void pic16_pCodeInitRegisters(void);
pCodeOp *pic16_popCopyReg(pCodeOpReg *pc);
-extern void pic16_pCodeConstString(char *name, char *value);
+extern void pic16_pCodeConstString(char *name, char *value, unsigned length);
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
/* pic16_initPointer - pointer initialization code massaging */
/*-----------------------------------------------------------------*/
-value *pic16_initPointer (initList * ilist, sym_link *toType)
+static value *
+pic16_initPointer (initList * ilist, sym_link *toType)
{
value *val;
ast *expr;
/*-----------------------------------------------------------------*/
/* printPointerType - generates ival for pointer type */
/*-----------------------------------------------------------------*/
-void _pic16_printPointerType (const char *name, char ptype, void *p)
+static void
+_pic16_printPointerType (const char *name, char ptype, void *p)
{
char buf[256];
/*-----------------------------------------------------------------*/
/* printPointerType - generates ival for pointer type */
/*-----------------------------------------------------------------*/
-void pic16_printPointerType (const char *name, char ptype, void *p)
+static void
+pic16_printPointerType (const char *name, char ptype, void *p)
{
_pic16_printPointerType (name, ptype, p);
//pic16_flushDB(ptype, p); /* breaks char* const arr[] = {&c, &c, &c}; */
/*-----------------------------------------------------------------*/
/* printGPointerType - generates ival for generic pointer type */
/*-----------------------------------------------------------------*/
-void pic16_printGPointerType (const char *iname, const unsigned int itype,
+static void
+pic16_printGPointerType (const char *iname, const unsigned int itype,
char ptype, void *p)
{
char buf[256];
switch (itype)
{
- case CPOINTER:
- case FUNCTION:
+ case CPOINTER: /* fall through */
+ case FUNCTION: /* fall through */
+ case GPOINTER:
+ /* GPTRs pointing to __data space should be reported as POINTERs */
sprintf (buf, "UPPER(%s)", iname);
pic16_emitDS (buf, ptype, p);
break;
- case GPOINTER:
- case POINTER:
- sprintf (buf, "0x80");
+ case POINTER: /* fall through */
+ case FPOINTER: /* fall through */
+ case IPOINTER: /* fall through */
+ case PPOINTER: /* __data space */
+ sprintf (buf, "0x%02x", GPTR_TAG_DATA);
pic16_emitDS (buf, ptype, p);
break;
- /*
- * FPOINTER and IPOINTER are not used in pic16 port
- case FPOINTER:
- case IPOINTER:
- */
default:
debugf ("itype = %d\n", itype );
assert (0);
}
+ if (itype == GPOINTER) {
+ fprintf(stderr, "%s: initialized generic pointer with unknown storage class assumes object in code space\n", __func__);
+ }
+
//pic16_flushDB(ptype, p); /* might break char* const arr[] = {...}; */
}
pic16_printIvalType (symbol *sym, sym_link * type, initList * ilist, char ptype, void *p)
{
value *val;
+ int i;
// fprintf(stderr, "%s for symbol %s\n",__FUNCTION__, sym->rname);
val = valCastLiteral(type, floatFromVal(val));
}
- switch (getSize (type)) {
- case 1:
- pic16_emitDB(pic16aopLiteral(val, 0), ptype, p);
- break;
-
- case 2:
- 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(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;
- }
+ for (i = 0; i < getSize (type); i++) {
+ pic16_emitDB(pic16aopLiteral(val, i), ptype, p);
+ } // for
}
/*--------------------------------------------------------------------*/
/* length of initializer string (might contain \0, so do not use strlen) */
ilen = DCL_ELEM(val->type);
+#if 0
+ /* This causes structflexarray.c to fail. */
if(!DCL_ELEM (type))
DCL_ELEM (type) = ilen;
+#endif
/* len is 0 if declartion equals initializer,
* >0 if declaration greater than initializer
if(len >= 0) {
/* emit initializer */
- for(remain=0; remain<ilen; remain++)
+ for(remain=0; remain<ilen; remain++) {
pic16_emitDB(SPEC_CVAL(val->etype).v_char[ remain ], ptype, p);
-
- /* fill array with 0x00 */
- while(len--) {
- pic16_emitDB(0x00, ptype, p);
- }
+ } // for
+
+ /* fill array with 0x00 */
+ while(len--) {
+ pic16_emitDB(0x00, ptype, p);
+ } // while
+ } else if (!DCL_ELEM (type)) {
+ // flexible arrays: char str[] = "something"; */
+ for(remain=0; remain<ilen; remain++) {
+ pic16_emitDB(SPEC_CVAL(val->etype).v_char[ remain ], ptype, p);
+ } // for
} else {
werror (W_EXCESS_INITIALIZERS, "array of chars", sym->name, sym->lineDef);
