ld/emultempl/crxelf.em

   1 # This shell script emits a C file. -*- C -*-
   2 #   Copyright (C) 2004-2024 Free Software Foundation, Inc.
   3 #
   4 # This file is part of the GNU Binutils.
   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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  19 # MA 02110-1301, USA.
  20 #
  21
  22 # This file is sourced from elf.em, and defines extra crx-elf
  23 # specific routines.
  24 #
  25 fragment <<EOF
  26
  27 #include "ldctor.h"
  28
  29 static void
  30 crxelf_after_parse (void)
  31 {
  32   /* Always behave as if called with --sort-common command line
  33      option.
  34      This is to emulate the CRTools' method of keeping variables
  35      of different alignment in separate sections.  */
  36   config.sort_common = true;
  37
  38   /* Don't create a demand-paged executable, since this feature isn't
  39      meaninful in CRX embedded systems. Moreover, when magic_demand_paged
  40      is true the link sometimes fails.  */
  41   config.magic_demand_paged = false;
  42
  43   ldelf_after_parse ();
  44 }
  45
  46 /* This is called after the sections have been attached to output
  47    sections, but before any sizes or addresses have been set.  */
  48
  49 static void
  50 crxelf_before_allocation (void)
  51 {
  52   /* Call the default first.  */
  53   gld${EMULATION_NAME}_before_allocation ();
  54
  55   /* Enable relaxation by default if the "--no-relax" option was not
  56      specified.  This is done here instead of in the before_parse hook
  57      because there is a check in main() to prohibit use of --relax and
  58      -r together.  */
  59   if (RELAXATION_DISABLED_BY_DEFAULT)
  60     ENABLE_RELAXATION;
  61 }
  62
  63 EOF
  64
  65 # Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation
  66 #
  67 LDEMUL_AFTER_PARSE=crxelf_after_parse
  68 LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation