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|
# This shell script emits a C file. -*- C -*-
# Copyright (C) 2006-2021 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.
#
if test -n "$VXWORKS_BASE_EM_FILE" ; then
source_em "${srcdir}/emultempl/${VXWORKS_BASE_EM_FILE}.em"
fi
fragment <<EOF
static int force_dynamic;
static void
vxworks_before_parse (void)
{
${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse} ();
config.rpath_separator = ';';
}
static void
vxworks_after_open (void)
{
${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open} ();
if (force_dynamic
&& link_info.input_bfds
&& bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
&& !_bfd_elf_link_create_dynamic_sections (link_info.input_bfds,
&link_info))
einfo (_("%X%P: cannot create dynamic sections %E\n"));
if (!force_dynamic
&& !bfd_link_pic (&link_info)
&& bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
&& elf_hash_table (&link_info)->dynamic_sections_created)
einfo (_("%X%P: dynamic sections created in non-dynamic link\n"));
}
EOF
PARSE_AND_LIST_PROLOGUE=$PARSE_AND_LIST_PROLOGUE'
enum {
OPTION_FORCE_DYNAMIC = 501
};
'
PARSE_AND_LIST_LONGOPTS=$PARSE_AND_LIST_LONGOPTS'
{"force-dynamic", no_argument, NULL, OPTION_FORCE_DYNAMIC},
'
PARSE_AND_LIST_OPTIONS=$PARSE_AND_LIST_OPTIONS'
fprintf (file, _("\
--force-dynamic Always create dynamic sections\n"));
'
PARSE_AND_LIST_ARGS_CASES=$PARSE_AND_LIST_ARGS_CASES'
case OPTION_FORCE_DYNAMIC:
force_dynamic = 1;
break;
'
# Hook in our routines above. There are three possibilities:
#
# (1) VXWORKS_BASE_EM_FILE did not set the hook's LDEMUL_FOO variable.
# We want to define LDEMUL_FOO to vxworks_foo in that case,
#
# (2) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to
# gld${EMULATION_NAME}_foo. This means that the file has
# replaced elf.em's default definition, so we simply #define
# the current value of LDEMUL_FOO to vxworks_foo.
#
# (3) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to
# something other than gld${EMULATION_NAME}_foo. We handle
# this case in the same way as (1).
for override in before_parse after_open; do
var="LDEMUL_`echo ${override} | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`"
eval value=\$${var}
if test "${value}" = "gld${EMULATION_NAME}_${override}"; then
fragment <<EOF
#define ${value} vxworks_${override}
EOF
else
eval $var=vxworks_${override}
fi
done
|
