1609 lines
43 KiB
C
1609 lines
43 KiB
C
/*-------------------------------------------------------------------------
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SDCCglue.c - glues everything we have done together into one file.
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Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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In other words, you are welcome to use, share and improve this program.
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You are forbidden to forbid anyone else to use, share and improve
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what you give them. Help stamp out software-hoarding!
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-------------------------------------------------------------------------*/
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#include "common.h"
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#include "asm.h"
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#include <time.h>
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#include "newalloc.h"
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#if !defined(__BORLANDC__) && !defined(_MSC_VER)
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#include <unistd.h>
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#endif
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symbol *interrupts[256];
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void printIval (symbol *, sym_link *, initList *, FILE *);
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set *publics = NULL; /* public variables */
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set *externs = NULL; /* Varibles that are declared as extern */
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/* TODO: this should be configurable (DS803C90 uses more than 6) */
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unsigned maxInterrupts = 6;
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int allocInfo = 1;
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symbol *mainf;
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extern char *VersionString;
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set *tmpfileSet = NULL; /* set of tmp file created by the compiler */
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set *tmpfileNameSet = NULL; /* All are unlinked at close. */
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/*-----------------------------------------------------------------*/
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/* closeTmpFiles - closes all tmp files created by the compiler */
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/* because of BRAIN DEAD MS/DOS & CYGNUS Libraries */
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/*-----------------------------------------------------------------*/
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DEFSETFUNC (closeTmpFiles)
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{
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FILE *tfile = item;
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if (tfile)
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fclose (tfile);
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return 0;
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}
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/*-----------------------------------------------------------------*/
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/* rmTmpFiles - closes all tmp files created by the compiler */
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/* because of BRAIN DEAD MS/DOS & CYGNUS Libraries */
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/*-----------------------------------------------------------------*/
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DEFSETFUNC (rmTmpFiles)
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{
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char *name = item;
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if (name)
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{
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unlink (name);
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Safe_free (name);
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}
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return 0;
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}
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/*-----------------------------------------------------------------*/
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/* copyFile - copies source file to destination file */
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/*-----------------------------------------------------------------*/
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void
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copyFile (FILE * dest, FILE * src)
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{
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int ch;
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rewind (src);
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while (!feof (src))
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if ((ch = fgetc (src)) != EOF)
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fputc (ch, dest);
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}
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char *
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aopLiteralLong (value * val, int offset, int size)
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{
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char *rs;
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union {
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float f;
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unsigned char c[4];
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}
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fl;
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if (!val) {
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// assuming we have been warned before
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val=constVal("0");
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}
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/* if it is a float then it gets tricky */
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/* otherwise it is fairly simple */
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if (!IS_FLOAT (val->type)) {
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unsigned long v = (unsigned long) floatFromVal (val);
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v >>= (offset * 8);
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switch (size) {
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case 1:
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tsprintf (buffer, "!immedbyte", (unsigned int) v & 0xff);
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break;