-
- for(remain=0; remain<DCL_ELEM (type); remain++)
+ for(remain=0; remain<DCL_ELEM (type); remain++) {
pic16_emitDB(SPEC_CVAL(val->etype).v_char[ remain ], ptype, p);
- }
+ } // for
+ } // if
// if((remain = (DCL_ELEM (type) - strlen (SPEC_CVAL (val->etype).v_char) - 1)) > 0) {
/* 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) && ilist) {
if (!IS_LITERAL(list2val(ilist)->etype)) {
werror (W_INIT_WRONG);
return;
return;
}
- iloop = ilist->init.deep;
+ iloop = (ilist ? ilist->init.deep : NULL);
lcnt = DCL_ELEM (type);
for (;;)
}
}
+#if 0
+ /* This causes bug #1843745. */
/* if we have not been given a size */
if (!DCL_ELEM (type))
DCL_ELEM (type) = size;
+#endif
return;
}
/*-----------------------------------------------------------------*/
/* pic16_printIvalBitFields - generate initializer for bitfields */
/*-----------------------------------------------------------------*/
-void pic16_printIvalBitFields(symbol **sym, initList **ilist, char ptype, void *p)
+static void
+pic16_printIvalBitFields(symbol **sym, initList **ilist, char ptype, void *p)
{
value *val ;
symbol *lsym = *sym;
initList *lilist = *ilist ;
unsigned long ival = 0;
+ unsigned long i;
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));
}
- i = ulFromVal (val);
+ i = (ulFromVal (val) & ((1ul << SPEC_BLEN (lsym->etype)) - 1ul));
i <<= SPEC_BSTR (lsym->etype);
ival |= i;
if (! ( lsym->next &&
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__);
- assert(0);
- }
+ for (i = 0; i < size; i++) {
+ pic16_emitDB(BYTE_IN_LONG(ival, i), ptype, p);
+ } // for
+
*sym = lsym;
*ilist = lilist;
}
/*-----------------------------------------------------------------*/
/* printIvalStruct - generates initial value for structures */
/*-----------------------------------------------------------------*/
-void pic16_printIvalStruct (symbol * sym, sym_link * type,
+static void
+pic16_printIvalStruct (symbol * sym, sym_link * type,
initList * ilist, char ptype, void *p)
{
symbol *sflds;
iloop = ilist->init.deep;
}
- for (; (sflds && iloop); sflds = sflds->next, iloop = (iloop ? iloop->next : NULL)) {
+ 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);
/*-----------------------------------------------------------------*/
/* printIvalUnion - generates initial value for unions */
/*-----------------------------------------------------------------*/
-void pic16_printIvalUnion (symbol * sym, sym_link * type,
+static void
+pic16_printIvalUnion (symbol * sym, sym_link * type,
initList * ilist, char ptype, void *p)
{
//symbol *sflds;
initList *iloop = NULL;
- int i, size;
-
+ int size;
+ symbol *sflds = NULL;
#if DEBUG_PRINTIVAL
fprintf(stderr, "%s\n",__FUNCTION__);
#endif
- iloop = ilist;
- i = 0;
- while (iloop)
- {
- i++;
- iloop = iloop->next;
- } // while
+ assert (type);
- size = -1;
- if (type) size = SPEC_STRUCT(type)->size;
+ sflds = SPEC_STRUCT (type)->fields;
- if (i == 1 && size >= 0 && size <= sizeof(long))
- {
- unsigned long val = ulFromVal (list2val(ilist));
- while (size--)
- {
- pic16_emitDB(val, ptype, p);
- val >>= 8;
- } // while
- return;
- } // if
+ if (ilist) {
+ if (ilist->type != INIT_DEEP) {
+ werrorfl (sym->fileDef, sym->lineDef, E_INIT_STRUCT, sym->name);
+ return;
+ }
+
+ iloop = ilist->init.deep;
+ }
- fprintf( stderr, "INCOMPLETE SUPPORT FOR INITIALIZED union---FALLING BACK TO struct\n" );
- fprintf( stderr, "This is a bug. Please file a bug-report with your source attached.\n" );
- pic16_printIvalStruct( sym, type, ilist, ptype, p );
+ size = SPEC_STRUCT(type)->size;
+ sflds = SPEC_STRUCT(type)->fields;
+ pic16_printIval (sym, sflds->type, iloop, ptype, p);
+
+ /* if the first field is not the longest, fill with 0s */
+ while (size > getSize (sflds->type)) {
+ pic16_emitDB(0, ptype, p);
+ size--;
+ } // while
}
static int
/*--------------------------------------------------------------------------*/
/* pic16_printIvalCharPtr - generates initial values for character pointers */
/*--------------------------------------------------------------------------*/
-int pic16_printIvalCharPtr (symbol * sym, sym_link * type, value * val, char ptype, void *p)
+static int
+pic16_printIvalCharPtr (symbol * sym, sym_link * type, value * val, char ptype, void *p)
{
int size = 0;
+ int i;
/* PENDING: this is _very_ mcs51 specific, including a magic
number...
