[deliverable/binutils-gdb.git] / bfd / elf-vxworks.c

/* VxWorks support for ELF
   Copyright (C) 2005-2014 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., 59 Temple Place - Suite 330, Boston,
   MA 02111-1307, USA.  */

/* This file provides routines used by all VxWorks targets.  */

#include "sysdep.h"
#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf-vxworks.h"
#include "elf/vxworks.h"

/* Return true if symbol NAME, as defined by ABFD, is one of the special
   __GOTT_BASE__ or __GOTT_INDEX__ symbols.  */

static bfd_boolean
elf_vxworks_gott_symbol_p (bfd *abfd, const char *name)
{
  char leading;

  leading = bfd_get_symbol_leading_char (abfd);
  if (leading)
    {
      if (*name != leading)
	return FALSE;
      name++;
    }
  return (strcmp (name, "__GOTT_BASE__") == 0
	  || strcmp (name, "__GOTT_INDEX__") == 0);
}

/* Tweak magic VxWorks symbols as they are loaded.  */
bfd_boolean
elf_vxworks_add_symbol_hook (bfd *abfd,
			     struct bfd_link_info *info,
			     Elf_Internal_Sym *sym,
			     const char **namep,
			     flagword *flagsp,
			     asection **secp ATTRIBUTE_UNUSED,
			     bfd_vma *valp ATTRIBUTE_UNUSED)
{
  /* Ideally these "magic" symbols would be exported by libc.so.1
     which would be found via a DT_NEEDED tag, and then handled
     specially by the linker at runtime.  Except shared libraries
     don't even link to libc.so.1 by default...
     If the symbol is imported from, or will be put in a shared library,
     give the symbol weak binding to get the desired samantics.
     This transformation will be undone in
     elf_i386_vxworks_link_output_symbol_hook. */
  if ((info->shared || abfd->flags & DYNAMIC)
      && elf_vxworks_gott_symbol_p (abfd, *namep))
    {
      sym->st_info = ELF_ST_INFO (STB_WEAK, ELF_ST_TYPE (sym->st_info));
      *flagsp |= BSF_WEAK;
    }

  return TRUE;
}

/* Perform VxWorks-specific handling of the create_dynamic_sections hook.
   When creating an executable, set *SRELPLT2_OUT to the .rel(a).plt.unloaded
   section.  */

bfd_boolean
elf_vxworks_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info,
				     asection **srelplt2_out)
{
  struct elf_link_hash_table *htab;
  const struct elf_backend_data *bed;
  asection *s;

  htab = elf_hash_table (info);
  bed = get_elf_backend_data (dynobj);

  if (!info->shared)
    {
      s = bfd_make_section_anyway_with_flags (dynobj,
					      bed->default_use_rela_p
					      ? ".rela.plt.unloaded"
					      : ".rel.plt.unloaded",
					      SEC_HAS_CONTENTS | SEC_IN_MEMORY
					      | SEC_READONLY
					      | SEC_LINKER_CREATED);
      if (s == NULL
	  || !bfd_set_section_alignment (dynobj, s, bed->s->log_file_align))
	return FALSE;

      *srelplt2_out = s;
    }

  /* Mark the GOT and PLT symbols as having relocations; they might
     not, but we won't know for sure until we build the GOT in
     finish_dynamic_symbol.  Also make sure that the GOT symbol
     is entered into the dynamic symbol table; the loader uses it
     to initialize __GOTT_BASE__[__GOTT_INDEX__].  */
  if (htab->hgot)
    {
      htab->hgot->indx = -2;
      htab->hgot->other &= ~ELF_ST_VISIBILITY (-1);
      htab->hgot->forced_local = 0;
      if (!bfd_elf_link_record_dynamic_symbol (info, htab->hgot))
	return FALSE;
    }
  if (htab->hplt)
    {
      htab->hplt->indx = -2;
      htab->hplt->type = STT_FUNC;
    }