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case 2:
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tsprintf (buffer, "!immedword", (unsigned int) v & 0xffff);
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break;
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default:
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/* Hmm. Too big for now. */
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assert (0);
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}
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rs = Safe_calloc (1, strlen (buffer) + 1);
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return strcpy (rs, buffer);
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}
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/* PENDING: For now size must be 1 */
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assert (size == 1);
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/* it is type float */
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fl.f = (float) floatFromVal (val);
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#ifdef _BIG_ENDIAN
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tsprintf (buffer, "!immedbyte", fl.c[3 - offset]);
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#else
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tsprintf (buffer, "!immedbyte", fl.c[offset]);
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#endif
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rs = Safe_calloc (1, strlen (buffer) + 1);
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return strcpy (rs, buffer);
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}
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/*-----------------------------------------------------------------*/
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/* aopLiteral - string from a literal value */
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/*-----------------------------------------------------------------*/
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char *
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aopLiteral (value * val, int offset)
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{
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return aopLiteralLong (val, offset, 1);
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}
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/*-----------------------------------------------------------------*/
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/* emitRegularMap - emit code for maps with no special cases */
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/*-----------------------------------------------------------------*/
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static void
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emitRegularMap (memmap * map, bool addPublics, bool arFlag)
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{
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symbol *sym, *symIval;
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ast *ival = NULL;
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memmap *segment;
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if (addPublics)
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{
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/* PENDING: special case here - should remove */
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if (!strcmp (map->sname, CODE_NAME))
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tfprintf (map->oFile, "\t!areacode\n", map->sname);
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else if (!strcmp (map->sname, DATA_NAME))
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tfprintf (map->oFile, "\t!areadata\n", map->sname);
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else if (!strcmp (map->sname, HOME_NAME))
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tfprintf (map->oFile, "\t!areahome\n", map->sname);
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else
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tfprintf (map->oFile, "\t!area\n", map->sname);
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}
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/* print the area name */
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for (sym = setFirstItem (map->syms); sym;
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sym = setNextItem (map->syms))
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{
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/* if extern then add it into the extern list */
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if (IS_EXTERN (sym->etype))
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{
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addSetHead (&externs, sym);
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continue;
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}
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/* if allocation required check is needed
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then check if the symbol really requires
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allocation only for local variables */
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if (arFlag && !IS_AGGREGATE (sym->type) &&
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!(sym->_isparm && !IS_REGPARM (sym->etype)) &&
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!sym->allocreq && sym->level)
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continue;
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/* for bitvar locals and parameters */
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if (!arFlag && !sym->allocreq && sym->level
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&& !SPEC_ABSA (sym->etype)) {
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continue;
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}
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/* if global variable & not static or extern
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and addPublics allowed then add it to the public set */
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if ((sym->level == 0 ||
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(sym->_isparm && !IS_REGPARM (sym->etype))) &&
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addPublics &&
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!IS_STATIC (sym->etype) &&
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(IS_FUNC(sym->type) ? (sym->used || IFFUNC_HASBODY(sym->type)) : 1))
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{
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addSetHead (&publics, sym);
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}
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/* if extern then do nothing or is a function
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then do nothing */
