mirror of
https://github.com/autc04/Retro68.git
synced 2024-09-10 03:54:48 +00:00
239 lines
6.5 KiB
Plaintext
239 lines
6.5 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
|
|
# Copyright 2010, 2012
|
|
# 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 generic.em.
|
|
|
|
fragment <<EOF
|
|
#include "getopt.h"
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_before_parse (void)
|
|
{
|
|
ldfile_set_output_arch ("${ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
|
|
input_flags.dynamic = TRUE;
|
|
config.has_shared = FALSE; /* Not yet. */
|
|
|
|
/* For ia64, harmless for alpha. */
|
|
link_info.emit_hash = FALSE;
|
|
link_info.spare_dynamic_tags = 0;
|
|
}
|
|
|
|
/* This is called before the input files are opened. We add the
|
|
standard library. */
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_create_output_section_statements (void)
|
|
{
|
|
lang_add_input_file ("imagelib", lang_input_file_is_l_enum, NULL);
|
|
lang_add_input_file ("starlet", lang_input_file_is_l_enum, NULL);
|
|
lang_add_input_file ("sys\$public_vectors", lang_input_file_is_l_enum, NULL);
|
|
}
|
|
|
|
/* Try to open a dynamic archive. This is where we know that VMS
|
|
shared images (dynamic libraries) have an extension of .exe. */
|
|
|
|
static bfd_boolean
|
|
gld${EMULATION_NAME}_open_dynamic_archive (const char *arch ATTRIBUTE_UNUSED,
|
|
search_dirs_type *search,
|
|
lang_input_statement_type *entry)
|
|
{
|
|
char *string;
|
|
|
|
if (! entry->flags.maybe_archive)
|
|
return FALSE;
|
|
|
|
string = (char *) xmalloc (strlen (search->name)
|
|
+ strlen (entry->filename)
|
|
+ sizeof "/.exe");
|
|
|
|
sprintf (string, "%s/%s.exe", search->name, entry->filename);
|
|
|
|
if (! ldfile_try_open_bfd (string, entry))
|
|
{
|
|
free (string);
|
|
return FALSE;
|
|
}
|
|
|
|
entry->filename = string;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static int
|
|
gld${EMULATION_NAME}_find_potential_libraries
|
|
(char *name, lang_input_statement_type *entry)
|
|
{
|
|
return ldfile_open_file_search (name, entry, "", ".olb");
|
|
}
|
|
|
|
/* Place an orphan section. We use this to put random OVR sections.
|
|
Much borrowed from elf32.em. */
|
|
|
|
static lang_output_section_statement_type *
|
|
vms_place_orphan (asection *s,
|
|
const char *secname ATTRIBUTE_UNUSED,
|
|
int constraint ATTRIBUTE_UNUSED)
|
|
{
|
|
static struct orphan_save hold_data =
|
|
{
|
|
"\$DATA\$",
|
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
|
|
0, 0, 0, 0
|
|
};
|
|
|
|
/* We have nothing to say for anything other than a final link or an excluded
|
|
section. */
|
|
if (link_info.relocatable
|
|
|| (s->flags & (SEC_EXCLUDE | SEC_LOAD)) != SEC_LOAD)
|
|
return NULL;
|
|
|
|
/* FIXME: we should place sections by VMS program section flags. */
|
|
|
|
/* Only handle data sections. */
|
|
if ((s->flags & SEC_DATA) == 0)
|
|
return NULL;
|
|
|
|
if (hold_data.os == NULL)
|
|
hold_data.os = lang_output_section_find (hold_data.name);
|
|
|
|
if (hold_data.os != NULL)
|
|
{
|
|
lang_add_section (&hold_data.os->children, s, NULL, hold_data.os);
|
|
return hold_data.os;
|
|
}
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
/* VMS specific options. */
|
|
#define OPTION_IDENTIFICATION (300 + 1)
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_add_options
|
|
(int ns ATTRIBUTE_UNUSED,
|
|
char **shortopts ATTRIBUTE_UNUSED,
|
|
int nl,
|
|
struct option **longopts,
|
|
int nrl ATTRIBUTE_UNUSED,
|
|
struct option **really_longopts ATTRIBUTE_UNUSED)
|
|
{
|
|
static const struct option xtra_long[] =
|
|
{
|
|
{"identification", required_argument, NULL, OPTION_IDENTIFICATION},
|
|
{NULL, no_argument, NULL, 0}
|
|
};
|
|
|
|
*longopts
|
|
= xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
|
|
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
|
|
}
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_list_options (FILE *file)
|
|
{
|
|
fprintf (file, _(" --identification <string> Set the identification of the output\n"));
|
|
}
|
|
|
|
static bfd_boolean
|
|
gld${EMULATION_NAME}_handle_option (int optc)
|
|
{
|
|
switch (optc)
|
|
{
|
|
default:
|
|
return FALSE;
|
|
|
|
case OPTION_IDENTIFICATION:
|
|
/* Currently ignored. */
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
EOF
|
|
|
|
if test "$OUTPUT_FORMAT" = "elf64-ia64-vms"; then
|
|
|
|
fragment <<EOF
|
|
#include "elf-bfd.h"
|
|
EOF
|
|
|
|
source_em ${srcdir}/emultempl/elf-generic.em
|
|
|
|
fragment <<EOF
|
|
|
|
/* This is called after the sections have been attached to output
|
|
sections, but before any sizes or addresses have been set. */
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_before_allocation (void)
|
|
{
|
|
const struct elf_backend_data *bed;
|
|
|
|
if (!is_elf_hash_table (link_info.hash))
|
|
return;
|
|
|
|
bed = get_elf_backend_data (link_info.output_bfd);
|
|
|
|
/* The backend must work out the sizes of all the other dynamic
|
|
sections. */
|
|
if (elf_hash_table (&link_info)->dynamic_sections_created
|
|
&& bed->elf_backend_size_dynamic_sections
|
|
&& ! (*bed->elf_backend_size_dynamic_sections) (link_info.output_bfd,
|
|
&link_info))
|
|
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
|
|
|
|
before_allocation_default ();
|
|
}
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_after_allocation (void)
|
|
{
|
|
bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd,
|
|
&link_info);
|
|
gld${EMULATION_NAME}_map_segments (need_layout);
|
|
}
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_after_parse (void)
|
|
{
|
|
link_info.relax_pass = 2;
|
|
after_parse_default ();
|
|
}
|
|
EOF
|
|
|
|
LDEMUL_BEFORE_ALLOCATION=gld"$EMULATION_NAME"_before_allocation
|
|
LDEMUL_AFTER_ALLOCATION=gld"$EMULATION_NAME"_after_allocation
|
|
|
|
LDEMUL_AFTER_PARSE=gld${EMULATION_NAME}_after_parse
|
|
source_em ${srcdir}/emultempl/needrelax.em
|
|
fi
|
|
|
|
LDEMUL_PLACE_ORPHAN=vms_place_orphan
|
|
LDEMUL_BEFORE_PARSE=gld"$EMULATION_NAME"_before_parse
|
|
LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=gld"$EMULATION_NAME"_create_output_section_statements
|
|
LDEMUL_FIND_POTENTIAL_LIBRARIES=gld"$EMULATION_NAME"_find_potential_libraries
|
|
LDEMUL_OPEN_DYNAMIC_ARCHIVE=gld"$EMULATION_NAME"_open_dynamic_archive
|
|
LDEMUL_ADD_OPTIONS=gld"$EMULATION_NAME"_add_options
|
|
LDEMUL_HANDLE_OPTION=gld"$EMULATION_NAME"_handle_option
|
|
LDEMUL_LIST_OPTIONS=gld"$EMULATION_NAME"_list_options
|