, 0x01, 0x00,  /*  [MLX]        nop.m 0            */
@@ -666,6 +667,7 @@ static const bfd_byte oor_ip[48] =
   0x60, 0x80, 0x04, 0x80, 0x03, 0x00,  /*               mov b6=r16         */
   0x60, 0x00, 0x80, 0x00               /*               br b6;;            */
 };
+#endif
 
 /* These functions do relaxation for IA-64 ELF.
 
@@ -1282,6 +1284,7 @@ elfNN_ia64_aix_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
 	{
 	  struct elf_backend_data *bed;
 	  struct elfNN_ia64_link_hash_table *ia64_info;
+	  struct bfd_link_hash_entry *bh = NULL;
 
 	  bed = get_elf_backend_data (abfd);
 	  ia64_info = elfNN_ia64_hash_table (info);
@@ -1290,9 +1293,10 @@ elfNN_ia64_aix_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
 		(info, abfd, *namep, BSF_GLOBAL,
 		 bfd_get_section_by_name (abfd, ".bss"),
 		 bed->got_symbol_offset, (const char *) NULL, false,
-		 bed->collect, (struct bfd_link_hash_entry **) &h)))
+		 bed->collect, &bh)))
 	    return false;
 
+	  h = (struct elf_link_hash_entry *) bh;
 	  h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
 	  h->type = STT_OBJECT;
 
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index 359587d..9584bde 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -1901,6 +1901,7 @@ mips_elf_create_got_section (abfd, info)
   flagword flags;
   register asection *s;
   struct elf_link_hash_entry *h;
+  struct bfd_link_hash_entry *bh;
   struct mips_got_info *g;
   bfd_size_type amt;
 
@@ -1920,13 +1921,14 @@ mips_elf_create_got_section (abfd, info)
   /* Define the symbol _GLOBAL_OFFSET_TABLE_.  We don't do this in the
      linker script because we don't want to define the symbol if we
      are not creating a global offset table.  */
-  h = NULL;
+  bh = NULL;
   if (! (_bfd_generic_link_add_one_symbol
 	 (info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
 	  (bfd_vma) 0, (const char *) NULL, false,
-	  get_elf_backend_data (abfd)->collect,
-	  (struct bfd_link_hash_entry **) &h)))
+	  get_elf_backend_data (abfd)->collect, &bh)))
     return false;
+
+  h = (struct elf_link_hash_entry *) bh;
   h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
   h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
   h->type = STT_OBJECT;
@@ -3829,15 +3831,17 @@ _bfd_mips_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
       && strcmp (*namep, "__rld_obj_head") == 0)
     {
       struct elf_link_hash_entry *h;
+      struct bfd_link_hash_entry *bh;
 
       /* Mark __rld_obj_head as dynamic.  */
-      h = NULL;
+      bh = NULL;
       if (! (_bfd_generic_link_add_one_symbol
 	     (info, abfd, *namep, BSF_GLOBAL, *secp,
 	      (bfd_vma) *valp, (const char *) NULL, false,
-	      get_elf_backend_data (abfd)->collect,
-	      (struct bfd_link_hash_entry **) &h)))
+	      get_elf_backend_data (abfd)->collect, &bh)))
 	return false;
+
+      h = (struct elf_link_hash_entry *) bh;
       h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
       h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
       h->type = STT_OBJECT;
@@ -3893,6 +3897,7 @@ _bfd_mips_elf_create_dynamic_sections (abfd, info)
      struct bfd_link_info *info;
 {
   struct elf_link_hash_entry *h;
+  struct bfd_link_hash_entry *bh;
   flagword flags;
   register asection *s;
   const char * const *namep;
@@ -3951,13 +3956,14 @@ _bfd_mips_elf_create_dynamic_sections (abfd, info)
     {
       for (namep = mips_elf_dynsym_rtproc_names; *namep != NULL; namep++)
 	{
-	  h = NULL;
+	  bh = NULL;
 	  if (! (_bfd_generic_link_add_one_symbol
 		 (info, abfd, *namep, BSF_GLOBAL, bfd_und_section_ptr,
 		  (bfd_vma) 0, (const char *) NULL, false,
-		  get_elf_backend_data (abfd)->collect,
-		  (struct bfd_link_hash_entry **) &h)))
+		  get_elf_backend_data (abfd)->collect, &bh)))
 	    return false;
+
+	  h = (struct elf_link_hash_entry *) bh;
 	  h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
 	  h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
 	  h->type = STT_SECTION;
@@ -3993,26 +3999,17 @@ _bfd_mips_elf_create_dynamic_sections (abfd, info)
 
