#include "newalloc.h"
+#ifdef WORDS_BIGENDIAN
+ #define _ENDIAN(x) (3-x)
+#else
+ #define _ENDIAN(x) (x)
+#endif
+
+#define BYTE_IN_LONG(x,b) ((x>>(8*_ENDIAN(b)))&0xff)
+
extern symbol *interrupts[256];
-void printIval (symbol *, sym_link *, initList *, FILE *);
+static void printIval (symbol * sym, sym_link * type, initList * ilist, pBlock *pb);
extern int noAlloc;
extern set *publics;
-extern int maxInterrupts;
+extern set *externs;
+extern unsigned maxInterrupts;
extern int maxRegBank;
extern symbol *mainf;
extern char *VersionString;
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 *);
-
-//extern void emitMaps ();
-//extern void createInterruptVect (FILE * vFile);
extern void initialComments (FILE * afile);
extern void printPublics (FILE * afile);
extern void printChar (FILE * ofile, char *s, int plen);
+void pCodeInitRegisters(void);
+int getConfigWord(int address);
-#if 0
-char *
-aopLiteral (value * val, int offset)
- static void emitRegularMap (memmap * map, bool addPublics, bool arFlag)
- value *initPointer (initList * ilist)
- void printIvalType (sym_link * type, initList * ilist, FILE * oFile)
- void printIvalStruct (symbol * sym, sym_link * type,
- initList * ilist, FILE * oFile)
- int printIvalChar (sym_link * type, initList * ilist, FILE * oFile, char *s)
- void printIvalArray (symbol * sym, sym_link * type, initList * ilist,
- FILE * oFile)
- void printIvalFuncPtr (sym_link * type, initList * ilist, FILE * oFile)
- int printIvalCharPtr (symbol * sym, sym_link * type, value * val, FILE * oFile)
- void printIvalPtr (symbol * sym, sym_link * type, initList * ilist, FILE * oFile)
-#endif
-
-/*-----------------------------------------------------------------*/
-/* Allocation macros that replace those in SDCCalloc.h */
-/* Why? I dunno. I ran across a bug with those macros that */
-/* I couldn't fix, but I could work around... */
-/*-----------------------------------------------------------------*/
-
-#define _ALLOC(x,sz) if (!(x = calloc((sz),1) )) \
- { \
- werror(E_OUT_OF_MEM,__FILE__,(long) sz);\
- exit (1); \
- }
-
-#define _ALLOC_ATOMIC(x,y) if (!((x) = malloc(y))) \
- { \
- werror(E_OUT_OF_MEM,__FILE__,(long) y); \
- exit (1); \
- }
-
+char *udata_section_name=0; // FIXME Temporary fix to change udata section name -- VR
/*-----------------------------------------------------------------*/
/* aopLiteral - string from a literal value */
/* if it is a float then it gets tricky */
/* otherwise it is fairly simple */
if (!IS_FLOAT(val->type)) {
- unsigned long v = floatFromVal(val);
+ unsigned long v = (unsigned long) floatFromVal(val);
- //v >>= (offset * 8);
return ( (v >> (offset * 8)) & 0xff);
- //sprintf(buffer,"0x%02x",((char) v) & 0xff);
- //_ALLOC_ATOMIC(rs,strlen(buffer)+1);
- //return strcpy (rs,buffer);
}
/* it is type float */
fl.f = (float) floatFromVal(val);
-#ifdef _BIG_ENDIAN
+#ifdef WORDS_BIGENDIAN
return fl.c[3-offset];
#else
return fl.c[offset];
pic14emitRegularMap (memmap * map, bool addPublics, bool arFlag)
{
symbol *sym;
- int i, size, bitvars = 0;;
+ int bitvars = 0;;
+ /* print the area name */
if (addPublics)
fprintf (map->oFile, ";\t.area\t%s\n", map->sname);
- /* print the area name */
for (sym = setFirstItem (map->syms); sym;
- sym = setNextItem (map->syms))
- {
+ sym = setNextItem (map->syms)) {
- /* 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 (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);
-
- /* 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)