  return TRUE;
}

/* Tweak magic VxWorks symbols as they are written to the output file.  */
int
elf_vxworks_link_output_symbol_hook (struct bfd_link_info *info
				       ATTRIBUTE_UNUSED,
				     const char *name,
				     Elf_Internal_Sym *sym,
				     asection *input_sec ATTRIBUTE_UNUSED,
				     struct elf_link_hash_entry *h)
{
  /* Reverse the effects of the hack in elf_vxworks_add_symbol_hook.  */
  if (h
      && h->root.type == bfd_link_hash_undefweak
      && elf_vxworks_gott_symbol_p (h->root.u.undef.abfd, name))
    sym->st_info = ELF_ST_INFO (STB_GLOBAL, ELF_ST_TYPE (sym->st_info));

  return 1;
}

/* Copy relocations into the output file.  Fixes up relocations against PLT
   entries, then calls the generic routine.  */

bfd_boolean
elf_vxworks_emit_relocs (bfd *output_bfd,
			 asection *input_section,
			 Elf_Internal_Shdr *input_rel_hdr,
			 Elf_Internal_Rela *internal_relocs,
			 struct elf_link_hash_entry **rel_hash)
{
  const struct elf_backend_data *bed;
  int j;

  bed = get_elf_backend_data (output_bfd);

  if (output_bfd->flags & (DYNAMIC|EXEC_P))
    {
      Elf_Internal_Rela *irela;
      Elf_Internal_Rela *irelaend;
      struct elf_link_hash_entry **hash_ptr;

      for (irela = internal_relocs,
	     irelaend = irela + (NUM_SHDR_ENTRIES (input_rel_hdr)
				 * bed->s->int_rels_per_ext_rel),
	     hash_ptr = rel_hash;
	   irela < irelaend;
	   irela += bed->s->int_rels_per_ext_rel,
	     hash_ptr++)
	{
	  if (*hash_ptr
	      && (*hash_ptr)->def_dynamic
	      && !(*hash_ptr)->def_regular
	      && ((*hash_ptr)->root.type == bfd_link_hash_defined
		  || (*hash_ptr)->root.type == bfd_link_hash_defweak)
	      && (*hash_ptr)->root.u.def.section->output_section != NULL)
	    {
	      /* This is a relocation from an executable or shared
	         library against a symbol in a different shared
	         library.  We are creating a definition in the output
	         file but it does not come from any of our normal (.o)
	         files. ie. a PLT stub.  Normally this would be a
	         relocation against against SHN_UNDEF with the VMA of
	         the PLT stub.  This upsets the VxWorks loader.
	         Convert it to a section-relative relocation.  This
	         gets some other symbols (for instance .dynbss), but
	         is conservatively correct.  */
	      for (j = 0; j < bed->s->int_rels_per_ext_rel; j++)
		{
		  asection *sec = (*hash_ptr)->root.u.def.section;
		  int this_idx = sec->output_section->target_index;

		  irela[j].r_info
		    = ELF32_R_INFO (this_idx, ELF32_R_TYPE (irela[j].r_info));
		  irela[j].r_addend += (*hash_ptr)->root.u.def.value;
		  irela[j].r_addend += sec->output_offset;
		}
	      /* Stop the generic routine adjusting this entry.  */
	      *hash_ptr = NULL;
	    }
	}
    }
  return _bfd_elf_link_output_relocs (output_bfd, input_section,
				      input_rel_hdr, internal_relocs,
				      rel_hash);
}


/* Set the sh_link and sh_info fields on the static plt relocation secton.  */

void
elf_vxworks_final_write_processing (bfd *abfd,
				    bfd_boolean linker ATTRIBUTE_UNUSED)
{
  asection * sec;
  struct bfd_elf_section_data *d;

  sec = bfd_get_section_by_name (abfd, ".rel.plt.unloaded");
  if (!sec)
    sec = bfd_get_section_by_name (abfd, ".rela.plt.unloaded");
  if (!sec)
    return;
  d = elf_section_data (sec);
  d->this_hdr.sh_link = elf_onesymtab (abfd);
  sec = bfd_get_section_by_name (abfd, ".plt");
  if (sec)
    d->this_hdr.sh_info = elf_section_data (sec)->this_idx;
}

