binutils-gdb/ld/emultempl/crxelf.em

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# This shell script emits a C file. -*- C -*-
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# Copyright 2004, 2007
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# Free Software Foundation, Inc.
#
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# This file is part of the GNU Binutils.
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#
# 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
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# the Free Software Foundation; either version 3 of the License, or
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# (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
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
# MA 02110-1301, USA.
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#
# This file is sourced from elf32.em, and defines extra crx-elf
# specific routines.
#
2007-07-19 Roland McGrath <roland@redhat.com> * genscripts.sh (source_em, fragment): New sh functions. Truncate e${EMULATION_NAME}.c file before .em script fills it. Use source_em in place of . for the .em script. * emultempl/generic.em: Use fragment and source_em functions. * emultempl/aix.em: Likewise. * emultempl/alphaelf.em: Likewise. * emultempl/armcoff.em: Likewise. * emultempl/armelf.em: Likewise. * emultempl/avrelf.em: Likewise. * emultempl/beos.em: Likewise. * emultempl/cr16elf.em: Likewise. * emultempl/crxelf.em: Likewise. * emultempl/elf-generic.em: Likewise. * emultempl/elf32.em: Likewise. * emultempl/genelf.em: Likewise. * emultempl/gld960.em: Likewise. * emultempl/gld960c.em: Likewise. * emultempl/hppaelf.em: Likewise. * emultempl/ia64elf.em: Likewise. * emultempl/irix.em: Likewise. * emultempl/linux.em: Likewise. * emultempl/lnk960.em: Likewise. * emultempl/m68hc1xelf.em: Likewise. * emultempl/m68kcoff.em: Likewise. * emultempl/m68kelf.em: Likewise. * emultempl/mipsecoff.em: Likewise. * emultempl/mipself.em: Likewise. * emultempl/mmix-elfnmmo.em: Likewise. * emultempl/mmixelf.em: Likewise. * emultempl/mmo.em: Likewise. * emultempl/needrelax.em: Likewise. * emultempl/netbsd.em: Likewise. * emultempl/pe.em: Likewise. * emultempl/pep.em: Likewise. * emultempl/ppc32elf.em: Likewise. * emultempl/ppc64elf.em: Likewise. * emultempl/scoreelf.em: Likewise. * emultempl/sh64elf.em: Likewise. * emultempl/spuelf.em: Likewise. * emultempl/sunos.em: Likewise. * emultempl/ticoff.em: Likewise. * emultempl/vanilla.em: Likewise. * emultempl/vxworks.em: Likewise. * emultempl/xtensaelf.em: Likewise. * emultempl/z80.em: Likewise.
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fragment <<EOF
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#include "ldctor.h"
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/* Flag for the emulation-specific "--no-relax" option. */
static bfd_boolean disable_relaxation = FALSE;
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static void crxelf_after_parse (void);
static void
crxelf_after_parse (void)
{
/* Always behave as if called with --sort-common command line
option.
This is to emulate the CRTools' method of keeping variables
of different alignment in separate sections. */
config.sort_common = TRUE;
/* Don't create a demand-paged executable, since this feature isn't
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meaninful in CRX embedded systems. Moreover, when magic_demand_paged
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is true the link sometimes fails. */
config.magic_demand_paged = FALSE;
}
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/* This is called after the sections have been attached to output
sections, but before any sizes or addresses have been set. */
static void
crxelf_before_allocation (void)
{
/* Call the default first. */
gld${EMULATION_NAME}_before_allocation ();
/* Enable relaxation by default if the "--no-relax" option was not
specified. This is done here instead of in the before_parse hook
because there is a check in main() to prohibit use of --relax and
-r together. */
if (!disable_relaxation)
command_line.relax = TRUE;
}
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EOF
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# Define some shell vars to insert bits of code into the standard elf
# parse_args and list_options functions.
#
PARSE_AND_LIST_PROLOGUE='
#define OPTION_NO_RELAX 301
'
PARSE_AND_LIST_LONGOPTS='
{ "no-relax", no_argument, NULL, OPTION_NO_RELAX},
'
PARSE_AND_LIST_OPTIONS='
fprintf (file, _(" --no-relax Do not relax branches\n"));
'
PARSE_AND_LIST_ARGS_CASES='
case OPTION_NO_RELAX:
disable_relaxation = TRUE;
break;
'
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# Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation
#
LDEMUL_AFTER_PARSE=crxelf_after_parse
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LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation