Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
return FALSE;
}
- flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
- | SEC_LINKER_CREATED);
+ flags = bed->dynamic_sec_flags;
s = bfd_make_section (abfd, ".got");
if (s == NULL
bed->got_symbol_offset, NULL, FALSE, bed->collect, &bh)))
return FALSE;
h = (struct elf_link_hash_entry *) bh;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
h->type = STT_OBJECT;
+ h->other = STV_HIDDEN;
if (! info->executable
&& ! bfd_elf_link_record_dynamic_symbol (info, h))
else
abfd = elf_hash_table (info)->dynobj;
- /* Note that we set the SEC_IN_MEMORY flag for all of these
- sections. */
- flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+ bed = get_elf_backend_data (abfd);
+
+ flags = bed->dynamic_sec_flags;
/* A dynamically linked executable has a .interp section, but a
shared library does not. */
elf_hash_table (info)->eh_info.hdr_sec = s;
}
- bed = get_elf_backend_data (abfd);
-
/* Create sections to hold version informations. These are removed
if they are not needed. */
s = bfd_make_section (abfd, ".gnu.version_d");
get_elf_backend_data (abfd)->collect, &bh)))
return FALSE;
h = (struct elf_link_hash_entry *) bh;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
h->type = STT_OBJECT;
if (! info->executable
/* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
.rel[a].bss sections. */
-
- flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
- | SEC_LINKER_CREATED);
+ flags = bed->dynamic_sec_flags;
pltflags = flags;
- pltflags |= SEC_CODE;
if (bed->plt_not_loaded)
+ /* We do not clear SEC_ALLOC here because we still want the OS to
+ allocate space for the section; it's just that there's nothing
+ to read in from the object file. */
pltflags &= ~ (SEC_CODE | SEC_LOAD | SEC_HAS_CONTENTS);
+ else
+ pltflags |= SEC_ALLOC | SEC_CODE | SEC_LOAD;
if (bed->plt_readonly)
pltflags |= SEC_READONLY;
FALSE, get_elf_backend_data (abfd)->collect, &bh)))
return FALSE;
h = (struct elf_link_hash_entry *) bh;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
h->type = STT_OBJECT;
if (! info->executable
if (h->root.type != bfd_link_hash_undefined
&& h->root.type != bfd_link_hash_undefweak)
{
- h->elf_link_hash_flags |= ELF_LINK_FORCED_LOCAL;
+ h->forced_local = 1;
return TRUE;
}
/* Since we're defining the symbol, don't let it seem to have not
been defined. record_dynamic_symbol and size_dynamic_sections
- may depend on this. */
+ may depend on this.
+ ??? Changing bfd_link_hash_undefined to bfd_link_hash_new (or
+ to bfd_link_hash_undefweak, see linker.c:link_action) runs the risk
+ of some later symbol manipulation setting the symbol back to
+ bfd_link_hash_undefined, and the linker trying to add the symbol to
+ the undefs list twice. */
if (h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_undefined)
h->root.type = bfd_link_hash_new;
if (h->root.type == bfd_link_hash_new)
- h->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
+ h->non_elf = 0;
/* If this symbol is being provided by the linker script, and it is
currently defined by a dynamic object, but not by a regular
object, then mark it as undefined so that the generic linker will
force the correct value. */
if (provide
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && h->def_dynamic
+ && !h->def_regular)
h->root.type = bfd_link_hash_undefined;
/* If this symbol is not being provided by the linker script, and it is
then clear out any version information because the symbol will not be
associated with the dynamic object any more. */
if (!provide
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && h->def_dynamic
+ && !h->def_regular)
h->verinfo.verdef = NULL;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
- if (((h->elf_link_hash_flags & (ELF_LINK_HASH_DEF_DYNAMIC
- | ELF_LINK_HASH_REF_DYNAMIC)) != 0
+ if ((h->def_dynamic
+ || h->ref_dynamic
|| info->shared)
&& h->dynindx == -1)
{
/* If this is a weak defined symbol, and we know a corresponding
real symbol from the same dynamic object, make sure the real
symbol is also made into a dynamic symbol. */
- if (h->weakdef != NULL
- && h->weakdef->dynindx == -1)
+ if (h->u.weakdef != NULL
+ && h->u.weakdef->dynindx == -1)
{
- if (! bfd_elf_link_record_dynamic_symbol (info, h->weakdef))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h->u.weakdef))
return FALSE;
}
}
bfd *dynobj = elf_hash_table (info)->dynobj;
if (dynobj != NULL
- && (ip = bfd_get_section_by_name (dynobj, p->name))
- != NULL
+ && (ip = bfd_get_section_by_name (dynobj, p->name)) != NULL
&& (ip->flags & SEC_LINKER_CREATED)
&& ip->output_section == p)
return TRUE;
bfd_boolean *type_change_ok,
bfd_boolean *size_change_ok)
{
- asection *sec;
+ asection *sec, *oldsec;
struct elf_link_hash_entry *h;
struct elf_link_hash_entry *flip;
int bind;
bfd *oldbfd;
bfd_boolean newdyn, olddyn, olddef, newdef, newdyncommon, olddyncommon;
- bfd_boolean newweak, oldweak;
+ bfd_boolean newweak, oldweak, old_asneeded;
*skip = FALSE;
*override = FALSE;
if (h->root.type == bfd_link_hash_new)
{
- h->elf_link_hash_flags &=~ ELF_LINK_NON_ELF;
+ h->non_elf = 0;
return TRUE;
}
- /* OLDBFD is a BFD associated with the existing symbol. */
+ /* OLDBFD and OLDSEC are a BFD and an ASECTION associated with the
+ existing symbol. */
switch (h->root.type)
{
default:
oldbfd = NULL;
+ oldsec = NULL;
break;
case bfd_link_hash_undefined:
case bfd_link_hash_undefweak:
oldbfd = h->root.u.undef.abfd;
+ oldsec = NULL;
break;
case bfd_link_hash_defined:
case bfd_link_hash_defweak:
oldbfd = h->root.u.def.section->owner;
+ oldsec = h->root.u.def.section;
break;
case bfd_link_hash_common:
oldbfd = h->root.u.c.p->section->owner;
+ oldsec = h->root.u.c.p->section;
break;
}
dynamic object, which we do want to handle here. */
if (abfd == oldbfd
&& ((abfd->flags & DYNAMIC) == 0
- || (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ || !h->def_regular))
return TRUE;
/* NEWDYN and OLDDYN indicate whether the new or old symbol,
else
olddef = TRUE;
+ /* If the old definition came from an as-needed dynamic library which
+ wasn't found to be needed, treat the sym as undefined. */
+ old_asneeded = FALSE;
+ if (newdyn
+ && olddyn
+ && (elf_dyn_lib_class (oldbfd) & DYN_AS_NEEDED) != 0)
+ old_asneeded = TRUE;
+
+ /* Check TLS symbol. */
+ if ((ELF_ST_TYPE (sym->st_info) == STT_TLS || h->type == STT_TLS)
+ && ELF_ST_TYPE (sym->st_info) != h->type)
+ {
+ bfd *ntbfd, *tbfd;
+ bfd_boolean ntdef, tdef;
+ asection *ntsec, *tsec;
+
+ if (h->type == STT_TLS)
+ {
+ ntbfd = abfd;
+ ntsec = sec;
+ ntdef = newdef;
+ tbfd = oldbfd;
+ tsec = oldsec;
+ tdef = olddef;
+ }
+ else
+ {
+ ntbfd = oldbfd;
+ ntsec = oldsec;
+ ntdef = olddef;
+ tbfd = abfd;
+ tsec = sec;
+ tdef = newdef;
+ }
+
+ if (tdef && ntdef)
+ (*_bfd_error_handler)
+ (_("%s: TLS definition in %B section %A mismatches non-TLS definition in %B section %A"),
+ tbfd, tsec, ntbfd, ntsec, h->root.root.string);
+ else if (!tdef && !ntdef)
+ (*_bfd_error_handler)
+ (_("%s: TLS reference in %B mismatches non-TLS reference in %B"),
+ tbfd, ntbfd, h->root.root.string);
+ else if (tdef)
+ (*_bfd_error_handler)
+ (_("%s: TLS definition in %B section %A mismatches non-TLS reference in %B"),
+ tbfd, tsec, ntbfd, h->root.root.string);
+ else
+ (*_bfd_error_handler)
+ (_("%s: TLS reference in %B mismatches non-TLS definition in %B section %A"),
+ tbfd, ntbfd, ntsec, h->root.root.string);
+
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
/* We need to remember if a symbol has a definition in a dynamic
object or is weak in all dynamic objects. Internal and hidden
visibility will make it unavailable to dynamic objects. */
- if (newdyn && (h->elf_link_hash_flags & ELF_LINK_DYNAMIC_DEF) == 0)
+ if (newdyn && !h->dynamic_def)
{
if (!bfd_is_und_section (sec))
- h->elf_link_hash_flags |= ELF_LINK_DYNAMIC_DEF;
+ h->dynamic_def = 1;
else
{
/* Check if this symbol is weak in all dynamic objects. If it
is the first time we see it in a dynamic object, we mark
if it is weak. Otherwise, we clear it. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0)
+ if (!h->ref_dynamic)
{
if (bind == STB_WEAK)
- h->elf_link_hash_flags |= ELF_LINK_DYNAMIC_WEAK;
+ h->dynamic_weak = 1;
}
else if (bind != STB_WEAK)
- h->elf_link_hash_flags &= ~ELF_LINK_DYNAMIC_WEAK;
+ h->dynamic_weak = 0;
}
}
{
*skip = TRUE;
/* Make sure this symbol is dynamic. */
- h->elf_link_hash_flags |= ELF_LINK_HASH_REF_DYNAMIC;
+ h->ref_dynamic = 1;
/* A protected symbol has external availability. Make sure it is
recorded as dynamic.
