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 /* cc65 */
  47 #include "codelab.h"
  48 #include "opcodes.h"
  49
  50
  51
  52 /*****************************************************************************/
  53 /*                                   Data                                    */
  54 /*****************************************************************************/
  55
  56
  57
  58 /* Flags used */
  59 #define CEF_USERMARK    0x0001U         /* Generic mark by user functions */
  60 #define CEF_NUMARG      0x0002U         /* Insn has numerical argument */
  61
  62 /* Code entry structure */
  63 typedef struct CodeEntry CodeEntry;
  64 struct CodeEntry {
  65     opc_t               OPC;            /* Opcode */
  66     am_t                AM;             /* Adressing mode */
  67     unsigned char       Size;           /* Estimated size */
  68     unsigned char       Hints;          /* Hints for this entry */
  69     char*               Arg;            /* Argument as string */
  70     unsigned            Num;            /* Numeric argument */
  71     unsigned short      Flags;          /* Flags */
  72     unsigned char       Use;            /* Registers used */
  73     unsigned char       Chg;            /* Registers changed/destroyed */
  74     CodeLabel*          JumpTo;         /* Jump label */
  75     Collection          Labels;         /* Labels for this instruction */
  76 };
  77
  78
  79
  80 /*****************************************************************************/
  81 /*                                   Code                                    */
  82 /*****************************************************************************/
  83
  84
  85
  86 CodeEntry* NewCodeEntry (const OPCDesc* D, am_t AM, const char* Arg, CodeLabel* JumpTo);
  87 /* Create a new code entry, initialize and return it */
  88
  89 void FreeCodeEntry (CodeEntry* E);
  90 /* Free the given code entry */
  91
  92 int CodeEntryHasLabel (const CodeEntry* E);
  93 /* Check if the given code entry has labels attached */
  94
  95 void OutputCodeEntry (const CodeEntry* E, FILE* F);
  96 /* Output the code entry to a file */
  97
  98
  99
 100 /* End of codeent.h */
 101 #endif
 102
 103
 104