1# This shell script emits a C file. -*- C -*-
2#   Copyright 2004, 2007
3#   Free Software Foundation, Inc.
4#
5# This file is part of the GNU Binutils.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 3 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20# MA 02110-1301, USA.
21#
22
23# This file is sourced from elf32.em, and defines extra crx-elf
24# specific routines.
25#
26fragment <<EOF
27
28#include "ldctor.h"
29
30/* Flag for the emulation-specific "--no-relax" option.  */
31static bfd_boolean disable_relaxation = FALSE;
32
33static void crxelf_after_parse (void);
34
35static void
36crxelf_after_parse (void)
37{
38  /* Always behave as if called with --sort-common command line
39     option.
40     This is to emulate the CRTools' method of keeping variables
41     of different alignment in separate sections.  */
42  config.sort_common = TRUE;
43
44  /* Don't create a demand-paged executable, since this feature isn't
45     meaninful in CRX embedded systems. Moreover, when magic_demand_paged
46     is true the link sometimes fails.  */
47  config.magic_demand_paged = FALSE;
48}
49
50/* This is called after the sections have been attached to output
51   sections, but before any sizes or addresses have been set.  */
52
53static void
54crxelf_before_allocation (void)
55{
56  /* Call the default first.  */
57  gld${EMULATION_NAME}_before_allocation ();
58
59  /* Enable relaxation by default if the "--no-relax" option was not
60     specified.  This is done here instead of in the before_parse hook
61     because there is a check in main() to prohibit use of --relax and
62     -r together.  */
63
64  if (!disable_relaxation)
65    command_line.relax = TRUE;
66}
67
68EOF
69
70# Define some shell vars to insert bits of code into the standard elf
71# parse_args and list_options functions.
72#
73PARSE_AND_LIST_PROLOGUE='
74#define OPTION_NO_RELAX			301
75'
76
77PARSE_AND_LIST_LONGOPTS='
78  { "no-relax", no_argument, NULL, OPTION_NO_RELAX},
79'
80
81PARSE_AND_LIST_OPTIONS='
82  fprintf (file, _("  --no-relax                  Do not relax branches\n"));
83'
84
85PARSE_AND_LIST_ARGS_CASES='
86    case OPTION_NO_RELAX:
87      disable_relaxation = TRUE;
88      break;
89'
90
91# Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation
92#
93LDEMUL_AFTER_PARSE=crxelf_after_parse
94LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation
95