/*-------------------------------------------------------------------------
- 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 "device.h"
+#include "main.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 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);
/*-----------------------------------------------------------------*/
/* aopLiteral - string from a literal value */
}
-
/*-----------------------------------------------------------------*/
/* emitRegularMap - emit code for maps with no special cases */
/*-----------------------------------------------------------------*/
symbol *sym;
int i, size, bitvars = 0;;
- 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 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);
+// fprintf(stderr, "%s:%d map name= %s\n", __FUNCTION__, __LINE__, map->sname);
+
+ if(addPublics)
+ fprintf (map->oFile, ";\t.area\t%s\n", map->sname);
- /* if extern then do nothing or is a function
- then do nothing */
- if (IS_FUNC (sym->type))
- continue;
+ /* print the area name */
+ for (sym = setFirstItem (map->syms); sym; sym = setNextItem (map->syms)) {
#if 0
- /* print extra debug info if required */
- if (options.debug || sym->level == 0)
- {
-
- cdbSymbol (sym, cdbFile, FALSE, FALSE);
-
- if (!sym->level) /* global */
- if (IS_STATIC (sym->etype))
- fprintf (map->oFile, "F%s_", moduleName); /* scope is file */
- else
- fprintf (map->oFile, "G_"); /* scope is global */
- else
- /* symbol is local */
- fprintf (map->oFile, "L%s_", (sym->localof ? sym->localof->name : "-null-"));
- fprintf (map->oFile, "%s_%d_%d", sym->name, sym->level, sym->block);
- }
+ fprintf(stderr, "\t%s: sym: %s\tused: %d\n", map->sname, sym->name, sym->used);
+ printTypeChain( sym->type, stderr );
+ printf("\n");
#endif
+ /* if extern then add to externs */
+ if (IS_EXTERN (sym->etype)) {
+// if(sym->used) // fixme
+ addSetHead(&externs, sym);
+ continue;
+ }
+ /* if allocation required check is needed
+ * then check if the symbol really requires
+ * allocation only for local variables */
+ if (arFlag && !IS_AGGREGATE (sym->type) &&
+ !(sym->_isparm && !IS_REGPARM (sym->etype)) &&
+ !sym->allocreq && sym->level)
+
+ continue;
+
+ /* if global variable & not static or extern
+ * and addPublics allowed then add it to the public set */
+ if ((sym->used) && (sym->level == 0 ||
+ (sym->_isparm && !IS_REGPARM (sym->etype))) &&
+ addPublics &&
+ !IS_STATIC (sym->etype) && !IS_FUNC(sym->type))
+
+ addSetHead (&publics, sym);
+
+ /* 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);
+ }
+ continue;
+ }
- /* if is has an absolute address then generate
- an equate for this no need to allocate space */
- if (SPEC_ABSA (sym->etype))
- {
- //if (options.debug || sym->level == 0)
- //fprintf (map->oFile,"; == 0x%04x\n",SPEC_ADDR (sym->etype));
-
- fprintf (map->oFile, "%s\tEQU\t0x%04x\n",
- sym->rname,
- SPEC_ADDR (sym->etype));
- }
- else
- {
- /* allocate space */
+#if 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);
+ /* 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 */
+ 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));
+#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);
+ }
+ }
+#endif
+ } else {
+ /* allocate space */
+ /* If this is a bit variable, then allocate storage after 8 bits have been declared */
+ /* unlike the 8051, the pic does not have a separate bit area. So we emulate bit ram */
+ /* by grouping the bits together into groups of 8 and storing them in the normal ram. */
+ if (IS_BITVAR (sym->etype)) {
+ bitvars++;
+ } else {
+ fprintf (map->oFile, "\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);
}
- }
- //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 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);
+// }
+
+// fprintf(stderr, "'%s': sym '%s' has initial value\n", map->sname, sym->name);
+
+ 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;
+ }
+#endif
}
- }
}
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);
+ printTypeChain( sym->type, stderr );
+ printf("\n");
+#endif
+
+
/* if it is "extern" then do nothing */
if (IS_EXTERN (sym->etype))
continue;
if (!IS_STATIC (sym->etype))
addSetHead (&publics, sym);