else if (size == 3)
{
int type;
- if (IS_PTR (val->type)) {
- type = DCL_TYPE (val->type);
- } else {
- type = PTR_TYPE (SPEC_OCLS (val->etype));
- }
+ type = PTR_TYPE (SPEC_OCLS (val->etype));
if (val->sym && val->sym->isstrlit) {
// this is a literal string
- type=CPOINTER;
+ type = CPOINTER;
}
pic16_printGPointerType(val->name, type, ptype, p);
}
else
{
// these are literals assigned to pointers
- switch (size)
+ for (i = 0; i < size; i++)
{
- case 1:
- pic16_emitDB(pic16aopLiteral(val, 0), ptype, p);
- break;
- case 2:
- 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);
- break;
-
- default:
- assert (0);
- }
+ pic16_emitDB(pic16aopLiteral(val, i), ptype, p);
+ } // for
}
if (val->sym && val->sym->isstrlit) { // && !isinSet(statsg->syms, val->sym)) {
/*-----------------------------------------------------------------------*/
/* pic16_printIvalFuncPtr - generate initial value for function pointers */
/*-----------------------------------------------------------------------*/
-void pic16_printIvalFuncPtr (sym_link * type, initList * ilist, char ptype, void *p)
+static void
+pic16_printIvalFuncPtr (sym_link * type, initList * ilist, char ptype, void *p)
{
value *val;
int dLvl = 0;
}
if (IS_LITERAL(val->etype)) {
- if (compareType(type, val->etype) == 0) {
+ if (0 && compareType(type, val->etype) == 0) {
werrorfl (ilist->filename, ilist->lineno, E_INCOMPAT_TYPES);
printFromToType (val->type, type);
}
/* now generate the name */
if (!val->sym) {
- pic16_printGPointerType (val->name, DCL_TYPE(val->type), ptype, p);
+ pic16_printGPointerType (val->name, CPOINTER /*DCL_TYPE(val->type)*/, ptype, p);
} else {
- pic16_printGPointerType (val->sym->rname, DCL_TYPE(val->type), ptype, p);
+ pic16_printGPointerType (val->sym->rname, CPOINTER /*DCL_TYPE(val->type)*/, ptype, p);
if(IS_FUNC(val->sym->type) && !val->sym->used && !IS_STATIC(val->sym->etype)) {
/*-----------------------------------------------------------------*/
/* pic16_printIvalPtr - generates initial value for pointers */
/*-----------------------------------------------------------------*/
-void pic16_printIvalPtr (symbol * sym, sym_link * type, initList * ilist, char ptype, void *p)
+static void
+pic16_printIvalPtr (symbol * sym, sym_link * type, initList * ilist, char ptype, void *p)
{
value *val;
int size;
+ int i;
#if 0
fprintf(stderr, "%s:%d initialising pointer: %s size: %d\n", __FILE__, __LINE__,
printFromToType (val->type, type);
}
+ size = getSize (type);
+
/* if val is literal */
if (IS_LITERAL (val->etype))
{
- switch (getSize (type))
+ for (i = 0; i < size; i++)
{
- case 1:
- pic16_emitDB((unsigned int) ulFromVal (val) & 0xff, ptype, p);
- break;
- case 2:
- 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);
- break;
- default:
- fprintf(stderr, "%s:%d size = %d\n", __FILE__, __LINE__, getSize(type));
- assert(0);
- }
+ pic16_emitDB(pic16aopLiteral(val, i), ptype, p);
+ } // for
return;
}
-
- size = getSize (type);
-
if (size == 1) /* Z80 specific?? */
{
pic16_emitDS(val->name, ptype, p);
}
else if (size == 2)
{
