[thirdparty/binutils-gdb.git] / bfd / plugin.c

/* Plugin support for BFD.
   Copyright (C) 2009-2019 Free Software Foundation, Inc.

   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 3 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.

   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., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#include "sysdep.h"
#include "bfd.h"

#if BFD_SUPPORTS_PLUGINS

#include <assert.h>
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#elif defined (HAVE_WINDOWS_H)
#include <windows.h>
#else
#error Unknown how to handle dynamic-load-libraries.
#endif
#include <stdarg.h>
#include "plugin-api.h"
#include "plugin.h"
#include "libbfd.h"
#include "libiberty.h"
#include <dirent.h>

#if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)

#define RTLD_NOW 0      /* Dummy value.  */

static void *
dlopen (const char *file, int mode ATTRIBUTE_UNUSED)
{
  return LoadLibrary (file);
}

static void *
dlsym (void *handle, const char *name)
{
  return GetProcAddress (handle, name);
}

static int ATTRIBUTE_UNUSED
dlclose (void *handle)
{
  FreeLibrary (handle);
  return 0;
}

static const char *
dlerror (void)
{
  return "Unable to load DLL.";
}

#endif /* !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)  */

#define bfd_plugin_close_and_cleanup		      _bfd_generic_close_and_cleanup
#define bfd_plugin_bfd_free_cached_info		      _bfd_generic_bfd_free_cached_info
#define bfd_plugin_new_section_hook		      _bfd_generic_new_section_hook
#define bfd_plugin_get_section_contents		      _bfd_generic_get_section_contents
#define bfd_plugin_get_section_contents_in_window     _bfd_generic_get_section_contents_in_window
#define bfd_plugin_bfd_copy_private_header_data	      _bfd_generic_bfd_copy_private_header_data
#define bfd_plugin_bfd_merge_private_bfd_data	      _bfd_generic_bfd_merge_private_bfd_data
#define bfd_plugin_bfd_copy_private_header_data	      _bfd_generic_bfd_copy_private_header_data
#define bfd_plugin_bfd_set_private_flags	      _bfd_generic_bfd_set_private_flags
#define bfd_plugin_core_file_matches_executable_p     generic_core_file_matches_executable_p
#define bfd_plugin_bfd_is_local_label_name	      _bfd_nosymbols_bfd_is_local_label_name
#define bfd_plugin_bfd_is_target_special_symbol	      _bfd_bool_bfd_asymbol_false
#define bfd_plugin_get_lineno			      _bfd_nosymbols_get_lineno
#define bfd_plugin_find_nearest_line		      _bfd_nosymbols_find_nearest_line
#define bfd_plugin_find_line			      _bfd_nosymbols_find_line
#define bfd_plugin_find_inliner_info		      _bfd_nosymbols_find_inliner_info
#define bfd_plugin_get_symbol_version_string	      _bfd_nosymbols_get_symbol_version_string
#define bfd_plugin_bfd_make_debug_symbol	      _bfd_nosymbols_bfd_make_debug_symbol
#define bfd_plugin_read_minisymbols		      _bfd_generic_read_minisymbols
#define bfd_plugin_minisymbol_to_symbol		      _bfd_generic_minisymbol_to_symbol
#define bfd_plugin_set_arch_mach		      bfd_default_set_arch_mach
#define bfd_plugin_set_section_contents		      _bfd_generic_set_section_contents
#define bfd_plugin_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define bfd_plugin_bfd_relax_section		      bfd_generic_relax_section
#define bfd_plugin_bfd_link_hash_table_create	      _bfd_generic_link_hash_table_create
#define bfd_plugin_bfd_link_add_symbols		      _bfd_generic_link_add_symbols
#define bfd_plugin_bfd_link_just_syms		      _bfd_generic_link_just_syms
#define bfd_plugin_bfd_final_link		      _bfd_generic_final_link
#define bfd_plugin_bfd_link_split_section	      _bfd_generic_link_split_section
#define bfd_plugin_bfd_gc_sections		      bfd_generic_gc_sections
#define bfd_plugin_bfd_lookup_section_flags	      bfd_generic_lookup_section_flags
#define bfd_plugin_bfd_merge_sections		      bfd_generic_merge_sections
#define bfd_plugin_bfd_is_group_section		      bfd_generic_is_group_section
#define bfd_plugin_bfd_discard_group		      bfd_generic_discard_group
#define bfd_plugin_section_already_linked	      _bfd_generic_section_already_linked
#define bfd_plugin_bfd_define_common_symbol	      bfd_generic_define_common_symbol
#define bfd_plugin_bfd_link_hide_symbol		      _bfd_generic_link_hide_symbol
#define bfd_plugin_bfd_define_start_stop	      bfd_generic_define_start_stop
#define bfd_plugin_bfd_copy_link_hash_symbol_type     _bfd_generic_copy_link_hash_symbol_type
#define bfd_plugin_bfd_link_check_relocs	      _bfd_generic_link_check_relocs

static enum ld_plugin_status
message (int level ATTRIBUTE_UNUSED,
	 const char * format, ...)
{
  va_list args;
  va_start (args, format);
  printf ("bfd plugin: ");
  vprintf (format, args);
  putchar ('\n');
  va_end (args);
  return LDPS_OK;
}

