/* COFF specific linker code.
- Copyright (C) 1994-2014 Free Software Foundation, Inc.
+ Copyright (C) 1994-2017 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
if (h->type != bfd_link_hash_undefined)
return TRUE;
+ /* Include this element? */
if (!(*info->callbacks->add_archive_element) (info, abfd, name, &abfd))
- return FALSE;
+ return TRUE;
*pneeded = TRUE;
return coff_link_add_object_symbols (abfd, info);
& COFF_LINK_HASH_PE_SECTION_SYMBOL) == 0
&& (*sym_hash)->root.type != bfd_link_hash_undefined
&& (*sym_hash)->root.type != bfd_link_hash_undefweak)
- (*_bfd_error_handler)
- ("Warning: symbol `%s' is both section and non-section",
+ _bfd_error_handler
+ (_("Warning: symbol `%s' is both section and non-section"),
name);
addit = FALSE;
&& !(DTYPE ((*sym_hash)->type) == DTYPE (sym.n_type)
&& (BTYPE ((*sym_hash)->type) == T_NULL
|| BTYPE (sym.n_type) == T_NULL)))
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext: c-format */
(_("Warning: type of symbol `%s' changed from %d to %d in %B"),
abfd, name, (*sym_hash)->type, sym.n_type);
/* If this is a non-traditional, non-relocatable link, try to
optimize the handling of any .stab/.stabstr sections. */
- if (! info->relocatable
+ if (! bfd_link_relocatable (info)
&& ! info->traditional_format
&& bfd_get_flavour (info->output_bfd) == bfd_get_flavour (abfd)
&& (info->strip != strip_all && info->strip != strip_debugger))
|| info->strip == strip_some)
o->lineno_count += sec->lineno_count;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
o->reloc_count += sec->reloc_count;
if (sec->rawsize > max_contents_size)
if (sec->reloc_count > max_reloc_count)
max_reloc_count = sec->reloc_count;
}
- else if (info->relocatable
+ else if (bfd_link_relocatable (info)
&& (p->type == bfd_section_reloc_link_order
|| p->type == bfd_symbol_reloc_link_order))
++o->reloc_count;
/* If doing a relocatable link, allocate space for the pointers we
need to keep. */
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
unsigned int i;
memory until the end of the link. This wastes memory,
but only when doing a relocatable link, which is not the
common case. */
- BFD_ASSERT (info->relocatable);
+ BFD_ASSERT (bfd_link_relocatable (info));
amt = o->reloc_count;
amt *= sizeof (struct internal_reloc);
flaginfo.section_info[o->target_index].relocs =
flaginfo.contents = (bfd_byte *) bfd_malloc (max_contents_size);
amt = max_reloc_count * relsz;
flaginfo.external_relocs = (bfd_byte *) bfd_malloc (amt);
- if (! info->relocatable)
+ if (! bfd_link_relocatable (info))
{
amt = max_reloc_count * sizeof (struct internal_reloc);
flaginfo.internal_relocs = (struct internal_reloc *) bfd_malloc (amt);
|| (flaginfo.linenos == NULL && max_lineno_count > 0)
|| (flaginfo.contents == NULL && max_contents_size > 0)
|| (flaginfo.external_relocs == NULL && max_reloc_count > 0)
- || (! info->relocatable
+ || (! bfd_link_relocatable (info)
&& flaginfo.internal_relocs == NULL
&& max_reloc_count > 0))
goto error_return;
asymbol *sym = bfd_get_outsymbols (sub) [i];
file_ptr pos;
struct internal_syment isym;
- bfd_size_type string_size = 0;
+ union internal_auxent iaux;
+ bfd_size_type string_size = 0, indx;
bfd_vma written = 0;
- bfd_boolean rewrite = FALSE;
+ bfd_boolean rewrite = FALSE, hash;
if (! (sym->flags & BSF_LOCAL)
|| (sym->flags & (BSF_SECTION_SYM | BSF_DEBUGGING_RELOC
== NULL))
|| (((flaginfo.info->discard == discard_sec_merge
&& (bfd_get_section (sym)->flags & SEC_MERGE)
- && ! flaginfo.info->relocatable)
+ && ! bfd_link_relocatable (flaginfo.info))
