extern set *tmpfileNameSet;
extern char *iComments1;
extern char *iComments2;
-//extern void emitStaticSeg (memmap * map);
extern int initsfpnt;
+extern unsigned long pFile_isize;
+extern unsigned long pic16_countInstructions();
set *rel_idataSymSet=NULL;
set *fix_idataSymSet=NULL;
extern DEFSETFUNC (rmTmpFiles);
extern void pic16_AnalyzeBanking (void);
+extern void pic16_OptimizeJumps ();
extern void copyFile (FILE * dest, FILE * src);
extern void pic16_InlinepCode(void);
extern void pic16_writeUsedRegs(FILE *);
extern void printPublics (FILE * afile);
void pic16_pCodeInitRegisters(void);
-pCodeOp *pic16_popGetLit(unsigned int lit);
-pCodeOp *pic16_popGetLit2(unsigned int lit, pCodeOp *arg2);
pCodeOp *pic16_popCopyReg(pCodeOpReg *pc);
extern void pic16_pCodeConstString(char *name, char *value);
+
/*-----------------------------------------------------------------*/
/* aopLiteral - string from a literal value */
/*-----------------------------------------------------------------*/
for (sym = setFirstItem (map->syms); sym; sym = setNextItem (map->syms)) {
#if 0
- fprintf(stderr, "%s\t%s: sym: %s\tused: %d\textern: %d\tstatic: %d\taggregate: %d\n",
+ fprintf(stderr, "%s\t%s: sym: %s\tused: %d\textern: %d\tstatic: %d\taggregate: %d\tregister: 0x%x\tfunction: %d\n",
__FUNCTION__,
map->sname, sym->name, sym->used, IS_EXTERN(sym->etype), IS_STATIC(sym->etype),
- IS_AGGREGATE(sym->type));
+ IS_AGGREGATE(sym->type), (SPEC_SCLS(sym->etype) == S_REGISTER), IS_FUNC(sym->type));
printTypeChain( sym->type, stderr );
fprintf(stderr, "\n");
#endif
/* if extern then add to externs */
if (IS_EXTERN (sym->etype)) {
- checkAddSym(&externs, sym);
+ /* reduce overhead while linking by not declaring
+ * extern unused external functions (usually declared
+ * in header files) */
+ if(IS_FUNC(sym->type) && !sym->used)continue;
+
+ /* make sure symbol is not in publics section */
+ if(!checkSym(publics, sym))
+ checkAddSym(&externs, sym);
continue;
}
/* if allocation required check is needed
- * then check if the symbol really requires
+ * then check if the symbol really requires
* allocation only for local variables */
if (arFlag && !IS_AGGREGATE (sym->type) &&
!(sym->_isparm && !IS_REGPARM (sym->etype)) &&
checkAddSym(&publics, sym);
} else
+#if 1
+ /* new version */
if(IS_STATIC(sym->etype)
- && !(sym->ival && !sym->level)
- ) {
+ && !sym->ival) /* && !sym->level*/ {
+#else
+ /* old version */
+ if(IS_STATIC(sym->etype)
+ && !(sym->ival && !sym->level)) {
+#endif
regs *reg;
- /* add it to udata list */
+ sectSym *ssym;
+ int found=0;
-// fprintf(stderr, "%s:%d adding %s (%s) remat=%d\n", __FILE__, __LINE__,
-// sym->name, sym->rname, sym->remat);
-
- //, OP_SYMBOL(operandFromSymbol(sym))->name);
+// debugf("adding symbol %s\n", sym->name);
#define SET_IMPLICIT 1
#if SET_IMPLICIT
reg = pic16_allocDirReg( operandFromSymbol( sym ));
- {
- sectSym *ssym;
- int found=0;
-
-#if 1
- for(ssym=setFirstItem(sectSyms); ssym; ssym=setNextItem(sectSyms)) {
- if(!strcmp(ssym->name, reg->name))found=1;
- }
-#endif
-
- if(!found)checkAddReg(&pic16_rel_udata, reg);
- }
+ if(reg) {
+ for(ssym=setFirstItem(sectSyms); ssym; ssym=setNextItem(sectSyms)) {
+ if(!strcmp(ssym->name, reg->name))found=1;
+ }
+
+ if(!found)
+ checkAddReg(&pic16_rel_udata, reg);
+ else