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if (IS_FUNC (sym->type))
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continue;
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/* print extra debug info if required */
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if (options.debug) {
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cdbSymbol (sym, cdbFile, FALSE, FALSE);
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if (!sym->level) /* global */
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if (IS_STATIC (sym->etype))
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fprintf (map->oFile, "F%s$", moduleName); /* scope is file */
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else
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fprintf (map->oFile, "G$"); /* scope is global */
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else
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/* symbol is local */
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fprintf (map->oFile, "L%s$", (sym->localof ? sym->localof->name : "-null-"));
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fprintf (map->oFile, "%s$%d$%d", sym->name, sym->level, sym->block);
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}
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/* if is has an absolute address then generate
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an equate for this no need to allocate space */
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if (SPEC_ABSA (sym->etype))
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{
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if (options.debug) {
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fprintf (map->oFile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
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}
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fprintf (map->oFile, "%s\t=\t0x%04x\n",
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sym->rname,
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SPEC_ADDR (sym->etype));
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}
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else
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{
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/* allocate space */
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if (options.debug) {
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fprintf (map->oFile, "==.\n");
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}
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if (IS_STATIC (sym->etype))
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tfprintf (map->oFile, "!slabeldef\n", sym->rname);
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else
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tfprintf (map->oFile, "!labeldef\n", sym->rname);
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tfprintf (map->oFile, "\t!ds\n",
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(unsigned int) getSize (sym->type) & 0xffff);
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}
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/* if it has an initial value then do it only if
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it is a global variable */
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if (sym->ival && sym->level == 0)
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{
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if (IS_AGGREGATE (sym->type)) {
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ival = initAggregates (sym, sym->ival, NULL);
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} else {
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ival = newNode ('=', newAst_VALUE (symbolVal (sym)),
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decorateType (resolveSymbols (list2expr (sym->ival))));
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}
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codeOutFile = statsg->oFile;
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allocInfo = 0;
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// set ival's lineno to where the symbol was defined
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if (ival) ival->lineno=sym->lineDef;
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eBBlockFromiCode (iCodeFromAst (ival));
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allocInfo = 1;
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/* if the ival is a symbol assigned to an aggregate,
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(bug #458099 -> #462479)
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we don't need it anymore, so delete it from its segment */
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if (sym->ival->type == INIT_NODE &&
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IS_AST_SYM_VALUE(sym->ival->init.node) &&
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IS_AGGREGATE (sym->type) ) {
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symIval=AST_SYMBOL(sym->ival->init.node);
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segment = SPEC_OCLS (symIval->etype);
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deleteSetItem (&segment->syms, symIval);
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}
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sym->ival = NULL;
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}
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}
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}
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/*-----------------------------------------------------------------*/
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/* initPointer - pointer initialization code massaging */
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/*-----------------------------------------------------------------*/
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value *
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initPointer (initList * ilist)
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{
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value *val;
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ast *expr = list2expr (ilist);
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if (!expr)
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goto wrong;
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/* try it the oldway first */
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if ((val = constExprValue (expr, FALSE)))
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return val;
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/* no then we have to do these cludgy checks */
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/* pointers can be initialized with address of
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a variable or address of an array element */