/* Add the dynamic entries required by VxWorks.  These point to the
   tls sections.  */

bfd_boolean
elf_vxworks_add_dynamic_entries (bfd *output_bfd, struct bfd_link_info *info)
{
  if (bfd_get_section_by_name (output_bfd, ".tls_data"))
    {
      if (!_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_DATA_START, 0)
	  || !_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_DATA_SIZE, 0)
	  || !_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_DATA_ALIGN, 0))
	return FALSE;
    }
  if (bfd_get_section_by_name (output_bfd, ".tls_vars"))
    {
      if (!_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_VARS_START, 0)
	  || !_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_VARS_SIZE, 0))
	return FALSE;
    }
  return TRUE;
}

/* If *DYN is one of the VxWorks-specific dynamic entries, then fill
   in the value now  and return TRUE.  Otherwise return FALSE.  */

bfd_boolean
elf_vxworks_finish_dynamic_entry (bfd *output_bfd, Elf_Internal_Dyn *dyn)
{
  asection *sec;

  switch (dyn->d_tag)
    {
    default:
      return FALSE;

    case DT_VX_WRS_TLS_DATA_START:
      sec = bfd_get_section_by_name (output_bfd, ".tls_data");
      dyn->d_un.d_ptr = sec->vma;
      break;

    case DT_VX_WRS_TLS_DATA_SIZE:
      sec = bfd_get_section_by_name (output_bfd, ".tls_data");
      dyn->d_un.d_val = sec->size;
      break;

    case DT_VX_WRS_TLS_DATA_ALIGN:
      sec = bfd_get_section_by_name (output_bfd, ".tls_data");
      dyn->d_un.d_val
	= (bfd_size_type)1 << bfd_get_section_alignment (output_bfd,
							 sec);
      break;

    case DT_VX_WRS_TLS_VARS_START:
      sec = bfd_get_section_by_name (output_bfd, ".tls_vars");
      dyn->d_un.d_ptr = sec->vma;
      break;

