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, 2002, 2003 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_${EMULATION_NAME}
  26
  27 #include "bfd.h"
  28 #include "sysdep.h"
  29 #include "bfdlink.h"
  30 #include "getopt.h"
  31
  32 #include "ld.h"
  33 #include "ldmain.h"
  34 #include "ldmisc.h"
  35 #include "ldexp.h"
  36 #include "ldlang.h"
  37 #include "ldfile.h"
  38 #include "ldemul.h"
  39
  40 static int coff_version;
  41
  42 /* TI COFF extra command line options */
  43 #define OPTION_COFF_FORMAT              (300 + 1)
  44
  45 static void
  46 gld${EMULATION_NAME}_add_options
  47   (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
  48    struct option **longopts, int nrl ATTRIBUTE_UNUSED,
  49    struct option **really_longopts ATTRIBUTE_UNUSED)
  50 {
  51   static const struct option xtra_long[] = {
  52     /* TI COFF options */
  53     {"format", required_argument, NULL, OPTION_COFF_FORMAT },
  54     {NULL, no_argument, NULL, 0}
  55   };
  56
  57   *longopts = (struct option *)
  58     xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
  59   memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
  60 }
  61
  62 static void
  63 gld_${EMULATION_NAME}_list_options (FILE * file)
  64 {
  65   fprintf (file, _("  --format 0|1|2         Specify which COFF version to use\n"));
  66 }
  67
  68 static bfd_boolean
  69 gld${EMULATION_NAME}_handle_option (int optc)
  70 {
  71   switch (optc)
  72     {
  73     default:
  74       return FALSE;
  75
  76     case OPTION_COFF_FORMAT:
  77       if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
  78           && optarg[1] == '\0')
  79       {
  80         static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
  81         coff_version = *optarg - '0';
  82         buf[4] = *optarg;
  83         lang_add_output_format (buf, NULL, NULL, 0);
  84       }
  85       else
  86         {
  87           einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
  88         }
  89       break;
  90     }
  91   return FALSE;
  92 }
  93
  94 static void
  95 gld_${EMULATION_NAME}_before_parse(void)
  96 {
  97 #ifndef TARGET_                 /* I.e., if not generic.  */
  98   ldfile_set_output_arch ("`echo ${ARCH}`");
  99 #endif /* not TARGET_ */
 100 }
 101
 102 static char *
 103 gld_${EMULATION_NAME}_get_script (int *isfile)
 104 EOF
 105 if test -n "$COMPILE_IN"
 106 then
 107 # Scripts compiled in.
 108
 109 # sed commands to quote an ld script as a C string.
 110 sc='s/["\\]/\\&/g
 111 s/$/\\n\\/
 112 1s/^/"/
 113 $s/$/n"/
 114 '
 115 cat >>e${EMULATION_NAME}.c <<EOF
 116 {
 117   *isfile = 0;
 118   if (link_info.relocatable && config.build_constructors)
 119     return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
 120   else if (link_info.relocatable)
 121     return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
 122   else if (!config.text_read_only)
 123     return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
 124   else if (!config.magic_demand_paged)
 125     return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
 126   else
 127     return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
 128 }
 129 EOF
 130
 131 else
 132 # Scripts read from the filesystem.
 133
 134 cat >>e${EMULATION_NAME}.c <<EOF
 135 {
 136   *isfile = 1;
 137
 138   if (link_info.relocatable && config.build_constructors)
 139     return "ldscripts/${EMULATION_NAME}.xu";
 140   else if (link_info.relocatable)
 141     return "ldscripts/${EMULATION_NAME}.xr";
 142   else if (!config.text_read_only)
 143     return "ldscripts/${EMULATION_NAME}.xbn";
 144   else if (!config.magic_demand_paged)
 145     return "ldscripts/${EMULATION_NAME}.xn";
 146   else
 147     return "ldscripts/${EMULATION_NAME}.x";
 148 }
 149 EOF
 150
 151 fi
 152
 153 cat >>e${EMULATION_NAME}.c <<EOF
 154 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 155 {
 156   gld_${EMULATION_NAME}_before_parse,
 157   syslib_default,
 158   hll_default,
 159   after_parse_default,
 160   after_open_default,
 161   after_allocation_default,
 162   set_output_arch_default,
 163   ldemul_default_target,
 164   before_allocation_default,
 165   gld_${EMULATION_NAME}_get_script,
 166   "${EMULATION_NAME}",
 167   "${OUTPUT_FORMAT}",
 168   NULL, /* finish */
 169   NULL, /* create output section statements */
 170   NULL, /* open dynamic archive */
 171   NULL, /* place orphan */
 172   NULL, /* set_symbols */
 173   NULL, /* parse_args */
 174   gld${EMULATION_NAME}_add_options,
 175   gld${EMULATION_NAME}_handle_option,
 176   NULL, /* unrecognized_file */
 177   gld_${EMULATION_NAME}_list_options,
 178   NULL, /* recognized file */
 179   NULL, /* find_potential_libraries */
 180   NULL  /* new_vers_pattern */
 181 };
 182 EOF