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

# This shell script emits a C file. -*- C -*-
#   Copyright 2004
#   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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
#

# This file is sourced from elf32.em, and defines extra crx-elf
# specific routines.
#
cat >>e${EMULATION_NAME}.c <<EOF

#include "ldctor.h"

/* Flag for the emulation-specific "--no-relax" option.  */
static bfd_boolean disable_relaxation = FALSE;

static void crxelf_after_parse (void);

static void
crxelf_after_parse (void)
{
  /* Always behave as if called with --sort-common command line
     option.
     This is to emulate the CRTools' method of keeping variables
     of different alignment in separate sections.  */
  config.sort_common = TRUE;

  /* Don't create a demand-paged executable, since this feature isn't
     meaninful in CRX embedded systems. Moreover, when magic_demand_paged
     is true the link sometimes fails.  */
  config.magic_demand_paged = FALSE;
}

/* This is called after the sections have been attached to output
   sections, but before any sizes or addresses have been set.  */

static void
crxelf_before_allocation (void)
{
  /* Call the default first.  */
  gld${EMULATION_NAME}_before_allocation ();

  /* Enable relaxation by default if the "--no-relax" option was not
     specified.  This is done here instead of in the before_parse hook
     because there is a check in main() to prohibit use of --relax and
     -r together.  */

  if (!disable_relaxation)
    command_line.relax = TRUE;
}

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_RELAX			301
'

PARSE_AND_LIST_LONGOPTS='
  { "no-relax", no_argument, NULL, OPTION_NO_RELAX},
'

PARSE_AND_LIST_OPTIONS='
  fprintf (file, _("  --no-relax                  Do not relax branches\n"));
'

PARSE_AND_LIST_ARGS_CASES='
    case OPTION_NO_RELAX:
      disable_relaxation = TRUE;
      break;
'

# Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation
#
LDEMUL_AFTER_PARSE=crxelf_after_parse
LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation
Commit	Line	Data
1fe1f39c NC	1	# This shell script emits a C file. -- C --
	2	# Copyright 2004
	3	# Free Software Foundation, Inc.
	4	#
	5	# This file is part of GLD, the Gnu Linker.
	6	#
	7	# This program is free software; you can redistribute it and/or modify
	8	# it under the terms of the GNU General Public License as published by
	9	# the Free Software Foundation; either version 2 of the License, or
	10	# (at your option) any later version.
	11	#
	12	# This program is distributed in the hope that it will be useful,
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	# GNU General Public License for more details.
	16	#
	17	# You should have received a copy of the GNU General Public License
	18	# along with this program; if not, write to the Free Software
75be928b	19	# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
1fe1f39c NC	20	#
	21
	22	# This file is sourced from elf32.em, and defines extra crx-elf
	23	# specific routines.
	24	#
	25	cat >>e${EMULATION_NAME}.c <<EOF
	26
	27	#include "ldctor.h"
	28
799fb2eb TL	29	/* Flag for the emulation-specific "--no-relax" option. */
	30	static bfd_boolean disable_relaxation = FALSE;
	31
1fe1f39c NC	32	static void crxelf_after_parse (void);
	33
	34	static void
	35	crxelf_after_parse (void)
	36	{
	37	/* Always behave as if called with --sort-common command line
	38	option.
	39	This is to emulate the CRTools' method of keeping variables
	40	of different alignment in separate sections. */
	41	config.sort_common = TRUE;
	42
	43	/* Don't create a demand-paged executable, since this feature isn't
799fb2eb	44	meaninful in CRX embedded systems. Moreover, when magic_demand_paged
1fe1f39c NC	45	is true the link sometimes fails. */
	46	config.magic_demand_paged = FALSE;
	47	}
	48
799fb2eb TL	49	/* This is called after the sections have been attached to output
	50	sections, but before any sizes or addresses have been set. */
	51
	52	static void
	53	crxelf_before_allocation (void)
	54	{
	55	/* Call the default first. */
	56	gld${EMULATION_NAME}_before_allocation ();
	57
	58	/* Enable relaxation by default if the "--no-relax" option was not
	59	specified. This is done here instead of in the before_parse hook
	60	because there is a check in main() to prohibit use of --relax and
	61	-r together. */
	62
	63	if (!disable_relaxation)
	64	command_line.relax = TRUE;
	65	}
	66
1fe1f39c NC	67	EOF
1fe1f39c NC	68
799fb2eb TL	69	# Define some shell vars to insert bits of code into the standard elf
	70	# parse_args and list_options functions.
	71	#
	72	PARSE_AND_LIST_PROLOGUE='
	73	#define OPTION_NO_RELAX 301
	74	'
	75
	76	PARSE_AND_LIST_LONGOPTS='
	77	{ "no-relax", no_argument, NULL, OPTION_NO_RELAX},
	78	'
	79
	80	PARSE_AND_LIST_OPTIONS='
	81	fprintf (file, _(" --no-relax Do not relax branches\n"));
	82	'
	83
	84	PARSE_AND_LIST_ARGS_CASES='
	85	case OPTION_NO_RELAX:
	86	disable_relaxation = TRUE;
	87	break;
	88	'
	89
1fe1f39c NC	90	# Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation
	91	#
	92	LDEMUL_AFTER_PARSE=crxelf_after_parse
799fb2eb TL	93	LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation
799fb2eb TL	94