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) 1998-2000 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 /* common */
  39 #include "check.h"
  40 #include "xmalloc.h"
  41
  42 /* ld65 */
  43 #include "error.h"
  44 #include "objdata.h"
  45
  46
  47
  48 /*****************************************************************************/
  49 /*                                   Data                                    */
  50 /*****************************************************************************/
  51
  52
  53
  54 /* Object data list management */
  55 unsigned        ObjCount = 0;   /* Count of object files in the list */
  56 ObjData*        ObjRoot  = 0;   /* List of object files */
  57 ObjData*        ObjLast  = 0;   /* Last entry in list */
  58 ObjData**       ObjPool  = 0;   /* Object files as array */
  59
  60
  61
  62 /*****************************************************************************/
  63 /*                                   Code                                    */
  64 /*****************************************************************************/
  65
  66
  67
  68 ObjData* NewObjData (void)
  69 /* Allocate a new structure on the heap, insert it into the list, return it */
  70 {
  71     /* Allocate memory */
  72     ObjData* O = xmalloc (sizeof (ObjData));
  73
  74     /* Initialize the data */
  75     O->Next             = 0;
  76     O->Name             = 0;
  77     O->LibName          = 0;
  78     O->Flags            = 0;
  79     O->Start            = 0;
  80     O->ExportCount      = 0;
  81     O->Exports          = 0;
  82     O->ImportCount      = 0;
  83     O->Imports          = 0;
  84     O->DbgSymCount      = 0;
  85     O->DbgSyms          = 0;
  86
  87     /* Link it into the list */
  88     if (ObjLast) {
  89         ObjLast->Next = O;
  90         ObjLast       = O;
  91     } else {
  92         /* First entry */
  93         ObjRoot = ObjLast = O;
  94     }
  95
  96     /* One object file more now */
  97     ++ObjCount;
  98
  99     /* Return the new entry */
 100     return O;
 101 }
 102
 103
 104
 105 void FreeObjData (ObjData* O)
 106 /* Free a complete struct */
 107 {
 108     xfree (O->Name);
 109     xfree (O->Imports);
 110     xfree (O->Exports);
 111     xfree (O->DbgSyms);
 112     xfree (O);
 113 }
 114
 115
 116
 117 const char* GetObjFileName (const ObjData* O)
 118 /* Get the name of the object file. Return "[linker generated]" if the object
 119  * file is NULL.
 120  */
 121 {
 122     return O? O->Name : "[linker generated]";
 123 }
 124
 125
 126
 127 const char* GetSourceFileName (const ObjData* O, unsigned Index)
 128 /* Get the name of the source file with the given index. If O is NULL, return
 129  * "[linker generated]" as the file name.
 130  */
 131 {
 132     /* Check if we have an object file */
 133     if (O == 0) {
 134
 135         /* No object file */
 136         return "[linker generated]";
 137
 138     } else {
 139
 140         /* Check the parameter */
 141         PRECONDITION (Index < O->FileCount);
 142
 143         /* Return the name */
 144         return O->Files[Index];
 145
 146     }
 147 }
 148
 149
 150
 151