/* linker.c -- BFD linker routines
- Copyright (C) 1993-2016 Free Software Foundation, Inc.
+ Copyright (C) 1993-2019 Free Software Foundation, Inc.
Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support
This file is part of BFD, the Binary File Descriptor library.
*/
static bfd_boolean generic_link_add_object_symbols
- (bfd *, struct bfd_link_info *, bfd_boolean collect);
-static bfd_boolean generic_link_add_symbols
- (bfd *, struct bfd_link_info *, bfd_boolean);
-static bfd_boolean generic_link_check_archive_element_no_collect
- (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, const char *,
- bfd_boolean *);
-static bfd_boolean generic_link_check_archive_element_collect
- (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, const char *,
- bfd_boolean *);
+ (bfd *, struct bfd_link_info *);
static bfd_boolean generic_link_check_archive_element
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, const char *,
- bfd_boolean *, bfd_boolean);
+ bfd_boolean *);
static bfd_boolean generic_link_add_symbol_list
- (bfd *, struct bfd_link_info *, bfd_size_type count, asymbol **,
- bfd_boolean);
+ (bfd *, struct bfd_link_info *, bfd_size_type count, asymbol **);
static bfd_boolean generic_add_output_symbol
(bfd *, size_t *psymalloc, asymbol *);
static bfd_boolean default_data_link_order
if (entry == NULL)
{
entry = (struct bfd_hash_entry *)
- bfd_hash_allocate (table, sizeof (struct bfd_link_hash_entry));
+ bfd_hash_allocate (table, sizeof (struct bfd_link_hash_entry));
if (entry == NULL)
return entry;
}
/* Look up a symbol in a link hash table. If follow is TRUE, we
follow bfd_link_hash_indirect and bfd_link_hash_warning links to
- the real symbol. */
+ the real symbol.
+
+.{* Return TRUE if the symbol described by a linker hash entry H
+. is going to be absolute. Linker-script defined symbols can be
+. converted from absolute to section-relative ones late in the
+. link. Use this macro to correctly determine whether the symbol
+. will actually end up absolute in output. *}
+.#define bfd_is_abs_symbol(H) \
+. (((H)->type == bfd_link_hash_defined \
+. || (H)->type == bfd_link_hash_defweak) \
+. && bfd_is_abs_section ((H)->u.def.section) \
+. && !(H)->rel_from_abs)
+.
+*/
struct bfd_link_hash_entry *
bfd_link_hash_lookup (struct bfd_link_hash_table *table,
{
struct bfd_link_hash_entry *ret;
+ if (table == NULL || string == NULL)
+ return NULL;
+
ret = ((struct bfd_link_hash_entry *)
bfd_hash_lookup (&table->table, string, create, copy));
struct bfd_link_hash_entry *h;
/* This symbol is being wrapped. We want to replace all
- references to SYM with references to __wrap_SYM. */
+ references to SYM with references to __wrap_SYM. */
amt = strlen (l) + sizeof WRAP + 1;
n = (char *) bfd_malloc (amt);
struct bfd_link_hash_entry *h;
/* This is a reference to __real_SYM, where SYM is being
- wrapped. We want to replace all references to __real_SYM
- with references to SYM. */
+ wrapped. We want to replace all references to __real_SYM
+ with references to SYM. */
amt = strlen (l + sizeof REAL - 1) + 2;
n = (char *) bfd_malloc (amt);
/* Traverse a generic link hash table. Differs from bfd_hash_traverse
in the treatment of warning symbols. When warning symbols are
created they replace the real symbol, so you don't get to see the
- real symbol in a bfd_hash_travere. This traversal calls func with
