/*-------------------------------------------------------------------------
- SDCCglue.c - glues everything we have done together into one file.
+ glue.c - glues everything we have done together into one file.
Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
This program is free software; you can redistribute it and/or modify it
#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
static void printIval (symbol * sym, sym_link * type, initList * ilist, pBlock *pb);
extern int noAlloc;
extern set *publics;
+extern set *externs;
extern unsigned maxInterrupts;
extern int maxRegBank;
extern symbol *mainf;
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);
+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;;
- if (addPublics)
- fprintf (map->oFile, ";\t.area\t%s\n", map->sname);
+// 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 */
- /* print the area name */
- for (sym = setFirstItem (map->syms); sym;
- sym = setNextItem (map->syms))
- {
+ for (sym = setFirstItem (map->syms); sym; sym = setNextItem (map->syms)) {
- /* if extern then do nothing */
- if (IS_EXTERN (sym->etype))
- continue;
-
- /* if allocation required check is needed
- then check if the symbol really requires
- allocation only for local variables */
- if (arFlag && !IS_AGGREGATE (sym->type) &&
- !(sym->_isparm && !IS_REGPARM (sym->etype)) &&
- !sym->allocreq && sym->level)
- continue;
-
- /* if global variable & not static or extern
- and addPublics allowed then add it to the public set */
- if ((sym->level == 0 ||
- (sym->_isparm && !IS_REGPARM (sym->etype))) &&
- addPublics &&
- !IS_STATIC (sym->etype))
- addSetHead (&publics, sym);
-
- /* if extern then do nothing or is a function
- then do nothing */
- if (IS_FUNC (sym->type))
- continue;
#if 0
- /* print extra debug info if required */
- if (options.debug || sym->level == 0)
- {
+ fprintf(stderr, "\t%s: sym: %s\tused: %d\textern: %d\tstatic: %d\n",
+ map->sname, sym->name, sym->used, IS_EXTERN(sym->etype), IS_STATIC(sym->etype));
+ printTypeChain( sym->type, stderr );
+ fprintf(stderr, "\n");
+#endif
- cdbSymbol (sym, cdbFile, FALSE, FALSE);
+// if(PIC16_IS_CONFIG_ADDRESS(SPEC_ADDR(sym->etype)))
+// continue;
- if (!sym->level) /* global */
- if (IS_STATIC (sym->etype))
- fprintf (map->oFile, "F%s_", moduleName); /* scope is file */
- else
- fprintf (map->oFile, "G_"); /* scope is global */
- else
- /* symbol is local */
- fprintf (map->oFile, "L%s_", (sym->localof ? sym->localof->name : "-null-"));
- fprintf (map->oFile, "%s_%d_%d", sym->name, sym->level, sym->block);
- }
+
+ /* if extern then add to externs */
+ if (IS_EXTERN (sym->etype)) {
+ checkAddSym(&externs, sym);
+ continue;
+ }
+
+ /* if allocation required check is needed
+ * then check if the symbol really requires
+ * allocation only for local variables */
+ if (arFlag && !IS_AGGREGATE (sym->type) &&
+ !(sym->_isparm && !IS_REGPARM (sym->etype)) &&
+ !sym->allocreq && sym->level) {
+
+// 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)) {
+
+ checkAddSym(&publics, sym);
+// addSetHead(&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
- /* if is has an absolute address then generate
- an equate for this no need to allocate space */
- if (SPEC_ABSA (sym->etype))
- {
- //if (options.debug || sym->level == 0)
- //fprintf (map->oFile,"; == 0x%04x\n",SPEC_ADDR (sym->etype));
+ reg = pic16_allocDirReg( operandFromSymbol( sym ));
+ 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);
+ checkAddSym(&publics, sym);
+ }
+ continue;
+ }
- fprintf (map->oFile, "%s\tEQU\t0x%04x\n",
- sym->rname,
- SPEC_ADDR (sym->etype));
- }
- else
- {
- /* allocate space */
+#if 0
+ /* print extra debug info if required */
+ if (options.debug || sym->level == 0) {
+ cdbWriteSymbol (sym); //, cdbFile, FALSE, FALSE);
+
+ if (!sym->level) /* global */
+ if (IS_STATIC (sym->etype))
+ fprintf (map->oFile, "F%s_", moduleName); /* scope is file */
+ else
+ fprintf (map->oFile, "G_"); /* scope is global */
+ else
+ /* symbol is local */
+ fprintf (map->oFile, "L%s_", (sym->localof ? sym->localof->name : "-null-"));
