[deliverable/binutils-gdb.git] / ld / emultempl / m68hc1xelf.em

# This shell script emits a C file. -*- C -*-
#   Copyright (C) 1991-2018 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# 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.
#

# This file is sourced from elf32.em, and defines extra m68hc12-elf
# and m68hc11-elf specific routines.  It is used to generate the
# HC11/HC12 trampolines to call a far function by using a normal 'jsr/bsr'.
#
# - The HC11/HC12 relocations are checked to see if there is a
#   R_M68HC11_16 relocation to a symbol marked with STO_M68HC12_FAR.
#   This relocation cannot be made on the symbol but must be made on
#   its trampoline
#   The trampolines to generate are collected during this pass
#   (See elf32_m68hc11_size_stubs)
#
# - The trampolines are generated in a ".tramp" section.  The generation
#   takes care of HC11 and HC12 specificities.
#   (See elf32_m68hc11_build_stubs)
#
# - During relocation the R_M68HC11_16 relocation to the far symbols
#   are redirected to the trampoline that was generated.
#
# Copied from hppaelf and adapted for M68HC11/M68HC12 specific needs.
#
fragment <<EOF

#include "ldctor.h"
#include "elf32-m68hc1x.h"

static asection *m68hc11elf_add_stub_section (const char *, asection *);

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

/* By default the HC11/HC12 trampolines to call a far function using
   a normal 'bsr' and 'jsr' convention are generated during the link.
   The --no-trampoline option prevents that.  */
static int no_trampoline = 0;

/* Name of memory bank window in the MEMORY description.
   This is set by --bank-window option.  */
static const char* bank_window_name = 0;

static void
m68hc11_elf_${EMULATION_NAME}_before_allocation (void)
{
  lang_memory_region_type* region;
  int ret;

  gld${EMULATION_NAME}_before_allocation ();

  if (bfd_get_flavour (link_info.output_bfd) != bfd_target_elf_flavour)
    return;

  /* If generating a relocatable output file, then we don't
     have to generate the trampolines.  */
  if (bfd_link_relocatable (&link_info))
    return;

  ret = elf32_m68hc11_setup_section_lists (link_info.output_bfd, &link_info);
  if (ret != 0 && no_trampoline == 0)
    {
      if (ret < 0)
	{
	  einfo (_("%X%P: can not size stub section: %E\n"));
	  return;
	}

      /* Call into the BFD backend to do the real work.  */
      if (!elf32_m68hc11_size_stubs (link_info.output_bfd,
				     stub_file->the_bfd,
				     &link_info,
				     &m68hc11elf_add_stub_section))
	{
	  einfo (_("%X%P: can not size stub section: %E\n"));
	  return;
	}
    }

  if (bank_window_name == 0)
    return;

  /* The 'bank_window_name' memory region is a special region that describes
     the memory bank window to access to paged memory.  For 68HC12
     this is fixed and should be:

     window (rx) : ORIGIN = 0x8000, LENGTH = 16K

     But for 68HC11 this is board specific.  The definition of such
     memory region allows to control how this paged memory is accessed.  */
  region = lang_memory_region_lookup (bank_window_name, FALSE);

  /* Check the length to see if it was defined in the script.  */
  if (region->length != 0)
    {
      struct m68hc11_page_info *pinfo;
      unsigned i;

      /* Get default values  */
      m68hc11_elf_get_bank_parameters (&link_info);
      pinfo = &m68hc11_elf_hash_table (&link_info)->pinfo;

      /* And override them with the region definition.  */
      pinfo->bank_size = region->length;
      pinfo->bank_shift = 0;
      for (i = pinfo->bank_size; i != 0; i >>= 1)
	pinfo->bank_shift++;
      pinfo->bank_shift--;
      pinfo->bank_size = 1L << pinfo->bank_shift;
      pinfo->bank_mask = (1 << pinfo->bank_shift) - 1;
      pinfo->bank_physical = region->origin;
      pinfo->bank_physical_end = region->origin + pinfo->bank_size;

      if (pinfo->bank_size != region->length)
	{
	  einfo (_("warning: the size of the 'window' memory region "
		   "is not a power of 2\n"));
	  einfo (_("warning: its size %d is truncated to %d\n"),
		 region->length, pinfo->bank_size);
	}
    }
}

