src/runtime/globals.h

   1 /*
   2  * This software is part of the SBCL system. See the README file for
   3  * more information.
   4  *
   5  * This software is derived from the CMU CL system, which was
   6  * written at Carnegie Mellon University and released into the
   7  * public domain. The software is in the public domain and is
   8  * provided with absolutely no warranty. See the COPYING and CREDITS
   9  * files for more information.
  10  */
  11
  12 #ifndef _INCLUDED_GLOBALS_H_
  13 #define _INCLUDED_GLOBALS_H_
  14
  15 #ifndef LANGUAGE_ASSEMBLY
  16 # include <sys/types.h>
  17 # include <unistd.h>
  18 # include "runtime.h"
  19 #endif
  20
  21 #include "sbcl.h"
  22
  23 #ifndef LANGUAGE_ASSEMBLY
  24 extern int foreign_function_call_active;
  25 extern boolean stop_the_world;
  26
  27 extern lispobj *current_control_stack_pointer;
  28 extern lispobj *current_control_frame_pointer;
  29 # if !defined(LISP_FEATURE_X86) && !defined(LISP_FEATURE_X86_64)
  30 extern lispobj *current_binding_stack_pointer;
  31 # endif
  32
  33 # ifndef LISP_FEATURE_GENCGC
  34 /* Beware! gencgc has also a (non-global) dynamic_space_free_pointer. */
  35 extern lispobj *dynamic_space_free_pointer;
  36 extern lispobj *current_auto_gc_trigger;
  37 # endif
  38
  39 extern lispobj *current_dynamic_space;
  40
  41 extern void globals_init(void);
  42
  43 #else /* LANGUAGE_ASSEMBLY */
  44
  45 # ifdef LISP_FEATURE_MIPS
  46 #  ifdef __linux__
  47 #   define EXTERN(name,bytes) .globl name
  48 #  else
  49 #   define EXTERN(name,bytes) .extern name bytes
  50 #  endif
  51 # endif
  52 /**/
  53 # ifdef LISP_FEATURE_SPARC
  54 #  ifdef SVR4
  55 #   define EXTERN(name,bytes) .global name
  56 #  else
  57 #   define EXTERN(name,bytes) .global _ ## name
  58 #  endif
  59 # endif
  60 /**/
  61 # ifdef LISP_FEATURE_ALPHA
  62 #  ifdef __linux__
  63 #   define EXTERN(name,bytes) .globl name
  64 #  endif
  65 # endif
  66 /**/
  67 # ifdef LISP_FEATURE_PPC
  68 #  ifdef LISP_FEATURE_DARWIN
  69 #   define EXTERN(name,bytes) .globl _/**/name
  70 #  else
  71 #   define EXTERN(name,bytes) .globl name
  72 #  endif
  73 # endif
  74 /**/
  75 # if defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64)
  76 #  define EXTERN(name,bytes) .global name
  77 # endif
  78
  79 # if defined(LISP_FEATURE_ALPHA) || defined(LISP_FEATURE_X86_64)
  80 #  define POINTERSIZE 8
  81 # else
  82 #  define POINTERSIZE 4
  83 # endif
  84
  85 EXTERN(foreign_function_call_active, 4)
  86
  87 EXTERN(current_control_stack_pointer, POINTERSIZE)
  88 EXTERN(current_control_frame_pointer, POINTERSIZE)
  89 # if !defined(LISP_FEATURE_X86) && !defined(LISP_FEATURE_X86_64)
  90 EXTERN(current_binding_stack_pointer, POINTERSIZE)
  91 # endif
  92 # ifndef LISP_FEATURE_GENCGC
  93 EXTERN(dynamic_space_free_pointer, POINTERSIZE)
  94 # endif
  95
  96 #endif /* LANGUAGE_ASSEMBLY */
  97
  98 #endif /* _INCLUDED_GLOBALS_H_ */