#include "ralloc.h"
#include "pcode.h"
#include "newalloc.h"
+#include "gen.h"
#include "device.h"
#include "main.h"
+#include <string.h>
+
+#include <string.h>
#ifdef WORDS_BIGENDIAN
#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;
extern char *iComments2;
//extern void emitStaticSeg (memmap * map);
+extern int initsfpnt;
+
+set *rel_idataSymSet=NULL;
+set *fix_idataSymSet=NULL;
+
extern DEFSETFUNC (closeTmpFiles);
extern DEFSETFUNC (rmTmpFiles);
extern void initialComments (FILE * afile);
extern void printPublics (FILE * afile);
-extern void printChar (FILE * ofile, char *s, int plen);
void pic16_pCodeInitRegisters(void);
pCodeOp *pic16_popGetLit(unsigned int lit);
pCodeOp *pic16_popGetLit2(unsigned int lit, pCodeOp *arg2);
pCodeOp *pic16_popCopyReg(pCodeOpReg *pc);
-pCodeOp *pic16_popCombine2(pCodeOpReg *src, pCodeOpReg *dst);
+extern void pic16_pCodeConstString(char *name, char *value);
/*-----------------------------------------------------------------*/
/* aopLiteral - string from a literal value */
}
+iCode *tic;
+symbol *nsym;
+char tbuffer[512], *tbuf=tbuffer;;
+
+
/*-----------------------------------------------------------------*/
/* emitRegularMap - emit code for maps with no special cases */
/*-----------------------------------------------------------------*/
pic16emitRegularMap (memmap * map, bool addPublics, bool arFlag)
{
symbol *sym;
- int i, size, bitvars = 0;;
+// int i, size, bitvars = 0;;
// fprintf(stderr, "%s:%d map name= %s\n", __FUNCTION__, __LINE__, map->sname);
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)) {
+
#if 0
- fprintf(stderr, "\t%s: sym: %s\tused: %d\n", map->sname, sym->name, sym->used);
+ 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), (SPEC_SCLS(sym->etype) == S_REGISTER), IS_FUNC(sym->type));
printTypeChain( sym->type, stderr );
- printf("\n");
+ fprintf(stderr, "\n");
#endif
+
/* if extern then add to externs */
if (IS_EXTERN (sym->etype)) {
-// if(sym->used) // fixme
- addSetHead(&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)) &&
- !sym->allocreq && sym->level)
-
+ !sym->allocreq && sym->level) {
+
+// fprintf(stderr, "%s:%d special case, continuing...\n", __FILE__, __LINE__);
+
continue;
+ }
/* if global variable & not static or extern
* and addPublics allowed then add it to the public set */
if ((sym->used) && (sym->level == 0 ||
(sym->_isparm && !IS_REGPARM (sym->etype))) &&
addPublics &&
- !IS_STATIC (sym->etype) && !IS_FUNC(sym->type))
-
- addSetHead (&publics, sym);
+ !IS_STATIC (sym->etype) && !IS_FUNC(sym->type)) {
+
+ checkAddSym(&publics, sym);
+ } else
+ if(IS_STATIC(sym->etype)
+ && !(sym->ival && !sym->level)
+ ) {
+ regs *reg;
+ /* add it to udata list */
+
+// fprintf(stderr, "%s:%d adding %s (%s) remat=%d\n", __FILE__, __LINE__,
+// sym->name, sym->rname, sym->remat);
+
+ //, OP_SYMBOL(operandFromSymbol(sym))->name);
+#define SET_IMPLICIT 1
+
+#if SET_IMPLICIT
+ if(IS_STRUCT(sym->type))
+ sym->implicit = 1;
+#endif
+
+ 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 extern then do nothing or is a function
* then do nothing */
if (IS_FUNC (sym->type) && !IS_STATIC(sym->etype)) {
if(SPEC_OCLS(sym->etype) == code) {
// fprintf(stderr, "%s:%d: symbol added: %s\n", __FILE__, __LINE__, sym->rname);
- addSetHead(&publics, sym);
+ checkAddSym(&publics, sym);
}
continue;
}
}
#endif
- /* FIXME -- VR
