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