+ real symbol in a bfd_hash_traverse. This traversal calls func with
the real symbol. */
void
symsize = bfd_get_symtab_upper_bound (abfd);
if (symsize < 0)
return FALSE;
- bfd_get_outsymbols (abfd) = (struct bfd_symbol **) bfd_alloc (abfd,
- symsize);
+ abfd->outsymbols = bfd_alloc (abfd, symsize);
if (bfd_get_outsymbols (abfd) == NULL && symsize != 0)
return FALSE;
symcount = bfd_canonicalize_symtab (abfd, bfd_get_outsymbols (abfd));
if (symcount < 0)
return FALSE;
- bfd_get_symcount (abfd) = symcount;
+ abfd->symcount = symcount;
}
return TRUE;
}
\f
-/* Generic function to add symbols to from an object file to the
- global hash table. This version does not automatically collect
- constructors by name. */
-
-bfd_boolean
-_bfd_generic_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
-{
- return generic_link_add_symbols (abfd, info, FALSE);
-}
-
-/* Generic function to add symbols from an object file to the global
- hash table. This version automatically collects constructors by
- name, as the collect2 program does. It should be used for any
- target which does not provide some other mechanism for setting up
- constructors and destructors; these are approximately those targets
- for which gcc uses collect2 and do not support stabs. */
-
-bfd_boolean
-_bfd_generic_link_add_symbols_collect (bfd *abfd, struct bfd_link_info *info)
-{
- return generic_link_add_symbols (abfd, info, TRUE);
-}
-
/* Indicate that we are only retrieving symbol values from this
section. We want the symbols to act as though the values in the
file are absolute. */
{
}
-/* Add symbols from an object file to the global hash table. */
+/* Generic function to add symbols from an object file to the
+ global hash table. */
-static bfd_boolean
-generic_link_add_symbols (bfd *abfd,
- struct bfd_link_info *info,
- bfd_boolean collect)
+bfd_boolean
+_bfd_generic_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
{
bfd_boolean ret;
switch (bfd_get_format (abfd))
{
case bfd_object:
- ret = generic_link_add_object_symbols (abfd, info, collect);
+ ret = generic_link_add_object_symbols (abfd, info);
break;
case bfd_archive:
ret = (_bfd_generic_link_add_archive_symbols
- (abfd, info,
- (collect
- ? generic_link_check_archive_element_collect
- : generic_link_check_archive_element_no_collect)));
+ (abfd, info, generic_link_check_archive_element));
break;
default:
bfd_set_error (bfd_error_wrong_format);
static bfd_boolean
generic_link_add_object_symbols (bfd *abfd,
- struct bfd_link_info *info,
- bfd_boolean collect)
+ struct bfd_link_info *info)
{
bfd_size_type symcount;
struct bfd_symbol **outsyms;
return FALSE;
symcount = _bfd_generic_link_get_symcount (abfd);
outsyms = _bfd_generic_link_get_symbols (abfd);
- return generic_link_add_symbol_list (abfd, info, symcount, outsyms, collect);
+ return generic_link_add_symbol_list (abfd, info, symcount, outsyms);
}
\f
/* Generic function to add symbols from an archive file to the global
continue;
}
+ if (arsym->name == NULL)
+ goto error_return;
+
h = bfd_link_hash_lookup (info->hash, arsym->name,
FALSE, FALSE, TRUE);
return FALSE;
}
\f
-/* See if we should include an archive element. This version is used
- when we do not want to automatically collect constructors based on
- the symbol name, presumably because we have some other mechanism
- for finding them. */