+ fprintf (map->oFile, "%s_%d_%d", sym->name, sym->level, sym->block);
+ }
+#endif
- /* If this is a bit variable, then allocate storage after 8 bits have been declared */
- /* unlike the 8051, the pic does not have a separate bit area. So we emulate bit ram */
- /* by grouping the bits together into groups of 8 and storing them in the normal ram. */
- if (IS_BITVAR (sym->etype))
- {
- bitvars++;
- }
- else
- {
- fprintf (map->oFile, "\t%s\n", sym->rname);
- if ((size = (unsigned int) getSize (sym->type) & 0xffff) > 1)
- {
- for (i = 1; i < size; i++)
- fprintf (map->oFile, "\t%s_%d\n", sym->rname, i);
+
+ /* if is has an absolute address then generate
+ an equate for this no need to allocate space */
+ if (SPEC_ABSA (sym->etype)) {
+// if (options.debug || sym->level == 0)
+// fprintf (stderr,"; %s == 0x%04x\t\treqv= %p nRegs= %d\n",
+// sym->name, SPEC_ADDR (sym->etype), sym->reqv, sym->regType);
+
+ fprintf (map->oFile, "%s\tEQU\t0x%04x\n",
+ sym->rname,
+ SPEC_ADDR (sym->etype));
+
+ /* emit only if it is global */
+ if(sym->level == 0) {
+ regs *reg;
+
+ 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);
+ }
+ }
+ } 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) {
+ reg = pic16_allocDirReg( operandFromSymbol( sym ) );
+ 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 */
+ /* by grouping the bits together into groups of 8 and storing them in the normal ram. */
+ if (IS_BITVAR (sym->etype)) {
+ bitvars++;
+ } else {
+ fprintf (map->oFile, "\t%s\n", sym->rname);
+ if ((size = (unsigned int) getSize (sym->type) & 0xffff) > 1) {
+ for (i = 1; i < size; i++)
+ fprintf (map->oFile, "\t%s_%d\n", sym->rname, i);
+ }
+ }
+ fprintf (map->oFile, "\t.ds\t0x%04x\n", (unsigned int)getSize (sym->type) & 0xffff);
+#endif
}
- }
- //fprintf (map->oFile, "\t.ds\t0x%04x\n", (unsigned int)getSize (sym->type) & 0xffff);
- }
- /* if it has a initial value then do it only if
- it is a global variable */
- if (sym->ival && sym->level == 0) {
- ast *ival = NULL;
-
- if (IS_AGGREGATE (sym->type))
- ival = initAggregates (sym, sym->ival, NULL);
- else
- ival = newNode ('=', newAst_VALUE(symbolVal (sym)),
- decorateType (resolveSymbols (list2expr (sym->ival))));
- codeOutFile = statsg->oFile;
- GcurMemmap = statsg;
- eBBlockFromiCode (iCodeFromAst (ival));
- sym->ival = NULL;
+ /* FIXME -- VR Fix the following, so that syms to be placed
+ * in the idata section and let linker decide about their fate */
+
+ /* if it has an initial value then do it only if
+ it is a global variable */
+
+ if (sym->ival && sym->level == 0) {
+ ast *ival = NULL;
+
+#if 0
+ if(SPEC_OCLS(sym->etype)==data) {
+ fprintf(stderr, "%s: sym %s placed in data segment\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
+
+// fprintf(stderr, "'%s': sym '%s' has initial value\n", map->sname, sym->name);
+
+ 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_CHECK));
+ }
+
+ if(ival) {
+ setAstLineno(ival, sym->lineDef);
+ codeOutFile = statsg->oFile;
+ GcurMemmap = statsg;
+ eBBlockFromiCode (iCodeFromAst (ival));
+ sym->ival = NULL;
+ }
+ }
}
- }
}
switch (getSize (type)) {
case 1:
- 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,0))));
+ pic16_emitDB(pb, BYTE_IN_LONG(ulval,0));
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_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));
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_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));
break;
}
}
if(!pb)
return 0;
- fprintf(stderr, "%s\n",__FUNCTION__);
+ // fprintf(stderr, "%s\n",__FUNCTION__);
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"));
+ for(remain=0; remain<DCL_ELEM(type); remain++)
+ pic16_emitDB(pb, SPEC_CVAL(val->etype).v_char[ remain ]);
+
+// 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)));
+ {
+ while (remain--)
+ {
+ //tfprintf (oFile, "\t!db !constbyte\n", 0);
+ // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(0)));
+ pic16_emitDB(pb,0);
+ }
+ }
return 1;
}
else
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]);
- }
+ 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");
}
return 1;
if(!pb)
