/* forward declaration */
-void print_idata(FILE *of, symbol * sym, sym_link * type, initList * ilist);
+void pic16_printIval(symbol * sym, sym_link * type, initList * ilist, char ptype, void *p);
void pic16_dump_isection(FILE *of, set *section, int fix)
{
/* sort symbols according to their address */
qsort(slist, i, sizeof(symbol *), symCompare);
+ pic16_initDB();
+
if(!fix) {
fprintf(of, "\n\n\tidata\n");
for(s = setFirstItem(section); s; s = setNextItem(section)) {
- print_idata(of, s, s->type, s->ival);
+ fprintf(of, "%s", s->rname);
+ pic16_printIval(s, s->type, s->ival, 'f', (void *)of);
+ pic16_flushDB('f', (void *)of);
}
} else {
int j=0;
fprintf(of, "\nistat_%s_%02d\tidata\t0X%04X\n", moduleName, abs_isection_no++, init_addr);
}
- print_idata(of, s, s->type, s->ival);
-
-#if 0
- if(r1 && (init_addr == r1->address)) {
- fprintf(of, "%s\tres\t0\n\n", r->name);
- } else {
- fprintf(of, "%s\tres\t%d\n", r->name, r->size);
- }
-#endif
-
+ fprintf(of, "%s", s->rname);
+ pic16_printIval(s, s->type, s->ival, 'f', (void *)of);
+ pic16_flushDB('f', (void *)of);
+
sprev = s;
}
}
#define BYTE_IN_LONG(x,b) ((x>>(8*_ENDIAN(b)))&0xff)
-
-/*-----------------------------------------------------------------*/
-/* printIvalType - generates ival for int/char */
-/*-----------------------------------------------------------------*/
-void print_idataType (FILE *of, symbol *sym, sym_link * type, initList * ilist)
-{
- 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:
- if(isprint(BYTE_IN_LONG(ulval, 0)))
- fprintf(of, "%s\tdata\t\"%c\"\n", sym->rname, (unsigned char)BYTE_IN_LONG(ulval, 0));
- else
- fprintf(of, "%s\tdata\t0x%02x\n", sym->rname, (unsigned char)BYTE_IN_LONG(ulval, 0));
-// pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
- break;
-
- case 2:
- fprintf(of, "%s\tdw\t0x%02x, 0x%02x\n", sym->rname, (unsigned int)(BYTE_IN_LONG(ulval, 0)),
- (unsigned int)(BYTE_IN_LONG(ulval, 1)));
-// fprintf(of, "%s\tdata\t0x%04x\n", sym->rname, (unsigned int)BYTE_IN_LONG(ulval, 0) +
-// (unsigned int)(BYTE_IN_LONG(ulval, 1) << 8));
- break;
-
- case 4:
- fprintf(of, "%s\tdw\t0x%04x,0x%04x\n", sym->rname, (unsigned int)(BYTE_IN_LONG(ulval, 0)
- + (BYTE_IN_LONG(ulval, 1) << 8)),
- (unsigned)(BYTE_IN_LONG(ulval, 2)
- + (BYTE_IN_LONG(ulval, 3) << 8)));
-// pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
-// pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
-// pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,2))));
-// pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,3))));
- break;
- }
-}
-
-
-/*-----------------------------------------------------------------*/
-/* print_idataChar - generates initital value for character array */
-/*-----------------------------------------------------------------*/
-static int
-print_idataChar (FILE *of, symbol *sym, sym_link * type, initList * ilist, char *s)
-{
- value *val;
- int remain;
- char old_ch=0, *vchar;
-
- // 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;
-
-
- fprintf(of, "%s\tdata\t", sym->rname);
- vchar = SPEC_CVAL(val->etype).v_char;
- for(remain=0; remain<DCL_ELEM(type); remain++) {
- if(!isprint(old_ch)) {
- if(isprint(vchar[remain]))fprintf(of, "%s\"%c", (remain?", ":""), vchar[remain]);
- else fprintf(of, "0x%02x", vchar[remain]);
- } else
- if(!isprint(vchar[remain]))fprintf(of, "\", 0x%02x", vchar[remain]);
- else fprintf(of, "%c", vchar[remain]);
- old_ch = vchar[ remain ];
- }
-// fprintf(of, "0x%02x%s", SPEC_CVAL(val->etype).v_char[ remain ], (remain==DCL_ELEM(type)-1?"":","));
-
-
- if ((remain = (DCL_ELEM (type) - strlen (SPEC_CVAL (val->etype).v_char) - 1)) > 0)
- {
- while (remain--)
- {
- fprintf(of, "0x%02x%s", 0x00 /*SPEC_CVAL(val->etype).v_char[ remain ]*/ , (remain==DCL_ELEM(type)-1?"":","));
- }
- }
- fprintf(of, "\n");
- return 1;
- }
- else
- return 0;
- }
- else {
- fprintf(of, "%s\tdata\t", sym->rname);
- vchar = s; old_ch = 0;
- for(remain=0; remain<strlen(s); remain++)
- {
- if(!isprint(old_ch)) {
- if(isprint(vchar[remain]))fprintf(of, "%s\"%c", (remain?", ":""), vchar[remain]);
- else fprintf(of, "0x%02x", vchar[remain]);
- } else
- if(!isprint(vchar[remain]))fprintf(of, "\", 0x%02x", vchar[remain]);
- else fprintf(of, "%c", vchar[remain]);
- old_ch = vchar[ remain ];
-// fprintf(of, "0x%02x%s", s[ remain ], (remain==strlen(s)-1?"":","));
- }
- }
- return 1;
-}
-
-/*-----------------------------------------------------------------*/
-/* print_idataArray - generates code for array initialization */
-/*-----------------------------------------------------------------*/
-static void
-print_idataArray (FILE *of, symbol * sym, sym_link * type, initList * ilist)
-{
- initList *iloop;
- int lcnt = 0, size = 0;
-
- /* 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 (print_idataChar (of, sym, type,
- (ilist->type == INIT_DEEP ? ilist->init.deep : ilist),
- SPEC_CVAL (sym->etype).v_char))
- return;
- }
- /* not the special case */
- if (ilist->type != INIT_DEEP)
- {
- werror (E_INIT_STRUCT, sym->name);
- return;
- }
-
- iloop = ilist->init.deep;
- lcnt = DCL_ELEM (type);
-
- for (;;)
- {
- //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
- size++;
- print_idata (of, sym, type->next, iloop);
- iloop = (iloop ? iloop->next : NULL);
-
-
- /* if not array limits given & we */
- /* are out of initialisers then */
- if (!DCL_ELEM (type) && !iloop)
- break;
-
- /* 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);
- }
- break;
- }
- }
-
- /* if we have not been given a size */
- if (!DCL_ELEM (type))
- DCL_ELEM (type) = size;
-
- return;
-}
-
-/*-----------------------------------------------------------------*/
-/* print_idata - generates code for initial value */
-/*-----------------------------------------------------------------*/
-void print_idata(FILE *of, symbol * sym, sym_link * type, initList * ilist)
-{
- if (!ilist)
- return;
-
- /* if structure then */
- if (IS_STRUCT (type))
- {
- //fprintf(stderr,"%s struct\n",__FUNCTION__);
- //printIvalStruct (sym, type, ilist, oFile);
- fprintf(stderr, "%s:%d: PIC16 port error: structure initialisation is not implemented yet.\n",
- __FILE__, __LINE__);
- abort();
- return;
- }
-
- /* if this is a pointer */
- if (IS_PTR (type))
- {
- //fprintf(stderr,"%s pointer\n",__FUNCTION__);
- //printIvalPtr (sym, type, ilist, oFile);
- fprintf(stderr, "%s:%d: PIC16 port error: pointer initialisation is not immplemented yet.\n",
- __FILE__, __LINE__);
- abort();
- return;
- }
-
- /* if this is an array */
- if (IS_ARRAY (type))
- {
- //fprintf(stderr,"%s array\n",__FUNCTION__);
- print_idataArray (of, sym, type, ilist);
- return;
- }
-
- /* if type is SPECIFIER */
- if (IS_SPEC (type))
- {
-// fprintf(stderr,"%s spec\n",__FUNCTION__);
- print_idataType(of, sym, type, ilist);
- return;
- }
-}
-
-
-
-
/*-----------------------------------------------------------------*
* void pic16_list_valid_pics(int ncols, int list_alias)
*
#define BYTE_IN_LONG(x,b) ((x>>(8*_ENDIAN(b)))&0xff)
extern symbol *interrupts[256];
-static void printIval (symbol * sym, sym_link * type, initList * ilist, pBlock *pb);
+void pic16_printIval (symbol * sym, sym_link * type, initList * ilist, char ptype, void *p);
extern int noAlloc;
extern set *publics;
extern set *externs;
}
#endif
-// fprintf(stderr, "'%s': sym '%s' has initial value\n", map->sname, sym->name);
+#if 0
+ fprintf(stderr, "'%s': sym '%s' has initial value SPEC_ABSA: %d, IS_AGGREGATE: %d\n",
+ map->sname, sym->name, SPEC_ABSA(sym->etype), IS_AGGREGATE(sym->type));
+#endif
if (IS_AGGREGATE (sym->type)) {
if(SPEC_ABSA(sym->etype))
/*-----------------------------------------------------------------*/
-/* printIvalType - generates ival for int/char */
+/* pic16_initPointer - pointer initialization code massaging */
+/*-----------------------------------------------------------------*/
+value *pic16_initPointer (initList * ilist, sym_link *toType)
+{
+ value *val;
+ ast *expr;
+
+ if (!ilist) {
+ return valCastLiteral(toType, 0.0);
+ }
+
+ expr = list2expr (ilist);
+
+ if (!expr)
+ goto wrong;
+
+ /* try it the old way first */
+ if ((val = constExprValue (expr, FALSE)))
+ return val;
+
+ /* ( ptr + constant ) */
+ if (IS_AST_OP (expr) &&
+ (expr->opval.op == '+' || expr->opval.op == '-') &&
+ IS_AST_SYM_VALUE (expr->left) &&
+ (IS_ARRAY(expr->left->ftype) || IS_PTR(expr->left->ftype)) &&
+ compareType(toType, expr->left->ftype) &&
+ IS_AST_LIT_VALUE (expr->right)) {
+ return valForCastAggr (expr->left, expr->left->ftype,
+ expr->right,
+ expr->opval.op);
+ }
+
+ /* (char *)&a */
+ if (IS_AST_OP(expr) && expr->opval.op==CAST &&
+ IS_AST_OP(expr->right) && expr->right->opval.op=='&') {
+ if (compareType(toType, expr->left->ftype)!=1) {
+ werror (W_INIT_WRONG);
+ printFromToType(expr->left->ftype, toType);
+ }
+ // skip the cast ???
+ expr=expr->right;
+ }
+
+ /* 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 (DECLARATOR);
+ 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;
+ 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);
+ }
+ }
+ /* case 3. (((char *) &a) +/- constant) */
+ if (IS_AST_OP (expr) &&
+ (expr->opval.op == '+' || expr->opval.op == '-') &&
+ IS_AST_OP (expr->left) && expr->left->opval.op == CAST &&
+ IS_AST_OP (expr->left->right) &&
+ expr->left->right->opval.op == '&' &&
+ IS_AST_LIT_VALUE (expr->right)) {
+
+ return valForCastAggr (expr->left->right->left,
+ expr->left->left->opval.lnk,
+ expr->right, expr->opval.op);
+
+ }
+ /* case 4. (char *)(array type) */
+ if (IS_CAST_OP(expr) && IS_AST_SYM_VALUE (expr->right) &&
+ IS_ARRAY(expr->right->ftype)) {
+
+ val = copyValue (AST_VALUE (expr->right));
+ val->type = newLink (DECLARATOR);
+ if (SPEC_SCLS (expr->right->etype) == S_CODE) {
+ DCL_TYPE (val->type) = CPOINTER;
+ DCL_PTR_CONST (val->type) = port->mem.code_ro;
+ }
+ else if (SPEC_SCLS (expr->right->etype) == S_XDATA)
+ DCL_TYPE (val->type) = FPOINTER;
+ else if (SPEC_SCLS (expr->right->etype) == S_XSTACK)
+ DCL_TYPE (val->type) = PPOINTER;
+ else if (SPEC_SCLS (expr->right->etype) == S_IDATA)
+ DCL_TYPE (val->type) = IPOINTER;
+ else if (SPEC_SCLS (expr->right->etype) == S_EEPROM)
+ DCL_TYPE (val->type) = EEPPOINTER;
+ else
+ DCL_TYPE (val->type) = POINTER;
+ val->type->next = expr->right->ftype->next;
+ val->etype = getSpec (val->type);
+ return val;
+ }
+ wrong:
+ if (expr)
+ werrorfl (expr->filename, expr->lineno, E_INCOMPAT_PTYPES);
+ else
+ werror (E_INCOMPAT_PTYPES);
+ return NULL;
+
+}
+
+
+/*-----------------------------------------------------------------*/
+/* return the generic pointer high byte for a given pointer type. */
+/*-----------------------------------------------------------------*/
+int pic16_pointerTypeToGPByte (const int p_type, const char *iname, const char *oname)
+{
+ switch (p_type)
+ {
+ case IPOINTER:
+ case POINTER:
+ fprintf(stderr, "%s:%d pointer is IPOINTER/POINTER\n", __FILE__, __LINE__);
+ return GPTYPE_NEAR;
+ case GPOINTER:
+ fprintf(stderr, "%s:%d pointer is GPOINTER\n", __FILE__, __LINE__);
+ werror (E_CANNOT_USE_GENERIC_POINTER,
+ iname ? iname : "<null>",
+ oname ? oname : "<null>");
+ exit (1);
+ case FPOINTER:
+ fprintf(stderr, "%s:%d pointer is FPOINTER\n", __FILE__, __LINE__);
+ return GPTYPE_FAR;
+ case CPOINTER:
+ fprintf(stderr, "%s:%d pointer is CPOINTER\n", __FILE__, __LINE__);
+ return GPTYPE_CODE;
+ case PPOINTER:
+ fprintf(stderr, "%s:%d pointer is PPOINTER\n", __FILE__, __LINE__);
+ return GPTYPE_XSTACK;
+ default:
+ fprintf (stderr, "*** internal error: unknown pointer type %d in GPByte.\n",
+ p_type);
+ break;
+ }
+ return -1;
+}
+
+
+/*-----------------------------------------------------------------*/
+/* printPointerType - generates ival for pointer type */
+/*-----------------------------------------------------------------*/
+void _pic16_printPointerType (const char *name, char ptype, void *p)
