* use dynamic memory buffers instead temporary files
[fw/sdcc] / src / pic / glue.c
index dbedaff604f21969879ccaa68e478114cfef8f44..da91bf8a22b231f38d89a1bf105c1fdff5e72ff1 100644 (file)
 #include "ralloc.h"
 #include "pcode.h"
 #include "newalloc.h"
+#include "gen.h"
+#include "main.h"
+#include "device.h"
+#include "dbuf_string.h"
 
 
 #ifdef WORDS_BIGENDIAN
-  #define _ENDIAN(x)  (3-x)
+#define _ENDIAN(x)  (3-x)
 #else
-  #define _ENDIAN(x)  (x)
+#define _ENDIAN(x)  (x)
 #endif
 
 #define BYTE_IN_LONG(x,b) ((x>>(8*_ENDIAN(b)))&0xff)
@@ -46,18 +50,16 @@ extern unsigned maxInterrupts;
 extern int maxRegBank;
 extern symbol *mainf;
 extern char *VersionString;
-extern FILE *codeOutFile;
-extern set *tmpfileSet;
-extern set *tmpfileNameSet;
+extern struct dbuf_s *codeOutBuf;
 extern char *iComments1;
 extern char *iComments2;
 //extern void emitStaticSeg (memmap * map);
+set *pic14_localFunctions = NULL;
 
 extern DEFSETFUNC (closeTmpFiles);
 extern DEFSETFUNC (rmTmpFiles);
 
 extern void AnalyzeBanking (void);
-extern void copyFile (FILE * dest, FILE * src);
 extern void ReuseReg(void);
 extern void InlinepCode(void);
 extern void writeUsedRegs(FILE *);
@@ -68,159 +70,346 @@ extern void printPublics (FILE * afile);
 extern void printChar (FILE * ofile, char *s, int plen);
 void  pCodeInitRegisters(void);
 int getConfigWord(int address);
+int getHasSecondConfigReg(void);
 
 char *udata_section_name=0;            // FIXME Temporary fix to change udata section name -- VR
+int pic14_hasInterrupt = 0;            // Indicates whether to emit interrupt handler or not
+
+static set *emitted = NULL;
+int pic14_stringInSet(const char *str, set **world, int autoAdd);
+static void emitSymbol (struct dbuf_s *oBuf, const char *name, const char *section_type, int size, int addr, int useEQU, int globalize);
 
 /*-----------------------------------------------------------------*/
 /* aopLiteral - string from a literal value                        */
 /*-----------------------------------------------------------------*/
-int pic14aopLiteral (value *val, int offset)
+unsigned int pic14aopLiteral (value *val, int offset)
 {
-  union {
-    float f;
-    unsigned char c[4];
-  } fl;
-
-  /* if it is a float then it gets tricky */
-  /* otherwise it is fairly simple */
-  if (!IS_FLOAT(val->type)) {
-    unsigned long v = (unsigned long) floatFromVal(val);
-
-    return ( (v >> (offset * 8)) & 0xff);
-  }
-
-  /* it is type float */
-  fl.f = (float) floatFromVal(val);
+       union {
+               float f;
+               unsigned char c[4];
+       } fl;
+       
+       /* if it is a float then it gets tricky */
+       /* otherwise it is fairly simple */
+       if (!IS_FLOAT(val->type)) {
+               unsigned long v = (unsigned long) floatFromVal(val);
+               
+               return ( (v >> (offset * 8)) & 0xff);
+       }
+       
+       /* it is type float */
+       fl.f = (float) floatFromVal(val);
 #ifdef WORDS_BIGENDIAN
-  return fl.c[3-offset];
+       return fl.c[3-offset];
 #else
-  return fl.c[offset];
+       return fl.c[offset];
 #endif
-
+       
 }
 
+static int
+is_valid_identifier( const char *name )
+{
+  char a;
+  if (!name) return 0;
+  a = *name;
+  
+  /* only accept [a-zA-Z_][a-zA-Z0-9_] */
+  if (!((a >= 'a' && a <= 'z')
+       || (a >= 'A' && a <= 'z')
+       || (a == '_')))
+    return 0;
 
-/*-----------------------------------------------------------------*/
-/* emitRegularMap - emit code for maps with no special cases       */
-/*-----------------------------------------------------------------*/
+  name++;
+  while ((a = *name++))
+  {
+    if (!((a >= 'a' && a <= 'z')
+       || (a >= 'A' && a <= 'Z')
+       || (a >= '0' && a <= '9')
+       || (a == '_')))
+      return 0;
+  } // while
+
+  /* valid identifier */
+  return 1;
+}
+
+#define IS_DEFINED_HERE(sym)   (!IS_EXTERN(sym->etype))
+extern int IS_CONFIG_ADDRESS( int addr );
 static void
-pic14emitRegularMap (memmap * map, bool addPublics, bool arFlag)
+pic14_constructAbsMap (struct dbuf_s *oBuf)
 {
+  memmap *maps[] = { data, sfr, NULL };
+  int i;
+  hTab *ht = NULL;
   symbol *sym;
-  int bitvars = 0;;
-
-  /* print the area name */
-  if (addPublics)
-    fprintf (map->oFile, ";\t.area\t%s\n", map->sname);
-
-  for (sym = setFirstItem (map->syms); sym;
-       sym = setNextItem (map->syms)) {
-
-    //printf("%s\n",sym->name);
-
-    /* if extern then add it into the extern list */
-    if (IS_EXTERN (sym->etype)) {
-      addSetHead (&externs, sym);
-      continue;
-    }
+  set *aliases;
+  int addr, min=-1, max=-1;
+  int size;
+  PIC_device *pic;
+  int low, high, shared;
+
+  for (i=0; maps[i] != NULL; i++)
+  {
+    for (sym = (symbol *)setFirstItem (maps[i]->syms);
+       sym; sym = setNextItem (maps[i]->syms))
+    {
+      if (IS_DEFINED_HERE(sym) && SPEC_ABSA(sym->etype))
+      {
+       addr = SPEC_ADDR(sym->etype);
 