return;
+
/* 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__);
+ 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,
(ilist->type == INIT_DEEP ? ilist->init.deep : ilist),
pb, SPEC_CVAL (sym->etype).v_char))
return;
}
+
+
/*-----------------------------------------------------------------*/
/* printIval - generates code for initial value */
/*-----------------------------------------------------------------*/
if (!ilist || !pb)
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();
return;
}
{
//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();
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);
+}
+
/*-----------------------------------------------------------------*/
/* emitStaticSeg - emitcode for the static segment */
/*-----------------------------------------------------------------*/
for (sym = setFirstItem (map->syms); sym;
sym = setNextItem (map->syms))
{
- /* if it is "extern" then do nothing */
- if (IS_EXTERN (sym->etype))
- continue;
- /* if it is not static add it to the public
- table */
- if (!IS_STATIC (sym->etype))
- addSetHead (&publics, sym);
+#if 0
+ fprintf(stderr, "\t%s: sym: %s\tused: %d\n", map->sname, sym->name, sym->used);
+ printTypeChain( sym->type, stderr );
+ fprintf(stderr, "\n");
+#endif
+
+ if(SPEC_ABSA(sym->etype)
+ && (SPEC_ABSA(sym->etype) && PIC16_IS_CONFIG_ADDRESS(SPEC_ADDR(sym->etype)))) {
+
+ pic16_assignConfigWordValue(SPEC_ADDR (sym->etype),
+ (int) floatFromVal(list2val( sym->ival )));
+
+ continue;
+ }
+
+ /* if it is "extern" then do nothing */
+ if (IS_EXTERN (sym->etype)) {
+
+ /* do not emit if it is a config word declaration */
+ if(!SPEC_ABSA(sym->etype)
+ || (SPEC_ABSA(sym->etype) && !PIC16_IS_CONFIG_ADDRESS(SPEC_ADDR(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 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 (options.debug || sym->level == 0)
fprintf (code->oFile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
fprintf (code->oFile, "%s\t=\t0x%04x\n",
sym->rname,
SPEC_ADDR (sym->etype));
- }
- else
- {
+
+ /* if it has an initial value */
+ if (sym->ival)
+ {
+ pBlock *pb;
+ symbol *asym;
+ absSym *abSym;
+ pCode *pcf;
+
+ 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);
+
+ pcf = pic16_newpCodeFunction(moduleName, asym->name);
+ PCF(pcf)->absblock = 1;
+
+ pic16_addpCode2pBlock(pb,pcf);
+ pic16_addpCode2pBlock(pb,pic16_newpCodeLabel(sym->rname,-1));
+ printIval (sym, sym->type, sym->ival, pb);
+ pic16_flushDB(pb);
+
+ pic16_addpCode2pBlock(pb, pic16_newpCodeFunction(NULL, NULL));
+ noAlloc--;
+ }
+ else
+ {
+
+ /* allocate space */
+ fprintf (code->oFile, "%s:\n", sym->rname);
+ /* special case for character strings */
+ if (IS_ARRAY (sym->type) && IS_CHAR (sym->type->next) &&
+ SPEC_CVAL (sym->etype).v_char)
+ 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 {
+// fprintf(stderr, "%s:%d spec_absa is false for symbol: %s\n",
+// __FILE__, __LINE__, sym->name);
+
if (options.debug || sym->level == 0)
fprintf (code->oFile, " == .\n");
fprintf (code->oFile, "%s:\n", sym->rname);
noAlloc++;
- resolveIvalSym (sym->ival);
+ 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);
noAlloc--;
}
else
/*-----------------------------------------------------------------*/
-/* 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);
+}
+
+
static void
pic16emitMaps ()
{
static void
pic16createInterruptVect (FILE * vFile)
{
- unsigned i = 0;
- mainf = newSymbol ("main", 0);
- mainf->block = 0;
-
- /* only if the main function exists */
- if (!(mainf = findSymWithLevel (SymbolTab, mainf)))
- {
- if (!options.cc_only)
- werror (E_NO_MAIN);
- return;
- }
-
- /* if the main is only a prototype ie. no body then do nothing */
- if (!IFFUNC_HASBODY(mainf->type))
- {
- /* if ! compile only then main function should be present */
- if (!options.cc_only)
- werror (E_NO_MAIN);
- return;
- }
-
- fprintf (vFile, ";\t.area\t%s\n", CODE_NAME);
- fprintf (vFile, ";__interrupt_vect:\n");
-
-
- if (!port->genIVT || !(port->genIVT (vFile, interrupts, maxInterrupts)))
- {
- /* "generic" interrupt table header (if port doesn't specify one).
