/* Decompress sections in this BFD. */
#define BFD_DECOMPRESS 0x10000
+ /* BFD is a dummy, for plugins. */
+#define BFD_PLUGIN 0x20000
+
/* Flags bits to be saved in bfd_preserve_save. */
#define BFD_FLAGS_SAVED \
- (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS)
+ (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_PLUGIN)
/* Flags bits which are for BFD use only. */
#define BFD_FLAGS_FOR_BFD_USE_MASK \
(BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \
- | BFD_TRADITIONAL_FORMAT | BFD_DETERMINISTIC_OUTPUT)
+ | BFD_PLUGIN | BFD_TRADITIONAL_FORMAT | BFD_DETERMINISTIC_OUTPUT)
/* Currently my_archive is tested before adding origin to
anything. I believe that this can become always an add of
. {* Decompress sections in this BFD. *}
.#define BFD_DECOMPRESS 0x10000
.
+. {* BFD is a dummy, for plugins. *}
+.#define BFD_PLUGIN 0x20000
+.
. {* Flags bits to be saved in bfd_preserve_save. *}
.#define BFD_FLAGS_SAVED \
-. (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS)
+. (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_PLUGIN)
.
. {* Flags bits which are for BFD use only. *}
.#define BFD_FLAGS_FOR_BFD_USE_MASK \
. (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \
-. | BFD_TRADITIONAL_FORMAT | BFD_DETERMINISTIC_OUTPUT)
+. | BFD_PLUGIN | BFD_TRADITIONAL_FORMAT | BFD_DETERMINISTIC_OUTPUT)
.
. {* Currently my_archive is tested before adding origin to
. anything. I believe that this can become always an add of
|| h->root.type == bfd_link_hash_defweak)
&& elf_discarded_section (h->root.u.def.section))
strip = TRUE;
+ else if ((h->root.type == bfd_link_hash_undefined
+ || h->root.type == bfd_link_hash_undefweak)
+ && h->root.u.undef.abfd != NULL
+ && (h->root.u.undef.abfd->flags & BFD_PLUGIN) != 0)
+ strip = TRUE;
else
strip = FALSE;
abfd->section_count = 0;
abfd->usrdata = NULL;
abfd->cacheable = FALSE;
- abfd->flags = BFD_IN_MEMORY;
+ abfd->flags |= BFD_IN_MEMORY;
abfd->mtime_set = FALSE;
abfd->target_defaulted = TRUE;
will be needed when and if we want to bfd_create a new
one using this one as a template. */
if (bfd_check_format (entry->the_bfd, bfd_object)
- && plugin_active_plugins_p ())
+ && plugin_active_plugins_p ()
+ && !no_more_claiming)
{
int fd = open (attempt, O_RDONLY | O_BINARY);
if (fd >= 0)
static void print_statements (void);
static void print_input_section (asection *, bfd_boolean);
static bfd_boolean lang_one_common (struct bfd_link_hash_entry *, void *);
-#ifdef ENABLE_PLUGINS
-static void lang_list_insert_after (lang_statement_list_type *destlist,
- lang_statement_list_type *srclist,
- lang_statement_union_type **field);
-static void lang_list_remove_tail (lang_statement_list_type *destlist,
- lang_statement_list_type *origlist);
-#endif /* ENABLE_PLUGINS */
static void lang_record_phdrs (void);
static void lang_do_version_exports_section (void);
static void lang_finalize_version_expr_head
OPEN_BFD_FORCE = 1,
OPEN_BFD_RESCAN = 2
};
+#ifdef ENABLE_PLUGINS
+static lang_input_statement_type *plugin_insert = NULL;
+#endif
static void
open_input_bfds (lang_statement_union_type *s, enum open_bfd_mode mode)
force it to be researched unless the whole archive
has been loaded already. Do the same for a rescan. */
if (mode != OPEN_BFD_NORMAL
+#ifdef ENABLE_PLUGINS
+ && ((mode & OPEN_BFD_RESCAN) == 0
+ || plugin_insert == NULL)
+#endif
&& !s->input_statement.whole_archive
&& s->input_statement.loaded
&& bfd_check_format (s->input_statement.the_bfd,
}
}
}
+#ifdef ENABLE_PLUGINS
+ /* If we have found the point at which a plugin added new
+ files, clear plugin_insert to enable archive rescan. */
+ if (&s->input_statement == plugin_insert)
+ plugin_insert = NULL;
+#endif
break;
case lang_assignment_statement_enum:
if (s->assignment_statement.exp->assign.hidden)
LANG_FOR_EACH_INPUT_STATEMENT (f)
{
asection *sec;
+#ifdef ENABLE_PLUGINS
+ if (f->claimed)
+ continue;
+#endif
for (sec = f->the_bfd->sections; sec != NULL; sec = sec->next)
if ((sec->flags & SEC_DEBUGGING) == 0)
sec->flags &= ~SEC_EXCLUDE;
insert point. */
return lastobject;
}
+
+/* Insert SRCLIST into DESTLIST after given element by chaining
+ on FIELD as the next-pointer. (Counterintuitively does not need
+ a pointer to the actual after-node itself, just its chain field.) */
+
+static void
+lang_list_insert_after (lang_statement_list_type *destlist,
+ lang_statement_list_type *srclist,
+ lang_statement_union_type **field)
+{
+ *(srclist->tail) = *field;
+ *field = srclist->head;
+ if (destlist->tail == field)
+ destlist->tail = srclist->tail;
+}
+
+/* Detach new nodes added to DESTLIST since the time ORIGLIST
+ was taken as a copy of it and leave them in ORIGLIST. */
+
+static void
+lang_list_remove_tail (lang_statement_list_type *destlist,
+ lang_statement_list_type *origlist)
+{
+ union lang_statement_union **savetail;
+ /* Check that ORIGLIST really is an earlier state of DESTLIST. */
+ ASSERT (origlist->head == destlist->head);
+ savetail = origlist->tail;
+ origlist->head = *(savetail);
+ origlist->tail = destlist->tail;
+ destlist->tail = savetail;
+ *savetail = NULL;
+}
#endif /* ENABLE_PLUGINS */
void
{
lang_statement_list_type added;
lang_statement_list_type files, inputfiles;
+
/* Now all files are read, let the plugin(s) decide if there
are any more to be added to the link before we call the
emulation's after_open hook. We create a private list of
{
/* If so, we will insert them into the statement list immediately
after the first input file that was claimed by the plugin. */
- lang_input_statement_type *claim1 = find_replacements_insert_point ();
+ plugin_insert = find_replacements_insert_point ();
/* If a plugin adds input files without having claimed any, we
don't really have a good idea where to place them. Just putting
them at the start or end of the list is liable to leave them
outside the crtbegin...crtend range. */
- ASSERT (claim1 != NULL);
- /* Splice the new statement list into the old one after claim1. */
- lang_list_insert_after (stat_ptr, &added, &claim1->header.next);
+ ASSERT (plugin_insert != NULL);
+ /* Splice the new statement list into the old one. */
+ lang_list_insert_after (stat_ptr, &added,
+ &plugin_insert->header.next);
/* Likewise for the file chains. */
lang_list_insert_after (&input_file_chain, &inputfiles,
- &claim1->next_real_file);
+ &plugin_insert->next_real_file);
/* We must be careful when relinking file_chain; we may need to
insert the new files at the head of the list if the insert
point chosen is the dummy first input file. */
- if (claim1->filename)
- lang_list_insert_after (&file_chain, &files, &claim1->next);
+ if (plugin_insert->filename)
+ lang_list_insert_after (&file_chain, &files, &plugin_insert->next);
else
lang_list_insert_after (&file_chain, &files, &file_chain.head);
+
+ /* Rescan archives in case new undefined symbols have appeared. */
+ open_input_bfds (statement_list.head, OPEN_BFD_RESCAN);
}
- /* Rescan any archives in case new undefined symbols have appeared. */
- open_input_bfds (statement_list.head, OPEN_BFD_RESCAN);
}
#endif /* ENABLE_PLUGINS */
list->tail = field;
}
-#ifdef ENABLE_PLUGINS
-/* Insert SRCLIST into DESTLIST after given element by chaining
- on FIELD as the next-pointer. (Counterintuitively does not need
- a pointer to the actual after-node itself, just its chain field.) */
-
-static void
-lang_list_insert_after (lang_statement_list_type *destlist,
- lang_statement_list_type *srclist,
- lang_statement_union_type **field)
-{
- *(srclist->tail) = *field;
- *field = srclist->head;
- if (destlist->tail == field)
- destlist->tail = srclist->tail;
-}
-
-/* Detach new nodes added to DESTLIST since the time ORIGLIST
- was taken as a copy of it and leave them in ORIGLIST. */
-
-static void
-lang_list_remove_tail (lang_statement_list_type *destlist,
- lang_statement_list_type *origlist)
-{
- union lang_statement_union **savetail;
- /* Check that ORIGLIST really is an earlier state of DESTLIST. */
- ASSERT (origlist->head == destlist->head);
- savetail = origlist->tail;
- origlist->head = *(savetail);
- origlist->tail = destlist->tail;
- destlist->tail = savetail;
- *savetail = NULL;
-}
-#endif /* ENABLE_PLUGINS */
-
/* Set the output format type. -oformat overrides scripts. */
void
BFD, but we still want to output the original BFD filename. */
orig_input = *input;
#ifdef ENABLE_PLUGINS
- if (bfd_my_archive (abfd) != NULL && plugin_active_plugins_p ())
+ if (bfd_my_archive (abfd) != NULL
+ && plugin_active_plugins_p ()
+ && !no_more_claiming)
{
/* We must offer this archive member to the plugins to claim. */
int fd = open (bfd_my_archive (abfd)->filename, O_RDONLY | O_BINARY);
asection *nsec,
bfd_vma nval)
{
-#ifdef ENABLE_PLUGINS
- /* We may get called back even when --allow-multiple-definition is in
- effect, as the plugin infrastructure needs to use this hook in
- order to swap out IR-only symbols for real ones. In that case,
- it will let us know not to continue by returning TRUE even if this
- is not an IR-only vs. non-IR symbol conflict. */
- if (plugin_multiple_definition (info, name, obfd, osec, oval, nbfd,
- nsec, nval))
- return TRUE;
-#endif /* ENABLE_PLUGINS */
-
/* If either section has the output_section field set to
bfd_abs_section_ptr, it means that the section is being
discarded, and this is not really a multiple definition at all.
-FIXME: It would be cleaner to somehow ignore symbols defined in
-sections which are being discarded. */
+ FIXME: It would be cleaner to somehow ignore symbols defined in
+ sections which are being discarded. */
if ((osec->output_section != NULL
&& ! bfd_is_abs_section (osec)
&& bfd_is_abs_section (osec->output_section))
return TRUE;
}
-#ifdef ENABLE_PLUGINS
- /* We should hide symbols in the dummy IR BFDs from the nocrossrefs list
- and let the real object files that are generated and added later trip
- the error instead. Similarly would be better to trace the real symbol
- from the real file than the temporary dummy. */
- if (!plugin_notice (info, name, abfd, section, value))
- return TRUE;
-#endif /* ENABLE_PLUGINS */
-
if (info->notice_hash != NULL
- && bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) != NULL)
+ && bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) != NULL)
{
if (bfd_is_und_section (section))
einfo ("%B: reference to %s\n", abfd, name);
cases when establishing symbol resolutions. */
static struct bfd_hash_table *non_ironly_hash = NULL;
+/* State of linker "notice" and "multiple_definition" interfaces
+ before we poked at them. */
+static bfd_boolean orig_notice_all;
+static bfd_boolean orig_allow_multiple_defs;
+
+/* Original linker callbacks, and the plugin version. */
+static const struct bfd_link_callbacks *orig_callbacks;
+static struct bfd_link_callbacks plugin_callbacks;
+
/* Set at all symbols read time, to avoid recursively offering the plugin
its own newly-added input files and libs to claim. */
-static bfd_boolean no_more_claiming = FALSE;
-
-/* If the --allow-multiple-definition command-line option is active, we
- have to disable it so that BFD always calls our hook, and simulate the
- effect (when not resolving IR vs. real symbols) ourselves by ensuring
- TRUE is returned from the hook. */
-static bfd_boolean plugin_cached_allow_multiple_defs = FALSE;
+bfd_boolean no_more_claiming = FALSE;
/* List of tags to set in the constant leading part of the tv array. */
static const enum ld_plugin_tag tv_header_tags[] =
