ld/ldvanilla.c

   1 /* A vanilla emulation with no defaults
   2    Copyright (C) 1991 Free Software Foundation, Inc.
   3    Written by Steve Chamberlain steve@cygnus.com
   4
   5 This file is part of GLD, the Gnu Linker.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 /*
  22  *  $Id$
  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 extern  boolean lang_float_flag;
  36
  37
  38 extern enum bfd_architecture ldfile_output_architecture;
  39 extern unsigned long ldfile_output_machine;
  40 extern char *ldfile_output_machine_name;
  41
  42 extern bfd *output_bfd;
  43
  44
  45
  46 static void vanilla_before_parse()
  47 {
  48 }
  49
  50
  51 static void
  52 vanilla_after_parse()
  53 {
  54
  55 }
  56
  57 static void
  58 vanilla_after_allocation()
  59 {
  60
  61 }
  62
  63 static void
  64 vanilla_before_allocation()
  65 {
  66
  67 }
  68
  69
  70 static void
  71 vanilla_set_output_arch()
  72 {
  73   /* Set the output architecture and machine if possible */
  74   unsigned long  machine = 0;
  75   bfd_set_arch_mach(output_bfd, ldfile_output_architecture, machine);
  76 }
  77
  78 static char *
  79 vanilla_choose_target()
  80 {
  81   char *from_outside = getenv(TARGET_ENVIRON);
  82   if (from_outside != (char *)NULL)
  83     return from_outside;
  84   return VANILLA_TARGET;
  85 }
  86
  87 static void
  88 vanilla_syslib()
  89 {
  90   info("%S SYSLIB ignored\n");
  91 }
  92
  93 static void
  94 vanilla_hll(ignore)
  95 char  *ignore;
  96 {
  97   info("%S HLL ignored\n");
  98 }
  99
 100
 101 static char *vanilla_get_script()
 102 {
 103 return "";
 104 }
 105
 106 struct ld_emulation_xfer_struct ld_vanilla_emulation =
 107 {
 108   vanilla_before_parse,
 109   vanilla_syslib,
 110   vanilla_hll,
 111   vanilla_after_parse,
 112   vanilla_after_allocation,
 113   vanilla_set_output_arch,
 114   vanilla_choose_target,
 115   vanilla_before_allocation,
 116   vanilla_get_script,
 117 };
 118