-
-static bfd_boolean
-generic_link_check_archive_element_no_collect (bfd *abfd,
- struct bfd_link_info *info,
- struct bfd_link_hash_entry *h,
- const char *name,
- bfd_boolean *pneeded)
-{
- return generic_link_check_archive_element (abfd, info, h, name, pneeded,
- FALSE);
-}
-
-/* See if we should include an archive element. This version is used
- when we want to automatically collect constructors based on the
- symbol name, as collect2 does. */
-
-static bfd_boolean
-generic_link_check_archive_element_collect (bfd *abfd,
- struct bfd_link_info *info,
- struct bfd_link_hash_entry *h,
- const char *name,
- bfd_boolean *pneeded)
-{
- return generic_link_check_archive_element (abfd, info, h, name, pneeded,
- TRUE);
-}
-
-/* See if we should include an archive element. Optionally collect
- constructors. */
+/* See if we should include an archive element. */
static bfd_boolean
generic_link_check_archive_element (bfd *abfd,
struct bfd_link_info *info,
struct bfd_link_hash_entry *h,
const char *name ATTRIBUTE_UNUSED,
- bfd_boolean *pneeded,
- bfd_boolean collect)
+ bfd_boolean *pneeded)
{
asymbol **pp, **ppend;
return FALSE;
/* Potentially, the add_archive_element hook may have set a
substitute BFD for us. */
- return generic_link_add_object_symbols (abfd, info, collect);
+ return bfd_link_add_symbols (abfd, info);
}
/* P is a common symbol. */
/* Add the symbols from an object file to the global hash table. ABFD
is the object file. INFO is the linker information. SYMBOL_COUNT
- is the number of symbols. SYMBOLS is the list of symbols. COLLECT
- is TRUE if constructors should be automatically collected by name
- as is done by collect2. */
+ is the number of symbols. SYMBOLS is the list of symbols. */
static bfd_boolean
generic_link_add_symbol_list (bfd *abfd,
struct bfd_link_info *info,
bfd_size_type symbol_count,
- asymbol **symbols,
- bfd_boolean collect)
+ asymbol **symbols)
{
asymbol **pp, **ppend;
| BSF_GLOBAL
| BSF_CONSTRUCTOR
| BSF_WEAK)) != 0
- || bfd_is_und_section (bfd_get_section (p))
- || bfd_is_com_section (bfd_get_section (p))
- || bfd_is_ind_section (bfd_get_section (p)))
+ || bfd_is_und_section (bfd_asymbol_section (p))
+ || bfd_is_com_section (bfd_asymbol_section (p))
+ || bfd_is_ind_section (bfd_asymbol_section (p)))
{
const char *name;
const char *string;
bh = NULL;
if (! (_bfd_generic_link_add_one_symbol
- (info, abfd, name, p->flags, bfd_get_section (p),
- p->value, string, FALSE, collect, &bh)))
+ (info, abfd, name, p->flags, bfd_asymbol_section (p),
+ p->value, string, FALSE, FALSE, &bh)))
return FALSE;
h = (struct generic_link_hash_entry *) bh;
/* If this is a constructor symbol, and the linker didn't do
- anything with it, then we want to just pass the symbol
- through to the output file. This will happen when
- linking with -r. */
+ anything with it, then we want to just pass the symbol
+ through to the output file. This will happen when
+ linking with -r. */
if ((p->flags & BSF_CONSTRUCTOR) != 0
&& (h == NULL || h->root.type == bfd_link_hash_new))
{
if (info->output_bfd->xvec == abfd->xvec)
{
if (h->sym == NULL
- || (! bfd_is_und_section (bfd_get_section (p))
- && (! bfd_is_com_section (bfd_get_section (p))
- || bfd_is_und_section (bfd_get_section (h->sym)))))
+ || (! bfd_is_und_section (bfd_asymbol_section (p))
+ && (! bfd_is_com_section (bfd_asymbol_section (p))