+{
+ char buf[256];
+
+ sprintf(buf, "LOW(%s)", name);
+ pic16_emitDS(buf, ptype, p);
+ sprintf(buf, "HIGH(%s)", name);
+ pic16_emitDS(buf, ptype, p);
+}
+
+/*-----------------------------------------------------------------*/
+/* printPointerType - generates ival for pointer type */
+/*-----------------------------------------------------------------*/
+void pic16_printPointerType (const char *name, char ptype, void *p)
+{
+ _pic16_printPointerType (name, ptype, p);
+ pic16_flushDB(ptype, p);
+}
+
+/*-----------------------------------------------------------------*/
+/* printGPointerType - generates ival for generic pointer type */
+/*-----------------------------------------------------------------*/
+void pic16_printGPointerType (const char *iname, const char *oname,
+ const unsigned int type, char ptype, void *p)
+{
+ _pic16_printPointerType (iname, ptype, p);
+ pic16_emitDB(pic16_pointerTypeToGPByte(type, iname, oname), ptype, p);
+ pic16_flushDB(ptype, p);
+}
+
+
+
+/*-----------------------------------------------------------------*/
+/* pic16_printIvalType - generates ival for int/char */
/*-----------------------------------------------------------------*/
static void
-printIvalType (symbol *sym, sym_link * type, initList * ilist, pBlock *pb)
+pic16_printIvalType (symbol *sym, sym_link * type, initList * ilist, char ptype, void *p)
{
value *val;
unsigned long ulval;
//fprintf(stderr, "%s\n",__FUNCTION__);
/* if initList is deep */
- if (ilist->type == INIT_DEEP)
+ if (ilist && ilist->type == INIT_DEEP)
ilist = ilist->init.deep;
if (!IS_AGGREGATE(sym->type) && getNelements(type, ilist)>1) {
switch (getSize (type)) {
case 1:
- // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
- pic16_emitDB(pb, BYTE_IN_LONG(ulval,0));
+ pic16_emitDB(BYTE_IN_LONG(ulval,0), ptype, p);
break;
case 2:
- // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
- // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
- pic16_emitDB(pb, BYTE_IN_LONG(ulval,0));
- pic16_emitDB(pb, BYTE_IN_LONG(ulval,1));
+ pic16_emitDB(BYTE_IN_LONG(ulval,0), ptype, p);
+ pic16_emitDB(BYTE_IN_LONG(ulval,1), ptype, p);
break;
case 4:
- // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
- // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
- // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,2))));
- // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,3))));
- pic16_emitDB(pb, BYTE_IN_LONG(ulval,0));
- pic16_emitDB(pb, BYTE_IN_LONG(ulval,1));
- pic16_emitDB(pb, BYTE_IN_LONG(ulval,2));
- pic16_emitDB(pb, BYTE_IN_LONG(ulval,3));
+ 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);
break;
}
}
-/*-----------------------------------------------------------------*/
-/* printIvalChar - generates initital value for character array */
-/*-----------------------------------------------------------------*/
+/*--------------------------------------------------------------------*/
+/* pic16_printIvalChar - generates initital value for character array */
+/*--------------------------------------------------------------------*/
static int
-printIvalChar (sym_link * type, initList * ilist, pBlock *pb, char *s)
+pic16_printIvalChar (sym_link * type, initList * ilist, char *s, char ptype, void *p)
{
value *val;
int remain;
- if(!pb)
+ if(!p)
return 0;
+
// fprintf(stderr, "%s\n",__FUNCTION__);
if (!s)
{
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(pb, SPEC_CVAL(val->etype).v_char[ remain ]);
+ for(remain=0; remain<DCL_ELEM(type); remain++)
+ pic16_emitDB(SPEC_CVAL(val->etype).v_char[ remain ], ptype, p);
-// pic16_addpCode2pBlock(pb,pic16_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);
- // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(0)));
- pic16_emitDB(pb,0);
- }
- }
+ 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 {
- //printChar (oFile, s, strlen (s) + 1);
-
- for(remain=0; remain<strlen(s); remain++)
- {
- // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(s[remain])));
- //fprintf(stderr,"0x%02x ",s[remain]);
- pic16_emitDB(pb, s[remain]);
- }
- //fprintf(stderr,"\n");
+ for(remain=0; remain<strlen(s); remain++) {
+ pic16_emitDB(s[remain], ptype, p);
+ }
}
return 1;
}
/*-----------------------------------------------------------------*/
-/* printIvalArray - generates code for array initialization */
+/* pic16_printIvalArray - generates code for array initialization */
/*-----------------------------------------------------------------*/
static void
-printIvalArray (symbol * sym, sym_link * type, initList * ilist,
- pBlock *pb)
+pic16_printIvalArray (symbol * sym, sym_link * type, initList * ilist,
+ char ptype, void *p)
{
initList *iloop;
int lcnt = 0, size = 0;
- if(!pb)
+ if(!p)
return;
/* 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;
}
- fprintf(stderr, "%s:%d adding %s to idata\n", __FILE__, __LINE__, sym->name);
- if(SPEC_ABSA(sym->etype))
- addSet(&fix_idataSymSet, copySymbol(sym));
- else
- addSet(&rel_idataSymSet, copySymbol(sym));
-
- if (printIvalChar (type,
+ if(pic16_printIvalChar (type,
(ilist->type == INIT_DEEP ? ilist->init.deep : ilist),
- pb, SPEC_CVAL (sym->etype).v_char))
+ SPEC_CVAL (sym->etype).v_char, ptype, p))
return;
}
/* not the special case */
- if (ilist->type != INIT_DEEP)
+ if (ilist && ilist->type != INIT_DEEP)
{
werror (E_INIT_STRUCT, sym->name);
return;
for (;;)
{
- //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
size++;
- printIval (sym, type->next, iloop, pb);
+ pic16_printIval (sym, type->next, iloop, ptype, p);
iloop = (iloop ? iloop->next : NULL);
return;
}
+/*-----------------------------------------------------------------*/
+/* pic16_printIvalBitFields - generate initializer for bitfields */
+/*-----------------------------------------------------------------*/
+void pic16_printIvalBitFields(symbol **sym, initList **ilist, char ptype, void *p)
+{
+ 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:
+ pic16_emitDB(BYTE_IN_LONG(ival, 0), ptype, p);
+ break;
+ case 2:
+ pic16_emitDB(BYTE_IN_LONG(ival, 0), ptype, p);
+ pic16_emitDB(BYTE_IN_LONG(ival, 1), ptype, p);
+ break;
+
+ case 4: /* EEP: why is this db and not dw? */
+ pic16_emitDB(BYTE_IN_LONG(ival, 0), ptype, p);
+ pic16_emitDB(BYTE_IN_LONG(ival, 1), ptype, p);
+ pic16_emitDB(BYTE_IN_LONG(ival, 2), ptype, p);
+ pic16_emitDB(BYTE_IN_LONG(ival, 3), ptype, p);
+ break;
+ default:
+ /* VR - only 1,2,4 size long can be handled???? Why? */
+ fprintf(stderr, "%s:%d: unhandled case. Contact author.\n", __FILE__, __LINE__);
+ }
+ *sym = lsym;
+ *ilist = lilist;
+}
+
/*-----------------------------------------------------------------*/
-/* printIval - generates code for initial value */
+/* printIvalStruct - generates initial value for structures */
/*-----------------------------------------------------------------*/
-static void
-printIval (symbol * sym, sym_link * type, initList * ilist, pBlock *pb)
+void pic16_printIvalStruct (symbol * sym, sym_link * type,
+ initList * ilist, char ptype, void *p)
+{
+ 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)) {
+// fprintf(stderr, "%s:%d sflds: %p\tiloop = %p\n", __FILE__, __LINE__, sflds, iloop);
+ if (IS_BITFIELD(sflds->type)) {
+ pic16_printIvalBitFields(&sflds, &iloop, ptype, p);
+ } else {
+ pic16_printIval (sym, sflds->type, iloop, ptype, p);
+ }
+ }
+ if (iloop) {
+ werrorfl (sym->fileDef, sym->lineDef, W_EXCESS_INITIALIZERS, "struct", sym->name);
+ }
+ return;
+}
+
+/*--------------------------------------------------------------------------*/
+/* pic16_printIvalCharPtr - generates initial values for character pointers */
+/*--------------------------------------------------------------------------*/
+int pic16_printIvalCharPtr (symbol * sym, sym_link * type, value * val, char ptype, void *p)
+{
+ int size = 0;
+
+ /* PENDING: this is _very_ mcs51 specific, including a magic
+ number...
