fix set but unused variable warnings

4 files changed, 14 insertions, 23 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 975edc0..2548b75 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,13 @@
+2010-06-27  Alan Modra  <amodra@gmail.com>
+
+	* pe-dll.c (fill_edata): Avoid set but unused warning.
+	(pe_walk_relocs_of_symbol): Delete set but unused variables.
+	(generate_reloc, pe_implied_import_dll): Likewise.
+	* emultempl/aix.em (open_dynamic_archive): Likewise.
+	* emultempl/xtensaelf.em (replace_insn_sec_with_prop_sec): Likewise.
+	(xtensa_layout_wild): Likewise.
+	(xtensa_colocate_output_literals_callback): Likewise.
+
 2010-06-25  Alan Modra  <amodra@gmail.com>
 
 	* emultempl/ppc64elf.em (prelim_size_sections): New function.
diff --git a/ld/emultempl/aix.em b/ld/emultempl/aix.em
index 2790324..497f51d 100644
--- a/ld/emultempl/aix.em
+++ b/ld/emultempl/aix.em
@@ -10,7 +10,7 @@ fragment <<EOF
 
 /* AIX emulation code for ${EMULATION_NAME}
    Copyright 1991, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-   2003, 2004, 2005, 2006, 2007, 2008, 2009
+   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
    Free Software Foundation, Inc.
    Written by Steve Chamberlain <sac@cygnus.com>
    AIX support by Ian Lance Taylor <ian@cygnus.com>
@@ -1424,13 +1424,11 @@ gld${EMULATION_NAME}_open_dynamic_archive (const char *arch,
 					   search_dirs_type *search,
 					   lang_input_statement_type *entry)
 {
-  const char *filename;
   char *path;
 
   if (!entry->is_archive)
     return FALSE;
 
-  filename = entry->filename;
   path = concat (search->name, "/lib", entry->filename, arch, ".a", NULL);
   if (!ldfile_try_open_bfd (path, entry))
     {
diff --git a/ld/emultempl/xtensaelf.em b/ld/emultempl/xtensaelf.em
index 0ae0d1c..37e7f5c 100644
--- a/ld/emultempl/xtensaelf.em
+++ b/ld/emultempl/xtensaelf.em
@@ -1,5 +1,5 @@
 # This shell script emits a C file. -*- C -*-
-#   Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009
+#   Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 #   Free Software Foundation, Inc.
 #
 # This file is part of the GNU Binutils.
@@ -98,7 +98,6 @@ replace_insn_sec_with_prop_sec (bfd *abfd,
   bfd_byte *insn_contents = NULL;
   unsigned entry_count;
   unsigned entry;
-  Elf_Internal_Shdr *symtab_hdr;
   Elf_Internal_Rela *internal_relocs = NULL;
   unsigned reloc_count;
 
@@ -206,7 +205,6 @@ replace_insn_sec_with_prop_sec (bfd *abfd,
   if (internal_relocs)
     {
       unsigned i;
-      symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
 
       for (i = 0; i < reloc_count; i++)
 	{
@@ -1669,7 +1667,6 @@ xtensa_layout_wild (const reloc_deps_graph *deps, lang_wild_statement_type *w)
 static void
 xtensa_colocate_output_literals_callback (lang_statement_union_type *statement)
 {
-  lang_output_section_statement_type *os;
   reloc_deps_graph *deps;
   if (statement->header.type == lang_output_section_statement_enum)
     {
@@ -1691,8 +1688,6 @@ xtensa_colocate_output_literals_callback (lang_statement_union_type *statement)
 #endif
       bfd_boolean no_reorder = FALSE;
 
-      os = &statement->output_section_statement;
-
 #if EXTRA_VALIDATION
       old_child_count = ld_count_children (statement);
 #endif
diff --git a/ld/pe-dll.c b/ld/pe-dll.c
index 47722b6..9d3ee5d 100644
--- a/ld/pe-dll.c
+++ b/ld/pe-dll.c
@@ -1154,7 +1154,7 @@ fill_edata (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED)
 
   /* Note use of array pointer math here.  */
   edirectory = edata_d;
-  eaddresses = edata_d + 40;
+  eaddresses = edirectory + 40;
   enameptrs = eaddresses + 4 * export_table_size;
   eordinals = enameptrs + 4 * count_exported_byname;
   enamestr = (char *) eordinals + 2 * count_exported_byname;
@@ -1247,7 +1247,6 @@ pe_walk_relocs_of_symbol (struct bfd_link_info *info,
   for (b = info->input_bfds; b; b = b->link_next)
     {
       asymbol **symbols;
-      int nsyms;
 
       if (!bfd_generic_link_read_symbols (b))
 	{
@@ -1256,7 +1255,6 @@ pe_walk_relocs_of_symbol (struct bfd_link_info *info,
 	}
 
       symbols = bfd_get_outsymbols (b);
-      nsyms = bfd_get_symcount (b);
 
       for (s = b->sections; s; s = s->next)
 	{
@@ -1326,7 +1324,6 @@ generate_reloc (bfd *abfd, struct bfd_link_info *info)
 	{
 	  bfd_vma sec_vma = s->output_section->vma + s->output_offset;
 	  asymbol **symbols;
-	  int nsyms;
 
 	  /* If it's not loaded, we don't need to relocate it this way.  */
 	  if (!(s->output_section->flags & SEC_LOAD))
@@ -1353,7 +1350,6 @@ generate_reloc (bfd *abfd, struct bfd_link_info *info)
 	    }
 
 	  symbols = bfd_get_outsymbols (b);
-	  nsyms = bfd_get_symcount (b);
 	  relsize = bfd_get_reloc_upper_bound (b, s);
 	  relocs = xmalloc (relsize);
 	  nrelocs = bfd_canonicalize_reloc (b, s, relocs, symbols);
@@ -1368,7 +1364,6 @@ generate_reloc (bfd *abfd, struct bfd_link_info *info)
 	      if (!relocs[i]->howto->pc_relative
 		  && relocs[i]->howto->type != pe_details->imagebase_reloc)
 		{
-		  bfd_vma sym_vma;
 		  struct bfd_symbol *sym = *relocs[i]->sym_ptr_ptr;
 
 		  /* Don't create relocs for undefined weak symbols.  */
@@ -1400,11 +1395,6 @@ generate_reloc (bfd *abfd, struct bfd_link_info *info)
 			continue;
 		    }
 
-		  sym_vma = (relocs[i]->addend
-			     + sym->value
-			     + sym->section->vma
-			     + sym->section->output_offset
-			     + sym->section->output_section->vma);
 		  reloc_data[total_relocs].vma = sec_vma + relocs[i]->address;
 
 #define BITS_AND_SHIFT(bits, shift) (bits * 1000 | shift)
@@ -2992,7 +2982,7 @@ pe_implied_import_dll (const char *filename)
   bfd_vma exp_funcbase;
   unsigned char *expdata;
   char *erva;
-  bfd_vma name_rvas, ordinals, nexp, ordbase;
+  bfd_vma name_rvas, nexp;
   const char *dllname;
   /* Initialization with start > end guarantees that is_data
      will not be set by mistake, and avoids compiler warning.  */
@@ -3126,8 +3116,6 @@ pe_implied_import_dll (const char *filename)
 
   nexp = pe_as32 (expdata + 24);
   name_rvas = pe_as32 (expdata + 32);
-  ordinals = pe_as32 (expdata + 36);
-  ordbase = pe_as32 (expdata + 16);
   exp_funcbase = pe_as32 (expdata + 28);
 
   /* Use internal dll name instead of filename