577d7c6a5b721d33c7f977023936c9622017214e
[sbcl.git] / src / runtime / globals.c
1 /*
2  * variables everybody needs to look at or frob on
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 /*
17  * $Header$
18  */
19
20 #include <stdio.h>
21
22 #include "runtime.h"
23 #include "sbcl.h"
24 #include "globals.h"
25
26 int foreign_function_call_active;
27
28 lispobj *current_control_stack_pointer;
29 lispobj *current_control_frame_pointer;
30 #ifndef BINDING_STACK_POINTER
31 lispobj *current_binding_stack_pointer;
32 #endif
33
34 #ifndef ALLOCATION_POINTER
35 lispobj *dynamic_space_free_pointer;
36 #endif
37 #ifndef INTERNAL_GC_TRIGGER
38 lispobj *current_auto_gc_trigger;
39 #endif
40
41 void globals_init(void)
42 {
43     /* Space, stack, and free pointer vars are initialized by
44      * validate() and coreparse(). */
45
46 #ifndef INTERNAL_GC_TRIGGER
47     /* no GC trigger yet */
48     current_auto_gc_trigger = NULL;
49 #endif
50
51     /* Set foreign function call active. */
52     foreign_function_call_active = 1;
53
54     /* Initialize the current Lisp state. */
55 #ifndef __i386__
56     current_control_stack_pointer = (lispobj *)CONTROL_STACK_START;
57 #else
58     current_control_stack_pointer = (lispobj *)CONTROL_STACK_END;
59 #endif
60
61     current_control_frame_pointer = (lispobj *)0;
62 #ifndef BINDING_STACK_POINTER
63     current_binding_stack_pointer = BINDING_STACK_START;
64 #endif
65 }