[deliverable/binutils-gdb.git] / ld / emultempl / hppaelf.em

# This shell script emits a C file. -*- C -*-
#   Copyright (C) 1991, 93, 94, 95, 97, 99, 2000
#   Free Software Foundation, Inc.
#
# This file is part of GLD, the Gnu Linker.
#
# 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 2 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 is sourced from elf32.em, and defines extra hppa-elf
# specific routines.
#
cat >>e${EMULATION_NAME}.c <<EOF

#include "ldctor.h"
#include "elf32-hppa.h"

static void hppaelf_create_output_section_statements PARAMS ((void));
static void hppaelf_delete_padding_statements
  PARAMS ((lang_statement_list_type *));
static asection *hppaelf_add_stub_section
  PARAMS ((const char *, asection *));
static void hppaelf_layaout_sections_again PARAMS ((void));
static void hppaelf_finish PARAMS ((void));


/* Fake input file for stubs.  */
static lang_input_statement_type *stub_file;

/* Type of import/export stubs to build.  For a single sub-space model,
   we can build smaller import stubs and there is no need for export
   stubs.  */
static int multi_subspace = 0;

/* Maximum size of a group of input sections that can be handled by
   one stub section.  A value of +/-1 indicates the bfd back-end
   should use a suitable default size.  */
static bfd_signed_vma group_size = 1;

/* This is called before the input files are opened.  We create a new
   fake input file to hold the stub sections.  */

static void
hppaelf_create_output_section_statements ()
{
  stub_file = lang_add_input_file ("linker stubs",
				   lang_input_file_is_fake_enum,
				   NULL);
  stub_file->the_bfd = bfd_create ("linker stubs", output_bfd);
  if (stub_file->the_bfd == NULL
      || ! bfd_set_arch_mach (stub_file->the_bfd,
			      bfd_get_arch (output_bfd),
			      bfd_get_mach (output_bfd)))
    {
      einfo ("%X%P: can not create BFD %E\n");
      return;
    }

  ldlang_add_file (stub_file);
}

/* Walk all the lang statements splicing out any padding statements from
   the list.  */

static void
hppaelf_delete_padding_statements (list)
     lang_statement_list_type *list;
{
  lang_statement_union_type *s;
  lang_statement_union_type **ps;
  for (ps = &list->head; (s = *ps) != NULL; ps = &s->next)
    {
      switch (s->header.type)
	{

	/* We want to recursively walk these sections.  */
	case lang_constructors_statement_enum:
	  hppaelf_delete_padding_statements (&constructor_list);
	  break;

	case lang_output_section_statement_enum:
	  hppaelf_delete_padding_statements (&s->output_section_statement.children);
	  break;

	case lang_group_statement_enum:
	  hppaelf_delete_padding_statements (&s->group_statement.children);
	  break;

	case lang_wild_statement_enum:
	  hppaelf_delete_padding_statements (&s->wild_statement.children);
	  break;

	/* Here's what we are really looking for.  Splice these out of
	   the list.  */
	case lang_padding_statement_enum:
	  *ps = s->next;
	  if (*ps == NULL)
	    list->tail = ps;
	  break;

	/* We don't care about these cases.  */
	case lang_data_statement_enum:
	case lang_object_symbols_statement_enum:
	case lang_output_statement_enum:
	case lang_target_statement_enum:
	case lang_input_section_enum:
	case lang_input_statement_enum:
	case lang_assignment_statement_enum:
	case lang_address_statement_enum:
	  break;

	default:
	  abort ();
	  break;
	}
    }
}


struct hook_stub_info
{
  lang_statement_list_type add;
  asection *input_section;
};

/* Traverse the linker tree to find the spot where the stub goes.  */

static boolean hook_in_stub
  PARAMS ((struct hook_stub_info *, lang_statement_union_type **));

static boolean
hook_in_stub (info, lp)
     struct hook_stub_info *info;
     lang_statement_union_type **lp;
{
  lang_statement_union_type *l;
  boolean ret;

  for (; (l = *lp) != NULL; lp = &l->next)
    {
      switch (l->header.type)
	{
	case lang_constructors_statement_enum:
	  ret = hook_in_stub (info, &constructor_list.head);
	  if (ret)
	    return ret;
	  break;

	case lang_output_section_statement_enum:
	  ret = hook_in_stub (info,
			      &l->output_section_statement.children.head);
	  if (ret)
	    return ret;
	  break;