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if (IS_AST_OP (expr) && expr->opval.op == '&') {
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/* address of symbol */
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if (IS_AST_SYM_VALUE (expr->left)) {
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val = copyValue (AST_VALUE (expr->left));
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val->type = newLink ();
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if (SPEC_SCLS (expr->left->etype) == S_CODE) {
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DCL_TYPE (val->type) = CPOINTER;
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DCL_PTR_CONST (val->type) = port->mem.code_ro;
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}
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else if (SPEC_SCLS (expr->left->etype) == S_XDATA)
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DCL_TYPE (val->type) = FPOINTER;
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else if (SPEC_SCLS (expr->left->etype) == S_XSTACK)
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DCL_TYPE (val->type) = PPOINTER;
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else if (SPEC_SCLS (expr->left->etype) == S_IDATA)
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DCL_TYPE (val->type) = IPOINTER;
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else if (SPEC_SCLS (expr->left->etype) == S_EEPROM)
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DCL_TYPE (val->type) = EEPPOINTER;
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else
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DCL_TYPE (val->type) = POINTER;
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val->type->next = expr->left->ftype;
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val->etype = getSpec (val->type);
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return val;
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}
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/* if address of indexed array */
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if (IS_AST_OP (expr->left) && expr->left->opval.op == '[')
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return valForArray (expr->left);
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/* if address of structure element then
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case 1. a.b ; */
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if (IS_AST_OP (expr->left) &&
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expr->left->opval.op == '.') {
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return valForStructElem (expr->left->left,
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expr->left->right);
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}
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/* case 2. (&a)->b ;
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(&some_struct)->element */
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if (IS_AST_OP (expr->left) &&
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expr->left->opval.op == PTR_OP &&
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IS_ADDRESS_OF_OP (expr->left->left))
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return valForStructElem (expr->left->left->left,
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expr->left->right);
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}
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/* case 3. (((char *) &a) +/- constant) */
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if (IS_AST_OP (expr) &&
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(expr->opval.op == '+' || expr->opval.op == '-') &&
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IS_AST_OP (expr->left) && expr->left->opval.op == CAST &&
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IS_AST_OP (expr->left->right) &&
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expr->left->right->opval.op == '&' &&
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IS_AST_LIT_VALUE (expr->right)) {
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return valForCastAggr (expr->left->right->left,
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expr->left->left->opval.lnk,
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expr->right, expr->opval.op);
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}
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/* case 4. (char *)(array type) */
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if (IS_CAST_OP(expr) && IS_AST_SYM_VALUE (expr->right) &&
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IS_ARRAY(expr->right->ftype)) {
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val = copyValue (AST_VALUE (expr->right));
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val->type = newLink ();
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if (SPEC_SCLS (expr->right->etype) == S_CODE) {
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DCL_TYPE (val->type) = CPOINTER;
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DCL_PTR_CONST (val->type) = port->mem.code_ro;
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}
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else if (SPEC_SCLS (expr->right->etype) == S_XDATA)
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DCL_TYPE (val->type) = FPOINTER;
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else if (SPEC_SCLS (expr->right->etype) == S_XSTACK)
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DCL_TYPE (val->type) = PPOINTER;
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else if (SPEC_SCLS (expr->right->etype) == S_IDATA)
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DCL_TYPE (val->type) = IPOINTER;
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else if (SPEC_SCLS (expr->right->etype) == S_EEPROM)
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DCL_TYPE (val->type) = EEPPOINTER;
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else
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DCL_TYPE (val->type) = POINTER;
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val->type->next = expr->right->ftype->next;
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val->etype = getSpec (val->type);
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return val;
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}
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wrong:
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werror (W_INIT_WRONG);
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return NULL;
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}
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/*-----------------------------------------------------------------*/
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/* printChar - formats and prints a characater string with DB */
