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97 lines
2.8 KiB
Plaintext
97 lines
2.8 KiB
Plaintext
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# This shell script emits a C file. -*- C -*-
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# Copyright 2004, 2005, 2007, 2009
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# Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# 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.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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# This file is sourced from elf32.em, and defines extra crx-elf
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# specific routines.
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#
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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. */
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static bfd_boolean disable_relaxation = FALSE;
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static void crxelf_after_parse (void);
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static void
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crxelf_after_parse (void)
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{
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/* Always behave as if called with --sort-common command line
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option.
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This is to emulate the CRTools' method of keeping variables
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of different alignment in separate sections. */
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config.sort_common = TRUE;
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/* 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. */
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config.magic_demand_paged = FALSE;
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after_parse_default ();
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}
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/* This is called after the sections have been attached to output
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sections, but before any sizes or addresses have been set. */
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static void
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crxelf_before_allocation (void)
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{
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/* Call the default first. */
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gld${EMULATION_NAME}_before_allocation ();
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/* Enable relaxation by default if the "--no-relax" option was not
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specified. This is done here instead of in the before_parse hook
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because there is a check in main() to prohibit use of --relax and
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-r together. */
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if (!disable_relaxation)
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command_line.relax = TRUE;
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}
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EOF
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# Define some shell vars to insert bits of code into the standard elf
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# parse_args and list_options functions.
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#
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PARSE_AND_LIST_PROLOGUE='
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#define OPTION_NO_RELAX 301
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'
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PARSE_AND_LIST_LONGOPTS='
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{ "no-relax", no_argument, NULL, OPTION_NO_RELAX},
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'
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PARSE_AND_LIST_OPTIONS='
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fprintf (file, _(" --no-relax Do not relax branches\n"));
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'
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PARSE_AND_LIST_ARGS_CASES='
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case OPTION_NO_RELAX:
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disable_relaxation = TRUE;
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break;
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'
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# Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation
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#
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LDEMUL_AFTER_PARSE=crxelf_after_parse
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LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation
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