1# This shell script emits a C file. -*- C -*-
2#   Copyright 2003 Free Software Foundation, Inc.
3#
4# This file is part of GLD, the Gnu Linker.
5#
6# This program is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 2 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program; if not, write to the Free Software
18# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19#
20
21# This file is sourced from elf32.em, and defines extra alpha
22# specific routines.
23#
24cat >>e${EMULATION_NAME}.c <<EOF
25
26#include "elf/internal.h"
27#include "elf/alpha.h"
28#include "elf-bfd.h"
29
30static int elf64alpha_32bit = 0;
31
32/* Set the start address as in the Tru64 ld.  */
33#define ALPHA_TEXT_START_32BIT 0x12000000
34
35static void
36alpha_after_parse (void)
37{
38  if (elf64alpha_32bit && !link_info.shared && !link_info.relocatable)
39    lang_section_start (".interp",
40			exp_binop ('+',
41				   exp_intop (ALPHA_TEXT_START_32BIT),
42				   exp_nameop (SIZEOF_HEADERS, NULL)));
43}
44
45static void
46alpha_finish (void)
47{
48  if (elf64alpha_32bit)
49    elf_elfheader (output_bfd)->e_flags |= EF_ALPHA_32BIT;
50
51  gld${EMULATION_NAME}_finish ();
52}
53EOF
54
55# Define some shell vars to insert bits of code into the standard elf
56# parse_args and list_options functions.
57#
58PARSE_AND_LIST_PROLOGUE='
59#define OPTION_TASO            300
60'
61
62PARSE_AND_LIST_LONGOPTS='
63  {"taso", no_argument, NULL, OPTION_TASO},
64'
65
66PARSE_AND_LIST_OPTIONS='
67  fprintf (file, _("  -taso\t\t\tLoad executable in the lower 31-bit addressable\n"));
68  fprintf (file, _("\t\t\t  virtual address range\n"));
69'
70
71PARSE_AND_LIST_ARGS_CASES='
72    case OPTION_TASO:
73      elf64alpha_32bit = 1;
74      break;
75'
76
77# Put these extra alpha routines in ld_${EMULATION_NAME}_emulation
78#
79LDEMUL_AFTER_PARSE=alpha_after_parse
80LDEMUL_FINISH=alpha_finish
81