+ || bfd_is_und_section (bfd_asymbol_section (h->sym)))))
{
h->sym = p;
/* BSF_OLD_COMMON is a hack to support COFF reloc
reading, and it should go away when the COFF
linker is switched to the new version. */
- if (bfd_is_com_section (bfd_get_section (p)))
+ if (bfd_is_com_section (bfd_asymbol_section (p)))
p->flags |= BSF_OLD_COMMON;
}
}
static const enum link_action link_action[8][8] =
{
/* current\prev new undef undefw def defw com indr warn */
- /* UNDEF_ROW */ {UND, NOACT, UND, REF, REF, NOACT, REFC, WARNC },
+ /* UNDEF_ROW */ {UND, NOACT, UND, REF, REF, NOACT, REFC, WARNC },
/* UNDEFW_ROW */ {WEAK, NOACT, NOACT, REF, REF, NOACT, REFC, WARNC },
- /* DEF_ROW */ {DEF, DEF, DEF, MDEF, DEF, CDEF, MDEF, CYCLE },
- /* DEFW_ROW */ {DEFW, DEFW, DEFW, NOACT, NOACT, NOACT, NOACT, CYCLE },
+ /* DEF_ROW */ {DEF, DEF, DEF, MDEF, DEF, CDEF, MDEF, CYCLE },
+ /* DEFW_ROW */ {DEFW, DEFW, DEFW, NOACT, NOACT, NOACT, NOACT, CYCLE },
/* COMMON_ROW */ {COM, COM, COM, CREF, COM, BIG, REFC, WARNC },
/* INDR_ROW */ {IND, IND, IND, MDEF, IND, CIND, MIND, CYCLE },
/* WARN_ROW */ {MWARN, WARN, WARN, WARN, WARN, WARN, WARN, NOACT },
{
row = COMMON_ROW;
if (!bfd_link_relocatable (info)
- && strcmp (name, "__gnu_lto_slim") == 0)
+ && name[0] == '_'
+ && name[1] == '_'
+ && strcmp (name + (name[2] == '_'), "__gnu_lto_slim") == 0)
_bfd_error_handler
- (_("%s: plugin needed to handle lto object"),
- bfd_get_filename (abfd));
+ (_("%pB: plugin needed to handle lto object"), abfd);
}
else
row = DEF_ROW;
do
{
enum link_action action;
+ int prev;
+ prev = h->type;
+ /* Treat symbols defined by early linker script pass as undefined. */
+ if (h->ldscript_def)
+ prev = bfd_link_hash_undefined;
cycle = FALSE;
- action = link_action[(int) row][(int) h->type];
+ action = link_action[(int) row][prev];
switch (action)
{
case FAIL:
h->u.def.section = section;
h->u.def.value = value;
h->linker_def = 0;
+ h->ldscript_def = 0;
/* If we have been asked to, we act like collect2 and
identify all functions that might be global
&& s[CONS_PREFIX_LEN] == s[CONS_PREFIX_LEN + 2])
{
/* If this is a definition of a symbol which
- was previously weakly defined, we are in
- trouble. We have already added a
- constructor entry for the weak defined
- symbol, and now we are trying to add one
- for the new symbol. Fortunately, this case
- should never arise in practice. */
+ was previously weakly defined, we are in
+ trouble. We have already added a
+ constructor entry for the weak defined
+ symbol, and now we are trying to add one
+ for the new symbol. Fortunately, this case
+ should never arise in practice. */
if (oldtype == bfd_link_hash_defweak)
abort ();
h->u.c.size = value;
/* Select a default alignment based on the size. This may
- be overridden by the caller. */
+ be overridden by the caller. */
{
unsigned int power;
}
/* The section of a common symbol is only used if the common
- symbol is actually allocated. It basically provides a
- hook for the linker script to decide which output section
- the common symbols should be put in. In most cases, the
- section of a common symbol will be bfd_com_section_ptr,
- the code here will choose a common symbol section named
- "COMMON", and the linker script will contain *(COMMON) in
- the appropriate place. A few targets use separate common
- sections for small symbols, and they require special
