1 # This shell script emits a C file. -*- C -*- 2 # Copyright (C) 2006-2014 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 if test -n "$VXWORKS_BASE_EM_FILE" ; then 23 source_em "${srcdir}/emultempl/${VXWORKS_BASE_EM_FILE}.em" 24 fi 25 26 fragment <<EOF 27 28 static int force_dynamic; 29 30 static void 31 vxworks_before_parse (void) 32 { 33 ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse} (); 34 config.rpath_separator = ';'; 35 } 36 37 static void 38 vxworks_after_open (void) 39 { 40 ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open} (); 41 42 if (force_dynamic 43 && link_info.input_bfds 44 && bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour 45 && !_bfd_elf_link_create_dynamic_sections (link_info.input_bfds, 46 &link_info)) 47 einfo ("%X%P: Cannot create dynamic sections %E\n"); 48 49 if (!force_dynamic 50 && !link_info.shared 51 && bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour 52 && elf_hash_table (&link_info)->dynamic_sections_created) 53 einfo ("%X%P: Dynamic sections created in non-dynamic link\n"); 54 } 55 56 EOF 57 58 PARSE_AND_LIST_PROLOGUE=$PARSE_AND_LIST_PROLOGUE' 59 enum { 60 OPTION_FORCE_DYNAMIC = 501 61 }; 62 ' 63 64 PARSE_AND_LIST_LONGOPTS=$PARSE_AND_LIST_LONGOPTS' 65 {"force-dynamic", no_argument, NULL, OPTION_FORCE_DYNAMIC}, 66 ' 67 68 PARSE_AND_LIST_OPTIONS=$PARSE_AND_LIST_OPTIONS' 69 fprintf (file, _("\ 70 --force-dynamic Always create dynamic sections\n")); 71 ' 72 73 PARSE_AND_LIST_ARGS_CASES=$PARSE_AND_LIST_ARGS_CASES' 74 case OPTION_FORCE_DYNAMIC: 75 force_dynamic = 1; 76 break; 77 ' 78 79 # Hook in our routines above. There are three possibilities: 80 # 81 # (1) VXWORKS_BASE_EM_FILE did not set the hook's LDEMUL_FOO variable. 82 # We want to define LDEMUL_FOO to vxworks_foo in that case, 83 # 84 # (2) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to 85 # gld${EMULATION_NAME}_foo. This means that the file has 86 # replaced elf32.em's default definition, so we simply #define 87 # the current value of LDEMUL_FOO to vxworks_foo. 88 # 89 # (3) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to 90 # something other than gld${EMULATION_NAME}_foo. We handle 91 # this case in the same way as (1). 92 for override in before_parse after_open; do 93 var="LDEMUL_`echo ${override} | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`" 94 eval value=\$${var} 95 if test "${value}" = "gld${EMULATION_NAME}_${override}"; then 96 fragment <<EOF 97 #define ${value} vxworks_${override} 98 EOF 99 else 100 eval $var=vxworks_${override} 101 fi 102 done 103