	case lang_wild_statement_enum:
	  ret = hook_in_stub (info, &l->wild_statement.children.head);
	  if (ret)
	    return ret;
	  break;

	case lang_group_statement_enum:
	  ret = hook_in_stub (info, &l->group_statement.children.head);
	  if (ret)
	    return ret;
	  break;

	case lang_input_section_enum:
	  if (l->input_section.section == info->input_section)
	    {
	      /* We've found our section.  Insert the stub immediately
		 before its associated input section.  */
	      *lp = info->add.head;
	      *(info->add.tail) = l;
	      return true;
	    }
	  break;

	case lang_data_statement_enum:
	case lang_reloc_statement_enum:
	case lang_object_symbols_statement_enum:
	case lang_output_statement_enum:
	case lang_target_statement_enum:
	case lang_input_statement_enum:
	case lang_assignment_statement_enum:
	case lang_padding_statement_enum:
	case lang_address_statement_enum:
	case lang_fill_statement_enum:
	  break;

	default:
	  FAIL ();
	  break;
	}
    }
  return false;
}


/* Call-back for elf32_hppa_size_stubs.  */

/* Create a new stub section, and arrange for it to be linked
   immediately before INPUT_SECTION.  */

static asection *
hppaelf_add_stub_section (stub_sec_name, input_section)
     const char *stub_sec_name;
     asection *input_section;
{
  asection *stub_sec;
  flagword flags;
  asection *output_section;
  const char *secname;
  lang_output_section_statement_type *os;
  struct hook_stub_info info;

  stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_sec_name);
  if (stub_sec == NULL)
    goto err_ret;

  flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
	   | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
  if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags))
    goto err_ret;

  output_section = input_section->output_section;
  secname = bfd_get_section_name (output_section->owner, output_section);
  os = lang_output_section_find (secname);

  info.input_section = input_section;
  lang_list_init (&info.add);
  wild_doit (&info.add, stub_sec, os, stub_file);

  if (info.add.head == NULL)
    goto err_ret;

  if (hook_in_stub (&info, &os->children.head))
    return stub_sec;

 err_ret:
  einfo ("%X%P: can not make stub section: %E\n");
  return NULL;
}


/* Another call-back for elf32_hppa_size_stubs.  */

static void
hppaelf_layaout_sections_again ()
{
  /* If we have changed sizes of the stub sections, then we need
     to recalculate all the section offsets.  This may mean we need to
     add even more stubs.  */

  /* Delete all the padding statements, they're no longer valid.  */
  hppaelf_delete_padding_statements (stat_ptr);

  /* Resize the sections.  */
  lang_size_sections (stat_ptr->head, abs_output_section,
		      &stat_ptr->head, 0, (bfd_vma) 0, false);

  /* Redo special stuff.  */
  ldemul_after_allocation ();

  /* Do the assignments again.  */
  lang_do_assignments (stat_ptr->head, abs_output_section,
		       (fill_type) 0, (bfd_vma) 0);
}


/* Final emulation specific call.  For the PA we use this opportunity
   to build linker stubs.  */

static void
hppaelf_finish ()
{
  /* If generating a relocateable output file, then we don't
     have to examine the relocs.  */
  if (link_info.relocateable)
    return;

  /* Call into the BFD backend to do the real work.  */
  if (! elf32_hppa_size_stubs (output_bfd,
			       stub_file->the_bfd,
			       &link_info,
			       multi_subspace,
			       group_size,
			       &hppaelf_add_stub_section,
			       &hppaelf_layaout_sections_again))
    {
      einfo ("%X%P: can not size stub section: %E\n");
      return;
    }

  /* Set the global data pointer.  */
  if (! elf32_hppa_set_gp (output_bfd, &link_info))
    {
      einfo ("%X%P: can not set gp\n");
      return;
    }

  /* Now build the linker stubs.  */
  if (stub_file->the_bfd->sections != NULL)
    {
      if (! elf32_hppa_build_stubs (&link_info))
	einfo ("%X%P: can not build stubs: %E\n");
    }
}