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/*-----------------------------------------------------------------*/
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void
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printChar (FILE * ofile, char *s, int plen)
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{
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int i;
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int len = strlen (s);
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int pplen = 0;
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char buf[100];
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char *p = buf;
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|
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while (len && pplen < plen)
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{
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i = 60;
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while (i && *s && pplen < plen)
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{
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if (*s < ' ' || *s == '\"' || *s=='\\')
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{
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*p = '\0';
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if (p != buf)
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tfprintf (ofile, "\t!ascii\n", buf);
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tfprintf (ofile, "\t!db !constbyte\n", (unsigned char)*s);
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p = buf;
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}
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else
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{
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*p = *s;
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p++;
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}
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s++;
|
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pplen++;
|
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i--;
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}
|
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if (p != buf)
|
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{
|
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*p = '\0';
|
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tfprintf (ofile, "\t!ascii\n", buf);
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p = buf;
|
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}
|
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|
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if (len > 60)
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len -= 60;
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else
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len = 0;
|
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}
|
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tfprintf (ofile, "\t!db !constbyte\n", 0);
|
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}
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|
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/*-----------------------------------------------------------------*/
|
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/* return the generic pointer high byte for a given pointer type. */
|
|
/*-----------------------------------------------------------------*/
|
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int
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pointerTypeToGPByte (const int p_type, const char *iname, const char *oname)
|
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{
|
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switch (p_type)
|
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{
|
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case IPOINTER:
|
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case POINTER:
|
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return 0;
|
|
case GPOINTER:
|
|
/* hack - if we get a generic pointer, we just assume
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* it's an FPOINTER (i.e. in XDATA space).
|
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*/
|
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werror (E_CANNOT_USE_GENERIC_POINTER, iname, oname);
|
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exit (1);
|
|
// fall through
|
|
case FPOINTER:
|
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return 1;
|
|
case CPOINTER:
|
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return 2;
|
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case PPOINTER:
|
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return 3;
|
|
default:
|
|
fprintf (stderr, "*** internal error: unknown pointer type %d in GPByte.\n",
|
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p_type);
|
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break;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printPointerType - generates ival for pointer type */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
_printPointerType (FILE * oFile, const char *name)
|
|
{
|
|
/* if (TARGET_IS_DS390) */
|
|
if (options.model == MODEL_FLAT24)
|
|
{
|
|
fprintf (oFile, "\t.byte %s,(%s >> 8),(%s >> 16)", name, name, name);
|
|
}
|
|
else
|
|
{
|
|
fprintf (oFile, "\t.byte %s,(%s >> 8)", name, name);
|
|
}
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printPointerType - generates ival for pointer type */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printPointerType (FILE * oFile, const char *name)
|
|
{
|
|
_printPointerType (oFile, name);
|
|
fprintf (oFile, "\n");
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printGPointerType - generates ival for generic pointer type */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printGPointerType (FILE * oFile, const char *iname, const char *oname,
|
|
const unsigned int type)
|
|
{
|
|
_printPointerType (oFile, iname);
|
|
fprintf (oFile, ",#0x%02x\n", pointerTypeToGPByte (type, iname, oname));
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printIvalType - generates ival for int/char */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printIvalType (sym_link * type, initList * ilist, FILE * oFile)
|
|
{
|
|
value *val;
|
|
|
|
/* if initList is deep */
|
|
if (ilist->type == INIT_DEEP)
|
|
ilist = ilist->init.deep;
|
|
|
|
val = list2val (ilist);
|
|
switch (getSize (type)) {
|
|
case 1:
|
|
if (!val)
|
|
tfprintf (oFile, "\t!db !constbyte\n", 0);
|
|
else
|
|
tfprintf (oFile, "\t!dbs\n",
|
|
aopLiteral (val, 0));
|
|
break;
|
|
|
|
case 2:
|
|
if (port->use_dw_for_init)
|
|
tfprintf (oFile, "\t!dws\n", aopLiteralLong (val, 0, 2));
|
|
else
|
|
fprintf (oFile, "\t.byte %s,%s\n", aopLiteral (val, 0), aopLiteral (val, 1));
|
|
break;
|
|
case 4:
|
|
if (!val) {
|
|
tfprintf (oFile, "\t!dw !constword\n", 0);
|
|
tfprintf (oFile, "\t!dw !constword\n", 0);
|
|
}
|
|
else {
|
|
fprintf (oFile, "\t.byte %s,%s,%s,%s\n",