|| flaginfo.info->discard == discard_l)
&& bfd_is_local_label_name (sub, bfd_asymbol_name(sym))))
continue;
* symesz;
if (bfd_seek (abfd, pos, SEEK_SET) != 0)
goto error_return;
- if (! coff_write_alien_symbol(abfd, sym, &isym, &written,
+ if (! coff_write_alien_symbol(abfd, sym, &isym, &iaux, &written,
&string_size, NULL, NULL))
goto error_return;
- if (string_size)
+ hash = !flaginfo.info->traditional_format;
+
+ if (string_size >= 6 && isym.n_sclass == C_FILE
+ && ! isym._n._n_n._n_zeroes && isym.n_numaux)
{
- bfd_boolean hash = ! (abfd->flags & BFD_TRADITIONAL_FORMAT);
- bfd_size_type indx;
+ indx = _bfd_stringtab_add (flaginfo.strtab, ".file", hash,
+ FALSE);
+ if (indx == (bfd_size_type) -1)
+ goto error_return;
+ isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
+ bfd_coff_swap_sym_out (abfd, &isym, flaginfo.outsyms);
+ if (bfd_seek (abfd, pos, SEEK_SET) != 0
+ || bfd_bwrite (flaginfo.outsyms, symesz,
+ abfd) != symesz)
+ goto error_return;
+ string_size -= 6;
+ }
+ if (string_size)
+ {
indx = _bfd_stringtab_add (flaginfo.strtab,
bfd_asymbol_name (sym), hash,
FALSE);
if (indx == (bfd_size_type) -1)
goto error_return;
- isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
- bfd_coff_swap_sym_out (abfd, &isym, flaginfo.outsyms);
- rewrite = TRUE;
+ if (isym.n_sclass != C_FILE)
+ {
+ isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
+ bfd_coff_swap_sym_out (abfd, &isym, flaginfo.outsyms);
+ rewrite = TRUE;
+ }
+ else
+ {
+ BFD_ASSERT (isym.n_numaux == 1);
+ iaux.x_file.x_n.x_offset = STRING_SIZE_SIZE + indx;
+ bfd_coff_swap_aux_out (abfd, &iaux, isym.n_type, C_FILE,
+ 0, 1, flaginfo.outsyms + symesz);
+ if (bfd_seek (abfd, pos + symesz, SEEK_SET) != 0
+ || bfd_bwrite (flaginfo.outsyms + symesz, symesz,
+ abfd) != symesz)
+ goto error_return;
+ }
}
if (isym.n_sclass == C_FILE)
flaginfo.outsyms = NULL;
}
- if (info->relocatable && max_output_reloc_count > 0)
+ if (bfd_link_relocatable (info) && max_output_reloc_count > 0)
{
/* Now that we have written out all the global symbols, we know
the symbol indices to use for relocs against them, and we can
internal_relocs = _bfd_coff_read_internal_relocs
(input_bfd, a, FALSE,
flaginfo->external_relocs,
- flaginfo->info->relocatable,
- (flaginfo->info->relocatable
+ bfd_link_relocatable (flaginfo->info),
+ (bfd_link_relocatable (flaginfo->info)
? (flaginfo->section_info[ a->output_section->target_index ].relocs + a->output_section->reloc_count)
: flaginfo->internal_relocs)
);
in the relocation table. This will then be picked up in the
skip/don't-skip pass. */
for (; irel < irelend; irel++)
- flaginfo->sym_indices[ irel->r_symndx ] = -1;
+ if ((unsigned long) irel->r_symndx < obj_raw_syment_count (input_bfd))
+ flaginfo->sym_indices[irel->r_symndx] = -1;
}
}
if (! flaginfo->info->keep_memory)
copy = TRUE;
hash = TRUE;
- if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
+ if (flaginfo->info->traditional_format)
hash = FALSE;
if (! _bfd_coff_get_external_symbols (input_bfd))
symbols that are going to be involved in the relocations. */
if (( flaginfo->info->strip != strip_none
|| flaginfo->info->discard != discard_none)
- && flaginfo->info->relocatable)
+ && bfd_link_relocatable (flaginfo->info))
{
/* Mark the symbol array as 'not-used'. */
memset (indexp, 0, obj_raw_syment_count (input_bfd) * sizeof * indexp);
relocation. */
if ((flaginfo->info->strip != strip_none
|| flaginfo->info->discard != discard_none)
- && flaginfo->info->relocatable)
+ && bfd_link_relocatable (flaginfo->info))
dont_skip_symbol = *indexp;
else