- handling. */
+ symbol is actually allocated. It basically provides a
+ hook for the linker script to decide which output section
+ the common symbols should be put in. In most cases, the
+ section of a common symbol will be bfd_com_section_ptr,
+ the code here will choose a common symbol section named
+ "COMMON", and the linker script will contain *(COMMON) in
+ the appropriate place. A few targets use separate common
+ sections for small symbols, and they require special
+ handling. */
if (section == bfd_com_section_ptr)
{
h->u.c.p->section = bfd_make_section_old_way (abfd, "COMMON");
else
h->u.c.p->section = section;
h->linker_def = 0;
+ h->ldscript_def = 0;
break;
case REF:
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%B: indirect symbol `%s' to `%s' is a loop"),
+ (_("%pB: indirect symbol `%s' to `%s' is a loop"),
abfd, name, string);
bfd_set_error (bfd_error_invalid_operation);
return FALSE;
otherwise add a warning. */
if ((!info->lto_plugin_active
&& (h->u.undef.next != NULL || info->hash->undefs_tail == h))
- || h->non_ir_ref)
+ || h->non_ir_ref_regular
+ || h->non_ir_ref_dynamic)
{
(*info->callbacks->warning) (info, string, h->root.string,
hash_entry_bfd (h), NULL, 0);
size_t outsymalloc;
struct generic_write_global_symbol_info wginfo;
- bfd_get_outsymbols (abfd) = NULL;
- bfd_get_symcount (abfd) = 0;
+ abfd->outsymbols = NULL;
+ abfd->symcount = 0;
outsymalloc = 0;
/* Mark all sections which will be included in the output file. */
newsyms = (asymbol **) bfd_realloc (bfd_get_outsymbols (output_bfd), amt);
if (newsyms == NULL)
return FALSE;
- bfd_get_outsymbols (output_bfd) = newsyms;
+ output_bfd->outsymbols = newsyms;
}
- bfd_get_outsymbols (output_bfd) [bfd_get_symcount (output_bfd)] = sym;
+ output_bfd->outsymbols[output_bfd->symcount] = sym;
if (sym != NULL)
- ++ bfd_get_symcount (output_bfd);
+ ++output_bfd->symcount;
return TRUE;
}
| BSF_GLOBAL
| BSF_CONSTRUCTOR
| BSF_WEAK)) != 0
- || bfd_is_und_section (bfd_get_section (sym))
- || bfd_is_com_section (bfd_get_section (sym))
- || bfd_is_ind_section (bfd_get_section (sym)))
+ || bfd_is_und_section (bfd_asymbol_section (sym))
+ || bfd_is_com_section (bfd_asymbol_section (sym))
+ || bfd_is_ind_section (bfd_asymbol_section (sym)))
{
if (sym->udata.p != NULL)
h = (struct generic_link_hash_entry *) sym->udata.p;
else if ((sym->flags & BSF_CONSTRUCTOR) != 0)
{
/* This case normally means that the main linker code
- deliberately ignored this constructor symbol. We
- should just pass it through. This will screw up if
- the constructor symbol is from a different,
- non-generic, object file format, but the case will
- only arise when linking with -r, which will probably
- fail anyhow, since there will be no way to represent
- the relocs in the output format being used. */
+ deliberately ignored this constructor symbol. We
+ should just pass it through. This will screw up if
+ the constructor symbol is from a different,
+ non-generic, object file format, but the case will
+ only arise when linking with -r, which will probably
+ fail anyhow, since there will be no way to represent
+ the relocs in the output format being used. */
h = NULL;
}
- else if (bfd_is_und_section (bfd_get_section (sym)))
+ else if (bfd_is_und_section (bfd_asymbol_section (sym)))
h = ((struct generic_link_hash_entry *)