    case DT_VX_WRS_TLS_VARS_SIZE:
      sec = bfd_get_section_by_name (output_bfd, ".tls_vars");
      dyn->d_un.d_val = sec->size;
      break;
    }
  return TRUE;
}
Commit	Line	Data
eac338cf	1	/* VxWorks support for ELF
4b95cf5c	2	Copyright (C) 2005-2014 Free Software Foundation, Inc.
eac338cf PB	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
cd123cb7	8	the Free Software Foundation; either version 3 of the License, or
eac338cf PB	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
cd123cb7 NC	18	Foundation, Inc., 59 Temple Place - Suite 330, Boston,
cd123cb7 NC	19	MA 02111-1307, USA. */
eac338cf PB	20
	21	/* This file provides routines used by all VxWorks targets. */
	22
eac338cf	23	#include "sysdep.h"
3db64b00	24	#include "bfd.h"
eac338cf PB	25	#include "libbfd.h"
	26	#include "elf-bfd.h"
	27	#include "elf-vxworks.h"
4d2c0abd	28	#include "elf/vxworks.h"
eac338cf	29
55e6e397 RS	30	/* Return true if symbol NAME, as defined by ABFD, is one of the special
	31	__GOTT_BASE__ or __GOTT_INDEX__ symbols. */
	32
	33	static bfd_boolean
	34	elf_vxworks_gott_symbol_p (bfd abfd, const char name)
	35	{
	36	char leading;
	37
	38	leading = bfd_get_symbol_leading_char (abfd);
	39	if (leading)
	40	{
	41	if (*name != leading)
	42	return FALSE;
	43	name++;
	44	}
	45	return (strcmp (name, "__GOTT_BASE__") == 0
	46	\|\| strcmp (name, "__GOTT_INDEX__") == 0);
	47	}
	48
eac338cf PB	49	/* Tweak magic VxWorks symbols as they are loaded. */
eac338cf PB	50	bfd_boolean
55e6e397	51	elf_vxworks_add_symbol_hook (bfd *abfd,
eac338cf PB	52	struct bfd_link_info *info,
	53	Elf_Internal_Sym *sym,
	54	const char **namep,
	55	flagword *flagsp,
	56	asection **secp ATTRIBUTE_UNUSED,
	57	bfd_vma *valp ATTRIBUTE_UNUSED)
	58	{
	59	/* Ideally these "magic" symbols would be exported by libc.so.1
	60	which would be found via a DT_NEEDED tag, and then handled
	61	specially by the linker at runtime. Except shared libraries
	62	don't even link to libc.so.1 by default...
	63	If the symbol is imported from, or will be put in a shared library,
	64	give the symbol weak binding to get the desired samantics.
	65	This transformation will be undone in
	66	elf_i386_vxworks_link_output_symbol_hook. */
	67	if ((info->shared \|\| abfd->flags & DYNAMIC)
55e6e397	68	&& elf_vxworks_gott_symbol_p (abfd, *namep))
eac338cf PB	69	{
	70	sym->st_info = ELF_ST_INFO (STB_WEAK, ELF_ST_TYPE (sym->st_info));
	71	*flagsp \|= BSF_WEAK;
	72	}
	73
	74	return TRUE;
	75	}
	76
711de32c RS	77	/* Perform VxWorks-specific handling of the create_dynamic_sections hook.
	78	When creating an executable, set *SRELPLT2_OUT to the .rel(a).plt.unloaded
	79	section. */
	80
	81	bfd_boolean
	82	elf_vxworks_create_dynamic_sections (bfd dynobj, struct bfd_link_info info,
	83	asection **srelplt2_out)
	84	{
	85	struct elf_link_hash_table *htab;
	86	const struct elf_backend_data *bed;
	87	asection *s;
	88
	89	htab = elf_hash_table (info);
	90	bed = get_elf_backend_data (dynobj);
	91
	92	if (!info->shared)
	93	{
3d4d4302 AM	94	s = bfd_make_section_anyway_with_flags (dynobj,
	95	bed->default_use_rela_p
	96	? ".rela.plt.unloaded"
	97	: ".rel.plt.unloaded",
	98	SEC_HAS_CONTENTS \| SEC_IN_MEMORY
	99	\| SEC_READONLY
	100	\| SEC_LINKER_CREATED);
711de32c RS	101	if (s == NULL
	102	\|\| !bfd_set_section_alignment (dynobj, s, bed->s->log_file_align))
	103	return FALSE;
	104
	105	*srelplt2_out = s;
	106	}
	107