}
else if (!newdyn
&& ELF_ST_VISIBILITY (sym->st_other) != STV_DEFAULT
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0)
+ && h->def_dynamic)
{
/* If the new symbol with non-default visibility comes from a
relocatable file and the old definition comes from a dynamic
if ((*sym_hash)->root.type == bfd_link_hash_indirect)
h = *sym_hash;
- if ((h->root.und_next || info->hash->undefs_tail == &h->root)
+ if ((h->root.u.undef.next || info->hash->undefs_tail == &h->root)
&& bfd_is_und_section (sec))
{
/* If the new symbol is undefined and the old symbol was
also undefined before, we need to make sure
_bfd_generic_link_add_one_symbol doesn't mess
- up the linker hash table undefs list. Since the old
+ up the linker hash table undefs list. Since the old
definition came from a dynamic object, it is still on the
undefs list. */
h->root.type = bfd_link_hash_undefined;
- /* FIXME: What if the new symbol is weak undefined? */
h->root.u.undef.abfd = abfd;
}
else
h->root.u.undef.abfd = NULL;
}
- if (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC)
+ if (h->def_dynamic)
{
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_DEF_DYNAMIC;
- h->elf_link_hash_flags |= (ELF_LINK_HASH_REF_DYNAMIC
- | ELF_LINK_DYNAMIC_DEF);
+ h->def_dynamic = 0;
+ h->ref_dynamic = 1;
+ h->dynamic_def = 1;
}
/* FIXME: Should we check type and size for protected symbol? */
h->size = 0;
if (olddyn
&& olddef
+ && !old_asneeded
&& h->root.type == bfd_link_hash_defined
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
+ && h->def_dynamic
&& (h->root.u.def.section->flags & SEC_ALLOC) != 0
&& (h->root.u.def.section->flags & SEC_LOAD) == 0
&& h->size > 0
if (newdyn
&& newdef
- && (olddef
+ && ((olddef && !old_asneeded)
|| (h->root.type == bfd_link_hash_common
&& (newweak
|| ELF_ST_TYPE (sym->st_info) == STT_FUNC))))
symbol is a function or is weak. */
flip = NULL;
- if (! newdyn
+ if ((!newdyn || old_asneeded)
&& (newdef
|| (bfd_is_com_section (sec)
&& (oldweak
|| h->type == STT_FUNC)))
&& olddyn
&& olddef
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0)
+ && h->def_dynamic)
{
/* Change the hash table entry to undefined, and let
_bfd_generic_link_add_one_symbol do the right thing with the
h->root.u.i.link = (struct bfd_link_hash_entry *) flip;
(*bed->elf_backend_copy_indirect_symbol) (bed, flip, h);
flip->root.u.undef.abfd = h->root.u.undef.abfd;
- if (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC)
+ if (h->def_dynamic)
{
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_DEF_DYNAMIC;
- flip->elf_link_hash_flags |= ELF_LINK_HASH_REF_DYNAMIC;
+ h->def_dynamic = 0;
+ flip->ref_dynamic = 1;
}
}
h->root.type = bfd_link_hash_indirect;
h->root.u.i.link = (struct bfd_link_hash_entry *) hi;
- if (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC)
+ if (h->def_dynamic)
{
- h->elf_link_hash_flags &=~ ELF_LINK_HASH_DEF_DYNAMIC;
- hi->elf_link_hash_flags |= ELF_LINK_HASH_REF_DYNAMIC;
- if (hi->elf_link_hash_flags
- & (ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_DEF_REGULAR))
+ h->def_dynamic = 0;
+ hi->ref_dynamic = 1;
+ if (hi->ref_regular
+ || hi->def_regular)
{
if (! bfd_elf_link_record_dynamic_symbol (info, hi))
return FALSE;
if (! dynamic)
{
if (info->shared
- || ((hi->elf_link_hash_flags
- & ELF_LINK_HASH_REF_DYNAMIC) != 0))
+ || hi->ref_dynamic)
*dynsym = TRUE;
}
else
{
- if ((hi->elf_link_hash_flags
- & ELF_LINK_HASH_REF_REGULAR) != 0)
+ if (hi->ref_regular)
*dynsym = TRUE;
}
}
if (hi->root.type != bfd_link_hash_defined
&& hi->root.type != bfd_link_hash_defweak)
(*_bfd_error_handler)
- (_("%s: warning: unexpected redefinition of indirect versioned symbol `%s'"),
- bfd_archive_filename (abfd), shortname);
+ (_("%B: unexpected redefinition of indirect versioned symbol `%s'"),
+ abfd, shortname);
}
else
{
if (! dynamic)
{
if (info->shared
- || ((hi->elf_link_hash_flags
- & ELF_LINK_HASH_REF_DYNAMIC) != 0))
+ || hi->ref_dynamic)
*dynsym = TRUE;
}
else
{
- if ((hi->elf_link_hash_flags
- & ELF_LINK_HASH_REF_REGULAR) != 0)
+ if (hi->ref_regular)
*dynsym = TRUE;
}
}
h = (struct elf_link_hash_entry *) h->root.u.i.link;
if (h->dynindx == -1
- && (h->elf_link_hash_flags
- & (ELF_LINK_HASH_DEF_REGULAR | ELF_LINK_HASH_REF_REGULAR)) != 0)
+ && (h->def_regular
+ || h->ref_regular))
{
struct bfd_elf_version_tree *t;
struct bfd_elf_version_expr *d;
/* We only care about symbols defined in shared objects with version
information. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
- || (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
+ if (!h->def_dynamic
+ || h->def_regular
|| h->dynindx == -1
|| h->verinfo.verdef == NULL)
return TRUE;
/* We only need version numbers for symbols defined in regular
objects. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->def_regular)
return TRUE;
bed = get_elf_backend_data (sinfo->output_bfd);
if (*p == '\0')
{
if (hidden)
- h->elf_link_hash_flags |= ELF_LINK_HIDDEN;
+ h->hidden = 1;
return TRUE;
}
/* We could not find the version for a symbol when
generating a shared archive. Return an error. */
(*_bfd_error_handler)
- (_("%s: undefined versioned symbol name %s"),
- bfd_get_filename (sinfo->output_bfd), h->root.root.string);
+ (_("%B: undefined versioned symbol name %s"),
+ sinfo->output_bfd, h->root.root.string);
bfd_set_error (bfd_error_bad_value);
sinfo->failed = TRUE;
return FALSE;
}
if (hidden)
- h->elf_link_hash_flags |= ELF_LINK_HIDDEN;
+ h->hidden = 1;
}
/* If we don't have a version for this symbol, see if we can find
r_symndx >>= 24;
if ((size_t) r_symndx >= nsyms)
{
- char *sec_name = bfd_get_section_ident (sec);
(*_bfd_error_handler)
- (_("%s: bad reloc symbol index (0x%lx >= 0x%lx) for offset 0x%lx in section `%s'"),
- bfd_archive_filename (abfd), (unsigned long) r_symndx,
- (unsigned long) nsyms, irela->r_offset,
- sec_name ? sec_name : sec->name);
- if (sec_name)
- free (sec_name);
+ (_("%B: bad reloc symbol index (0x%lx >= 0x%lx)"
+ " for offset 0x%lx in section `%A'"),
+ abfd, sec,
+ (unsigned long) r_symndx, (unsigned long) nsyms, irela->r_offset);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
}
else
{
- char *sec_name = bfd_get_section_ident (input_section);
(*_bfd_error_handler)
- (_("%s: relocation size mismatch in %s section %s"),
- bfd_get_filename (output_bfd),
- bfd_archive_filename (input_section->owner),
- sec_name ? sec_name : input_section->name);
- if (sec_name)
- free (sec_name);
+ (_("%B: relocation size mismatch in %B section %A"),
+ output_bfd, input_section->owner, input_section);
bfd_set_error (bfd_error_wrong_object_format);
return FALSE;
}
DEF_REGULAR and REF_REGULAR correctly. This is the only way to
permit a non-ELF file to correctly refer to a symbol defined in
an ELF dynamic object. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_ELF) != 0)
+ if (h->non_elf)
{
while (h->root.type == bfd_link_hash_indirect)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
if (h->root.type != bfd_link_hash_defined
&& h->root.type != bfd_link_hash_defweak)
- h->elf_link_hash_flags |= (ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_REF_REGULAR_NONWEAK);
+ {
+ h->ref_regular = 1;
+ h->ref_regular_nonweak = 1;
+ }
else
{
if (h->root.u.def.section->owner != NULL
&& (bfd_get_flavour (h->root.u.def.section->owner)
== bfd_target_elf_flavour))
- h->elf_link_hash_flags |= (ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_REF_REGULAR_NONWEAK);
+ {
+ h->ref_regular = 1;
+ h->ref_regular_nonweak = 1;
+ }
else
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
}
if (h->dynindx == -1
- && ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- || (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) != 0))
+ && (h->def_dynamic
+ || h->ref_dynamic))
{
if (! bfd_elf_link_record_dynamic_symbol (eif->info, h))
{
}
else
{
- /* Unfortunately, ELF_LINK_NON_ELF is only correct if the symbol
+ /* Unfortunately, NON_ELF is only correct if the symbol
was first seen in a non-ELF file. Fortunately, if the symbol
was first seen in an ELF file, we're probably OK unless the
symbol was defined in a non-ELF file. Catch that case here.