+ debugf("Coudld not find %s in pic16_rel_udata. Check!\n", reg->name);
+// checkAddSym(&publics, sym);
+
+ }
}
/* if extern then do nothing or is a function
continue;
}
-#if 0
- /* print extra debug info if required */
- if (options.debug || sym->level == 0) {
- cdbWriteSymbol (sym); //, cdbFile, FALSE, FALSE);
-
- 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);
- }
-#endif
-
-
/* 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 (stderr,"; %s == 0x%04x\t\treqv= %p nRegs= %d\n",
// sym->name, SPEC_ADDR (sym->etype), sym->reqv, sym->regType);
sectSym *ssym;
int found=0;
-#if 1
- for(ssym=setFirstItem(sectSyms); ssym; ssym=setNextItem(sectSyms)) {
- if(!strcmp(ssym->name, reg->name))found=1;
- }
+#if 0
+ fprintf(stderr, "%s:%d sym->rname: %s reg: %p reg->name: %s\n", __FILE__, __LINE__,
+ sym->rname, reg, (reg?reg->name:"<<NULL>>"));
#endif
- if(!found)
- if(checkAddReg(&pic16_rel_udata, reg)) {
- addSetHead(&publics, sym);
- }
+ if(reg) {
+ for(ssym=setFirstItem(sectSyms); ssym; ssym=setNextItem(sectSyms)) {
+ if(!strcmp(ssym->name, reg->name))found=1;
+ }
+ if(!found)
+ if(checkAddReg(&pic16_rel_udata, reg)) {
+ addSetHead(&publics, sym);
+ }
+ }
}
/* if it has an initial value then do it only if
it is a global variable */
- if (sym->ival && sym->level == 0) {
+ if (sym->ival
+ && ((sym->level == 0)
+ || IS_STATIC(sym->etype)) ) {
ast *ival = NULL;
#if 0
addSet(&rel_idataSymSet, copySymbol(sym));
// ival = newNode ('=', newAst_VALUE(symbolVal (sym)),
-// decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_CHECK));
+// decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_TYPE_NONE));
}
if(ival) {
/*-----------------------------------------------------------------*/
/* printGPointerType - generates ival for generic pointer type */
/*-----------------------------------------------------------------*/
-void pic16_printGPointerType (const char *iname, const char *oname, const unsigned int itype,
- const unsigned int type, char ptype, void *p)
+void pic16_printGPointerType (const char *iname, const unsigned int itype,
+ char ptype, void *p)
{
- _pic16_printPointerType (iname, ptype, p);
-
- if(itype == FPOINTER || itype == CPOINTER) { // || itype == GPOINTER) {
- char buf[256];
+ char buf[256];
+
+ _pic16_printPointerType (iname, ptype, p);
- sprintf(buf, "UPPER(%s)", iname);
- pic16_emitDS(buf, ptype, p);
- }
+ switch( itype ) {
+ case FPOINTER:
+ case CPOINTER:
+ case FUNCTION:
+ {
+ sprintf(buf, "UPPER(%s)", iname);
+ pic16_emitDS(buf, ptype, p);
+ }; break;
+ case POINTER:
+ case IPOINTER:
+ sprintf(buf, "0x80");
+ pic16_emitDS(buf, ptype, p);
+ break;
+ default:
+ debugf("itype = %d\n", itype );
+ assert( 0 );
+ }
- pic16_flushDB(ptype, p);
+ pic16_flushDB(ptype, p);
}
+/* set to 0 to disable debug messages */
+#define DEBUG_PRINTIVAL 0
/*-----------------------------------------------------------------*/
/* pic16_printIvalType - generates ival for int/char */
pic16_printIvalType (symbol *sym, sym_link * type, initList * ilist, char ptype, void *p)
{
value *val;
- unsigned long ulval;
// fprintf(stderr, "%s for symbol %s\n",__FUNCTION__, sym->rname);
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
+
+
/* if initList is deep */
if (ilist && ilist->type == INIT_DEEP)
ilist = ilist->init.deep;