-    /* if allocation required check is needed
-       then check if the symbol really requires
-       allocation only for local variables */
-    if (arFlag && !IS_AGGREGATE (sym->type) &&
-       !(sym->_isparm && !IS_REGPARM (sym->etype)) &&
-       !sym->allocreq && sym->level)
-      continue;
-
-    /* if global variable & not static or extern
-       and addPublics allowed then add it to the public set */
-    if ((sym->level == 0 ||
-        (sym->_isparm && !IS_REGPARM (sym->etype))) &&
-       addPublics &&
-       !IS_STATIC (sym->etype))
-      addSetHead (&publics, sym);
-
-    // PIC code allocates its own registers - so ignore parameter variable generated by processFuncArgs()
-    if (sym->_isparm)
-      continue;
-    /* if extern then do nothing or is a function
-       then do nothing */
-    if (IS_FUNC (sym->type))
-      continue;
+       /* handle CONFIG words here */
+       if (IS_CONFIG_ADDRESS( addr ))
+       {
+         //fprintf( stderr, "%s: assignment to CONFIG@0x%x found\n", __FUNCTION__, addr );
+         //fprintf( stderr, "ival: %p (0x%x)\n", sym->ival, (int)list2int( sym->ival ) );
+         if (sym->ival) {
+           pic14_assignConfigWordValue( addr, (int)list2int( sym->ival ) );
+         } else {
+           fprintf( stderr, "ERROR: Symbol %s, which is covering a __CONFIG word must be initialized!\n", sym->name );
+         }
+         continue;
+       }
+       
+       if (max == -1 || addr > max) max = addr;
+       if (min == -1 || addr < min) min = addr;
+       //fprintf (stderr, "%s: sym %s @ 0x%x\n", __FUNCTION__, sym->name, addr);
+       aliases = hTabItemWithKey (ht, addr);
+       if (aliases) {
+         /* May not use addSetHead, as we cannot update the
+          * list's head in the hastable `ht'. */
+         addSet (&aliases, sym);
 #if 0
-    /* print extra debug info if required */
-    if (options.debug || sym->level == 0)
-      {
-       if (!sym->level)        /* global */
-         if (IS_STATIC (sym->etype))
-           fprintf (map->oFile, "F%s_", moduleName);           /* scope is file */
-         else
-           fprintf (map->oFile, "G_"); /* scope is global */
-       else
-         /* symbol is local */
-         fprintf (map->oFile, "L%s_", (sym->localof ? sym->localof->name : "-null-"));
-       fprintf (map->oFile, "%s_%d_%d", sym->name, sym->level, sym->block);
-      }
+         fprintf( stderr, "%s: now %d aliases for %s @ 0x%x\n",
+             __FUNCTION__, elementsInSet(aliases), sym->name, addr);
 #endif
-
-    /* if it has an absolute address then generate
-       an equate for this no need to allocate space */
-    if (SPEC_ABSA (sym->etype))
+       } else {
+         addSet (&aliases, sym);
+         hTabAddItem (&ht, addr, aliases);
+       } // if
+      } // if
+    } // for sym
+  } // for i
+
+  /* now emit definitions for all absolute symbols */
+  dbuf_printf (oBuf, "%s", iComments2);
+  dbuf_printf (oBuf, "; absolute symbol definitions\n");
+  dbuf_printf (oBuf, "%s", iComments2);
+  for (addr=min; addr <= max; addr++)
+  {
+    size = 1;
+    aliases = hTabItemWithKey (ht, addr);
+    if (aliases && elementsInSet(aliases)) {
+      dbuf_printf (oBuf, "udata_abs_%s_%x\tudata_ovr\t0x%04x",
+         moduleName, addr, addr);
+      for (sym = setFirstItem (aliases); sym;
+         sym = setNextItem (aliases))
       {
-       //if (options.debug || sym->level == 0)
-       //fprintf (map->oFile,"; == 0x%04x\n",SPEC_ADDR (sym->etype));
-
-       fprintf (map->oFile, "%s\tEQU\t0x%04x\n",
-                sym->rname,
-                SPEC_ADDR (sym->etype));
-      }
-     else
-       {
-        /* allocate space */
-
-        /* If this is a bit variable, then allocate storage after 8 bits have been declared */
-        /* unlike the 8051, the pic does not have a separate bit area. So we emulate bit ram */
-        /* by grouping the bits together into groups of 8 and storing them in the normal ram. */
-        if (IS_BITVAR (sym->etype))
-          {
-            bitvars++;
-          }
-        else
-          {
-            fprintf (map->oFile, "%s\tres\t%d\n", sym->rname,getSize (sym->type) & 0xffff);
-            /*
-            {
-              int i, size;
-
-              if ((size = (unsigned int) getSize (sym->type) & 0xffff) > 1)
-                {
-                  for (i = 1; i < size; i++)
-                    fprintf (map->oFile, "\t%s_%d\n", sym->rname, i);
-                }
-            }
-            */
-          }
-        //fprintf (map->oFile, "\t.ds\t0x%04x\n", (unsigned int)getSize (sym->type) & 0xffff);
-       }
-
-    /* if it has a initial value then do it only if
-       it is a global variable */
-    if (sym->ival && sym->level == 0) {
-      ast *ival = NULL;
-           
-      if (IS_AGGREGATE (sym->type))
-       ival = initAggregates (sym, sym->ival, NULL);
-      else
-       ival = newNode ('=', newAst_VALUE(symbolVal (sym)),
-                       decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_CHECK));
-      codeOutFile = statsg->oFile;
-      GcurMemmap = statsg;
-      eBBlockFromiCode (iCodeFromAst (ival));
-      sym->ival = NULL;
+        /* emit STATUS as well as _STATUS, required for SFRs only */
+       dbuf_printf (oBuf, "\n%s", sym->name);
+       dbuf_printf (oBuf, "\n%s", sym->rname);
+       if (getSize(sym->type) > size) {
+         size = getSize(sym->type);
+       }
+       if (sym->islocal) {
+         // global symbols must be emitted again as 'global sym->name'
+         pic14_stringInSet(sym->name, &emitted, 1);
+         pic14_stringInSet(sym->rname, &emitted, 1);
+       }
+      } // for
+      dbuf_printf (oBuf, "\tres\t%d\n", size);
+    } // if
+  } // for i
+
+  /* also emit STK symbols
+   * XXX: This is ugly and fails as soon as devices start to get
+   *      differently sized sharebanks, since STK12 will be
+   *      required by larger devices but only up to STK03 might
+   *      be defined using smaller devices. */
+  dbuf_printf (oBuf, "\n");
+  shared = pic14_getSharedStack(&low, &high, &size);
+  if (!pic14_options.isLibrarySource)
+  {
+    pic = pic14_getPIC();
+
+    dbuf_printf (oBuf, "\tglobal PSAVE\n");
+    dbuf_printf (oBuf, "\tglobal SSAVE\n");
+    dbuf_printf (oBuf, "\tglobal WSAVE\n");
+    for (i = size - 4; i >= 0; i--) {
+      dbuf_printf (oBuf, "\tglobal STK%02d\n", i);
+    } // for i
+
+    // 16f84 has no SHAREBANK (in linkerscript) but memory aliased in two
+    // banks, sigh...
+    if (1 || !shared) {
+       // for single banked devices: use normal, "banked" RAM
+       dbuf_printf (oBuf, "sharebank udata_ovr 0x%04X\n", low);
+    } else {
+       // for devices with at least two banks, require a sharebank section
+       dbuf_printf (oBuf, "sharebank udata_shr\n");
     }
+    dbuf_printf (oBuf, "PSAVE\tres 1\n");
+    dbuf_printf (oBuf, "SSAVE\tres 1\n");
+    dbuf_printf (oBuf, "WSAVE\tres 1\n"); // WSAVE *must* be in sharebank (IRQ handlers)
+    /* fill rest of sharebank with stack STKxx .. STK00 */
+    for (i = size - 4; i >= 0; i--) {
+      dbuf_printf (oBuf, "STK%02d\tres 1\n", i);
+    } // for i
+  } else {
+    /* declare STKxx as extern for all files
+     * except the one containing main() */
+    dbuf_printf (oBuf, "\textern PSAVE\n");
+    dbuf_printf (oBuf, "\textern SSAVE\n");
+    dbuf_printf (oBuf, "\textern WSAVE\n");
+    for (i = size - 4; i >= 0; i--) {
+       char buffer[128];
+       SNPRINTF(&buffer[0], 127, "STK%02d", i);
+       dbuf_printf (oBuf, "\textern %s\n", &buffer[0]);
+       pic14_stringInSet(&buffer[0], &emitted, 1);
+    } // for i
   }
 }
 
+/*-----------------------------------------------------------------*/
+/* emitRegularMap - emit code for maps with no special cases       */
+/*-----------------------------------------------------------------*/
+static void
+pic14emitRegularMap (memmap * map, bool addPublics, bool arFlag)
+{
+       symbol *sym;
+       int bitvars = 0;;
+       
+       /* print the area name */
+       if (addPublics)
+               dbuf_printf (&map->oBuf, ";\t.area\t%s\n", map->sname);
+       
+       for (sym = setFirstItem (map->syms); sym;
+       sym = setNextItem (map->syms)) {
+               
+               //printf("%s\n",sym->name);
+
+               /* ignore if config word */
+               if (SPEC_ABSA(sym->etype)
+                   && IS_CONFIG_ADDRESS(SPEC_ADDR(sym->etype)))
+                       continue;
+               
+               /* if extern then add it into the extern list */
+               if (IS_EXTERN (sym->etype)) {
+                       addSetHead (&externs, sym);
+                       continue;
+               }
+               
+               /* if allocation required check is needed
+               then check if the symbol really requires
+               allocation only for local variables */
+               if (arFlag && !IS_AGGREGATE (sym->type) &&
+                       !(sym->_isparm && !IS_REGPARM (sym->etype)) &&
+                       !sym->allocreq && sym->level)
+                       continue;
+               
+               /* if global variable & not static or extern
+               and addPublics allowed then add it to the public set */
+               if ((sym->level == 0 ||
+                       (sym->_isparm && !IS_REGPARM (sym->etype))) &&
+                       addPublics &&
+                       !IS_STATIC (sym->etype))
+               {
+                       //fprintf( stderr, "%s: made public %s\n", __FUNCTION__, sym->name );
+                       addSetHead (&publics, sym);
+               }
+               
+               // PIC code allocates its own registers - so ignore parameter variable generated by processFuncArgs()
+               if (sym->_isparm)
+                       continue;
+                       /* if extern then do nothing or is a function
+               then do nothing */
+               if (IS_FUNC (sym->type))
+                       continue;
+#if 0
+               /* print extra debug info if required */
+               if (options.debug || sym->level == 0)
+               {
+                       if (!sym->level)        /* global */
+                               if (IS_STATIC (sym->etype))
+                                       dbuf_printf (&map->oBuf, "F%s_", moduleName);           /* scope is file */
+                               else
+                                       dbuf_printf (&map->oBuf, "G_"); /* scope is global */
+                               else
+                                       /* symbol is local */
+                                       dbuf_printf (&map->oBuf, "L%s_", (sym->localof ? sym->localof->name : "-null-"));
+                               dbuf_printf (&map->oBuf, "%s_%d_%d", sym->name, sym->level, sym->block);
+               }
+#endif
+               /* absolute symbols are handled in pic14_constructAbsMap */
+               if (SPEC_ABSA(sym->etype) && IS_DEFINED_HERE(sym))
+                       continue;
+               
+               /* if it has an absolute address then generate
+               an equate for this no need to allocate space */
+               if (0 && SPEC_ABSA (sym->etype))
+               {
+                       //if (options.debug || sym->level == 0)
+                       //dbuf_printf (&map->oBuf,"; == 0x%04x\n",SPEC_ADDR (sym->etype));
+                       
+                       dbuf_printf (&map->oBuf, "%s\tEQU\t0x%04x\n",
+                               sym->rname,
+                               SPEC_ADDR (sym->etype));
+               }
+               else
+               {
+                       /* allocate space */
+                       
+                       /* If this is a bit variable, then allocate storage after 8 bits have been declared */
+                       /* unlike the 8051, the pic does not have a separate bit area. So we emulate bit ram */
+                       /* by grouping the bits together into groups of 8 and storing them in the normal ram. */
+                       if (IS_BITVAR (sym->etype))
+                       {
+                               bitvars++;
+                       }
+                       else
+                       {
+                               emitSymbol (&map->oBuf,
+                                       sym->rname, 
+                                       NULL,
+                                       getSize (sym->type) & 0xffff,
+                                       SPEC_ABSA(sym->etype)
+                                               ? SPEC_ADDR(sym->etype)
+                                               : -1,
+                                       0,
+                                       0);
+                               /*
+                               {
+                               int i, size;
+                               
+                                 if ((size = (unsigned int) getSize (sym->type) & 0xffff) > 1)
+                                 {
+                                 for (i = 1; i < size; i++)
+                                 dbuf_printf (&map->oBuf, "\t%s_%d\n", sym->rname, i);
+                                 }
+                                 }
+                               */
+                       }
+                       //dbuf_printf (&map->oBuf, "\t.ds\t0x%04x\n", (unsigned int)getSize (sym->type) & 0xffff);
+               }
+               
+               /* if it has a initial value then do it only if
+               it is a global variable */
+               if (sym->ival && sym->level == 0) {
+                       ast *ival = NULL;
+               
+                       if (IS_AGGREGATE (sym->type))
+                               ival = initAggregates (sym, sym->ival, NULL);
+                       else
+                               ival = newNode ('=', newAst_VALUE(symbolVal (sym)),
+                               decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_TYPE_NONE));
+                       codeOutBuf = &statsg->oBuf;
+                       GcurMemmap = statsg;
+                       eBBlockFromiCode (iCodeFromAst (ival));
+                       sym->ival = NULL;
+               }
+       }
+}
+
 