/* How many entries in the constant leading part of the tv array. */
static const size_t tv_header_size = ARRAY_SIZE (tv_header_tags);
+/* Forward references. */
+static bfd_boolean plugin_notice (struct bfd_link_info *info,
+ const char *name, bfd *abfd,
+ asection *section, bfd_vma value);
+static bfd_boolean plugin_multiple_definition (struct bfd_link_info *info,
+ const char *name,
+ bfd *obfd, asection *osec,
+ bfd_vma oval, bfd *nbfd,
+ asection *nsec,
+ bfd_vma nval);
+
#if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)
#define RTLD_NOW 0 /* Dummy value. */
bfd *
plugin_get_ir_dummy_bfd (const char *name, bfd *srctemplate)
{
- asection *sec;
bfd *abfd;
bfd_use_reserved_id = 1;
- abfd = bfd_create (concat (name, IRONLY_SUFFIX, (const char *)NULL),
+ abfd = bfd_create (concat (name, IRONLY_SUFFIX, (const char *) NULL),
srctemplate);
- bfd_set_arch_info (abfd, bfd_get_arch_info (srctemplate));
- bfd_make_writable (abfd);
- bfd_copy_private_bfd_data (srctemplate, abfd);
- bfd_set_gp_size (abfd, bfd_get_gp_size (abfd));
- /* Create a minimal set of sections to own the symbols. */
- sec = bfd_make_section_old_way (abfd, ".text");
- bfd_set_section_flags (abfd, sec,
- (SEC_CODE | SEC_HAS_CONTENTS | SEC_READONLY
- | SEC_ALLOC | SEC_LOAD | SEC_KEEP));
- sec->output_section = sec;
- sec->output_offset = 0;
- return abfd;
+ if (abfd != NULL)
+ {
+ abfd->flags |= BFD_LINKER_CREATED | BFD_PLUGIN;
+ bfd_set_arch_info (abfd, bfd_get_arch_info (srctemplate));
+ bfd_set_gp_size (abfd, bfd_get_gp_size (srctemplate));
+ if (bfd_make_writable (abfd)
+ && bfd_copy_private_bfd_data (srctemplate, abfd))
+ {
+ flagword flags;
+
+ /* Create sections to own the symbols. */
+ flags = (SEC_CODE | SEC_HAS_CONTENTS | SEC_READONLY
+ | SEC_ALLOC | SEC_LOAD | SEC_KEEP | SEC_EXCLUDE);
+ if (bfd_make_section_anyway_with_flags (abfd, ".text", flags))
+ return abfd;
+ }
+ }
+ einfo (_("could not create dummy IR bfd: %F%E\n"));
+ return NULL;
}
/* Check if the BFD passed in is an IR dummy object file. */
Likewise, the usrdata field may be NULL if ABFD was added by the
backend without a corresponding input statement, as happens e.g.
when processing DT_NEEDED dependencies. */
- return abfd
- && abfd->usrdata
- && ((lang_input_statement_type *)(abfd->usrdata))->claimed;
+ return (abfd
+ && abfd->usrdata
+ && ((lang_input_statement_type *)(abfd->usrdata))->claimed);
}
/* Helpers to convert between BFD and GOLD symbol formats. */
asym->the_bfd = abfd;
asym->name = (ldsym->version
- ? concat (ldsym->name, "@", ldsym->version, NULL)
+ ? concat (ldsym->name, "@", ldsym->version, (const char *) NULL)
: ldsym->name);
asym->value = 0;
switch (ldsym->def)
/* Find out which section owns the symbol. Since it's not undef,
it must have an owner; if it's not a common symbol, both defs
and weakdefs keep it in the same place. */
- owner_sec = (blhe->type == bfd_link_hash_common)
- ? blhe->u.c.p->section
- : blhe->u.def.section;
+ owner_sec = (blhe->type == bfd_link_hash_common
+ ? blhe->u.c.p->section
+ : blhe->u.def.section);
/* We need to know if the sym is referenced from non-IR files. Or
even potentially-referenced, perhaps in a future final link if
? LDPR_PREEMPTED_IR
: LDPR_PREEMPTED_REG);
-report_symbol:
+ report_symbol:
if (report_plugin_symbols)
- einfo ("%P: %B: symbol `%s' definition: %d, resolution: %d\n",
- abfd, syms[n].name, syms[n].def, syms[n].resolution);
+ einfo (_("%P: %B: symbol `%s' "
+ "definition: %d, visibility: %d, resolution: %d\n"),
+ abfd, syms[n].name,
+ syms[n].def, syms[n].visibility, syms[n].resolution);
}
return LDPS_OK;
}
case LDPL_FATAL:
case LDPL_ERROR:
default:
- {
- char *newfmt = ACONCAT ((level == LDPL_FATAL
- ? "%P%F: " : "%P%X: ",
- format, "\n", NULL));
- fflush (stdout);
- vfinfo (stderr, newfmt, args, TRUE);
- fflush (stderr);
- }
+ {
