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[cc65] / src / common / symdefs.h
1 /*****************************************************************************/
2 /*                                                                           */
3 /*                                 symdefs.h                                 */
4 /*                                                                           */
5 /*               Symbol definitions for the bin65 binary utils               */
6 /*                                                                           */
7 /*                                                                           */
8 /*                                                                           */
9 /* (C) 1998-2011, 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 /* Object file tags for imports and exports */
37
38
39
40 #ifndef SYMDEFS_H
41 #define SYMDEFS_H
42
43
44
45 /*****************************************************************************/
46 /*                                   Data                                    */
47 /*****************************************************************************/
48
49
50
51 /* Number of module constructor/destructor declarations for an export */
52 #define SYM_CONDES_MASK         0x0007U
53
54 #define SYM_IS_CONDES(x)        (((x) & SYM_CONDES_MASK) != 0)
55 #define SYM_GET_CONDES_COUNT(x) ((x) & SYM_CONDES_MASK)
56 #define SYM_INC_CONDES_COUNT(x) ((x)++)
57
58 /* Size of symbol available? */
59 #define SYM_SIZELESS            0x0000U /* No symbol size available */
60 #define SYM_SIZE                0x0008U /* Symbol has a size */
61 #define SYM_MASK_SIZE           0x0008U /* Size mask */
62
63 #define SYM_HAS_SIZE(x)         (((x) & SYM_MASK_SIZE) == SYM_SIZE)
64
65 /* Symbol value type */
66 #define SYM_CONST               0x0000U /* Mask bit for const values */
67 #define SYM_EXPR                0x0010U /* Mask bit for expr values */
68 #define SYM_MASK_VAL            0x0010U /* Value mask */
69
70 #define SYM_IS_CONST(x)         (((x) & SYM_MASK_VAL) == SYM_CONST)
71 #define SYM_IS_EXPR(x)          (((x) & SYM_MASK_VAL) == SYM_EXPR)
72
73 /* Symbol usage */
74 #define SYM_EQUATE              0x0000U /* Mask bit for an equate */
75 #define SYM_LABEL               0x0020U /* Mask bit for a label */
76 #define SYM_MASK_LABEL          0x0020U /* Value mask */
77
78 #define SYM_IS_EQUATE(x)        (((x) & SYM_MASK_LABEL) == SYM_EQUATE)
79 #define SYM_IS_LABEL(x)         (((x) & SYM_MASK_LABEL) == SYM_LABEL)
80
81 /* Symbol type */
82 #define SYM_STD                 0x0000U /* Standard symbol */
83 #define SYM_CHEAP_LOCAL         0x0040U /* Cheap local symbol */
84 #define SYM_MASK_TYPE           0x0040U /* Value mask */
85
86 #define SYM_IS_STD(x)           (((x) & SYM_MASK_TYPE) == SYM_STD)
87 #define SYM_IS_CHEAP_LOCAL      (((x) & SYM_MASK_TYPE) == SYM_CHEAP_LOCAL)
88
89 /* Export */
90 #define SYM_EXPORT              0x0080U /* Export */
91 #define SYM_MASK_EXPORT         0x0080U /* Value mask */
92
93 #define SYM_IS_EXPORT(x)        (((x) & SYM_MASK_EXPORT) == SYM_EXPORT)
94
95 /* Import */
96 #define SYM_IMPORT              0x0100U /* Import */
97 #define SYM_MASK_IMPORT         0x0100U /* Value mask */
98
99 #define SYM_IS_IMPORT(x)        (((x) & SYM_MASK_IMPORT) == SYM_IMPORT)
100
101
102
103 /* End of symdefs.h */
104
105 #endif