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510ca126 | 1 | /* Copyright (C) 2001, 2009, 2012 Free Software Foundation, Inc. |
17e90c5e | 2 | * |
560b9c25 | 3 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
4 | * modify it under the terms of the GNU Lesser General Public License |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
17e90c5e | 7 | * |
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8 | * This library is distributed in the hope that it will be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
560b9c25 AW |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. | |
17e90c5e | 12 | * |
560b9c25 AW |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
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15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
16 | * 02110-1301 USA | |
560b9c25 | 17 | */ |
17e90c5e | 18 | |
8f5cfc81 KN |
19 | #ifndef _SCM_INSTRUCTIONS_H_ |
20 | #define _SCM_INSTRUCTIONS_H_ | |
17e90c5e KN |
21 | |
22 | #include <libguile.h> | |
510ca126 AW |
23 | #include <libguile/vm-operations.h> |
24 | ||
25 | enum scm_rtl_opcode | |
26 | { | |
27 | #define ENUM(opcode, tag, name, meta) scm_rtl_op_##tag = opcode, | |
28 | FOR_EACH_VM_OPERATION(ENUM) | |
29 | #undef ENUM | |
30 | }; | |
31 | ||
062888f7 | 32 | #define SCM_PACK_RTL_8_8_8(op,a,b,c) ((op) | ((a) << 8) | ((b) << 16) | ((c) << 24)) |
510ca126 | 33 | #define SCM_PACK_RTL_8_16(op,a,b) ((op) | ((a) << 8) | ((b) << 16)) |
062888f7 | 34 | #define SCM_PACK_RTL_16_8(op,a,b) ((op) | ((a) << 8) | ((b) << 24)) |
510ca126 AW |
35 | #define SCM_PACK_RTL_24(op,a) ((op) | ((a) << 8)) |
36 | ||
37 | #define SCM_UNPACK_RTL_8_8_8(op,a,b,c) \ | |
38 | do \ | |
39 | { \ | |
40 | a = (op >> 8) & 0xff; \ | |
41 | b = (op >> 16) & 0xff; \ | |
42 | c = op >> 24; \ | |
43 | } \ | |
44 | while (0) | |
45 | ||
46 | #define SCM_UNPACK_RTL_8_16(op,a,b) \ | |
47 | do \ | |
48 | { \ | |
49 | a = (op >> 8) & 0xff; \ | |
50 | b = op >> 16; \ | |
51 | } \ | |
52 | while (0) | |
53 | ||
54 | #define SCM_UNPACK_RTL_16_8(op,a,b) \ | |
55 | do \ | |
56 | { \ | |
57 | a = (op >> 8) & 0xffff; \ | |
58 | b = op >> 24; \ | |
59 | } \ | |
60 | while (0) | |
61 | ||
62 | #define SCM_UNPACK_RTL_12_12(op,a,b) \ | |
63 | do \ | |
64 | { \ | |
65 | a = (op >> 8) & 0xfff; \ | |
66 | b = op >> 20; \ | |
67 | } \ | |
68 | while (0) | |
69 | ||
70 | #define SCM_UNPACK_RTL_24(op,a) \ | |
71 | do \ | |
72 | { \ | |
73 | a = op >> 8; \ | |
74 | } \ | |
75 | while (0) | |
17e90c5e | 76 | |
e6eb2467 | 77 | #define SCM_VM_NUM_INSTRUCTIONS (1<<8) |
53e28ed9 AW |
78 | #define SCM_VM_INSTRUCTION_MASK (SCM_VM_NUM_INSTRUCTIONS-1) |
79 | ||
17e90c5e KN |
80 | enum scm_opcode { |
81 | #define VM_INSTRUCTION_TO_OPCODE 1 | |
aeeff258 AW |
82 | #include <libguile/vm-expand.h> |
83 | #include <libguile/vm-i-system.i> | |
84 | #include <libguile/vm-i-scheme.i> | |
85 | #include <libguile/vm-i-loader.i> | |
17e90c5e | 86 | #undef VM_INSTRUCTION_TO_OPCODE |
17e90c5e KN |
87 | }; |
88 | ||
510ca126 AW |
89 | SCM_INTERNAL SCM scm_rtl_instruction_list (void); |
90 | ||
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91 | SCM_API SCM scm_instruction_list (void); |
92 | SCM_API SCM scm_instruction_p (SCM obj); | |
93 | SCM_API SCM scm_instruction_length (SCM inst); | |
94 | SCM_API SCM scm_instruction_pops (SCM inst); | |
95 | SCM_API SCM scm_instruction_pushes (SCM inst); | |
96 | SCM_API SCM scm_instruction_to_opcode (SCM inst); | |
97 | SCM_API SCM scm_opcode_to_instruction (SCM op); | |
fcd4901b | 98 | |
560b9c25 AW |
99 | SCM_INTERNAL void scm_bootstrap_instructions (void); |
100 | SCM_INTERNAL void scm_init_instructions (void); | |
17e90c5e | 101 | |
8f5cfc81 | 102 | #endif /* _SCM_INSTRUCTIONS_H_ */ |
17e90c5e KN |
103 | |
104 | /* | |
105 | Local Variables: | |
106 | c-file-style: "gnu" | |
107 | End: | |
108 | */ |