a dynamic object, and then later in a non-ELF regular object. */
if ((h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0
+ && !h->def_regular
&& (h->root.u.def.section->owner != NULL
? (bfd_get_flavour (h->root.u.def.section->owner)
!= bfd_target_elf_flavour)
: (bfd_is_abs_section (h->root.u.def.section)
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) == 0)))
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ && !h->def_dynamic)))
+ h->def_regular = 1;
}
/* If this is a final link, and the symbol was defined as a common
symbol in a regular object file, and there was no definition in
any dynamic object, then the linker will have allocated space for
- the symbol in a common section but the ELF_LINK_HASH_DEF_REGULAR
+ the symbol in a common section but the DEF_REGULAR
flag will not have been set. */
if (h->root.type == bfd_link_hash_defined
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
+ && !h->def_regular
+ && h->ref_regular
+ && !h->def_dynamic
&& (h->root.u.def.section->owner->flags & DYNAMIC) == 0)
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
/* If -Bsymbolic was used (which means to bind references to global
symbols to the definition within the shared object), and this
need a PLT entry. Likewise, if the symbol has non-default
visibility. If the symbol has hidden or internal visibility, we
will force it local. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0
+ if (h->needs_plt
&& eif->info->shared
&& is_elf_hash_table (eif->info->hash)
&& (eif->info->symbolic
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0)
+ && h->def_regular)
{
const struct elf_backend_data *bed;
bfd_boolean force_local;
/* If this is a weak defined symbol in a dynamic object, and we know
the real definition in the dynamic object, copy interesting flags
over to the real definition. */
- if (h->weakdef != NULL)
+ if (h->u.weakdef != NULL)
{
struct elf_link_hash_entry *weakdef;
- weakdef = h->weakdef;
+ weakdef = h->u.weakdef;
if (h->root.type == bfd_link_hash_indirect)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|| h->root.type == bfd_link_hash_defweak);
BFD_ASSERT (weakdef->root.type == bfd_link_hash_defined
|| weakdef->root.type == bfd_link_hash_defweak);
- BFD_ASSERT (weakdef->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC);
+ BFD_ASSERT (weakdef->def_dynamic);
/* If the real definition is defined by a regular object file,
don't do anything special. See the longer description in
_bfd_elf_adjust_dynamic_symbol, below. */
- if ((weakdef->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0)
- h->weakdef = NULL;
+ if (weakdef->def_regular)
+ h->u.weakdef = NULL;
else
{
const struct elf_backend_data *bed;
to the dynamic symbol table. FIXME: Do we normally need to worry
about symbols which are defined by one dynamic object and
referenced by another one? */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) == 0
- && ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
- || (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
- || ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR) == 0
- && (h->weakdef == NULL || h->weakdef->dynindx == -1))))
+ if (!h->needs_plt
+ && (h->def_regular
+ || !h->def_dynamic
+ || (!h->ref_regular
+ && (h->u.weakdef == NULL || h->u.weakdef->dynindx == -1))))
{
h->plt = elf_hash_table (eif->info)->init_offset;
return TRUE;
/* If we've already adjusted this symbol, don't do it again. This
can happen via a recursive call. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DYNAMIC_ADJUSTED) != 0)
+ if (h->dynamic_adjusted)
return TRUE;
/* Don't look at this symbol again. Note that we must set this
after checking the above conditions, because we may look at a
symbol once, decide not to do anything, and then get called
recursively later after REF_REGULAR is set below. */
- h->elf_link_hash_flags |= ELF_LINK_HASH_DYNAMIC_ADJUSTED;
+ h->dynamic_adjusted = 1;
/* If this is a weak definition, and we know a real definition, and
the real symbol is not itself defined by a regular object file,
wind up at different memory locations. The tzset call will set
_timezone, leaving timezone unchanged. */
- if (h->weakdef != NULL)
+ if (h->u.weakdef != NULL)
{
/* If we get to this point, we know there is an implicit
reference by a regular object file via the weak symbol H.
FIXME: Is this really true? What if the traversal finds
- H->WEAKDEF before it finds H? */
- h->weakdef->elf_link_hash_flags |= ELF_LINK_HASH_REF_REGULAR;
+ H->U.WEAKDEF before it finds H? */
+ h->u.weakdef->ref_regular = 1;
- if (! _bfd_elf_adjust_dynamic_symbol (h->weakdef, eif))
+ if (! _bfd_elf_adjust_dynamic_symbol (h->u.weakdef, eif))
return FALSE;
}
code, and the assembly code fails to set the symbol type. */
if (h->size == 0
&& h->type == STT_NOTYPE
- && (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) == 0)
+ && !h->needs_plt)
(*_bfd_error_handler)
(_("warning: type and size of dynamic symbol `%s' are not defined"),
h->root.root.string);
/* If it was forced local, then clearly it's not dynamic. */
if (h->dynindx == -1)
return FALSE;
- if (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
+ if (h->forced_local)
return FALSE;
/* Identify the cases where name binding rules say that a
}
/* If it isn't defined locally, then clearly it's dynamic. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->def_regular)
return TRUE;
/* Otherwise, the symbol is dynamic if binding rules don't tell
/* Do nothing. */;
/* If we don't have a definition in a regular file, then we can't
resolve locally. The sym is either undefined or dynamic. */
- else if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ else if (!h->def_regular)
return FALSE;
/* Forced local symbols resolve locally. */
- if ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)
+ if (h->forced_local)
return TRUE;
/* As do non-dynamic symbols. */
if (! is_elf_hash_table (hash_table))
return FALSE;
+ if (info->warn_shared_textrel && info->shared && tag == DT_TEXTREL)
+ _bfd_error_handler
+ (_("warning: creating a DT_TEXTREL in a shared object."));
+
bed = get_elf_backend_data (hash_table->dynobj);
s = bfd_get_section_by_name (hash_table->dynobj, ".dynamic");
BFD_ASSERT (s != NULL);
_bfd_elf_swap_verdef_in (output_bfd, (Elf_External_Verdef *) p,
&def);
p += sizeof (Elf_External_Verdef);
+ if (def.vd_aux != sizeof (Elf_External_Verdef))
+ continue;
for (i = 0; i < def.vd_cnt; ++i)
{
_bfd_elf_swap_verdaux_in (output_bfd,
|| !is_elf_hash_table (hash_table)
|| hash_table->root.creator != abfd->xvec)
{
- bfd_set_error (bfd_error_invalid_operation);
+ if (info->relocatable)
+ bfd_set_error (bfd_error_invalid_operation);
+ else
+ bfd_set_error (bfd_error_wrong_format);
goto error_return;
}
}
if (dynamic)
{
/* Read in any version definitions. */
- if (! _bfd_elf_slurp_version_tables (abfd))
+ if (!_bfd_elf_slurp_version_tables (abfd,
+ info->default_imported_symver))
goto error_free_sym;
/* Read in the symbol versions, but don't bother to convert them
sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
if (sec == NULL)
sec = bfd_abs_section_ptr;
+ else if (sec->kept_section)
+ {
+ /* Symbols from discarded section are undefined. */
+ sec = bfd_und_section_ptr;
+ isym->st_shndx = SHN_UNDEF;
+ }
else if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
value -= sec->vma;
}
unsigned int vernum = 0;
bfd_boolean skip;
- if (ever != NULL)
+ if (ever == NULL)
{
- _bfd_elf_swap_versym_in (abfd, ever, &iver);
- vernum = iver.vs_vers & VERSYM_VERSION;
-
- /* If this is a hidden symbol, or if it is not version
- 1, we append the version name to the symbol name.
- However, we do not modify a non-hidden absolute
- symbol, because it might be the version symbol
- itself. FIXME: What if it isn't? */
- if ((iver.vs_vers & VERSYM_HIDDEN) != 0
- || (vernum > 1 && ! bfd_is_abs_section (sec)))
+ if (info->default_imported_symver)
+ /* Use the default symbol version created earlier. */
+ iver.vs_vers = elf_tdata (abfd)->cverdefs;
+ else
+ iver.vs_vers = 0;
+ }
+ else
+ _bfd_elf_swap_versym_in (abfd, ever, &iver);
+
+ vernum = iver.vs_vers & VERSYM_VERSION;
+
+ /* If this is a hidden symbol, or if it is not version
+ 1, we append the version name to the symbol name.