- {
-
- cdbSymbol (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 (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))
- {
- if ((bitvars % 8) == 0)
- {
- fprintf (map->oFile, " cblock\n");
- fprintf (map->oFile, "\tbitfield%d\n", bitvars);
- fprintf (map->oFile, " endc\n");
- }
-
- fprintf (map->oFile, "%s\tEQU\t( (bitfield%d<<3)+%d)\n",
- sym->rname,
- bitvars & 0xfff8,
- bitvars & 0x0007);
+ //printf("%s\n",sym->name);
- bitvars++;
- }
- else
- {
- fprintf (map->oFile, "\t%s\n", sym->rname);
- 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))));
- codeOutFile = statsg->oFile;
- GcurMemmap = statsg;
- eBBlockFromiCode (iCodeFromAst (ival));
- sym->ival = NULL;
- }
+ /* 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))
+ 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
-/*-----------------------------------------------------------------*/
-/* initPointer - pointer initialization code massaging */
-/*-----------------------------------------------------------------*/
-value *
-initPointer (initList * ilist)
-{
- value *val;
- ast *expr = list2expr (ilist);
-
- if (!expr)
- goto wrong;
-
- /* try it the oldway first */
- if ((val = constExprValue (expr, FALSE)))
- return val;
-
- /* no then we have to do these cludgy checks */
- /* pointers can be initialized with address of
- a variable or address of an array element */
- if (IS_AST_OP (expr) && expr->opval.op == '&')
- {
- /* address of symbol */
- if (IS_AST_SYM_VALUE (expr->left))
- {
- val = copyValue (AST_VALUE (expr->left));
- val->type = newLink ();
- if (SPEC_SCLS (expr->left->etype) == S_CODE)
- {
- DCL_TYPE (val->type) = CPOINTER;
- DCL_PTR_CONST (val->type) = port->mem.code_ro;
- }
- else if (SPEC_SCLS (expr->left->etype) == S_XDATA)
- DCL_TYPE (val->type) = FPOINTER;
- else if (SPEC_SCLS (expr->left->etype) == S_XSTACK)
- DCL_TYPE (val->type) = PPOINTER;
- else if (SPEC_SCLS (expr->left->etype) == S_IDATA)
- DCL_TYPE (val->type) = IPOINTER;
- else if (SPEC_SCLS (expr->left->etype) == S_EEPROM)
- DCL_TYPE (val->type) = EEPPOINTER;
+ /* 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
- DCL_TYPE (val->type) = POINTER;
- val->type->next = expr->left->ftype;
- val->etype = getSpec (val->type);
- return val;
- }
-
- /* if address of indexed array */
- if (IS_AST_OP (expr->left) && expr->left->opval.op == '[')
- return valForArray (expr->left);
-
- /* if address of structure element then
- case 1. a.b ; */
- if (IS_AST_OP (expr->left) &&
- expr->left->opval.op == '.')
- {
- return valForStructElem (expr->left->left,
- expr->left->right);
- }
-
- /* case 2. (&a)->b ;
- (&some_struct)->element */
- if (IS_AST_OP (expr->left) &&
- expr->left->opval.op == PTR_OP &&
- IS_ADDRESS_OF_OP (expr->left->left))
- return valForStructElem (expr->left->left->left,
- expr->left->right);
- }
-
-wrong:
- werror (E_INIT_WRONG);
- return NULL;
-
-}
-
-/*-----------------------------------------------------------------*/
-/* printChar - formats and prints a characater string with DB */
-/*-----------------------------------------------------------------*/
-void
-printChar (FILE * ofile, char *s, int plen)
-{
- int i;
- int len = strlen (s);
- int pplen = 0;
-
- while (len && pplen < plen)
- {
-
- fprintf (ofile, "\t.ascii /");
- i = 60;
- while (i && *s && pplen < plen)
- {
- if (*s < ' ' || *s == '/')
- {
- fprintf (ofile, "/\n\t.byte 0x%02x\n\t.ascii /", *s++);
- }
- else
- fprintf (ofile, "%c", *s++);
- pplen++;