+#if 0
/* print extra debug info if required */
if (options.debug || sym->level == 0)
{
fprintf (code->oFile, "%s_%d_%d", sym->name, sym->level, sym->block);
}
+#endif
/* if it has an absolute address */
if (SPEC_ABSA (sym->etype))
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);
+ }
}
- }
+
}
}
/*-----------------------------------------------------------------*/
-/* 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 (IS_FUNC (sym->type))
continue;
+#if 0
/* print extra debug info if required */
if (options.debug || sym->level == 0)
{
(sym->localof ? sym->localof->name : "-null-"));
fprintf (afile, "%s_%d_%d", sym->name, sym->level, sym->block);
}
+#endif
/* if is has an absolute address then generate
an equate for this no need to allocate space */
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("$",PO_STR)));
+ /* entry point @ start of CSEG */
+ pic16_addpCode2pBlock(pb,pic16_newpCodeLabel("__sdcc_program_startup\t;VR1",-1));
- }
- }
+ if(USE_STACK) {
+ pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
+ pic16_popGetLit2(1, pic16_popGetLit(stackPos))));
+ pic16_addpCode2pBlock(pb, pic16_newpCode(POC_LFSR,
+ pic16_popGetLit2(2, pic16_popGetLit(stackPos))));
+ }
+ /* put in the call to main */
+ pic16_addpCode2pBlock(pb,pic16_newpCode(POC_CALL,pic16_newpCodeOp("_main",PO_STR)));
- /* At this point we've got all the code in the form of pCode structures */
- /* Now it needs to be rearranged into the order it should be placed in the */
- /* code space */
+ if (options.mainreturn) {
+ pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will return to caller\n"));
+ pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETURN,NULL));
+ } else {
+ pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(";\treturn from main will lock up\n"));
+ pic16_addpCode2pBlock(pb,pic16_newpCode(POC_GOTO,pic16_newpCodeOp("$",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);
- }
-
- /* initial comments */
- pic16initialComments (asmFile);
+ if (!(asmFile = fopen (buffer, "w"))) {
+ werror (E_FILE_OPEN_ERR, buffer);
+ exit (1);
+ }
- /* print module name */
- fprintf (asmFile, ";\t.module %s\n", moduleName);
+ /* initial comments */
+ pic16initialComments (asmFile);
- /* Let the port generate any global directives, etc. */
- if (port->genAssemblerPreamble)
- {
- port->genAssemblerPreamble(asmFile);
- }
+ /* print module name */
+ fprintf (asmFile, ";\t.module %s\n", moduleName);
- /* 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 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");
+ }
- /* 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
+ /* 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
- /* copy the bit segment */
- fprintf (asmFile, "%s", iComments2);
- fprintf (asmFile, "; bit data\n");
- fprintf (asmFile, "%s", iComments2);
- copyFile (asmFile, bit->oFile);
+#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
- fprintf (asmFile, "\tORG 0\n");
+#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
- /* 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);
+ /* copy the bit segment */
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "; bit data\n");
+ fprintf (asmFile, "%s", iComments2);
+ copyFile (asmFile, bit->oFile);
+
+
+ /* 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
+ /* 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
+ /* copy over code */
+ fprintf (asmFile, "%s", iComments2);
+ fprintf (asmFile, "\tcode\n");
+ fprintf (asmFile, "%s", iComments2);
- }
- 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,"__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 */
- /* 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);
+
+
+ if (port->general.glue_up_main && mainf && IFFUNC_HASBODY(mainf->type)) {
+ fprintf (asmFile,"\tgoto\t__sdcc_program_startup\t;VR2\n");
+ }
+
+
+ fprintf(asmFile, "; I code from now on!\n");
+ pic16_copypCode(asmFile, 'I');
+
+ fprintf(asmFile, "; A code from now on!\n");
+ pic16_copypCode(asmFile, 'A');
+
+
+ if(pic16_debug_verbose)
+ fprintf(asmFile, "; dbName from now on!\n");
+ pic16_copypCode(asmFile, statsg->dbName);
+
+ 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