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Text File  |  1996-07-04  |  3.6 KB  |  119 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 "ldmain.h"
  34. #include "ldemul.h"
  35. #include "ldfile.h"
  36. #include "ldmisc.h"
  37.  
  38. static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
  39. static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
  40.  
  41. static void
  42. gld${EMULATION_NAME}_before_parse()
  43. {
  44. #ifndef TARGET_            /* I.e., if not generic.  */
  45.   ldfile_set_output_arch ("`echo ${ARCH}`");
  46. #endif /* not TARGET_ */
  47. }
  48.  
  49. static char *
  50. gld${EMULATION_NAME}_get_script(isfile)
  51.      int *isfile;
  52. EOF
  53.  
  54. if test -n "$COMPILE_IN"
  55. then
  56. # Scripts compiled in.
  57.  
  58. # sed commands to quote an ld script as a C string.
  59. sc="-f ${srcdir}/emultempl/stringify.sed"
  60.  
  61. cat >>e${EMULATION_NAME}.c <<EOF
  62. {                 
  63.   *isfile = 0;
  64.  
  65.   if (link_info.relocateable == true && config.build_constructors == true)
  66.     return
  67. EOF
  68. sed $sc ldscripts/${EMULATION_NAME}.xu                     >> e${EMULATION_NAME}.c
  69. echo '  ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
  70. sed $sc ldscripts/${EMULATION_NAME}.xr                     >> e${EMULATION_NAME}.c
  71. echo '  ; else if (!config.text_read_only) return'         >> e${EMULATION_NAME}.c
  72. sed $sc ldscripts/${EMULATION_NAME}.xbn                    >> e${EMULATION_NAME}.c
  73. echo '  ; else if (!config.magic_demand_paged) return'     >> e${EMULATION_NAME}.c
  74. sed $sc ldscripts/${EMULATION_NAME}.xn                     >> e${EMULATION_NAME}.c
  75. echo '  ; else return'                                     >> e${EMULATION_NAME}.c
  76. sed $sc ldscripts/${EMULATION_NAME}.x                      >> e${EMULATION_NAME}.c
  77. echo '; }'                                                 >> e${EMULATION_NAME}.c
  78.  
  79. else
  80. # Scripts read from the filesystem.
  81.  
  82. cat >>e${EMULATION_NAME}.c <<EOF
  83. {                 
  84.   *isfile = 1;
  85.  
  86.   if (link_info.relocateable == true && config.build_constructors == true)
  87.     return "ldscripts/${EMULATION_NAME}.xu";
  88.   else if (link_info.relocateable == true)
  89.     return "ldscripts/${EMULATION_NAME}.xr";
  90.   else if (!config.text_read_only)
  91.     return "ldscripts/${EMULATION_NAME}.xbn";
  92.   else if (!config.magic_demand_paged)
  93.     return "ldscripts/${EMULATION_NAME}.xn";
  94.   else
  95.     return "ldscripts/${EMULATION_NAME}.x";
  96. }
  97. EOF
  98.  
  99. fi
  100.  
  101. cat >>e${EMULATION_NAME}.c <<EOF
  102.  
  103. struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = 
  104. {
  105.   gld${EMULATION_NAME}_before_parse,
  106.   syslib_default,
  107.   hll_default,
  108.   after_parse_default,
  109.   after_open_default,
  110.   after_allocation_default,
  111.   set_output_arch_default,
  112.   ldemul_default_target,
  113.   before_allocation_default,
  114.   gld${EMULATION_NAME}_get_script,
  115.   "${EMULATION_NAME}",
  116.   "${OUTPUT_FORMAT}"
  117. };
  118. EOF
  119.