val = valCastLiteral(type, floatFromVal(val));
}
- if(val)
- ulval = (unsigned long) floatFromVal (val);
- else
- ulval =0;
-
switch (getSize (type)) {
case 1:
- pic16_emitDB(BYTE_IN_LONG(ulval,0), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 0), ptype, p);
break;
case 2:
- pic16_emitDB(BYTE_IN_LONG(ulval,0), ptype, p);
- pic16_emitDB(BYTE_IN_LONG(ulval,1), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 0), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 1), ptype, p);
break;
-
+ case 3:
+ pic16_emitDB(pic16aopLiteral(val, 0), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 1), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 2), ptype, p);
case 4:
- pic16_emitDB(BYTE_IN_LONG(ulval,0), ptype, p);
- pic16_emitDB(BYTE_IN_LONG(ulval,1), ptype, p);
- pic16_emitDB(BYTE_IN_LONG(ulval,2), ptype, p);
- pic16_emitDB(BYTE_IN_LONG(ulval,3), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 0), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 1), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 2), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 3), ptype, p);
break;
}
}
pic16_printIvalChar (sym_link * type, initList * ilist, char *s, char ptype, void *p)
{
value *val;
- int remain;
+ unsigned int remain;
if(!p)
return 0;
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
- // 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))
- {
- if (!DCL_ELEM (type))
- DCL_ELEM (type) = strlen (SPEC_CVAL (val->etype).v_char) + 1;
-
- for(remain=0; remain<DCL_ELEM(type); remain++)
- pic16_emitDB(SPEC_CVAL(val->etype).v_char[ remain ], ptype, p);
-
- if ((remain = (DCL_ELEM (type) - strlen (SPEC_CVAL (val->etype).v_char) - 1)) > 0) {
- while (remain--) {
- pic16_emitDB(0x00, ptype, p);
- }
- }
- return 1;
- }
- else
- return 0;
- }
- else {
+ if(!s) {
+ val = list2val (ilist);
+ /* if the value is a character string */
+ if(IS_ARRAY (val->type) && IS_CHAR (val->etype)) {
+ if(!DCL_ELEM (type))
+ DCL_ELEM (type) = strlen (SPEC_CVAL (val->etype).v_char) + 1;
+
+ for(remain=0; remain<strlen(SPEC_CVAL(val->etype).v_char)+1; remain++)
+ pic16_emitDB(SPEC_CVAL(val->etype).v_char[ remain ], ptype, p);
+
+ if((remain = (DCL_ELEM (type) - strlen (SPEC_CVAL (val->etype).v_char) - 1)) > 0) {
+ while(remain--) {
+ pic16_emitDB(0x00, ptype, p);
+ }
+ }
+ return 1;
+ } else return 0;
+ } else {
for(remain=0; remain<strlen(s); remain++) {
pic16_emitDB(s[remain], ptype, p);
}
return;
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
/* take care of the special case */
/* array of characters can be init */
/* by a string */
int size =0;
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
+
+
do {
unsigned long i;
val = list2val(lilist);
symbol *sflds;
initList *iloop = NULL;
+
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
+
sflds = SPEC_STRUCT (type)->fields;
if (ilist) {
VR - Attempting to port this function to pic16 port - 8-Jun-2004
*/
-// fprintf(stderr, "%s\n",__FUNCTION__);
+
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
size = getSize (type);
// this is a literal string
type=CPOINTER;
}
- pic16_printGPointerType(val->name, sym->name, type, type, ptype, p);
+ pic16_printGPointerType(val->name, type, ptype, p);
}
else
{
value *val;
int dLvl = 0;
+
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