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

static void
m68hc11elf_create_output_section_statements (void)
{
  if (bfd_get_flavour (link_info.output_bfd) != bfd_target_elf_flavour)
    {
      einfo (_("%X%P: changing output format whilst linking "
	       "is not supported\n"));
      return;
    }

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

  ldlang_add_file (stub_file);
}


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

  for (; (l = *lp) != NULL; lp = &l->header.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
	      || strcmp (bfd_get_section_name (l->input_section.section->owner,
					       l->input_section.section),
			 bfd_get_section_name (info->input_section->owner,
					       info->input_section)) == 0)
	    {
	      /* 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_m68hc11_size_stubs.  */

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

static asection *
m68hc11elf_add_stub_section (const char *stub_sec_name,
			     asection *tramp_section)
{
  asection *stub_sec;
  flagword flags;
  asection *output_section;
  lang_output_section_statement_type *os;
  struct hook_stub_info info;

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

  output_section = tramp_section->output_section;
  os = lang_output_section_get (output_section);

  /* Try to put the new section at the same place as an existing
     .tramp section.  Such .tramp section exists in most cases and
     contains the trampoline code.  This way we put the generated trampoline
     at the correct place.  */
  info.input_section = tramp_section;
  lang_list_init (&info.add);
  lang_add_section (&info.add, stub_sec, NULL, os);

  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;
}

/* For the 68HC12 we use this opportunity to build linker stubs.  */

static void
m68hc11elf_after_allocation (void)
{
  if (bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour)
    {
      /* Now build the linker stubs.  */
      if (stub_file->the_bfd->sections != NULL)
	{
	  /* Call again the trampoline analyzer to initialize the trampoline
	     stubs with the correct symbol addresses.  Since there could have
	     been relaxation, the symbol addresses that were found during
	     first call may no longer be correct.  */
	  if (!elf32_m68hc11_size_stubs (link_info.output_bfd,
					 stub_file->the_bfd,
					 &link_info, 0))
	    {
	      einfo (_("%X%P: can not size stub section: %E\n"));
	      return;
	    }
	  if (!elf32_m68hc11_build_stubs (link_info.output_bfd, &link_info))
	    einfo (_("%X%P: can not build stubs: %E\n"));
	}
    }

  gld${EMULATION_NAME}_after_allocation ();
}


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

static void (*real_func) (lang_input_statement_type *);

static void m68hc11_for_each_input_file_wrapper (lang_input_statement_type *l)
{
  if (l != stub_file)
    (*real_func) (l);
}

static void
m68hc11_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
{
  real_func = func;
  lang_for_each_input_file (&m68hc11_for_each_input_file_wrapper);
}

#define lang_for_each_input_file m68hc11_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_NO_TRAMPOLINE		300
#define OPTION_BANK_WINDOW		301
'

# The options are repeated below so that no abbreviations are allowed.
# Otherwise -s matches stub-group-size
PARSE_AND_LIST_LONGOPTS='
  { "no-trampoline", no_argument, NULL, OPTION_NO_TRAMPOLINE },
  { "bank-window",   required_argument, NULL, OPTION_BANK_WINDOW },
'

PARSE_AND_LIST_OPTIONS='
  fprintf (file, _(
"  --no-trampoline             Do not generate the far trampolines used to call\n"
"                                a far function using 'jsr' or 'bsr'.\n"
"  --bank-window NAME          Specify the name of the memory region describing\n"
"                                the layout of the memory bank window.\n"
		   ));
'

PARSE_AND_LIST_ARGS_CASES='
    case OPTION_NO_TRAMPOLINE:
      no_trampoline = 1;
      break;
    case OPTION_BANK_WINDOW:
      bank_window_name = optarg;
      break;
'