	108	/* Mark the GOT and PLT symbols as having relocations; they might
	109	not, but we won't know for sure until we build the GOT in
	110	finish_dynamic_symbol. Also make sure that the GOT symbol
	111	is entered into the dynamic symbol table; the loader uses it
	112	to initialize __GOTT_BASE__[__GOTT_INDEX__]. */
	113	if (htab->hgot)
	114	{
	115	htab->hgot->indx = -2;
	116	htab->hgot->other &= ~ELF_ST_VISIBILITY (-1);
	117	htab->hgot->forced_local = 0;
	118	if (!bfd_elf_link_record_dynamic_symbol (info, htab->hgot))
	119	return FALSE;
	120	}
	121	if (htab->hplt)
	122	{
	123	htab->hplt->indx = -2;
	124	htab->hplt->type = STT_FUNC;
	125	}
	126
	127	return TRUE;
	128	}
eac338cf PB	129
eac338cf PB	130	/* Tweak magic VxWorks symbols as they are written to the output file. */
6e0b88f1	131	int
9c72ff84 RS	132	elf_vxworks_link_output_symbol_hook (struct bfd_link_info *info
	133	ATTRIBUTE_UNUSED,
	134	const char *name,
	135	Elf_Internal_Sym *sym,
	136	asection *input_sec ATTRIBUTE_UNUSED,
55e6e397	137	struct elf_link_hash_entry *h)
eac338cf PB	138	{
eac338cf PB	139	/* Reverse the effects of the hack in elf_vxworks_add_symbol_hook. */
55e6e397 RS	140	if (h
	141	&& h->root.type == bfd_link_hash_undefweak
	142	&& elf_vxworks_gott_symbol_p (h->root.u.undef.abfd, name))
eac338cf PB	143	sym->st_info = ELF_ST_INFO (STB_GLOBAL, ELF_ST_TYPE (sym->st_info));
eac338cf PB	144
6e0b88f1	145	return 1;
eac338cf PB	146	}
eac338cf PB	147
6b60be10	148	/* Copy relocations into the output file. Fixes up relocations against PLT
eac338cf PB	149	entries, then calls the generic routine. */
	150
	151	bfd_boolean
	152	elf_vxworks_emit_relocs (bfd *output_bfd,
	153	asection *input_section,
	154	Elf_Internal_Shdr *input_rel_hdr,
	155	Elf_Internal_Rela *internal_relocs,
	156	struct elf_link_hash_entry **rel_hash)
	157	{
	158	const struct elf_backend_data *bed;
eac338cf PB	159	int j;
	160
	161	bed = get_elf_backend_data (output_bfd);
	162
6b60be10	163	if (output_bfd->flags & (DYNAMIC\|EXEC_P))
eac338cf	164	{
6b60be10 NS	165	Elf_Internal_Rela *irela;
	166	Elf_Internal_Rela *irelaend;
	167	struct elf_link_hash_entry **hash_ptr;
	168
	169	for (irela = internal_relocs,
	170	irelaend = irela + (NUM_SHDR_ENTRIES (input_rel_hdr)
	171	* bed->s->int_rels_per_ext_rel),
	172	hash_ptr = rel_hash;
	173	irela < irelaend;
	174	irela += bed->s->int_rels_per_ext_rel,
	175	hash_ptr++)
eac338cf	176	{
6b60be10 NS	177	if (*hash_ptr
	178	&& (*hash_ptr)->def_dynamic
	179	&& !(*hash_ptr)->def_regular
	180	&& ((*hash_ptr)->root.type == bfd_link_hash_defined
	181	\|\| (*hash_ptr)->root.type == bfd_link_hash_defweak)
	182	&& (*hash_ptr)->root.u.def.section->output_section != NULL)
eac338cf	183	{
6b60be10 NS	184	/* This is a relocation from an executable or shared
	185	library against a symbol in a different shared
	186	library. We are creating a definition in the output
	187	file but it does not come from any of our normal (.o)
	188	files. ie. a PLT stub. Normally this would be a
	189	relocation against against SHN_UNDEF with the VMA of
	190	the PLT stub. This upsets the VxWorks loader.
	191	Convert it to a section-relative relocation. This
	192	gets some other symbols (for instance .dynbss), but
	193	is conservatively correct. */
	194	for (j = 0; j < bed->s->int_rels_per_ext_rel; j++)
	195	{
	196	asection sec = (hash_ptr)->root.u.def.section;
	197	int this_idx = sec->output_section->target_index;