/* Avoid processing the fake stub_file in vercheck, stat_needed and
   check_needed routines.  */

static void hppa_for_each_input_file_wrapper
  PARAMS ((lang_input_statement_type *));
static void hppa_lang_for_each_input_file
  PARAMS ((void (*) (lang_input_statement_type *)));

static void (*real_func) PARAMS ((lang_input_statement_type *));

static void hppa_for_each_input_file_wrapper (l)
     lang_input_statement_type *l;
{
  if (l != stub_file)
    (*real_func) (l);
}

static void
hppa_lang_for_each_input_file (func)
     void (*func) PARAMS ((lang_input_statement_type *));
{
  real_func = func;
  lang_for_each_input_file (&hppa_for_each_input_file_wrapper);
}

#define lang_for_each_input_file hppa_lang_for_each_input_file

EOF

# Define some shell vars to insert bits of code into the standard elf
# parse_args and list_options functions.
#
PARSE_AND_LIST_PROLOGUE='
#define OPTION_MULTI_SUBSPACE		301
#define OPTION_STUBGROUP_SIZE		(OPTION_MULTI_SUBSPACE + 1)
'

# The options are repeated below so that no abbreviations are allowed.
# Otherwise -s matches stub-group-size
PARSE_AND_LIST_LONGOPTS='
  { "multi-subspace", no_argument, NULL, OPTION_MULTI_SUBSPACE },
  { "multi-subspace", no_argument, NULL, OPTION_MULTI_SUBSPACE },
  { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
  { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
'

PARSE_AND_LIST_OPTIONS='
  fprintf (file, _("\
  --multi-subspace    Generate import and export stubs to support\n\
                        multiple sub-space shared libraries\n"
		   ));
  fprintf (file, _("\
  --stub-group-size=N Maximum size of a group of input sections that can be\n\
                        handled by one stub section.  A negative value\n\
                        locates all stubs before their branches (with a\n\
                        group size of -N), while a positive value allows\n\
                        two groups of input sections, one before, and one\n\
                        after each stub section.  Values of +/-1 indicate\n\
                        the linker should choose suitable defaults."
		   ));
'

PARSE_AND_LIST_ARGS_CASES='
    case OPTION_MULTI_SUBSPACE:
      multi_subspace = 1;
      break;

    case OPTION_STUBGROUP_SIZE:
      {
	const char *end;
        group_size = bfd_scan_vma (optarg, &end, 0);
        if (*end)
	  einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
      }
      break;
'