+ However, we do not modify a non-hidden absolute
+ symbol, because it might be the version symbol
+ itself. FIXME: What if it isn't? */
+ if ((iver.vs_vers & VERSYM_HIDDEN) != 0
+ || (vernum > 1 && ! bfd_is_abs_section (sec)))
+ {
+ const char *verstr;
+ size_t namelen, verlen, newlen;
+ char *newname, *p;
+
+ if (isym->st_shndx != SHN_UNDEF)
{
- const char *verstr;
- size_t namelen, verlen, newlen;
- char *newname, *p;
+ if (vernum > elf_tdata (abfd)->cverdefs)
+ verstr = NULL;
+ else if (vernum > 1)
+ verstr =
+ elf_tdata (abfd)->verdef[vernum - 1].vd_nodename;
+ else
+ verstr = "";
- if (isym->st_shndx != SHN_UNDEF)
+ if (verstr == NULL)
{
- if (vernum > elf_tdata (abfd)->dynverdef_hdr.sh_info)
- {
- (*_bfd_error_handler)
- (_("%s: %s: invalid version %u (max %d)"),
- bfd_archive_filename (abfd), name, vernum,
- elf_tdata (abfd)->dynverdef_hdr.sh_info);
- bfd_set_error (bfd_error_bad_value);
- goto error_free_vers;
- }
- else if (vernum > 1)
- verstr =
- elf_tdata (abfd)->verdef[vernum - 1].vd_nodename;
- else
- verstr = "";
+ (*_bfd_error_handler)
+ (_("%B: %s: invalid version %u (max %d)"),
+ abfd, name, vernum,
+ elf_tdata (abfd)->cverdefs);
+ bfd_set_error (bfd_error_bad_value);
+ goto error_free_vers;
}
- else
+ }
+ else
+ {
+ /* We cannot simply test for the number of
+ entries in the VERNEED section since the
+ numbers for the needed versions do not start
+ at 0. */
+ Elf_Internal_Verneed *t;
+
+ verstr = NULL;
+ for (t = elf_tdata (abfd)->verref;
+ t != NULL;
+ t = t->vn_nextref)
{
- /* We cannot simply test for the number of
- entries in the VERNEED section since the
- numbers for the needed versions do not start
- at 0. */
- Elf_Internal_Verneed *t;
-
- verstr = NULL;
- for (t = elf_tdata (abfd)->verref;
- t != NULL;
- t = t->vn_nextref)
- {
- Elf_Internal_Vernaux *a;
+ Elf_Internal_Vernaux *a;
- for (a = t->vn_auxptr; a != NULL; a = a->vna_nextptr)
+ for (a = t->vn_auxptr; a != NULL; a = a->vna_nextptr)
+ {
+ if (a->vna_other == vernum)
{
- if (a->vna_other == vernum)
- {
- verstr = a->vna_nodename;
- break;
- }
+ verstr = a->vna_nodename;
+ break;
}
- if (a != NULL)
- break;
- }
- if (verstr == NULL)
- {
- (*_bfd_error_handler)
- (_("%s: %s: invalid needed version %d"),
- bfd_archive_filename (abfd), name, vernum);
- bfd_set_error (bfd_error_bad_value);
- goto error_free_vers;
}
+ if (a != NULL)
+ break;
}
+ if (verstr == NULL)
+ {
+ (*_bfd_error_handler)
+ (_("%B: %s: invalid needed version %d"),
+ abfd, name, vernum);
+ bfd_set_error (bfd_error_bad_value);
+ goto error_free_vers;
+ }
+ }
- namelen = strlen (name);
- verlen = strlen (verstr);
- newlen = namelen + verlen + 2;
- if ((iver.vs_vers & VERSYM_HIDDEN) == 0
- && isym->st_shndx != SHN_UNDEF)
- ++newlen;
+ namelen = strlen (name);
+ verlen = strlen (verstr);
+ newlen = namelen + verlen + 2;
+ if ((iver.vs_vers & VERSYM_HIDDEN) == 0
+ && isym->st_shndx != SHN_UNDEF)
+ ++newlen;
- newname = bfd_alloc (abfd, newlen);
- if (newname == NULL)
- goto error_free_vers;
- memcpy (newname, name, namelen);
- p = newname + namelen;
- *p++ = ELF_VER_CHR;
- /* If this is a defined non-hidden version symbol,
- we add another @ to the name. This indicates the
- default version of the symbol. */
- if ((iver.vs_vers & VERSYM_HIDDEN) == 0
- && isym->st_shndx != SHN_UNDEF)
- *p++ = ELF_VER_CHR;
- memcpy (p, verstr, verlen + 1);
+ newname = bfd_alloc (abfd, newlen);
+ if (newname == NULL)
+ goto error_free_vers;
+ memcpy (newname, name, namelen);
+ p = newname + namelen;
+ *p++ = ELF_VER_CHR;
+ /* If this is a defined non-hidden version symbol,
+ we add another @ to the name. This indicates the
+ default version of the symbol. */
+ if ((iver.vs_vers & VERSYM_HIDDEN) == 0
+ && isym->st_shndx != SHN_UNDEF)
+ *p++ = ELF_VER_CHR;
+ memcpy (p, verstr, verlen + 1);
- name = newname;
- }
+ name = newname;
}
if (!_bfd_elf_merge_symbol (abfd, info, name, isym, &sec, &value,
&& (flags & BSF_WEAK) != 0
&& ELF_ST_TYPE (isym->st_info) != STT_FUNC
&& is_elf_hash_table (hash_table)
- && h->weakdef == NULL)
+ && h->u.weakdef == NULL)
{
/* Keep a list of all weak defined non function symbols from
a dynamic object, using the weakdef field. Later in this
dynamic object, and we will be using that previous
definition anyhow. */
- h->weakdef = weaks;
+ h->u.weakdef = weaks;
weaks = h;
new_weakdef = TRUE;
}
if (is_elf_hash_table (hash_table))
{
- int old_flags;
bfd_boolean dynsym;
- int new_flag;
/* Check the alignment when a common symbol is involved. This
can change when a common symbol is overridden by a normal
if (normal_align < common_align)
(*_bfd_error_handler)
- (_("Warning: alignment %u of symbol `%s' in %s is smaller than %u in %s"),
- 1 << normal_align,
- name,
- bfd_archive_filename (normal_bfd),
- 1 << common_align,
- bfd_archive_filename (common_bfd));
+ (_("Warning: alignment %u of symbol `%s' in %B"
+ " is smaller than %u in %B"),
+ normal_bfd, common_bfd,
+ 1 << normal_align, name, 1 << common_align);
}
/* Remember the symbol size and type. */
{
if (h->size != 0 && h->size != isym->st_size && ! size_change_ok)
(*_bfd_error_handler)
- (_("Warning: size of symbol `%s' changed from %lu in %s to %lu in %s"),
+ (_("Warning: size of symbol `%s' changed"
+ " from %lu in %B to %lu in %B"),
+ old_bfd, abfd,
name, (unsigned long) h->size,
- bfd_archive_filename (old_bfd),
- (unsigned long) isym->st_size,
- bfd_archive_filename (abfd));
+ (unsigned long) isym->st_size);
h->size = isym->st_size;
}
&& h->type != ELF_ST_TYPE (isym->st_info)
&& ! type_change_ok)
(*_bfd_error_handler)
- (_("Warning: type of symbol `%s' changed from %d to %d in %s"),
- name, h->type, ELF_ST_TYPE (isym->st_info),
- bfd_archive_filename (abfd));
+ (_("Warning: type of symbol `%s' changed"
+ " from %d to %d in %B"),
+ abfd, name, h->type, ELF_ST_TYPE (isym->st_info));
h->type = ELF_ST_TYPE (isym->st_info);
}
(*bed->elf_backend_merge_symbol_attribute) (h, isym, definition,
dynamic);
+ /* If this symbol has default visibility and the user has requested
+ we not re-export it, then mark it as hidden. */
+ if (definition && !dynamic
+ && (abfd->no_export
+ || (abfd->my_archive && abfd->my_archive->no_export))
+ && ELF_ST_VISIBILITY (isym->st_other) != STV_INTERNAL)
+ isym->st_other = STV_HIDDEN | (isym->st_other & ~ ELF_ST_VISIBILITY (-1));
+
if (isym->st_other != 0 && !dynamic)
{
unsigned char hvis, symvis, other, nvis;
the number of dynamic symbols we find. A dynamic symbol
is one which is referenced or defined by both a regular
object and a shared object. */
- old_flags = h->elf_link_hash_flags;
dynsym = FALSE;
if (! dynamic)
{
if (! definition)
{
- new_flag = ELF_LINK_HASH_REF_REGULAR;
+ h->ref_regular = 1;
if (bind != STB_WEAK)
- new_flag |= ELF_LINK_HASH_REF_REGULAR_NONWEAK;
+ h->ref_regular_nonweak = 1;
}
else
- new_flag = ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
if (! info->executable
- || (old_flags & (ELF_LINK_HASH_DEF_DYNAMIC
- | ELF_LINK_HASH_REF_DYNAMIC)) != 0)
+ || h->def_dynamic
+ || h->ref_dynamic)
dynsym = TRUE;
}
else
{
if (! definition)
- new_flag = ELF_LINK_HASH_REF_DYNAMIC;
+ h->ref_dynamic = 1;
else
- new_flag = ELF_LINK_HASH_DEF_DYNAMIC;
- if ((old_flags & (ELF_LINK_HASH_DEF_REGULAR
- | ELF_LINK_HASH_REF_REGULAR)) != 0
- || (h->weakdef != NULL
+ h->def_dynamic = 1;
+ if (h->def_regular
+ || h->ref_regular
+ || (h->u.weakdef != NULL
&& ! new_weakdef
- && h->weakdef->dynindx != -1))
+ && h->u.weakdef->dynindx != -1))
dynsym = TRUE;
}
- h->elf_link_hash_flags |= new_flag;
-
/* Check to see if we need to add an indirect symbol for
the default name. */
if (definition || h->root.type == bfd_link_hash_common)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
goto error_free_vers;
- if (h->weakdef != NULL
+ if (h->u.weakdef != NULL
&& ! new_weakdef
- && h->weakdef->dynindx == -1)
+ && h->u.weakdef->dynindx == -1)
{
- if (! bfd_elf_link_record_dynamic_symbol (info, h->weakdef))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h->u.weakdef))
goto error_free_vers;
}
}
if (!add_needed
&& definition
&& dynsym
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_REF_REGULAR) != 0)
+ && h->ref_regular)
{
int ret;
const char *soname = elf_dt_name (abfd);
{
(*_bfd_error_handler)
(_("%s: invalid DSO for symbol `%s' definition"),
- bfd_archive_filename (abfd), name);
+ abfd, name);
bfd_set_error (bfd_error_bad_value);
goto error_free_vers;
}
+ elf_dyn_lib_class (abfd) &= ~DYN_AS_NEEDED;
+
add_needed = TRUE;
ret = elf_add_dt_needed_tag (info, soname, add_needed);
if (ret < 0)
size_t i, j, idx;
hlook = weaks;
- weaks = hlook->weakdef;
- hlook->weakdef = NULL;
+ weaks = hlook->u.weakdef;
+ hlook->u.weakdef = NULL;
BFD_ASSERT (hlook->root.type == bfd_link_hash_defined
|| hlook->root.type == bfd_link_hash_defweak
break;
else if (h != hlook)
{
- hlook->weakdef = h;
+ hlook->u.weakdef = h;
/* If the weak definition is in the list of dynamic
symbols, make sure the real definition is put
return FALSE;
}
+/* Return the linker hash table entry of a symbol that might be
+ satisfied by an archive symbol. Return -1 on error. */
+
+struct elf_link_hash_entry *
+_bfd_elf_archive_symbol_lookup (bfd *abfd,
+ struct bfd_link_info *info,
+ const char *name)
+{
+ struct elf_link_hash_entry *h;
+ char *p, *copy;
+ size_t len, first;
+
+ h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE, FALSE);
+ if (h != NULL)
+ return h;
+
+ /* If this is a default version (the name contains @@), look up the
+ symbol again with only one `@' as well as without the version.
