git.sur5r.net Git - cc65/blob - src/ld65/fragment.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                fragment.h                                 */
   4 /*                                                                           */
   5 /*                        Code/data fragment routines                        */
   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 #ifndef FRAGMENT_H
  37 #define FRAGMENT_H
  38
  39
  40
  41 /* common */
  42 #include "coll.h"
  43 #include "filepos.h"
  44
  45
  46
  47 /*****************************************************************************/
  48 /*                                 Forwards                                  */
  49 /*****************************************************************************/
  50
  51
  52
  53 struct LineInfo;
  54 struct ObjData;
  55 struct Section;
  56
  57
  58
  59 /*****************************************************************************/
  60 /*                                   Data                                    */
  61 /*****************************************************************************/
  62
  63
  64
  65 /* Fragment structure */
  66 typedef struct Fragment Fragment;
  67 struct Fragment {
  68     Fragment*           Next;           /* Next fragment in list */
  69     struct ObjData*     Obj;            /* Source of fragment */
  70     struct Section*     Sec;            /* Section for this fragment */
  71     unsigned            Size;           /* Size of data/expression */
  72     struct ExprNode*    Expr;           /* Expression if FRAG_EXPR */
  73     Collection          LineInfos;      /* Line info for this fragment */
  74     unsigned char       Type;           /* Type of fragment */
  75     unsigned char       LitBuf [1];     /* Dynamically alloc'ed literal buffer */
  76 };
  77
  78
  79
  80 /*****************************************************************************/
  81 /*                                   Code                                    */
  82 /*****************************************************************************/
  83
  84
  85
  86 Fragment* NewFragment (unsigned char Type, unsigned Size, struct Section* S);
  87 /* Create a new fragment and insert it into the section S */
  88
  89 void FragResolveLineInfos (Fragment* F);
  90 /* Resolve the back pointers for the line infos */
  91
  92 const char* GetFragmentSourceName (const Fragment* F);
  93 /* Return the name of the source file for this fragment */
  94
  95 unsigned long GetFragmentSourceLine (const Fragment* F);
  96 /* Return the source file line for this fragment */
  97
  98
  99
 100 /* End of fragment.h */
 101
 102 #endif
 103
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 106