# Put these extra hppaelf routines in ld_${EMULATION_NAME}_emulation
#
LDEMUL_FINISH=hppaelf_finish
LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=hppaelf_create_output_section_statements
Commit	Line	Data
252b5132	1	# This shell script emits a C file. -- C --
41392f03 AM	2	# Copyright (C) 1991, 93, 94, 95, 97, 99, 2000
	3	# Free Software Foundation, Inc.
	4	#
	5	# This file is part of GLD, the Gnu Linker.
	6	#
	7	# This program is free software; you can redistribute it and/or modify
	8	# it under the terms of the GNU General Public License as published by
	9	# the Free Software Foundation; either version 2 of the License, or
	10	# (at your option) any later version.
	11	#
	12	# This program is distributed in the hope that it will be useful,
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	# GNU General Public License for more details.
	16	#
	17	# You should have received a copy of the GNU General Public License
	18	# along with this program; if not, write to the Free Software
	19	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	20	#
	21
	22	# This file is sourced from elf32.em, and defines extra hppa-elf
	23	# specific routines.
	24	#
	25	cat >>e${EMULATION_NAME}.c <<EOF
	26
252b5132	27	#include "ldctor.h"
4900fc06	28	#include "elf32-hppa.h"
252b5132	29
4900fc06 AM	30	static void hppaelf_create_output_section_statements PARAMS ((void));
4900fc06 AM	31	static void hppaelf_delete_padding_statements
41392f03 AM	32	PARAMS ((lang_statement_list_type *));
	33	static asection *hppaelf_add_stub_section
	34	PARAMS ((const char , asection ));
	35	static void hppaelf_layaout_sections_again PARAMS ((void));
4900fc06	36	static void hppaelf_finish PARAMS ((void));
252b5132 RH	37
252b5132 RH	38
4900fc06 AM	39	/* Fake input file for stubs. */
4900fc06 AM	40	static lang_input_statement_type *stub_file;
252b5132	41
3231d22e AM	42	/* Type of import/export stubs to build. For a single sub-space model,
	43	we can build smaller import stubs and there is no need for export
	44	stubs. */
	45	static int multi_subspace = 0;
252b5132	46
47d89dba AM	47	/* Maximum size of a group of input sections that can be handled by
	48	one stub section. A value of +/-1 indicates the bfd back-end
	49	should use a suitable default size. */
	50	static bfd_signed_vma group_size = 1;
252b5132 RH	51
252b5132 RH	52	/* This is called before the input files are opened. We create a new
4900fc06	53	fake input file to hold the stub sections. */
252b5132 RH	54
	55	static void
	56	hppaelf_create_output_section_statements ()
	57	{
	58	stub_file = lang_add_input_file ("linker stubs",
	59	lang_input_file_is_fake_enum,
	60	NULL);
	61	stub_file->the_bfd = bfd_create ("linker stubs", output_bfd);
	62	if (stub_file->the_bfd == NULL
	63	\|\| ! bfd_set_arch_mach (stub_file->the_bfd,
	64	bfd_get_arch (output_bfd),
	65	bfd_get_mach (output_bfd)))
	66	{
	67	einfo ("%X%P: can not create BFD %E\n");
	68	return;
	69	}
	70
252b5132 RH	71	ldlang_add_file (stub_file);
	72	}
	73
4900fc06	74	/* Walk all the lang statements splicing out any padding statements from
252b5132 RH	75	the list. */
	76
	77	static void
4900fc06 AM	78	hppaelf_delete_padding_statements (list)
4900fc06 AM	79	lang_statement_list_type *list;
252b5132	80	{
4900fc06 AM	81	lang_statement_union_type *s;
	82	lang_statement_union_type **ps;
	83	for (ps = &list->head; (s = *ps) != NULL; ps = &s->next)
252b5132 RH	84	{
	85	switch (s->header.type)
	86	{
	87
4900fc06	88	/* We want to recursively walk these sections. */
252b5132	89	case lang_constructors_statement_enum:
4900fc06	90	hppaelf_delete_padding_statements (&constructor_list);
252b5132 RH	91	break;
	92
	93	case lang_output_section_statement_enum:
4900fc06 AM	94	hppaelf_delete_padding_statements (&s->output_section_statement.children);
	95	break;
	96
	97	case lang_group_statement_enum:
	98	hppaelf_delete_padding_statements (&s->group_statement.children);
252b5132 RH	99	break;
252b5132 RH	100
252b5132	101	case lang_wild_statement_enum:
4900fc06	102	hppaelf_delete_padding_statements (&s->wild_statement.children);
252b5132 RH	103	break;
	104
	105	/* Here's what we are really looking for. Splice these out of
	106	the list. */
	107	case lang_padding_statement_enum:
4900fc06 AM	108	*ps = s->next;
	109	if (*ps == NULL)
	110	list->tail = ps;
252b5132 RH	111	break;
	112
	113	/* We don't care about these cases. */
	114	case lang_data_statement_enum:
	115	case lang_object_symbols_statement_enum:
	116	case lang_output_statement_enum:
	117	case lang_target_statement_enum:
	118	case lang_input_section_enum:
	119	case lang_input_statement_enum:
	120	case lang_assignment_statement_enum:
	121	case lang_address_statement_enum:
	122	break;
	123
	124	default:
	125	abort ();
	126	break;
	127	}
252b5132 RH	128	}
	129	}
	130
4900fc06 AM	131
	132	struct hook_stub_info
	133	{
	134	lang_statement_list_type add;
	135	asection *input_section;
	136	};
	137
	138	/* Traverse the linker tree to find the spot where the stub goes. */
	139
41392f03 AM	140	static boolean hook_in_stub
	141	PARAMS ((struct hook_stub_info , lang_statement_union_type *));
	142
4900fc06 AM	143	static boolean
	144	hook_in_stub (info, lp)
	145	struct hook_stub_info *info;
	146	lang_statement_union_type **lp;
	147	{
	148	lang_statement_union_type *l;
	149	boolean ret;
	150
	151	for (; (l = *lp) != NULL; lp = &l->next)
	152	{
	153	switch (l->header.type)
	154	{
	155	case lang_constructors_statement_enum:
	156	ret = hook_in_stub (info, &constructor_list.head);
	157	if (ret)
	158	return ret;
	159	break;
	160
	161	case lang_output_section_statement_enum:
	162	ret = hook_in_stub (info,
	163	&l->output_section_statement.children.head);
	164	if (ret)
	165	return ret;
	166	break;
	167
	168	case lang_wild_statement_enum:
	169	ret = hook_in_stub (info, &l->wild_statement.children.head);
	170	if (ret)
	171	return ret;
	172	break;
	173
	174	case lang_group_statement_enum:
	175	ret = hook_in_stub (info, &l->group_statement.children.head);
	176	if (ret)
	177	return ret;
	178	break;
	179
	180	case lang_input_section_enum:
	181	if (l->input_section.section == info->input_section)
	182	{
	183	/* We've found our section. Insert the stub immediately
	184	before its associated input section. */
	185	*lp = info->add.head;
	186	*(info->add.tail) = l;
	187	return true;
	188	}
	189	break;
	190
	191	case lang_data_statement_enum:
	192	case lang_reloc_statement_enum:
	193	case lang_object_symbols_statement_enum:
	194	case lang_output_statement_enum:
	195	case lang_target_statement_enum:
	196	case lang_input_statement_enum:
	197	case lang_assignment_statement_enum:
	198	case lang_padding_statement_enum:
	199	case lang_address_statement_enum:
	200	case lang_fill_statement_enum:
	201	break;
	202
	203	default:
	204	FAIL ();
	205	break;
	206	}
207	}
208	return false;
209	}
210
41392f03	211
4900fc06 AM	212	/* Call-back for elf32_hppa_size_stubs. */
	213
	214	/* Create a new stub section, and arrange for it to be linked
	215	immediately before INPUT_SECTION. */
	216
	217	static asection *
25f72752 AM	218	hppaelf_add_stub_section (stub_sec_name, input_section)
25f72752 AM	219	const char *stub_sec_name;
4900fc06 AM	220	asection *input_section;
	221	{
	222	asection *stub_sec;
	223	flagword flags;
	224	asection *output_section;
	225	const char *secname;
	226	lang_output_section_statement_type *os;
	227	struct hook_stub_info info;
	228
25f72752	229	stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_sec_name);
4900fc06 AM	230	if (stub_sec == NULL)
	231	goto err_ret;
	232
	233	flags = (SEC_ALLOC \| SEC_LOAD \| SEC_READONLY \| SEC_CODE
3231d22e	234	\| SEC_HAS_CONTENTS \| SEC_RELOC \| SEC_IN_MEMORY \| SEC_KEEP);
4900fc06 AM	235	if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags))
	236	goto err_ret;
	237
	238	output_section = input_section->output_section;
	239	secname = bfd_get_section_name (output_section->owner, output_section);
	240	os = lang_output_section_find (secname);
	241
	242	info.input_section = input_section;
	243	lang_list_init (&info.add);
	244	wild_doit (&info.add, stub_sec, os, stub_file);
	245
	246	if (info.add.head == NULL)
	247	goto err_ret;
	248
	249	if (hook_in_stub (&info, &os->children.head))
	250	return stub_sec;
	251
	252	err_ret:
	253	einfo ("%X%P: can not make stub section: %E\n");
	254	return NULL;
	255	}
	256
41392f03	257
4900fc06 AM	258	/* Another call-back for elf32_hppa_size_stubs. */
	259
	260	static void
	261	hppaelf_layaout_sections_again ()
	262	{
	263	/* If we have changed sizes of the stub sections, then we need
	264	to recalculate all the section offsets. This may mean we need to
	265	add even more stubs. */
	266
	267	/* Delete all the padding statements, they're no longer valid. */
	268	hppaelf_delete_padding_statements (stat_ptr);
	269
	270	/* Resize the sections. */
	271	lang_size_sections (stat_ptr->head, abs_output_section,