+ The effect is that references to the symbol with and without the
+ version will be matched by the default symbol in the archive. */
+
+ p = strchr (name, ELF_VER_CHR);
+ if (p == NULL || p[1] != ELF_VER_CHR)
+ return h;
+
+ /* First check with only one `@'. */
+ len = strlen (name);
+ copy = bfd_alloc (abfd, len);
+ if (copy == NULL)
+ return (struct elf_link_hash_entry *) 0 - 1;
+
+ first = p - name + 1;
+ memcpy (copy, name, first);
+ memcpy (copy + first, name + first + 1, len - first);
+
+ h = elf_link_hash_lookup (elf_hash_table (info), copy, FALSE, FALSE, FALSE);
+ if (h == NULL)
+ {
+ /* We also need to check references to the symbol without the
+ version. */
+ copy[first - 1] = '\0';
+ h = elf_link_hash_lookup (elf_hash_table (info), copy,
+ FALSE, FALSE, FALSE);
+ }
+
+ bfd_release (abfd, copy);
+ return h;
+}
+
/* Add symbols from an ELF archive file to the linker hash table. We
don't use _bfd_generic_link_add_archive_symbols because of a
problem which arises on UnixWare. The UnixWare libc.so is an
carsym *symdefs;
bfd_boolean loop;
bfd_size_type amt;
+ const struct elf_backend_data *bed;
+ struct elf_link_hash_entry * (*archive_symbol_lookup)
+ (bfd *, struct bfd_link_info *, const char *);
if (! bfd_has_map (abfd))
{
goto error_return;
symdefs = bfd_ardata (abfd)->symdefs;
+ bed = get_elf_backend_data (abfd);
+ archive_symbol_lookup = bed->elf_backend_archive_symbol_lookup;
do
{
continue;
}
- h = elf_link_hash_lookup (elf_hash_table (info), symdef->name,
- FALSE, FALSE, FALSE);
-
- if (h == NULL)
- {
- char *p, *copy;
- size_t len, first;
-
- /* If this is a default version (the name contains @@),
- look up the symbol again with only one `@' as well
- as without the version. The effect is that references
- to the symbol with and without the version will be
- matched by the default symbol in the archive. */
-
- p = strchr (symdef->name, ELF_VER_CHR);
- if (p == NULL || p[1] != ELF_VER_CHR)
- continue;
-
- /* First check with only one `@'. */
- len = strlen (symdef->name);
- copy = bfd_alloc (abfd, len);
- if (copy == NULL)
- goto error_return;
- first = p - symdef->name + 1;
- memcpy (copy, symdef->name, first);
- memcpy (copy + first, symdef->name + first + 1, len - first);
-
- h = elf_link_hash_lookup (elf_hash_table (info), copy,
- FALSE, FALSE, FALSE);
-
- if (h == NULL)
- {
- /* We also need to check references to the symbol
- without the version. */
-
- copy[first - 1] = '\0';
- h = elf_link_hash_lookup (elf_hash_table (info),
- copy, FALSE, FALSE, FALSE);
- }
-
- bfd_release (abfd, copy);
- }
+ h = archive_symbol_lookup (abfd, info, symdef->name);
+ if (h == (struct elf_link_hash_entry *) 0 - 1)
+ goto error_return;
if (h == NULL)
continue;
/* And store it in the struct so that we can put it in the hash table
later. */
- h->elf_hash_value = ha;
+ h->u.elf_hash_value = ha;
if (alc != NULL)
free (alc);
/* Mark this version if there is a definition and it is
not defined in a shared object. */
if (newh != NULL
- && ((newh->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) == 0)
+ && !newh->def_dynamic
&& (newh->root.type == bfd_link_hash_defined
|| newh->root.type == bfd_link_hash_defweak))
d->symver = 1;
return FALSE;
/* Add some entries to the .dynamic section. We fill in some of the
- values later, in elf_bfd_final_link, but we must add the entries
+ values later, in bfd_elf_final_link, but we must add the entries
now so that we know the final size of the .dynamic section. */
/* If there are initialization and/or finalization functions to
FALSE, FALSE)
: NULL);
if (h != NULL
- && (h->elf_link_hash_flags & (ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_DEF_REGULAR)) != 0)
+ && (h->ref_regular
+ || h->def_regular))
{
if (!_bfd_elf_add_dynamic_entry (info, DT_INIT, 0))
return FALSE;
FALSE, FALSE)
: NULL);
if (h != NULL
- && (h->elf_link_hash_flags & (ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_DEF_REGULAR)) != 0)
+ && (h->ref_regular
+ || h->def_regular))
{
if (!_bfd_elf_add_dynamic_entry (info, DT_FINI, 0))
return FALSE;
== SHT_PREINIT_ARRAY)
{
(*_bfd_error_handler)
- (_("%s: .preinit_array section is not allowed in DSO"),
- bfd_archive_filename (sub));
+ (_("%B: .preinit_array section is not allowed in DSO"),
+ sub);
break;
}
if (verdefs != NULL && verdefs->vernum == 0)
verdefs = verdefs->next;
- if (verdefs == NULL)
+ if (verdefs == NULL && !info->create_default_symver)
_bfd_strip_section_from_output (info, s);
else
{
bfd_byte *p;
Elf_Internal_Verdef def;
Elf_Internal_Verdaux defaux;
+ struct bfd_link_hash_entry *bh;
+ struct elf_link_hash_entry *h;
+ const char *name;
cdefs = 0;
size = 0;
size += sizeof (Elf_External_Verdaux);
++cdefs;
+ /* Make space for the default version. */
+ if (info->create_default_symver)
+ {
+ size += sizeof (Elf_External_Verdef);
+ ++cdefs;
+ }
+
for (t = verdefs; t != NULL; t = t->next)
{
struct bfd_elf_version_deps *n;
def.vd_flags = VER_FLG_BASE;
def.vd_ndx = 1;
def.vd_cnt = 1;
- def.vd_aux = sizeof (Elf_External_Verdef);
- def.vd_next = (sizeof (Elf_External_Verdef)
- + sizeof (Elf_External_Verdaux));
+ if (info->create_default_symver)
+ {
+ def.vd_aux = 2 * sizeof (Elf_External_Verdef);
+ def.vd_next = sizeof (Elf_External_Verdef);
+ }
+ else
+ {
+ def.vd_aux = sizeof (Elf_External_Verdef);
+ def.vd_next = (sizeof (Elf_External_Verdef)
+ + sizeof (Elf_External_Verdaux));
+ }
if (soname_indx != (bfd_size_type) -1)
{
soname_indx);
def.vd_hash = bfd_elf_hash (soname);
defaux.vda_name = soname_indx;
+ name = soname;
}
else
{
- const char *name;
bfd_size_type indx;
name = basename (output_bfd->filename);
_bfd_elf_swap_verdef_out (output_bfd, &def,
(Elf_External_Verdef *) p);
p += sizeof (Elf_External_Verdef);
+ if (info->create_default_symver)
+ {
+ /* Add a symbol representing this version. */
+ bh = NULL;
+ if (! (_bfd_generic_link_add_one_symbol
+ (info, dynobj, name, BSF_GLOBAL, bfd_abs_section_ptr,
+ 0, NULL, FALSE,
+ get_elf_backend_data (dynobj)->collect, &bh)))
+ return FALSE;
+ h = (struct elf_link_hash_entry *) bh;
+ h->non_elf = 0;
+ h->def_regular = 1;
+ h->type = STT_OBJECT;
+ h->verinfo.vertree = NULL;
+
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+
+ /* Create a duplicate of the base version with the same
+ aux block, but different flags. */
+ def.vd_flags = 0;
+ def.vd_ndx = 2;
+ def.vd_aux = sizeof (Elf_External_Verdef);
+ if (verdefs)
+ def.vd_next = (sizeof (Elf_External_Verdef)
+ + sizeof (Elf_External_Verdaux));
+ else
+ def.vd_next = 0;
+ _bfd_elf_swap_verdef_out (output_bfd, &def,
+ (Elf_External_Verdef *) p);
+ p += sizeof (Elf_External_Verdef);
+ }
_bfd_elf_swap_verdaux_out (output_bfd, &defaux,
(Elf_External_Verdaux *) p);
p += sizeof (Elf_External_Verdaux);
{
unsigned int cdeps;
struct bfd_elf_version_deps *n;
- struct elf_link_hash_entry *h;
- struct bfd_link_hash_entry *bh;
cdeps = 0;
for (n = t->deps; n != NULL; n = n->next)
get_elf_backend_data (dynobj)->collect, &bh)))
return FALSE;
h = (struct elf_link_hash_entry *) bh;
- h->elf_link_hash_flags &= ~ ELF_LINK_NON_ELF;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->non_elf = 0;
+ h->def_regular = 1;
h->type = STT_OBJECT;
h->verinfo.vertree = t;
&& t->locals.list == NULL
&& ! t->used)
def.vd_flags |= VER_FLG_WEAK;
- def.vd_ndx = t->vernum + 1;
+ def.vd_ndx = t->vernum + (info->create_default_symver ? 2 : 1);
def.vd_cnt = cdeps + 1;
def.vd_hash = bfd_elf_hash (t->name);
def.vd_aux = sizeof (Elf_External_Verdef);
s = bfd_get_section_by_name (dynobj, ".gnu.version");
BFD_ASSERT (s != NULL);
if (dynsymcount == 0
- || (verdefs == NULL && elf_tdata (output_bfd)->verref == NULL))
+ || (verdefs == NULL && elf_tdata (output_bfd)->verref == NULL
+ && !info->create_default_symver))
{
_bfd_strip_section_from_output (info, s);
/* The DYNSYMCOUNT might have changed if we were going to
bfd_byte *erel, *erelend;
asection *o = lo->u.indirect.section;
+ if (o->contents == NULL && o->size != 0)
+ {
+ /* This is a reloc section that is being handled as a normal
+ section. See bfd_section_from_shdr. We can't combine
+ relocs in this case. */
