git.sur5r.net Git - cc65/blob - src/ca65/segrange.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                segrange.h                                 */
   4 /*                                                                           */
   5 /*                              A segment range                              */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2003      Ullrich von Bassewitz                                       */
  10 /*               Römerstraße 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 SEGRANGE_H
  37 #define SEGRANGE_H
  38
  39
  40
  41 /* common */
  42 #include "coll.h"
  43 #include "inline.h"
  44
  45
  46
  47 /*****************************************************************************/
  48 /*                                   Data                                    */
  49 /*****************************************************************************/
  50
  51
  52
  53 /* Segment range definition */
  54 typedef struct SegRange SegRange;
  55 struct SegRange{
  56     struct Segment* Seg;                /* Pointer to segment */
  57     unsigned long   Start;              /* Start of range */
  58     unsigned long   End;                /* End of range */
  59 };
  60
  61
  62
  63 /*****************************************************************************/
  64 /*                                   Code                                    */
  65 /*****************************************************************************/
  66
  67
  68
  69 SegRange* NewSegRange (struct Segment* Seg);
  70 /* Create a new segment range. The segment is set to Seg, Start and End are
  71  * set to the current PC of the segment.
  72  */
  73
  74 #if defined(HAVE_INLINE)
  75 INLINE unsigned long GetSegRangeSize (const SegRange* R)
  76 /* Return the segment range size in bytes */
  77 {
  78     return (R->End - R->Start);
  79 }
  80 #else
  81 #  define GetSegRangeSize(R)   ((R)->End - (R)->Start)
  82 #endif
  83
  84 void AddSegRanges (Collection* Ranges);
  85 /* Add a segment range for all existing segments to the given collection of
  86  * ranges. The currently active segment will be inserted first with all others
  87  * following.
  88  */
  89
  90 void CloseSegRanges (Collection* Ranges);
  91 /* Close all open segment ranges by setting PC to the current PC for the
  92  * segment.
  93  */
  94
  95
  96
  97 /* End of segrange.h */
  98
  99 #endif
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