+
if (ilist)
val = list2val (ilist);
else
/* now generate the name */
if (!val->sym) {
- pic16_printPointerType (val->name, ptype, p);
+ pic16_printGPointerType (val->name, DCL_TYPE(val->type), ptype, p);
} else {
- pic16_printPointerType (val->sym->rname, ptype, p);
+ pic16_printGPointerType (val->sym->rname, DCL_TYPE(val->type), ptype, p);
+
+ if(IS_FUNC(val->sym->type) && !val->sym->used && !IS_STATIC(val->sym->etype)) {
+
+ if(!checkSym(publics, val->sym))
+ if(checkAddSym(&externs, val->sym) && (ptype == 'f')) {
+ /* this has not been declared as extern
+ * so declare it as a 'late extern' just after the symbol */
+ fprintf((FILE *)p, ";\tdeclare symbol as extern\n");
+ fprintf((FILE *)p, "\textern\t%s\n", val->sym->rname);
+ fprintf((FILE *)p, ";\tcontinue variable declaration\n");
+ }
+ }
}
return;
pic16_emitDB(pic16aopLiteral(val, 0), ptype, p);
pic16_emitDB(pic16aopLiteral(val, 1), ptype, p);
pic16_emitDB(pic16aopLiteral(val, 2), ptype, p);
+ break;
default:
+ fprintf(stderr, "%s:%d size = %d\n", __FILE__, __LINE__, getSize(type));
assert(0);
}
return;
}
else if (size == 3)
{
- pic16_printGPointerType (val->name, sym->name, (IS_PTR(type)?DCL_TYPE(type):PTR_TYPE(SPEC_OCLS(sym->etype))),
- (IS_PTR (val->type) ? DCL_TYPE (val->type) :
- PTR_TYPE (SPEC_OCLS (val->etype))), ptype, p);
+ pic16_printGPointerType (val->name, (IS_PTR(type)?DCL_TYPE(type):PTR_TYPE(SPEC_OCLS(sym->etype))),
+ ptype, p);
} else
assert(0);
return;
pic16emitStaticSeg (memmap * map)
{
symbol *sym;
+ static int didcode=0;
//fprintf(stderr, "%s\n",__FUNCTION__);
resolveIvalSym (sym->ival, sym->type);
asym = newSymbol(sym->rname, 0);
abSym = Safe_calloc(1, sizeof(absSym));
- abSym->name = Safe_strdup( sym->rname );
+ strcpy(abSym->name, sym->rname);
abSym->address = SPEC_ADDR( sym->etype );
addSet(&absSymSet, abSym);
- pb = pic16_newpCodeChain(NULL, 'A',pic16_newpCodeCharP("; Starting pCode block for absolute Ival"));
+ pb = pic16_newpCodeChain(NULL, 'A', pic16_newpCodeCharP("; Starting pCode block for absolute Ival"));
pic16_addpBlock(pb);
pcf = pic16_newpCodeFunction(moduleName, asym->name);
// fprintf(stderr, "%s:%d spec_absa is false for symbol: %s\n",
// __FILE__, __LINE__, sym->name);
+
/* if it has an initial value */
if (sym->ival) {
pBlock *pb;
pb = pic16_newpCodeChain(NULL, 'P',pic16_newpCodeCharP("; Starting pCode block for Ival"));
pic16_addpBlock(pb);
+ if(!didcode) {
+ /* make sure that 'code' directive is emitted before, once */
+ pic16_addpCode2pBlock(pb, pic16_newpCodeAsmDir("code", NULL));
+
+ didcode++;
+ }
+
// fprintf(stderr, "%s:%d [2] generating init for label: %s\n", __FILE__, __LINE__, sym->rname);
pic16_addpCode2pBlock(pb,pic16_newpCodeLabel(sym->rname,-1));
if (IS_ARRAY (sym->type) && IS_CHAR (sym->type->next) &&
SPEC_CVAL (sym->etype).v_char) {
-// fprintf(stderr, "%s:%d printing code string from %s\n", __FILE__, __LINE__, sym->rname);
+// fprintf(stderr, "%s:%d printing code string for %s\n", __FILE__, __LINE__, sym->rname);
pic16_pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char);
} else {
static void
pic16initialComments (FILE * afile)
{
- initialComments (afile);
- fprintf (afile, "; PIC16 port for the Microchip 16-bit core micros\n");
- fprintf (afile, iComments2);
-
