ld/gld960.em

   1 cat >ld__${EMULATION_NAME}.c <<EOF
   2 /* Copyright (C) 1991 Free Software Foundation, Inc.
   3
   4 This file is part of GLD, the Gnu Linker.
   5
   6 GLD is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 1, or (at your option)
   9 any later version.
  10
  11 GLD is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GLD; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 /*
  21  * emulate the Intels port of  gld
  22  */
  23
  24
  25 #include "bfd.h"
  26 #include "sysdep.h"
  27
  28
  29 #include "ld.h"
  30 #include "config.h"
  31 #include "ldemul.h"
  32 #include "ldfile.h"
  33 #include "ldmisc.h"
  34
  35
  36 /* IMPORTS */
  37 extern char *output_filename;
  38 extern  boolean lang_float_flag;
  39
  40
  41 extern enum bfd_architecture ldfile_output_architecture;
  42 extern unsigned long ldfile_output_machine;
  43 extern char *ldfile_output_machine_name;
  44
  45 extern bfd *output_bfd;
  46
  47
  48
  49 #ifdef GNU960
  50
  51 static void
  52 gld960_before_parse()
  53 {
  54   static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
  55   char **p;
  56   char *env ;
  57
  58   for ( p = env_variables; *p; p++ ){
  59     env =  (char *) getenv(*p);
  60     if (env) {
  61       ldfile_add_library_path(concat(env,"/lib/libbout",""));
  62     }
  63   }
  64   ldfile_output_architecture = bfd_arch_i960;
  65 }
  66
  67 #else   /* not GNU960 */
  68
  69 static void gld960_before_parse()
  70 {
  71   char *env ;
  72   env =  getenv("G960LIB");
  73   if (env) {
  74     ldfile_add_library_path(env);
  75   }
  76   env = getenv("G960BASE");
  77   if (env) {
  78     ldfile_add_library_path(concat(env,"/lib",""));
  79   }
  80   ldfile_output_architecture = bfd_arch_i960;
  81 }
  82
  83 #endif  /* GNU960 */
  84
  85
  86 static void
  87 gld960_set_output_arch()
  88 {
  89   bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core);
  90 }
  91
  92 static char *
  93 gld960_choose_target()
  94 {
  95 #ifdef GNU960
  96
  97   output_filename = "b.out";
  98   return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
  99
 100 #else
 101
 102   char *from_outside = getenv(TARGET_ENVIRON);
 103   output_filename = "b.out";
 104
 105   if (from_outside != (char *)NULL)
 106     return from_outside;
 107   return "b.out.big";
 108
 109 #endif
 110 }
 111
 112 static char *script =
 113 #include "gld960.x"
 114 ;
 115
 116
 117 static char *script_reloc =
 118 #include "gld960.xr"
 119  ;
 120
 121
 122 static char *
 123 gld960_get_script()
 124 {
 125    extern ld_config_type config;
 126    if (config.relocateable_output)
 127      return script_reloc;
 128    return script;
 129
 130 }
 131
 132 struct ld_emulation_xfer_struct ld_gld960_emulation =
 133 {
 134   gld960_before_parse,
 135   syslib_default,
 136   hll_default,
 137   after_parse_default,
 138   after_allocation_default,
 139   gld960_set_output_arch,
 140   gld960_choose_target,
 141   before_allocation_default,
 142   gld960_get_script,
 143   "960",
 144   ""
 145 };
 146 EOF