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