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fix set but unused variable warnings

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This commit is contained in:
Alan Modra
2010-06-27 04:07:55 +00:00
parent 1addfd92eb
commit c7e2358a88
88 changed files with 701 additions and 789 deletions
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10
ld/ChangeLog
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@ -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.

4
ld/emultempl/aix.em
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@ -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))
{

7
ld/emultempl/xtensaelf.em
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@ -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

16
ld/pe-dll.c
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@ -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