src/runtime/undefineds.c

   1 /*
   2  * routines that must be linked into the core for Lisp to work
   3  */
   4
   5 /*
   6  * This software is part of the SBCL system. See the README file for
   7  * more information.
   8  *
   9  * This software is derived from the CMU CL system, which was
  10  * written at Carnegie Mellon University and released into the
  11  * public domain. The software is in the public domain and is
  12  * provided with absolutely no warranty. See the COPYING and CREDITS
  13  * files for more information.
  14  */
  15
  16 #ifdef sun
  17 #ifndef MACH
  18 #if !defined(SUNOS) && !defined(SOLARIS)
  19 #define SUNOS
  20 #endif
  21 #endif
  22 #endif
  23
  24 typedef int func();
  25
  26 extern func
  27 #define F(x) x,
  28 #if !(defined(irix) || defined(SOLARIS))
  29 /* XXXfixme next line probably wrong; was previous behavior */
  30 #define D(x) x,
  31 #else
  32 #define D(x)
  33 #endif
  34 #include "undefineds.h"
  35 #undef F
  36 #undef D
  37 exit; /* just some function known to exist */
  38
  39 #if defined(SOLARIS) || defined(irix)
  40
  41 #ifdef irix
  42 int errno; /* hack to be sure works with newer libc without having to redump */
  43            /* causes libc to be relocated to match cmucl rather than vice
  44             * versa */
  45 #endif
  46
  47 extern int
  48 #define F(x)
  49 #define D(x) x,
  50 #include "undefineds.h"
  51 #undef F
  52 #undef D
  53 errno;                          /* a variable known to exist */
  54
  55 int reference_random_symbols(void) {
  56    int a;
  57 #define F(x) x();
  58 #define D(x) a+=x;
  59 #include "undefineds.h"
  60 #undef F
  61 #undef D
  62    return a;
  63    }
  64
  65 #else
  66
  67 func *reference_random_symbols[] = {
  68 #define F(x) x,
  69    /* XXXfixme Next line is probably wrong but was previous behavior. */
  70 #define D(x) x,
  71 #include "undefineds.h"
  72 #undef F
  73 #undef D
  74    exit                         /* a function known to exist */
  75 };
  76
  77 #endif