- * The equates are nice, but do not allow relocatable objects to
- * be created in the form that I (VR) want to make SDCC to work */
/* if is has an absolute address then generate
an equate for this no need to allocate space */
fprintf (map->oFile, "%s\tEQU\t0x%04x\n",
sym->rname,
SPEC_ADDR (sym->etype));
-#if 1
+
/* emit only if it is global */
if(sym->level == 0) {
regs *reg;
- operand *op;
-// fprintf(stderr, "%s: implicit add of symbol = %s\n", __FUNCTION__, sym->name);
- op = operandFromSymbol( sym );
- reg = pic16_allocDirReg( op );
- if(reg) {
- //continue;
- checkAddReg(&pic16_fix_udata, reg);
- /* and add to globals list */
- addSetHead(&publics, sym);
+
+ reg = pic16_dirregWithName( sym->name );
+ if(!reg) {
+ /* here */
+// fprintf(stderr, "%s:%d: implicit add of symbol = %s\n",
+// __FUNCTION__, __LINE__, sym->name);
+
+ /* if IS_STRUCT is omitted the following
+ * fixes structures but break char/int etc */
+#if SET_IMPLICIT
+ if(IS_STRUCT(sym->type))
+ sym->implicit = 1; // mark as implicit
+#endif
+ if(!sym->ival) {
+ reg = pic16_allocDirReg( operandFromSymbol(sym) );
+ if(reg) {
+ if(checkAddReg(&pic16_fix_udata, reg)) {
+ /* and add to globals list if not exist */
+ addSet(&publics, sym);
+ }
+ }
+ } else
+ addSet(&publics, sym);
}
}
-#endif
} else {
+ if(!sym->used && (sym->level == 0)) {
+ regs *reg;
+
+ /* symbol not used, just declared probably, but its in
+ * level 0, so we must declare it fine as global */
+
+// fprintf(stderr, "EXTRA symbol declaration sym= %s\n", sym->name);
+
+#if SET_IMPLICIT
+ if(IS_STRUCT(sym->type))
+ sym->implicit = 1; // mark as implicit
+#endif
+ if(!sym->ival) {
+ if(IS_AGGREGATE(sym->type)) {
+ reg=pic16_allocRegByName(sym->rname, getSize( sym->type ), NULL);
+ } else {
+ reg = pic16_allocDirReg( operandFromSymbol( sym ) );
+ }
+
+ {
+ sectSym *ssym;
+ int found=0;
+
+ fprintf(stderr, "%s:%d sym->rname: %s reg: %p reg->name: %s\n", __FILE__, __LINE__,
+ sym->rname, reg, (reg?reg->name:"<<NULL>>"));
+#if 1
+ for(ssym=setFirstItem(sectSyms); ssym; ssym=setNextItem(sectSyms)) {
+ if(!strcmp(ssym->name, reg->name))found=1;
+ }
+#endif
+
+ if(!found)
+ if(checkAddReg(&pic16_rel_udata, reg)) {
+ addSetHead(&publics, sym);
+ }
+
+ }
+
+
+
+ } else
+
+ addSetHead(&publics, sym);
+ }
+
+#if 0
/* 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 */
fprintf (map->oFile, "\t%s_%d\n", sym->rname, i);
}
}
-// fprintf (map->oFile, "\t.ds\t0x%04x\n", (unsigned int)getSize (sym->type) & 0xffff);
+ fprintf (map->oFile, "\t.ds\t0x%04x\n", (unsigned int)getSize (sym->type) & 0xffff);
+#endif
}
/* FIXME -- VR Fix the following, so that syms to be placed
/* if it has an initial value then do it only if
it is a global variable */
-#if 1
if (sym->ival && sym->level == 0) {
ast *ival = NULL;
-// if(SPEC_OCLS(sym->etype)==data) {
-// fprintf(stderr, "%s: sym %s placed in data\n", map->sname, sym->name);
-// }
+#if 0
+ if(SPEC_OCLS(sym->etype)==data) {
+ fprintf(stderr, "%s: sym %s placed in data segment\n", map->sname, sym->name);
+ }
-// fprintf(stderr, "'%s': sym '%s' has initial value\n", map->sname, sym->name);
+ if(SPEC_OCLS(sym->etype)==code) {
+ fprintf(stderr, "%s: sym %s placed in code segment\n", map->sname, sym->name);
+ }
+#endif
- 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 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))
