ld/emultempl/gld960.em

   1 # This shell script emits a C file. -*- C -*-
   2 # It does some substitutions.
   3 fragment <<EOF
   4 /* Copyright (C) 1991-2015 Free Software Foundation, Inc.
   5
   6    This file is part of the GNU Binutils.
   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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  21    MA 02110-1301, USA.  */
  22
  23
  24 /* Emulate the Intel's port of  gld.  */
  25
  26 #include "sysdep.h"
  27 #include "bfd.h"
  28 #include "libiberty.h"
  29 #include "bfdlink.h"
  30
  31 #include "ld.h"
  32 #include "ldmisc.h"
  33 #include "ldmain.h"
  34
  35 #include "ldexp.h"
  36 #include "ldlang.h"
  37 #include "ldfile.h"
  38 #include "ldemul.h"
  39
  40 static void gld960_before_parse (void)
  41 {
  42   char *env ;
  43   env =  getenv("G960LIB");
  44   if (env) {
  45     ldfile_add_library_path(env, FALSE);
  46   }
  47   env = getenv("G960BASE");
  48   if (env)
  49     ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), FALSE);
  50   ldfile_output_architecture = bfd_arch_i960;
  51 }
  52
  53 static void
  54 gld960_set_output_arch (void)
  55 {
  56   bfd_set_arch_mach (link_info.output_bfd,
  57                      ldfile_output_architecture, bfd_mach_i960_core);
  58 }
  59
  60 static char *
  61 gld960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
  62 {
  63   char *from_outside = getenv(TARGET_ENVIRON);
  64   output_filename = "b.out";
  65
  66   if (from_outside != (char *)NULL)
  67     return from_outside;
  68
  69   return "b.out.little";
  70 }
  71
  72 static char *
  73 gld960_get_script (int *isfile)
  74 EOF
  75
  76 if test x"$COMPILE_IN" = xyes
  77 then
  78 # Scripts compiled in.
  79
  80 # sed commands to quote an ld script as a C string.
  81 sc="-f stringify.sed"
  82
  83 fragment <<EOF
  84 {
  85   *isfile = 0;
  86
  87   if (link_info.relocatable && config.build_constructors)
  88     return
  89 EOF
  90 sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
  91 echo '  ; else if (link_info.relocatable) return'     >> e${EMULATION_NAME}.c
  92 sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
  93 echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
  94 sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
  95 echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
  96 sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
  97 echo '  ; else return'                                 >> e${EMULATION_NAME}.c
  98 sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
  99 echo '; }'                                             >> e${EMULATION_NAME}.c
 100
 101 else
 102 # Scripts read from the filesystem.
 103
 104 fragment <<EOF
 105 {
 106   *isfile = 1;
 107
 108   if (link_info.relocatable && config.build_constructors)
 109     return "ldscripts/${EMULATION_NAME}.xu";
 110   else if (link_info.relocatable)
 111     return "ldscripts/${EMULATION_NAME}.xr";
 112   else if (!config.text_read_only)
 113     return "ldscripts/${EMULATION_NAME}.xbn";
 114   else if (!config.magic_demand_paged)
 115     return "ldscripts/${EMULATION_NAME}.xn";
 116   else
 117     return "ldscripts/${EMULATION_NAME}.x";
 118 }
 119 EOF
 120
 121 fi
 122
 123 fragment <<EOF
 124
 125 struct ld_emulation_xfer_struct ld_gld960_emulation =
 126 {
 127   gld960_before_parse,
 128   syslib_default,
 129   hll_default,
 130   after_parse_default,
 131   after_open_default,
 132   after_allocation_default,
 133   gld960_set_output_arch,
 134   gld960_choose_target,
 135   before_allocation_default,
 136   gld960_get_script,
 137   "960",
 138   "",
 139   finish_default,
 140   NULL, /* create output section statements */
 141   NULL, /* open dynamic archive */
 142   NULL, /* place orphan */
 143   NULL, /* set symbols */
 144   NULL, /* parse args */
 145   NULL, /* add_options */
 146   NULL, /* handle_option */
 147   NULL, /* unrecognized file */
 148   NULL, /* list options */
 149   NULL, /* recognized file */
 150   NULL, /* find_potential_libraries */
 151   NULL, /* new_vers_pattern */
 152   NULL  /* extra_map_file_text */
 153 };
 154 EOF