|
|
aopLiteral (val, 0), aopLiteral (val, 1),
|
|
aopLiteral (val, 2), aopLiteral (val, 3));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printIvalBitFields - generate initializer for bitfields */
|
|
/*-----------------------------------------------------------------*/
|
|
void printIvalBitFields(symbol **sym, initList **ilist, FILE * oFile)
|
|
{
|
|
value *val ;
|
|
symbol *lsym = *sym;
|
|
initList *lilist = *ilist ;
|
|
unsigned long ival = 0;
|
|
int size =0;
|
|
|
|
|
|
do {
|
|
unsigned long i;
|
|
val = list2val(lilist);
|
|
if (size) {
|
|
if (SPEC_BLEN(lsym->etype) > 8) {
|
|
size += ((SPEC_BLEN (lsym->etype) / 8) +
|
|
(SPEC_BLEN (lsym->etype) % 8 ? 1 : 0));
|
|
}
|
|
} else {
|
|
size = ((SPEC_BLEN (lsym->etype) / 8) +
|
|
(SPEC_BLEN (lsym->etype) % 8 ? 1 : 0));
|
|
}
|
|
i = (unsigned long)floatFromVal(val);
|
|
i <<= SPEC_BSTR (lsym->etype);
|
|
ival |= i;
|
|
if (! ( lsym->next &&
|
|
(IS_BITFIELD(lsym->next->type)) &&
|
|
(SPEC_BSTR(lsym->next->etype)))) break;
|
|
lsym = lsym->next;
|
|
lilist = lilist->next;
|
|
} while (1);
|
|
switch (size) {
|
|
case 1:
|
|
tfprintf (oFile, "\t!db !constbyte\n",ival);
|
|
break;
|
|
|
|
case 2:
|
|
tfprintf (oFile, "\t!dw !constword\n",ival);
|
|
break;
|
|
case 4:
|
|
tfprintf (oFile, "\t!db !constword,!constword\n",
|
|
(ival >> 8) & 0xffff, (ival & 0xffff));
|
|
break;
|
|
}
|
|
*sym = lsym;
|
|
*ilist = lilist;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printIvalStruct - generates initial value for structures */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printIvalStruct (symbol * sym, sym_link * type,
|
|
initList * ilist, FILE * oFile)
|
|
{
|
|
symbol *sflds;
|
|
initList *iloop;
|
|
|
|
sflds = SPEC_STRUCT (type)->fields;
|
|
if (ilist->type != INIT_DEEP) {
|
|
werror (E_INIT_STRUCT, sym->name);
|
|
return;
|
|
}
|
|
|
|
iloop = ilist->init.deep;
|
|
|
|
for (; sflds; sflds = sflds->next, iloop = (iloop ? iloop->next : NULL)) {
|
|
if (IS_BITFIELD(sflds->type)) {
|
|
printIvalBitFields(&sflds,&iloop,oFile);
|
|
} else {
|
|
printIval (sflds, sflds->type, iloop, oFile);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printIvalChar - generates initital value for character array */
|
|
/*-----------------------------------------------------------------*/
|
|
int
|
|
printIvalChar (sym_link * type, initList * ilist, FILE * oFile, char *s)
|
|
{
|
|
value *val;
|
|
int remain;
|
|
|
|
if (!s)
|
|
{
|
|
|
|
val = list2val (ilist);
|
|
/* if the value is a character string */
|
|
if (IS_ARRAY (val->type) && IS_CHAR (val->etype))
|
|
{
|
|
if (!DCL_ELEM (type))
|
|
DCL_ELEM (type) = strlen (SPEC_CVAL (val->etype).v_char) + 1;
|
|
|
|
printChar (oFile, SPEC_CVAL (val->etype).v_char, DCL_ELEM (type));
|
|
|
|
if ((remain = (DCL_ELEM (type) - strlen (SPEC_CVAL (val->etype).v_char) - 1)) > 0)
|
|
while (remain--)
|
|
tfprintf (oFile, "\t!db !constbyte\n", 0);
|
|
|
|
return 1;
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
else
|
|
printChar (oFile, s, strlen (s) + 1);
|
|
return 1;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printIvalArray - generates code for array initialization */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printIvalArray (symbol * sym, sym_link * type, initList * ilist,
|
|
FILE * oFile)
|
|
{
|
|
initList *iloop;
|
|
int lcnt = 0, size = 0;
|
|
|
|
/* take care of the special case */
|
|
/* array of characters can be init */
|
|
/* by a string */
|
|
if (IS_CHAR (type->next))
|
|
if (printIvalChar (type,
|
|
(ilist->type == INIT_DEEP ? ilist->init.deep : ilist),
|
|
oFile, SPEC_CVAL (sym->etype).v_char))
|
|
return;
|
|
|
|
/* not the special case */
|
|
if (ilist->type != INIT_DEEP)
|
|
{
|
|
werror (E_INIT_STRUCT, sym->name);
|
|
return;
|
|
}
|
|
|
|
iloop = ilist->init.deep;
|
|
lcnt = DCL_ELEM (type);
|
|
|
|
for (;;)
|
|
{
|
|
size++;
|
|
printIval (sym, type->next, iloop, oFile);
|
|
iloop = (iloop ? iloop->next : NULL);
|
|
|
|
|
|
/* if not array limits given & we */
|
|
/* are out of initialisers then */
|
|
if (!DCL_ELEM (type) && !iloop)
|
|
break;
|
|
|
|
/* no of elements given and we */
|
|
/* have generated for all of them */
|
|
if (!--lcnt) {
|
|
/* if initializers left */
|
|
if (iloop) {
|
|
werror (W_EXESS_ARRAY_INITIALIZERS, sym->name, sym->lineDef);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* if we have not been given a size */
|
|
if (!DCL_ELEM (type))
|
|
DCL_ELEM (type) = size;
|
|
|
|
return;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printIvalFuncPtr - generate initial value for function pointers */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printIvalFuncPtr (sym_link * type, initList * ilist, FILE * oFile)
|
|
{
|
|
value *val;
|
|
int dLvl = 0;
|
|
|
|
val = list2val (ilist);
|
|
/* check the types */
|
|
if ((dLvl = compareType (val->type, type->next)) <= 0)
|
|
{
|
|
tfprintf (oFile, "\t!dw !constword\n", 0);
|
|
return;
|
|
}
|
|
|
|
/* now generate the name */
|
|
if (!val->sym)
|
|
{
|
|
if (port->use_dw_for_init)
|
|
{
|
|
tfprintf (oFile, "\t!dws\n", val->name);
|
|
}
|
|
else
|
|
{
|
|
printPointerType (oFile, val->name);
|
|
}
|
|
}
|
|
else if (port->use_dw_for_init)
|
|
{
|
|
tfprintf (oFile, "\t!dws\n", val->sym->rname);
|
|
}
|
|
else
|
|
{
|
|
printPointerType (oFile, val->sym->rname);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printIvalCharPtr - generates initial values for character pointers */
|
|
/*-----------------------------------------------------------------*/
|
|
int
|
|
printIvalCharPtr (symbol * sym, sym_link * type, value * val, FILE * oFile)
|
|
{
|
|
int size = 0;
|
|
|
|
/* PENDING: this is _very_ mcs51 specific, including a magic
|
|
number...
|
|
It's also endin specific.
|
|
*/
|
|
size = getSize (type);
|
|
|
|
if (val->name && strlen (val->name))
|
|
{
|
|
if (size == 1) /* This appears to be Z80 specific?? */
|
|
{
|
|
tfprintf (oFile,
|
|
"\t!dbs\n", val->name);
|
|
}
|
|
else if (size == FPTRSIZE)
|
|
{
|
|
if (port->use_dw_for_init)
|
|
{
|
|
tfprintf (oFile, "\t!dws\n", val->name);
|
|
}
|
|
else
|
|
{
|
|
printPointerType (oFile, val->name);
|
|
}
|
|
}
|
|
else if (size == GPTRSIZE)
|
|
{
|
|
int type;
|
|
if (IS_PTR (val->type)) {
|
|
type = DCL_TYPE (val->type);
|
|
} else {
|
|
type = PTR_TYPE (SPEC_OCLS (val->etype));
|
|
}
|
|
if (val->sym && val->sym->isstrlit) {
|
|
// this is a literal string
|
|
type=CPOINTER;
|
|
}
|
|
printGPointerType (oFile, val->name, sym->name, type);
|
|
}
|
|
else
|
|
{
|
|
fprintf (stderr, "*** internal error: unknown size in "
|
|
"printIvalCharPtr.\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* What is this case? Are these pointers? */
|
|
switch (size)
|
|
{
|
|
case 1:
|
|
tfprintf (oFile, "\t!dbs\n", aopLiteral (val, 0));
|
|
break;
|
|
case 2:
|
|
if (port->use_dw_for_init)
|
|
tfprintf (oFile, "\t!dws\n", aopLiteralLong (val, 0, size));
|
|
else
|
|
tfprintf (oFile, "\t.byte %s,%s\n",
|
|
aopLiteral (val, 0), aopLiteral (val, 1));
|
|
break;
|
|
case 3:
|
|
/* PENDING: 0x02 or 0x%02x, CDATA? */