+ addSet(&fix_idataSymSet, copySymbol(sym));
+ else
+ addSet(&rel_idataSymSet, copySymbol(sym));
+// ival = initAggregates (sym, sym->ival, NULL);
+ } else {
+ if(SPEC_ABSA(sym->etype))
+ addSet(&fix_idataSymSet, copySymbol(sym));
+ else
+ addSet(&rel_idataSymSet, copySymbol(sym));
+
+// ival = newNode ('=', newAst_VALUE(symbolVal (sym)),
+// decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_TYPE_NONE));
+ }
+
+ if(ival) {
+ setAstLineno(ival, sym->lineDef);
+ codeOutFile = statsg->oFile;
+ GcurMemmap = statsg;
+ eBBlockFromiCode (iCodeFromAst (ival));
+ sym->ival = NULL;
+ }
+ }
}
}
/*-----------------------------------------------------------------*/
-/* 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 = decorateType(resolveSymbols( list2expr (ilist) ), FALSE);
+// 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;
+
+}
+
+
+/*-----------------------------------------------------------------*/
+/* 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 itype,
+ const unsigned int type, char ptype, void *p)
+{
+ _pic16_printPointerType (iname, ptype, p);
+
+ if(itype == FPOINTER || itype == CPOINTER) { // || itype == GPOINTER) {
+ char buf[256];
+
+ sprintf(buf, "UPPER(%s)", iname);
+ pic16_emitDS(buf, ptype, p);
+ }
+
+ pic16_flushDB(ptype, p);
+}
+
+
+/* set to 0 to disable debug messages */
+#define DEBUG_PRINTIVAL 0
+
+/*-----------------------------------------------------------------*/
+/* 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__);
+// 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->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(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(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(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;
+ unsigned int remain;
- if(!pb)
+ if(!p)
return 0;
+#if DEBUG_PRINTIVAL
fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
+
if (!s)
{
if (!DCL_ELEM (type))
DCL_ELEM (type) = strlen (SPEC_CVAL (val->etype).v_char) + 1;
- //printChar (oFile, SPEC_CVAL (val->etype).v_char, DCL_ELEM (type));
- //fprintf(stderr, "%s omitting call to printChar\n",__FUNCTION__);
- 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)));
+ 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 {
- //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(s[remain], ptype, p);
}
- //fprintf(stderr,"\n");
}
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;
+
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
/* take care of the special case */
/* array of characters can be init */
/* by a string */
if (IS_CHAR (type->next)) {
- //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
if (!IS_LITERAL(list2val(ilist)->etype)) {
werror (W_INIT_WRONG);
return;
}
- if (printIvalChar (type,
+
+ 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);
}
/*-----------------------------------------------------------------*/
-/* printIval - generates code for initial value */
+/* pic16_printIvalBitFields - generate initializer for bitfields */
/*-----------------------------------------------------------------*/
-static void
-printIval (symbol * sym, sym_link * type, initList * ilist, pBlock *pb)
+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;
+
+
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
+
+
+ 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__);
+ assert(0);
+ }
+ *sym = lsym;