- i--;
- }
- fprintf (ofile, "/\n");
+ 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 (len > 60)
- len -= 60;
+ /* if it 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 (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
- len = 0;
+ ival = newNode ('=', newAst_VALUE(symbolVal (sym)),
+ decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_CHECK));
+ codeOutFile = statsg->oFile;
+ GcurMemmap = statsg;
+ eBBlockFromiCode (iCodeFromAst (ival));
+ sym->ival = NULL;
}
- if (pplen < plen)
- fprintf (ofile, "\t.byte\t0\n");
+ }
}
+
/*-----------------------------------------------------------------*/
/* printIvalType - generates ival for int/char */
/*-----------------------------------------------------------------*/
-void
-printIvalType (sym_link * type, initList * ilist, FILE * oFile)
+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;
- val = list2val (ilist);
- switch (getSize (type))
- {
- case 1:
- if (!val)
- fprintf (oFile, "\t.byte 0\n");
- else
- fprintf (oFile, "\t.byte %s\n",
- aopLiteral (val, 0));
- break;
-
- case 2:
- if (!val)
- fprintf (oFile, "\t.word 0\n");
- else
- fprintf (oFile, "\t.byte %s,%s\n",
- aopLiteral (val, 0), aopLiteral (val, 1));
- break;
-
- case 4:
- if (!val)
- fprintf (oFile, "\t.word 0,0\n");
- else
- fprintf (oFile, "\t.byte %s,%s,%s,%s\n",
- aopLiteral (val, 0), aopLiteral (val, 1),
- aopLiteral (val, 2), aopLiteral (val, 3));
- break;
- }
-
- return;
-}
-
-/*-----------------------------------------------------------------*/
-/* printIvalStruct - generates initial value for structures */
-/*-----------------------------------------------------------------*/
-void
-printIvalStruct (symbol * sym, sym_link * type,
- initList * ilist, FILE * oFile)
-{
- symbol *sflds;
- initList *iloop;
-
- sflds = SPEC_STRUCT (type)->fields;
- if (ilist->type != INIT_DEEP)
- {
- werror (E_INIT_STRUCT, sym->name);
- return;
- }
+ if (!IS_AGGREGATE(sym->type) && getNelements(type, ilist)>1) {
+ werror (W_EXCESS_INITIALIZERS, "scalar", sym->name, sym->lineDef);
+ }
- iloop = ilist->init.deep;
+ if (!(val = list2val (ilist))) {
+ // assuming a warning has been thrown
+ val=constVal("0");
+ }
- for (; sflds; sflds = sflds->next, iloop = (iloop ? iloop->next : NULL))
- printIval (sflds, sflds->type, iloop, oFile);
+ if (val->type != type) {
+ val = valCastLiteral(type, floatFromVal(val));
+ }
- return;
+ 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;
+ }
}
/*-----------------------------------------------------------------*/
/* printIvalChar - generates initital value for character array */
/*-----------------------------------------------------------------*/
-int
-printIvalChar (sym_link * type, initList * ilist, FILE * oFile, char *s)
+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)
{
if (!DCL_ELEM (type))
DCL_ELEM (type) = strlen (SPEC_CVAL (val->etype).v_char) + 1;
- /* if size mismatch */
-/* if (DCL_ELEM (type) < ((int) strlen (SPEC_CVAL (val->etype).v_char) + 1)) */
-/* werror (E_ARRAY_BOUND); */
-
- printChar (oFile, SPEC_CVAL (val->etype).v_char, DCL_ELEM (type));
+ //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--)
- fprintf (oFile, "\t.byte 0\n");
-
+ //tfprintf (oFile, "\t!db !constbyte\n", 0);
+ addpCode2pBlock(pb,newpCode(POC_RETLW,newpCodeOpLit(0)));
return 1;
}
else
return 0;
}
- else
- printChar (oFile, s, strlen (s) + 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;
}
/*-----------------------------------------------------------------*/