-
- * Look suspiciously like 8051 code to me...
- */
-
- fprintf (vFile, ";\tljmp\t__sdcc_gsinit_startup\n");
+ /* if the main is only a prototype ie. no body then do nothing */
+#if 0
+ if (!IFFUNC_HASBODY(mainf->type)) {
+ /* if ! compile only then main function should be present */
+ if (!options.cc_only)
+ werror (E_NO_MAIN);
+ return;
+ }
+#endif
+ 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");
- /* now for the other interrupts */
- for (; i < maxInterrupts; i++)
- {
- if (interrupts[i])
- fprintf (vFile, ";\tljmp\t%s\n;\t.ds\t5\n", interrupts[i]->rname);
- else
- fprintf (vFile, ";\treti\n;\t.ds\t7\n");
+ /* this is an overkill since WE are the port,
+ * and we know if we have a genIVT function! */
+ if(port->genIVT) {
+ port->genIVT(vFile, interrupts, maxInterrupts);
+ }
}
- }
+
}
/*-----------------------------------------------------------------*/
-/* 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, "; PIC16 port for the Microchip 16-bit core micros\n");
fprintf (afile, iComments2);
}
/*-----------------------------------------------------------------*/
-/* printPublics - generates .global for publics */
+/* printPublics - generates global declarations for publics */
/*-----------------------------------------------------------------*/
static void
-pic16printPublics (FILE * afile)
+pic16printPublics (FILE *afile)
{
symbol *sym;
- fprintf (afile, "%s", iComments2);
- fprintf (afile, "; publics variables in this module\n");
- fprintf (afile, "%s", iComments2);
+ fprintf (afile, "%s", iComments2);
+ fprintf (afile, "; public variables in this module\n");
+ fprintf (afile, "%s", iComments2);
- for (sym = setFirstItem (publics); sym;
- sym = setNextItem (publics))
- fprintf (afile, ";\t.globl %s\n", sym->rname);
+ for(sym = setFirstItem (publics); sym; sym = setNextItem (publics))
+ fprintf(afile, "\tglobal %s\n", sym->rname);
}
+/*-----------------------------------------------------------------*/
+/* printExterns - generates extern declarations for externs */
+/*-----------------------------------------------------------------*/
+static void
+pic16_printExterns(FILE *afile)
+{
+ symbol *sym;
+
+ fprintf(afile, "%s", iComments2);
+ fprintf(afile, "; extern variables in this module\n");
+ fprintf(afile, "%s", iComments2);
+
+ for(sym = setFirstItem(externs); sym; sym = setNextItem(externs))
+ fprintf(afile, "\textern %s\n", sym->rname);
+ for(sym = setFirstItem(pic16_builtin_functions); sym; sym = setNextItem(pic16_builtin_functions))
+ fprintf(afile, "\textern _%s\n", sym->name);
+}
/*-----------------------------------------------------------------*/
/* emitOverlay - will emit code for the overlay stuff */
/* 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)) {
+ checkAddSym(&publics, sym);
+// addSetHead (&publics, sym);
+ }
/* if extern then do nothing or is a function
then do nothing */
FILE *asmFile;
FILE *ovrFile = tempfile();
- addSetHead(&tmpfileSet,ovrFile);
- pic16_pCodeInitRegisters();
- if (mainf && IFFUNC_HASBODY(mainf->type)) {
+ mainf = newSymbol ("main", 0);
+ mainf->block = 0;
- pBlock *pb = pic16_newpCodeChain(NULL,'X',pic16_newpCodeCharP("; Starting pCode block"));
- pic16_addpBlock(pb);
+ mainf = findSymWithLevel(SymbolTab, mainf);
+#if 0
+ /* only if the main function exists */
+ if (!(mainf = findSymWithLevel (SymbolTab, mainf))) {
+ if (!options.cc_only)
+ werror (E_NO_MAIN);
+ return;
+ }
+#endif
- /* entry point @ start of CSEG */
- pic16_addpCode2pBlock(pb,pic16_newpCodeLabel("__sdcc_program_startup",-1));
- /* put in the call to main */
- pic16_addpCode2pBlock(pb,pic16_newpCode(POC_CALL,pic16_newpCodeOp("_main",PO_STR)));