/* Register a claim-file handler. */
static ld_plugin_claim_file_handler claim_file = NULL;

static enum ld_plugin_status
register_claim_file (ld_plugin_claim_file_handler handler)
{
  claim_file = handler;
  return LDPS_OK;
}

static enum ld_plugin_status
add_symbols (void * handle,
	     int nsyms,
	     const struct ld_plugin_symbol * syms)
{
  bfd *abfd = handle;
  struct plugin_data_struct *plugin_data =
    bfd_alloc (abfd, sizeof (plugin_data_struct));

  plugin_data->nsyms = nsyms;
  plugin_data->syms = syms;

  if (nsyms != 0)
    abfd->flags |= HAS_SYMS;

  abfd->tdata.plugin_data = plugin_data;
  return LDPS_OK;
}

static const char *plugin_program_name;

void
bfd_plugin_set_program_name (const char *program_name)
{
  plugin_program_name = program_name;
}

int
bfd_plugin_open_input (bfd *ibfd, struct ld_plugin_input_file *file)
{
  bfd *iobfd;

  iobfd = ibfd;
  while (iobfd->my_archive
	 && !bfd_is_thin_archive (iobfd->my_archive))
    iobfd = iobfd->my_archive;
  file->name = iobfd->filename;

  if (!iobfd->iostream && !bfd_open_file (iobfd))
    return 0;

  /* The plugin API expects that the file descriptor won't be closed
     and reused as done by the bfd file cache.  So open it again.
     dup isn't good enough.  plugin IO uses lseek/read while BFD uses
     fseek/fread.  It isn't wise to mix the unistd and stdio calls on
     the same underlying file descriptor.  */
  file->fd = open (file->name, O_RDONLY | O_BINARY);
  if (file->fd < 0)
    return 0;

  if (iobfd == ibfd)
    {
      struct stat stat_buf;

      if (fstat (file->fd, &stat_buf))
	{
	  close(file->fd);
	  return 0;
	}

      file->offset = 0;
      file->filesize = stat_buf.st_size;
    }
  else
    {
      file->offset = ibfd->origin;
      file->filesize = arelt_size (ibfd);
    }
  return 1;
}

static int
try_claim (bfd *abfd)
{
  int claimed = 0;
  struct ld_plugin_input_file file;

  file.handle = abfd;
  if (!bfd_plugin_open_input (abfd, &file))
    return 0;
  if (claim_file)
    claim_file (&file, &claimed);
  close (file.fd);
  return claimed;
}

struct plugin_list_entry
{
  void *                        handle;
  ld_plugin_claim_file_handler  claim_file;
  struct plugin_list_entry *    next;
};

static struct plugin_list_entry * plugin_list = NULL;

static int
try_load_plugin (const char *pname, bfd *abfd, int *has_plugin_p)
{
  void *plugin_handle = NULL;
  struct ld_plugin_tv tv[4];
  int i;
  ld_plugin_onload onload;
  enum ld_plugin_status status;
  struct plugin_list_entry *plugin_list_iter;

  *has_plugin_p = 0;

  plugin_handle = dlopen (pname, RTLD_NOW);
  if (!plugin_handle)
    {
      _bfd_error_handler ("%s\n", dlerror ());
      return 0;
    }

  for (plugin_list_iter = plugin_list;
       plugin_list_iter;
       plugin_list_iter = plugin_list_iter->next)
    {
      if (plugin_handle == plugin_list_iter->handle)
	{
	  dlclose (plugin_handle);
	  if (!plugin_list_iter->claim_file)
	    return 0;

	  register_claim_file (plugin_list_iter->claim_file);
	  goto have_claim_file;
	}
    }

  plugin_list_iter = (struct plugin_list_entry *) xmalloc (sizeof *plugin_list_iter);
  plugin_list_iter->handle = plugin_handle;
  plugin_list_iter->claim_file = NULL;
  plugin_list_iter->next = plugin_list;
  plugin_list = plugin_list_iter;

  onload = dlsym (plugin_handle, "onload");
  if (!onload)
    return 0;

  i = 0;
  tv[i].tv_tag = LDPT_MESSAGE;
  tv[i].tv_u.tv_message = message;

  ++i;
  tv[i].tv_tag = LDPT_REGISTER_CLAIM_FILE_HOOK;
  tv[i].tv_u.tv_register_claim_file = register_claim_file;

  ++i;
  tv[i].tv_tag = LDPT_ADD_SYMBOLS;
  tv[i].tv_u.tv_add_symbols = add_symbols;

  ++i;
  tv[i].tv_tag = LDPT_NULL;
  tv[i].tv_u.tv_val = 0;

  status = (*onload)(tv);

  if (status != LDPS_OK)
    return 0;

  plugin_list_iter->claim_file = claim_file;

have_claim_file:
  *has_plugin_p = 1;

  abfd->plugin_format = bfd_plugin_no;

  if (!claim_file)
    return 0;

  if (!try_claim (abfd))
    return 0;

  abfd->plugin_format = bfd_plugin_yes;
  return 1;
}

/* There may be plugin libraries in lib/bfd-plugins.  */

static int has_plugin = -1;

static const bfd_target *(*ld_plugin_object_p) (bfd *);

static const char *plugin_name;

void
bfd_plugin_set_plugin (const char *p)
{
  plugin_name = p;
  has_plugin = p != NULL;
}

/* Return TRUE if a plugin library is used.  */

bfd_boolean
bfd_plugin_specified_p (void)
{
  return has_plugin > 0;
}

/* Return TRUE if ABFD can be claimed by linker LTO plugin.  */

bfd_boolean
bfd_link_plugin_object_p (bfd *abfd)
{
  if (ld_plugin_object_p)
    return ld_plugin_object_p (abfd) != NULL;
  return FALSE;
}

extern const bfd_target plugin_vec;

/* Return TRUE if TARGET is a pointer to plugin_vec.  */

bfd_boolean
bfd_plugin_target_p (const bfd_target *target)
{
  return target == &plugin_vec;
}