dont_skip_symbol = FALSE;
/* If this is an enum, struct, or union tag, see if we have
already output an identical type. */
if (! skip
- && (flaginfo->output_bfd->flags & BFD_TRADITIONAL_FORMAT) == 0
+ && !flaginfo->info->traditional_format
&& (isym.n_sclass == C_ENTAG
|| isym.n_sclass == C_STRTAG
|| isym.n_sclass == C_UNTAG)
if ((o->flags & SEC_RELOC) != 0
&& o->reloc_count != 0)
{
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext: c-format */
(_("%B: relocs in section `%A', but it has no contents"),
input_bfd, o);
bfd_set_error (bfd_error_no_contents);
target_index = o->output_section->target_index;
internal_relocs = (_bfd_coff_read_internal_relocs
(input_bfd, o, FALSE, flaginfo->external_relocs,
- flaginfo->info->relocatable,
- (flaginfo->info->relocatable
+ bfd_link_relocatable (flaginfo->info),
+ (bfd_link_relocatable (flaginfo->info)
? (flaginfo->section_info[target_index].relocs
+ o->output_section->reloc_count)
: flaginfo->internal_relocs)));
/* Complain if definition comes from an excluded section. */
if (ps->flags & SEC_EXCLUDE)
(*flaginfo->info->callbacks->einfo)
+ /* xgettext: c-format */
(_("%X`%s' referenced in section `%A' of %B: "
"defined in discarded section `%A' of %B\n"),
h->root.root.string, o, input_bfd, ps, ps->owner);
flaginfo->sec_ptrs))
return FALSE;
- if (flaginfo->info->relocatable)
+ if (bfd_link_relocatable (flaginfo->info))
{
bfd_vma offset;
struct internal_reloc *irelend;
if (name == NULL)
return FALSE;
- if (! ((*flaginfo->info->callbacks->unattached_reloc)
- (flaginfo->info, name, input_bfd, o,
- irel->r_vaddr)))
- return FALSE;
+ (*flaginfo->info->callbacks->unattached_reloc)
+ (flaginfo->info, name, input_bfd, o, irel->r_vaddr);
}
}
}
bfd_size_type indx;
hash = TRUE;
- if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
+ if (flaginfo->info->traditional_format)
hash = FALSE;
indx = _bfd_stringtab_add (flaginfo->strtab, h->root.root.string, hash,
FALSE);
/* When a weak symbol is not overridden by a strong one,
turn it into an external symbol when not building a
shared or relocatable object. */
- if (! flaginfo->info->shared
- && ! flaginfo->info->relocatable
+ if (! bfd_link_pic (flaginfo->info)
+ && ! bfd_link_relocatable (flaginfo->info)
&& IS_WEAK_EXTERNAL (flaginfo->output_bfd, isym))
isym.n_sclass = C_EXT;
not matter. FIXME: Why not? */
if (sec->reloc_count > 0xffff
&& (! obj_pe (output_bfd)
- || flaginfo->info->relocatable))
- (*_bfd_error_handler)
+ || bfd_link_relocatable (flaginfo->info)))
+ _bfd_error_handler
+ /* xgettext: c-format */
(_("%s: %s: reloc overflow: 0x%lx > 0xffff"),
bfd_get_filename (output_bfd),
bfd_get_section_name (output_bfd, sec),
if (sec->lineno_count > 0xffff
&& (! obj_pe (output_bfd)
- || flaginfo->info->relocatable))
- (*_bfd_error_handler)
+ || bfd_link_relocatable (flaginfo->info)))
+ _bfd_error_handler
+ /* xgettext: c-format */
(_("%s: warning: %s: line number overflow: 0x%lx > 0xffff"),
bfd_get_filename (output_bfd),
bfd_get_section_name (output_bfd, sec),
size = bfd_get_reloc_size (howto);
buf = (bfd_byte *) bfd_zmalloc (size);
- if (buf == NULL)
+ if (buf == NULL && size != 0)
return FALSE;
rstat = _bfd_relocate_contents (howto, output_bfd,
case bfd_reloc_outofrange:
abort ();
case bfd_reloc_overflow:
- if (! ((*flaginfo->info->callbacks->reloc_overflow)
- (flaginfo->info, NULL,
- (link_order->type == bfd_section_reloc_link_order
- ? bfd_section_name (output_bfd,
- link_order->u.reloc.p->u.section)
- : link_order->u.reloc.p->u.name),
- howto->name, link_order->u.reloc.p->addend,