bfd_wrapped_link_hash_lookup (output_bfd, info,
bfd_asymbol_name (sym),
}
}
- /* This switch is straight from the old code in
- write_file_locals in ldsym.c. */
- if (info->strip == strip_all
- || (info->strip == strip_some
- && bfd_hash_lookup (info->keep_hash, bfd_asymbol_name (sym),
- FALSE, FALSE) == NULL))
+ if ((sym->flags & BSF_KEEP) == 0
+ && (info->strip == strip_all
+ || (info->strip == strip_some
+ && bfd_hash_lookup (info->keep_hash, bfd_asymbol_name (sym),
+ FALSE, FALSE) == NULL)))
output = FALSE;
- else if ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0)
+ else if ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0)
{
/* If this symbol is marked as occurring now, rather
than at the end, output it now. This is used for
else
output = FALSE;
}
+ else if ((sym->flags & BSF_KEEP) != 0)
+ output = TRUE;
else if (bfd_is_ind_section (sym->section))
output = FALSE;
else if ((sym->flags & BSF_DEBUGGING) != 0)
break;
case bfd_link_hash_new:
/* This can happen when a constructor symbol is seen but we are
- not building constructors. */
+ not building constructors. */
if (sym->section != NULL)
{
BFD_ASSERT ((sym->flags & BSF_CONSTRUCTOR) != 0);
(*info->callbacks->reloc_overflow)
(info, NULL,
(link_order->type == bfd_section_reloc_link_order
- ? bfd_section_name (abfd, link_order->u.reloc.p->u.section)
+ ? bfd_section_name (link_order->u.reloc.p->u.section)
: link_order->u.reloc.p->u.name),
r->howto->name, link_order->u.reloc.p->addend,
NULL, NULL, 0);
difficult, and sometimes impossible. */
_bfd_error_handler
/* xgettext:c-format */
- (_("Attempt to do relocatable link with %s input and %s output"),
+ (_("attempt to do relocatable link with %s input and %s output"),
bfd_get_target (input_bfd), bfd_get_target (output_bfd));
bfd_set_error (bfd_error_wrong_format);
return FALSE;
| BSF_GLOBAL
| BSF_CONSTRUCTOR
| BSF_WEAK)) != 0
- || bfd_is_und_section (bfd_get_section (sym))
- || bfd_is_com_section (bfd_get_section (sym))
- || bfd_is_ind_section (bfd_get_section (sym)))
+ || bfd_is_und_section (bfd_asymbol_section (sym))
+ || bfd_is_com_section (bfd_asymbol_section (sym))
+ || bfd_is_ind_section (bfd_asymbol_section (sym)))
{
/* sym->udata may have been set by
generic_link_add_symbol_list. */
if (sym->udata.p != NULL)
h = (struct bfd_link_hash_entry *) sym->udata.p;
- else if (bfd_is_und_section (bfd_get_section (sym)))
+ else if (bfd_is_und_section (bfd_asymbol_section (sym)))
h = bfd_wrapped_link_hash_lookup (output_bfd, info,
bfd_asymbol_name (sym),
FALSE, FALSE, TRUE);
bfd_link_split_section
SYNOPSIS
- bfd_boolean bfd_link_split_section (bfd *abfd, asection *sec);
+ bfd_boolean bfd_link_split_section (bfd *abfd, asection *sec);
DESCRIPTION
Return nonzero if @var{sec} should be split during a
reloceatable or final link.
.#define bfd_link_split_section(abfd, sec) \
-. BFD_SEND (abfd, _bfd_link_split_section, (abfd, sec))
+. BFD_SEND (abfd, _bfd_link_split_section, (abfd, sec))
.
*/
bfd_section_already_linked
SYNOPSIS
- bfd_boolean bfd_section_already_linked (bfd *abfd,
+ bfd_boolean bfd_section_already_linked (bfd *abfd,
asection *sec,
struct bfd_link_info *info);
or final link. Return TRUE if it has.
.#define bfd_section_already_linked(abfd, sec, info) \
-. BFD_SEND (abfd, _section_already_linked, (abfd, sec, info))
+. BFD_SEND (abfd, _section_already_linked, (abfd, sec, info))
.
