1/*****************************************************************************/
2/* */
3/* cddefs.h */
4/* */
5/* Definitions for module constructor/destructors */
6/* */
7/* */
8/* */
9/* (C) 2000-2004 Ullrich von Bassewitz */
10/* Roemerstrasse 52 */
11/* D-70794 Filderstadt */
12/* EMail: uz@cc65.org */
13/* */
14/* */
15/* This software is provided 'as-is', without any expressed or implied */
16/* warranty. In no event will the authors be held liable for any damages */
17/* arising from the use of this software. */
18/* */
19/* Permission is granted to anyone to use this software for any purpose, */
20/* including commercial applications, and to alter it and redistribute it */
21/* freely, subject to the following restrictions: */
22/* */
23/* 1. The origin of this software must not be misrepresented; you must not */
24/* claim that you wrote the original software. If you use this software */
25/* in a product, an acknowledgment in the product documentation would be */
26/* appreciated but is not required. */
27/* 2. Altered source versions must be plainly marked as such, and must not */
28/* be misrepresented as being the original software. */
29/* 3. This notice may not be removed or altered from any source */
30/* distribution. */
31/* */
32/*****************************************************************************/
33
34
35
36#ifndef CDDEFS_H
37#define CDDEFS_H
38
39
40
41/*****************************************************************************/
42/* Data */
43/*****************************************************************************/
44
45
46
47/* ConDes types. Count is only 7 because we want to encode 0..count in 3 bits */
48#define CD_TYPE_COUNT 7 /* Number of table types */
49#define CD_TYPE_MIN 0 /* Minimum numeric type value */
50#define CD_TYPE_MAX 6 /* Maximum numeric type value */
51
52/* ConDes priorities, zero is no valid priority and used to mark an empty
53** (missing) decl for this type throughout the code.
54*/
55#define CD_PRIO_NONE 0 /* No priority (no decl) */
56#define CD_PRIO_MIN 1 /* Lowest priority */
57#define CD_PRIO_DEF 7 /* Default priority */
58#define CD_PRIO_MAX 32 /* Highest priority */
59
60/* Predefined types */
61#define CD_TYPE_CON 0 /* Constructor */
62#define CD_TYPE_DES 1 /* Destructor */
63#define CD_TYPE_INT 2 /* Interruptor */
64
65/* When part of an export in an object file, type and priority are encoded in
66** one byte. In this case, the following macros access the fields:
67*/
68#define CD_GET_TYPE(v) (((v) >> 5) & 0x07)
69#define CD_GET_PRIO(v) (((v) & 0x1F) + 1)
70
71/* Macro to build the byte value: */
72#define CD_BUILD(type,prio) ((((type) & 0x07) << 5) | (((prio) - 1) & 0x1F))
73
74
75
76/* End of cddefs.h */
77
78#endif
79