   if (!info->shared)
     {
-      h = NULL;
-      if (SGI_COMPAT (abfd))
-	{
-	  if (!(_bfd_generic_link_add_one_symbol
-		(info, abfd, "_DYNAMIC_LINK", BSF_GLOBAL, bfd_abs_section_ptr,
-		 (bfd_vma) 0, (const char *) NULL, false,
-		 get_elf_backend_data (abfd)->collect,
-		 (struct bfd_link_hash_entry **) &h)))
-	    return false;
-	}
-      else
-	{
-	  /* For normal mips it is _DYNAMIC_LINKING.  */
-	  if (!(_bfd_generic_link_add_one_symbol
-		(info, abfd, "_DYNAMIC_LINKING", BSF_GLOBAL,
-		 bfd_abs_section_ptr, (bfd_vma) 0, (const char *) NULL, false,
-		 get_elf_backend_data (abfd)->collect,
-		 (struct bfd_link_hash_entry **) &h)))
-	    return false;
-	}
+      const char *name;
+
+      name = SGI_COMPAT (abfd) ? "_DYNAMIC_LINK" : "_DYNAMIC_LINKING";
+      bh = NULL;
+      if (!(_bfd_generic_link_add_one_symbol
+	    (info, abfd, name, BSF_GLOBAL, bfd_abs_section_ptr,
+	     (bfd_vma) 0, (const char *) NULL, false,
+	     get_elf_backend_data (abfd)->collect, &bh)))
+	return false;
+
+      h = (struct elf_link_hash_entry *) bh;
       h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
       h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
       h->type = STT_SECTION;
@@ -4029,26 +4026,15 @@ _bfd_mips_elf_create_dynamic_sections (abfd, info)
 	  s = bfd_get_section_by_name (abfd, ".rld_map");
 	  BFD_ASSERT (s != NULL);
 
-	  h = NULL;
-	  if (SGI_COMPAT (abfd))
-	    {
-	      if (!(_bfd_generic_link_add_one_symbol
-		    (info, abfd, "__rld_map", BSF_GLOBAL, s,
-		     (bfd_vma) 0, (const char *) NULL, false,
-		     get_elf_backend_data (abfd)->collect,
-		     (struct bfd_link_hash_entry **) &h)))
-		return false;
-	    }
-	  else
-	    {
-	      /* For normal mips the symbol is __RLD_MAP.  */
-	      if (!(_bfd_generic_link_add_one_symbol
-		    (info, abfd, "__RLD_MAP", BSF_GLOBAL, s,
-		     (bfd_vma) 0, (const char *) NULL, false,
-		     get_elf_backend_data (abfd)->collect,
-		     (struct bfd_link_hash_entry **) &h)))
-		return false;
-	    }
+	  name = SGI_COMPAT (abfd) ? "__rld_map" : "__RLD_MAP";
+	  bh = NULL;
+	  if (!(_bfd_generic_link_add_one_symbol
+		(info, abfd, name, BSF_GLOBAL, s,
+		 (bfd_vma) 0, (const char *) NULL, false,
+		 get_elf_backend_data (abfd)->collect, &bh)))
+	    return false;
+
+	  h = (struct elf_link_hash_entry *) bh;
 	  h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
 	  h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
 	  h->type = STT_OBJECT;
diff --git a/bfd/linker.c b/bfd/linker.c
index 242f8bd..e44ac6c 100644
--- a/bfd/linker.c
+++ b/bfd/linker.c
@@ -1305,6 +1305,7 @@ generic_link_add_symbol_list (abfd, info, symbol_count, symbols, collect)
 	  const char *name;
 	  const char *string;
 	  struct generic_link_hash_entry *h;
+	  struct bfd_link_hash_entry *bh;
 
 	  name = bfd_asymbol_name (p);
 	  if (((p->flags & BSF_INDIRECT) != 0
@@ -1326,12 +1327,12 @@ generic_link_add_symbol_list (abfd, info, symbol_count, symbols, collect)
 	  else
 	    string = NULL;
 
-	  h = NULL;
+	  bh = NULL;
 	  if (! (_bfd_generic_link_add_one_symbol
 		 (info, abfd, name, p->flags, bfd_get_section (p),
-		  p->value, string, false, collect,
-		  (struct bfd_link_hash_entry **) &h)))
+		  p->value, string, false, collect, &bh)))
 	    return false;
+	  h = (struct generic_link_hash_entry *) bh;
 
 	  /* If this is a constructor symbol, and the linker didn't do
              anything with it, then we want to just pass the symbol
diff --git a/bfd/xcofflink.c b/bfd/xcofflink.c
index a869d7d..e4e4755 100644
--- a/bfd/xcofflink.c
+++ b/bfd/xcofflink.c
@@ -1986,6 +1986,7 @@ xcoff_link_add_symbols (abfd, info)
 		      && h->descriptor == NULL)
 		    {
 		      struct xcoff_link_hash_entry *hds;
+		      struct bfd_link_hash_entry *bh;
 
 		      hds = xcoff_link_hash_lookup (xcoff_hash_table (info),
 						    h->root.root.string + 1,
@@ -1994,13 +1995,14 @@ xcoff_link_add_symbols (abfd, info)
 			goto error_return;
 		      if (hds->root.type == bfd_link_hash_new)
 			{
+			  bh = &hds->root;
 			  if (! (_bfd_generic_link_add_one_symbol
 				 (info, abfd, hds->root.root.string,
 				  (flagword) 0, bfd_und_section_ptr,
 				  (bfd_vma) 0, (const char *) NULL, false,
-				  true,
-				  (struct bfd_link_hash_entry **) &hds)))
+				  true, &bh)))
 			    goto error_return;
+			  hds = (struct xcoff_link_hash_entry *) bh;
 			}
 		      hds->flags |= XCOFF_DESCRIPTOR;
 		      BFD_ASSERT ((hds->flags & XCOFF_CALLED) == 0