*/
case SEC_LINK_DUPLICATES_ONE_ONLY:
info->callbacks->einfo
/* xgettext:c-format */
- (_("%B: ignoring duplicate section `%A'\n"),
+ (_("%pB: ignoring duplicate section `%pA'\n"),
sec->owner, sec);
break;
else if (sec->size != l->sec->size)
info->callbacks->einfo
/* xgettext:c-format */
- (_("%B: duplicate section `%A' has different size\n"),
+ (_("%pB: duplicate section `%pA' has different size\n"),
sec->owner, sec);
break;
else if (sec->size != l->sec->size)
info->callbacks->einfo
/* xgettext:c-format */
- (_("%B: duplicate section `%A' has different size\n"),
+ (_("%pB: duplicate section `%pA' has different size\n"),
sec->owner, sec);
else if (sec->size != 0)
{
if (!bfd_malloc_and_get_section (sec->owner, sec, &sec_contents))
info->callbacks->einfo
/* xgettext:c-format */
- (_("%B: could not read contents of section `%A'\n"),
+ (_("%pB: could not read contents of section `%pA'\n"),
sec->owner, sec);
else if (!bfd_malloc_and_get_section (l->sec->owner, l->sec,
&l_sec_contents))
info->callbacks->einfo
/* xgettext:c-format */
- (_("%B: could not read contents of section `%A'\n"),
+ (_("%pB: could not read contents of section `%pA'\n"),
l->sec->owner, l->sec);
else if (memcmp (sec_contents, l_sec_contents, sec->size) != 0)
info->callbacks->einfo
/* xgettext:c-format */
- (_("%B: duplicate section `%A' has different contents\n"),
+ (_("%pB: duplicate section `%pA' has different contents\n"),
sec->owner, sec);
if (sec_contents)
into a single large link once section, which defeats the purpose
of having link once sections in the first place. */
- name = bfd_get_section_name (abfd, sec);
+ name = bfd_section_name (sec);
already_linked_list = bfd_section_already_linked_table_lookup (name);
Return TRUE on success and FALSE on failure.
.#define bfd_define_common_symbol(output_bfd, info, h) \
-. BFD_SEND (output_bfd, _bfd_define_common_symbol, (output_bfd, info, h))
+. BFD_SEND (output_bfd, _bfd_define_common_symbol, (output_bfd, info, h))
.
*/
/* Make sure the section is allocated in memory, and make sure that
it is no longer a common section. */
section->flags |= SEC_ALLOC;
- section->flags &= ~SEC_IS_COMMON;
+ section->flags &= ~(SEC_IS_COMMON | SEC_HAS_CONTENTS);
return TRUE;
}
+/*
+FUNCTION
+ _bfd_generic_link_hide_symbol
+
+SYNOPSIS
+ void _bfd_generic_link_hide_symbol
+ (bfd *output_bfd, struct bfd_link_info *info,
+ struct bfd_link_hash_entry *h);
+
+DESCRIPTION
+ Hide symbol @var{h}.
+ This is an internal function. It should not be called from
+ outside the BFD library.
+
+.#define bfd_link_hide_symbol(output_bfd, info, h) \
+. BFD_SEND (output_bfd, _bfd_link_hide_symbol, (output_bfd, info, h))
+.
+*/
+
+void
+_bfd_generic_link_hide_symbol (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *h ATTRIBUTE_UNUSED)
+{
+}
+
+/*
+FUNCTION
+ bfd_generic_define_start_stop
+
+SYNOPSIS
+ struct bfd_link_hash_entry *bfd_generic_define_start_stop
+ (struct bfd_link_info *info,
+ const char *symbol, asection *sec);
+
+DESCRIPTION
+ Define a __start, __stop, .startof. or .sizeof. symbol.
+ Return the symbol or NULL if no such undefined symbol exists.
+
+.#define bfd_define_start_stop(output_bfd, info, symbol, sec) \
+. BFD_SEND (output_bfd, _bfd_define_start_stop, (info, symbol, sec))
+.
