Commit | Line | Data |
---|---|---|
a98cef7e KN |
1 | /* Copyright (C) 2000 Free Software Foundation, Inc. |
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. | |
7 | * | |
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. | |
12 | * | |
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 | ||
42 | /* This file is included in vm.c two times! */ | |
43 | ||
44 | #include "vm_engine.h" | |
45 | ||
46 | /* VM names */ | |
47 | #undef VM_NAME | |
48 | #undef VM_TABLE | |
49 | #if VM_ENGINE == SCM_VM_REGULAR_ENGINE | |
50 | #define VM_NAME scm_regular_vm | |
51 | #define VM_TABLE scm_regular_instruction_table | |
52 | #else | |
53 | #if VM_ENGINE == SCM_VM_DEBUG_ENGINE | |
54 | #define VM_NAME scm_debug_vm | |
55 | #define VM_TABLE scm_debug_instruction_table | |
56 | #endif | |
57 | #endif | |
58 | ||
59 | static SCM | |
60 | VM_NAME (SCM vm, SCM program) | |
61 | #define FUNC_NAME "vm-engine" | |
62 | { | |
63 | /* Copies of VM registers */ | |
64 | SCM ac = SCM_PACK (0); | |
65 | SCM *pc = NULL; | |
66 | SCM *sp = NULL; | |
67 | SCM *fp = NULL; | |
68 | ||
69 | /* Stack boundaries */ | |
70 | SCM *stack_base = NULL; | |
71 | SCM *stack_limit = NULL; | |
72 | ||
73 | /* Function arguments */ | |
74 | int an = 0; | |
75 | SCM a2 = SCM_PACK (0); | |
76 | SCM a3 = SCM_PACK (0); | |
77 | ||
78 | /* Miscellaneous variables */ | |
79 | SCM dynwinds = SCM_EOL; | |
80 | struct scm_vm *vmp = NULL; | |
81 | ||
82 | #if VM_USE_HOOK | |
83 | SCM hook_args = SCM_LIST1 (vm); | |
84 | #endif | |
85 | ||
86 | /* Initialize the instruction table at the first time. | |
87 | * This code must be here because the following table contains | |
88 | * pointers to the labels defined in this function. */ | |
89 | if (!VM_TABLE) | |
90 | { | |
91 | static struct scm_instruction table[] = { | |
92 | #include "vm_system.vi" | |
93 | #include "vm_scheme.vi" | |
94 | #include "vm_number.vi" | |
95 | { op_last } | |
96 | }; | |
97 | VM_TABLE = table; | |
98 | return SCM_UNSPECIFIED; | |
99 | } | |
100 | ||
101 | SCM_VALIDATE_VM (1, vm); | |
102 | SCM_VALIDATE_PROGRAM (2, program); | |
103 | ||
104 | /* Initialize the VM */ | |
105 | vmp = SCM_VM_DATA (vm); | |
106 | vmp->pc = SCM_PROGRAM_BASE (program); | |
107 | vmp->sp = vmp->stack_limit; | |
108 | LOAD (); | |
109 | ||
110 | /* top frame */ | |
111 | VM_NEW_FRAME (fp, program, SCM_BOOL_F, | |
112 | SCM_VM_MAKE_ADDRESS (0), | |
113 | SCM_VM_MAKE_ADDRESS (0)); | |
114 | ||
115 | /* Let's go! */ | |
116 | VM_BOOT_HOOK (); | |
117 | ||
118 | #ifndef HAVE_LABELS_AS_VALUES | |
119 | vm_start: switch (*pc++) { | |
120 | #endif | |
121 | ||
122 | #include "vm_system.c" | |
123 | #include "vm_scheme.c" | |
124 | #include "vm_number.c" | |
125 | ||
126 | #ifndef HAVE_LABELS_AS_VALUES | |
127 | } | |
128 | #endif | |
129 | ||
130 | abort (); /* never reached */ | |
131 | } | |
132 | #undef FUNC_NAME |