git.sur5r.net Git - cc65/blob - src/common/symdefs.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 symdefs.h                                 */
   4 /*                                                                           */
   5 /*               Symbol definitions for the bin65 binary utils               */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998-2010, 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         0x07U
  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 /* Symbol value type */
  59 #define SYM_CONST               0x00U   /* Mask bit for const values */
  60 #define SYM_EXPR                0x10U   /* Mask bit for expr values */
  61 #define SYM_MASK_VAL            0x10U   /* Value mask */
  62
  63 #define SYM_IS_CONST(x)         (((x) & SYM_MASK_VAL) == SYM_CONST)
  64 #define SYM_IS_EXPR(x)          (((x) & SYM_MASK_VAL) == SYM_EXPR)
  65
  66 /* Symbol usage */
  67 #define SYM_EQUATE              0x00U   /* Mask bit for an equate */
  68 #define SYM_LABEL               0x20U   /* Mask bit for a label */
  69 #define SYM_MASK_LABEL          0x20U   /* Value mask */
  70
  71 #define SYM_IS_EQUATE(x)        (((x) & SYM_MASK_LABEL) == SYM_EQUATE)
  72 #define SYM_IS_LABEL(x)         (((x) & SYM_MASK_LABEL) == SYM_LABEL)
  73
  74 /* Symbol type */
  75 #define SYM_STD                 0x00U   /* Standard symbol */
  76 #define SYM_CHEAP_LOCAL         0x40U   /* Cheap local symbol */
  77 #define SYM_MASK_TYPE           0x40U   /* Value mask */
  78
  79 #define SYM_IS_STD(x)           (((x) & SYM_MASK_TYPE) == SYM_STD)
  80 #define SYM_IS_CHEAP_LOCAL      (((x) & SYM_MASK_TYPE) == SYM_CHEAP_LOCAL)
  81
  82
  83
  84 /* End of symdefs.h */
  85
  86 #endif
  87
  88
  89