+ initialComments (afile);
+ fprintf (afile, "; PIC16 port for the Microchip 16-bit core micros\n");
+ if(pic16_mplab_comp)
+ fprintf(afile, "; MPLAB/MPASM/MPASMWIN/MPLINK compatibility mode enabled\n");
+ fprintf (afile, iComments2);
+
+ if(options.debug) {
+ fprintf (afile, "\n\t.ident \"SDCC version %s #%s [pic16 port]\"\n",
+ SDCC_VERSION_STR, getBuildNumber() );
+ }
}
/*-----------------------------------------------------------------*/
{
symbol *sym;
- fprintf (afile, "%s", iComments2);
+ fprintf (afile, "\n%s", iComments2);
fprintf (afile, "; public variables in this module\n");
fprintf (afile, "%s", iComments2);
for(sym = setFirstItem (publics); sym; sym = setNextItem (publics))
+ /* sanity check */
+ if(!IS_STATIC(sym->etype))
fprintf(afile, "\tglobal %s\n", sym->rname);
}
{
symbol *sym;
- fprintf(afile, "%s", iComments2);
+ /* print nothing if no externs to declare */
+ if(!elementsInSet(externs) && !elementsInSet(pic16_builtin_functions))
+ return;
+
+ fprintf(afile, "\n%s", iComments2);
fprintf(afile, "; extern variables in this module\n");
fprintf(afile, "%s", iComments2);
if (IS_FUNC (sym->type))
continue;
-#if 0
- /* print extra debug info if required */
- if (options.debug || sym->level == 0)
- {
-
- cdbSymbol (sym, cdbFile, FALSE, FALSE);
-
- if (!sym->level)
- { /* global */
- if (IS_STATIC (sym->etype))
- fprintf (afile, "F%s_", moduleName); /* scope is file */
- else
- fprintf (afile, "G_"); /* scope is global */
- }
- 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);
- }
-#endif
/* if is has an absolute address then generate
an equate for this no need to allocate space */
}
}
+void emitStatistics(FILE *asmFile)
+{
+ statistics.isize = pic16_countInstructions();
+
+ fprintf (asmFile, "\n\n; Statistics:\n");
+ fprintf (asmFile, "; code size:\t%ld (0x%lx) bytes\n;\t\t%ld (0x%lx) words\n",
+ statistics.isize, statistics.isize,
+ statistics.isize>>1, statistics.isize>>1);
+ fprintf (asmFile, "; udata size:\t%ld (0x%lx) bytes\n",
+ statistics.udsize, statistics.udsize);
+ fprintf (asmFile, "; access size:\t%ld (0x%lx) bytes\n",
+ statistics.intsize, statistics.intsize);
+
+ fprintf (asmFile, "\n\n");
+}
+
+
/*-----------------------------------------------------------------*/
/* glue - the final glue that hold the whole thing together */
void
pic16glue ()
{
-
FILE *vFile;
FILE *asmFile;
FILE *ovrFile = tempfile();
+ mainf = newSymbol ("main", 0);
+ mainf->block = 0;
- mainf = newSymbol ("main", 0);
- mainf->block = 0;
-
- mainf = findSymWithLevel(SymbolTab, mainf);
-#if 0
- /* only if the main function exists */
- if (!(mainf = findSymWithLevel (SymbolTab, mainf))) {
- if (!options.cc_only)
- werror (E_NO_MAIN);
- return;
- }
-#endif
-
-// fprintf(stderr, "main function= %p (%s)\thas body= %d\n", mainf, (mainf?mainf->name:NULL), mainf?IFFUNC_HASBODY(mainf->type):-1);
+ mainf = findSymWithLevel(SymbolTab, mainf);
- addSetHead(&tmpfileSet,ovrFile);
- pic16_pCodeInitRegisters();
+ addSetHead(&tmpfileSet,ovrFile);
+ pic16_pCodeInitRegisters();
- if (mainf && IFFUNC_HASBODY(mainf->type)) {
- pBlock *pb = pic16_newpCodeChain(NULL,'X',pic16_newpCodeCharP("; Starting pCode block"));
+ if(pic16_options.no_crt && mainf && IFFUNC_HASBODY(mainf->type)) {
+ pBlock *pb = pic16_newpCodeChain(NULL,'X',pic16_newpCodeCharP("; Starting pCode block"));