/* printIvalArray - generates code for array initialization */
/*-----------------------------------------------------------------*/
-void
+static void
printIvalArray (symbol * sym, sym_link * type, initList * ilist,
- FILE * oFile)
+ 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))
+ 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),
- oFile, SPEC_CVAL (sym->etype).v_char))
+ pb, SPEC_CVAL (sym->etype).v_char))
return;
-
+ }
/* not the special case */
if (ilist->type != INIT_DEEP)
{
for (;;)
{
+ //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
size++;
- printIval (sym, type->next, iloop, oFile);
+ printIval (sym, type->next, iloop, pb);
iloop = (iloop ? iloop->next : NULL);
/* no of elements given and we */
/* have generated for all of them */
- if (!--lcnt)
+ if (!--lcnt) {
+ /* if initializers left */
+ if (iloop) {
+ werror (W_EXCESS_INITIALIZERS, "array", sym->name, sym->lineDef);
+ }
break;
+ }
}
/* if we have not been given a size */
return;
}
-/*-----------------------------------------------------------------*/
-/* printIvalFuncPtr - generate initial value for function pointers */
-/*-----------------------------------------------------------------*/
-void
-printIvalFuncPtr (sym_link * type, initList * ilist, FILE * oFile)
-{
- value *val;
- int dLvl = 0;
-
- val = list2val (ilist);
- /* check the types */
- if ((dLvl = checkType (val->type, type->next)) <= 0)
- {
-
- fprintf (oFile, "\t.word 0\n");
- return;
- }
-
- /* now generate the name */
- if (!val->sym)
- {
- if (IS_LITERAL (val->etype))
- fprintf (oFile, "\t.byte %s,%s\n",
- aopLiteral (val, 0), aopLiteral (val, 1));
- else
- fprintf (oFile, "\t.byte %s,(%s >> 8)\n",
- val->name, val->name);
- }
- else
- fprintf (oFile, "\t.byte %s,(%s >> 8)\n",
- val->sym->rname, val->sym->rname);
-
- return;
-}
-
-/*-----------------------------------------------------------------*/
-/* printIvalCharPtr - generates initial values for character pointers */
-/*-----------------------------------------------------------------*/
-int
-printIvalCharPtr (symbol * sym, sym_link * type, value * val, FILE * oFile)
-{
- int size = 0;
-
- size = getSize (type);
-
- if (size == 1)
- fprintf (oFile,
- "\t.byte %s", val->name);
- else
- fprintf (oFile,
- "\t.byte %s,(%s >> 8)",
- val->name, val->name);
-
- if (size > 2)
- fprintf (oFile, ",#0x02\n");
- else
- fprintf (oFile, "\n");
-
- if (val->sym && val->sym->isstrlit)
- addSet (&statsg->syms, val->sym);
-
- return 1;
-}
-
-/*-----------------------------------------------------------------*/
-/* printIvalPtr - generates initial value for pointers */
-/*-----------------------------------------------------------------*/
-void
-printIvalPtr (symbol * sym, sym_link * type, initList * ilist, FILE * oFile)
-{
- value *val;
-
- /* if deep then */
- if (ilist->type == INIT_DEEP)
- ilist = ilist->init.deep;
-
- /* function pointer */
- if (IS_FUNC (type->next))
- {
- printIvalFuncPtr (type, ilist, oFile);
- return;
- }
-
- if (!(val = initPointer (ilist)))
- return;
-
- /* if character pointer */
- if (IS_CHAR (type->next))
- if (printIvalCharPtr (sym, type, val, oFile))
- return;
-
- /* check the type */
- if (checkType (type, val->type) != 1)
- werror (E_INIT_WRONG);
-
- /* if val is literal */
- if (IS_LITERAL (val->etype))
- {
- switch (getSize (type))
- {
- case 1:
- fprintf (oFile, "\t.byte 0x%02x\n", ((char) floatFromVal (val)) & 0xff);
- break;
- case 2:
