ld/emultempl/ticoff.em

   1 # This shell script emits a C file. -*- C -*-
   2 # It does some substitutions.
   3 (echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
   4 cat >>e${EMULATION_NAME}.c <<EOF
   5 /* This file is part of GLD, the Gnu Linker.
   6    Copyright 1999, 2000 Free Software Foundation, Inc.
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  21
  22 /* For TI COFF */
  23 /* Need to determine load and run pages for output sections */
  24
  25 #define TARGET_IS_${EMULATION_NAME}
  26
  27 #include "bfd.h"
  28 #include "sysdep.h"
  29 #include "bfdlink.h"
  30
  31 #include "ld.h"
  32 #include "ldmain.h"
  33 #include "ldmisc.h"
  34
  35 #include "ldexp.h"
  36 #include "ldlang.h"
  37 #include "ldfile.h"
  38 #include "ldemul.h"
  39
  40 #include "getopt.h"
  41
  42 static int coff_version;
  43
  44 static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
  45 static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
  46 static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
  47 static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE *));
  48
  49 /* TI COFF extra command line options */
  50 #define OPTION_COFF_FORMAT              (300 + 1)
  51
  52 static struct option longopts[] =
  53 {
  54   /* TI COFF options */
  55   {"format", required_argument, NULL, OPTION_COFF_FORMAT },
  56   {NULL, no_argument, NULL, 0}
  57 };
  58
  59 static void
  60 gld_${EMULATION_NAME}_list_options (file)
  61     FILE * file;
  62 {
  63   fprintf (file, _("  --format 0|1|2         Specify which COFF version to use"));
  64 }
  65
  66 static int
  67 gld_${EMULATION_NAME}_parse_args(argc, argv)
  68      int argc;
  69      char **argv;
  70 {
  71   int longind;
  72   int optc;
  73   int prevoptind = optind;
  74   int prevopterr = opterr;
  75   int wanterror;
  76   static int lastoptind = -1;
  77
  78   if (lastoptind != optind)
  79     opterr = 0;
  80   wanterror = opterr;
  81
  82   lastoptind = optind;
  83
  84   optc = getopt_long_only (argc, argv, "-", longopts, &longind);
  85   opterr = prevopterr;
  86
  87   switch (optc)
  88     {
  89     default:
  90       if (wanterror)
  91         xexit (1);
  92       optind =  prevoptind;
  93       return 0;
  94
  95     case OPTION_COFF_FORMAT:
  96       if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
  97           && optarg[1] == '\0')
  98       {
  99         extern void lang_add_output_format
 100           PARAMS ((const char *, const char *, const char *, int));
 101         static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
 102         coff_version = *optarg - '0';
 103         buf[4] = *optarg;
 104         lang_add_output_format (buf, NULL, NULL, 0);
 105       }
 106       else
 107         {
 108           einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
 109
 110         }
 111       break;
 112     }
 113   return 1;
 114 }
 115
 116 static void
 117 gld_${EMULATION_NAME}_before_parse()
 118 {
 119 #ifndef TARGET_                 /* I.e., if not generic.  */
 120   ldfile_set_output_arch ("`echo ${ARCH}`");
 121 #endif /* not TARGET_ */
 122 }
 123
 124 static char *
 125 gld_${EMULATION_NAME}_get_script (isfile)
 126      int *isfile;
 127 EOF
 128 if test -n "$COMPILE_IN"
 129 then
 130 # Scripts compiled in.
 131
 132 # sed commands to quote an ld script as a C string.
 133 sc='s/["\\]/\\&/g
 134 s/$/\\n\\/
 135 1s/^/"/
 136 $s/$/n"/
 137 '
 138 cat >>e${EMULATION_NAME}.c <<EOF
 139 {
 140   *isfile = 0;
 141   if (link_info.relocateable == true && config.build_constructors == true)
 142     return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
 143   else if (link_info.relocateable == true)
 144     return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
 145   else if (!config.text_read_only)
 146     return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
 147   else if (!config.magic_demand_paged)
 148     return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
 149   else
 150     return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
 151 }
 152 EOF
 153
 154 else
 155 # Scripts read from the filesystem.
 156
 157 cat >>e${EMULATION_NAME}.c <<EOF
 158 {
 159   *isfile = 1;
 160
 161   if (link_info.relocateable == true && config.build_constructors == true)
 162     return "ldscripts/${EMULATION_NAME}.xu";
 163   else if (link_info.relocateable == true)
 164     return "ldscripts/${EMULATION_NAME}.xr";
 165   else if (!config.text_read_only)
 166     return "ldscripts/${EMULATION_NAME}.xbn";
 167   else if (!config.magic_demand_paged)
 168     return "ldscripts/${EMULATION_NAME}.xn";
 169   else
 170     return "ldscripts/${EMULATION_NAME}.x";
 171 }
 172 EOF
 173
 174 fi
 175
 176 cat >>e${EMULATION_NAME}.c <<EOF
 177 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 178 {
 179   gld_${EMULATION_NAME}_before_parse,
 180   syslib_default,
 181   hll_default,
 182   after_parse_default,
 183   after_open_default,
 184   after_allocation_default,
 185   set_output_arch_default,
 186   ldemul_default_target,
 187   before_allocation_default,
 188   gld_${EMULATION_NAME}_get_script,
 189   "${EMULATION_NAME}",
 190   "${OUTPUT_FORMAT}",
 191   NULL, /* finish */
 192   NULL, /* create output section statements */
 193   NULL, /* open dynamic archive */
 194   NULL, /* place orphan */
 195   NULL, /* set_symbols */
 196   gld_${EMULATION_NAME}_parse_args,
 197   NULL, /* unrecognized_file */
 198   gld_${EMULATION_NAME}_list_options,
 199   NULL, /* recognized file */
 200   NULL, /* find_potential_libraries */
 201   NULL  /* new_vers_pattern */
 202 };
 203 EOF