ld/emultempl/ticoff.em

   1 # This shell script emits a C file. -*- C -*-
   2 # It does some substitutions.
   3 (echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
   4 fragment <<EOF
   5 /* This file is part of GLD, the Gnu Linker.
   6    Copyright 1999, 2000, 2002, 2003, 2004, 2005, 2007
   7    Free Software Foundation, Inc.
   8
   9    This file is part of the GNU Binutils.
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software
  23    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  24    MA 02110-1301, USA.  */
  25
  26 /* For TI COFF */
  27 /* Need to determine load and run pages for output sections */
  28
  29 #define TARGET_IS_${EMULATION_NAME}
  30
  31 #include "sysdep.h"
  32 #include "bfd.h"
  33 #include "bfdlink.h"
  34 #include "getopt.h"
  35
  36 #include "ld.h"
  37 #include "ldmain.h"
  38 #include "ldmisc.h"
  39 #include "ldexp.h"
  40 #include "ldlang.h"
  41 #include "ldfile.h"
  42 #include "ldemul.h"
  43
  44 static int coff_version;
  45
  46 /* TI COFF extra command line options */
  47 #define OPTION_COFF_FORMAT              (300 + 1)
  48
  49 static void
  50 gld${EMULATION_NAME}_add_options
  51   (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
  52    struct option **longopts, int nrl ATTRIBUTE_UNUSED,
  53    struct option **really_longopts ATTRIBUTE_UNUSED)
  54 {
  55   static const struct option xtra_long[] = {
  56     /* TI COFF options */
  57     {"format", required_argument, NULL, OPTION_COFF_FORMAT },
  58     {NULL, no_argument, NULL, 0}
  59   };
  60
  61   *longopts = (struct option *)
  62     xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
  63   memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
  64 }
  65
  66 static void
  67 gld_${EMULATION_NAME}_list_options (FILE * file)
  68 {
  69   fprintf (file, _("  --format 0|1|2              Specify which COFF version to use\n"));
  70 }
  71
  72 static bfd_boolean
  73 gld${EMULATION_NAME}_handle_option (int optc)
  74 {
  75   switch (optc)
  76     {
  77     default:
  78       return FALSE;
  79
  80     case OPTION_COFF_FORMAT:
  81       if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
  82           && optarg[1] == '\0')
  83       {
  84         static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
  85         coff_version = *optarg - '0';
  86         buf[4] = *optarg;
  87         lang_add_output_format (buf, NULL, NULL, 0);
  88       }
  89       else
  90         {
  91           einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
  92         }
  93       break;
  94     }
  95   return FALSE;
  96 }
  97
  98 static void
  99 gld_${EMULATION_NAME}_before_parse(void)
 100 {
 101 #ifndef TARGET_                 /* I.e., if not generic.  */
 102   ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
 103 #endif /* not TARGET_ */
 104 }
 105
 106 static char *
 107 gld_${EMULATION_NAME}_get_script (int *isfile)
 108 EOF
 109 if test -n "$COMPILE_IN"
 110 then
 111 # Scripts compiled in.
 112
 113 # sed commands to quote an ld script as a C string.
 114 sc='s/["\\]/\\&/g
 115 s/$/\\n\\/
 116 1s/^/"/
 117 $s/$/n"/
 118 '
 119 fragment <<EOF
 120 {
 121   *isfile = 0;
 122   if (link_info.relocatable && config.build_constructors)
 123     return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
 124   else if (link_info.relocatable)
 125     return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
 126   else if (!config.text_read_only)
 127     return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
 128   else if (!config.magic_demand_paged)
 129     return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
 130   else
 131     return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
 132 }
 133 EOF
 134
 135 else
 136 # Scripts read from the filesystem.
 137
 138 fragment <<EOF
 139 {
 140   *isfile = 1;
 141
 142   if (link_info.relocatable && config.build_constructors)
 143     return "ldscripts/${EMULATION_NAME}.xu";
 144   else if (link_info.relocatable)
 145     return "ldscripts/${EMULATION_NAME}.xr";
 146   else if (!config.text_read_only)
 147     return "ldscripts/${EMULATION_NAME}.xbn";
 148   else if (!config.magic_demand_paged)
 149     return "ldscripts/${EMULATION_NAME}.xn";
 150   else
 151     return "ldscripts/${EMULATION_NAME}.x";
 152 }
 153 EOF
 154
 155 fi
 156
 157 fragment <<EOF
 158 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 159 {
 160   gld_${EMULATION_NAME}_before_parse,
 161   syslib_default,
 162   hll_default,
 163   after_parse_default,
 164   after_open_default,
 165   after_allocation_default,
 166   set_output_arch_default,
 167   ldemul_default_target,
 168   before_allocation_default,
 169   gld_${EMULATION_NAME}_get_script,
 170   "${EMULATION_NAME}",
 171   "${OUTPUT_FORMAT}",
 172   finish_default,
 173   NULL, /* create output section statements */
 174   NULL, /* open dynamic archive */
 175   NULL, /* place orphan */
 176   NULL, /* set_symbols */
 177   NULL, /* parse_args */
 178   gld${EMULATION_NAME}_add_options,
 179   gld${EMULATION_NAME}_handle_option,
 180   NULL, /* unrecognized_file */
 181   gld_${EMULATION_NAME}_list_options,
 182   NULL, /* recognized file */
 183   NULL, /* find_potential_libraries */
 184   NULL  /* new_vers_pattern */
 185 };
 186 EOF