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Text File  |  1996-09-28  |  3KB  |  120 lines
  1. # This shell script emits a C file. -*- C -*-
  2. # It does some substitutions.
  3. cat >e${EMULATION_NAME}.c <<EOF
  4. /* This file is is generated by a shell script.  DO NOT EDIT! */
  5.  
  6. /* emulate the original gld for the given ${EMULATION_NAME}
  7.    Copyright (C) 1991, 1993 Free Software Foundation, Inc.
  8.    Written by Steve Chamberlain steve@cygnus.com
  9.  
  10. This file is part of GLD, the Gnu Linker.
  11.  
  12. This program is free software; you can redistribute it and/or modify
  13. it under the terms of the GNU General Public License as published by
  14. the Free Software Foundation; either version 2 of the License, or
  15. (at your option) any later version.
  16.  
  17. This program is distributed in the hope that it will be useful,
  18. but WITHOUT ANY WARRANTY; without even the implied warranty of
  19. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20. GNU General Public License for more details.
  21.  
  22. You should have received a copy of the GNU General Public License
  23. along with this program; if not, write to the Free Software
  24. Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  25.  
  26. #define TARGET_IS_${EMULATION_NAME}
  27.  
  28. #include "bfd.h"
  29. #include "sysdep.h"
  30. #include "bfdlink.h"
  31.  
  32. #include "ld.h"
  33. #include "ldemul.h"
  34. #include "ldfile.h"
  35. #include "ldmisc.h"
  36. #include "ldmain.h"
  37.  
  38. static void
  39. gld${EMULATION_NAME}_before_parse()
  40. {
  41.   link_info.lprefix = "@";
  42.   link_info.lprefix_len = 1;
  43.  
  44.   ldfile_output_architecture = bfd_arch_${ARCH};
  45. }
  46.  
  47. static char *
  48. gld${EMULATION_NAME}_get_script(isfile)
  49.      int *isfile;
  50. EOF
  51.  
  52. if test -n "$COMPILE_IN"
  53. then
  54. # Scripts compiled in.
  55.  
  56. # sed commands to quote an ld script as a C string.
  57. sc='s/["\\]/\\&/g
  58. s/$/\\n\\/
  59. 1s/^/"/
  60. $s/$/n"/
  61. '
  62.  
  63. cat >>e${EMULATION_NAME}.c <<EOF
  64. {                 
  65.   *isfile = 0;
  66.  
  67.   if (link_info.relocateable == true && config.build_constructors == true)
  68.     return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
  69.   else if (link_info.relocateable == true)
  70.     return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
  71.   else if (!config.text_read_only)
  72.     return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
  73.   else if (!config.magic_demand_paged)
  74.     return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
  75.   else
  76.     return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
  77. }
  78. EOF
  79.  
  80. else
  81. # Scripts read from the filesystem.
  82.  
  83. cat >>e${EMULATION_NAME}.c <<EOF
  84. {                 
  85.   *isfile = 1;
  86.  
  87.   if (link_info.relocateable == true && config.build_constructors == true)
  88.     return "ldscripts/${EMULATION_NAME}.xu";
  89.   else if (link_info.relocateable == true)
  90.     return "ldscripts/${EMULATION_NAME}.xr";
  91.   else if (!config.text_read_only)
  92.     return "ldscripts/${EMULATION_NAME}.xbn";
  93.   else if (!config.magic_demand_paged)
  94.     return "ldscripts/${EMULATION_NAME}.xn";
  95.   else
  96.     return "ldscripts/${EMULATION_NAME}.x";
  97. }
  98. EOF
  99.  
  100. fi
  101.  
  102. cat >>e${EMULATION_NAME}.c <<EOF
  103.  
  104. struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = 
  105. {
  106.   gld${EMULATION_NAME}_before_parse,
  107.   syslib_default,
  108.   hll_default,
  109.   after_parse_default,
  110.   after_open_default,
  111.   after_allocation_default,
  112.   set_output_arch_default,
  113.   ldemul_default_target,
  114.   before_allocation_default,
  115.   gld${EMULATION_NAME}_get_script,
  116.   "${EMULATION_NAME}",
  117.   "${OUTPUT_FORMAT}"
  118. };
  119. EOF
  120.