+// fprintf(stderr, "main function= %p (%s)\thas body= %d\n", mainf, (mainf?mainf->name:NULL), mainf?IFFUNC_HASBODY(mainf->type):-1);
- if (options.mainreturn) {
+ addSetHead(&tmpfileSet,ovrFile);
+ pic16_pCodeInitRegisters();
- pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will return to caller\n"));
- pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETURN,NULL));
+ if (mainf && IFFUNC_HASBODY(mainf->type)) {
+ pBlock *pb = pic16_newpCodeChain(NULL,'X',pic16_newpCodeCharP("; Starting pCode block"));
- } else {
+ pic16_addpBlock(pb);
- pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will lock up\n"));
- pic16_addpCode2pBlock(pb,pic16_newpCode(POC_GOTO,pic16_newpCodeOp("$",PO_STR)));
+ /* entry point @ start of CSEG */
+ pic16_addpCode2pBlock(pb,pic16_newpCodeLabel("__sdcc_program_startup",-1));
- }
- }
+ if(initsfpnt) {
+ pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
+ pic16_popGetLit2(1, pic16_newpCodeOpRegFromStr("stack"))));
+ pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
+ pic16_popGetLit2(2, pic16_newpCodeOpRegFromStr("stack"))));
+ }
+ /* put in the call to main */
+ pic16_addpCode2pBlock(pb,pic16_newpCode(POC_CALL,pic16_newpCodeOp("_main",PO_STR)));
- /* At this point we've got all the code in the form of pCode structures */
- /* Now it needs to be rearranged into the order it should be placed in the */
- /* code space */
+ if (options.mainreturn) {
+ pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will return to caller\n"));
+ pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETURN,NULL));
+ } else {
+ pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will lock up\n"));
+ pic16_addpCode2pBlock(pb,pic16_newpCode(POC_GOTO,pic16_newpCodeOp("$",PO_STR)));
+ }
+ }
- pic16_movepBlock2Head('P'); // Last
- pic16_movepBlock2Head(code->dbName);
- pic16_movepBlock2Head('X');
- pic16_movepBlock2Head(statsg->dbName); // First
+ /* At this point we've got all the code in the form of pCode structures */
+ /* Now it needs to be rearranged into the order it should be placed in the */
+ /* code space */
+ pic16_movepBlock2Head('P'); // Last
+ pic16_movepBlock2Head(code->dbName);
+ pic16_movepBlock2Head('X');
+ pic16_movepBlock2Head(statsg->dbName); // First
- /* print the global struct definitions */
- if (options.debug)
- cdbStructBlock (0); //,cdbFile);
+ /* print the global struct definitions */
+// if (options.debug)
+// cdbStructBlock (0); //,cdbFile);
- vFile = tempfile();
- /* PENDING: this isnt the best place but it will do */
- if (port->general.glue_up_main) {
- /* create the interrupt vector table */
- pic16createInterruptVect (vFile);
- }
+ vFile = tempfile();
+ /* PENDING: this isnt the best place but it will do */
+ if (port->general.glue_up_main) {
+ /* create the interrupt vector table */
+ pic16createInterruptVect (vFile);
+ }
- addSetHead(&tmpfileSet,vFile);
+ addSetHead(&tmpfileSet,vFile);
- /* emit code for the all the variables declared */
- pic16emitMaps ();
- /* do the overlay segments */
- pic16emitOverlay(ovrFile);
+ /* emit code for the all the variables declared */
+ pic16emitMaps ();
+ /* do the overlay segments */
+ pic16emitOverlay(ovrFile);
+ pic16_AnalyzepCode('*');
+#if 0
+ {
+ FILE *cFile;
+ sprintf(buffer, dstFileName);
+ strcat(buffer, ".calltree");
+ cFile = fopen(buffer, "w");
+ pic16_printCallTree( cFile );
+ fclose(cFile);
+ }
+#endif
- pic16_AnalyzepCode('*');
-
- //#ifdef PCODE_DEBUG
- //pic16_printCallTree(stderr);
- //#endif
-
- pic16_InlinepCode();
-
- pic16_AnalyzepCode('*');
-
- pic16_pcode_test();
+ pic16_InlinepCode();
+ pic16_AnalyzepCode('*');
+ if(pic16_debug_verbose)
+ pic16_pcode_test();
- /* now put it all together into the assembler file */