|
|
fprintf (oFile, "\t.byte %s,%s,#0x02\n",
|
|
aopLiteral (val, 0), aopLiteral (val, 1));
|
|
break;
|
|
default:
|
|
assert (0);
|
|
}
|
|
}
|
|
|
|
if (val->sym && val->sym->isstrlit && !isinSet(statsg->syms, val->sym)) {
|
|
addSet (&statsg->syms, val->sym);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printIvalPtr - generates initial value for pointers */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printIvalPtr (symbol * sym, sym_link * type, initList * ilist, FILE * oFile)
|
|
{
|
|
value *val;
|
|
int size;
|
|
|
|
/* if deep then */
|
|
if (ilist->type == INIT_DEEP)
|
|
ilist = ilist->init.deep;
|
|
|
|
/* function pointer */
|
|
if (IS_FUNC (type->next))
|
|
{
|
|
printIvalFuncPtr (type, ilist, oFile);
|
|
return;
|
|
}
|
|
|
|
if (!(val = initPointer (ilist)))
|
|
return;
|
|
|
|
/* if character pointer */
|
|
if (IS_CHAR (type->next))
|
|
if (printIvalCharPtr (sym, type, val, oFile))
|
|
return;
|
|
|
|
/* check the type */
|
|
if (compareType (type, val->type) == 0)
|
|
werror (W_INIT_WRONG);
|
|
|
|
/* if val is literal */
|
|
if (IS_LITERAL (val->etype))
|
|
{
|
|
switch (getSize (type))
|
|
{
|
|
case 1:
|
|
tfprintf (oFile, "\t!db !constbyte\n", (unsigned int) floatFromVal (val) & 0xff);
|
|
break;
|
|
case 2:
|
|
if (port->use_dw_for_init)
|
|
tfprintf (oFile, "\t!dws\n", aopLiteralLong (val, 0, 2));
|
|
else
|
|
tfprintf (oFile, "\t.byte %s,%s\n", aopLiteral (val, 0), aopLiteral (val, 1));
|
|
break;
|
|
case 3:
|
|
fprintf (oFile, "\t.byte %s,%s,#0x02\n",
|
|
aopLiteral (val, 0), aopLiteral (val, 1));
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
size = getSize (type);
|
|
|
|
if (size == 1) /* Z80 specific?? */
|
|
{
|
|
tfprintf (oFile, "\t!dbs\n", val->name);
|
|
}
|
|
else if (size == FPTRSIZE)
|
|
{
|
|
if (port->use_dw_for_init) {
|
|
tfprintf (oFile, "\t!dws\n", val->name);
|
|
} else {
|
|
printPointerType (oFile, val->name);
|
|
}
|
|
}
|
|
else if (size == GPTRSIZE)
|
|
{
|
|
printGPointerType (oFile, val->name, sym->name,
|
|
(IS_PTR (val->type) ? DCL_TYPE (val->type) :
|
|
PTR_TYPE (SPEC_OCLS (val->etype))));
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printIval - generates code for initial value */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printIval (symbol * sym, sym_link * type, initList * ilist, FILE * oFile)
|
|
{
|
|
if (!ilist)
|
|
return;
|
|
|
|
/* if structure then */
|
|
if (IS_STRUCT (type))
|
|
{
|
|
printIvalStruct (sym, type, ilist, oFile);
|
|
return;
|
|
}
|
|
|
|
/* if this is a pointer */
|
|
if (IS_PTR (type))
|
|
{
|
|
printIvalPtr (sym, type, ilist, oFile);
|
|
return;
|
|
}
|
|
|
|
/* if this is an array */
|
|
if (IS_ARRAY (type))
|
|
{
|
|
printIvalArray (sym, type, ilist, oFile);
|
|
return;
|
|
}
|
|
|
|
/* if type is SPECIFIER */
|
|
if (IS_SPEC (type))
|
|
{
|
|
printIvalType (type, ilist, oFile);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* emitStaticSeg - emitcode for the static segment */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
emitStaticSeg (memmap * map, FILE * out)
|
|
{
|
|
symbol *sym;
|
|
|
|
/* fprintf(map->oFile,"\t.area\t%s\n",map->sname); */
|
|
if (!out)
|
|
out = code->oFile;
|
|
|
|
/* for all variables in this segment do */
|
|
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);
|
|
|
|
/* print extra debug info if required */
|
|
if (options.debug) {
|
|
cdbSymbol (sym, cdbFile, FALSE, FALSE);
|
|
if (!sym->level)
|
|
{ /* global */
|
|
if (IS_STATIC (sym->etype))
|
|
fprintf (out, "F%s$", moduleName); /* scope is file */
|
|
else
|
|
fprintf (out, "G$"); /* scope is global */
|
|
}
|
|
else
|
|
/* symbol is local */
|
|
fprintf (out, "L%s$",
|
|
(sym->localof ? sym->localof->name : "-null-"));
|
|
fprintf (out, "%s$%d$%d", sym->name, sym->level, sym->block);
|
|
}
|
|
|
|
/* if it has an absolute address */
|
|
if (SPEC_ABSA (sym->etype))
|
|
{
|
|
if (options.debug)
|
|
fprintf (out, " == 0x%04x\n", SPEC_ADDR (sym->etype));
|
|
|
|
fprintf (out, "%s\t=\t0x%04x\n",
|
|
sym->rname,
|
|
SPEC_ADDR (sym->etype));
|
|
}
|
|
else
|
|
{
|
|
if (options.debug)
|
|
fprintf (out, " == .\n");
|
|
|
|
/* if it has an initial value */
|
|
if (sym->ival)
|
|
{
|
|
fprintf (out, "%s:\n", sym->rname);
|
|
noAlloc++;
|
|
resolveIvalSym (sym->ival);
|
|
printIval (sym, sym->type, sym->ival, out);
|
|
noAlloc--;
|
|
}
|
|
else
|
|
{
|
|
/* allocate space */
|
|
fprintf (out, "%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)
|
|
printChar (out,
|
|
SPEC_CVAL (sym->etype).v_char,
|
|
strlen (SPEC_CVAL (sym->etype).v_char) + 1);
|
|
else
|
|
tfprintf (out, "\t!ds\n", (unsigned int) getSize (sym->type) & 0xffff);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* emitMaps - emits the code for the data portion the code */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
emitMaps ()
|
|
{
|
|
inInitMode++;
|
|
/* no special considerations for the following
|
|
data, idata & bit & xdata */
|
|
emitRegularMap (data, TRUE, TRUE);
|
|
emitRegularMap (idata, TRUE, TRUE);
|
|
emitRegularMap (bit, TRUE, FALSE);
|
|
emitRegularMap (xdata, TRUE, TRUE);
|
|
emitRegularMap (sfr, FALSE, FALSE);
|
|
emitRegularMap (sfrbit, FALSE, FALSE);
|
|
emitRegularMap (home, TRUE, FALSE);
|
|
emitRegularMap (code, TRUE, FALSE);
|
|
|
|
emitStaticSeg (statsg, code->oFile);
|
|
inInitMode--;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* flushStatics - flush all currently defined statics out to file */
|
|
/* and delete. Temporary function */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
flushStatics (void)
|
|
{
|
|
emitStaticSeg (statsg, codeOutFile);
|
|
statsg->syms = NULL;
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* createInterruptVect - creates the interrupt vector */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
createInterruptVect (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 && !noAssemble)
|
|
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 && !noAssemble)
|
|
werror (E_NO_MAIN);
|
|
return;
|
|
}
|
|
|
|
tfprintf (vFile, "\t!areacode\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");
|
|
|
|
|
|
/* 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");
|
|
}
|
|
}
|
|
}
|
|
|
|
char *iComments1 =
|
|
{
|
|
";--------------------------------------------------------\n"
|
|
"; File Created by SDCC : FreeWare ANSI-C Compiler\n"};
|
|
|
|
char *iComments2 =
|
|
{
|
|
";--------------------------------------------------------\n"};
|
|
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* initialComments - puts in some initial comments */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
initialComments (FILE * afile)
|
|
{
|
|
time_t t;
|
|
time (&t);
|
|
fprintf (afile, "%s", iComments1);
|
|
fprintf (afile, "; Version %s %s\n", VersionString, asctime (localtime (&t)));
|
|
fprintf (afile, "%s", iComments2);
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printPublics - generates .global for publics */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printPublics (FILE * afile)
|
|
{
|
|
symbol *sym;
|