	272	&stat_ptr->head, 0, (bfd_vma) 0, false);
	273
	274	/* Redo special stuff. */
	275	ldemul_after_allocation ();
	276
	277	/* Do the assignments again. */
	278	lang_do_assignments (stat_ptr->head, abs_output_section,
	279	(fill_type) 0, (bfd_vma) 0);
	280	}
	281
	282
252b5132 RH	283	/* Final emulation specific call. For the PA we use this opportunity
	284	to build linker stubs. */
	285
	286	static void
	287	hppaelf_finish ()
	288	{
4900fc06 AM	289	/* If generating a relocateable output file, then we don't
	290	have to examine the relocs. */
	291	if (link_info.relocateable)
	292	return;
	293
252b5132	294	/* Call into the BFD backend to do the real work. */
25f72752 AM	295	if (! elf32_hppa_size_stubs (output_bfd,
25f72752 AM	296	stub_file->the_bfd,
41392f03	297	&link_info,
25f72752	298	multi_subspace,
47d89dba	299	group_size,
41392f03 AM	300	&hppaelf_add_stub_section,
41392f03 AM	301	&hppaelf_layaout_sections_again))
252b5132 RH	302	{
	303	einfo ("%X%P: can not size stub section: %E\n");
	304	return;
	305	}
4900fc06	306
3231d22e AM	307	/* Set the global data pointer. */
	308	if (! elf32_hppa_set_gp (output_bfd, &link_info))
	309	{
	310	einfo ("%X%P: can not set gp\n");
	311	return;
	312	}
	313
4900fc06 AM	314	/* Now build the linker stubs. */
4900fc06 AM	315	if (stub_file->the_bfd->sections != NULL)
252b5132	316	{
3231d22e	317	if (! elf32_hppa_build_stubs (&link_info))
4900fc06 AM	318	einfo ("%X%P: can not build stubs: %E\n");
	319	}
	320	}
	321
3231d22e AM	322
	323	/* Avoid processing the fake stub_file in vercheck, stat_needed and
	324	check_needed routines. */
	325
	326	static void hppa_for_each_input_file_wrapper
	327	PARAMS ((lang_input_statement_type *));
	328	static void hppa_lang_for_each_input_file
	329	PARAMS ((void () (lang_input_statement_type )));
	330
	331	static void (real_func) PARAMS ((lang_input_statement_type ));
	332
	333	static void hppa_for_each_input_file_wrapper (l)
	334	lang_input_statement_type *l;
	335	{
	336	if (l != stub_file)
	337	(*real_func) (l);
	338	}
	339
	340	static void
	341	hppa_lang_for_each_input_file (func)
	342	void (func) PARAMS ((lang_input_statement_type ));
	343	{
	344	real_func = func;
	345	lang_for_each_input_file (&hppa_for_each_input_file_wrapper);
	346	}
	347
	348	#define lang_for_each_input_file hppa_lang_for_each_input_file
	349
252b5132 RH	350	EOF
252b5132 RH	351
3231d22e AM	352	# Define some shell vars to insert bits of code into the standard elf
	353	# parse_args and list_options functions.
	354	#
	355	PARSE_AND_LIST_PROLOGUE='
	356	#define OPTION_MULTI_SUBSPACE 301
47d89dba	357	#define OPTION_STUBGROUP_SIZE (OPTION_MULTI_SUBSPACE + 1)
3231d22e AM	358	'
3231d22e AM	359
47d89dba AM	360	# The options are repeated below so that no abbreviations are allowed.
47d89dba AM	361	# Otherwise -s matches stub-group-size
3231d22e	362	PARSE_AND_LIST_LONGOPTS='
47d89dba AM	363	{ "multi-subspace", no_argument, NULL, OPTION_MULTI_SUBSPACE },
	364	{ "multi-subspace", no_argument, NULL, OPTION_MULTI_SUBSPACE },
	365	{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
	366	{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
3231d22e AM	367	'
	368
	369	PARSE_AND_LIST_OPTIONS='
	370	fprintf (file, _("\
47d89dba AM	371	--multi-subspace Generate import and export stubs to support\n\
	372	multiple sub-space shared libraries\n"
	373	));
	374	fprintf (file, _("\
	375	--stub-group-size=N Maximum size of a group of input sections that can be\n\
	376	handled by one stub section. A negative value\n\
	377	locates all stubs before their branches (with a\n\
	378	group size of -N), while a positive value allows\n\
	379	two groups of input sections, one before, and one\n\
	380	after each stub section. Values of +/-1 indicate\n\
	381	the linker should choose suitable defaults."
3231d22e AM	382	));
	383	'
	384
	385	PARSE_AND_LIST_ARGS_CASES='
	386	case OPTION_MULTI_SUBSPACE:
	387	multi_subspace = 1;
	388	break;
47d89dba AM	389
	390	case OPTION_STUBGROUP_SIZE:
	391	{
	392	const char *end;
	393	group_size = bfd_scan_vma (optarg, &end, 0);
	394	if (*end)
	395	einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
	396	}
	397	break;
3231d22e AM	398	'
	399
	400	# Put these extra hppaelf routines in ld_${EMULATION_NAME}_emulation
41392f03	401	#
41392f03 AM	402	LDEMUL_FINISH=hppaelf_finish
41392f03 AM	403	LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=hppaelf_create_output_section_statements