1 /* Copyright (C) 2001 Free Software Foundation, Inc.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2, or (at your option)
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this software; see the file COPYING. If not, write to
15 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
16 * Boston, MA 02111-1307 USA
18 * As a special exception, the Free Software Foundation gives permission
19 * for additional uses of the text contained in its release of GUILE.
21 * The exception is that, if you link the GUILE library with other files
22 * to produce an executable, this does not by itself cause the
23 * resulting executable to be covered by the GNU General Public License.
24 * Your use of that executable is in no way restricted on account of
25 * linking the GUILE library code into it.
27 * This exception does not however invalidate any other reasons why
28 * the executable file might be covered by the GNU General Public License.
30 * This exception applies only to the code released by the
31 * Free Software Foundation under the name GUILE. If you copy
32 * code from other Free Software Foundation releases into a copy of
33 * GUILE, as the General Public License permits, the exception does
34 * not apply to the code that you add in this way. To avoid misleading
35 * anyone as to the status of such modified files, you must delete
36 * this exception notice from them.
38 * If you write modifications of your own for GUILE, it is your choice
39 * whether to permit this exception to apply to your modifications.
40 * If you do not wish that, delete this exception notice. */
46 #include <libguile/programs.h>
48 #define SCM_VM_BOOT_HOOK 0
49 #define SCM_VM_HALT_HOOK 1
50 #define SCM_VM_NEXT_HOOK 2
51 #define SCM_VM_BREAK_HOOK 3
52 #define SCM_VM_ENTER_HOOK 4
53 #define SCM_VM_APPLY_HOOK 5
54 #define SCM_VM_EXIT_HOOK 6
55 #define SCM_VM_RETURN_HOOK 7
56 #define SCM_VM_NUM_HOOKS 8
60 typedef SCM (*scm_t_vm_engine
) (struct scm_vm
*vp
, SCM program
, SCM
*argv
, int nargs
);
62 #define SCM_VM_REGULAR_ENGINE 0
63 #define SCM_VM_DEBUG_ENGINE 1
64 #define SCM_VM_NUM_ENGINES 2
67 scm_byte_t
*ip
; /* instruction pointer */
68 SCM
*sp
; /* stack pointer */
69 SCM
*fp
; /* frame pointer */
70 size_t stack_size
; /* stack size */
71 SCM
*stack_base
; /* stack base address */
72 SCM
*stack_limit
; /* stack limit address */
73 int engine
; /* which vm engine we're using */
74 SCM hooks
[SCM_VM_NUM_HOOKS
]; /* hooks */
75 SCM options
; /* options */
76 unsigned long time
; /* time spent */
77 unsigned long clock
; /* bogos clock */
78 SCM trace_frame
; /* a frame being traced */
81 extern SCM scm_the_vm_fluid
;
83 #define SCM_VM_P(x) SCM_SMOB_PREDICATE (scm_tc16_vm, x)
84 #define SCM_VM_DATA(vm) ((struct scm_vm *) SCM_SMOB_DATA (vm))
85 #define SCM_VALIDATE_VM(pos,x) SCM_MAKE_VALIDATE (pos, x, VM_P)
87 extern SCM
scm_the_vm ();
88 extern SCM
scm_make_vm (void);
89 extern SCM
scm_vm_apply (SCM vm
, SCM program
, SCM args
);
90 extern SCM
scm_c_vm_run (SCM vm
, SCM program
, SCM
*argv
, int nargs
);
91 extern SCM
scm_vm_option_ref (SCM vm
, SCM key
);
92 extern SCM
scm_vm_option_set_x (SCM vm
, SCM key
, SCM val
);
94 extern SCM
scm_vm_version (void);
95 extern SCM
scm_the_vm (void);
96 extern SCM
scm_vm_p (SCM obj
);
97 extern SCM
scm_vm_ip (SCM vm
);
98 extern SCM
scm_vm_sp (SCM vm
);
99 extern SCM
scm_vm_fp (SCM vm
);
100 extern SCM
scm_vm_boot_hook (SCM vm
);
101 extern SCM
scm_vm_halt_hook (SCM vm
);
102 extern SCM
scm_vm_next_hook (SCM vm
);
103 extern SCM
scm_vm_break_hook (SCM vm
);
104 extern SCM
scm_vm_enter_hook (SCM vm
);
105 extern SCM
scm_vm_apply_hook (SCM vm
);
106 extern SCM
scm_vm_exit_hook (SCM vm
);
107 extern SCM
scm_vm_return_hook (SCM vm
);
108 extern SCM
scm_vm_option (SCM vm
, SCM key
);
109 extern SCM
scm_set_vm_option_x (SCM vm
, SCM key
, SCM val
);
110 extern SCM
scm_vm_stats (SCM vm
);
111 extern SCM
scm_vm_trace_frame (SCM vm
);
117 scm_t_ptrdiff stack_size
;
122 extern scm_t_bits scm_tc16_vm_cont
;
123 #define SCM_VM_CONT_P(OBJ) SCM_SMOB_PREDICATE (scm_tc16_vm_cont, OBJ)
124 #define SCM_VM_CONT_DATA(CONT) ((struct scm_vm_cont *) SCM_CELL_WORD_1 (CONT))
126 extern SCM
scm_vm_capture_continuations (void);
127 extern void scm_vm_reinstate_continuations (SCM conts
);
129 extern SCM
scm_load_compiled_with_vm (SCM file
);
131 extern void scm_init_vm (void);
133 #endif /* _SCM_VM_H_ */