# Put these extra m68hc11elf routines in ld_${EMULATION_NAME}_emulation
#
LDEMUL_BEFORE_ALLOCATION=m68hc11_elf_${EMULATION_NAME}_before_allocation
LDEMUL_AFTER_ALLOCATION=m68hc11elf_after_allocation
LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=m68hc11elf_create_output_section_statements
Commit	Line	Data
67bb9940	1	# This shell script emits a C file. -- C --
219d1afa	2	# Copyright (C) 1991-2018 Free Software Foundation, Inc.
67bb9940	3	#
f96b4a7b	4	# This file is part of the GNU Binutils.
67bb9940 SC	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
f96b4a7b	8	# the Free Software Foundation; either version 3 of the License, or
67bb9940 SC	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
f96b4a7b NC	18	# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
f96b4a7b NC	19	# MA 02110-1301, USA.
67bb9940 SC	20	#
	21
	22	# This file is sourced from elf32.em, and defines extra m68hc12-elf
	23	# and m68hc11-elf specific routines. It is used to generate the
	24	# HC11/HC12 trampolines to call a far function by using a normal 'jsr/bsr'.
	25	#
	26	# - The HC11/HC12 relocations are checked to see if there is a
	27	# R_M68HC11_16 relocation to a symbol marked with STO_M68HC12_FAR.
	28	# This relocation cannot be made on the symbol but must be made on
	29	# its trampoline
	30	# The trampolines to generate are collected during this pass
	31	# (See elf32_m68hc11_size_stubs)
	32	#
	33	# - The trampolines are generated in a ".tramp" section. The generation
	34	# takes care of HC11 and HC12 specificities.
	35	# (See elf32_m68hc11_build_stubs)
	36	#
	37	# - During relocation the R_M68HC11_16 relocation to the far symbols
	38	# are redirected to the trampoline that was generated.
	39	#
	40	# Copied from hppaelf and adapted for M68HC11/M68HC12 specific needs.
	41	#
92b93329	42	fragment <<EOF
67bb9940 SC	43
	44	#include "ldctor.h"
	45	#include "elf32-m68hc1x.h"
	46
0c7a8e5a	47	static asection m68hc11elf_add_stub_section (const char , asection *);
67bb9940 SC	48
	49	/* Fake input file for stubs. */
	50	static lang_input_statement_type *stub_file;
	51
	52	/* By default the HC11/HC12 trampolines to call a far function using
	53	a normal 'bsr' and 'jsr' convention are generated during the link.
	54	The --no-trampoline option prevents that. */
	55	static int no_trampoline = 0;
	56
	57	/* Name of memory bank window in the MEMORY description.
	58	This is set by --bank-window option. */
	59	static const char* bank_window_name = 0;
	60
	61	static void
0c7a8e5a	62	m68hc11_elf_${EMULATION_NAME}_before_allocation (void)
67bb9940 SC	63	{
	64	lang_memory_region_type* region;
	65	int ret;
	66
	67	gld${EMULATION_NAME}_before_allocation ();
	68
fd9770d8 NC	69	if (bfd_get_flavour (link_info.output_bfd) != bfd_target_elf_flavour)
	70	return;
	71
67bb9940 SC	72	/* If generating a relocatable output file, then we don't
67bb9940 SC	73	have to generate the trampolines. */
0e1862bb	74	if (bfd_link_relocatable (&link_info))
67bb9940 SC	75	return;
67bb9940 SC	76
f13a99db	77	ret = elf32_m68hc11_setup_section_lists (link_info.output_bfd, &link_info);
67bb9940 SC	78	if (ret != 0 && no_trampoline == 0)
	79	{
	80	if (ret < 0)
	81	{
d003af55	82	einfo (_("%X%P: can not size stub section: %E\n"));
67bb9940 SC	83	return;
	84	}
	85
	86	/* Call into the BFD backend to do the real work. */
