tools/genmodule/writegetlibbase.c

   1 /*
   2     Copyright © 2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Function to write module_getlibbase.c. Part of genmodule.
   6 */
   7
   8 #include "genmodule.h"
   9
  10 void writegetlibbase(struct config *cfg, int is_rel)
  11 {
  12     FILE *out;
  13     char line[256], *banner;
  14
  15     snprintf(line, 255, "%s/%s_%sgetlibbase.c",
  16              cfg->gendir, cfg->modulename, is_rel ? "rel" : ""
  17     );
  18     out = fopen(line, "w");
  19
  20     if (out==NULL)
  21     {
  22         perror(line);
  23         exit(20);
  24     }
  25
  26     banner = getBanner(cfg);
  27     fprintf(out, "%s\n", banner);
  28     freeBanner(banner);
  29
  30     if (!is_rel)
  31     {
  32         fprintf(out,
  33                 "extern void *%s;\n"
  34                 "\n"
  35                 "void *%s_GetLibbase(void)\n"
  36                 "{\n"
  37                 "    return %s;\n"
  38                 "}\n",
  39                 cfg->libbase,
  40                 cfg->basename,
  41                 cfg->libbase
  42         );
  43     }
  44     else /* is_rel */
  45     {
  46         fprintf(out,
  47                 "#include <exec/types.h>\n"
  48                 "void *__GM_GetBase(void);\n"
  49                 "extern IPTR %s_offset;\n"
  50                 "\n"
  51                 "void *%s_GetLibbase(void)\n"
  52                 "{\n"
  53                 "    return *((void **)((char *)__GM_GetBase()+%s_offset));\n"
  54                 "}\n",
  55                 cfg->libbase,
  56                 cfg->basename,
  57                 cfg->libbase
  58          );
  59     }
  60     fclose(out);
  61 }