- pic16_printPointerType (val->name, ptype, p);
+ pic16_printPointerType (val->name, ptype, p);
}
else if (size == 3)
{
- pic16_printGPointerType (val->name, (IS_PTR(type)?DCL_TYPE(type):PTR_TYPE(SPEC_OCLS(sym->etype))),
- ptype, p);
- } else
- assert(0);
- return;
+ int itype = 0;
+ itype = PTR_TYPE (SPEC_OCLS (val->etype));
+ pic16_printGPointerType (val->name, itype, ptype, p);
+ }
+ else
+ {
+ assert(0);
+ }
}
}
}
-int PIC16_IS_CONFIG_ADDRESS(int address)
+static int
+PIC16_IS_CONFIG_ADDRESS(int address)
{
return ((address >= pic16->cwInfo.confAddrStart && address <= pic16->cwInfo.confAddrEnd));
}
-int PIC16_IS_IDLOC_ADDRESS(int address)
+static int
+PIC16_IS_IDLOC_ADDRESS(int address)
{
return ((address >= pic16->idInfo.idAddrStart && address <= pic16->idInfo.idAddrEnd));
}
-/* wrapper function for the above */
-int PIC16_IS_HWREG_ADDRESS(int address)
-{
- return (PIC16_IS_CONFIG_ADDRESS(address) || PIC16_IS_IDLOC_ADDRESS(address));
-}
-
-
/*-----------------------------------------------------------------*/
/* emitStaticSeg - emitcode for the static segment */
/*-----------------------------------------------------------------*/
// fprintf(stderr, "%s:%d printing code string from %s\n", __FILE__, __LINE__, sym->rname);
- pic16_pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char);
+ pic16_pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char, getSize(sym->type));
} else {
fprintf (stderr, "%s:%u(%s): do not know how to intialize symbol %s\n", __FILE__, __LINE__, __FUNCTION__, sym->rname);
assert(0);
// fprintf(stderr, "%s:%d printing code string for %s\n", __FILE__, __LINE__, sym->rname);
- pic16_pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char);
+ pic16_pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char, getSize(sym->type));
} else {
assert(0);
}
static void
pic16initialComments (FILE * afile)
{
- initialComments (afile);
- fprintf (afile, "; PIC16 port for the Microchip 16-bit core micros\n");
- if(xinst)
- fprintf (afile, "; * Extended Instruction Set\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]%s\"\n",
- SDCC_VERSION_STR, getBuildNumber(), (!xinst?"":" {extended}") );
- }
+ initialComments (afile);
+ fprintf (afile, "; PIC16 port for the Microchip 16-bit core micros\n");
+ if (pic16_options.xinst) {
+ fprintf (afile, "; * Extended Instruction Set\n");
+ } // if
+
+ if (pic16_mplab_comp) {
+ fprintf(afile, "; * MPLAB/MPASM/MPASMWIN/MPLINK compatibility mode enabled\n");
+ } // if
+ fprintf (afile, iComments2);
+
+ if (options.debug) {
+ fprintf (afile, "\n\t.ident \"SDCC version %s #%s [pic16 port]%s\"\n",
+ SDCC_VERSION_STR, getBuildNumber(), (!pic16_options.xinst?"":" {extended}") );
+ } // if
}
int
}
}
-void emitStatistics(FILE *asmFile)
+static void
+emitStatistics(FILE *asmFile)
{
unsigned long isize, udsize, ramsize;
statistics.isize = pic16_countInstructions();
}
/* turn GOTOs into BRAs -- added by RN 2004-11-16 */
- if(pic16_options.opt_flags & OF_OPTIMIZE_GOTO) {
+ if(!(pic16_options.opt_flags & OF_NO_OPTIMIZE_GOTO)) {
pic16_OptimizeJumps();
}