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_${EMULATION_NAME}
  26
  27 #include "bfd.h"
  28 #include "sysdep.h"
  29 #include "bfdlink.h"
  30
  31 #include "ld.h"
  32 #include "ldmain.h"
  33 #include "ldemul.h"
  34 #include "ldfile.h"
  35 #include "ldmisc.h"
  36
  37 #include "getopt.h"
  38
  39 static int coff_version;
  40
  41 static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
  42 static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
  43 static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
  44 static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE *));
  45
  46 /* TI COFF extra command line options */
  47 #define OPTION_COFF_FORMAT              (300 + 1)
  48
  49 static struct option longopts[] =
  50 {
  51   /* TI COFF options */
  52   {"format", required_argument, NULL, OPTION_COFF_FORMAT },
  53   {NULL, no_argument, NULL, 0}
  54 };
  55
  56 static void
  57 gld_${EMULATION_NAME}_list_options (file)
  58     FILE * file;
  59 {
  60   fprintf (file, _("  --format 0|1|2         Specify which COFF version to use"));
  61 }
  62
  63 static int
  64 gld_${EMULATION_NAME}_parse_args(argc, argv)
  65      int argc;
  66      char **argv;
  67 {
  68   int longind;
  69   int optc;
  70   int prevoptind = optind;
  71   int prevopterr = opterr;
  72   int wanterror;
  73   static int lastoptind = -1;
  74
  75   if (lastoptind != optind)
  76     opterr = 0;
  77   wanterror = opterr;
  78
  79   lastoptind = optind;
  80
  81   optc = getopt_long_only (argc, argv, "-", longopts, &longind);
  82   opterr = prevopterr;
  83
  84   switch (optc)
  85     {
  86     default:
  87       if (wanterror)
  88         xexit (1);
  89       optind =  prevoptind;
  90       return 0;
  91
  92     case OPTION_COFF_FORMAT:
  93       if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
  94           && optarg[1] == '\0')
  95       {
  96         extern void lang_add_output_format
  97           PARAMS ((const char *, const char *, const char *, int));
  98         static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
  99         coff_version = *optarg - '0';
 100         buf[4] = *optarg;
 101         lang_add_output_format (buf, NULL, NULL, 0);
 102       }
 103       else
 104         {
 105           einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
 106
 107         }
 108       break;
 109     }
 110   return 1;
 111 }
 112
 113 static void
 114 gld_${EMULATION_NAME}_before_parse()
 115 {
 116 #ifndef TARGET_                 /* I.e., if not generic.  */
 117   ldfile_set_output_arch ("`echo ${ARCH}`");
 118 #endif /* not TARGET_ */
 119 }
 120
 121 static char *
 122 gld_${EMULATION_NAME}_get_script (isfile)
 123      int *isfile;
 124 EOF
 125 if test -n "$COMPILE_IN"
 126 then
 127 # Scripts compiled in.
 128
 129 # sed commands to quote an ld script as a C string.
 130 sc='s/["\\]/\\&/g
 131 s/$/\\n\\/
 132 1s/^/"/
 133 $s/$/n"/
 134 '
 135 cat >>e${EMULATION_NAME}.c <<EOF
 136 {
 137   *isfile = 0;
 138   if (link_info.relocateable == true && config.build_constructors == true)
 139     return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
 140   else if (link_info.relocateable == true)
 141     return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
 142   else if (!config.text_read_only)
 143     return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
 144   else if (!config.magic_demand_paged)
 145     return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
 146   else
 147     return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
 148 }
 149 EOF
 150
 151 else
 152 # Scripts read from the filesystem.
 153
 154 cat >>e${EMULATION_NAME}.c <<EOF
 155 {
 156   *isfile = 1;
 157
 158   if (link_info.relocateable == true && config.build_constructors == true)
 159     return "ldscripts/${EMULATION_NAME}.xu";
 160   else if (link_info.relocateable == true)
 161     return "ldscripts/${EMULATION_NAME}.xr";
 162   else if (!config.text_read_only)
 163     return "ldscripts/${EMULATION_NAME}.xbn";
 164   else if (!config.magic_demand_paged)
 165     return "ldscripts/${EMULATION_NAME}.xn";
 166   else
 167     return "ldscripts/${EMULATION_NAME}.x";
 168 }
 169 EOF
 170
 171 fi
 172
 173 cat >>e${EMULATION_NAME}.c <<EOF
 174 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 175 {
 176   gld_${EMULATION_NAME}_before_parse,
 177   syslib_default,
 178   hll_default,
 179   after_parse_default,
 180   after_open_default,
 181   after_allocation_default,
 182   set_output_arch_default,
 183   ldemul_default_target,
 184   before_allocation_default,
 185   gld_${EMULATION_NAME}_get_script,
 186   "${EMULATION_NAME}",
 187   "${OUTPUT_FORMAT}",
 188   NULL, /* finish */
 189   NULL, /* create output section statements */
 190   NULL, /* open dynamic archive */
 191   NULL, /* place orphan */
 192   NULL, /* set_symbols */
 193   gld_${EMULATION_NAME}_parse_args,
 194   NULL, /* unrecognized_file */
 195   gld_${EMULATION_NAME}_list_options,
 196   NULL, /* recognized file */
 197   NULL, /* find_potential_libraries */
 198 };
 199 EOF