- fprintf (oFile, "\t.byte %s,%s\n",
- aopLiteral (val, 0), aopLiteral (val, 1));
-
- break;
- case 3:
- fprintf (oFile, "\t.byte %s,%s,0x%02x\n",
- aopLiteral (val, 0), aopLiteral (val, 1), CPOINTER);
- }
- return;
- }
-
-
- switch (getSize (type))
- {
- case 1:
- fprintf (oFile, "\t.byte %s\n", val->name);
- break;
- case 2:
- fprintf (oFile, "\t.byte %s,(%s >> 8)\n", val->name, val->name);
- break;
-
- case 3:
- fprintf (oFile, "\t.byte %s,(%s >> 8),0x%02x\n",
- val->name, val->name, DCL_TYPE (val->type));
- }
- return;
-}
-
/*-----------------------------------------------------------------*/
/* printIval - generates code for initial value */
/*-----------------------------------------------------------------*/
-void
-printIval (symbol * sym, sym_link * type, initList * ilist, FILE * oFile)
+static void
+printIval (symbol * sym, sym_link * type, initList * ilist, pBlock *pb)
{
- if (!ilist)
+ if (!ilist || !pb)
return;
/* if structure then */
if (IS_STRUCT (type))
{
- printIvalStruct (sym, type, ilist, oFile);
+ //fprintf(stderr,"%s struct\n",__FUNCTION__);
+ //printIvalStruct (sym, type, ilist, oFile);
return;
}
/* if this is a pointer */
if (IS_PTR (type))
{
- printIvalPtr (sym, type, ilist, oFile);
+ //fprintf(stderr,"%s pointer\n",__FUNCTION__);
+ //printIvalPtr (sym, type, ilist, oFile);
return;
}
/* if this is an array */
if (IS_ARRAY (type))
{
- printIvalArray (sym, type, ilist, oFile);
+ //fprintf(stderr,"%s array\n",__FUNCTION__);
+ printIvalArray (sym, type, ilist, pb);
return;
}
/* if type is SPECIFIER */
if (IS_SPEC (type))
{
- printIvalType (type, ilist, oFile);
+ //fprintf(stderr,"%s spec\n",__FUNCTION__);
+ printIvalType (sym, type, ilist, pb);
return;
}
}
-#endif
+extern void pCodeConstString(char *name, char *value);
/*-----------------------------------------------------------------*/
/* emitStaticSeg - emitcode for the static segment */
/*-----------------------------------------------------------------*/
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 it is "extern" then do nothing */
- if (IS_EXTERN (sym->etype))
- continue;
+ /* 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 */
/* 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 (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 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);
+ resolveIvalSym (sym->ival, sym->type);
+ //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)
- printChar (code->oFile,
+ 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);
+ strlen (SPEC_CVAL (sym->etype).v_char) + 1);*/
else
fprintf (code->oFile, "\t.ds\t0x%04x\n", (unsigned int) getSize (sym->type) & 0xffff);
}
}
}
+
}
static void
pic14createInterruptVect (FILE * vFile)
{
- int i = 0;
mainf = newSymbol ("main", 0);
mainf->block = 0;
if (!(mainf = findSymWithLevel (SymbolTab, mainf)))
{
if (!options.cc_only)
- werror (E_NO_MAIN);
+// 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 (!mainf->fbody)
+ if (!IFFUNC_HASBODY(mainf->type))
{
/* if ! compile only then main function should be present */
if (!options.cc_only)
- werror (E_NO_MAIN);
+// werror (E_NO_MAIN);
+ fprintf(stderr,"WARNING: function 'main' undefined\n");
return;
}
- fprintf (vFile, ";\t.area\t%s\n", CODE_NAME);
- fprintf (vFile, ";__interrupt_vect:\n");
-
-
- if (!port->genIVT || !(port->genIVT (vFile, interrupts, maxInterrupts)))
- {
- /* "generic" interrupt table header (if port doesn't specify one).
-
- * Look suspiciously like 8051 code to me...