+ *ilist = lilist;
+}
+
+
+/*-----------------------------------------------------------------*/
+/* printIvalStruct - generates initial value for structures */
+/*-----------------------------------------------------------------*/
+void pic16_printIvalStruct (symbol * sym, sym_link * type,
+ initList * ilist, char ptype, void *p)
+{
+ symbol *sflds;
+ initList *iloop = NULL;
+
+
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
+
+ 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
+ */
+
+
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
+
+ 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 == 2)
+ {
+ pic16_printPointerType (val->name, ptype, p);
+ }
+ else if (size == 3)
+ {
+ 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, type, ptype, p);
+ }
+ else
+ {
+ fprintf (stderr, "*** internal error: unknown size in "
+ "printIvalCharPtr.\n");
+ assert(0);
+ }
+ }
+ else
+ {
+ // these are literals assigned to pointers
+ switch (size)
+ {
+ 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);
+ }
+ }
+
+ if (val->sym && val->sym->isstrlit) { // && !isinSet(statsg->syms, val->sym)) {
+ if(ptype == 'p' && !isinSet(statsg->syms, val->sym))addSet (&statsg->syms, val->sym);
+ else if(ptype == 'f' /*&& !isinSet(rel_idataSymSet, val->sym)*/)addSet(&rel_idataSymSet, val->sym);
+ }
+
+ return 1;
+}
+
+/*-----------------------------------------------------------------------*/
+/* pic16_printIvalFuncPtr - generate initial value for function pointers */
+/*-----------------------------------------------------------------------*/
+void pic16_printIvalFuncPtr (sym_link * type, initList * ilist, char ptype, void *p)
+{
+ value *val;
+ int dLvl = 0;
+
+
+#if DEBUG_PRINTIVAL
+ fprintf(stderr, "%s\n",__FUNCTION__);
+#endif
+
+ 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);
+
+ if(IS_FUNC(val->sym->type) && !val->sym->used) {
+
+ if(!checkSym(publics, val->sym))
+ checkAddSym(&externs, val->sym);
+
+ /* this has not been declared as extern
+ * so declare it as a 'late extern' just after the symbol */
+ if(ptype == 'f') {
+ fprintf((FILE *)p, "declare symbol as extern");
+ fprintf((FILE *)p, "\textern\t%s\n", val->sym->rname);
+ fprintf((FILE *)p, "continue variable declaration");
+ }
+ }
+ }
+
+ return;
+}
+
+
+/*-----------------------------------------------------------------*/
+/* pic16_printIvalPtr - generates initial value for pointers */
+/*-----------------------------------------------------------------*/
+void pic16_printIvalPtr (symbol * sym, sym_link * type, initList * ilist, char ptype, void *p)
{
- if (!ilist || !pb)
+ value *val;
+ int size;
+
+#if 0
+ fprintf(stderr, "%s:%d initialising pointer: %s size: %d\n", __FILE__, __LINE__,
+ sym->rname, getSize(sym->type));
+#endif
+
+ /* 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 structure then */
- if (IS_STRUCT (type))
+ /* 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))
{
- //fprintf(stderr,"%s struct\n",__FUNCTION__);
- //printIvalStruct (sym, type, ilist, oFile);
+ switch (getSize (type))
+ {
+ case 1:
+ pic16_emitDB((unsigned int)floatFromVal(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);
+ default:
+ assert(0);
+ }
return;
}
- /* if this is a pointer */
- if (IS_PTR (type))
+
+ size = getSize (type);
+
+ if (size == 1) /* Z80 specific?? */
+ {
+ pic16_emitDS(val->name, ptype, p);
