1# This shell script emits a C file. -*- C -*- 2# Copyright 2007 Free Software Foundation, Inc. 3# Contributed by M R Swami Reddy <MR.Swami.Reddy@nsc.com> 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 cr16-elf 23# specific routines. 24# 25cat >>e${EMULATION_NAME}.c <<EOF 26 27#include "ldctor.h" 28 29/* Flag for the emulation-specific "--no-relax" option. */ 30static bfd_boolean disable_relaxation = FALSE; 31 32static void 33cr16elf_after_parse (void) 34{ 35 /* Always behave as if called with --sort-common command line 36 option. 37 This is to emulate the CRTools' method of keeping variables 38 of different alignment in separate sections. */ 39 config.sort_common = TRUE; 40 41 /* Don't create a demand-paged executable, since this feature isn't 42 meaninful in CR16 embedded systems. Moreover, when magic_demand_paged 43 is true the link sometimes fails. */ 44 config.magic_demand_paged = FALSE; 45} 46 47/* This is called after the sections have been attached to output 48 sections, but before any sizes or addresses have been set. */ 49 50static void 51cr16elf_before_allocation (void) 52{ 53 /* Call the default first. */ 54 gld${EMULATION_NAME}_before_allocation (); 55 56 /* Enable relaxation by default if the "--no-relax" option was not 57 specified. This is done here instead of in the before_parse hook 58 because there is a check in main() to prohibit use of --relax and 59 -r together. */ 60 61 if (!disable_relaxation) 62 command_line.relax = TRUE; 63} 64 65EOF 66 67# Define some shell vars to insert bits of code into the standard elf 68# parse_args and list_options functions. 69# 70PARSE_AND_LIST_PROLOGUE=' 71#define OPTION_NO_RELAX 301 72' 73 74PARSE_AND_LIST_LONGOPTS=' 75 { "no-relax", no_argument, NULL, OPTION_NO_RELAX}, 76' 77 78PARSE_AND_LIST_OPTIONS=' 79 fprintf (file, _(" --no-relax Do not relax branches\n")); 80' 81 82PARSE_AND_LIST_ARGS_CASES=' 83 case OPTION_NO_RELAX: 84 disable_relaxation = TRUE; 85 break; 86' 87 88# Put these extra cr16-elf routines in ld_${EMULATION_NAME}_emulation 89# 90LDEMUL_AFTER_PARSE=cr16elf_after_parse 91LDEMUL_BEFORE_ALLOCATION=cr16elf_before_allocation 92 93