/* Register OBJECT_P to be used by bfd_plugin_object_p.  */

void
register_ld_plugin_object_p (const bfd_target *(*object_p) (bfd *))
{
  ld_plugin_object_p = object_p;
}

static int
load_plugin (bfd *abfd)
{
  char *plugin_dir;
  char *p;
  DIR *d;
  struct dirent *ent;
  int found = 0;

  if (!has_plugin)
    return found;

  if (plugin_name)
    return try_load_plugin (plugin_name, abfd, &has_plugin);

  if (plugin_program_name == NULL)
    return found;

  plugin_dir = concat (BINDIR, "/../lib/bfd-plugins", NULL);
  p = make_relative_prefix (plugin_program_name,
			    BINDIR,
			    plugin_dir);
  free (plugin_dir);
  plugin_dir = NULL;

  d = opendir (p);
  if (!d)
    goto out;

  while ((ent = readdir (d)))
    {
      char *full_name;
      struct stat s;
      int valid_plugin;

      full_name = concat (p, "/", ent->d_name, NULL);
      if (stat (full_name, &s) == 0 && S_ISREG (s.st_mode))
	found = try_load_plugin (full_name, abfd, &valid_plugin);
      if (has_plugin <= 0)
	has_plugin = valid_plugin;
      free (full_name);
      if (found)
	break;
    }

 out:
  free (p);
  if (d)
    closedir (d);

  return found;
}


static const bfd_target *
bfd_plugin_object_p (bfd *abfd)
{
  if (ld_plugin_object_p)
    return ld_plugin_object_p (abfd);

  if (abfd->plugin_format == bfd_plugin_unknown && !load_plugin (abfd))
    return NULL;

  return abfd->plugin_format == bfd_plugin_yes ? abfd->xvec : NULL;
}

/* Copy any private info we understand from the input bfd
   to the output bfd.  */

static bfd_boolean
bfd_plugin_bfd_copy_private_bfd_data (bfd *ibfd ATTRIBUTE_UNUSED,
				      bfd *obfd ATTRIBUTE_UNUSED)
{
  BFD_ASSERT (0);
  return TRUE;
}

/* Copy any private info we understand from the input section
   to the output section.  */

static bfd_boolean
bfd_plugin_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
					  asection *isection ATTRIBUTE_UNUSED,
					  bfd *obfd ATTRIBUTE_UNUSED,
					  asection *osection ATTRIBUTE_UNUSED)
{
  BFD_ASSERT (0);
  return TRUE;
}

/* Copy any private info we understand from the input symbol
   to the output symbol.  */

static bfd_boolean
bfd_plugin_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
					 asymbol *isymbol ATTRIBUTE_UNUSED,
					 bfd *obfd ATTRIBUTE_UNUSED,
					 asymbol *osymbol ATTRIBUTE_UNUSED)
{
  BFD_ASSERT (0);
  return TRUE;
}

static bfd_boolean
bfd_plugin_bfd_print_private_bfd_data (bfd *abfd ATTRIBUTE_UNUSED, PTR ptr ATTRIBUTE_UNUSED)
{
  BFD_ASSERT (0);
  return TRUE;
}

static char *
bfd_plugin_core_file_failing_command (bfd *abfd ATTRIBUTE_UNUSED)
{
  BFD_ASSERT (0);
  return NULL;
}

static int
bfd_plugin_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
{
  BFD_ASSERT (0);
  return 0;
}

static int
bfd_plugin_core_file_pid (bfd *abfd ATTRIBUTE_UNUSED)
{
  BFD_ASSERT (0);
  return 0;
}

static long
bfd_plugin_get_symtab_upper_bound (bfd *abfd)
{
  struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data;
  long nsyms = plugin_data->nsyms;

  BFD_ASSERT (nsyms >= 0);

  return ((nsyms + 1) * sizeof (asymbol *));
}

static flagword
convert_flags (const struct ld_plugin_symbol *sym)
{
 switch (sym->def)
   {
   case LDPK_DEF:
   case LDPK_COMMON:
   case LDPK_UNDEF:
     return BSF_GLOBAL;

   case LDPK_WEAKUNDEF:
   case LDPK_WEAKDEF:
     return BSF_GLOBAL | BSF_WEAK;

   default:
     BFD_ASSERT (0);
     return 0;
   }
}

static long
bfd_plugin_canonicalize_symtab (bfd *abfd,
				asymbol **alocation)
{
  struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data;
  long nsyms = plugin_data->nsyms;
  const struct ld_plugin_symbol *syms = plugin_data->syms;
  static asection fake_section
    = BFD_FAKE_SECTION (fake_section, NULL, "plug", 0,
			SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS);
  static asection fake_common_section
    = BFD_FAKE_SECTION (fake_common_section, NULL, "plug", 0, SEC_IS_COMMON);
  int i;

  for (i = 0; i < nsyms; i++)
    {
      asymbol *s = bfd_alloc (abfd, sizeof (asymbol));

      BFD_ASSERT (s);
      alocation[i] = s;

      s->the_bfd = abfd;
      s->name = syms[i].name;
      s->value = 0;
      s->flags = convert_flags (&syms[i]);
      switch (syms[i].def)
	{
	case LDPK_COMMON:
	  s->section = &fake_common_section;
	  break;
	case LDPK_UNDEF:
	case LDPK_WEAKUNDEF:
	  s->section = bfd_und_section_ptr;
	  break;
	case LDPK_DEF:
	case LDPK_WEAKDEF:
	  s->section = &fake_section;
	  break;
	default:
	  BFD_ASSERT (0);
	}

      s->udata.p = (void *) &syms[i];
    }

  return nsyms;
}

static void
bfd_plugin_print_symbol (bfd *abfd ATTRIBUTE_UNUSED,
			 PTR afile ATTRIBUTE_UNUSED,
			 asymbol *symbol ATTRIBUTE_UNUSED,
			 bfd_print_symbol_type how ATTRIBUTE_UNUSED)
{
  BFD_ASSERT (0);
}

static void
bfd_plugin_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
			    asymbol *symbol,
			    symbol_info *ret)
{
  bfd_symbol_info (symbol, ret);
}

/* Make an empty symbol. */

static asymbol *
bfd_plugin_make_empty_symbol (bfd *abfd)
{
  asymbol *new_symbol = bfd_zalloc (abfd, sizeof (asymbol));
  if (new_symbol == NULL)
    return new_symbol;
  new_symbol->the_bfd = abfd;
  return new_symbol;
}

static int
bfd_plugin_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
			   struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
  BFD_ASSERT (0);
  return 0;
}

const bfd_target plugin_vec =
{
  "plugin",			/* Name.  */
  bfd_target_unknown_flavour,
  BFD_ENDIAN_LITTLE,		/* Target byte order.  */
  BFD_ENDIAN_LITTLE,		/* Target headers byte order.  */
  (HAS_RELOC | EXEC_P |		/* Object flags.  */
   HAS_LINENO | HAS_DEBUG |
   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
  (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
   | SEC_ALLOC | SEC_LOAD | SEC_RELOC),	/* Section flags.  */
  0,				/* symbol_leading_char.  */
  '/',				/* ar_pad_char.  */
  15,				/* ar_max_namelen.  */
  255,				/* match priority.  */

  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* data */
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* hdrs */

  {				/* bfd_check_format.  */
    _bfd_dummy_target,
    bfd_plugin_object_p,
    bfd_generic_archive_p,
    _bfd_dummy_target
  },
  {				/* bfd_set_format.  */
    _bfd_bool_bfd_false_error,
    _bfd_bool_bfd_false_error,
    _bfd_generic_mkarchive,
    _bfd_bool_bfd_false_error,
  },
  {				/* bfd_write_contents.  */
    _bfd_bool_bfd_false_error,
    _bfd_bool_bfd_false_error,
    _bfd_write_archive_contents,
    _bfd_bool_bfd_false_error,
  },

  BFD_JUMP_TABLE_GENERIC (bfd_plugin),
  BFD_JUMP_TABLE_COPY (bfd_plugin),
  BFD_JUMP_TABLE_CORE (bfd_plugin),
#ifdef USE_64_BIT_ARCHIVE
  BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
#else
  BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
#endif
  BFD_JUMP_TABLE_SYMBOLS (bfd_plugin),
  BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
  BFD_JUMP_TABLE_WRITE (bfd_plugin),
  BFD_JUMP_TABLE_LINK (bfd_plugin),
  BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),

