git.sur5r.net Git - cc65/blob - src/cc65/codeent.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 codeent.h                                 */
   4 /*                                                                           */
   5 /*                            Code segment entry                             */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2001     Ullrich von Bassewitz                                        */
  10 /*              Wacholderweg 14                                              */
  11 /*              D-70597 Stuttgart                                            */
  12 /* EMail:       uz@musoftware.de                                             */
  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 CODEENT_H
  37 #define CODEENT_H
  38
  39
  40
  41 #include <stdio.h>
  42
  43 /* common */
  44 #include "coll.h"
  45
  46 /* b6502 */
  47 #include "label.h"
  48 #include "opcodes.h"
  49
  50
  51
  52 /*****************************************************************************/
  53 /*                                   Data                                    */
  54 /*****************************************************************************/
  55
  56
  57
  58 /* Code entry structure */
  59 typedef struct CodeEntry CodeEntry;
  60 struct CodeEntry {
  61     opc_t               OPC;            /* Opcode */
  62     am_t                AM;             /* Adressing mode */
  63     unsigned char       Size;           /* Estimated size */
  64     unsigned char       Hints;          /* Hints for this entry */
  65     union {
  66         unsigned        Num;            /* Numeric argument */
  67         char*           Expr;           /* Textual argument */
  68     } Arg;
  69     unsigned short      Flags;          /* Flags */
  70     unsigned short      Usage;          /* Register usage for this entry */
  71     CodeLabel*          JumpTo;         /* Jump label */
  72     Collection          Labels;         /* Labels for this instruction */
  73 };
  74
  75
  76
  77 /*****************************************************************************/
  78 /*                                   Code                                    */
  79 /*****************************************************************************/
  80
  81
  82
  83 CodeEntry* NewCodeEntry (const OPCDesc* D, am_t AM);
  84 /* Create a new code entry, initialize and return it */
  85
  86 void FreeCodeEntry (CodeEntry* E);
  87 /* Free the given code entry */
  88
  89 void OutputCodeEntry (FILE* F, const CodeEntry* E);
  90 /* Output the code entry to a file */
  91
  92
  93
  94 /* End of codeent.h */
  95 #endif
  96
  97
  98