- /* create the assembler file name */
-
- if ((noAssemble || options.c1mode) && fullDstFileName)
- {
- sprintf (buffer, fullDstFileName);
- }
- else
- {
- sprintf (buffer, dstFileName);
- strcat (buffer, ".asm");
- }
+ /* now put it all together into the assembler file */
+ /* create the assembler file name */
+ if ((noAssemble || options.c1mode) && fullDstFileName) {
+ sprintf (buffer, fullDstFileName);
+ } else {
+ sprintf (buffer, dstFileName);
+ strcat (buffer, ".asm");
+ }
- if (!(asmFile = fopen (buffer, "w"))) {
- werror (E_FILE_OPEN_ERR, buffer);
- exit (1);
- }
+ if (!(asmFile = fopen (buffer, "w"))) {
+ werror (E_FILE_OPEN_ERR, buffer);
+ exit (1);
+ }
- /* initial comments */
- pic16initialComments (asmFile);
+ /* initial comments */
+ pic16initialComments (asmFile);
- /* print module name */
- fprintf (asmFile, ";\t.module %s\n", moduleName);
+ /* print module name */
+ fprintf(asmFile, "#FILE\t\"%s\"\n", fullSrcFileName);
- /* Let the port generate any global directives, etc. */
- if (port->genAssemblerPreamble)
- {
- port->genAssemblerPreamble(asmFile);
- }
-
- /* print the global variables in this module */
- pic16printPublics (asmFile);
+ /* 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);
- /* copy the sfr segment */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; special function registers\n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, sfr->oFile);
+#if 0
+ /* copy the sfr segment */
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "; special function registers\n");
+ fprintf (asmFile, "%s", iComments2);
+ copyFile (asmFile, sfr->oFile);
+#endif
- /* 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");
- }
+ /* Put all variables into a cblock */
+ pic16_AnalyzeBanking();
+ pic16_writeUsedRegs(asmFile);
- /* create the idata segment */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; indirectly addressable internal ram data\n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, idata->oFile);
-
- /* if external stack then reserve space of it */
- if (mainf && IFFUNC_HASBODY(mainf->type) && options.useXstack ) {
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; external stack \n");
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile,";\t.area XSEG (XDATA)\n"); /* MOF */
- fprintf (asmFile,";\t.ds 256\n");
- }
-
-
- /* copy xtern ram data */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; external ram data\n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, xdata->oFile);
-
+#if 0
+ /* create the overlay segments */
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "; overlayable items in internal ram \n");
+ fprintf (asmFile, "%s", iComments2);
+ copyFile (asmFile, ovrFile);
+#endif
- /* copy the bit segment */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; bit data\n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, bit->oFile);
+#if 0
+
+ /* 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");
+ }
+#endif
+#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
- fprintf (asmFile, "\tORG 0\n");
- /* copy the interrupt vector table */
- if (mainf && IFFUNC_HASBODY(mainf->type)) {
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; interrupt vector \n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, vFile);
- }
-
- /* copy global & static initialisations */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; global & static initialisations\n");
- fprintf (asmFile, "%s", iComments2);
+#if 0
+ /* no xdata in pic */
+ /* if external stack then reserve space of it */
+ if (mainf && IFFUNC_HASBODY(mainf->type) && options.useXstack ) {
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "; external stack \n");