- pic16_addpBlock(pb);
+ pic16_addpBlock(pb);
- /* entry point @ start of CSEG */
- pic16_addpCode2pBlock(pb,pic16_newpCodeLabel("__sdcc_program_startup",-1));
+ /* entry point @ start of CSEG */
+ pic16_addpCode2pBlock(pb,pic16_newpCodeLabel("__sdcc_program_startup",-1));
- if(initsfpnt) {
- pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
- pic16_popGetLit2(1, pic16_newpCodeOpRegFromStr("_stack"))));
- pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
- pic16_popGetLit2(2, pic16_newpCodeOpRegFromStr("_stack"))));
- }
+ if(initsfpnt) {
+ pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
+ pic16_popGetLit2(1, pic16_newpCodeOpRegFromStr("_stack_end"))));
+ pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
+ pic16_popGetLit2(2, pic16_newpCodeOpRegFromStr("_stack_end"))));
+ }
- /* put in the call to main */
- pic16_addpCode2pBlock(pb,pic16_newpCode(POC_CALL,pic16_newpCodeOp("_main",PO_STR)));
+ /* put in the call to main */
+ pic16_addpCode2pBlock(pb,pic16_newpCode(POC_CALL,pic16_newpCodeOp("_main",PO_STR)));
- if (options.mainreturn) {
- pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will return to caller\n"));
- pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETURN,NULL));
- } else {
- pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will lock up\n"));
- pic16_addpCode2pBlock(pb,pic16_newpCode(POC_GOTO,pic16_newpCodeOp("$",PO_STR)));
- }
- }
+ if (options.mainreturn) {
+ pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will return to caller\n"));
+ pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETURN,NULL));
+ } else {
+ pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will lock up\n"));
+ pic16_addpCode2pBlock(pb,pic16_newpCode(POC_GOTO,pic16_newpCodeOp("$",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 */
+ /* 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 */
- pic16_movepBlock2Head('P'); // Last
- pic16_movepBlock2Head(code->dbName);
- pic16_movepBlock2Head('X');
- pic16_movepBlock2Head(statsg->dbName); // First
+ pic16_movepBlock2Head('P'); // Last
+ pic16_movepBlock2Head(code->dbName);
+ pic16_movepBlock2Head('X');
+ pic16_movepBlock2Head(statsg->dbName); // First
- /* print the global struct definitions */
-// if (options.debug)
-// cdbStructBlock (0); //,cdbFile);
+ /* print the global struct definitions */
- vFile = tempfile();
- /* PENDING: this isnt the best place but it will do */
- if (port->general.glue_up_main) {
- /* create the interrupt vector table */
- pic16createInterruptVect (vFile);
- }
+ vFile = tempfile();
+ /* PENDING: this isnt the best place but it will do */
+ if (port->general.glue_up_main) {
+ /* create the interrupt vector table */
+ pic16createInterruptVect (vFile);
+ }
- addSetHead(&tmpfileSet,vFile);
+ addSetHead(&tmpfileSet,vFile);
- /* emit code for the all the variables declared */
- pic16emitMaps ();
- /* do the overlay segments */
- pic16emitOverlay(ovrFile);
- pic16_AnalyzepCode('*');
+ /* emit code for the all the variables declared */
+ pic16emitMaps ();
+
+ /* do the overlay segments */
+ pic16emitOverlay(ovrFile);
+ pic16_AnalyzepCode('*');
#if 1
- if(pic16_options.dumpcalltree) {
- FILE *cFile;
- sprintf(buffer, dstFileName);
- strcat(buffer, ".calltree");
- cFile = fopen(buffer, "w");
