1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/* Copyright (C) 2001, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef _SCM_VM_H_
#define _SCM_VM_H_
#include <libguile.h>
#include <libguile/programs.h>
#define SCM_VM_BOOT_HOOK 0
#define SCM_VM_HALT_HOOK 1
#define SCM_VM_NEXT_HOOK 2
#define SCM_VM_BREAK_HOOK 3
#define SCM_VM_ENTER_HOOK 4
#define SCM_VM_APPLY_HOOK 5
#define SCM_VM_EXIT_HOOK 6
#define SCM_VM_RETURN_HOOK 7
#define SCM_VM_NUM_HOOKS 8
struct scm_vm;
typedef SCM (*scm_t_vm_engine) (struct scm_vm *vp, SCM program, SCM *argv, int nargs);
#define SCM_VM_REGULAR_ENGINE 0
#define SCM_VM_DEBUG_ENGINE 1
#define SCM_VM_NUM_ENGINES 2
struct scm_vm {
scm_t_uint8 *ip; /* instruction pointer */
SCM *sp; /* stack pointer */
SCM *fp; /* frame pointer */
size_t stack_size; /* stack size */
SCM *stack_base; /* stack base address */
SCM *stack_limit; /* stack limit address */
int engine; /* which vm engine we're using */
SCM hooks[SCM_VM_NUM_HOOKS]; /* hooks */
SCM options; /* options */
unsigned long time; /* time spent */
unsigned long clock; /* bogos clock */
SCM trace_frame; /* a frame being traced */
};
SCM_API SCM scm_the_vm_fluid;
#define SCM_VM_P(x) SCM_SMOB_PREDICATE (scm_tc16_vm, x)
#define SCM_VM_DATA(vm) ((struct scm_vm *) SCM_SMOB_DATA (vm))
#define SCM_VALIDATE_VM(pos,x) SCM_MAKE_VALIDATE (pos, x, VM_P)
SCM_API SCM scm_the_vm ();
SCM_API SCM scm_make_vm (void);
SCM_API SCM scm_vm_apply (SCM vm, SCM program, SCM args);
SCM_API SCM scm_c_vm_run (SCM vm, SCM program, SCM *argv, int nargs);
SCM_API SCM scm_vm_call_with_new_stack (SCM vm, SCM thunk, SCM id);
SCM_API SCM scm_vm_option_ref (SCM vm, SCM key);
SCM_API SCM scm_vm_option_set_x (SCM vm, SCM key, SCM val);
SCM_API SCM scm_vm_version (void);
SCM_API SCM scm_the_vm (void);
SCM_API SCM scm_vm_p (SCM obj);
SCM_API SCM scm_vm_ip (SCM vm);
SCM_API SCM scm_vm_sp (SCM vm);
SCM_API SCM scm_vm_fp (SCM vm);
SCM_API SCM scm_vm_boot_hook (SCM vm);
SCM_API SCM scm_vm_halt_hook (SCM vm);
SCM_API SCM scm_vm_next_hook (SCM vm);
SCM_API SCM scm_vm_break_hook (SCM vm);
SCM_API SCM scm_vm_enter_hook (SCM vm);
SCM_API SCM scm_vm_apply_hook (SCM vm);
SCM_API SCM scm_vm_exit_hook (SCM vm);
SCM_API SCM scm_vm_return_hook (SCM vm);
SCM_API SCM scm_vm_option (SCM vm, SCM key);
SCM_API SCM scm_set_vm_option_x (SCM vm, SCM key, SCM val);
SCM_API SCM scm_vm_stats (SCM vm);
SCM_API SCM scm_vm_trace_frame (SCM vm);
struct scm_vm_cont {
scm_t_uint8 *ip;
SCM *sp;
SCM *fp;
scm_t_ptrdiff stack_size;
SCM *stack_base;
scm_t_ptrdiff reloc;
};
SCM_API scm_t_bits scm_tc16_vm_cont;
#define SCM_VM_CONT_P(OBJ) SCM_SMOB_PREDICATE (scm_tc16_vm_cont, OBJ)
#define SCM_VM_CONT_DATA(CONT) ((struct scm_vm_cont *) SCM_CELL_WORD_1 (CONT))
SCM_API SCM scm_vm_capture_continuations (void);
SCM_API void scm_vm_reinstate_continuations (SCM conts);
SCM_API SCM scm_load_compiled_with_vm (SCM file);
SCM_INTERNAL void scm_init_vm (void);
#endif /* _SCM_VM_H_ */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
|