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