  NULL,

  NULL				/* backend_data.  */
};
#endif /* BFD_SUPPORTS_PLUGIN */
Commit	Line	Data
ce3c775b	1	/* Plugin support for BFD.
82704155	2	Copyright (C) 2009-2019 Free Software Foundation, Inc.
ce3c775b NC	3
	4	This file is part of BFD, the Binary File Descriptor library.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 3 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	19	MA 02110-1301, USA. */
	20
691bf19c	21	#include "sysdep.h"
98950613 AM	22	#include "bfd.h"
	23
	24	#if BFD_SUPPORTS_PLUGINS
	25
ce3c775b	26	#include <assert.h>
17d5dae2	27	#ifdef HAVE_DLFCN_H
ce3c775b	28	#include <dlfcn.h>
17d5dae2 KT	29	#elif defined (HAVE_WINDOWS_H)
	30	#include <windows.h>
	31	#else
	32	#error Unknown how to handle dynamic-load-libraries.
	33	#endif
ce3c775b NC	34	#include <stdarg.h>
ce3c775b NC	35	#include "plugin-api.h"
ce3c775b NC	36	#include "plugin.h"
	37	#include "libbfd.h"
	38	#include "libiberty.h"
	39	#include <dirent.h>
	40
17d5dae2 KT	41	#if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)
	42
	43	#define RTLD_NOW 0 /* Dummy value. */
	44
	45	static void *
	46	dlopen (const char *file, int mode ATTRIBUTE_UNUSED)
	47	{
	48	return LoadLibrary (file);
	49	}
	50
	51	static void *
	52	dlsym (void handle, const char name)
	53	{
	54	return GetProcAddress (handle, name);
	55	}
	56
	57	static int ATTRIBUTE_UNUSED
	58	dlclose (void *handle)
	59	{
	60	FreeLibrary (handle);
	61	return 0;
	62	}
	63
	64	static const char *
	65	dlerror (void)
	66	{
	67	return "Unable to load DLL.";
	68	}
	69
	70	#endif /* !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H) */
	71
07d6d2b8 AM	72	#define bfd_plugin_close_and_cleanup _bfd_generic_close_and_cleanup
	73	#define bfd_plugin_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
	74	#define bfd_plugin_new_section_hook _bfd_generic_new_section_hook
	75	#define bfd_plugin_get_section_contents _bfd_generic_get_section_contents
ce3c775b	76	#define bfd_plugin_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
07d6d2b8 AM	77	#define bfd_plugin_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
	78	#define bfd_plugin_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
	79	#define bfd_plugin_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
	80	#define bfd_plugin_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
ce3c775b	81	#define bfd_plugin_core_file_matches_executable_p generic_core_file_matches_executable_p
07d6d2b8	82	#define bfd_plugin_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name
d00dd7dc	83	#define bfd_plugin_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
07d6d2b8 AM	84	#define bfd_plugin_get_lineno _bfd_nosymbols_get_lineno
	85	#define bfd_plugin_find_nearest_line _bfd_nosymbols_find_nearest_line
	86	#define bfd_plugin_find_line _bfd_nosymbols_find_line
	87	#define bfd_plugin_find_inliner_info _bfd_nosymbols_find_inliner_info
60bb06bc	88	#define bfd_plugin_get_symbol_version_string _bfd_nosymbols_get_symbol_version_string
07d6d2b8 AM	89	#define bfd_plugin_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
	90	#define bfd_plugin_read_minisymbols _bfd_generic_read_minisymbols
	91	#define bfd_plugin_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
	92	#define bfd_plugin_set_arch_mach bfd_default_set_arch_mach
	93	#define bfd_plugin_set_section_contents _bfd_generic_set_section_contents
ce3c775b	94	#define bfd_plugin_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
07d6d2b8 AM	95	#define bfd_plugin_bfd_relax_section bfd_generic_relax_section
	96	#define bfd_plugin_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
	97	#define bfd_plugin_bfd_link_add_symbols _bfd_generic_link_add_symbols
	98	#define bfd_plugin_bfd_link_just_syms _bfd_generic_link_just_syms
	99	#define bfd_plugin_bfd_final_link _bfd_generic_final_link
	100	#define bfd_plugin_bfd_link_split_section _bfd_generic_link_split_section
	101	#define bfd_plugin_bfd_gc_sections bfd_generic_gc_sections
	102	#define bfd_plugin_bfd_lookup_section_flags bfd_generic_lookup_section_flags
	103	#define bfd_plugin_bfd_merge_sections bfd_generic_merge_sections
	104	#define bfd_plugin_bfd_is_group_section bfd_generic_is_group_section
	105	#define bfd_plugin_bfd_discard_group bfd_generic_discard_group
	106	#define bfd_plugin_section_already_linked _bfd_generic_section_already_linked
	107	#define bfd_plugin_bfd_define_common_symbol bfd_generic_define_common_symbol
34a87bb0	108	#define bfd_plugin_bfd_link_hide_symbol _bfd_generic_link_hide_symbol
07d6d2b8	109	#define bfd_plugin_bfd_define_start_stop bfd_generic_define_start_stop
69a630b5	110	#define bfd_plugin_bfd_copy_link_hash_symbol_type _bfd_generic_copy_link_hash_symbol_type
07d6d2b8	111	#define bfd_plugin_bfd_link_check_relocs _bfd_generic_link_check_relocs
ce3c775b NC	112
	113	static enum ld_plugin_status
	114	message (int level ATTRIBUTE_UNUSED,
	115	const char * format, ...)
	116	{
	117	va_list args;
	118	va_start (args, format);
	119	printf ("bfd plugin: ");
	120	vprintf (format, args);
d9b21463	121	putchar ('\n');