f13a99db	87	if (!elf32_m68hc11_size_stubs (link_info.output_bfd,
0c7a8e5a AM	88	stub_file->the_bfd,
	89	&link_info,
	90	&m68hc11elf_add_stub_section))
67bb9940	91	{
d003af55	92	einfo (_("%X%P: can not size stub section: %E\n"));
67bb9940 SC	93	return;
	94	}
	95	}
	96
	97	if (bank_window_name == 0)
	98	return;
	99
	100	/* The 'bank_window_name' memory region is a special region that describes
	101	the memory bank window to access to paged memory. For 68HC12
	102	this is fixed and should be:
	103
	104	window (rx) : ORIGIN = 0x8000, LENGTH = 16K
	105
	106	But for 68HC11 this is board specific. The definition of such
	107	memory region allows to control how this paged memory is accessed. */
383b8428	108	region = lang_memory_region_lookup (bank_window_name, FALSE);
67bb9940 SC	109
	110	/* Check the length to see if it was defined in the script. */
	111	if (region->length != 0)
	112	{
	113	struct m68hc11_page_info *pinfo;
	114	unsigned i;
	115
	116	/* Get default values */
	117	m68hc11_elf_get_bank_parameters (&link_info);
	118	pinfo = &m68hc11_elf_hash_table (&link_info)->pinfo;
	119
	120	/* And override them with the region definition. */
	121	pinfo->bank_size = region->length;
	122	pinfo->bank_shift = 0;
	123	for (i = pinfo->bank_size; i != 0; i >>= 1)
0c7a8e5a	124	pinfo->bank_shift++;
67bb9940 SC	125	pinfo->bank_shift--;
	126	pinfo->bank_size = 1L << pinfo->bank_shift;
	127	pinfo->bank_mask = (1 << pinfo->bank_shift) - 1;
	128	pinfo->bank_physical = region->origin;
	129	pinfo->bank_physical_end = region->origin + pinfo->bank_size;
	130
	131	if (pinfo->bank_size != region->length)
0c7a8e5a AM	132	{
	133	einfo (_("warning: the size of the 'window' memory region "
	134	"is not a power of 2\n"));
	135	einfo (_("warning: its size %d is truncated to %d\n"),
	136	region->length, pinfo->bank_size);
	137	}
67bb9940 SC	138	}
	139	}
	140
	141	/* This is called before the input files are opened. We create a new
	142	fake input file to hold the stub sections. */
	143
	144	static void
0c7a8e5a	145	m68hc11elf_create_output_section_statements (void)
67bb9940	146	{
fd9770d8 NC	147	if (bfd_get_flavour (link_info.output_bfd) != bfd_target_elf_flavour)
fd9770d8 NC	148	{
d003af55 AM	149	einfo (_("%X%P: changing output format whilst linking "
d003af55 AM	150	"is not supported\n"));
fd9770d8 NC	151	return;
	152	}
	153
67bb9940 SC	154	stub_file = lang_add_input_file ("linker stubs",
	155	lang_input_file_is_fake_enum,
	156	NULL);
f13a99db	157	stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
67bb9940 SC	158	if (stub_file->the_bfd == NULL
67bb9940 SC	159	\|\| !bfd_set_arch_mach (stub_file->the_bfd,
f13a99db AM	160	bfd_get_arch (link_info.output_bfd),
f13a99db AM	161	bfd_get_mach (link_info.output_bfd)))
67bb9940	162	{
d003af55	163	einfo (_("%X%P: can not create BFD %E\n"));
67bb9940 SC	164	return;
	165	}
	166
	167	ldlang_add_file (stub_file);
	168	}
	169
	170
	171	struct hook_stub_info
	172	{
	173	lang_statement_list_type add;
	174	asection *input_section;
	175	};
	176
	177	/* Traverse the linker tree to find the spot where the stub goes. */
	178
67bb9940	179	static bfd_boolean
0c7a8e5a	180	hook_in_stub (struct hook_stub_info info, lang_statement_union_type *lp)
67bb9940 SC	181	{
	182	lang_statement_union_type *l;
	183	bfd_boolean ret;
	184