+ free (sort);
+ return 0;
+ }
erel = o->contents;
erelend = o->contents + o->size;
p = sort + o->output_offset / ext_size * sort_elt;
/* Decide whether to output this symbol in this pass. */
if (eoinfo->localsyms)
{
- if ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ if (!h->forced_local)
return TRUE;
}
else
{
- if ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)
+ if (h->forced_local)
return TRUE;
}
references in regular files have already been handled). If we
are reporting errors for this situation then do so now. */
if (h->root.type == bfd_link_hash_undefined
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR) == 0
+ && h->ref_dynamic
+ && !h->ref_regular
&& ! elf_link_check_versioned_symbol (finfo->info, bed, h)
&& finfo->info->unresolved_syms_in_shared_libs != RM_IGNORE)
{
shared libraries. */
if (! finfo->info->relocatable
&& (! finfo->info->shared)
- && (h->elf_link_hash_flags
- & (ELF_LINK_FORCED_LOCAL | ELF_LINK_HASH_REF_DYNAMIC | ELF_LINK_DYNAMIC_DEF | ELF_LINK_DYNAMIC_WEAK))
- == (ELF_LINK_FORCED_LOCAL | ELF_LINK_HASH_REF_DYNAMIC)
+ && h->forced_local
+ && h->ref_dynamic
+ && !h->dynamic_def
+ && !h->dynamic_weak
&& ! elf_link_check_versioned_symbol (finfo->info, bed, h))
{
(*_bfd_error_handler)
- (_("%s: %s symbol `%s' in %s is referenced by DSO"),
- bfd_get_filename (finfo->output_bfd),
+ (_("%B: %s symbol `%s' in %B is referenced by DSO"),
+ finfo->output_bfd, h->root.u.def.section->owner,
ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
? "internal"
: ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
- ? "hidden" : "local",
- h->root.root.string,
- bfd_archive_filename (h->root.u.def.section->owner));
+ ? "hidden" : "local",
+ h->root.root.string);
eoinfo->failed = TRUE;
return FALSE;
}
output it. */
if (h->indx == -2)
strip = FALSE;
- else if (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- || (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) != 0)
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR) == 0)
+ else if ((h->def_dynamic
+ || h->ref_dynamic)
+ && !h->def_regular
+ && !h->ref_regular)
strip = TRUE;
else if (finfo->info->strip == strip_all)
strip = TRUE;
nothing else to do unless it is a forced local symbol. */
if (strip
&& h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
return TRUE;
sym.st_value = 0;
sym.st_size = h->size;
sym.st_other = h->other;
- if ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)
+ if (h->forced_local)
sym.st_info = ELF_ST_INFO (STB_LOCAL, h->type);
else if (h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_defweak)
input_sec->output_section);
if (sym.st_shndx == SHN_BAD)
{
- char *sec_name = bfd_get_section_ident (input_sec);
(*_bfd_error_handler)
- (_("%s: could not find output section %s for input section %s"),
- bfd_get_filename (finfo->output_bfd),
- input_sec->output_section->name,
- sec_name ? sec_name : input_sec->name);
- if (sec_name)
- free (sec_name);
+ (_("%B: could not find output section %A for input section %A"),
+ finfo->output_bfd, input_sec->output_section, input_sec);
eoinfo->failed = TRUE;
return FALSE;
}
symbol. FIXME: Not calling elf_backend_finish_dynamic_symbol for
forced local syms when non-shared is due to a historical quirk. */
if ((h->dynindx != -1
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)
+ || h->forced_local)
&& ((finfo->info->shared
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak))
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ || !h->forced_local)
&& elf_hash_table (finfo->info)->dynamic_sections_created)
{
if (! ((*bed->elf_backend_finish_dynamic_symbol)
because it might not be marked as undefined until the
finish_dynamic_symbol routine gets through with it. */
if (sym.st_shndx == SHN_UNDEF
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR) != 0
+ && h->ref_regular
&& (ELF_ST_BIND (sym.st_info) == STB_GLOBAL
|| ELF_ST_BIND (sym.st_info) == STB_WEAK))
{
int bindtype;
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK) != 0)
+ if (h->ref_regular_nonweak)
bindtype = STB_GLOBAL;
else
bindtype = STB_WEAK;
&& ELF_ST_VISIBILITY (sym.st_other) != STV_DEFAULT
&& ELF_ST_BIND (sym.st_info) != STB_WEAK
&& h->root.type == bfd_link_hash_undefined
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && !h->def_regular)
{
(*_bfd_error_handler)
- (_("%s: %s symbol `%s' isn't defined"),
- bfd_get_filename (finfo->output_bfd),
- ELF_ST_VISIBILITY (sym.st_other) == STV_PROTECTED
- ? "protected"
- : ELF_ST_VISIBILITY (sym.st_other) == STV_INTERNAL
- ? "internal" : "hidden",
- h->root.root.string);
+ (_("%B: %s symbol `%s' isn't defined"),
+ finfo->output_bfd,
+ ELF_ST_VISIBILITY (sym.st_other) == STV_PROTECTED
+ ? "protected"
+ : ELF_ST_VISIBILITY (sym.st_other) == STV_INTERNAL
+ ? "internal" : "hidden",
+ h->root.root.string);
eoinfo->failed = TRUE;
return FALSE;
}
bed->s->swap_symbol_out (finfo->output_bfd, &sym, esym, 0);
bucketcount = elf_hash_table (finfo->info)->bucketcount;
- bucket = h->elf_hash_value % bucketcount;
+ bucket = h->u.elf_hash_value % bucketcount;
hash_entry_size
= elf_section_data (finfo->hash_sec)->this_hdr.sh_entsize;
bucketpos = ((bfd_byte *) finfo->hash_sec->contents
Elf_Internal_Versym iversym;
Elf_External_Versym *eversym;
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->def_regular)
{
if (h->verinfo.verdef == NULL)
iversym.vs_vers = 0;
iversym.vs_vers = 1;
else
iversym.vs_vers = h->verinfo.vertree->vernum + 1;
+ if (finfo->info->create_default_symver)
+ iversym.vs_vers++;
}
- if ((h->elf_link_hash_flags & ELF_LINK_HIDDEN) != 0)
+ if (h->hidden)
iversym.vs_vers |= VERSYM_HIDDEN;
eversym = (Elf_External_Versym *) finfo->symver_sec->contents;
return FALSE;
}
-/* Return TRUE if we should complain about a reloc in SEC against a
- symbol defined in a discarded section. */
-
-static bfd_boolean
-elf_section_complain_discarded (asection *sec)
+enum action_discarded
+ {
+ COMPLAIN = 1,
+ PRETEND = 2
+ };
+
+/* Return a mask saying how ld should treat relocations in SEC against
+ symbols defined in discarded sections. If this function returns
+ COMPLAIN set, ld will issue a warning message. If this function
+ returns PRETEND set, and the discarded section was link-once and the
+ same size as the kept link-once section, ld will pretend that the
+ symbol was actually defined in the kept section. Otherwise ld will
+ zero the reloc (at least that is the intent, but some cooperation by
+ the target dependent code is needed, particularly for REL targets). */
+
+static unsigned int
+elf_action_discarded (asection *sec)
{
- if (strncmp (".stab", sec->name, 5) == 0
- && (!sec->name[5] ||
- (sec->name[5] == '.' && ISDIGIT (sec->name[6]))))
- return FALSE;
+ if (sec->flags & SEC_DEBUGGING)
+ return PRETEND;
if (strcmp (".eh_frame", sec->name) == 0)
- return FALSE;
+ return 0;
if (strcmp (".gcc_except_table", sec->name) == 0)
- return FALSE;
+ return 0;
if (strcmp (".PARISC.unwind", sec->name) == 0)
- return FALSE;
+ return 0;
- return TRUE;
+ if (strcmp (".fixup", sec->name) == 0)
+ return 0;
+
+ return COMPLAIN | PRETEND;
}
/* Find a match between a section and a member of a section group. */
if (!elf_section_ignore_discarded_relocs (o))
{
Elf_Internal_Rela *rel, *relend;
- bfd_boolean complain = elf_section_complain_discarded (o);
+ unsigned int action = elf_action_discarded (o);
rel = internal_relocs;
relend = rel + o->reloc_count * bed->s->int_rels_per_ext_rel;
struct elf_link_hash_entry *h = NULL;
const char *sym_name;
+ if (r_symndx == STN_UNDEF)
+ continue;
+
if (r_symndx >= locsymcount
|| (elf_bad_symtab (input_bfd)
&& finfo->sections[r_symndx] == NULL))
{
Elf_Internal_Sym *sym = isymbuf + r_symndx;
ps = &finfo->sections[r_symndx];
- sym_name = bfd_elf_local_sym_name (input_bfd, sym);
+ sym_name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym);
}
/* Complain if the definition comes from a
discarded section. */
if ((sec = *ps) != NULL && elf_discarded_section (sec))
{
- if ((o->flags & SEC_DEBUGGING) != 0)
- {
- BFD_ASSERT (r_symndx != 0);
-
- /* Try to preserve debug information.