ce3c775b NC	122	va_end (args);
	123	return LDPS_OK;
	124	}
	125
	126	/* Register a claim-file handler. */
103da91b	127	static ld_plugin_claim_file_handler claim_file = NULL;
ce3c775b NC	128
	129	static enum ld_plugin_status
	130	register_claim_file (ld_plugin_claim_file_handler handler)
	131	{
	132	claim_file = handler;
	133	return LDPS_OK;
	134	}
	135
	136	static enum ld_plugin_status
	137	add_symbols (void * handle,
	138	int nsyms,
	139	const struct ld_plugin_symbol * syms)
	140	{
	141	bfd *abfd = handle;
	142	struct plugin_data_struct *plugin_data =
5bb3703f	143	bfd_alloc (abfd, sizeof (plugin_data_struct));
ce3c775b NC	144
	145	plugin_data->nsyms = nsyms;
	146	plugin_data->syms = syms;
	147
	148	if (nsyms != 0)
	149	abfd->flags \|= HAS_SYMS;
	150
	151	abfd->tdata.plugin_data = plugin_data;
	152	return LDPS_OK;
	153	}
	154
fc579192 NC	155	static const char *plugin_program_name;
	156
	157	void
	158	bfd_plugin_set_program_name (const char *program_name)
	159	{
	160	plugin_program_name = program_name;
	161	}
ce3c775b	162
7d0b9ebc AM	163	int
7d0b9ebc AM	164	bfd_plugin_open_input (bfd ibfd, struct ld_plugin_input_file file)
ce3c775b	165	{
e44f5bef MT	166	bfd *iobfd;
e44f5bef MT	167
7d0b9ebc	168	iobfd = ibfd;
27b07675 AM	169	while (iobfd->my_archive
	170	&& !bfd_is_thin_archive (iobfd->my_archive))
	171	iobfd = iobfd->my_archive;
7d0b9ebc	172	file->name = iobfd->filename;
e44f5bef MT	173
	174	if (!iobfd->iostream && !bfd_open_file (iobfd))
	175	return 0;
	176
27b07675 AM	177	/* The plugin API expects that the file descriptor won't be closed
	178	and reused as done by the bfd file cache. So open it again.
	179	dup isn't good enough. plugin IO uses lseek/read while BFD uses
	180	fseek/fread. It isn't wise to mix the unistd and stdio calls on
	181	the same underlying file descriptor. */
	182	file->fd = open (file->name, O_RDONLY \| O_BINARY);
	183	if (file->fd < 0)
	184	return 0;
e44f5bef	185
7d0b9ebc	186	if (iobfd == ibfd)
e44f5bef MT	187	{
e44f5bef MT	188	struct stat stat_buf;
103da91b	189
7d0b9ebc	190	if (fstat (file->fd, &stat_buf))
103da91b NC	191	{
	192	close(file->fd);
	193	return 0;
	194	}
	195
7d0b9ebc AM	196	file->offset = 0;
	197	file->filesize = stat_buf.st_size;
	198	}
	199	else
	200	{
	201	file->offset = ibfd->origin;
	202	file->filesize = arelt_size (ibfd);
e44f5bef	203	}
7d0b9ebc AM	204	return 1;
	205	}
	206
	207	static int
	208	try_claim (bfd *abfd)
	209	{
	210	int claimed = 0;
	211	struct ld_plugin_input_file file;
e44f5bef	212
27b07675	213	file.handle = abfd;
7d0b9ebc AM	214	if (!bfd_plugin_open_input (abfd, &file))
7d0b9ebc AM	215	return 0;
103da91b NC	216	if (claim_file)
	217	claim_file (&file, &claimed);
	218	close (file.fd);
7d0b9ebc	219	return claimed;
e44f5bef MT	220	}
e44f5bef MT	221
b0ceb98a Z	222	struct plugin_list_entry
	223	{
	224	void * handle;
	225	ld_plugin_claim_file_handler claim_file;
	226	struct plugin_list_entry * next;
	227	};
	228
	229	static struct plugin_list_entry * plugin_list = NULL;
	230
e44f5bef	231	static int
5ae0078c	232	try_load_plugin (const char pname, bfd abfd, int *has_plugin_p)
e44f5bef	233	{
103da91b	234	void *plugin_handle = NULL;
6f4c0a42	235	struct ld_plugin_tv tv[4];
ce3c775b NC	236	int i;
	237	ld_plugin_onload onload;
	238	enum ld_plugin_status status;
b0ceb98a	239	struct plugin_list_entry *plugin_list_iter;
103da91b	240
5ae0078c L	241	*has_plugin_p = 0;
5ae0078c L	242
ce3c775b NC	243	plugin_handle = dlopen (pname, RTLD_NOW);
	244	if (!plugin_handle)
	245	{
4eca0228	246	_bfd_error_handler ("%s\n", dlerror ());
ce3c775b NC	247	return 0;
	248	}
	249
b0ceb98a Z	250	for (plugin_list_iter = plugin_list;
	251	plugin_list_iter;
	252	plugin_list_iter = plugin_list_iter->next)
	253	{
	254	if (plugin_handle == plugin_list_iter->handle)
4b24dd1a AM	255	{
	256	dlclose (plugin_handle);
	257	if (!plugin_list_iter->claim_file)
	258	return 0;
	259
	260	register_claim_file (plugin_list_iter->claim_file);
	261	goto have_claim_file;
	262	}
b0ceb98a Z	263	}
	264
	265	plugin_list_iter = (struct plugin_list_entry ) xmalloc (sizeof plugin_list_iter);
	266	plugin_list_iter->handle = plugin_handle;
	267	plugin_list_iter->claim_file = NULL;
	268	plugin_list_iter->next = plugin_list;
	269	plugin_list = plugin_list_iter;
	270
ce3c775b NC	271	onload = dlsym (plugin_handle, "onload");
ce3c775b NC	272	if (!onload)
b0ceb98a	273	return 0;
ce3c775b NC	274
	275	i = 0;
	276	tv[i].tv_tag = LDPT_MESSAGE;
	277	tv[i].tv_u.tv_message = message;
	278
	279	++i;
	280	tv[i].tv_tag = LDPT_REGISTER_CLAIM_FILE_HOOK;
	281	tv[i].tv_u.tv_register_claim_file = register_claim_file;
	282
	283	++i;
	284	tv[i].tv_tag = LDPT_ADD_SYMBOLS;
	285	tv[i].tv_u.tv_add_symbols = add_symbols;
	286
	287	++i;
	288	tv[i].tv_tag = LDPT_NULL;
	289	tv[i].tv_u.tv_val = 0;
	290
	291	status = (*onload)(tv);
	292
	293	if (status != LDPS_OK)
b0ceb98a Z	294	return 0;
	295
	296	plugin_list_iter->claim_file = claim_file;
ce3c775b	297
103da91b	298	have_claim_file:
5ae0078c L	299	*has_plugin_p = 1;
	300
	301	abfd->plugin_format = bfd_plugin_no;
