git.sur5r.net Git - cc65/blob - src/cc65/asmcode.c

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 asmcode.c                                 */
   4 /*                                                                           */
   5 /*          Assembler output code handling for the cc65 C compiler           */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2000-2001 Ullrich von Bassewitz                                       */
  10 /*               Wacholderweg 14                                             */
  11 /*               D-70597 Stuttgart                                           */
  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 /* b6502 */
  37 #include "codeseg.h"
  38 #include "dataseg.h"
  39
  40 /* cc65 */
  41 #include "symtab.h"
  42 #include "asmcode.h"
  43
  44
  45
  46 /*****************************************************************************/
  47 /*                                   Code                                    */
  48 /*****************************************************************************/
  49
  50
  51
  52 void AddCodeHint (const char* Hint)
  53 /* Add an optimizer hint */
  54 {
  55     /* ### AddCodeLine ("+%s", Hint); */
  56 }
  57
  58
  59
  60 CodeMark GetCodePos (void)
  61 /* Get a marker pointing to the current output position */
  62 {
  63     return GetCodeSegEntries (CS);
  64 }
  65
  66
  67
  68 void RemoveCode (CodeMark M)
  69 /* Remove all code after the given code marker */
  70 {
  71     DelCodeSegAfter (CS, M);
  72 }
  73
  74
  75
  76 static void PrintFunctionHeader (FILE* F, SymEntry* Entry)
  77 {
  78     /* Print a comment with the function signature */
  79     fprintf (F,
  80              "; ---------------------------------------------------------------\n"
  81              "; ");
  82     PrintFuncSig (F, Entry->Name, Entry->Type);
  83     fprintf (F,
  84              "\n"
  85              "; ---------------------------------------------------------------\n"
  86              "\n");
  87 }
  88
  89
  90
  91 void WriteOutput (FILE* F)
  92 /* Write the final output to a file */
  93 {
  94     SymTable* SymTab;
  95     SymEntry* Entry;
  96
  97     /* Output the global code and data segments */
  98     MergeCodeLabels (CS);
  99     OutputDataSeg (F, DS);
 100     OutputCodeSeg (F, CS);
 101
 102     /* Output all global or referenced functions */
 103     SymTab = GetGlobalSymTab ();
 104     Entry  = SymTab->SymHead;
 105     while (Entry) {
 106         if (IsTypeFunc (Entry->Type)            &&
 107             (Entry->Flags & SC_DEF) != 0        &&
 108             (Entry->Flags & (SC_REF | SC_EXTERN)) != 0) {
 109             /* Function which is defined and referenced or extern */
 110             PrintFunctionHeader (F, Entry);
 111             MergeCodeLabels (Entry->V.F.CS);
 112             OutputDataSeg (F, Entry->V.F.DS);
 113             OutputCodeSeg (F, Entry->V.F.CS);
 114         }
 115         Entry = Entry->NextSym;
 116     }
 117 }
 118
 119
 120