+ }
+ else if (size == 2)
+ {
+ pic16_printPointerType (val->name, ptype, p);
+ }
+ else if (size == 3)
{
- //fprintf(stderr,"%s pointer\n",__FUNCTION__);
- //printIvalPtr (sym, type, ilist, oFile);
+ 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);
+ } else
+ assert(0);
+ 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;
+
+#if 0
+ fprintf(stderr, "%s:%d generating init for %s\n", __FILE__, __LINE__, sym->name);
+ fprintf(stderr, "%s: IS_STRUCT: %d IS_ARRAY: %d IS_PTR: %d IS_SPEC: %d\n", sym->name,
+ IS_STRUCT(type), IS_ARRAY(type), IS_PTR(type), IS_SPEC(type));
+#endif
+
+ /* if structure then */
+ if (IS_STRUCT (type))
+ {
+// fprintf(stderr,"%s struct\n",__FUNCTION__);
+ pic16_printIvalStruct (sym, type, ilist, ptype, p);
return;
}
- /* if this is an array */
+ /* if this is an array */
if (IS_ARRAY (type))
{
- //fprintf(stderr,"%s array\n",__FUNCTION__);
- printIvalArray (sym, type, ilist, pb);
+// fprintf(stderr,"%s array\n",__FUNCTION__);
+ pic16_printIvalArray (sym, type, ilist, ptype, p);
+ return;
+ }
+
+#if 0
+ if (ilist)
+ {
+ // 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 0
+ // 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;
}
}
-extern void pic16_pCodeConstString(char *name, char *value);
+int PIC16_IS_CONFIG_ADDRESS(int address)
+{
+ return ((address >= pic16->cwInfo.confAddrStart && address <= pic16->cwInfo.confAddrEnd));
+}
+
+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 */
/*-----------------------------------------------------------------*/
pic16emitStaticSeg (memmap * map)
{
symbol *sym;
-
- fprintf (map->oFile, ";\t.area\t%s\n", map->sname);
+ static int didcode=0;
//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 1
- fprintf(stderr, "\t%s: sym: %s\tused: %d\n", map->sname, sym->name, sym->used);
+#if 0
+ fprintf(stderr, "%s\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", __FUNCTION__,
+ 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 );
- printf("\n");
+ fprintf(stderr, "\n");
#endif
+ if(SPEC_ABSA(sym->etype) && PIC16_IS_CONFIG_ADDRESS(SPEC_ADDR(sym->etype))) {
+ pic16_assignConfigWordValue(SPEC_ADDR(sym->etype),
+ (int) floatFromVal(list2val(sym->ival)));
- /* if it is "extern" then do nothing */
- if (IS_EXTERN (sym->etype))
- continue;
+ continue;
+ }
- /* if it is not static add it to the public
- table */
- if (!IS_STATIC (sym->etype))
- addSetHead (&publics, sym);
+ if(SPEC_ABSA(sym->etype) && PIC16_IS_IDLOC_ADDRESS(SPEC_ADDR(sym->etype))) {
+ pic16_assignIdByteValue(SPEC_ADDR(sym->etype),
+ (char) floatFromVal(list2val(sym->ival)));
+
+ continue;
+ }
+
+ /* if it is "extern" then do nothing */
+ if (IS_EXTERN (sym->etype) && !SPEC_ABSA(sym->etype)) {
+ checkAddSym(&externs, sym);
+ continue;
+ }
+
+ /* if it is not static add it to the public
+ table */
+ if (!IS_STATIC (sym->etype)) {
+ /* do not emit if it is a config word declaration */
+ checkAddSym(&publics, sym);
+ }
-#if 0
/* print extra debug info if required */
- if (options.debug || sym->level == 0)
- {
+ if (options.debug || sym->level == 0) {
/* NOTE to me - cdbFile may be null in which case,
* the sym name will be printed to stdout. oh well */
- if(cdbFile)
- cdbSymbol (sym, cdbFile, FALSE, FALSE);
+ debugFile->writeSymbol(sym);
+ }
+
+ /* if it has an absolute address */
+ if (SPEC_ABSA (sym->etype)) {
+// fprintf(stderr, "%s:%d spec_absa is true for symbol: %s\n",
+// __FILE__, __LINE__, sym->name);
+
+ /* if it has an initial value */
+ if (sym->ival)
+ {
+ pBlock *pb;
+ symbol *asym;
+ absSym *abSym;
+ pCode *pcf;
+
+ /* symbol has absolute address and initial value */
+ noAlloc++;
+ resolveIvalSym (sym->ival, sym->type);
+ asym = newSymbol(sym->rname, 0);
+ abSym = Safe_calloc(1, sizeof(absSym));
+ abSym->name = Safe_strdup( sym->rname );
+ abSym->address = SPEC_ADDR( sym->etype );
+ addSet(&absSymSet, abSym);
+
+ pb = pic16_newpCodeChain(NULL, 'A',pic16_newpCodeCharP("; Starting pCode block for absolute Ival"));
+ pic16_addpBlock(pb);
- if (!sym->level)
- { /* global */
- if (IS_STATIC (sym->etype))
- fprintf (code->oFile, "F%s_", moduleName); /* scope is file */
- else
- fprintf (code->oFile, "G_"); /* scope is global */
+ pcf = pic16_newpCodeFunction(moduleName, asym->name);
+ PCF(pcf)->absblock = 1;
+
+ pic16_addpCode2pBlock(pb,pcf);
+ pic16_addpCode2pBlock(pb,pic16_newpCodeLabel(sym->rname,-1));
+// fprintf(stderr, "%s:%d [1] generating init for label: %s\n", __FILE__, __LINE__, sym->rname);
+ pic16_printIval(sym, sym->type, sym->ival, 'p', (void *)pb);
+ pic16_flushDB('p', (void *)pb);
+
+ pic16_addpCode2pBlock(pb, pic16_newpCodeFunction(NULL, NULL));
+ noAlloc--;
}
else
- /* symbol is local */
- fprintf (code->oFile, "L%s_",
- (sym->localof ? sym->localof->name : "-null-"));
- fprintf (code->oFile, "%s_%d_%d", sym->name, sym->level, sym->block);
+ {
- }
-#endif
+ /* symbol has absolute address but no initial value */
+
+ /* allocate space */
+ fprintf (code->oFile, "%s:\n", sym->rname);
- /* if it has an absolute address */
- if (SPEC_ABSA (sym->etype))
- {
- if (options.debug || sym->level == 0)
- fprintf (code->oFile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
+ /* special case for character strings */
+ if (IS_ARRAY (sym->type) && IS_CHAR (sym->type->next) &&
+ SPEC_CVAL (sym->etype).v_char) {
- fprintf (code->oFile, "%s\t=\t0x%04x\n",
- sym->rname,
- SPEC_ADDR (sym->etype));
- }
- else
- {
- if (options.debug || sym->level == 0)
- fprintf (code->oFile, " == .\n");
+// fprintf(stderr, "%s:%d printing code string from %s\n", __FILE__, __LINE__, sym->rname);
+ pic16_pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char);
+ } else {
+ assert(0);
+ }
+ }
+
+ } else {
+// 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)
- {
+ if (sym->ival) {
pBlock *pb;
+ /* symbol doesn't have absolute address but has initial value */
fprintf (code->oFile, "%s:\n", sym->rname);
noAlloc++;
- resolveIvalSym (sym->ival);
- //printIval (sym, sym->type, sym->ival, code->oFile);
+ resolveIvalSym (sym->ival, sym->type);
+
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);
+ 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));
+ pic16_printIval(sym, sym->type, sym->ival, 'p', (void *)pb);
+ pic16_flushDB('p', (void *)pb);
noAlloc--;
- }
- else
- {
+ } else {
+ /* symbol doesn't have absolute address and no initial value */
/* allocate space */
+// fprintf(stderr, "%s:%d [3] generating init for label: %s\n", __FILE__, __LINE__, sym->rname);
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)
+ SPEC_CVAL (sym->etype).v_char) {
+
+// fprintf(stderr, "%s:%d printing code string from %s\n", __FILE__, __LINE__, sym->rname);
+
pic16_pCodeConstString(sym->rname , SPEC_CVAL (sym->etype).v_char);
- /*printChar (code->oFile,