	302
ce3c775b	303	if (!claim_file)
b0ceb98a	304	return 0;
ce3c775b	305
e44f5bef	306	if (!try_claim (abfd))
b0ceb98a	307	return 0;
e44f5bef	308
5ae0078c	309	abfd->plugin_format = bfd_plugin_yes;
ce3c775b	310	return 1;
ce3c775b NC	311	}
ce3c775b NC	312
5ae0078c L	313	/* There may be plugin libraries in lib/bfd-plugins. */
	314
	315	static int has_plugin = -1;
	316
	317	static const bfd_target (ld_plugin_object_p) (bfd *);
	318
ce3c775b NC	319	static const char *plugin_name;
	320
	321	void
	322	bfd_plugin_set_plugin (const char *p)
	323	{
	324	plugin_name = p;
5ae0078c L	325	has_plugin = p != NULL;
	326	}
	327
	328	/* Return TRUE if a plugin library is used. */
	329
	330	bfd_boolean
	331	bfd_plugin_specified_p (void)
	332	{
	333	return has_plugin > 0;
	334	}
	335
7dc3990e L	336	/* Return TRUE if ABFD can be claimed by linker LTO plugin. */
	337
	338	bfd_boolean
	339	bfd_link_plugin_object_p (bfd *abfd)
	340	{
	341	if (ld_plugin_object_p)
	342	return ld_plugin_object_p (abfd) != NULL;
	343	return FALSE;
	344	}
	345
5ae0078c L	346	extern const bfd_target plugin_vec;
	347
	348	/* Return TRUE if TARGET is a pointer to plugin_vec. */
	349
	350	bfd_boolean
	351	bfd_plugin_target_p (const bfd_target *target)
	352	{
	353	return target == &plugin_vec;
	354	}
	355
	356	/* Register OBJECT_P to be used by bfd_plugin_object_p. */
	357
	358	void
	359	register_ld_plugin_object_p (const bfd_target (object_p) (bfd *))
	360	{
	361	ld_plugin_object_p = object_p;
ce3c775b NC	362	}
	363
	364	static int
e44f5bef	365	load_plugin (bfd *abfd)
ce3c775b NC	366	{
	367	char *plugin_dir;
	368	char *p;
	369	DIR *d;
	370	struct dirent *ent;
	371	int found = 0;
	372
5ae0078c L	373	if (!has_plugin)
	374	return found;
	375
ce3c775b	376	if (plugin_name)
5ae0078c	377	return try_load_plugin (plugin_name, abfd, &has_plugin);
ce3c775b	378
fc579192	379	if (plugin_program_name == NULL)
5ae0078c	380	return found;
ce3c775b NC	381
ce3c775b NC	382	plugin_dir = concat (BINDIR, "/../lib/bfd-plugins", NULL);
fc579192	383	p = make_relative_prefix (plugin_program_name,
ce3c775b NC	384	BINDIR,
	385	plugin_dir);
	386	free (plugin_dir);
	387	plugin_dir = NULL;
	388
	389	d = opendir (p);
	390	if (!d)
	391	goto out;
	392
	393	while ((ent = readdir (d)))
	394	{
	395	char *full_name;
c41ba836	396	struct stat s;
5ae0078c	397	int valid_plugin;
ce3c775b NC	398
ce3c775b NC	399	full_name = concat (p, "/", ent->d_name, NULL);
103da91b	400	if (stat (full_name, &s) == 0 && S_ISREG (s.st_mode))
5ae0078c L	401	found = try_load_plugin (full_name, abfd, &valid_plugin);
	402	if (has_plugin <= 0)
	403	has_plugin = valid_plugin;
ce3c775b NC	404	free (full_name);
	405	if (found)
	406	break;
	407	}
	408
	409	out:
	410	free (p);
	411	if (d)
	412	closedir (d);
	413
	414	return found;
	415	}
	416
	417
	418	static const bfd_target *
	419	bfd_plugin_object_p (bfd *abfd)
	420	{
5ae0078c L	421	if (ld_plugin_object_p)
	422	return ld_plugin_object_p (abfd);
	423
49f30d83	424	if (abfd->plugin_format == bfd_plugin_unknown && !load_plugin (abfd))
ce3c775b NC	425	return NULL;
ce3c775b NC	426
5ae0078c	427	return abfd->plugin_format == bfd_plugin_yes ? abfd->xvec : NULL;
ce3c775b NC	428	}
	429
	430	/* Copy any private info we understand from the input bfd
	431	to the output bfd. */
	432
	433	static bfd_boolean
	434	bfd_plugin_bfd_copy_private_bfd_data (bfd *ibfd ATTRIBUTE_UNUSED,
	435	bfd *obfd ATTRIBUTE_UNUSED)
	436	{
	437	BFD_ASSERT (0);
	438	return TRUE;
	439	}
	440
	441	/* Copy any private info we understand from the input section
	442	to the output section. */
	443
	444	static bfd_boolean
	445	bfd_plugin_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
	446	asection *isection ATTRIBUTE_UNUSED,
	447	bfd *obfd ATTRIBUTE_UNUSED,
	448	asection *osection ATTRIBUTE_UNUSED)
	449	{
	450	BFD_ASSERT (0);
	451	return TRUE;
	452	}
	453
	454	/* Copy any private info we understand from the input symbol
	455	to the output symbol. */
	456
	457	static bfd_boolean
	458	bfd_plugin_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
	459	asymbol *isymbol ATTRIBUTE_UNUSED,
	460	bfd *obfd ATTRIBUTE_UNUSED,
	461	asymbol *osymbol ATTRIBUTE_UNUSED)
	462	{
	463	BFD_ASSERT (0);
	464	return TRUE;
	465	}
	466
	467	static bfd_boolean
	468	bfd_plugin_bfd_print_private_bfd_data (bfd *abfd ATTRIBUTE_UNUSED, PTR ptr ATTRIBUTE_UNUSED)
	469	{
	470	BFD_ASSERT (0);
	471	return TRUE;
	472	}
	473
	474	static char *
	475	bfd_plugin_core_file_failing_command (bfd *abfd ATTRIBUTE_UNUSED)
	476	{
	477	BFD_ASSERT (0);
	478	return NULL;
	479	}
	480
	481	static int
	482	bfd_plugin_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
261b8d08 PA	483	{
	484	BFD_ASSERT (0);
	485	return 0;
	486	}
	487
	488	static int
	489	bfd_plugin_core_file_pid (bfd *abfd ATTRIBUTE_UNUSED)
ce3c775b NC	490	{
	491	BFD_ASSERT (0);
	492	return 0;
	493	}
	494
	495	static long
	496	bfd_plugin_get_symtab_upper_bound (bfd *abfd)
	497	{
	498	struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data;
	499	long nsyms = plugin_data->nsyms;
	500