- pic16_printCallTree( cFile );
- fclose(cFile);
- }
+ if(pic16_options.dumpcalltree) {
+ FILE *cFile;
+
+ sprintf(buffer, dstFileName);
+ strcat(buffer, ".calltree");
+ cFile = fopen(buffer, "w");
+ pic16_printCallTree( cFile );
+ fclose(cFile);
+ }
#endif
- pic16_InlinepCode();
- pic16_AnalyzepCode('*');
+ pic16_InlinepCode();
+ pic16_AnalyzepCode('*');
- if(pic16_debug_verbose)
- pic16_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(pic16_debug_verbose)
+ pic16_pcode_test();
- if (!(asmFile = fopen (buffer, "w"))) {
- werror (E_FILE_OPEN_ERR, buffer);
- exit (1);
- }
+ /* 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 */
- pic16initialComments (asmFile);
+ /* initial comments */
+ pic16initialComments (asmFile);
- /* print module name */
- fprintf(asmFile, "#FILE\t\"%s\"\n", fullSrcFileName);
+ /* print module name */
+ if(options.debug)
+ fprintf(asmFile, "\t.file\t\"%s\"\n", fullSrcFileName);
- /* Let the port generate any global directives, etc. */
- if (port->genAssemblerPreamble) {
- port->genAssemblerPreamble(asmFile);
- }
-
- /* print the extern variables to this module */
- pic16_printExterns(asmFile);
+ /* Let the port generate any global directives, etc. */
+ if(port->genAssemblerPreamble) {
+ port->genAssemblerPreamble(asmFile);
+ }
- /* print the global variables in this module */
- pic16printPublics (asmFile);
+ /* Put all variables into a cblock */
+ pic16_AnalyzeBanking();
-#if 0
- /* copy the sfr segment */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; special function registers\n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, sfr->oFile);
-#endif
+ if(pic16_options.opt_flags & OF_LR_SUPPORT) {
+ pic16_OptimizeLocalRegs();
+ }
- /* Put all variables into a cblock */
- pic16_AnalyzeBanking();
- pic16_writeUsedRegs(asmFile);
+ /* turn GOTOs into BRAs -- added by RN 2004-11-16 */
+ if(pic16_options.opt_flags & OF_OPTIMIZE_GOTO) {
+ pic16_OptimizeJumps();
+ }
+
+ /* print the extern variables to this module */
+ pic16_printExterns(asmFile);
+
+ /* print the global variables in this module */
+ pic16printPublics (asmFile);
+
+ pic16_writeUsedRegs(asmFile);
#if 0
- /* no xdata in pic */
- /* 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");
- }
+ /* no xdata in pic */
+ /* 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");
+ }
#endif
#if 0
- /* no xdata in pic */
- /* copy xtern ram data */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; external ram data\n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, xdata->oFile);
+ /* no xdata in pic */
+ /* copy xtern ram data */
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "; external ram data\n");
+ fprintf (asmFile, "%s", iComments2);
+ copyFile (asmFile, xdata->oFile);
#endif
#if 0
- /* copy the bit segment */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; bit data\n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, bit->oFile);
+ /* copy the bit segment */
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "; bit data\n");
+ fprintf (asmFile, "%s", iComments2);
+ copyFile (asmFile, bit->oFile);
#endif
- /* copy the interrupt vector table */
- if(mainf && IFFUNC_HASBODY(mainf->type)) {
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; interrupt vector \n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, vFile);