 /*-----------------------------------------------------------------*/
 /* printIvalType - generates ival for int/char                     */
@@ -228,50 +417,138 @@ pic14emitRegularMap (memmap * map, bool addPublics, bool arFlag)
 static void 
 printIvalType (symbol *sym, sym_link * type, initList * ilist, pBlock *pb)
 {
-  value *val;
-  unsigned long ulval;
-
-  //fprintf(stderr, "%s\n",__FUNCTION__);
-
-  /* if initList is deep */
-  if (ilist->type == INIT_DEEP)
-    ilist = ilist->init.deep;
-
-  if (!IS_AGGREGATE(sym->type) && getNelements(type, ilist)>1) {
-    werror (W_EXCESS_INITIALIZERS, "scalar", sym->name, sym->lineDef);
-  }
-
-  if (!(val = list2val (ilist))) {
-    // assuming a warning has been thrown
-    val=constVal("0");
-  }
+       value *val;
+       unsigned long ulval;
+       
+       //fprintf(stderr, "%s\n",__FUNCTION__);
+       
+       /* if initList is deep */
+       if (ilist->type == INIT_DEEP)
+               ilist = ilist->init.deep;
+       
+       if (!IS_AGGREGATE(sym->type) && getNelements(type, ilist)>1) {
+               werror (W_EXCESS_INITIALIZERS, "scalar", sym->name, sym->lineDef);
+       }
+       
+       if (!(val = list2val (ilist))) {
+               // assuming a warning has been thrown
+               val=constVal("0");
+       }
+       
+       if (val->type != type) {
+               val = valCastLiteral(type, floatFromVal(val));
+       }
+       
+       if(val) 
+               ulval = (unsigned long) floatFromVal (val);
+       else
+               ulval =0;
+       
+       switch (getSize (type)) {
+       case 1:
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
+               break;
+               
+       case 2:
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
+               break;
+               
+       case 4:
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,2))));
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,3))));
+               break;
+       }
+}
 
-  if (val->type != type) {
-    val = valCastLiteral(type, floatFromVal(val));
-  }
+/*-----------------------------------------------------------------*/
+/* printIvalBitFields - generate initializer for bitfields         */
+/*-----------------------------------------------------------------*/
+static void printIvalBitFields(symbol **sym, initList **ilist, pBlock *pb ) 
+{
+       value *val ;
+       symbol *lsym = *sym;
+       initList *lilist = *ilist ;
+       unsigned long ival = 0;
+       int size =0;
+       
+       
+       do {
+               unsigned long i;
+               val = list2val(lilist);
+               if (size) {
+                       if (SPEC_BLEN(lsym->etype) > 8) {
+                               size += ((SPEC_BLEN (lsym->etype) / 8) + 
+                                       (SPEC_BLEN (lsym->etype) % 8 ? 1 : 0));
+                       }
+               } else {
+                       size = ((SPEC_BLEN (lsym->etype) / 8) + 
+                               (SPEC_BLEN (lsym->etype) % 8 ? 1 : 0));
+               }
+               i = (unsigned long)floatFromVal(val);
+               i <<= SPEC_BSTR (lsym->etype);
+               ival |= i;
+               if (! ( lsym->next &&
+                       (IS_BITFIELD(lsym->next->type)) &&
+                       (SPEC_BSTR(lsym->next->etype)))) break;
+               lsym = lsym->next;
+               lilist = lilist->next;
+       } while (1);
+       switch (size) {
+       case 1:
+               //tfprintf (oFile, "\t!db !constbyte\n",ival);
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(ival)));
+               break;
+               
+       case 2:
+               //tfprintf (oFile, "\t!dw !constword\n",ival);
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(ival>>8)));
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(ival)));
+               break;
+       case 4:
+               //tfprintf (oFile, "\t!db  !constword,!constword\n",(ival >> 8) & 0xffff, (ival & 0xffff));
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(ival>>24)));
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(ival>>16)));
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(ival>>8)));
+               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(ival)));
+               break;
+       }
+       *sym = lsym;
+       *ilist = lilist;
+}
 
-  if(val) 
-    ulval = (unsigned long) floatFromVal (val);
-  else
-    ulval =0;
-
-  switch (getSize (type)) {
-  case 1:
-    addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
-    break;
-
-  case 2:
-    addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
-    addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
-    break;
-
-  case 4:
-    addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
-    addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
-    addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,2))));
-    addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(BYTE_IN_LONG(ulval,3))));
-    break;
-  }
+/*-----------------------------------------------------------------*/
+/* printIvalStruct - generates initial value for structures        */
+/*-----------------------------------------------------------------*/
+static void printIvalStruct (symbol * sym, sym_link * type, initList * ilist, pBlock *pb)
+{
+       symbol *sflds;
+       initList *iloop = NULL;
+       
+       sflds = SPEC_STRUCT (type)->fields;
+       
+       if (ilist) {
+               if (ilist->type != INIT_DEEP) {
+                       werrorfl (sym->fileDef, sym->lineDef, E_INIT_STRUCT, sym->name);
+                       return;
+               }
+               
+               iloop = ilist->init.deep;
+       }
+       
+       for (; sflds; sflds = sflds->next, iloop = (iloop ? iloop->next : NULL)) {
+               if (IS_BITFIELD(sflds->type)) {
+                       printIvalBitFields(&sflds,&iloop,pb);
+               } else {
+                       printIval (sym, sflds->type, iloop, pb);
+               }
+       }
+       if (iloop) {
+               werrorfl (sym->fileDef, sym->lineDef, W_EXCESS_INITIALIZERS, "struct", sym->name);
+       }
+       return;
 }
 
 /*-----------------------------------------------------------------*/
@@ -280,46 +557,51 @@ printIvalType (symbol *sym, sym_link * type, initList * ilist, pBlock *pb)
 static int 
 printIvalChar (sym_link * type, initList * ilist, pBlock *pb, char *s)
 {
-  value *val;
-  int remain;
-
-  if(!pb)
-    return 0;
-
-  //fprintf(stderr, "%s\n",__FUNCTION__);
-  if (!s)
-    {
-
-      val = list2val (ilist);
-      /* if the value is a character string  */
-      if (IS_ARRAY (val->type) && IS_CHAR (val->etype))
+       value *val;
+       int remain, ilen;
+       
+       if(!pb)
+               return 0;
+       
+       //fprintf(stderr, "%s\n",__FUNCTION__);
+       if (!s)
        {
-         if (!DCL_ELEM (type))
-           DCL_ELEM (type) = strlen (SPEC_CVAL (val->etype).v_char) + 1;
-
-         //printChar (oFile, SPEC_CVAL (val->etype).v_char, DCL_ELEM (type));
-         //fprintf(stderr, "%s omitting call to printChar\n",__FUNCTION__);
-         addpCode2pBlock(pb,newpCodeCharP(";omitting call to printChar"));
-
-         if ((remain = (DCL_ELEM (type) - strlen (SPEC_CVAL (val->etype).v_char) - 1)) > 0)
-           while (remain--)
-             //tfprintf (oFile, "\t!db !constbyte\n", 0);
-             addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(0)));
-         return 1;
+               
+               val = list2val (ilist);
+
+               /* if the value is a character string  */
+               if (IS_ARRAY (val->type) && IS_CHAR (val->etype))
+               {
+                       ilen = DCL_ELEM(val->type);
+
+                       if (!DCL_ELEM (type))
+                               DCL_ELEM (type) = ilen;
+               
+                       /* emit string constant */
+                       for (remain = 0; remain < ilen; remain++) {
+                               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(SPEC_CVAL(val->etype).v_char[remain])));
+                       }
+                       
+                       /* fill array up to desired size */
+                       if ((remain = (DCL_ELEM (type) - ilen)) > 0)
+                               while (remain--)
+                                       //tfprintf (oFile, "\t!db !constbyte\n", 0);
+                                       addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(0)));
+                               return 1;
+               }
+               else
+                       return 0;
        }
-      else
-       return 0;
-    }
-  else {
-    //printChar (oFile, s, strlen (s) + 1);
-
-    for(remain=0; remain<(int)strlen(s); remain++) {
-      addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(s[remain])));
-      //fprintf(stderr,"0x%02x ",s[remain]);
-    }
-    //fprintf(stderr,"\n");
-  }
-  return 1;
+       else {
+               //printChar (oFile, s, strlen (s) + 1);
+               
+               for(remain=0; remain<(int)strlen(s); remain++) {
+                       addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(s[remain])));
+                       //fprintf(stderr,"0x%02x ",s[remain]);
+               }
+               //fprintf(stderr,"\n");
+       }
+       return 1;
 }
 
 /*-----------------------------------------------------------------*/
@@ -327,67 +609,141 @@ printIvalChar (sym_link * type, initList * ilist, pBlock *pb, char *s)
 /*-----------------------------------------------------------------*/
 static void 
 printIvalArray (symbol * sym, sym_link * type, initList * ilist,
-               pBlock *pb)
+                               pBlock *pb)
 {
-  initList *iloop;
-  int lcnt = 0, size = 0;
-
-  if(!pb)
-    return;
-
-  /* take care of the special   case  */
-  /* array of characters can be init  */
-  /* by a string                      */
-  if (IS_CHAR (type->next)) {
-    //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
-    if (!IS_LITERAL(list2val(ilist)->etype)) {
-      werror (W_INIT_WRONG);
-      return;
-    }
-    if (printIvalChar (type,
-                      (ilist->type == INIT_DEEP ? ilist->init.deep : ilist),
-                      pb, SPEC_CVAL (sym->etype).v_char))
-      return;
-  }
-  /* not the special case             */
-  if (ilist->type != INIT_DEEP)
-    {
-      werror (E_INIT_STRUCT, sym->name);
-      return;
-    }
+       initList *iloop;
+       unsigned size = 0;
+
+       if(!pb)
+               return;
+       if (ilist) {
+               /* take care of the special   case  */
+               /* array of characters can be init  */
+               /* by a string                      */
+               if (IS_CHAR (type->next)) {
+                       //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
+                       if (!IS_LITERAL(list2val(ilist)->etype)) {
+                               werror (W_INIT_WRONG);
+                               return;
+                       }
+                       if (printIvalChar (type,
+                               (ilist->type == INIT_DEEP ? ilist->init.deep : ilist),
+                               pb, SPEC_CVAL (sym->etype).v_char))
+                               return;
+               }
+               /* not the special case */
+               if (ilist->type != INIT_DEEP) {
+                       werrorfl (ilist->filename, ilist->lineno, E_INIT_STRUCT, sym->name);
+                       return;
+               }
 