- SPEC_CVAL (sym->etype).v_char,
- strlen (SPEC_CVAL (sym->etype).v_char) + 1);*/
- else
- fprintf (code->oFile, "\t.ds\t0x%04x\n", (unsigned int) getSize (sym->type) & 0xffff);
+ } else {
+ assert(0);
+ }
}
}
}
/*-----------------------------------------------------------------*/
-/* emitMaps - emits the code for the data portion the code */
+/* pic16_emitConfigRegs - emits the configuration registers */
/*-----------------------------------------------------------------*/
+void pic16_emitConfigRegs(FILE *of)
+{
+ int i;
+
+ for(i=0;i<pic16->cwInfo.confAddrEnd-pic16->cwInfo.confAddrStart;i++)
+ if(pic16->cwInfo.crInfo[i].emit) //mask != -1)
+ fprintf (of, "\t__config 0x%x, 0x%hhx\n",
+ pic16->cwInfo.confAddrStart+i,
+ pic16->cwInfo.crInfo[i].value);
+}
+
+void pic16_emitIDRegs(FILE *of)
+{
+ int i;
+
+ for(i=0;i<pic16->idInfo.idAddrEnd-pic16->idInfo.idAddrStart;i++)
+ if(pic16->idInfo.irInfo[i].emit)
+ fprintf (of, "\t__idlocs 0x%06x, 0x%hhx\n",
+ pic16->idInfo.idAddrStart+i,
+ pic16->idInfo.irInfo[i].value);
+}
+
+
static void
pic16emitMaps ()
{
if((!pic16_options.omit_ivt) || (pic16_options.omit_ivt && pic16_options.leave_reset)) {
fprintf (vFile, ";\t.area\t%s\n", CODE_NAME);
- fprintf(vFile, ".intvecs\tcode\t0x0000\n");
- fprintf (vFile, "__interrupt_vect:\n");
+ fprintf(vFile, ".intvecs\tcode\t0x%06x\n", pic16_options.ivt_loc);
/* this is an overkill since WE are the port,
* and we know if we have a genIVT function! */
/*-----------------------------------------------------------------*/
-/* initialComments - puts in some initial comments */
+/* pic16initialComments - puts in some initial comments */
/*-----------------------------------------------------------------*/
static void
pic16initialComments (FILE * afile)
{
- initialComments (afile);
- fprintf (afile, "; PIC port for the 16-bit core\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);
}
/*-----------------------------------------------------------------*/
{
symbol *sym;
- fprintf (afile, "%s", iComments2);
+ fprintf (afile, "\n%s", iComments2);
fprintf (afile, "; public variables in this module\n");
fprintf (afile, "%s", iComments2);
{
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 global variable & not static or extern
and addPublics allowed then add it to the public set */
if ((sym->_isparm && !IS_REGPARM (sym->etype))
- && !IS_STATIC (sym->etype))
- addSetHead (&publics, sym);
+ && !IS_STATIC (sym->etype)) {
+// fprintf(stderr, "%s:%d %s accessed\n", __FILE__, __LINE__, __FUNCTION__);
+ checkAddSym(&publics, sym);
+// addSetHead (&publics, sym);
+ }
/* if extern then do nothing or is a function
then do nothing */
addSetHead(&tmpfileSet,ovrFile);
pic16_pCodeInitRegisters();
- if (mainf && IFFUNC_HASBODY(mainf->type)) {
+
+ if (pic16_options.no_crt && mainf && IFFUNC_HASBODY(mainf->type)) {
pBlock *pb = pic16_newpCodeChain(NULL,'X',pic16_newpCodeCharP("; Starting pCode block"));
pic16_addpBlock(pb);
/* entry point @ start of CSEG */
- pic16_addpCode2pBlock(pb,pic16_newpCodeLabel("__sdcc_program_startup\t;VR1",-1));
+ pic16_addpCode2pBlock(pb,pic16_newpCodeLabel("__sdcc_program_startup",-1));
- if(USE_STACK) {
-#if 0
+ if(initsfpnt) {
pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
- pic16_popGetLit2(1, pic16_popGetLit(stackPos))));
- pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
