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* elf32-xtensa.c (elf_xtensa_make_sym_local): Delete.

Browse Source 
(elf_xtensa_hide_symbol, elf_backend_hide_symbol): Delete.
	(elf_xtensa_fix_refcounts, elf_xtensa_allocate_plt_size)
	(elf_xtensa_allocate_got_size): Replace these with...
	(elf_xtensa_allocate_dynrelocs): ...this new function.
	(elf_xtensa_size_dynamic_sections): Use it.
This commit is contained in:
Bob Wilson 2007-02-05 17:42:38 +00:00
parent e5f131d1dc
commit f1ab23406b
2 changed files with 46 additions and 79 deletions
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9
bfd/ChangeLog
View File

@ -1,3 +1,12 @@
2007-02-05 Bob Wilson <bob.wilson@acm.org>
* elf32-xtensa.c (elf_xtensa_make_sym_local): Delete.
(elf_xtensa_hide_symbol, elf_backend_hide_symbol): Delete.
(elf_xtensa_fix_refcounts, elf_xtensa_allocate_plt_size)
(elf_xtensa_allocate_got_size): Replace these with...
(elf_xtensa_allocate_dynrelocs): ...this new function.
(elf_xtensa_size_dynamic_sections): Use it.
2007-02-05 Bob Wilson <bob.wilson@acm.org>
* elf32-xtensa.c (elf_howto_table) <R_XTENSA_GLOB_DAT>

116
bfd/elf32-xtensa.c
View File

@ -945,43 +945,6 @@ elf_xtensa_check_relocs (bfd *abfd,
}
static void
elf_xtensa_make_sym_local (struct bfd_link_info *info,
struct elf_link_hash_entry *h)
{
if (info->shared)
{
if (h->plt.refcount > 0)
{
/* Will use RELATIVE relocs instead of JMP_SLOT relocs. */
if (h->got.refcount < 0)
h->got.refcount = 0;
h->got.refcount += h->plt.refcount;
h->plt.refcount = 0;
}
}
else
{
/* Don't need any dynamic relocations at all. */
h->plt.refcount = 0;
h->got.refcount = 0;
}
}
static void
elf_xtensa_hide_symbol (struct bfd_link_info *info,
struct elf_link_hash_entry *h,
bfd_boolean force_local)
{
/* For a shared link, move the plt refcount to the got refcount to leave
space for RELATIVE relocs. */
elf_xtensa_make_sym_local (info, h);
_bfd_elf_link_hash_hide_symbol (info, h, force_local);
}
/* Return the section that should be marked against GC for a given
relocation. */
@ -1198,45 +1161,50 @@ elf_xtensa_adjust_dynamic_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
static bfd_boolean
elf_xtensa_fix_refcounts (struct elf_link_hash_entry *h, void *arg)
elf_xtensa_allocate_dynrelocs (struct elf_link_hash_entry *h, void *arg)
{
struct bfd_link_info *info = (struct bfd_link_info *) arg;
struct bfd_link_info *info;
struct elf_xtensa_link_hash_table *htab;
bfd_boolean is_dynamic;
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
if (h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
if (! elf_xtensa_dynamic_symbol_p (h, info))
elf_xtensa_make_sym_local (info, h);
info = (struct bfd_link_info *) arg;
htab = elf_xtensa_hash_table (info);
return TRUE;
}
is_dynamic = elf_xtensa_dynamic_symbol_p (h, info);
static bfd_boolean
elf_xtensa_allocate_plt_size (struct elf_link_hash_entry *h, void *arg)
{
asection *srelplt = (asection *) arg;
if (h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
if (! is_dynamic)
{
if (info->shared)
{
/* For shared objects, there's no need for PLT entries for local
symbols (use RELATIVE relocs instead of JMP_SLOT relocs). */
if (h->plt.refcount > 0)
{
if (h->got.refcount < 0)
h->got.refcount = 0;
h->got.refcount += h->plt.refcount;
h->plt.refcount = 0;
}
}
else
{
/* Don't need any dynamic relocations at all. */
h->plt.refcount = 0;
h->got.refcount = 0;
}
}
if (h->plt.refcount > 0)
srelplt->size += (h->plt.refcount * sizeof (Elf32_External_Rela));
return TRUE;
}
static bfd_boolean
elf_xtensa_allocate_got_size (struct elf_link_hash_entry *h, void *arg)
{
asection *srelgot = (asection *) arg;
if (h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
htab->srelplt->size += (h->plt.refcount * sizeof (Elf32_External_Rela));
if (h->got.refcount > 0)
srelgot->size += (h->got.refcount * sizeof (Elf32_External_Rela));
htab->srelgot->size += (h->got.refcount * sizeof (Elf32_External_Rela));
return TRUE;
}
@ -1316,28 +1284,19 @@ elf_xtensa_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
/* Allocate room for one word in ".got". */
htab->sgot->size = 4;
/* Adjust refcounts for symbols that we now know are not "dynamic". */
/* Allocate space in ".rela.got" for literals that reference global
symbols and space in ".rela.plt" for literals that have PLT
entries. */
elf_link_hash_traverse (elf_hash_table (info),
elf_xtensa_fix_refcounts,
elf_xtensa_allocate_dynrelocs,
(void *) info);
/* Allocate space in ".rela.got" for literals that reference
global symbols. */
elf_link_hash_traverse (elf_hash_table (info),
elf_xtensa_allocate_got_size,
(void *) srelgot);
/* If we are generating a shared object, we also need space in
".rela.got" for R_XTENSA_RELATIVE relocs for literals that
reference local symbols. */
if (info->shared)
elf_xtensa_allocate_local_got_size (info);
/* Allocate space in ".rela.plt" for literals that have PLT entries. */
elf_link_hash_traverse (elf_hash_table (info),
elf_xtensa_allocate_plt_size,
(void *) srelplt);
/* Allocate space in ".plt" to match the size of ".rela.plt". For
each PLT entry, we need the PLT code plus a 4-byte literal.
For each chunk of ".plt", we also need two more 4-byte
@ -9854,7 +9813,6 @@ static const struct bfd_elf_special_section elf_xtensa_special_sections[] =
#define elf_backend_gc_sweep_hook elf_xtensa_gc_sweep_hook
#define elf_backend_grok_prstatus elf_xtensa_grok_prstatus
#define elf_backend_grok_psinfo elf_xtensa_grok_psinfo
#define elf_backend_hide_symbol elf_xtensa_hide_symbol
#define elf_backend_object_p elf_xtensa_object_p
#define elf_backend_reloc_type_class elf_xtensa_reloc_type_class
#define elf_backend_relocate_section elf_xtensa_relocate_section