-  iloop = ilist->init.deep;
-  lcnt = DCL_ELEM (type);
+               for (iloop=ilist->init.deep; iloop; iloop=iloop->next) {
+                       if ((++size > DCL_ELEM(type)) && DCL_ELEM(type)) {
+                               werrorfl (sym->fileDef, sym->lineDef, W_EXCESS_INITIALIZERS, "array", sym->name);
+                               break;
+                       }
+                       printIval (sym, type->next, iloop, pb);
+               }
+       }
 
-  for (;;)
-    {
-      //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
-      size++;
-      printIval (sym, type->next, iloop, pb);
-      iloop = (iloop ? iloop->next : NULL);
+       if (DCL_ELEM(type)) {
+               // pad with zeros if needed
+               if (size<DCL_ELEM(type)) {
+                       size = (DCL_ELEM(type) - size) * getSize(type->next);
+                       while (size--) {
+                               //tfprintf (oFile, "\t!db !constbyte\n", 0);
+                               addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(0)));
+                       }
+               }
+       } else {
+               // we have not been given a size, but we now know it
+               DCL_ELEM (type) = size;
+       }
 
+       return;
+}
 
-      /* if not array limits given & we */
-      /* are out of initialisers then   */
-      if (!DCL_ELEM (type) && !iloop)
-       break;
+/*-----------------------------------------------------------------*/
+/* printIvalPtr - generates code for initial value of pointers     */
+/*-----------------------------------------------------------------*/
+extern value *initPointer (initList *, sym_link *toType);
 
-      /* no of elements given and we    */
-      /* have generated for all of them */
-      if (!--lcnt) {
-       /* if initializers left */
-       if (iloop) {
-         werror (W_EXCESS_INITIALIZERS, "array", sym->name, sym->lineDef);
+static void 
+printIvalPtr (symbol * sym, sym_link * type, initList * ilist, pBlock *pb)
+{
+       value *val;
+       
+       if (!ilist || !pb)
+               return;
+       
+       fprintf (stderr, "FIXME: initializers for pointers...\n");
+       printTypeChain (type, stderr);
+       
+       fprintf (stderr, "symbol: %s, DCL_TYPE():%d, DCL_ELEM():%d, IS_ARRAY():%d", sym->rname, DCL_TYPE(type), DCL_ELEM(type), IS_ARRAY(type));
+       fprintf (stderr, "ilist: type=%d (INIT_DEEP=%d, INIT_NODE=%d)\n", ilist->type, INIT_DEEP, INIT_NODE);
+
+       if (ilist && (ilist->type == INIT_DEEP))
+         ilist = ilist->init.deep;
+       
+       /* function pointers */
+       if (IS_FUNC (type->next))
+       {
+               assert ( !"function pointers not yet handled" );
+               //printIvalFuncPtr (type, ilist, pb);
+       }
+
+       if (!(val = initPointer (ilist, type)))
+               return;
+       
+       if (IS_CHAR (type->next))
+       {
+               if (printIvalChar (type, ilist, pb, NULL)) return;
        }
-       break;
-      }
-    }
 
-  /* if we have not been given a size  */
-  if (!DCL_ELEM (type))
-    DCL_ELEM (type) = size;
+       /* check the type */
+       if (compareType (type, val->type) == 0)
+       {
+               werrorfl (ilist->filename, ilist->lineno, W_INIT_WRONG);
+               printFromToType (val->type, type);
+       }
 
-  return;
+       if (IS_LITERAL (val->etype))
+       {
+               switch (getSize (type))
+               {
+               case 1:
+                       fprintf (stderr, "BYTE: %i\n", (unsigned char)floatFromVal (val) & 0x00FF);
+                       break;
+               case 2:
+                       fprintf (stderr, "WORD: %i\n", (unsigned int)floatFromVal (val) & 0x00FFFF);
+                       break;
+               case 3: /* gneric pointers */
+                       assert ( !"generic pointers not yet handled" );
+               case 4:
+                       fprintf (stderr, "LONG: %i\n", (unsigned int)floatFromVal (val) & 0x0000FFFFFFFF);
+                       break;
+               default:
+                       assert ( !"invaild size of value -- aborting" );
+               } // switch
+
+               return;
+       } // if (IS_LITERAL)
+
+       /* now handle symbolic values */
+       switch (getSize (type))
+       {
+       case 1:
+               fprintf (stderr, "BYTE: %s", val->name);
+               break;
+       case 2:
+               fprintf (stderr, "WORD: %s", val->name);
+               break;
+       case 4:
+               fprintf (stderr, "LONG: %s", val->name);
+               break;
+       default:
+               assert ( !"invalid size of (symbolic) value -- aborting" );
+       } // switch
 }
 
 /*-----------------------------------------------------------------*/
@@ -396,40 +752,40 @@ printIvalArray (symbol * sym, sym_link * type, initList * ilist,
 static void 
 printIval (symbol * sym, sym_link * type, initList * ilist, pBlock *pb)
 {
-  if (!ilist || !pb)
-    return;
-
-  /* if structure then    */
-  if (IS_STRUCT (type))
-    {
-      //fprintf(stderr,"%s struct\n",__FUNCTION__);
-      //printIvalStruct (sym, type, ilist, oFile);
-      return;
-    }
-
-  /* if this is a pointer */
-  if (IS_PTR (type))
-    {
-      //fprintf(stderr,"%s pointer\n",__FUNCTION__);
-      //printIvalPtr (sym, type, ilist, oFile);
-      return;
-    }
-
-  /* if this is an array   */
-  if (IS_ARRAY (type))
-    {
-      //fprintf(stderr,"%s array\n",__FUNCTION__);
-      printIvalArray (sym, type, ilist, pb);
-      return;
-    }
-
-  /* if type is SPECIFIER */
-  if (IS_SPEC (type))
-    {
-      //fprintf(stderr,"%s spec\n",__FUNCTION__);
-      printIvalType (sym, type, ilist, pb);
-      return;
-    }
+       if (!ilist || !pb)
+               return;
+       
+       /* if structure then    */
+       if (IS_STRUCT (type))
+       {
+               //fprintf(stderr,"%s struct: %s\n",__FUNCTION__, sym->rname);
+               printIvalStruct (sym, type, ilist, pb);
+               return;
+       }
+       
+       /* if this is an array   */
+       if (IS_ARRAY (type))
+       {
+               //fprintf(stderr,"%s array: %s\n",__FUNCTION__, sym->rname);
+               printIvalArray (sym, type, ilist, pb);
+               return;
+       }
+       
+       /* if this is a pointer */
+       if (IS_PTR (type))
+       {
+               //fprintf(stderr,"%s pointer: %s\n",__FUNCTION__, sym->rname);
+               printIvalPtr (sym, type, ilist, pb);
+               return;
+       }
+       
+       /* if type is SPECIFIER */
+       if (IS_SPEC (type))
+       {
+               //fprintf(stderr,"%s spec %s\n",__FUNCTION__, sym->rname);
+               printIvalType (sym, type, ilist, pb);
+               return;
+       }
 }
 
