git.sur5r.net Git - cc65/blob - src/ld65/objdata.c

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 objdata.c                                 */
   4 /*                                                                           */
   5 /*               Handling object file data for the ld65 linker               */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998     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 #include <string.h>
  37
  38 #include "mem.h"
  39 #include "error.h"
  40 #include "objdata.h"
  41
  42
  43
  44 /*****************************************************************************/
  45 /*                                   Data                                    */
  46 /*****************************************************************************/
  47
  48
  49
  50 /* Object data list management */
  51 unsigned        ObjCount = 0;   /* Count of object files in the list */
  52 ObjData*        ObjRoot  = 0;   /* List of object files */
  53 ObjData*        ObjLast  = 0;   /* Last entry in list */
  54 ObjData**       ObjPool  = 0;   /* Object files as array */
  55
  56
  57
  58 /*****************************************************************************/
  59 /*                                   Code                                    */
  60 /*****************************************************************************/
  61
  62
  63
  64 ObjData* NewObjData (void)
  65 /* Allocate a new structure on the heap, insert it into the list, return it */
  66 {
  67     /* Allocate memory */
  68     ObjData* O = Xmalloc (sizeof (ObjData));
  69
  70     /* Initialize the data */
  71     O->Next             = 0;
  72     O->Name             = 0;
  73     O->LibName          = 0;
  74     O->Flags            = 0;
  75     O->Start            = 0;
  76     O->ExportCount      = 0;
  77     O->Exports          = 0;
  78     O->ImportCount      = 0;
  79     O->Imports          = 0;
  80     O->DbgSymCount      = 0;
  81     O->DbgSyms          = 0;
  82
  83     /* Link it into the list */
  84     if (ObjLast) {
  85         ObjLast->Next = O;
  86         ObjLast       = O;
  87     } else {
  88         /* First entry */
  89         ObjRoot = ObjLast = O;
  90     }
  91
  92     /* One object file more now */
  93     ++ObjCount;
  94
  95     /* Return the new entry */
  96     return O;
  97 }
  98
  99
 100
 101 void FreeObjData (ObjData* O)
 102 /* Free a complete struct */
 103 {
 104     Xfree (O->Name);
 105     Xfree (O->Imports);
 106     Xfree (O->Exports);
 107     Xfree (O->DbgSyms);
 108     Xfree (O);
 109 }
 110
 111
 112