+*/
+
+struct bfd_link_hash_entry *
+bfd_generic_define_start_stop (struct bfd_link_info *info,
+ const char *symbol, asection *sec)
+{
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (info->hash, symbol, FALSE, FALSE, TRUE);
+ if (h != NULL
+ && (h->type == bfd_link_hash_undefined
+ || h->type == bfd_link_hash_undefweak))
+ {
+ h->type = bfd_link_hash_defined;
+ h->u.def.section = sec;
+ h->u.def.value = 0;
+ return h;
+ }
+ return NULL;
+}
+
/*
FUNCTION
bfd_find_version_for_sym
(bfd *abfd, struct bfd_link_info *info);
DESCRIPTION
- Stub function for targets that do not implement reloc checking.
+ Stub function for targets that do not implement reloc checking.
Return TRUE.
This is an internal function. It should not be called from
outside the BFD library.
Not enough memory exists to create private data for @var{obfd}.
.#define bfd_merge_private_bfd_data(ibfd, info) \
-. BFD_SEND ((info)->output_bfd, _bfd_merge_private_bfd_data, \
-. (ibfd, info))
+. BFD_SEND ((info)->output_bfd, _bfd_merge_private_bfd_data, \
+. (ibfd, info))
*/
/*
&& obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
{
if (bfd_big_endian (ibfd))
- _bfd_error_handler (_("%B: compiled for a big endian system "
+ _bfd_error_handler (_("%pB: compiled for a big endian system "
"and target is little endian"), ibfd);
else
- _bfd_error_handler (_("%B: compiled for a little endian system "
+ _bfd_error_handler (_("%pB: compiled for a little endian system "
"and target is big endian"), ibfd);
bfd_set_error (bfd_error_wrong_format);
return FALSE;
return TRUE;
}
+
+int
+_bfd_nolink_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+bfd_boolean
+_bfd_nolink_bfd_relax_section (bfd *abfd,
+ asection *section ATTRIBUTE_UNUSED,
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
+ bfd_boolean *again ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_byte *
+_bfd_nolink_bfd_get_relocated_section_contents
+ (bfd *abfd,
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
+ struct bfd_link_order *link_order ATTRIBUTE_UNUSED,
+ bfd_byte *data ATTRIBUTE_UNUSED,
+ bfd_boolean relocatable ATTRIBUTE_UNUSED,
+ asymbol **symbols ATTRIBUTE_UNUSED)
+{
+ return (bfd_byte *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+bfd_boolean
+_bfd_nolink_bfd_lookup_section_flags
+ (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct flag_info *flaginfo ATTRIBUTE_UNUSED,
+ asection *section)
+{
+ return _bfd_bool_bfd_false_error (section->owner);
+}
+
+bfd_boolean
+_bfd_nolink_bfd_is_group_section (bfd *abfd,
+ const asection *sec ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+const char *
+_bfd_nolink_bfd_group_name (bfd *abfd,
+ const asection *sec ATTRIBUTE_UNUSED)
+{
+ return _bfd_ptr_bfd_null_error (abfd);
+}
+
+bfd_boolean
+_bfd_nolink_bfd_discard_group (bfd *abfd, asection *sec ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+struct bfd_link_hash_table *
+_bfd_nolink_bfd_link_hash_table_create (bfd *abfd)
+{
+ return (struct bfd_link_hash_table *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+void
+_bfd_nolink_bfd_link_just_syms (asection *sec ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+}
+
+void
+_bfd_nolink_bfd_copy_link_hash_symbol_type
+ (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *from ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *to ATTRIBUTE_UNUSED)
+{
+}
+
+bfd_boolean
+_bfd_nolink_bfd_link_split_section (bfd *abfd, asection *sec ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_boolean
+_bfd_nolink_section_already_linked (bfd *abfd,
+ asection *sec ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_boolean
+_bfd_nolink_bfd_define_common_symbol
+ (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *h ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+struct bfd_link_hash_entry *
+_bfd_nolink_bfd_define_start_stop (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
+ asection *sec)
+{
+ return (struct bfd_link_hash_entry *) _bfd_ptr_bfd_null_error (sec->owner);
+}