- FIXME: This is quite broken. Modifying
- the symbol here means we will be changing
- all uses of the symbol, not just those in
- debug sections. The only thing that makes
- this half reasonable is that debug sections
- tend to come after other sections. Of
- course, that doesn't help with globals.
- ??? All link-once sections of the same name
- ought to define the same set of symbols, so
- it would seem that globals ought to always
- be defined in the kept section. */
- if (sec->kept_section != NULL)
- {
- asection *member;
+ asection *kept;
- /* Check if it is a linkonce section or
- member of a comdat group. */
- if (elf_sec_group (sec) == NULL
- && sec->size == sec->kept_section->size)
- {
- *ps = sec->kept_section;
- continue;
- }
- else if (elf_sec_group (sec) != NULL
- && (member = match_group_member (sec, sec->kept_section))
- && sec->size == member->size)
- {
- *ps = member;
- continue;
- }
- }
+ BFD_ASSERT (r_symndx != 0);
+ if (action & COMPLAIN)
+ {
+ (*_bfd_error_handler)
+ (_("`%s' referenced in section `%A' of %B: "
+ "defined in discarded section `%A' of %B\n"),
+ o, input_bfd, sec, sec->owner, sym_name);
}
- else if (complain)
+
+ /* Try to do the best we can to support buggy old
+ versions of gcc. If we've warned, or this is
+ debugging info, pretend that the symbol is
+ really defined in the kept linkonce section.
+ FIXME: This is quite broken. Modifying the
+ symbol here means we will be changing all later
+ uses of the symbol, not just in this section.
+ The only thing that makes this half reasonable
+ is that we warn in non-debug sections, and
+ debug sections tend to come after other
+ sections. */
+ kept = sec->kept_section;
+ if (kept != NULL && (action & PRETEND))
{
- char *r_sec
- = bfd_get_section_ident (o);
- char *d_sec
- = bfd_get_section_ident (sec);
- finfo->info->callbacks->error_handler
- (LD_DEFINITION_IN_DISCARDED_SECTION,
- _("`%T' referenced in section `%s' of %B: "
- "defined in discarded section `%s' of %B\n"),
- sym_name, sym_name,
- r_sec ? r_sec : o->name, input_bfd,
- d_sec ? d_sec : sec->name, sec->owner);
- if (r_sec)
- free (r_sec);
- if (d_sec)
- free (d_sec);
+ if (elf_sec_group (sec) != NULL)
+ kept = match_group_member (sec, kept);
+ if (kept != NULL
+ && sec->size == kept->size)
+ {
+ *ps = kept;
+ continue;
+ }
}
/* Remove the symbol reference from the reloc, but
symbol. We set the rel_hash entry for this
reloc to point to the global hash table entry
for this symbol. The symbol index is then
- set at the end of elf_bfd_final_link. */
+ set at the end of bfd_elf_final_link. */
indx = r_symndx - extsymoff;
rh = elf_sym_hashes (input_bfd)[indx];
while (rh->root.type == bfd_link_hash_indirect
else
sym_name = link_order->u.reloc.p->u.name;
if (! ((*info->callbacks->reloc_overflow)
- (info, sym_name, howto->name, addend, NULL, NULL, 0)))
+ (info, NULL, sym_name, howto->name, addend, NULL,
+ NULL, (bfd_vma) 0)))
{
free (buf);
return FALSE;
elf_shdrp = elf_elfsections (s->owner);
elfsec = _bfd_elf_section_from_bfd_section (s->owner, s);
elfsec = elf_shdrp[elfsec]->sh_link;
- s = elf_shdrp[elfsec]->bfd_section;
- return s->output_section->vma + s->output_offset;
+ /* PR 290:
+ The Intel C compiler generates SHT_IA_64_UNWIND with
+ SHF_LINK_ORDER. But it doesn't set theh sh_link or
+ sh_info fields. Hence we could get the situation
+ where elfsec is 0. */
+ if (elfsec == 0)
+ {
+ const struct elf_backend_data *bed
+ = get_elf_backend_data (s->owner);
+ if (bed->link_order_error_handler)
+ bed->link_order_error_handler
+ (_("%B: warning: sh_link not set for section `%A'"), s->owner, s);
+ return 0;
+ }
+ else
+ {
+ s = elf_shdrp[elfsec]->bfd_section;
+ return s->output_section->vma + s->output_offset;
+ }
}
if (seen_other && seen_linkorder)
{
- (*_bfd_error_handler) (_("%s: has both ordered and unordered sections"),
- o->name);
+ (*_bfd_error_handler) (_("%A has both ordered and unordered sections"),
+ o);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
if (! _bfd_elf_compute_section_file_positions (abfd, info))
goto error_return;
- /* That created the reloc sections. Set their sizes, and assign
- them file positions, and allocate some buffers. */
+ /* Set sizes, and assign file positions for reloc sections. */
for (o = abfd->sections; o != NULL; o = o->next)
{
if ((o->flags & SEC_RELOC) != 0)
if (o == NULL)
{
(*_bfd_error_handler)
- (_("%s: could not find output section %s"),
- bfd_get_filename (abfd), name);
+ (_("%B: could not find output section %s"), abfd, name);
goto error_return;
}
if (o->size == 0)
if (o == NULL)
{
(*_bfd_error_handler)
- (_("%s: could not find output section %s"),
- bfd_get_filename (abfd), name);
+ (_("%B: could not find output section %s"), abfd, name);
goto error_return;
}
dyn.d_un.d_ptr = o->vma;
(asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *, Elf_Internal_Sym *);
-static bfd_boolean
-elf_gc_mark (struct bfd_link_info *info,
- asection *sec,
- gc_mark_hook_fn gc_mark_hook)
+bfd_boolean
+_bfd_elf_gc_mark (struct bfd_link_info *info,
+ asection *sec,
+ gc_mark_hook_fn gc_mark_hook)
{
bfd_boolean ret;
asection *group_sec;
/* Mark all the sections in the group. */
group_sec = elf_section_data (sec)->next_in_group;
if (group_sec && !group_sec->gc_mark)
- if (!elf_gc_mark (info, group_sec, gc_mark_hook))
+ if (!_bfd_elf_gc_mark (info, group_sec, gc_mark_hook))
return FALSE;
/* Look through the section relocs. */
{
if (bfd_get_flavour (rsec->owner) != bfd_target_elf_flavour)
rsec->gc_mark = 1;
- else if (!elf_gc_mark (info, rsec, gc_mark_hook))
+ else if (!_bfd_elf_gc_mark (info, rsec, gc_mark_hook))
{
ret = FALSE;
goto out2;
for (o = sub->sections; o != NULL; o = o->next)
{
- /* Keep special sections. Keep .debug sections. */
- if ((o->flags & SEC_LINKER_CREATED)
- || (o->flags & SEC_DEBUGGING))
+ /* Keep debug and special sections. */
+ if ((o->flags & (SEC_DEBUGGING | SEC_LINKER_CREATED)) != 0
+ || (o->flags & (SEC_ALLOC | SEC_LOAD)) == 0)
o->gc_mark = 1;
if (o->gc_mark)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
/* Those that are not vtables. */
- if (h->vtable_parent == NULL)
+ if (h->vtable == NULL || h->vtable->parent == NULL)
return TRUE;
/* Those vtables that do not have parents, we cannot merge. */
- if (h->vtable_parent == (struct elf_link_hash_entry *) -1)
+ if (h->vtable->parent == (struct elf_link_hash_entry *) -1)
return TRUE;
/* If we've already been done, exit. */
- if (h->vtable_entries_used && h->vtable_entries_used[-1])
+ if (h->vtable->used && h->vtable->used[-1])
return TRUE;
/* Make sure the parent's table is up to date. */
- elf_gc_propagate_vtable_entries_used (h->vtable_parent, okp);
+ elf_gc_propagate_vtable_entries_used (h->vtable->parent, okp);
- if (h->vtable_entries_used == NULL)
+ if (h->vtable->used == NULL)
{
/* None of this table's entries were referenced. Re-use the
parent's table. */
- h->vtable_entries_used = h->vtable_parent->vtable_entries_used;
- h->vtable_entries_size = h->vtable_parent->vtable_entries_size;
+ h->vtable->used = h->vtable->parent->vtable->used;
+ h->vtable->size = h->vtable->parent->vtable->size;
}
else
{
bfd_boolean *cu, *pu;
/* Or the parent's entries into ours. */
- cu = h->vtable_entries_used;
+ cu = h->vtable->used;
cu[-1] = TRUE;
- pu = h->vtable_parent->vtable_entries_used;
+ pu = h->vtable->parent->vtable->used;
if (pu != NULL)
{
const struct elf_backend_data *bed;
bed = get_elf_backend_data (h->root.u.def.section->owner);
log_file_align = bed->s->log_file_align;
- n = h->vtable_parent->vtable_entries_size >> log_file_align;
+ n = h->vtable->parent->vtable->size >> log_file_align;
while (n--)
{
if (*pu)
/* Take care of both those symbols that do not describe vtables as
well as those that are not loaded. */
- if (h->vtable_parent == NULL)
+ if (h->vtable == NULL || h->vtable->parent == NULL)
return TRUE;
BFD_ASSERT (h->root.type == bfd_link_hash_defined
if (rel->r_offset >= hstart && rel->r_offset < hend)
{
/* If the entry is in use, do nothing. */
- if (h->vtable_entries_used
- && (rel->r_offset - hstart) < h->vtable_entries_size)
+ if (h->vtable->used
+ && (rel->r_offset - hstart) < h->vtable->size)
{
bfd_vma entry = (rel->r_offset - hstart) >> log_file_align;
- if (h->vtable_entries_used[entry])
+ if (h->vtable->used[entry])
continue;