	185	for (; (l = *lp) != NULL; lp = &l->header.next)
	186	{
	187	switch (l->header.type)
	188	{
	189	case lang_constructors_statement_enum:
	190	ret = hook_in_stub (info, &constructor_list.head);
	191	if (ret)
	192	return ret;
	193	break;
	194
	195	case lang_output_section_statement_enum:
	196	ret = hook_in_stub (info,
	197	&l->output_section_statement.children.head);
	198	if (ret)
	199	return ret;
	200	break;
	201
	202	case lang_wild_statement_enum:
	203	ret = hook_in_stub (info, &l->wild_statement.children.head);
	204	if (ret)
	205	return ret;
	206	break;
	207
	208	case lang_group_statement_enum:
	209	ret = hook_in_stub (info, &l->group_statement.children.head);
	210	if (ret)
	211	return ret;
	212	break;
	213
	214	case lang_input_section_enum:
	215	if (l->input_section.section == info->input_section
a0f49396	216	\|\| strcmp (bfd_get_section_name (l->input_section.section->owner,
0c7a8e5a	217	l->input_section.section),
a0f49396	218	bfd_get_section_name (info->input_section->owner,
0c7a8e5a	219	info->input_section)) == 0)
67bb9940 SC	220	{
	221	/* We've found our section. Insert the stub immediately
	222	before its associated input section. */
	223	*lp = info->add.head;
	224	*(info->add.tail) = l;
	225	return TRUE;
	226	}
	227	break;
	228
	229	case lang_data_statement_enum:
	230	case lang_reloc_statement_enum:
	231	case lang_object_symbols_statement_enum:
	232	case lang_output_statement_enum:
	233	case lang_target_statement_enum:
	234	case lang_input_statement_enum:
	235	case lang_assignment_statement_enum:
	236	case lang_padding_statement_enum:
	237	case lang_address_statement_enum:
	238	case lang_fill_statement_enum:
	239	break;
	240
	241	default:
	242	FAIL ();
	243	break;
	244	}
	245	}
	246	return FALSE;
	247	}
	248
	249
	250	/* Call-back for elf32_m68hc11_size_stubs. */
	251
	252	/* Create a new stub section, and arrange for it to be linked
	253	immediately before INPUT_SECTION. */
	254
	255	static asection *
0c7a8e5a AM	256	m68hc11elf_add_stub_section (const char *stub_sec_name,
0c7a8e5a AM	257	asection *tramp_section)
67bb9940 SC	258	{
	259	asection *stub_sec;
	260	flagword flags;
	261	asection *output_section;
67bb9940 SC	262	lang_output_section_statement_type *os;
67bb9940 SC	263	struct hook_stub_info info;
0c7a8e5a	264
67bb9940 SC	265	flags = (SEC_ALLOC \| SEC_LOAD \| SEC_READONLY \| SEC_CODE
67bb9940 SC	266	\| SEC_HAS_CONTENTS \| SEC_RELOC \| SEC_IN_MEMORY \| SEC_KEEP);
9795b468 AM	267	stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
	268	stub_sec_name, flags);
	269	if (stub_sec == NULL)
67bb9940 SC	270	goto err_ret;
	271
	272	output_section = tramp_section->output_section;
24ef1aa7	273	os = lang_output_section_get (output_section);
67bb9940 SC	274
	275	/* Try to put the new section at the same place as an existing
	276	.tramp section. Such .tramp section exists in most cases and
	277	contains the trampoline code. This way we put the generated trampoline
	278	at the correct place. */
	279	info.input_section = tramp_section;
	280	lang_list_init (&info.add);
b9c361e0	281	lang_add_section (&info.add, stub_sec, NULL, os);
67bb9940 SC	282
	283	if (info.add.head == NULL)
	284	goto err_ret;
	285
	286	if (hook_in_stub (&info, &os->children.head))
	287	return stub_sec;
	288
	289	err_ret:
d003af55	290	einfo (_("%X%P: can not make stub section: %E\n"));