+ char *newfmt = ACONCAT ((level == LDPL_FATAL ? "%P%F: " : "%P%X: ",
+ format, "\n", (const char *) NULL));
+ fflush (stdout);
+ vfinfo (stderr, newfmt, args, TRUE);
+ fflush (stderr);
+ }
break;
}
return plugins_list != NULL;
}
+/* Init the non_ironly hash table. */
+static void
+init_non_ironly_hash (void)
+{
+ struct bfd_sym_chain *sym;
+
+ non_ironly_hash
+ = (struct bfd_hash_table *) xmalloc (sizeof (struct bfd_hash_table));
+ if (!bfd_hash_table_init_n (non_ironly_hash,
+ bfd_hash_newfunc,
+ sizeof (struct bfd_hash_entry),
+ 61))
+ einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
+
+ for (sym = &entry_symbol; sym != NULL; sym = sym->next)
+ if (sym->name
+ && !bfd_hash_lookup (non_ironly_hash, sym->name, TRUE, TRUE))
+ einfo (_("%P%X: hash table failure adding symbol %s\n"),
+ sym->name);
+}
+
/* Load up and initialise all plugins after argument parsing. */
int
plugin_load_plugins (void)
/* Since plugin(s) inited ok, assume they're going to want symbol
resolutions, which needs us to track which symbols are referenced
by non-IR files using the linker's notice callback. */
+ orig_notice_all = link_info.notice_all;
+ orig_callbacks = link_info.callbacks;
+ plugin_callbacks = *orig_callbacks;
+ plugin_callbacks.notice = &plugin_notice;
link_info.notice_all = TRUE;
+ link_info.callbacks = &plugin_callbacks;
+ init_non_ironly_hash ();
return 0;
}
as the plugin infrastructure relies on the multiple_definition
callback to swap out the dummy IR-only BFDs for new real ones
when it starts opening the files added during this callback. */
- plugin_cached_allow_multiple_defs = link_info.allow_multiple_definition;
+ orig_allow_multiple_defs = link_info.allow_multiple_definition;
link_info.allow_multiple_definition = FALSE;
+ plugin_callbacks.multiple_definition = &plugin_multiple_definition;
while (curplug)
{
plugin_error_plugin ());
}
-/* Lazily init the non_ironly hash table. */
-static void
-init_non_ironly_hash (void)
-{
- struct bfd_sym_chain *sym;
-
- if (non_ironly_hash == NULL)
- {
- non_ironly_hash =
- (struct bfd_hash_table *) xmalloc (sizeof (struct bfd_hash_table));
- if (!bfd_hash_table_init_n (non_ironly_hash,
- bfd_hash_newfunc,
- sizeof (struct bfd_hash_entry),
- 61))
- einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
-
- for (sym = &entry_symbol; sym != NULL; sym = sym->next)
- if (sym->name
- && !bfd_hash_lookup (non_ironly_hash, sym->name, TRUE, TRUE))
- einfo (_("%P%X: hash table failure adding symbol %s\n"),
- sym->name);
- }
-}
-
/* To determine which symbols should be resolved LDPR_PREVAILING_DEF
and which LDPR_PREVAILING_DEF_IRONLY, we notice all the symbols as
the linker adds them to the linker hash table. If we see a symbol
it was referenced only by IR files. We have to notice_all symbols,
because we won't necessarily know until later which ones will be
contributed by IR files. */
-bfd_boolean
-plugin_notice (struct bfd_link_info *info ATTRIBUTE_UNUSED,
- const char *name, bfd *abfd,
- asection *section, bfd_vma value ATTRIBUTE_UNUSED)
+static bfd_boolean
+plugin_notice (struct bfd_link_info *info,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma value)
{
- bfd_boolean is_ref = bfd_is_und_section (section);
- bfd_boolean is_dummy = is_ir_dummy_bfd (abfd);
- init_non_ironly_hash ();
- /* We only care about refs, not defs, indicated by section pointing
- to the undefined section (according to the bfd linker notice callback
- interface definition). */
- if (is_ref && !is_dummy)
- {
- /* This is a ref from a non-IR file, so note the ref'd symbol
- in the non-IR-only hash. */
- if (!bfd_hash_lookup (non_ironly_hash, name, TRUE, TRUE))
- einfo (_("%P%X: %s: hash table failure adding symbol %s\n"),
- abfd->filename, name);
- }
- else if (!is_ref && is_dummy)
+ if (name != NULL)
{