 extern void pCodeConstString(char *name, char *value);
@@ -439,94 +795,94 @@ extern void pCodeConstString(char *name, char *value);
 static void
 pic14emitStaticSeg (memmap * map)
 {
-  symbol *sym;
-
-  fprintf (map->oFile, ";\t.area\t%s\n", map->sname);
-
-  //fprintf(stderr, "%s\n",__FUNCTION__);
-
-  /* for all variables in this segment do */
-  for (sym = setFirstItem (map->syms); sym;
-       sym = setNextItem (map->syms))
-    {
-    /* if extern then add it into the extern list */
-    if (IS_EXTERN (sym->etype)) {
-      addSetHead (&externs, sym);
-      continue;
-    }
-
-      /* if it is not static add it to the public
-         table */
-      if (!IS_STATIC (sym->etype))
-       addSetHead (&publics, sym);
-
-      /* print extra debug info if required */
-      if (options.debug || sym->level == 0)
-       {
-         if (!sym->level)
-           {                   /* global */
-             if (IS_STATIC (sym->etype))
-               fprintf (code->oFile, "F%s_", moduleName);      /* scope is file */
-             else
-               fprintf (code->oFile, "G_");    /* scope is global */
-           }
-         else
-           /* symbol is local */
-           fprintf (code->oFile, "L%s_",
-                    (sym->localof ? sym->localof->name : "-null-"));
-         fprintf (code->oFile, "%s_%d_%d", sym->name, sym->level, sym->block);
-
-       }
-
-      /* if it has an absolute address */
-      if (SPEC_ABSA (sym->etype))
-       {
-         if (options.debug || sym->level == 0)
-           fprintf (code->oFile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
-
-         fprintf (code->oFile, "%s\t=\t0x%04x\n",
-                  sym->rname,
-                  SPEC_ADDR (sym->etype));
-       }
-      else
+       symbol *sym;
+       
+       dbuf_printf (&map->oBuf, ";\t.area\t%s\n", map->sname);
+       
+       //fprintf(stderr, "%s\n",__FUNCTION__);
+       
+       /* for all variables in this segment do */
+       for (sym = setFirstItem (map->syms); sym;
+       sym = setNextItem (map->syms))
        {
-         if (options.debug || sym->level == 0)
-           fprintf (code->oFile, " == .\n");
-
-         /* if it has an initial value */
-         if (sym->ival)
-           {
-             pBlock *pb;
-
-             fprintf (code->oFile, "%s:\n", sym->rname);
-             noAlloc++;
-             resolveIvalSym (sym->ival);
-             //printIval (sym, sym->type, sym->ival, code->oFile);
-             pb = newpCodeChain(NULL, 'P',newpCodeCharP("; Starting pCode block for Ival"));
-             addpBlock(pb);
-             addpCode2pBlock(pb,newpCodeLabel(sym->rname,-1));
-
-             printIval (sym, sym->type, sym->ival, pb);
-             noAlloc--;
-           }
-         else
-           {
-
-             /* allocate space */
-             fprintf (code->oFile, "%s:\n", sym->rname);
-             /* special case for character strings */
-             if (IS_ARRAY (sym->type) && IS_CHAR (sym->type->next) &&
-                 SPEC_CVAL (sym->etype).v_char)
-               pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char);
-               /*printChar (code->oFile,
-                          SPEC_CVAL (sym->etype).v_char,
-                          strlen (SPEC_CVAL (sym->etype).v_char) + 1);*/
-             else
-               fprintf (code->oFile, "\t.ds\t0x%04x\n", (unsigned int) getSize (sym->type) & 0xffff);
-           }
+               /* if extern then add it into the extern list */
+               if (IS_EXTERN (sym->etype)) {
+                       addSetHead (&externs, sym);
+                       continue;
+               }
+               
+               /* if it is not static add it to the public
+               table */
+               if (!IS_STATIC (sym->etype))
+                       addSetHead (&publics, sym);
+               
+               /* print extra debug info if required */
+               if (options.debug || sym->level == 0)
+               {
+                       if (!sym->level)
+                       {                       /* global */
+                               if (IS_STATIC (sym->etype))
+                                       dbuf_printf (&code->oBuf, "F%s_", moduleName);  /* scope is file */
+                               else
+                                       dbuf_printf (&code->oBuf, "G_");        /* scope is global */
+                       }
+                       else
+                               /* symbol is local */
+                               dbuf_printf (&code->oBuf, "L%s_",
+                               (sym->localof ? sym->localof->name : "-null-"));
+                       dbuf_printf (&code->oBuf, "%s_%d_%d", sym->name, sym->level, sym->block);
+                       
+               }
+               
+               /* if it has an absolute address */
+               if (SPEC_ABSA (sym->etype))
+               {
+                       if (options.debug || sym->level == 0)
+                               dbuf_printf (&code->oBuf, " == 0x%04x\n", SPEC_ADDR (sym->etype));
+                       
+                       dbuf_printf (&code->oBuf, "%s\t=\t0x%04x\n",
+                               sym->rname,
+                               SPEC_ADDR (sym->etype));
+               }
+               else
+               {
+                       if (options.debug || sym->level == 0)
+                               dbuf_printf (&code->oBuf, " == .\n");
+                       
+                       /* if it has an initial value */
+                       if (sym->ival)
+                       {
+                               pBlock *pb;
+                               
+                               dbuf_printf (&code->oBuf, "%s:\n", sym->rname);
+                               noAlloc++;
+                               resolveIvalSym (sym->ival, sym->type);
+                               //printIval (sym, sym->type, sym->ival, &code->oBuf);
+                               pb = newpCodeChain(NULL, 'P',newpCodeCharP("; Starting pCode block for Ival"));
+                               addpBlock(pb);
+                               addpCode2pBlock(pb,newpCodeLabel(sym->rname,-1));
+                               
+                               printIval (sym, sym->type, sym->ival, pb);
+                               noAlloc--;
+                       }
+                       else
+                       {
+                               
+                               /* allocate space */
+                               dbuf_printf (&code->oBuf, "%s:\n", sym->rname);
+                               /* special case for character strings */
+                               if (IS_ARRAY (sym->type) && IS_CHAR (sym->type->next) &&
+                                       SPEC_CVAL (sym->etype).v_char)
+                                       pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char);
+                                       /*printChar (code->oFile,
+                                       SPEC_CVAL (sym->etype).v_char,
+                               strlen (SPEC_CVAL (sym->etype).v_char) + 1);*/
+                               else
+                                       dbuf_printf (&code->oBuf, "\t.ds\t0x%04x\n", (unsigned int) getSize (sym->type) & 0xffff);
+                       }
+               }
        }
-    }
-
+       
 }
 
 
@@ -536,57 +892,56 @@ pic14emitStaticSeg (memmap * map)
 static void
 pic14emitMaps ()
 {
-  /* no special considerations for the following
-     data, idata & bit & xdata */
-  pic14emitRegularMap (data, TRUE, TRUE);
-  pic14emitRegularMap (idata, TRUE, TRUE);
-  pic14emitRegularMap (bit, TRUE, FALSE);
-  pic14emitRegularMap (xdata, TRUE, TRUE);
-  pic14emitRegularMap (sfr, FALSE, FALSE);
-  pic14emitRegularMap (sfrbit, FALSE, FALSE);
-  pic14emitRegularMap (code, TRUE, FALSE);
-  pic14emitStaticSeg (statsg);
+       pic14_constructAbsMap (&sfr->oBuf);
+/* no special considerations for the following
+       data, idata & bit & xdata */
+       pic14emitRegularMap (data, TRUE, TRUE);
+       pic14emitRegularMap (idata, TRUE, TRUE);
+       pic14emitRegularMap (bit, TRUE, FALSE);
+       pic14emitRegularMap (xdata, TRUE, TRUE);
+       pic14emitRegularMap (sfr, TRUE, FALSE);
+       pic14emitRegularMap (sfrbit, FALSE, FALSE);
+       pic14emitRegularMap (code, TRUE, FALSE);
+       pic14emitStaticSeg (statsg);
+       pic14emitStaticSeg (c_abs);
 }
 
 /*-----------------------------------------------------------------*/
 /* createInterruptVect - creates the interrupt vector              */
 /*-----------------------------------------------------------------*/
 static void
-pic14createInterruptVect (FILE * vFile)
+pic14createInterruptVect (struct dbuf_s * vBuf)
 {
-  mainf = newSymbol ("main", 0);
-  mainf->block = 0;
-
-  /* only if the main function exists */
-  if (!(mainf = findSymWithLevel (SymbolTab, mainf)))
-    {
-      if (!options.cc_only)
-//     werror (E_NO_MAIN);
-      fprintf(stderr,"WARNING: function 'main' undefined\n");
-      return;
-    }
-
-  /* if the main is only a prototype ie. no body then do nothing */
-  if (!IFFUNC_HASBODY(mainf->type))
-    {
-      /* if ! compile only then main function should be present */
-      if (!options.cc_only)
-//     werror (E_NO_MAIN);
-      fprintf(stderr,"WARNING: function 'main' undefined\n");
-      return;
-    }
-
-  fprintf (vFile, "%s", iComments2);
-  fprintf (vFile, "; config word \n");
-  fprintf (vFile, "%s", iComments2);
-  fprintf (vFile, "\t__config 0x%x\n", getConfigWord(0x2007));
-
-  fprintf (vFile, "%s", iComments2);
-  fprintf (vFile, "; reset vector \n");
-  fprintf (vFile, "%s", iComments2);
-  fprintf (vFile, "STARTUP\t%s\n", CODE_NAME); // Lkr file should place section STARTUP at address 0x0
-  fprintf (vFile, "\tnop\n"); /* first location for used by incircuit debugger */
-  fprintf (vFile, "\tgoto\t__sdcc_gsinit_startup\n");
+       mainf = newSymbol ("main", 0);
+       mainf->block = 0;
+       
+       /* only if the main function exists */
+       if (!(mainf = findSymWithLevel (SymbolTab, mainf)))
+       {
+               struct options *op = &options;
+               if (!(op->cc_only || noAssemble))
+                       //      werror (E_NO_MAIN);
+                       fprintf(stderr,"WARNING: function 'main' undefined\n");
+               return;
+       }
+       
+       /* if the main is only a prototype ie. no body then do nothing */
+       if (!IFFUNC_HASBODY(mainf->type))
+       {
+               /* if ! compile only then main function should be present */
+               if (!(options.cc_only || noAssemble))
+                       //      werror (E_NO_MAIN);
+                       fprintf(stderr,"WARNING: function 'main' undefined\n");
+               return;
+       }
+       
+       dbuf_printf (vBuf, "%s", iComments2);
+       dbuf_printf (vBuf, "; reset vector \n");
+       dbuf_printf (vBuf, "%s", iComments2);
+       dbuf_printf (vBuf, "STARTUP\t%s\n", CODE_NAME); // Lkr file should place section STARTUP at address 0x0
+       dbuf_printf (vBuf, "\tnop\n"); /* first location for used by incircuit debugger */
+       dbuf_printf (vBuf, "\tpagesel __sdcc_gsinit_startup\n");
+       dbuf_printf (vBuf, "\tgoto\t__sdcc_gsinit_startup\n");
 }
 
 
@@ -596,10 +951,87 @@ pic14createInterruptVect (FILE * vFile)
 static void
 pic14initialComments (FILE * afile)
 {
-  initialComments (afile);
-  fprintf (afile, "; PIC port for the 14-bit core\n");
-  fprintf (afile, iComments2);
+       initialComments (afile);
+       fprintf (afile, "; PIC port for the 14-bit core\n");
+       fprintf (afile, iComments2);
+       
+}
+
+int
+pic14_stringInSet(const char *str, set **world, int autoAdd)
+{
+  char *s;
+
+  if (!str) return 1;
+  assert(world);
 