67bb9940 SC	291	return NULL;
	292	}
	293
eaeb0a9d	294	/* For the 68HC12 we use this opportunity to build linker stubs. */
67bb9940 SC	295
67bb9940 SC	296	static void
eaeb0a9d	297	m68hc11elf_after_allocation (void)
67bb9940	298	{
fd9770d8	299	if (bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour)
67bb9940	300	{
fd9770d8 NC	301	/* Now build the linker stubs. */
fd9770d8 NC	302	if (stub_file->the_bfd->sections != NULL)
67bb9940	303	{
fd9770d8 NC	304	/* Call again the trampoline analyzer to initialize the trampoline
	305	stubs with the correct symbol addresses. Since there could have
	306	been relaxation, the symbol addresses that were found during
	307	first call may no longer be correct. */
	308	if (!elf32_m68hc11_size_stubs (link_info.output_bfd,
	309	stub_file->the_bfd,
	310	&link_info, 0))
	311	{
d003af55	312	einfo (_("%X%P: can not size stub section: %E\n"));
fd9770d8 NC	313	return;
	314	}
	315	if (!elf32_m68hc11_build_stubs (link_info.output_bfd, &link_info))
d003af55	316	einfo (_("%X%P: can not build stubs: %E\n"));
67bb9940	317	}
67bb9940	318	}
b1ab9777	319
eaeb0a9d	320	gld${EMULATION_NAME}_after_allocation ();
67bb9940 SC	321	}
	322
	323
	324	/* Avoid processing the fake stub_file in vercheck, stat_needed and
	325	check_needed routines. */
	326
0c7a8e5a	327	static void (real_func) (lang_input_statement_type );
67bb9940	328
0c7a8e5a	329	static void m68hc11_for_each_input_file_wrapper (lang_input_statement_type *l)
67bb9940 SC	330	{
	331	if (l != stub_file)
	332	(*real_func) (l);
	333	}
	334
	335	static void
0c7a8e5a	336	m68hc11_lang_for_each_input_file (void (func) (lang_input_statement_type ))
67bb9940 SC	337	{
	338	real_func = func;
	339	lang_for_each_input_file (&m68hc11_for_each_input_file_wrapper);
	340	}
	341
	342	#define lang_for_each_input_file m68hc11_lang_for_each_input_file
	343
	344	EOF
	345
	346	# Define some shell vars to insert bits of code into the standard elf
	347	# parse_args and list_options functions.
	348	#
	349	PARSE_AND_LIST_PROLOGUE='
0c7a8e5a AM	350	#define OPTION_NO_TRAMPOLINE 300
0c7a8e5a AM	351	#define OPTION_BANK_WINDOW 301
67bb9940 SC	352	'
	353
	354	# The options are repeated below so that no abbreviations are allowed.
	355	# Otherwise -s matches stub-group-size
	356	PARSE_AND_LIST_LONGOPTS='
	357	{ "no-trampoline", no_argument, NULL, OPTION_NO_TRAMPOLINE },
	358	{ "bank-window", required_argument, NULL, OPTION_BANK_WINDOW },
	359	'
	360
	361	PARSE_AND_LIST_OPTIONS='
442996ee AM	362	fprintf (file, _(
	363	" --no-trampoline Do not generate the far trampolines used to call\n"
	364	" a far function using 'jsr' or 'bsr'.\n"
	365	" --bank-window NAME Specify the name of the memory region describing\n"
	366	" the layout of the memory bank window.\n"
67bb9940 SC	367	));
	368	'
	369
	370	PARSE_AND_LIST_ARGS_CASES='
	371	case OPTION_NO_TRAMPOLINE:
	372	no_trampoline = 1;
	373	break;
	374	case OPTION_BANK_WINDOW:
	375	bank_window_name = optarg;
	376	break;
	377	'
	378
	379	# Put these extra m68hc11elf routines in ld_${EMULATION_NAME}_emulation
	380	#
	381	LDEMUL_BEFORE_ALLOCATION=m68hc11_elf_${EMULATION_NAME}_before_allocation
eaeb0a9d	382	LDEMUL_AFTER_ALLOCATION=m68hc11elf_after_allocation
67bb9940	383	LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=m68hc11elf_create_output_section_statements