/* Plugin control for the GNU linker.
- Copyright (C) 2010-2019 Free Software Foundation, Inc.
+ Copyright (C) 2010-2020 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
#include "sysdep.h"
#include "libiberty.h"
#include "bfd.h"
+#if BFD_SUPPORTS_PLUGINS
#include "bfdlink.h"
#include "bfdver.h"
#include "ctf-api.h"
struct bfd_link_hash_entry *,
bfd *, asection *, bfd_vma, flagword);
-static const bfd_target * plugin_object_p (bfd *);
+static bfd_cleanup plugin_object_p (bfd *);
#if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)
return abfd;
}
}
-report_error:
+ report_error:
einfo (_("%F%P: could not create dummy IR bfd: %E\n"));
return NULL;
}
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
{
- elf_symbol_type *elfsym = elf_symbol_from (abfd, asym);
+ elf_symbol_type *elfsym = elf_symbol_from (asym);
unsigned char visibility;
if (!elfsym)
return copy;
}
-static const bfd_target *
+static void
+plugin_cleanup (bfd *abfd ATTRIBUTE_UNUSED)
+{
+}
+
+static bfd_cleanup
plugin_object_p (bfd *ibfd)
{
int claimed;
if (ibfd->plugin_format != bfd_plugin_unknown)
{
if (ibfd->plugin_format == bfd_plugin_yes)
- return ibfd->plugin_dummy_bfd->xvec;
+ return plugin_cleanup;
else
return NULL;
}
/* We create a dummy BFD, initially empty, to house whatever symbols
the plugin may want to add. */
- abfd = plugin_get_ir_dummy_bfd (ibfd->filename, ibfd);
+ abfd = plugin_get_ir_dummy_bfd (bfd_get_filename (ibfd), ibfd);
input = bfd_alloc (abfd, sizeof (*input));
if (input == NULL)
if (!bfd_plugin_open_input (ibfd, &file))
return NULL;
- if (file.name == ibfd->filename)
+ if (file.name == bfd_get_filename (ibfd))
{
/* We must copy filename attached to ibfd if it is not an archive
member since it may be freed by bfd_close below. */
input->use_mmap = FALSE;
input->offset = file.offset;
input->filesize = file.filesize;
- input->name = plugin_strdup (abfd, ibfd->filename);
+ input->name = plugin_strdup (abfd, bfd_get_filename (ibfd));
claimed = 0;
ibfd->plugin_format = bfd_plugin_yes;
ibfd->plugin_dummy_bfd = abfd;
bfd_make_readable (abfd);
- return abfd->xvec;
+ abfd->no_export = ibfd->no_export;
+ return plugin_cleanup;
}
else
{
new value from a real BFD. Weak symbols are not normally
overridden by a new weak definition, and strong symbols
will normally cause multiple definition errors. Avoid
- this by making the symbol appear to be undefined. */
- else if (((h->type == bfd_link_hash_defweak
- || h->type == bfd_link_hash_defined)
- && is_ir_dummy_bfd (sym_bfd = h->u.def.section->owner))
- || (h->type == bfd_link_hash_common
- && is_ir_dummy_bfd (sym_bfd = h->u.c.p->section->owner)))
+ this by making the symbol appear to be undefined.
+
+ NB: We change the previous definition in the IR object to
+ undefweak only after all LTO symbols have been read or for
+ non-ELF targets. */
+ else if ((info->lto_all_symbols_read
+ || bfd_get_flavour (abfd) != bfd_target_elf_flavour)
+ && (((h->type == bfd_link_hash_defweak
+ || h->type == bfd_link_hash_defined)
+ && is_ir_dummy_bfd (sym_bfd = h->u.def.section->owner))
+ || (h->type == bfd_link_hash_common
+ && is_ir_dummy_bfd (sym_bfd = h->u.c.p->section->owner))))
{
h->type = bfd_link_hash_undefweak;
h->u.undef.abfd = sym_bfd;
abfd, section, value, flags);
return TRUE;
}
+#endif /* BFD_SUPPORTS_PLUGINS */