68ffbac6	198
6b60be10 NS	199	irela[j].r_info
	200	= ELF32_R_INFO (this_idx, ELF32_R_TYPE (irela[j].r_info));
	201	irela[j].r_addend += (*hash_ptr)->root.u.def.value;
	202	irela[j].r_addend += sec->output_offset;
	203	}
	204	/* Stop the generic routine adjusting this entry. */
	205	*hash_ptr = NULL;
eac338cf	206	}
eac338cf	207	}
eac338cf PB	208	}
	209	return _bfd_elf_link_output_relocs (output_bfd, input_section,
	210	input_rel_hdr, internal_relocs,
	211	rel_hash);
	212	}
	213
	214
	215	/* Set the sh_link and sh_info fields on the static plt relocation secton. */
	216
	217	void
	218	elf_vxworks_final_write_processing (bfd *abfd,
	219	bfd_boolean linker ATTRIBUTE_UNUSED)
	220	{
	221	asection * sec;
	222	struct bfd_elf_section_data *d;
	223
	224	sec = bfd_get_section_by_name (abfd, ".rel.plt.unloaded");
9d8504b1 PB	225	if (!sec)
9d8504b1 PB	226	sec = bfd_get_section_by_name (abfd, ".rela.plt.unloaded");
eac338cf PB	227	if (!sec)
	228	return;
	229	d = elf_section_data (sec);
12bd6957	230	d->this_hdr.sh_link = elf_onesymtab (abfd);
eac338cf PB	231	sec = bfd_get_section_by_name (abfd, ".plt");
	232	if (sec)
	233	d->this_hdr.sh_info = elf_section_data (sec)->this_idx;
	234	}
4d2c0abd NS	235
	236	/* Add the dynamic entries required by VxWorks. These point to the
	237	tls sections. */
	238
	239	bfd_boolean
	240	elf_vxworks_add_dynamic_entries (bfd output_bfd, struct bfd_link_info info)
	241	{
	242	if (bfd_get_section_by_name (output_bfd, ".tls_data"))
	243	{
	244	if (!_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_DATA_START, 0)
	245	\|\| !_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_DATA_SIZE, 0)
	246	\|\| !_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_DATA_ALIGN, 0))
	247	return FALSE;
	248	}
	249	if (bfd_get_section_by_name (output_bfd, ".tls_vars"))
	250	{
	251	if (!_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_VARS_START, 0)
	252	\|\| !_bfd_elf_add_dynamic_entry (info, DT_VX_WRS_TLS_VARS_SIZE, 0))
	253	return FALSE;
	254	}
	255	return TRUE;
	256	}
	257
	258	/* If *DYN is one of the VxWorks-specific dynamic entries, then fill
	259	in the value now and return TRUE. Otherwise return FALSE. */
	260
	261	bfd_boolean
	262	elf_vxworks_finish_dynamic_entry (bfd output_bfd, Elf_Internal_Dyn dyn)
	263	{
	264	asection *sec;
68ffbac6	265
4d2c0abd NS	266	switch (dyn->d_tag)
	267	{
	268	default:
	269	return FALSE;
68ffbac6	270
4d2c0abd NS	271	case DT_VX_WRS_TLS_DATA_START:
	272	sec = bfd_get_section_by_name (output_bfd, ".tls_data");
	273	dyn->d_un.d_ptr = sec->vma;
	274	break;
68ffbac6	275
4d2c0abd NS	276	case DT_VX_WRS_TLS_DATA_SIZE:
	277	sec = bfd_get_section_by_name (output_bfd, ".tls_data");
	278	dyn->d_un.d_val = sec->size;
	279	break;
68ffbac6	280
4d2c0abd NS	281	case DT_VX_WRS_TLS_DATA_ALIGN:
	282	sec = bfd_get_section_by_name (output_bfd, ".tls_data");
	283	dyn->d_un.d_val
a0f49396 NC	284	= (bfd_size_type)1 << bfd_get_section_alignment (output_bfd,
a0f49396 NC	285	sec);
4d2c0abd	286	break;
68ffbac6	287
4d2c0abd NS	288	case DT_VX_WRS_TLS_VARS_START:
	289	sec = bfd_get_section_by_name (output_bfd, ".tls_vars");
	290	dyn->d_un.d_ptr = sec->vma;
	291	break;
68ffbac6	292
4d2c0abd NS	293	case DT_VX_WRS_TLS_VARS_SIZE:
	294	sec = bfd_get_section_by_name (output_bfd, ".tls_vars");
	295	dyn->d_un.d_val = sec->size;
	296	break;
	297	}
	298	return TRUE;
	299	}
	300
	301