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https://github.com/autc04/Retro68.git
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103 lines
3.1 KiB
Plaintext
103 lines
3.1 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
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# Copyright 2006, 2007, 2008, 2010 Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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if test -n "$VXWORKS_BASE_EM_FILE" ; then
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source_em "${srcdir}/emultempl/${VXWORKS_BASE_EM_FILE}.em"
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fi
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fragment <<EOF
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static int force_dynamic;
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static void
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vxworks_before_parse (void)
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{
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${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse} ();
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config.rpath_separator = ';';
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}
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static void
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vxworks_after_open (void)
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{
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${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open} ();
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if (force_dynamic
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&& link_info.input_bfds
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&& bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
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&& !_bfd_elf_link_create_dynamic_sections (link_info.input_bfds,
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&link_info))
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einfo ("%X%P: Cannot create dynamic sections %E\n");
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if (!force_dynamic
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&& !link_info.shared
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&& bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
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&& elf_hash_table (&link_info)->dynamic_sections_created)
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einfo ("%X%P: Dynamic sections created in non-dynamic link\n");
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}
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EOF
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PARSE_AND_LIST_PROLOGUE=$PARSE_AND_LIST_PROLOGUE'
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enum {
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OPTION_FORCE_DYNAMIC = 501
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};
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'
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PARSE_AND_LIST_LONGOPTS=$PARSE_AND_LIST_LONGOPTS'
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{"force-dynamic", no_argument, NULL, OPTION_FORCE_DYNAMIC},
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'
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PARSE_AND_LIST_OPTIONS=$PARSE_AND_LIST_OPTIONS'
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fprintf (file, _("\
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--force-dynamic Always create dynamic sections\n"));
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'
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PARSE_AND_LIST_ARGS_CASES=$PARSE_AND_LIST_ARGS_CASES'
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case OPTION_FORCE_DYNAMIC:
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force_dynamic = 1;
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break;
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'
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# Hook in our routines above. There are three possibilities:
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#
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# (1) VXWORKS_BASE_EM_FILE did not set the hook's LDEMUL_FOO variable.
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# We want to define LDEMUL_FOO to vxworks_foo in that case,
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#
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# (2) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to
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# gld${EMULATION_NAME}_foo. This means that the file has
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# replaced elf32.em's default definition, so we simply #define
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# the current value of LDEMUL_FOO to vxworks_foo.
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#
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# (3) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to
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# something other than gld${EMULATION_NAME}_foo. We handle
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# this case in the same way as (1).
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for override in before_parse after_open; do
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var="LDEMUL_`echo ${override} | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`"
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eval value=\$${var}
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if test "${value}" = "gld${EMULATION_NAME}_${override}"; then
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fragment <<EOF
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#define ${value} vxworks_${override}
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EOF
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else
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eval $var=vxworks_${override}
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fi
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done
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