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authorAlan Modra <amodra@gmail.com>2005-08-17 03:07:12 +0000
committerAlan Modra <amodra@gmail.com>2005-08-17 03:07:12 +0000
commitccabcbe51e851173f957f893a4d90e522effe953 (patch)
tree58e824e5bc0c2afc9715726293f7b70531ac47e4 /bfd
parent71cead0b39b82d8ac361c76352b49785e5647890 (diff)
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* elflink.c (_bfd_elf_define_linkage_sym): Don't call
bfd_elf_link_record_dynamic_symbol. Call elf_backend_hide_symbol. (_bfd_elf_link_renumber_dynsyms): Formatting. (struct elf_gc_sweep_symbol_info): New. (elf_gc_sweep_symbol): Rewrite. (elf_gc_sweep): Adjust params and elf_gc_sweep_symbol call. Call _bfd_elf_link_renumber_dynsyms. (bfd_elf_gc_sections): Adjust elf_gc_sweep call.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog11
-rw-r--r--bfd/elflink.c62
2 files changed, 42 insertions, 31 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 5e17f89..ed9ead4 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,14 @@
+2005-08-17 Alan Modra <amodra@bigpond.net.au>
+
+ * elflink.c (_bfd_elf_define_linkage_sym): Don't call
+ bfd_elf_link_record_dynamic_symbol. Call elf_backend_hide_symbol.
+ (_bfd_elf_link_renumber_dynsyms): Formatting.
+ (struct elf_gc_sweep_symbol_info): New.
+ (elf_gc_sweep_symbol): Rewrite.
+ (elf_gc_sweep): Adjust params and elf_gc_sweep_symbol call.
+ Call _bfd_elf_link_renumber_dynsyms.
+ (bfd_elf_gc_sections): Adjust elf_gc_sweep call.
+
2005-08-16 Alan Modra <amodra@bigpond.net.au>
* elf64-ppc.c (ppc64_elf_edit_opd): Don't call dec_dynrel_count
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 14096aa..4414f0d 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -37,6 +37,7 @@ _bfd_elf_define_linkage_sym (bfd *abfd,
{
struct elf_link_hash_entry *h;
struct bfd_link_hash_entry *bh;
+ const struct elf_backend_data *bed;
h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE, FALSE);
if (h != NULL)
@@ -59,10 +60,8 @@ _bfd_elf_define_linkage_sym (bfd *abfd,
h->type = STT_OBJECT;
h->other = (h->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN;
- if (!info->executable
- && !bfd_elf_link_record_dynamic_symbol (info, h))
- return NULL;
-
+ bed = get_elf_backend_data (abfd);
+ (*bed->elf_backend_hide_symbol) (info, h, TRUE);
return h;
}
@@ -736,7 +735,8 @@ _bfd_elf_link_renumber_dynsyms (bfd *output_bfd,
if (dynsymcount != 0)
++dynsymcount;
- return elf_hash_table (info)->dynsymcount = dynsymcount;
+ elf_hash_table (info)->dynsymcount = dynsymcount;
+ return dynsymcount;
}
/* This function is called when we want to define a new symbol. It
@@ -8852,19 +8852,26 @@ _bfd_elf_gc_mark (struct bfd_link_info *info,
/* Sweep symbols in swept sections. Called via elf_link_hash_traverse. */
+struct elf_gc_sweep_symbol_info {
+ struct bfd_link_info *info;
+ void (*hide_symbol) (struct bfd_link_info *, struct elf_link_hash_entry *,
+ bfd_boolean);
+};
+
static bfd_boolean
-elf_gc_sweep_symbol (struct elf_link_hash_entry *h, void *idxptr)
+elf_gc_sweep_symbol (struct elf_link_hash_entry *h, void *data)
{
- int *idx = idxptr;
-
if (h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
- if (h->dynindx != -1
- && ((h->root.type != bfd_link_hash_defined
- && h->root.type != bfd_link_hash_defweak)
- || h->root.u.def.section->gc_mark))
- h->dynindx = (*idx)++;
+ if ((h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ && !h->root.u.def.section->gc_mark
+ && !(h->root.u.def.section->owner->flags & DYNAMIC))
+ {
+ struct elf_gc_sweep_symbol_info *inf = data;
+ (*inf->hide_symbol) (inf->info, h, TRUE);
+ }
return TRUE;
}
@@ -8875,9 +8882,13 @@ typedef bfd_boolean (*gc_sweep_hook_fn)
(bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
static bfd_boolean
-elf_gc_sweep (struct bfd_link_info *info, gc_sweep_hook_fn gc_sweep_hook)
+elf_gc_sweep (bfd *abfd, struct bfd_link_info *info)
{
bfd *sub;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ gc_sweep_hook_fn gc_sweep_hook = bed->gc_sweep_hook;
+ unsigned long section_sym_count;
+ struct elf_gc_sweep_symbol_info sweep_info;
for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
{
@@ -8934,20 +8945,12 @@ elf_gc_sweep (struct bfd_link_info *info, gc_sweep_hook_fn gc_sweep_hook)
/* Remove the symbols that were in the swept sections from the dynamic
symbol table. GCFIXME: Anyone know how to get them out of the
static symbol table as well? */
- {
- int i = 0;
-
- elf_link_hash_traverse (elf_hash_table (info), elf_gc_sweep_symbol, &i);
-
- /* There is an unused NULL entry at the head of the table which
- we must account for in our count. Unless there weren't any
- symbols, which means we'll have no table at all. */
- if (i != 0)
- ++i;
-
- elf_hash_table (info)->dynsymcount = i;
- }
+ sweep_info.info = info;
+ sweep_info.hide_symbol = bed->elf_backend_hide_symbol;
+ elf_link_hash_traverse (elf_hash_table (info), elf_gc_sweep_symbol,
+ &sweep_info);
+ _bfd_elf_link_renumber_dynsyms (abfd, info, &section_sym_count);
return TRUE;
}
@@ -9184,10 +9187,7 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
}
/* ... and mark SEC_EXCLUDE for those that go. */
- if (!elf_gc_sweep (info, get_elf_backend_data (abfd)->gc_sweep_hook))
- return FALSE;
-
- return TRUE;
+ return elf_gc_sweep (abfd, info);
}
/* Called from check_relocs to record the existence of a VTINHERIT reloc. */