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8f5cfc81 | 1 | /* Copyright (C) 2001 Free Software Foundation, Inc. |
a98cef7e KN |
2 | * |
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) | |
6 | * any later version. | |
7a0d0cee | 7 | * |
a98cef7e KN |
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. | |
7a0d0cee | 12 | * |
a98cef7e KN |
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 | |
17 | * | |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
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. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
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. | |
37 | * | |
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. */ | |
41 | ||
8f5cfc81 KN |
42 | #ifndef _SCM_VM_H_ |
43 | #define _SCM_VM_H_ | |
a98cef7e KN |
44 | |
45 | #include <libguile.h> | |
22f4ee48 | 46 | #include <libguile/programs.h> |
a98cef7e | 47 | |
17e90c5e KN |
48 | #define SCM_VM_BOOT_HOOK 0 |
49 | #define SCM_VM_HALT_HOOK 1 | |
50 | #define SCM_VM_NEXT_HOOK 2 | |
7a0d0cee KN |
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 | |
a98cef7e | 57 | |
17e90c5e KN |
58 | struct scm_vm { |
59 | scm_byte_t *ip; /* instruction pointer */ | |
60 | SCM *sp; /* stack pointer */ | |
61 | SCM *fp; /* frame pointer */ | |
62 | size_t stack_size; /* stack size */ | |
63 | SCM *stack_base; /* stack base address */ | |
64 | SCM *stack_limit; /* stack limit address */ | |
65 | SCM hooks[SCM_VM_NUM_HOOKS]; /* hooks */ | |
66 | SCM options; /* options */ | |
17e90c5e KN |
67 | unsigned long time; /* time spent */ |
68 | unsigned long clock; /* bogos clock */ | |
b1b942b7 | 69 | SCM trace_frame; /* a frame being traced */ |
17e90c5e | 70 | }; |
a98cef7e | 71 | |
7bbed518 AW |
72 | extern SCM scm_the_vm_fluid; |
73 | ||
17e90c5e KN |
74 | #define SCM_VM_P(x) SCM_SMOB_PREDICATE (scm_tc16_vm, x) |
75 | #define SCM_VM_DATA(vm) ((struct scm_vm *) SCM_SMOB_DATA (vm)) | |
76 | #define SCM_VALIDATE_VM(pos,x) SCM_MAKE_VALIDATE (pos, x, VM_P) | |
a98cef7e | 77 | |
499a4c07 | 78 | extern SCM scm_the_vm (); |
17e90c5e KN |
79 | extern SCM scm_make_vm (void); |
80 | extern SCM scm_vm_apply (SCM vm, SCM program, SCM args); | |
81 | extern SCM scm_vm_option_ref (SCM vm, SCM key); | |
82 | extern SCM scm_vm_option_set_x (SCM vm, SCM key, SCM val); | |
a98cef7e | 83 | |
fcd4901b AW |
84 | extern SCM scm_vm_version (void); |
85 | extern SCM scm_the_vm (void); | |
86 | extern SCM scm_vm_p (SCM obj); | |
87 | extern SCM scm_vm_ip (SCM vm); | |
88 | extern SCM scm_vm_sp (SCM vm); | |
89 | extern SCM scm_vm_fp (SCM vm); | |
90 | extern SCM scm_vm_boot_hook (SCM vm); | |
91 | extern SCM scm_vm_halt_hook (SCM vm); | |
92 | extern SCM scm_vm_next_hook (SCM vm); | |
93 | extern SCM scm_vm_break_hook (SCM vm); | |
94 | extern SCM scm_vm_enter_hook (SCM vm); | |
95 | extern SCM scm_vm_apply_hook (SCM vm); | |
96 | extern SCM scm_vm_exit_hook (SCM vm); | |
97 | extern SCM scm_vm_return_hook (SCM vm); | |
98 | extern SCM scm_vm_option (SCM vm, SCM key); | |
99 | extern SCM scm_set_vm_option_x (SCM vm, SCM key, SCM val); | |
100 | extern SCM scm_vm_stats (SCM vm); | |
b1b942b7 AW |
101 | extern SCM scm_vm_trace_frame (SCM vm); |
102 | ||
103 | struct scm_vm_cont { | |
104 | scm_byte_t *ip; | |
7aa6f86b AW |
105 | SCM *sp; |
106 | SCM *fp; | |
b1b942b7 AW |
107 | scm_t_ptrdiff stack_size; |
108 | SCM *stack_base; | |
109 | scm_t_ptrdiff reloc; | |
110 | }; | |
111 | ||
112 | extern scm_t_bits scm_tc16_vm_cont; | |
113 | #define SCM_VM_CONT_P(OBJ) SCM_SMOB_PREDICATE (scm_tc16_vm_cont, OBJ) | |
114 | #define SCM_VM_CONT_DATA(CONT) ((struct scm_vm_cont *) SCM_CELL_WORD_1 (CONT)) | |
fcd4901b | 115 | |
bfffd258 AW |
116 | extern SCM scm_vm_capture_continuations (void); |
117 | extern void scm_vm_reinstate_continuations (SCM conts); | |
118 | ||
07e56b27 AW |
119 | extern SCM scm_load_compiled_with_vm (SCM file); |
120 | ||
17e90c5e | 121 | extern void scm_init_vm (void); |
a98cef7e | 122 | |
8f5cfc81 | 123 | #endif /* _SCM_VM_H_ */ |
a98cef7e | 124 | |
17e90c5e KN |
125 | /* |
126 | Local Variables: | |
127 | c-file-style: "gnu" | |
128 | End: | |
129 | */ |