ld/emultempl/ticoff.em

   1 # This shell script emits a C file. -*- C -*-
   2 # It does some substitutions.
   3 (echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
   4 fragment <<EOF
   5 /* This file is part of GLD, the Gnu Linker.
   6    Copyright (C) 1999-2018 Free Software Foundation, Inc.
   7
   8    This file is part of the GNU Binutils.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  23    MA 02110-1301, USA.  */
  24
  25 /* For TI COFF */
  26 /* Need to determine load and run pages for output sections */
  27
  28 #define TARGET_IS_${EMULATION_NAME}
  29
  30 #include "sysdep.h"
  31 #include "bfd.h"
  32 #include "bfdlink.h"
  33 #include "getopt.h"
  34
  35 #include "ld.h"
  36 #include "ldmain.h"
  37 #include "ldmisc.h"
  38 #include "ldexp.h"
  39 #include "ldlang.h"
  40 #include "ldfile.h"
  41 #include "ldemul.h"
  42
  43 static int coff_version;
  44
  45 /* TI COFF extra command line options */
  46 #define OPTION_COFF_FORMAT              (300 + 1)
  47
  48 static void
  49 gld${EMULATION_NAME}_add_options
  50   (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
  51    struct option **longopts, int nrl ATTRIBUTE_UNUSED,
  52    struct option **really_longopts ATTRIBUTE_UNUSED)
  53 {
  54   static const struct option xtra_long[] = {
  55     /* TI COFF options */
  56     {"format", required_argument, NULL, OPTION_COFF_FORMAT },
  57     {NULL, no_argument, NULL, 0}
  58   };
  59
  60   *longopts = (struct option *)
  61     xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
  62   memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
  63 }
  64
  65 static void
  66 gld_${EMULATION_NAME}_list_options (FILE * file)
  67 {
  68   fprintf (file, _("  --format 0|1|2              Specify which COFF version to use\n"));
  69 }
  70
  71 static bfd_boolean
  72 gld${EMULATION_NAME}_handle_option (int optc)
  73 {
  74   switch (optc)
  75     {
  76     default:
  77       return FALSE;
  78
  79     case OPTION_COFF_FORMAT:
  80       if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
  81           && optarg[1] == '\0')
  82         {
  83           static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
  84           coff_version = *optarg - '0';
  85           buf[4] = *optarg;
  86           lang_add_output_format (buf, NULL, NULL, 0);
  87         }
  88       else
  89         {
  90           einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
  91         }
  92       break;
  93     }
  94   return FALSE;
  95 }
  96
  97 static void
  98 gld_${EMULATION_NAME}_before_parse(void)
  99 {
 100 #ifndef TARGET_                 /* I.e., if not generic.  */
 101   ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
 102 #endif /* not TARGET_ */
 103 }
 104
 105 static char *
 106 gld_${EMULATION_NAME}_get_script (int *isfile)
 107 EOF
 108 if test x"$COMPILE_IN" = xyes
 109 then
 110 # Scripts compiled in.
 111
 112 # sed commands to quote an ld script as a C string.
 113 sc='s/["\\]/\\&/g
 114 s/$/\\n\\/
 115 1s/^/"/
 116 $s/$/n"/
 117 '
 118 fragment <<EOF
 119 {
 120   *isfile = 0;
 121   if (bfd_link_relocatable (&link_info) && config.build_constructors)
 122     return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
 123   else if (bfd_link_relocatable (&link_info))
 124     return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
 125   else if (!config.text_read_only)
 126     return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
 127   else if (!config.magic_demand_paged)
 128     return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
 129   else
 130     return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
 131 }
 132 EOF
 133
 134 else
 135 # Scripts read from the filesystem.
 136
 137 fragment <<EOF
 138 {
 139   *isfile = 1;
 140
 141   if (bfd_link_relocatable (&link_info) && config.build_constructors)
 142     return "ldscripts/${EMULATION_NAME}.xu";
 143   else if (bfd_link_relocatable (&link_info))
 144     return "ldscripts/${EMULATION_NAME}.xr";
 145   else if (!config.text_read_only)
 146     return "ldscripts/${EMULATION_NAME}.xbn";
 147   else if (!config.magic_demand_paged)
 148     return "ldscripts/${EMULATION_NAME}.xn";
 149   else
 150     return "ldscripts/${EMULATION_NAME}.x";
 151 }
 152 EOF
 153
 154 fi
 155
 156 fragment <<EOF
 157 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 158 {
 159   gld_${EMULATION_NAME}_before_parse,
 160   syslib_default,
 161   hll_default,
 162   after_parse_default,
 163   after_open_default,
 164   after_check_relocs_default,
 165   after_allocation_default,
 166   set_output_arch_default,
 167   ldemul_default_target,
 168   before_allocation_default,
 169   gld_${EMULATION_NAME}_get_script,
 170   "${EMULATION_NAME}",
 171   "${OUTPUT_FORMAT}",
 172   finish_default,
 173   NULL, /* create output section statements */
 174   NULL, /* open dynamic archive */
 175   NULL, /* place orphan */
 176   NULL, /* set_symbols */
 177   NULL, /* parse_args */
 178   gld${EMULATION_NAME}_add_options,
 179   gld${EMULATION_NAME}_handle_option,
 180   NULL, /* unrecognized_file */
 181   gld_${EMULATION_NAME}_list_options,
 182   NULL, /* recognized file */
 183   NULL, /* find_potential_libraries */
 184   NULL, /* new_vers_pattern */
 185   NULL  /* extra_map_file_text */
 186 };
 187 EOF