1# This shell script emits a C file. -*- C -*-
2#   Copyright 2004
3#   Free Software Foundation, Inc.
4#
5# This file is part of GLD, the Gnu Linker.
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 2 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, MA 02110-1301, USA.
20#
21
22# This file is sourced from elf32.em, and defines extra crx-elf
23# specific routines.
24#
25cat >>e${EMULATION_NAME}.c <<EOF
26
27#include "ldctor.h"
28
29/* Flag for the emulation-specific "--no-relax" option.  */
30static bfd_boolean disable_relaxation = FALSE;
31
32static void crxelf_after_parse (void);
33
34static void
35crxelf_after_parse (void)
36{
37  /* Always behave as if called with --sort-common command line
38     option.
39     This is to emulate the CRTools' method of keeping variables
40     of different alignment in separate sections.  */
41  config.sort_common = TRUE;
42
43  /* Don't create a demand-paged executable, since this feature isn't
44     meaninful in CRX embedded systems. Moreover, when magic_demand_paged
45     is true the link sometimes fails.  */
46  config.magic_demand_paged = FALSE;
47}
48
49/* This is called after the sections have been attached to output
50   sections, but before any sizes or addresses have been set.  */
51
52static void
53crxelf_before_allocation (void)
54{
55  /* Call the default first.  */
56  gld${EMULATION_NAME}_before_allocation ();
57
58  /* Enable relaxation by default if the "--no-relax" option was not
59     specified.  This is done here instead of in the before_parse hook
60     because there is a check in main() to prohibit use of --relax and
61     -r together.  */
62
63  if (!disable_relaxation)
64    command_line.relax = TRUE;
65}
66
67EOF
68
69# Define some shell vars to insert bits of code into the standard elf
70# parse_args and list_options functions.
71#
72PARSE_AND_LIST_PROLOGUE='
73#define OPTION_NO_RELAX			301
74'
75
76PARSE_AND_LIST_LONGOPTS='
77  { "no-relax", no_argument, NULL, OPTION_NO_RELAX},
78'
79
80PARSE_AND_LIST_OPTIONS='
81  fprintf (file, _("  --no-relax                  Do not relax branches\n"));
82'
83
84PARSE_AND_LIST_ARGS_CASES='
85    case OPTION_NO_RELAX:
86      disable_relaxation = TRUE;
87      break;
88'
89
90# Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation
91#
92LDEMUL_AFTER_PARSE=crxelf_after_parse
93LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation
94
95