+  for (s = setFirstItem(*world); s; s = setNextItem(*world))
+  {
+    /* found in set */
+    if (0 == strcmp(s, str)) return 1;
+  }
+
+  /* not found */
+  if (autoAdd) addSet(world, Safe_strdup(str));
+  return 0;
+}
+
+static int
+pic14_emitSymbolIfNew(FILE *file, const char *fmt, const char *sym, int checkLocals)
+{
+  if (!pic14_stringInSet(sym, &emitted, 1)) {
+    /* sym was not in emittedSymbols */
+    if (!checkLocals || !pic14_stringInSet(sym, &pic14_localFunctions, 0)) {
+      /* sym is not a locally defined function---avoid bug #1443651 */
+      fprintf( file, fmt, sym );
+      return 0;
+    }
+  }
+  return 1;
+}
+
+/*-------------------------------------------------------------------*/
+/* emitSymbol - write a symbol definition only if it is not    */
+/*                    already present                                */
+/*-------------------------------------------------------------------*/
+
+static void
+emitSymbol (struct dbuf_s *oBuf, const char *name, const char *section_type, int size, int addr, int useEQU, int globalize)
+{
+    static unsigned int sec_idx = 0;
+
+    /* workaround: variables declared via `sbit' result in a numeric
+     * identifier (0xHH), EQU'ing them is invalid, so just ignore it.
+     * sbit is heavily used in the inc2h-generated header files!
+     */
+    if (!is_valid_identifier(name))
+    {
+       //fprintf( stderr, "%s:%s:%u: ignored symbol: %s\n", __FILE__, __FUNCTION__, __LINE__, name );
+       return;
+    }
+
+    /* check whether the symbol is already defined */
+    if (pic14_stringInSet(name, &emitted, 1)) return;
+
+    /* new symbol -- define it */
+    //fprintf (stderr, "%s: emitting %s (%d)\n", __FUNCTION__, name, size);
+    if (useEQU) {
+       dbuf_printf (oBuf, "%s\tEQU\t0x%04x\n", name, addr);
+    } else {
+       /* we place each symbol into a section of its own to allow the linker
+        * to distribute the data into all available memory banks */
+       if (!section_type) section_type = "udata";
+       if (addr != -1)
+       {
+           /* absolute symbols are handled in pic14_constructAbsMap */
+           /* do nothing */
+       } else {
+           if (globalize) dbuf_printf (oBuf, "\tglobal\t%s\n", name);
+           dbuf_printf (oBuf, "udata_%s_%u\t%s\n", moduleName,
+                   sec_idx++, section_type);
+           dbuf_printf (oBuf, "%s\tres\t%d\n", name, size);
+       }
+    }
 }
 
 /*-----------------------------------------------------------------*/
@@ -608,15 +1040,14 @@ pic14initialComments (FILE * afile)
 static void
 pic14printExterns (FILE * afile)
 {
-  symbol *sym;
-
-  fprintf (afile, "%s", iComments2);
-  fprintf (afile, "; extern variables in this module\n");
-  fprintf (afile, "%s", iComments2);
-
-  for (sym = setFirstItem (externs); sym;
-       sym = setNextItem (externs))
-    fprintf (afile, "\textern %s\n", sym->rname);
+       symbol *sym;
+       
+       fprintf (afile, "%s", iComments2);
+       fprintf (afile, "; extern variables in this module\n");
+       fprintf (afile, "%s", iComments2);
+       
+       for (sym = setFirstItem (externs); sym; sym = setNextItem (externs))
+               pic14_emitSymbolIfNew(afile, "\textern %s\n", sym->rname, 1);
 }
 
 /*-----------------------------------------------------------------*/
@@ -628,367 +1059,431 @@ pic14printPublics (FILE * afile)
   symbol *sym;
 
   fprintf (afile, "%s", iComments2);
-  fprintf (afile, "; publics variables in this module\n");
+  fprintf (afile, "; public variables in this module\n");
   fprintf (afile, "%s", iComments2);
 
   for (sym = setFirstItem (publics); sym;
-       sym = setNextItem (publics)) {
+      sym = setNextItem (publics)) {
 
     if(!IS_BITFIELD(sym->type) && ((IS_FUNC(sym->type) || sym->allocreq))) {
       if (!IS_BITVAR(sym->type))
-        fprintf (afile, "\tglobal %s\n", sym->rname);
+       pic14_emitSymbolIfNew(afile, "\tglobal %s\n", sym->rname, 0);
     } else {
-               /* Absolute variables are defines in the asm file as equates and thus can not be made global. */
-         if (!SPEC_ABSA (sym->etype))
-             fprintf (afile, "\tglobal %s\n", sym->rname);
-       }
+      /* Absolute variables are defines in the asm file as equates and thus can not be made global. */
+      /* Not any longer! */
+      //if (!SPEC_ABSA (sym->etype))
+      pic14_emitSymbolIfNew(afile, "\tglobal %s\n", sym->rname, 0);
+    }
   }
 }
 
-/*-----------------------------------------------------------------*/
-/* emitOverlay - will emit code for the overlay stuff              */
-/*-----------------------------------------------------------------*/
 static void
-pic14emitOverlay (FILE * afile)
+pic14printLocals (FILE * afile)
 {
-  set *ovrset;
-
-/*  if (!elementsInSet (ovrSetSets))*/
+  set *allregs[6] = { dynAllocRegs, dynStackRegs, dynProcessorRegs, dynDirectRegs, dynDirectBitRegs, dynInternalRegs };
+  regs *reg;
+  int i;
+  struct dbuf_s dbuf;
 
-  /* the hack below, fixes translates for devices which
-   * only have udata_shr memory */
-  fprintf (afile, "%s\t%s\n",
-       (elementsInSet(ovrSetSets)?"":";"),
-       port->mem.overlay_name);
+  dbuf_init(&dbuf, 1024);
+  /* emit all registers from all possible sets */
+  for (i = 0; i < 6; i++) {
+    if (allregs[i] == NULL) continue;
 
-  /* for each of the sets in the overlay segment do */
-  for (ovrset = setFirstItem (ovrSetSets); ovrset;
-       ovrset = setNextItem (ovrSetSets))
-    {
+    for (reg = setFirstItem(allregs[i]); reg; reg = setNextItem(allregs[i])) {
+      if (reg->isEmitted) continue;
 
-      symbol *sym;
+      if (reg->wasUsed && !reg->isExtern) {
+        emitSymbol(&dbuf, reg->name, "udata", reg->size, reg->isFixed ? reg->address : -1, 0, reg->isPublic);
+      }
+      reg->isEmitted = 1;
+    } // for
+  } // for
+  dbuf_write_and_destroy(&dbuf, afile);
+}
 
-      if (elementsInSet (ovrset))
-       {
-         /* this dummy area is used to fool the assembler
-            otherwise the assembler will append each of these
-            declarations into one chunk and will not overlay
-            sad but true */
-             
-          /* I don't think this applies to us. We are using gpasm.  CRF */
-          
-         fprintf (afile, ";\t.area _DUMMY\n");
-         /* output the area informtion */
-         fprintf (afile, ";\t.area\t%s\n", port->mem.overlay_name);    /* MOF */
-       }
-
-      for (sym = setFirstItem (ovrset); sym;
-          sym = setNextItem (ovrset))
+/*-----------------------------------------------------------------*/
+/* emitOverlay - will emit code for the overlay stuff              */
+/*-----------------------------------------------------------------*/
+static void
+pic14emitOverlay (struct dbuf_s * aBuf)
+{
+       set *ovrset;
+       
+       /*  if (!elementsInSet (ovrSetSets))*/
+       
+       /* the hack below, fixes translates for devices which
+       * only have udata_shr memory */
+       dbuf_printf (aBuf, "%s\t%s\n",
+               (elementsInSet(ovrSetSets)?"":";"),
+               port->mem.overlay_name);
+       
+       /* for each of the sets in the overlay segment do */
+       for (ovrset = setFirstItem (ovrSetSets); ovrset;
+       ovrset = setNextItem (ovrSetSets))
        {
-
-         /* if extern then do nothing */
-         if (IS_EXTERN (sym->etype))
-           continue;
-
-         /* if allocation required check is needed
-            then check if the symbol really requires
-            allocation only for local variables */
-         if (!IS_AGGREGATE (sym->type) &&
-             !(sym->_isparm && !IS_REGPARM (sym->etype))
-             && !sym->allocreq && sym->level)
-           continue;
-
-         /* if global variable & not static or extern
-            and addPublics allowed then add it to the public set */
-         if ((sym->_isparm && !IS_REGPARM (sym->etype))
-             && !IS_STATIC (sym->etype))
-           addSetHead (&publics, sym);
-
-         /* if extern then do nothing or is a function
-            then do nothing */
-         if (IS_FUNC (sym->type))
-           continue;
-
-         /* print extra debug info if required */
-         if (options.debug || sym->level == 0)
-           {
-             if (!sym->level)
-               {               /* global */
-                 if (IS_STATIC (sym->etype))
-                   fprintf (afile, "F%s_", moduleName);        /* scope is file */
-                 else
-                   fprintf (afile, "G_");      /* scope is global */
+               
+               symbol *sym;
+               
+               if (elementsInSet (ovrset))
+               {
+               /* this dummy area is used to fool the assembler
+               otherwise the assembler will append each of these
+               declarations into one chunk and will not overlay
+                       sad but true */
+                       
+                       /* I don't think this applies to us. We are using gpasm.  CRF */
+                       
+                       dbuf_printf (aBuf, ";\t.area _DUMMY\n");
+                       /* output the area informtion */
+                       dbuf_printf (aBuf, ";\t.area\t%s\n", port->mem.overlay_name);   /* MOF */
+               }
+               
+               for (sym = setFirstItem (ovrset); sym;
+               sym = setNextItem (ovrset))
+               {
+                       
+                       /* if extern then do nothing */
+                       if (IS_EXTERN (sym->etype))
+                               continue;
+                       
+                               /* if allocation required check is needed
+                               then check if the symbol really requires
+                       allocation only for local variables */
+                       if (!IS_AGGREGATE (sym->type) &&
+                               !(sym->_isparm && !IS_REGPARM (sym->etype))
+                               && !sym->allocreq && sym->level)
+                               continue;
+                       
+                               /* if global variable & not static or extern
+                       and addPublics allowed then add it to the public set */
+                       if ((sym->_isparm && !IS_REGPARM (sym->etype))
+                               && !IS_STATIC (sym->etype))
+                               addSetHead (&publics, sym);
+                       
+                               /* if extern then do nothing or is a function
+                       then do nothing */
+                       if (IS_FUNC (sym->type))
+                               continue;
+                       
+                       /* print extra debug info if required */
+                       if (options.debug || sym->level == 0)
+                       {
+                               if (!sym->level)
+                               {               /* global */
+                                       if (IS_STATIC (sym->etype))
+                                               dbuf_printf (aBuf, "F%s_", moduleName); /* scope is file */
+                                       else
+                                               dbuf_printf (aBuf, "G_");       /* scope is global */
+                               }
+                               else
+                                       /* symbol is local */
+                                       dbuf_printf (aBuf, "L%s_",
+                                       (sym->localof ? sym->localof->name : "-null-"));
+                               dbuf_printf (aBuf, "%s_%d_%d", sym->name, sym->level, sym->block);
+                       }
+                       
+                       /* if is has an absolute address then generate
+                       an equate for this no need to allocate space */
+                       if (SPEC_ABSA (sym->etype))
+                       {
+                               
+                               if (options.debug || sym->level == 0)
+                                       dbuf_printf (aBuf, " == 0x%04x\n", SPEC_ADDR (sym->etype));
+                               
+                               dbuf_printf (aBuf, "%s\t=\t0x%04x\n",
+                                       sym->rname,
+                                       SPEC_ADDR (sym->etype));
+                       }
+                       else
+                       {
+                               if (options.debug || sym->level == 0)
+                                       dbuf_printf (aBuf, "==.\n");
+                               
+                               /* allocate space */
+                               dbuf_printf (aBuf, "%s:\n", sym->rname);
+                               dbuf_printf (aBuf, "\t.ds\t0x%04x\n", (unsigned int) getSize (sym->type) & 0xffff);
+                       }
+                       
                }
-             else
-               /* symbol is local */
-               fprintf (afile, "L%s_",
-                        (sym->localof ? sym->localof->name : "-null-"));
-             fprintf (afile, "%s_%d_%d", sym->name, sym->level, sym->block);
-           }
-
-         /* if is has an absolute address then generate
-            an equate for this no need to allocate space */
-         if (SPEC_ABSA (sym->etype))
-           {
-
-             if (options.debug || sym->level == 0)
-               fprintf (afile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
-
-             fprintf (afile, "%s\t=\t0x%04x\n",
-                      sym->rname,
-                      SPEC_ADDR (sym->etype));
-           }
-         else
-           {
-             if (options.debug || sym->level == 0)
-               fprintf (afile, "==.\n");
-
-             /* allocate space */
-             fprintf (afile, "%s:\n", sym->rname);
-             fprintf (afile, "\t.ds\t0x%04x\n", (unsigned int) getSize (sym->type) & 0xffff);
-           }
-
        }
-    }
 }
 