	501	BFD_ASSERT (nsyms >= 0);
	502
	503	return ((nsyms + 1) * sizeof (asymbol *));
	504	}
	505
	506	static flagword
	507	convert_flags (const struct ld_plugin_symbol *sym)
	508	{
	509	switch (sym->def)
68ffbac6	510	{
ce3c775b NC	511	case LDPK_DEF:
	512	case LDPK_COMMON:
	513	case LDPK_UNDEF:
	514	return BSF_GLOBAL;
	515
	516	case LDPK_WEAKUNDEF:
	517	case LDPK_WEAKDEF:
	518	return BSF_GLOBAL \| BSF_WEAK;
	519
	520	default:
	521	BFD_ASSERT (0);
	522	return 0;
	523	}
	524	}
	525
	526	static long
	527	bfd_plugin_canonicalize_symtab (bfd *abfd,
	528	asymbol **alocation)
	529	{
	530	struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data;
	531	long nsyms = plugin_data->nsyms;
	532	const struct ld_plugin_symbol *syms = plugin_data->syms;
a288c270 AM	533	static asection fake_section
	534	= BFD_FAKE_SECTION (fake_section, NULL, "plug", 0,
	535	SEC_ALLOC \| SEC_LOAD \| SEC_CODE \| SEC_HAS_CONTENTS);
	536	static asection fake_common_section
	537	= BFD_FAKE_SECTION (fake_common_section, NULL, "plug", 0, SEC_IS_COMMON);
ce3c775b NC	538	int i;
ce3c775b NC	539
ce3c775b NC	540	for (i = 0; i < nsyms; i++)
ce3c775b NC	541	{
68ffbac6	542	asymbol *s = bfd_alloc (abfd, sizeof (asymbol));
ce3c775b NC	543
	544	BFD_ASSERT (s);
	545	alocation[i] = s;
	546
	547	s->the_bfd = abfd;
	548	s->name = syms[i].name;
	549	s->value = 0;
	550	s->flags = convert_flags (&syms[i]);
	551	switch (syms[i].def)
	552	{
	553	case LDPK_COMMON:
	554	s->section = &fake_common_section;
	555	break;
	556	case LDPK_UNDEF:
	557	case LDPK_WEAKUNDEF:
	558	s->section = bfd_und_section_ptr;
	559	break;
	560	case LDPK_DEF:
	561	case LDPK_WEAKDEF:
	562	s->section = &fake_section;
	563	break;
	564	default:
	565	BFD_ASSERT (0);
	566	}
	567
	568	s->udata.p = (void *) &syms[i];
	569	}
	570
	571	return nsyms;
	572	}
	573
	574	static void
	575	bfd_plugin_print_symbol (bfd *abfd ATTRIBUTE_UNUSED,
	576	PTR afile ATTRIBUTE_UNUSED,
	577	asymbol *symbol ATTRIBUTE_UNUSED,
	578	bfd_print_symbol_type how ATTRIBUTE_UNUSED)
	579	{
	580	BFD_ASSERT (0);
	581	}
	582
	583	static void
	584	bfd_plugin_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
	585	asymbol *symbol,
	586	symbol_info *ret)
	587	{
	588	bfd_symbol_info (symbol, ret);
	589	}
	590
	591	/* Make an empty symbol. */
	592
	593	static asymbol *
	594	bfd_plugin_make_empty_symbol (bfd *abfd)
	595	{
d3ce72d0 NC	596	asymbol *new_symbol = bfd_zalloc (abfd, sizeof (asymbol));
	597	if (new_symbol == NULL)
	598	return new_symbol;
	599	new_symbol->the_bfd = abfd;
	600	return new_symbol;
ce3c775b NC	601	}
	602
	603	static int
	604	bfd_plugin_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
	605	struct bfd_link_info *info ATTRIBUTE_UNUSED)
	606	{
	607	BFD_ASSERT (0);
	608	return 0;
	609	}
	610
ce3c775b NC	611	const bfd_target plugin_vec =
	612	{
	613	"plugin", /* Name. */
	614	bfd_target_unknown_flavour,
	615	BFD_ENDIAN_LITTLE, /* Target byte order. */
	616	BFD_ENDIAN_LITTLE, /* Target headers byte order. */
	617	(HAS_RELOC \| EXEC_P \| /* Object flags. */
	618	HAS_LINENO \| HAS_DEBUG \|
	619	HAS_SYMS \| HAS_LOCALS \| DYNAMIC \| WP_TEXT \| D_PAGED),
	620	(SEC_CODE \| SEC_DATA \| SEC_ROM \| SEC_HAS_CONTENTS
	621	\| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* Section flags. */
	622	0, /* symbol_leading_char. */
	623	'/', /* ar_pad_char. */
	624	15, /* ar_max_namelen. */
64bfc258	625	255, /* match priority. */
ce3c775b NC	626
	627	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
	628	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	629	bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
	630	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
	631	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	632	bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
	633
	634	{ /* bfd_check_format. */
	635	_bfd_dummy_target,
	636	bfd_plugin_object_p,
	637	bfd_generic_archive_p,
	638	_bfd_dummy_target
	639	},
	640	{ /* bfd_set_format. */
d00dd7dc AM	641	_bfd_bool_bfd_false_error,
d00dd7dc AM	642	_bfd_bool_bfd_false_error,
ce3c775b	643	_bfd_generic_mkarchive,
d00dd7dc	644	_bfd_bool_bfd_false_error,
ce3c775b NC	645	},
ce3c775b NC	646	{ /* bfd_write_contents. */
d00dd7dc AM	647	_bfd_bool_bfd_false_error,
d00dd7dc AM	648	_bfd_bool_bfd_false_error,
ce3c775b	649	_bfd_write_archive_contents,
d00dd7dc	650	_bfd_bool_bfd_false_error,
ce3c775b NC	651	},
	652
	653	BFD_JUMP_TABLE_GENERIC (bfd_plugin),
	654	BFD_JUMP_TABLE_COPY (bfd_plugin),
	655	BFD_JUMP_TABLE_CORE (bfd_plugin),
e6cc316a L	656	#ifdef USE_64_BIT_ARCHIVE
	657	BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
	658	#else
ce3c775b	659	BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
e6cc316a	660	#endif
ce3c775b NC	661	BFD_JUMP_TABLE_SYMBOLS (bfd_plugin),
	662	BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
	663	BFD_JUMP_TABLE_WRITE (bfd_plugin),
	664	BFD_JUMP_TABLE_LINK (bfd_plugin),
	665	BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
	666
	667	NULL,
	668
07d6d2b8	669	NULL /* backend_data. */
ce3c775b	670	};
98950613	671	#endif /* BFD_SUPPORTS_PLUGIN */