ld/ldglda29k.c

   1 /* Copyright (C) 1991 Free Software Foundation, Inc.
   2
   3 This file is part of GLD, the Gnu Linker.
   4
   5 GLD is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 1, or (at your option)
   8 any later version.
   9
  10 GLD is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with GLD; see the file COPYING.  If not, write to
  17 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  18
  19 /*
  20  *  $Id:#
  21 */
  22
  23 /*
  24  * emulate the original gld running on an a29k system
  25  *
  26  *  Written by David Wood @ New York University
  27  */
  28
  29
  30 #include "sysdep.h"
  31 #include "bfd.h"
  32
  33 #include "ld.h"
  34 #include "config.h"
  35 #include "ldemul.h"
  36 #include "ldfile.h"
  37 #include "ldmisc.h"
  38
  39 extern  boolean lang_float_flag;
  40
  41
  42 extern enum bfd_architecture ldfile_output_architecture;
  43 extern unsigned long ldfile_output_machine;
  44 extern char *ldfile_output_machine_name;
  45
  46 extern bfd *output_bfd;
  47
  48
  49
  50 static void gld29k_before_parse()
  51 {
  52 #ifndef NOTDEF          /* Cross developing for now */
  53   ldfile_add_library_path("/lib");
  54   ldfile_add_library_path("/usr/lib");
  55   ldfile_add_library_path("/usr/local/lib");
  56 #endif
  57   ldfile_output_architecture = bfd_arch_a29k;
  58 }
  59
  60
  61 static void
  62 gld29k_after_parse()
  63 {
  64
  65 }
  66
  67 static void
  68 gld29k_after_allocation()
  69 {
  70
  71 }
  72
  73 static void
  74 gld29k_before_allocation()
  75 {
  76
  77 }
  78
  79 static void
  80 gld29k_set_output_arch()
  81 {
  82   /* Set the output architecture and machine if possible */
  83   unsigned long  machine = 0;
  84   bfd_set_arch_mach(output_bfd, ldfile_output_architecture, machine);
  85 }
  86
  87 static char *
  88 gld29k_choose_target()
  89 {
  90   char *from_outside = getenv(TARGET_ENVIRON);
  91   if (from_outside != (char *)NULL)
  92     return from_outside;
  93   return GLD29K_TARGET;
  94 }
  95
  96 static void
  97 gld29k_syslib()
  98 {
  99   info("%S SYSLIB ignored\n");
 100 }
 101
 102 static void
 103 gld29k_hll(ignore)
 104 char  *ignore;
 105 {
 106   info("%S HLL ignored\n");
 107 }
 108
 109 static char *gld29k_script  =
 110 #include "ldglda29k.x"
 111 ;
 112
 113 static char *gld29k_script_option_Ur  =
 114 #include "ldglda29kUr.x"
 115 ;
 116 static char *gld29k_script_option_r  =
 117 #include "ldglda29kr.x"
 118 ;
 119 static char *gld29k_get_script()
 120 {
 121   extern ld_config_type config;
 122   if (config.relocateable_output == true &&
 123       config.build_constructors == true) {
 124     return gld29k_script_option_Ur;
 125   }
 126   if (config.relocateable_output) {
 127     return gld29k_script_option_r;
 128   }
 129
 130   return gld29k_script;
 131 }
 132 struct ld_emulation_xfer_struct ld_gld29k_emulation =
 133 {
 134   gld29k_before_parse,
 135   gld29k_syslib,
 136   gld29k_hll,
 137   gld29k_after_parse,
 138   gld29k_after_allocation,
 139   gld29k_set_output_arch,
 140   gld29k_choose_target,
 141   gld29k_before_allocation,
 142   gld29k_get_script,
 143 };
 144