 
+void
+pic14_emitInterruptHandler (FILE * asmFile)
+{
+       if (pic14_hasInterrupt)
+       {
+
+               fprintf (asmFile, "%s", iComments2);
+               fprintf (asmFile, "; interrupt and initialization code\n");
+               fprintf (asmFile, "%s", iComments2);
+               // Note - for mplink may have to enlarge section vectors in .lnk file
+               // Note: Do NOT name this code_interrupt to avoid nameclashes with
+               //       source files's code segment (interrupt.c -> code_interrupt)
+               fprintf (asmFile, "c_interrupt\t%s\t0x4\n", CODE_NAME);
+               
+               /* interrupt service routine */
+               fprintf (asmFile, "__sdcc_interrupt\n");
+               copypCode(asmFile, 'I');
+       }       
+}
+
 /*-----------------------------------------------------------------*/
 /* glue - the final glue that hold the whole thing together        */
 /*-----------------------------------------------------------------*/
 void
 picglue ()
 {
-  char udata_name[80];
-  FILE *vFile;
-  FILE *asmFile;
-  FILE *ovrFile = tempfile();
-
-  addSetHead(&tmpfileSet,ovrFile);
-  pCodeInitRegisters();
-
-  if (mainf && IFFUNC_HASBODY(mainf->type)) {
-
-    pBlock *pb = newpCodeChain(NULL,'X',newpCodeCharP("; Starting pCode block"));
-    addpBlock(pb);
-
-    /* entry point @ start of CSEG */
-    addpCode2pBlock(pb,newpCodeLabel("__sdcc_program_startup",-1));
-    /* put in the call to main */
-    addpCode2pBlock(pb,newpCode(POC_CALL,newpCodeOp("_main",PO_STR)));
-
-    if (options.mainreturn) {
-
-      addpCode2pBlock(pb,newpCodeCharP(";\treturn from main will return to caller\n"));
-      addpCode2pBlock(pb,newpCode(POC_RETURN,NULL));
-
-    } else {
-
-      addpCode2pBlock(pb,newpCodeCharP(";\treturn from main will lock up\n"));
-      addpCode2pBlock(pb,newpCode(POC_GOTO,newpCodeOp("$",PO_STR)));
-
-    }
-  }
-
-
-  /* At this point we've got all the code in the form of pCode structures */
-  /* Now it needs to be rearranged into the order it should be placed in the */
-  /* code space */
-
-  movepBlock2Head('P');              // Last
-  movepBlock2Head(code->dbName);
-  movepBlock2Head('X');
-  movepBlock2Head(statsg->dbName);   // First
-
+       char udata_name[80];
+       FILE *asmFile;
+        struct dbuf_s ovrBuf;
+        struct dbuf_s vBuf;
 
-  /* print the global struct definitions */
-  if (options.debug)
-    cdbStructBlock (0);
-
-  vFile = tempfile();
-
-  addSetHead(&tmpfileSet,vFile);
-    
-  /* emit code for the all the variables declared */
-  pic14emitMaps ();
-  /* do the overlay segments */
-  pic14emitOverlay(ovrFile);
-
-  /* PENDING: this isnt the best place but it will do */
-  if (port->general.glue_up_main) {
-    /* create the interrupt vector table */
-    pic14createInterruptVect (vFile);
-  }
-
-  AnalyzepCode('*');
-
-  ReuseReg(); // ReuseReg where call tree permits
-
-  InlinepCode();
-
-  AnalyzepCode('*');
-
-  pcode_test();
-
-
-  /* now put it all together into the assembler file */
-  /* create the assembler file name */
-    
-  if ((noAssemble || options.c1mode) && fullDstFileName)
-    {
-      sprintf (buffer, fullDstFileName);
-    }
-  else
-    {
-      sprintf (buffer, dstFileName);
-      strcat (buffer, ".asm");
-    }
-
-  if (!(asmFile = fopen (buffer, "w"))) {
-    werror (E_FILE_OPEN_ERR, buffer);
-    exit (1);
-  }
-    
-  /* initial comments */
-  pic14initialComments (asmFile);
-    
-  /* print module name */
-  fprintf (asmFile, ";\t.module %s\n", moduleName);
-    
-  /* Let the port generate any global directives, etc. */
-  if (port->genAssemblerPreamble)
-    {
-      port->genAssemblerPreamble(asmFile);
-    }
-    
-  /* print the extern variables in this module */
-  pic14printExterns (asmFile);
+        dbuf_init(&ovrBuf, 4096);
+        dbuf_init(&vBuf, 4096);
 
-  /* print the global variables in this module */
-  pic14printPublics (asmFile);
+       pCodeInitRegisters();
 
-  /* copy the sfr segment */
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "; special function registers\n");
-  fprintf (asmFile, "%s", iComments2);
-  copyFile (asmFile, sfr->oFile);
+       /* check for main() */
+       mainf = newSymbol ("main", 0);
+       mainf->block = 0;
+       mainf = findSymWithLevel (SymbolTab, mainf);
 
-  
-  if (udata_section_name) {
-    sprintf(udata_name,"%s",udata_section_name);
-  } else {
-    sprintf(udata_name,"data_%s",moduleName);
-  }
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "; udata\n");
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "%s\tudata\n", udata_name);
-  copyFile (asmFile, data->oFile);
-
-  /* Put all variables into a cblock */
-  AnalyzeBanking();
-  writeUsedRegs(asmFile);
-
-  /* create the overlay segments */
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "; overlayable items in internal ram \n");
-  fprintf (asmFile, "%s", iComments2);    
-  copyFile (asmFile, ovrFile);
+       if (!mainf || !IFFUNC_HASBODY(mainf->type))
+       {
+               /* main missing -- import stack from main module */
+               //fprintf (stderr, "main() missing -- assuming we are NOT the main module\n");
+               pic14_options.isLibrarySource = 1;
+       }
 
