127 lines
3.7 KiB
Plaintext
127 lines
3.7 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
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# Copyright 2010
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# 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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# This file is sourced from generic.em.
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fragment <<EOF
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static void
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gld${EMULATION_NAME}_before_parse (void)
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{
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ldfile_set_output_arch ("${ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
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config.dynamic_link = TRUE;
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config.has_shared = FALSE; /* Not yet. */
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}
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/* This is called before the input files are opened. We add the
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standard library. */
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static void
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gld${EMULATION_NAME}_create_output_section_statements (void)
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{
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lang_add_input_file ("imagelib", lang_input_file_is_l_enum, NULL);
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lang_add_input_file ("starlet", lang_input_file_is_l_enum, NULL);
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lang_add_input_file ("sys\$public_vectors", lang_input_file_is_l_enum, NULL);
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}
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/* Try to open a dynamic archive. This is where we know that VMS
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shared images (dynamic libraries) have an extension of .exe. */
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static bfd_boolean
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gld${EMULATION_NAME}_open_dynamic_archive (const char *arch ATTRIBUTE_UNUSED,
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search_dirs_type *search,
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lang_input_statement_type *entry)
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{
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char *string;
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if (! entry->is_archive)
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return FALSE;
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string = (char *) xmalloc (strlen (search->name)
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+ strlen (entry->filename)
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+ sizeof "/.exe");
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sprintf (string, "%s/%s.exe", search->name, entry->filename);
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if (! ldfile_try_open_bfd (string, entry))
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{
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free (string);
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return FALSE;
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}
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entry->filename = string;
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return TRUE;
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}
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static int
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gld${EMULATION_NAME}_find_potential_libraries
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(char *name, lang_input_statement_type *entry)
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{
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return ldfile_open_file_search (name, entry, "", ".olb");
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}
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/* Place an orphan section. We use this to put random OVR sections.
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Much borrowed from elf32.em. */
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static lang_output_section_statement_type *
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vms_place_orphan (asection *s,
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const char *secname ATTRIBUTE_UNUSED,
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int constraint ATTRIBUTE_UNUSED)
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{
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static struct orphan_save hold_data =
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{
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"\$DATA\$",
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SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
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0, 0, 0, 0
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};
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/* We have nothing to say for anything other than a final link or an excluded
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section. */
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if (link_info.relocatable
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|| (s->flags & (SEC_EXCLUDE | SEC_LOAD)) != SEC_LOAD)
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return NULL;
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/* FIXME: we should place sections by VMS program section flags. */
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/* Only handle data sections. */
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if ((s->flags & SEC_DATA) == 0)
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return NULL;
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if (hold_data.os == NULL)
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hold_data.os = lang_output_section_find (hold_data.name);
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if (hold_data.os != NULL)
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{
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lang_add_section (&hold_data.os->children, s, hold_data.os);
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return hold_data.os;
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}
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else
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return NULL;
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}
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EOF
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LDEMUL_PLACE_ORPHAN=vms_place_orphan
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LDEMUL_BEFORE_PARSE=gld"$EMULATION_NAME"_before_parse
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LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=gld"$EMULATION_NAME"_create_output_section_statements
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LDEMUL_FIND_POTENTIAL_LIBRARIES=gld"$EMULATION_NAME"_find_potential_libraries
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LDEMUL_OPEN_DYNAMIC_ARCHIVE=gld"$EMULATION_NAME"_open_dynamic_archive
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