- (bfd *) NULL, (asection *) NULL, (bfd_vma) 0)))
- {
- free (buf);
- return FALSE;
- }
+ (*flaginfo->info->callbacks->reloc_overflow)
+ (flaginfo->info, NULL,
+ (link_order->type == bfd_section_reloc_link_order
+ ? bfd_section_name (output_bfd,
+ link_order->u.reloc.p->u.section)
+ : link_order->u.reloc.p->u.name),
+ howto->name, link_order->u.reloc.p->addend,
+ (bfd *) NULL, (asection *) NULL, (bfd_vma) 0);
break;
}
loc = link_order->offset * bfd_octets_per_byte (output_bfd);
}
else
{
- if (! ((*flaginfo->info->callbacks->unattached_reloc)
- (flaginfo->info, link_order->u.reloc.p->u.name, (bfd *) NULL,
- (asection *) NULL, (bfd_vma) 0)))
- return FALSE;
+ (*flaginfo->info->callbacks->unattached_reloc)
+ (flaginfo->info, link_order->u.reloc.p->u.name,
+ (bfd *) NULL, (asection *) NULL, (bfd_vma) 0);
irel->r_symndx = 0;
}
}
struct internal_syment *sym;
bfd_vma addend;
bfd_vma val;
+ asection *sec;
reloc_howto_type *howto;
bfd_reloc_status_type rstat;
else if (symndx < 0
|| (unsigned long) symndx >= obj_raw_syment_count (input_bfd))
{
- (*_bfd_error_handler)
- ("%B: illegal symbol index %ld in relocs", input_bfd, symndx);
+ _bfd_error_handler
+ /* xgettext: c-format */
+ (_("%B: illegal symbol index %ld in relocs"), input_bfd, symndx);
return FALSE;
}
else
then we should ignore the symbol value. */
if (howto->pc_relative && howto->pcrel_offset)
{
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
if (sym != NULL && sym->n_scnum != 0)
addend += sym->n_value;
}
val = 0;
-
+ sec = NULL;
if (h == NULL)
{
- asection *sec;
-
if (symndx == -1)
{
sec = bfd_abs_section_ptr;
{
sec = sections[symndx];
- /* If the output section has been discarded then ignore this reloc. */
- if (sec->output_section->vma == 0)
+ /* PR 19623: Relocations against symbols in
+ the absolute sections should ignored. */
+ if (bfd_is_abs_section (sec))
continue;
val = (sec->output_section->vma
|| h->root.type == bfd_link_hash_defweak)
{
/* Defined weak symbols are a GNU extension. */
- asection *sec;
-
sec = h->root.u.def.section;
val = (h->root.u.def.value
+ sec->output_section->vma
will resolve a weak external only if a normal
external causes the library member to be linked.
See also linker.c: generic_link_check_archive_element. */
- asection *sec;
struct coff_link_hash_entry *h2 =
h->auxbfd->tdata.coff_obj_data->sym_hashes[
h->aux->x_sym.x_tagndx.l];
val = 0;
}
- else if (! info->relocatable)
- {
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd, input_section,
- rel->r_vaddr - input_section->vma, TRUE)))
- return FALSE;
- }
+ else if (! bfd_link_relocatable (info))
+ (*info->callbacks->undefined_symbol)
+ (info, h->root.root.string, input_bfd, input_section,
+ rel->r_vaddr - input_section->vma, TRUE);
+ }
+
+ /* If the input section defining the symbol has been discarded
+ then zero this reloc field. */
+ if (sec != NULL && discarded_section (sec))
+ {
+ _bfd_clear_contents (howto, input_bfd, input_section,
+ contents + (rel->r_vaddr - input_section->vma));
+ continue;
}
if (info->base_file)
case bfd_reloc_ok:
break;
case bfd_reloc_outofrange:
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext: c-format */
(_("%B: bad reloc address 0x%lx in section `%A'"),
input_bfd, input_section, (unsigned long) rel->r_vaddr);
return FALSE;
return FALSE;
}
- if (! ((*info->callbacks->reloc_overflow)
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section,
- rel->r_vaddr - input_section->vma)))
- return FALSE;
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section,
+ rel->r_vaddr - input_section->vma);
}
}
}