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile,";\t.area XSEG (XDATA)\n"); /* MOF */
+ fprintf (asmFile,";\t.ds 256\n");
+ }
+#endif
+
+#if 0
+ /* no xdata in pic */
+ /* copy xtern ram data */
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "; external ram data\n");
+ fprintf (asmFile, "%s", iComments2);
+ copyFile (asmFile, xdata->oFile);
+#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, "; interrupt vector \n");
+ fprintf (asmFile, "%s", iComments2);
+ copyFile (asmFile, vFile);
+ }
- /* 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);
+ /* copy global & static initialisations */
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "; global & static initialisations\n");
+ fprintf (asmFile, "%s", iComments2);
- if (mainf && IFFUNC_HASBODY(mainf->type)) {
- fprintf (asmFile,"__sdcc_gsinit_startup:\n");
- /* if external stack is specified then the
- higher order byte of the xdatalocation is
- going into P2 and the lower order going into
- spx */
- if (options.useXstack) {
- fprintf(asmFile,";\tmov\tP2,#0x%02x\n",
- (((unsigned int)options.xdata_loc) >> 8) & 0xff);
- fprintf(asmFile,";\tmov\t_spx,#0x%02x\n",
- (unsigned int)options.xdata_loc & 0xff);
- }
+#if 0
+ /* copy over code */
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "\tcode\n");
+ fprintf (asmFile, "%s", iComments2);
+#endif
- }
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; A code from now on!\n");
+ pic16_copypCode(asmFile, 'A');
- if (port->general.glue_up_main && mainf && IFFUNC_HASBODY(mainf->type))
- {
- /* This code is generated in the post-static area.
- * This area is guaranteed to follow the static area
- * by the ugly shucking and jiving about 20 lines ago.
- */
- fprintf(asmFile, ";\t.area %s\n", port->mem.post_static_name);
- fprintf (asmFile,";\tljmp\t__sdcc_program_startup\n");
- }
+
+ if(mainf && IFFUNC_HASBODY(mainf->type)) {
+ fprintf(asmFile, "\tcode\n");
+ fprintf(asmFile,"__sdcc_gsinit_startup:\n");
+
+#if 0
+ /* FIXME 8051 legacy (?!) - VR 20-Jun-2003 */
+ /* if external stack is specified then the
+ * higher order byte of the xdatalocation is
+ * going into P2 and the lower order going into */
- /* copy over code */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; code\n");
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, ";\t.area %s\n", port->mem.code_name);
+ if (options.useXstack) {
+ fprintf(asmFile,";\tmov\tP2,#0x%02x\n",
+ (((unsigned int)options.xdata_loc) >> 8) & 0xff);
+ fprintf(asmFile,";\tmov\t_spx,#0x%02x\n",
+ (unsigned int)options.xdata_loc & 0xff);
+ }
+#endif
+ }
+
+// copyFile (stderr, code->oFile);
+
+ fprintf(asmFile, "; I code from now on!\n");
+ pic16_copypCode(asmFile, 'I');
+
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; dbName from now on!\n");
+ pic16_copypCode(asmFile, statsg->dbName);
+
+
+ if (port->general.glue_up_main && mainf && IFFUNC_HASBODY(mainf->type)) {
+ fprintf (asmFile,"\tgoto\t__sdcc_program_startup\n");
+ }
+
+
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; X code from now on!\n");
+ pic16_copypCode(asmFile, 'X');
- //copyFile (stderr, code->oFile);
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; M code from now on!\n");
+ pic16_copypCode(asmFile, 'M');
- pic16_copypCode(asmFile, 'I');
- pic16_copypCode(asmFile, statsg->dbName);
- pic16_copypCode(asmFile, 'X');
- pic16_copypCode(asmFile, 'M');
- pic16_copypCode(asmFile, code->dbName);
- pic16_copypCode(asmFile, 'P');
+ pic16_copypCode(asmFile, code->dbName);
- fprintf (asmFile,"\tend\n");
+ pic16_copypCode(asmFile, 'P');
- fclose (asmFile);
+ fprintf (asmFile,"\tend\n");
+ fclose (asmFile);
- rm_tmpfiles();
+ rm_tmpfiles();
}
projects / fw / sdcc / blobdiff