- }
+ /* copy the interrupt vector table */
+ if(mainf && IFFUNC_HASBODY(mainf->type)) {
+ fprintf (asmFile, "\n%s", iComments2);
+ fprintf (asmFile, "; interrupt vector \n");
+ fprintf (asmFile, "%s", iComments2);
+ copyFile (asmFile, vFile);
+ }
- /* copy global & static initialisations */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; global & static initialisations\n");
- fprintf (asmFile, "%s", iComments2);
+ /* copy global & static initialisations */
+ fprintf (asmFile, "\n%s", iComments2);
+ fprintf (asmFile, "; global & static initialisations\n");
+ fprintf (asmFile, "%s", iComments2);
-#if 0
- /* copy over code */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "\tcode\n");
- fprintf (asmFile, "%s", iComments2);
-#endif
-
- if(pic16_debug_verbose)
- fprintf(asmFile, "; A code from now on!\n");
- pic16_copypCode(asmFile, 'A');
-
-
- if(mainf && IFFUNC_HASBODY(mainf->type)) {
- fprintf(asmFile, "\tcode\n");
- fprintf(asmFile,"__sdcc_gsinit_startup:\n");
-
-#if 0
- /* FIXME 8051 legacy (?!) - VR 20-Jun-2003 */
- /* if external stack is specified then the
- * higher order byte of the xdatalocation is
- * going into P2 and the lower order going into */
-
- if (options.useXstack) {
- fprintf(asmFile,";\tmov\tP2,#0x%02x\n",
- (((unsigned int)options.xdata_loc) >> 8) & 0xff);
- fprintf(asmFile,";\tmov\t_spx,#0x%02x\n",
- (unsigned int)options.xdata_loc & 0xff);
- }
-#endif
- }
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; A code from now on!\n");
+
+ pic16_copypCode(asmFile, 'A');
-// copyFile (stderr, code->oFile);
+ if(pic16_options.no_crt) {
+ if(mainf && IFFUNC_HASBODY(mainf->type)) {
+ fprintf(asmFile, "\tcode\n");
+ fprintf(asmFile,"__sdcc_gsinit_startup:\n");
+ }
+ }
- fprintf(asmFile, "; I code from now on!\n");
- pic16_copypCode(asmFile, 'I');
+// copyFile (stderr, code->oFile);
- if(pic16_debug_verbose)
- fprintf(asmFile, "; dbName from now on!\n");
- pic16_copypCode(asmFile, statsg->dbName);
+ fprintf(asmFile, "; I code from now on!\n");
+ pic16_copypCode(asmFile, 'I');
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; dbName from now on!\n");
+
+ pic16_copypCode(asmFile, statsg->dbName);
- if (port->general.glue_up_main && mainf && IFFUNC_HASBODY(mainf->type)) {
- fprintf (asmFile,"\tgoto\t__sdcc_program_startup\n");
- }
+ if(pic16_options.no_crt) {
+ if (port->general.glue_up_main && mainf && IFFUNC_HASBODY(mainf->type)) {
+ fprintf (asmFile,"\tgoto\t__sdcc_program_startup\n");
+ }
+ }
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; X code from now on!\n");
- if(pic16_debug_verbose)
- fprintf(asmFile, "; X code from now on!\n");
- pic16_copypCode(asmFile, 'X');
-
- if(pic16_debug_verbose)
- fprintf(asmFile, "; M code from now on!\n");
- pic16_copypCode(asmFile, 'M');
+ pic16_copypCode(asmFile, 'X');
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; M code from now on!\n");
- pic16_copypCode(asmFile, code->dbName);
+ pic16_copypCode(asmFile, 'M');
- pic16_copypCode(asmFile, 'P');
+ pic16_copypCode(asmFile, code->dbName);
+
+ pic16_copypCode(asmFile, 'P');
- fprintf (asmFile,"\tend\n");
- fclose (asmFile);
+ emitStatistics(asmFile);
- rm_tmpfiles();
+ fprintf (asmFile,"\tend\n");
+ fclose (asmFile);
+
+ rm_tmpfiles();
}