- pic16_popGetLit2(2, pic16_popGetLit(stackPos))));
-#else
+ pic16_popGetLit2(1, pic16_newpCodeOpRegFromStr("_stack_end"))));
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"))));
-#endif
+ pic16_popGetLit2(2, pic16_newpCodeOpRegFromStr("_stack_end"))));
}
/* put in the call to main */
pic16emitOverlay(ovrFile);
pic16_AnalyzepCode('*');
-#if 0
- {
+#if 1
+ if(pic16_options.dumpcalltree) {
FILE *cFile;
sprintf(buffer, dstFileName);
strcat(buffer, ".calltree");
/* initial comments */
pic16initialComments (asmFile);
-
+
/* print module name */
- fprintf (asmFile, ";\t.module %s\n", moduleName);
-
+ fprintf(asmFile, "#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);
-
+
/* print the global variables in this module */
pic16printPublics (asmFile);
fprintf (asmFile, "%s", iComments2);
copyFile (asmFile, sfr->oFile);
#endif
-
/* Put all variables into a cblock */
pic16_AnalyzeBanking();
pic16_writeUsedRegs(asmFile);
- /* create the overlay segments */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; overlayable items in internal ram \n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, ovrFile);
-
- /* create the stack segment MOF */
- if (mainf && IFFUNC_HASBODY(mainf->type)) {
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; Stack segment in internal ram \n");
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, ";\t.area\tSSEG\t(DATA)\n"
- ";__start__stack:\n;\t.ds\t1\n\n");
- }
-
-#if 0
- /* no indirect data in pic */
- /* create the idata segment */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; indirectly addressable internal ram data\n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, idata->oFile);
-#endif
-
-
#if 0
/* no xdata in pic */
/* if external stack then reserve space of it */
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);
-
+#endif
/* copy the interrupt vector table */
if(mainf && IFFUNC_HASBODY(mainf->type)) {
- fprintf (asmFile, "%s", iComments2);
+ 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, "\n%s", iComments2);
fprintf (asmFile, "; global & static initialisations\n");
fprintf (asmFile, "%s", iComments2);
-#if 0
- /* FIXME 8051 Legacy -- VR */
- /* 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);
-#endif
-
-#if 0
- /* copy over code */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "\tcode\n");
- fprintf (asmFile, "%s", iComments2);
-#endif
-
- fprintf(asmFile, "; A code from now on!\n");
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; A code from now on!\n");
pic16_copypCode(asmFile, 'A');
- if(mainf && IFFUNC_HASBODY(mainf->type)) {
- fprintf (asmFile,"__sdcc_gsinit_startup:\t\t;VRokas\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);
+ if(pic16_options.no_crt) {
+ if(mainf && IFFUNC_HASBODY(mainf->type)) {
+ fprintf(asmFile, "\tcode\n");
+ fprintf(asmFile,"__sdcc_gsinit_startup:\n");
}
-#endif
}
// copyFile (stderr, code->oFile);
fprintf(asmFile, "; I code from now on!\n");
pic16_copypCode(asmFile, 'I');
-// if(pic16_debug_verbose)
+ 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\t;VR2\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)
+ if(pic16_debug_verbose)
fprintf(asmFile, "; X code from now on!\n");
pic16_copypCode(asmFile, 'X');
-// if(pic16_debug_verbose)
+ if(pic16_debug_verbose)
fprintf(asmFile, "; M code from now on!\n");
pic16_copypCode(asmFile, 'M');
projects / fw / sdcc / blobdiff