 #if 0
+       if (mainf && IFFUNC_HASBODY(mainf->type)) {
+               
+               pBlock *pb = newpCodeChain(NULL,'X',newpCodeCharP("; Starting pCode block"));
+               addpBlock(pb);
+               
+               /* entry point @ start of CSEG */
+               addpCode2pBlock(pb,newpCodeLabel("__sdcc_program_startup",-1));
+               /* put in the call to main */
+               addpCode2pBlock(pb,newpCode(POC_CALL,newpCodeOp("_main",PO_STR)));
+               
+               if (options.mainreturn) {
+                       
+                       addpCode2pBlock(pb,newpCodeCharP(";\treturn from main will return to caller\n"));
+                       addpCode2pBlock(pb,newpCode(POC_RETURN,NULL));
+                       
+               } else {
+                       
+                       addpCode2pBlock(pb,newpCodeCharP(";\treturn from main will lock up\n"));
+                       addpCode2pBlock(pb,newpCode(POC_GOTO,newpCodeOp("$",PO_STR)));
+                       
+               }
+       }
+#endif 
+       
+       /* At this point we've got all the code in the form of pCode structures */
+       /* Now it needs to be rearranged into the order it should be placed in the */
+       /* code space */
+       
+       movepBlock2Head('P');              // Last
+       movepBlock2Head(code->dbName);
+       movepBlock2Head('X');
+       movepBlock2Head(statsg->dbName);   // First
+       
+       
+       /* print the global struct definitions */
+       if (options.debug)
+               cdbStructBlock (0);
+       
+       /* emit code for the all the variables declared */
+       pic14emitMaps ();
+       /* do the overlay segments */
+       pic14emitOverlay(&ovrBuf);
+       
+       /* PENDING: this isnt the best place but it will do */
+       if (port->general.glue_up_main) {
+               /* create the interrupt vector table */
+               pic14createInterruptVect (&vBuf);
+       }
+       
+       AnalyzepCode('*');
+       
+       ReuseReg(); // ReuseReg where call tree permits
+       
+       InlinepCode();
+       
+       AnalyzepCode('*');
+       
+       pcode_test();
+       
+       
+       /* now put it all together into the assembler file */
+       /* create the assembler file name */
+       
+       if ((noAssemble || options.c1mode) && fullDstFileName)
+       {
+               sprintf (buffer, fullDstFileName);
+       }
+       else
+       {
+               sprintf (buffer, dstFileName);
+               strcat (buffer, ".asm");
+       }
+       
+       if (!(asmFile = fopen (buffer, "w"))) {
+               werror (E_FILE_OPEN_ERR, buffer);
+               exit (1);
+       }
 
-  /* create the stack segment MOF */
-  if (mainf && IFFUNC_HASBODY(mainf->type)) {
-    fprintf (asmFile, "%s", iComments2);
-    fprintf (asmFile, "; Stack segment in internal ram \n");
-    fprintf (asmFile, "%s", iComments2);    
-    fprintf (asmFile, ";\t.area\tSSEG\t(DATA)\n"
-            ";__start__stack:\n;\t.ds\t1\n\n");
-  }
-
-  /* create the idata segment */
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "; indirectly addressable internal ram data\n");
-  fprintf (asmFile, "%s", iComments2);
-  copyFile (asmFile, idata->oFile);
-    
-  /* if external stack then reserve space of it */
-  if (mainf && IFFUNC_HASBODY(mainf->type) && options.useXstack ) {
-    fprintf (asmFile, "%s", iComments2);
-    fprintf (asmFile, "; external stack \n");
-    fprintf (asmFile, "%s", iComments2);
-    fprintf (asmFile,";\t.area XSEG (XDATA)\n"); /* MOF */
-    fprintf (asmFile,";\t.ds 256\n");
-  }
+       /* prepare statistics */
+       resetpCodeStatistics ();
+       
+       /* initial comments */
+       pic14initialComments (asmFile);
+       
+       /* print module name */
+       fprintf (asmFile, ";\t.module %s\n", moduleName);
+       
+       /* Let the port generate any global directives, etc. */
+       if (port->genAssemblerPreamble)
+       {
+               port->genAssemblerPreamble(asmFile);
+       }
 
-  /* copy xtern ram data */
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "; external ram data\n");
-  fprintf (asmFile, "%s", iComments2);
-  copyFile (asmFile, xdata->oFile);
+       /* Emit the __config directive */
+       pic14_emitConfigWord (asmFile);
+       
+       /* print the global variables in this module */
+       pic14printPublics (asmFile);
+       
+       /* print the extern variables in this module */
+       pic14printExterns (asmFile);
+       
+       /* copy the sfr segment */
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "; special function registers\n");
+       fprintf (asmFile, "%s", iComments2);
+        dbuf_write_and_destroy (&sfr->oBuf, asmFile);
+       
+       
+       if (udata_section_name) {
+               sprintf(udata_name,"%s",udata_section_name);
+       } else {
+               sprintf(udata_name,"data_%s",moduleName);
+       }
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "; udata\n");
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "%s\tudata\n", udata_name);
+        dbuf_write_and_destroy(&data->oBuf, asmFile);
+       
+       /* Put all variables into a cblock */
+       AnalyzeBanking();
+
+       /* print the locally defined variables in this module */
+       writeUsedRegs(asmFile);
+       pic14printLocals (asmFile);
+       
+       /* create the overlay segments */
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "; overlayable items in internal ram \n");
+       fprintf (asmFile, "%s", iComments2);    
+        dbuf_write_and_destroy (&ovrBuf, asmFile);
+       
+#if 0
+       
+       /* create the stack segment MOF */
+       if (mainf && IFFUNC_HASBODY(mainf->type)) {
+               fprintf (asmFile, "%s", iComments2);
+               fprintf (asmFile, "; Stack segment in internal ram \n");
+               fprintf (asmFile, "%s", iComments2);    
+               fprintf (asmFile, ";\t.area\tSSEG\t(DATA)\n"
+                       ";__start__stack:\n;\t.ds\t1\n\n");
+       }
+       
+       /* create the idata segment */
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "; indirectly addressable internal ram data\n");
+       fprintf (asmFile, "%s", iComments2);
+        dbuf_write_and_destroy (&idata->oBuf, asmFile);
+
+       /* if external stack then reserve space of it */
+       if (mainf && IFFUNC_HASBODY(mainf->type) && options.useXstack ) {
+               fprintf (asmFile, "%s", iComments2);
+               fprintf (asmFile, "; external stack \n");
+               fprintf (asmFile, "%s", iComments2);
+               fprintf (asmFile,";\t.area XSEG (XDATA)\n"); /* MOF */
+               fprintf (asmFile,";\t.ds 256\n");
+       }
+       
+       /* copy xtern ram data */
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "; external ram data\n");
+       fprintf (asmFile, "%s", iComments2);
+        dbuf_write_and_destroy (&xdata->oBuf, asmFile);
 
 #endif
-
-  /* copy the bit segment */
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "; bit data\n");
-  fprintf (asmFile, "%s", iComments2);
-  copyFile (asmFile, bit->oFile);
-
-  /* copy the interrupt vector table */
-  if (mainf && IFFUNC_HASBODY(mainf->type)) {
-    copyFile (asmFile, vFile);
-    
-    fprintf (asmFile, "%s", iComments2);
-    fprintf (asmFile, "; interrupt and initialization code\n");
-    fprintf (asmFile, "%s", iComments2);
-    fprintf (asmFile, "code_init\t%s\t0x4\n", CODE_NAME); // Note - for mplink may have to enlarge section vectors in .lnk file
-
-    /* interrupt service routine */
-    fprintf (asmFile, "__sdcc_interrupt:\n");
-    copypCode(asmFile, 'I');
-
-    /* initialize data memory */
-    fprintf (asmFile,"__sdcc_gsinit_startup:\n");
-    /* FIXME: This is temporary.  The idata section should be used.  If 
-       not, we could add a special feature to the linker.  This will 
-       work in the mean time.  Put all initalized data in main.c */
-    copypCode(asmFile, statsg->dbName);
-    fprintf (asmFile,"\tpagesel _main\n");
-    fprintf (asmFile,"\tgoto _main\n");
-  }
-
+       
+       /* copy the bit segment */
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "; bit data\n");
+       fprintf (asmFile, "%s", iComments2);
+        dbuf_write_and_destroy (&bit->oBuf, asmFile);
+
+       /* copy the interrupt vector table */
+       if (mainf && IFFUNC_HASBODY(mainf->type))
+         dbuf_write_and_destroy (&vBuf, asmFile);
+        else
+         dbuf_destroy(&vBuf);
+
+       /* create interupt ventor handler */
+       pic14_emitInterruptHandler (asmFile);
+       
+       if (mainf && IFFUNC_HASBODY(mainf->type)) {
+               /* initialize data memory */
+               fprintf (asmFile, "code_init\t%s\n", CODE_NAME); // Note - for mplink may have to enlarge section vectors in .lnk file
+               fprintf (asmFile,"__sdcc_gsinit_startup\n");
+               /* FIXME: This is temporary.  The idata section should be used.  If 
+               not, we could add a special feature to the linker.  This will 
+               work in the mean time.  Put all initalized data in main.c */
+               copypCode(asmFile, statsg->dbName);
+               fprintf (asmFile,"\tpagesel _main\n");
+               fprintf (asmFile,"\tgoto _main\n");
+       }
+       
 #if 0    
-
-  /* copy global & static initialisations */
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "; global & static initialisations\n");
-  fprintf (asmFile, "%s", iComments2);
-  copypCode(asmFile, statsg->dbName);
-
+       
+       /* copy global & static initialisations */
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "; global & static initialisations\n");
+       fprintf (asmFile, "%s", iComments2);
+       copypCode(asmFile, statsg->dbName);
+       
 #endif
-
-  /* copy over code */
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "; code\n");
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "code_%s\t%s\n", moduleName, port->mem.code_name);
-
-  /* unknown */
-  copypCode(asmFile, 'X');
-  
-  /* _main function */
-  copypCode(asmFile, 'M');
-
-  /* other functions */
-  copypCode(asmFile, code->dbName);
-
-  /* unknown */
-  copypCode(asmFile, 'P');
-
-  fprintf (asmFile,"\tend\n");
-
-  fclose (asmFile);
-
-  rm_tmpfiles();
+       
+       /* copy over code */
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "; code\n");
+       fprintf (asmFile, "%s", iComments2);
+       fprintf (asmFile, "code_%s\t%s\n", moduleName, port->mem.code_name);
+       
+       /* unknown */
+       copypCode(asmFile, 'X');
+       
+       /* _main function */
+       copypCode(asmFile, 'M');
+       
+       /* other functions */
+       copypCode(asmFile, code->dbName);
+       
+       /* unknown */
+       copypCode(asmFile, 'P');
+
+       dumppCodeStatistics (asmFile);
+       
+       fprintf (asmFile,"\tend\n");
+       
+       fclose (asmFile);
 }