- /* No further processing since this is a def from an IR dummy BFD. */
- return FALSE;
+ /* No further processing if this def/ref is from an IR dummy BFD. */
+ if (is_ir_dummy_bfd (abfd))
+ return TRUE;
+
+ /* We only care about refs, not defs, indicated by section
+ pointing to the undefined section (according to the bfd
+ linker notice callback interface definition). */
+ if (bfd_is_und_section (section))
+ {
+ /* This is a ref from a non-IR file, so note the ref'd
+ symbol in the non-IR-only hash. */
+ if (!bfd_hash_lookup (non_ironly_hash, name, TRUE, TRUE))
+ einfo (_("%P%X: %s: hash table failure adding symbol %s\n"),
+ abfd->filename, name);
+ }
}
/* Continue with cref/nocrossref/trace-sym processing. */
+ if (name == NULL
+ || orig_notice_all
+ || (info->notice_hash != NULL
+ && bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) != NULL))
+ return (*orig_callbacks->notice) (info, name, abfd, section, value);
return TRUE;
}
real BFD. We return true if this was not-really-a-clash because
we've fixed it up, or anyway if --allow-multiple-definition was in
effect (before we disabled it to ensure we got called back). */
-bfd_boolean
+static bfd_boolean
plugin_multiple_definition (struct bfd_link_info *info, const char *name,
- bfd *obfd, asection *osec ATTRIBUTE_UNUSED,
- bfd_vma oval ATTRIBUTE_UNUSED,
+ bfd *obfd, asection *osec, bfd_vma oval,
bfd *nbfd, asection *nsec, bfd_vma nval)
{
if (is_ir_dummy_bfd (obfd))
blhe->u.def.value = nval;
return TRUE;
}
- return plugin_cached_allow_multiple_defs;
+
+ if (orig_allow_multiple_defs)
+ return TRUE;
+
+ return (*orig_callbacks->multiple_definition) (info, name, obfd, osec, oval,
+ nbfd, nsec, nval);
}
/* Report plugin symbols. */
extern bfd_boolean report_plugin_symbols;
+/* Set at all symbols read time, to avoid recursively offering the plugin
+ its own newly-added input files and libs to claim. */
+extern bfd_boolean no_more_claiming;
+
/* This is the only forward declaration we need to avoid having
to include the plugin-api.h header in order to use this file. */
struct ld_plugin_input_file;
add_symbols hook has been called so that it can be read when linking. */
extern bfd *plugin_get_ir_dummy_bfd (const char *name, bfd *template);
-/* Notice-symbol bfd linker callback hook. */
-extern bfd_boolean plugin_notice (struct bfd_link_info *info,
- const char *name, bfd *abfd,
- asection *section, bfd_vma value);
-
-/* Multiple-definition bfd linker callback hook. */
-extern bfd_boolean plugin_multiple_definition (struct bfd_link_info *info,
- const char *name,
- bfd *obfd, asection *osec,
- bfd_vma oval, bfd *nbfd,
- asection *nsec,
- bfd_vma nval);
-
#endif /* !def GLD_PLUGIN_H */
--- /dev/null
+#...
+.*: symbol `func' definition: 0, visibility: 0, resolution: 2
+.*: symbol `func1' definition: 0, visibility: 1, resolution: 3
+.*: symbol `func2' definition: 0, visibility: 2, resolution: 3
+.*: symbol `func3' definition: 0, visibility: 3, resolution: 3
+#pass
hook called: claim_file tmpdir/text.o \[@0/.* not claimed
#...
hook called: all symbols read.
+`func' referenced in section `\.text' of tmpdir/main.o: defined in discarded section .*
hook called: cleanup.
#...
hook called: all symbols read.
Sym: '_?func' Resolution: LDPR_PREVAILING_DEF
Sym: '_?func2' Resolution: LDPR_PREVAILING_DEF_IRONLY
+`func' referenced in section `\.text' of tmpdir/main.o: defined in discarded section .*
hook called: cleanup.
#...
-plugin-opt sym:${_}func2::0:2:0 \
-plugin-opt sym:${_}func3::0:3:0 \
-plugin-opt dumpresolutions \
- $testobjfiles $libs" "" "" {{ld plugin-ignore.d} \
- {readelf -s plugin-vis-1.d}} "main.x" ] \
+ -plugin-opt add:tmpdir/func.o \
+ $testobjfiles $libs --verbose=2" "" "" {{ld plugin-12.d}} "main.x" ] \
]
if { !$can_compile || $failed_compile } {
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