- */
-
- fprintf (vFile, ";\tljmp\t__sdcc_gsinit_startup\n");
-
-
- /* now for the other interrupts */
- for (; i < maxInterrupts; i++)
- {
- if (interrupts[i])
- fprintf (vFile, ";\tljmp\t%s\n\t.ds\t5\n", interrupts[i]->rname);
- else
- fprintf (vFile, ";\treti\n;\t.ds\t7\n");
- }
- }
+ 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");
}
}
+/*-----------------------------------------------------------------*/
+/* printExterns - generates extern for external variables */
+/*-----------------------------------------------------------------*/
+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);
+}
+
/*-----------------------------------------------------------------*/
/* printPublics - generates .global for publics */
/*-----------------------------------------------------------------*/
fprintf (afile, "%s", iComments2);
for (sym = setFirstItem (publics); sym;
- sym = setNextItem (publics))
- fprintf (afile, ";\t.globl %s\n", sym->rname);
-}
-
+ 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);
+ } 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);
+ }
+ }
+}
/*-----------------------------------------------------------------*/
/* emitOverlay - will emit code for the overlay stuff */
{
set *ovrset;
- if (!elementsInSet (ovrSetSets))
- fprintf (afile, ";\t.area\t%s\n", port->mem.overlay_name);
+/* if (!elementsInSet (ovrSetSets))*/
+
+ /* 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);
/* for each of the sets in the overlay segment do */
for (ovrset = setFirstItem (ovrSetSets); ovrset;
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 */
/* 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))
}
-
/*-----------------------------------------------------------------*/
/* glue - the final glue that hold the whole thing together */
/*-----------------------------------------------------------------*/
void
picglue ()
{
-
+ char udata_name[80];
FILE *vFile;
FILE *asmFile;
FILE *ovrFile = tempfile();
- int i;
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
+
+
/* print the global struct definitions */
if (options.debug)
- cdbStructBlock (0,cdbFile);
+ cdbStructBlock (0);
vFile = tempfile();
- /* PENDING: this isnt the best place but it will do */
- if (port->general.glue_up_main) {
- /* create the interrupt vector table */
- pic14createInterruptVect (vFile);
- }
addSetHead(&tmpfileSet,vFile);
/* 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 (!options.c1mode) {
- sprintf (buffer, srcFileName);
- strcat (buffer, ".asm");
- }
- else {
- strcpy(buffer, options.out_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);
port->genAssemblerPreamble(asmFile);
}
+ /* print the extern variables in this module */
+ pic14printExterns (asmFile);
+
/* print the global variables in this module */
pic14printPublics (asmFile);
-
/* copy the sfr segment */
fprintf (asmFile, "%s", iComments2);
fprintf (asmFile, "; special function registers\n");
fprintf (asmFile, "%s", iComments2);
copyFile (asmFile, sfr->oFile);
-
- /* Put all variables into a cblock */
- fprintf (asmFile, "\n\n\tcblock 0x13\n\n");
-
- for(i=0; i<pic14_nRegs; i++) {
- if(regspic14[i].wasUsed && (regspic14[i].offset>=0x0c) )
- fprintf (asmFile, "\t%s\n",regspic14[i].name);
+
+ if (udata_section_name) {
+ sprintf(udata_name,"%s",udata_section_name);
+ } else {
+ sprintf(udata_name,"data_%s",moduleName);
}
- //fprintf (asmFile, "\tr0x0C\n");
- //fprintf (asmFile, "\tr0x0D\n");
-
- /* For now, create a "dpl" and a "dph" in the register space */
- /* of the pic so that we can use the same calling mechanism */
- /* as the 8051 port */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; dpl and dph to emulate the 8051 calling mechanism \n");
- fprintf (asmFile, "%s", iComments2);
-
- fprintf (asmFile, "\tdph\n");
-
-
-
- /* copy the sbit segment */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; special function bits \n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, sfrbit->oFile);
-
- /* copy the data segment */
fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; internal ram data\n");
+ 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, "%s", iComments2);
copyFile (asmFile, ovrFile);
+#if 0
+
/* create the stack segment MOF */
- if (mainf && mainf->fbody) {
+ if (mainf && IFFUNC_HASBODY(mainf->type)) {
fprintf (asmFile, "%s", iComments2);
fprintf (asmFile, "; Stack segment in internal ram \n");
fprintf (asmFile, "%s", iComments2);
copyFile (asmFile, idata->oFile);
/* if external stack then reserve space of it */
- if (mainf && mainf->fbody && options.useXstack ) {
+ 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);
copyFile (asmFile, xdata->oFile);
-
-
- fprintf (asmFile, "\tendc\n");
+#endif
/* copy the bit segment */
fprintf (asmFile, "%s", iComments2);
fprintf (asmFile, "%s", iComments2);
copyFile (asmFile, bit->oFile);
-
- fprintf (asmFile, "\tORG 0\n");
-
/* copy the interrupt vector table */
- if (mainf && mainf->fbody) {
+ if (mainf && IFFUNC_HASBODY(mainf->type)) {
+ copyFile (asmFile, vFile);
+
fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; interrupt vector \n");
+ fprintf (asmFile, "; interrupt and initialization code\n");
fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, vFile);
+ 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");
}
-
+
+#if 0
+
/* copy global & static initialisations */
fprintf (asmFile, "%s", iComments2);
fprintf (asmFile, "; global & static initialisations\n");
fprintf (asmFile, "%s", iComments2);
-
- /* Everywhere we generate a reference to the static_name area,
- * (which is currently only here), we immediately follow it with a
- * definition of the post_static_name area. This guarantees that
- * the post_static_name area will immediately follow the static_name
- * area.
