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 "../common/xmalloc.h"
  39
  40 #include "error.h"
  41 #include "objdata.h"
  42
  43
  44
  45 /*****************************************************************************/
  46 /*                                   Data                                    */
  47 /*****************************************************************************/
  48
  49
  50
  51 /* Object data list management */
  52 unsigned        ObjCount = 0;   /* Count of object files in the list */
  53 ObjData*        ObjRoot  = 0;   /* List of object files */
  54 ObjData*        ObjLast  = 0;   /* Last entry in list */
  55 ObjData**       ObjPool  = 0;   /* Object files as array */
  56
  57
  58
  59 /*****************************************************************************/
  60 /*                                   Code                                    */
  61 /*****************************************************************************/
  62
  63
  64
  65 ObjData* NewObjData (void)
  66 /* Allocate a new structure on the heap, insert it into the list, return it */
  67 {
  68     /* Allocate memory */
  69     ObjData* O = xmalloc (sizeof (ObjData));
  70
  71     /* Initialize the data */
  72     O->Next             = 0;
  73     O->Name             = 0;
  74     O->LibName          = 0;
  75     O->Flags            = 0;
  76     O->Start            = 0;
  77     O->ExportCount      = 0;
  78     O->Exports          = 0;
  79     O->ImportCount      = 0;
  80     O->Imports          = 0;
  81     O->DbgSymCount      = 0;
  82     O->DbgSyms          = 0;
  83
  84     /* Link it into the list */
  85     if (ObjLast) {
  86         ObjLast->Next = O;
  87         ObjLast       = O;
  88     } else {
  89         /* First entry */
  90         ObjRoot = ObjLast = O;
  91     }
  92
  93     /* One object file more now */
  94     ++ObjCount;
  95
  96     /* Return the new entry */
  97     return O;
  98 }
  99
 100
 101
 102 void FreeObjData (ObjData* O)
 103 /* Free a complete struct */
 104 {
 105     xfree (O->Name);
 106     xfree (O->Imports);
 107     xfree (O->Exports);
 108     xfree (O->DbgSyms);
 109     xfree (O);
 110 }
 111
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 113