binutils/binutils-plugin-as-needed.patch

183 lines
6.1 KiB
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--- binutils.orig/bfd/elflink.c 2020-11-03 11:59:59.966565009 +0000
+++ binutils-2.35.1/bfd/elflink.c 2020-11-03 12:07:34.691991602 +0000
@@ -4477,7 +4477,12 @@ elf_link_add_object_symbols (bfd *abfd,
h = (struct elf_link_hash_entry *) p;
entsize += htab->root.table.entsize;
if (h->root.type == bfd_link_hash_warning)
- entsize += htab->root.table.entsize;
+ {
+ entsize += htab->root.table.entsize;
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ }
+ if (h->root.type == bfd_link_hash_common)
+ entsize += sizeof (*h->root.u.c.p);
}
}
@@ -4521,14 +4526,20 @@ elf_link_add_object_symbols (bfd *abfd,
2020-10-14 09:26:27 +00:00
for (p = htab->root.table.table[i]; p != NULL; p = p->next)
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{
- memcpy (old_ent, p, htab->root.table.entsize);
- old_ent = (char *) old_ent + htab->root.table.entsize;
h = (struct elf_link_hash_entry *) p;
+ memcpy (old_ent, h, htab->root.table.entsize);
+ old_ent = (char *) old_ent + htab->root.table.entsize;
if (h->root.type == bfd_link_hash_warning)
{
- memcpy (old_ent, h->root.u.i.link, htab->root.table.entsize);
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ memcpy (old_ent, h, htab->root.table.entsize);
old_ent = (char *) old_ent + htab->root.table.entsize;
2020-10-14 09:26:27 +00:00
}
+ if (h->root.type == bfd_link_hash_common)
+ {
+ memcpy (old_ent, h->root.u.c.p, sizeof (*h->root.u.c.p));
+ old_ent = (char *) old_ent + sizeof (*h->root.u.c.p);
+ }
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}
}
}
@@ -4899,7 +4910,8 @@ elf_link_add_object_symbols (bfd *abfd,
}
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if (! (_bfd_generic_link_add_one_symbol
- (info, abfd, name, flags, sec, value, NULL, FALSE, bed->collect,
+ (info, abfd, name, flags, sec, value,
+ NULL, FALSE, bed->collect,
(struct bfd_link_hash_entry **) sym_hash)))
goto error_free_vers;
@@ -4970,11 +4982,10 @@ elf_link_add_object_symbols (bfd *abfd,
object and a shared object. */
bfd_boolean dynsym = FALSE;
- /* Plugin symbols aren't normal. Don't set def_regular or
- ref_regular for them, or make them dynamic. */
+ /* Plugin symbols aren't normal. Don't set def/ref flags. */
if ((abfd->flags & BFD_PLUGIN) != 0)
;
- else if (! dynamic)
+ else if (!dynamic)
{
if (! definition)
{
@@ -4991,14 +5002,6 @@ elf_link_add_object_symbols (bfd *abfd,
h->ref_dynamic = 1;
}
}
-
- /* If the indirect symbol has been forced local, don't
- make the real symbol dynamic. */
- if ((h == hi || !hi->forced_local)
- && (bfd_link_dll (info)
- || h->def_dynamic
- || h->ref_dynamic))
- dynsym = TRUE;
}
else
{
@@ -5012,14 +5015,25 @@ elf_link_add_object_symbols (bfd *abfd,
h->def_dynamic = 1;
hi->def_dynamic = 1;
}
+ }
- /* If the indirect symbol has been forced local, don't
- make the real symbol dynamic. */
- if ((h == hi || !hi->forced_local)
- && (h->def_regular
- || h->ref_regular
- || (h->is_weakalias
- && weakdef (h)->dynindx != -1)))
+ /* If an indirect symbol has been forced local, don't
+ make the real symbol dynamic. */
+ if (h != hi && hi->forced_local)
+ ;
+ else if (!dynamic)
+ {
+ if (bfd_link_dll (info)
+ || h->def_dynamic
+ || h->ref_dynamic)
+ dynsym = TRUE;
+ }
+ else
+ {
+ if (h->def_regular
+ || h->ref_regular
+ || (h->is_weakalias
+ && weakdef (h)->dynindx != -1))
dynsym = TRUE;
}
@@ -5214,6 +5228,9 @@ elf_link_add_object_symbols (bfd *abfd,
&& definition
&& ((dynsym
&& h->ref_regular_nonweak)
+ || (old_bfd != NULL
+ && (old_bfd->flags & BFD_PLUGIN) != 0
+ && bind != STB_WEAK)
|| (h->ref_dynamic_nonweak
&& (elf_dyn_lib_class (abfd) & DYN_AS_NEEDED) != 0
&& !on_needed_list (elf_dt_name (abfd),
@@ -5338,49 +5355,31 @@ elf_link_add_object_symbols (bfd *abfd,
{
struct bfd_hash_entry *p;
struct elf_link_hash_entry *h;
- bfd_size_type size;
- unsigned int alignment_power;
unsigned int non_ir_ref_dynamic;
for (p = htab->root.table.table[i]; p != NULL; p = p->next)
{
- h = (struct elf_link_hash_entry *) p;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
- /* Preserve the maximum alignment and size for common
- symbols even if this dynamic lib isn't on DT_NEEDED
- since it can still be loaded at run time by another
- dynamic lib. */
- if (h->root.type == bfd_link_hash_common)
- {
- size = h->root.u.c.size;
- alignment_power = h->root.u.c.p->alignment_power;
- }
- else
- {
- size = 0;
- alignment_power = 0;
- }
/* Preserve non_ir_ref_dynamic so that this symbol
will be exported when the dynamic lib becomes needed
in the second pass. */
+ h = (struct elf_link_hash_entry *) p;
+ if (h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
non_ir_ref_dynamic = h->root.non_ir_ref_dynamic;
- memcpy (p, old_ent, htab->root.table.entsize);
- old_ent = (char *) old_ent + htab->root.table.entsize;
+
h = (struct elf_link_hash_entry *) p;
+ memcpy (h, old_ent, htab->root.table.entsize);
+ old_ent = (char *) old_ent + htab->root.table.entsize;
if (h->root.type == bfd_link_hash_warning)
{
- memcpy (h->root.u.i.link, old_ent, htab->root.table.entsize);
- old_ent = (char *) old_ent + htab->root.table.entsize;
h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ memcpy (h, old_ent, htab->root.table.entsize);
+ old_ent = (char *) old_ent + htab->root.table.entsize;
}
if (h->root.type == bfd_link_hash_common)
{
- if (size > h->root.u.c.size)
- h->root.u.c.size = size;
- if (alignment_power > h->root.u.c.p->alignment_power)
- h->root.u.c.p->alignment_power = alignment_power;
+ memcpy (h->root.u.c.p, old_ent, sizeof (*h->root.u.c.p));
+ old_ent = (char *) old_ent + sizeof (*h->root.u.c.p);
}
h->root.non_ir_ref_dynamic = non_ir_ref_dynamic;
}