- */
- fprintf (asmFile, ";\t.area %s\n", port->mem.static_name); /* MOF */
- fprintf (asmFile, ";\t.area %s\n", port->mem.post_static_name);
- fprintf (asmFile, ";\t.area %s\n", port->mem.static_name);
-
- if (mainf && mainf->fbody) {
- fprintf (asmFile,"__sdcc_gsinit_startup:\n");
- /* if external stack is specified then the
- higher order byte of the xdatalocation is
- going into P2 and the lower order going into
- spx */
- 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);
- }
-
- /* initialise the stack pointer */
- /* if the user specified a value then use it */
- if (options.stack_loc)
- fprintf(asmFile,";\tmov\tsp,#%d\n",options.stack_loc);
- else
- /* no: we have to compute it */
- if (!options.stackOnData && maxRegBank <= 3)
- fprintf(asmFile,";\tmov\tsp,#%d\n",((maxRegBank + 1) * 8) -1);
- else
- fprintf(asmFile,";\tmov\tsp,#__start__stack\n"); /* MOF */
-
- fprintf (asmFile,";\tlcall\t__sdcc_external_startup\n");
- fprintf (asmFile,";\tmov\ta,dpl\n");
- fprintf (asmFile,";\tjz\t__sdcc_init_data\n");
- fprintf (asmFile,";\tljmp\t__sdcc_program_startup\n");
- fprintf (asmFile,";__sdcc_init_data:\n");
-
- }
- //copyFile (asmFile, statsg->oFile);
copypCode(asmFile, statsg->dbName);
- if (port->general.glue_up_main && mainf && mainf->fbody)
- {
- /* This code is generated in the post-static area.
- * This area is guaranteed to follow the static area
- * by the ugly shucking and jiving about 20 lines ago.
- */
- fprintf(asmFile, ";\t.area %s\n", port->mem.post_static_name);
- fprintf (asmFile,";\tljmp\t__sdcc_program_startup\n");
- }
-
+#endif
+
/* copy over code */
fprintf (asmFile, "%s", iComments2);
fprintf (asmFile, "; code\n");
fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, ";\t.area %s\n", port->mem.code_name);
- if (mainf && mainf->fbody) {
-
- /* entry point @ start of CSEG */
- fprintf (asmFile,"__sdcc_program_startup:\n");
-
- /* put in the call to main */
- fprintf(asmFile,"\tcall\t_main\n");
- if (options.mainreturn) {
-
- fprintf(asmFile,";\treturn from main ; will return to caller\n");
- fprintf(asmFile,"\treturn\n");
+ fprintf (asmFile, "code_%s\t%s\n", moduleName, port->mem.code_name);
- } else {
-
- fprintf(asmFile,";\treturn from main will lock up\n");
- fprintf(asmFile,"\tgoto\t$\n");
- }
- }
+ /* unknown */
+ copypCode(asmFile, 'X');
+
+ /* _main function */
+ copypCode(asmFile, 'M');
- AnalyzepCode(code->dbName);
- pCodePeepInit();
-
- OptimizepCode(code->dbName);
- //copyFile (asmFile, code->oFile);
+ /* other functions */
copypCode(asmFile, code->dbName);
- printCallTree(stderr);
+ /* unknown */
+ copypCode(asmFile, 'P');
fprintf (asmFile,"\tend\n");
fclose (asmFile);
- applyToSet(tmpfileSet,closeTmpFiles);
- applyToSet(tmpfileNameSet, rmTmpFiles);
+
+ rm_tmpfiles();
}
projects / fw / sdcc / blobdiff