}
/* Otherwise, kill it. */
if ((h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC))
+ && h->ref_dynamic)
h->root.u.def.section->flags |= SEC_KEEP;
return TRUE;
EH frame section. */
if (strcmp (o->name, ".eh_frame") == 0)
o->gc_mark = 1;
- else if (!elf_gc_mark (info, o, gc_mark_hook))
+ else if (!_bfd_elf_gc_mark (info, o, gc_mark_hook))
return FALSE;
}
}
struct elf_link_hash_entry **search, *child;
bfd_size_type extsymcount;
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
- char *sec_name;
/* The sh_info field of the symtab header tells us where the
external symbols start. We don't care about the local symbols at
goto win;
}
- sec_name = bfd_get_section_ident (sec);
- (*_bfd_error_handler) ("%s: %s+%lu: No symbol found for INHERIT",
- bfd_archive_filename (abfd),
- sec_name ? sec_name : sec->name,
- (unsigned long) offset);
+ (*_bfd_error_handler) ("%B: %A+%lu: No symbol found for INHERIT",
+ abfd, sec, (unsigned long) offset);
bfd_set_error (bfd_error_invalid_operation);
return FALSE;
win:
+ if (!child->vtable)
+ {
+ child->vtable = bfd_zalloc (abfd, sizeof (*child->vtable));
+ if (!child->vtable)
+ return FALSE;
+ }
if (!h)
{
/* This *should* only be the absolute section. It could potentially
would be bad. It isn't worth paging in the local symbols to be
sure though; that case should simply be handled by the assembler. */
- child->vtable_parent = (struct elf_link_hash_entry *) -1;
+ child->vtable->parent = (struct elf_link_hash_entry *) -1;
}
else
- child->vtable_parent = h;
+ child->vtable->parent = h;
return TRUE;
}
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
unsigned int log_file_align = bed->s->log_file_align;
- if (addend >= h->vtable_entries_size)
+ if (!h->vtable)
+ {
+ h->vtable = bfd_zalloc (abfd, sizeof (*h->vtable));
+ if (!h->vtable)
+ return FALSE;
+ }
+
+ if (addend >= h->vtable->size)
{
size_t size, bytes, file_align;
- bfd_boolean *ptr = h->vtable_entries_used;
+ bfd_boolean *ptr = h->vtable->used;
/* While the symbol is undefined, we have to be prepared to handle
a zero size. */
{
size_t oldbytes;
- oldbytes = (((h->vtable_entries_size >> log_file_align) + 1)
+ oldbytes = (((h->vtable->size >> log_file_align) + 1)
* sizeof (bfd_boolean));
memset (((char *) ptr) + oldbytes, 0, bytes - oldbytes);
}
return FALSE;
/* And arrange for that done flag to be at index -1. */
- h->vtable_entries_used = ptr + 1;
- h->vtable_entries_size = size;
+ h->vtable->used = ptr + 1;
+ h->vtable->size = size;
}
- h->vtable_entries_used[addend >> log_file_align] = TRUE;
+ h->vtable->used[addend >> log_file_align] = TRUE;
return TRUE;
}
return ret;
}
-struct already_linked_section
-{
- asection *sec;
- asection *linked;
-};
-
-/* Check if the member of a single member comdat group matches a
- linkonce section and vice versa. */
-static bfd_boolean
-try_match_symbols_in_sections
- (struct bfd_section_already_linked_hash_entry *h, void *info)
-{
- struct bfd_section_already_linked *l;
- struct already_linked_section *s
- = (struct already_linked_section *) info;
-
- if (elf_sec_group (s->sec) == NULL)
- {
- /* It is a linkonce section. Try to match it with the member of a
- single member comdat group. */
- for (l = h->entry; l != NULL; l = l->next)
- if ((l->sec->flags & SEC_GROUP))
- {
- asection *first = elf_next_in_group (l->sec);
-
- if (first != NULL
- && elf_next_in_group (first) == first
- && bfd_elf_match_symbols_in_sections (first, s->sec))
- {
- s->linked = first;
- return FALSE;
- }
- }
- }
- else
- {
- /* It is the member of a single member comdat group. Try to match
- it with a linkonce section. */
- for (l = h->entry; l != NULL; l = l->next)
- if ((l->sec->flags & SEC_GROUP) == 0
- && bfd_coff_get_comdat_section (l->sec->owner, l->sec) == NULL
- && bfd_elf_match_symbols_in_sections (l->sec, s->sec))
- {
- s->linked = l->sec;
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-static bfd_boolean
-already_linked (asection *sec, asection *group)
-{
- struct already_linked_section result;
-
- result.sec = sec;
- result.linked = NULL;
-
- bfd_section_already_linked_table_traverse
- (try_match_symbols_in_sections, &result);
-
- if (result.linked)
- {
- sec->output_section = bfd_abs_section_ptr;
- sec->kept_section = result.linked;
-
- /* Also discard the group section. */
- if (group)
- group->output_section = bfd_abs_section_ptr;
-
- return TRUE;
- }
-
- return FALSE;
-}
-
void
_bfd_elf_section_already_linked (bfd *abfd, struct bfd_section * sec)
{
flagword flags;
- const char *name;
+ const char *name, *p;
struct bfd_section_already_linked *l;
struct bfd_section_already_linked_hash_entry *already_linked_list;
asection *group;
name = bfd_get_section_name (abfd, sec);
- already_linked_list = bfd_section_already_linked_table_lookup (name);
+ if (strncmp (name, ".gnu.linkonce.", sizeof (".gnu.linkonce.") - 1) == 0
+ && (p = strchr (name + sizeof (".gnu.linkonce.") - 1, '.')) != NULL)
+ p++;
+ else
+ p = name;
+
+ already_linked_list = bfd_section_already_linked_table_lookup (p);
for (l = already_linked_list->entry; l != NULL; l = l->next)
{
a linkonce section with a linkonce section, and ignore comdat
section. */
if ((flags & SEC_GROUP) == (l->sec->flags & SEC_GROUP)
+ && strcmp (name, l->sec->name) == 0
&& bfd_coff_get_comdat_section (l->sec->owner, l->sec) == NULL)
{
/* The section has already been linked. See if we should
- issue a warning. */
+ issue a warning. */
switch (flags & SEC_LINK_DUPLICATES)
{
default:
case SEC_LINK_DUPLICATES_ONE_ONLY:
(*_bfd_error_handler)
- (_("%s: %s: warning: ignoring duplicate section `%s'\n"),
- bfd_archive_filename (abfd), name);
+ (_("%B: ignoring duplicate section `%A'\n"),
+ abfd, sec);
break;
case SEC_LINK_DUPLICATES_SAME_SIZE:
if (sec->size != l->sec->size)
(*_bfd_error_handler)
- (_("%s: %s: warning: duplicate section `%s' has different size\n"),
- bfd_archive_filename (abfd), name);
+ (_("%B: duplicate section `%A' has different size\n"),
+ abfd, sec);
+ break;
+
+ case SEC_LINK_DUPLICATES_SAME_CONTENTS:
+ if (sec->size != l->sec->size)
+ (*_bfd_error_handler)
+ (_("%B: duplicate section `%A' has different size\n"),
+ abfd, sec);
+ else if (sec->size != 0)
+ {
+ bfd_byte *sec_contents, *l_sec_contents;
+
+ if (!bfd_malloc_and_get_section (abfd, sec, &sec_contents))
+ (*_bfd_error_handler)
+ (_("%B: warning: could not read contents of section `%A'\n"),
+ abfd, sec);
+ else if (!bfd_malloc_and_get_section (l->sec->owner, l->sec,
+ &l_sec_contents))
+ (*_bfd_error_handler)
+ (_("%B: warning: could not read contents of section `%A'\n"),
+ l->sec->owner, l->sec);
+ else if (memcmp (sec_contents, l_sec_contents, sec->size) != 0)
+ (*_bfd_error_handler)
+ (_("%B: warning: duplicate section `%A' has different contents\n"),
+ abfd, sec);
+
+ if (sec_contents)
+ free (sec_contents);
+ if (l_sec_contents)
+ free (l_sec_contents);
+ }
break;
}
section. We only record the discarded comdat group. Otherwise
the undiscarded group will be discarded incorrectly later since
itself has been recorded. */
- if (! already_linked (elf_next_in_group (sec), group))
+ for (l = already_linked_list->entry; l != NULL; l = l->next)
+ if ((l->sec->flags & SEC_GROUP) == 0
+ && bfd_coff_get_comdat_section (l->sec->owner, l->sec) == NULL
+ && bfd_elf_match_symbols_in_sections (l->sec,
+ elf_next_in_group (sec)))
+ {
+ elf_next_in_group (sec)->output_section = bfd_abs_section_ptr;
+ elf_next_in_group (sec)->kept_section = l->sec;
+ group->output_section = bfd_abs_section_ptr;
+ break;
+ }
+ if (l == NULL)
return;
}
else
/* There is no direct match. But for linkonce section, we should
check if there is a match with comdat group member. We always
record the linkonce section, discarded or not. */
- already_linked (sec, group);
-
+ for (l = already_linked_list->entry; l != NULL; l = l->next)
+ if (l->sec->flags & SEC_GROUP)
+ {
+ asection *first = elf_next_in_group (l->sec);
+
+ if (first != NULL
+ && elf_next_in_group (first) == first
+ && bfd_elf_match_symbols_in_sections (first, sec))
+ {
+ sec->output_section = bfd_abs_section_ptr;
+ sec->kept_section = l->sec;
+ break;
+ }
+ }
+
/* This is the first section with this name. Record it. */
bfd_section_already_linked_table_insert (already_linked_list, sec);
}
projects / deliverable / binutils-gdb.git / blobdiff