+ It's also endin specific.
+
+ VR - Attempting to port this function to pic16 port - 8-Jun-2004
+ */
+
+ fprintf(stderr, "%s\n",__FUNCTION__);
+
+ size = getSize (type);
+
+ if (val->name && strlen (val->name))
+ {
+ if (size == 1) /* This appears to be Z80 specific?? */
+ {
+ pic16_emitDS(val->name, ptype, p);
+ }
+ else if (size == FPTRSIZE)
+ {
+ pic16_printPointerType (val->name, ptype, p);
+ }
+ else if (size == GPTRSIZE)
+ {
+ int type;
+ if (IS_PTR (val->type)) {
+ type = DCL_TYPE (val->type);
+ } else {
+ type = PTR_TYPE (SPEC_OCLS (val->etype));
+ }
+ if (val->sym && val->sym->isstrlit) {
+ // this is a literal string
+ type=CPOINTER;
+ }
+ pic16_printGPointerType(val->name, sym->name, type, ptype, p);
+ }
+ else
+ {
+ fprintf (stderr, "*** internal error: unknown size in "
+ "printIvalCharPtr.\n");
+ }
+ }
+ else
+ {
+ // these are literals assigned to pointers
+ switch (size)
+ {
+ case 1:
+ pic16_emitDS(aopLiteral(val, 0), ptype, p);
+// tfprintf (oFile, "\t!dbs\n", aopLiteral (val, 0));
+ break;
+ case 2:
+ pic16_emitDS(aopLiteral(val, 0), ptype, p);
+ pic16_emitDS(aopLiteral(val, 1), ptype, p);
+// tfprintf (oFile, "\t.byte %s,%s\n",
+// aopLiteral (val, 0), aopLiteral (val, 1));
+ break;
+ case 3:
+ if (IS_GENPTR(type) && floatFromVal(val)!=0) {
+ // non-zero mcs51 generic pointer
+ werrorfl (sym->fileDef, sym->lineDef, E_LITERAL_GENERIC);
+ }
+
+ pic16_emitDS(aopLiteral(val, 0), ptype, p);
+ pic16_emitDS(aopLiteral(val, 1), ptype, p);
+ pic16_emitDS(aopLiteral(val, 2), ptype, p);
+
+// fprintf (oFile, "\t.byte %s,%s,%s\n",
+// aopLiteral (val, 0),
+// aopLiteral (val, 1),
+// aopLiteral (val, 2));
+ break;
+
+
+/* no 4 bytes size long for pic16 port */
+ case 4:
+ if (IS_GENPTR(type) && floatFromVal(val)!=0) {
+ // non-zero ds390 generic pointer
+ werrorfl (sym->fileDef, sym->lineDef, E_LITERAL_GENERIC);
+ }
+
+// fprintf (oFile, "\t.byte %s,%s,%s,%s\n",
+// aopLiteral (val, 0),
+// aopLiteral (val, 1),
+// aopLiteral (val, 2),
+// aopLiteral (val, 3));
+ break;
+ default:
+ assert (0);
+ }
+ }
+
+ if (val->sym && val->sym->isstrlit && !isinSet(statsg->syms, val->sym)) {
+ addSet (&statsg->syms, val->sym);
+ }
+
+ return 1;
+}
+
+/*-----------------------------------------------------------------------*/
+/* pic16_printIvalFuncPtr - generate initial value for function pointers */
+/*-----------------------------------------------------------------------*/
+void pic16_printIvalFuncPtr (sym_link * type, initList * ilist, char ptype, void *p)
{
- if (!ilist || !pb)
+ value *val;
+ int dLvl = 0;
+
+ if (ilist)
+ val = list2val (ilist);
+ else
+ val = valCastLiteral(type, 0.0);
+
+ if (!val) {
+ // an error has been thrown already
+ val=constVal("0");
+ }
+
+ if (IS_LITERAL(val->etype)) {
+ if (compareType(type, val->etype) == 0) {
+ werrorfl (ilist->filename, ilist->lineno, E_INCOMPAT_TYPES);
+ printFromToType (val->type, type);
+ }
+ pic16_printIvalCharPtr (NULL, type, val, ptype, p);
+ return;
+ }
+
+ /* check the types */
+ if ((dLvl = compareType (val->type, type->next)) <= 0)
+ {
+ pic16_emitDB(0x00, ptype, p);
+ return;
+ }
+
+ /* now generate the name */
+ if (!val->sym)
+ {
+ pic16_printPointerType (val->name, ptype, p);
+ }
+ else
+ {
+ pic16_printPointerType (val->sym->rname, ptype, p);
+ }
+
+ return;
+}
+
+
+/*-----------------------------------------------------------------*/
+/* pic16_printIvalPtr - generates initial value for pointers */
+/*-----------------------------------------------------------------*/
+void pic16_printIvalPtr (symbol * sym, sym_link * type, initList * ilist, char ptype, void *p)
+{
+ value *val;
+ int size;
+
+ /* if deep then */
+ if (ilist && (ilist->type == INIT_DEEP))
+ ilist = ilist->init.deep;
+
+ /* function pointer */
+ if (IS_FUNC (type->next))
+ {
+ pic16_printIvalFuncPtr (type, ilist, ptype, p);
+ return;
+ }
+
+ if (!(val = pic16_initPointer (ilist, type)))
+ return;
+
+ /* if character pointer */
+ if (IS_CHAR (type->next))
+ if (pic16_printIvalCharPtr (sym, type, val, ptype, p))
+ return;
+
+ /* check the type */
+ if (compareType (type, val->type) == 0) {
+ werrorfl (ilist->filename, ilist->lineno, W_INIT_WRONG);
+ printFromToType (val->type, type);
+ }
+
+ /* if val is literal */
+ if (IS_LITERAL (val->etype))
+ {
+ switch (getSize (type))
+ {
+ case 1:
+ pic16_emitDB((unsigned int)floatFromVal(val) & 0xff, ptype, p);
+// tfprintf (oFile, "\t!db !constbyte\n", (unsigned int) floatFromVal (val) & 0xff);
+ break;
+ case 2:
+ pic16_emitDB(pic16aopLiteral(val, 0), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 1), ptype, p);
+// tfprintf (oFile, "\t.byte %s,%s\n", aopLiteral (val, 0), aopLiteral (val, 1));
+ break;
+ case 3:
+ pic16_emitDB(pic16aopLiteral(val, 0), ptype, p);
+ pic16_emitDB(pic16aopLiteral(val, 1), ptype, p);
+
+ if (IS_GENPTR (val->type))
+ pic16_emitDB(pic16aopLiteral(val, 2), ptype, p);
+ else if (IS_PTR (val->type))
+ pic16_emitDB(pic16_pointerTypeToGPByte(DCL_TYPE(val->type), NULL, NULL), ptype, p);
+ else
+ pic16_emitDB(pic16aopLiteral(val, 2), ptype, p);
+ }
+ return;
+ }
+
+
+ size = getSize (type);
+
+ if (size == 1) /* Z80 specific?? */
+ {
+ pic16_emitDS(val->name, ptype, p);
+ }
+ else if (size == FPTRSIZE)
+ {
+ pic16_printPointerType (val->name, ptype, p);
+ }
+ else if (size == GPTRSIZE)
+ {
+ pic16_printGPointerType (val->name, sym->name,
+ (IS_PTR (val->type) ? DCL_TYPE (val->type) :
+ PTR_TYPE (SPEC_OCLS (val->etype))), ptype, p);
+ }
+ return;
+}
+
+
+
+/*-----------------------------------------------------------------*/
+/* pic16_printIval - generates code for initial value */
+/*-----------------------------------------------------------------*/
+void pic16_printIval (symbol * sym, sym_link * type, initList * ilist, char ptype, void *p)
+{
+ sym_link *itype;
+
+ if (!p)
return;
// fprintf(stderr, "%s:%d generating init for %s\n", __FILE__, __LINE__, sym->name);
/* if structure then */
if (IS_STRUCT (type))
{
- //fprintf(stderr,"%s struct\n",__FUNCTION__);
- //printIvalStruct (sym, type, ilist, oFile);
- fprintf(stderr, "%s:%d: PIC16 port error: structure initialisation is not implemented yet.\n",
- __FILE__, __LINE__);
- abort();
+ fprintf(stderr,"%s struct\n",__FUNCTION__);
+ pic16_printIvalStruct (sym, type, ilist, ptype, p);
return;
}
- /* if this is a pointer */
- if (IS_PTR (type))
+ /* if this is an array */
+ if (IS_ARRAY (type))
{
- //fprintf(stderr,"%s pointer\n",__FUNCTION__);
- //printIvalPtr (sym, type, ilist, oFile);
- fprintf(stderr, "%s:%d: PIC16 port error: pointer initialisation is not implemented yet.\n",
- __FILE__, __LINE__);
- abort();
+// fprintf(stderr,"%s array\n",__FUNCTION__);
+ pic16_printIvalArray (sym, type, ilist, ptype, p);
return;
}
- /* if this is an array */
- if (IS_ARRAY (type))
+#if 0
+ if (ilist)
{
- //fprintf(stderr,"%s array\n",__FUNCTION__);
- printIvalArray (sym, type, ilist, pb);
+ // not an aggregate, ilist must be a node
+ if (ilist->type!=INIT_NODE) {
+ // or a 1-element list
+ if (ilist->init.deep->next) {
+ werrorfl (sym->fileDef, sym->lineDef, W_EXCESS_INITIALIZERS, "scalar",
+ sym->name);
+ } else {
+ ilist=ilist->init.deep;
+ }
+ }
+
+#if 1
+ // and the type must match
+ itype=ilist->init.node->ftype;
+
+ if (compareType(type, itype)==0) {
+ // special case for literal strings
+ if (IS_ARRAY (itype) && IS_CHAR (getSpec(itype)) &&
+ // which are really code pointers
+ IS_PTR(type) && DCL_TYPE(type)==CPOINTER) {
+ // no sweat
+ } else {
+// werrorfl (ilist->filename, ilist->lineno, E_TYPE_MISMATCH, "assignment", " ");
+// printFromToType(itype, type);
+ }
+ }
+#endif
+ }
+#endif
+
+ /* if this is a pointer */
+ if (IS_PTR (type))
+ {
+ fprintf(stderr,"%s pointer\n",__FUNCTION__);
+ pic16_printIvalPtr (sym, type, ilist, ptype, p);
return;
}
+
/* if type is SPECIFIER */
if (IS_SPEC (type))
{
- //fprintf(stderr,"%s spec\n",__FUNCTION__);
- printIvalType (sym, type, ilist, pb);
+// fprintf(stderr,"%s spec\n",__FUNCTION__);
+ pic16_printIvalType (sym, type, ilist, ptype, p);
return;
}
}
//fprintf(stderr, "%s\n",__FUNCTION__);
+ pic16_initDB();
+
/* for all variables in this segment do */
for (sym = setFirstItem (map->syms); sym;
sym = setNextItem (map->syms))
{
#if 0
- fprintf(stderr, "\t%s: sym: %s\tused: %d\n", map->sname, sym->name, sym->used);
+ fprintf(stderr, "\t%s: sym: %s\tused: %d\tSPEC_ABSA: %d\tSPEC_AGGREGATE: %d\tCODE: %d\n\
+CODESPACE: %d\tCONST: %d\tPTRCONST: %d\tSPEC_CONST: %d\n",
+ map->sname, sym->name, sym->used, SPEC_ABSA(sym->etype), IS_AGGREGATE(sym->type),
+ IS_CODE(sym->etype), IN_CODESPACE( SPEC_OCLS(sym->etype)), IS_CONSTANT(sym->etype),
+ IS_PTR_CONST(sym->etype), SPEC_CONST(sym->etype));
printTypeChain( sym->type, stderr );
fprintf(stderr, "\n");
#endif
pic16_addpCode2pBlock(pb,pcf);
pic16_addpCode2pBlock(pb,pic16_newpCodeLabel(sym->rname,-1));
- printIval (sym, sym->type, sym->ival, pb);
- pic16_flushDB(pb);
+ pic16_printIval(sym, sym->type, sym->ival, 'p', (void *)pb);
+ pic16_flushDB('p', (void *)pb);
pic16_addpCode2pBlock(pb, pic16_newpCodeFunction(NULL, NULL));
noAlloc--;
fprintf (code->oFile, "%s:\n", sym->rname);
noAlloc++;
resolveIvalSym (sym->ival, sym->type);
- //printIval (sym, sym->type, sym->ival, code->oFile);
+
pb = pic16_newpCodeChain(NULL, 'P',pic16_newpCodeCharP("; Starting pCode block for Ival"));
pic16_addpBlock(pb);
pic16_addpCode2pBlock(pb,pic16_newpCodeLabel(sym->rname,-1));
- printIval (sym, sym->type, sym->ival, pb);
- pic16_flushDB(pb);
+ pic16_printIval(sym, sym->type, sym->ival, 'p', (void *)pb);
+ pic16_flushDB('p', (void *)pb);
noAlloc--;
}
else
projects / fw / sdcc / commitdiff