|
|
|
fprintf (afile, "%s", iComments2);
|
|
fprintf (afile, "; Public variables in this module\n");
|
|
fprintf (afile, "%s", iComments2);
|
|
|
|
for (sym = setFirstItem (publics); sym;
|
|
sym = setNextItem (publics))
|
|
tfprintf (afile, "\t!global\n", sym->rname);
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* printExterns - generates .global for externs */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
printExterns (FILE * afile)
|
|
{
|
|
symbol *sym;
|
|
|
|
fprintf (afile, "%s", iComments2);
|
|
fprintf (afile, "; Externals used\n");
|
|
fprintf (afile, "%s", iComments2);
|
|
|
|
for (sym = setFirstItem (externs); sym;
|
|
sym = setNextItem (externs))
|
|
tfprintf (afile, "\t!global\n", sym->rname);
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* emitOverlay - will emit code for the overlay stuff */
|
|
/*-----------------------------------------------------------------*/
|
|
static void
|
|
emitOverlay (FILE * afile)
|
|
{
|
|
set *ovrset;
|
|
|
|
if (!elementsInSet (ovrSetSets))
|
|
tfprintf (afile, "\t!area\n", port->mem.overlay_name);
|
|
|
|
/* for each of the sets in the overlay segment do */
|
|
for (ovrset = setFirstItem (ovrSetSets); ovrset;
|
|
ovrset = setNextItem (ovrSetSets))
|
|
{
|
|
|
|
symbol *sym;
|
|
|
|
if (elementsInSet (ovrset))
|
|
{
|
|
/* this dummy area is used to fool the assembler
|
|
otherwise the assembler will append each of these
|
|
declarations into one chunk and will not overlay
|
|
sad but true */
|
|
fprintf (afile, "\t.area _DUMMY\n");
|
|
/* output the area informtion */
|
|
fprintf (afile, "\t.area\t%s\n", port->mem.overlay_name); /* MOF */
|
|
}
|
|
|
|
for (sym = setFirstItem (ovrset); sym;
|
|
sym = setNextItem (ovrset))
|
|
{
|
|
|
|
/* if extern then add it to the publics tabledo 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 (!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->_isparm && !IS_REGPARM (sym->etype))
|
|
&& !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;
|
|
|
|
/* print extra debug info if required */
|
|
if (options.debug)
|
|
{
|
|
cdbSymbol (sym, cdbFile, FALSE, FALSE);
|
|
|
|
if (!sym->level)
|
|
{ /* global */
|
|
if (IS_STATIC (sym->etype))
|
|
fprintf (afile, "F%s$", moduleName); /* scope is file */
|
|
else
|
|
fprintf (afile, "G$"); /* scope is global */
|
|
}
|
|
else
|
|
/* symbol is local */
|
|
fprintf (afile, "L%s$",
|
|
(sym->localof ? sym->localof->name : "-null-"));
|
|
fprintf (afile, "%s$%d$%d", sym->name, sym->level, sym->block);
|
|
}
|
|
|
|
/* 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)
|
|
fprintf (afile, " == 0x%04x\n", SPEC_ADDR (sym->etype));
|
|
|
|
fprintf (afile, "%s\t=\t0x%04x\n",
|
|
sym->rname,
|
|
SPEC_ADDR (sym->etype));
|
|
}
|
|
else
|
|
{
|
|
if (options.debug)
|
|
fprintf (afile, "==.\n");
|
|
|
|
/* allocate space */
|
|
tfprintf (afile, "!labeldef\n", sym->rname);
|
|
tfprintf (afile, "\t!ds\n", (unsigned int) getSize (sym->type) & 0xffff);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
/*-----------------------------------------------------------------*/
|
|
/* glue - the final glue that hold the whole thing together */
|
|
/*-----------------------------------------------------------------*/
|
|
void
|
|
glue ()
|
|
{
|
|
FILE *vFile;
|
|
FILE *asmFile;
|
|
FILE *ovrFile = tempfile ();
|
|
|
|
addSetHead (&tmpfileSet, ovrFile);
|
|
/* 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 */
|
|
createInterruptVect (vFile);
|
|
}
|
|
|
|
addSetHead (&tmpfileSet, vFile);
|
|
|
|
/* emit code for the all the variables declared */
|
|
emitMaps ();
|
|
/* do the overlay segments */
|
|
emitOverlay (ovrFile);
|
|
|
|
/* now put it all together into the assembler file */
|
|
/* create the assembler file name */
|
|
|
|
if (!options.c1mode)
|
|
{
|
|
sprintf (scratchFileName, srcFileName);
|
|
strcat (scratchFileName, port->assembler.file_ext);
|
|
}
|
|
else
|
|
{
|
|
strcpy (scratchFileName, options.out_name);
|
|
}
|
|
|
|
if (!(asmFile = fopen (scratchFileName, "w")))
|
|
{
|
|
werror (E_FILE_OPEN_ERR, scratchFileName);
|
|
exit (1);
|
|
}
|
|
|
|
/* initial comments */
|
|
initialComments (asmFile);
|
|
|
|
/* print module name */
|
|
tfprintf (asmFile, "\t!module\n", moduleName);
|
|
tfprintf (asmFile, "\t!fileprelude\n");
|
|
|
|
/* Let the port generate any global directives, etc. */
|
|
if (port->genAssemblerPreamble)
|
|
{
|
|
port->genAssemblerPreamble (asmFile);
|
|
}
|
|
|
|
/* print the global variables in this module */
|
|
printPublics (asmFile);
|
|
if (port->assembler.externGlobal)
|
|
printExterns (asmFile);
|
|
|
|
/* copy the sfr segment */
|
|
fprintf (asmFile, "%s", iComments2);
|
|
fprintf (asmFile, "; special function registers\n");
|
|
fprintf (asmFile, "%s", iComments2);
|
|
copyFile (asmFile, sfr->oFile);
|
|
|
|
/* copy the sbit segment */
|
|
fprintf (asmFile, "%s", iComments2);
|
|
fprintf (asmFile, "; special function bits \n");
|
|
fprintf (asmFile, "%s", iComments2);
|
|
copyFile (asmFile, sfrbit->oFile);
|
|
|
|
/* copy the data segment */
|
|
fprintf (asmFile, "%s", iComments2);
|
|
fprintf (asmFile, "; internal ram data\n");
|
|
fprintf (asmFile, "%s", iComments2);
|
|
copyFile (asmFile, data->oFile);
|
|
|
|
|
|
/* 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);
|
|
|
|
/* copy the bit segment */
|
|
fprintf (asmFile, "%s", iComments2);
|
|
fprintf (asmFile, "; bit data\n");
|
|
fprintf (asmFile, "%s", iComments2);
|
|
copyFile (asmFile, bit->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);
|
|
|
|
/* 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);
|
|
|
|
/* 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.
|
|
*/
|
|
tfprintf (asmFile, "\t!area\n", port->mem.static_name); /* MOF */
|
|
tfprintf (asmFile, "\t!area\n", port->mem.post_static_name);
|
|
tfprintf (asmFile, "\t!area\n", port->mem.static_name);
|
|
|
|
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);
|
|
}
|
|
|
|
/* initialise the stack pointer */
|
|
/* if the user specified a value then use it */
|
|
if (options.stack_loc)
|
|
fprintf (asmFile, "\tmov\tsp,#%d\n", options.stack_loc);
|
|
else
|
|
/* no: we have to compute it */
|
|
if (!options.stackOnData && maxRegBank <= 3)
|
|
fprintf (asmFile, "\tmov\tsp,#%d\n", ((maxRegBank + 1) * 8) - 1);
|
|
else
|
|
fprintf (asmFile, "\tmov\tsp,#__start__stack\n"); /* MOF */
|
|
|
|
fprintf (asmFile, "\tlcall\t__sdcc_external_startup\n");
|
|
fprintf (asmFile, "\tmov\ta,dpl\n");
|
|
fprintf (asmFile, "\tjz\t__sdcc_init_data\n");
|
|
fprintf (asmFile, "\tljmp\t__sdcc_program_startup\n");
|
|
fprintf (asmFile, "__sdcc_init_data:\n");
|
|
|
|
}
|
|
copyFile (asmFile, statsg->oFile);
|
|
|
|
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.
|
|
*/
|
|
tfprintf (asmFile, "\t!area\n", port->mem.post_static_name);
|
|
fprintf (asmFile, "\tljmp\t__sdcc_program_startup\n");
|
|
}
|
|
|
|
fprintf (asmFile,
|
|
"%s"
|
|
"; Home\n"
|
|
"%s", iComments2, iComments2);
|
|
tfprintf (asmFile, "\t!areahome\n", HOME_NAME);
|
|
copyFile (asmFile, home->oFile);
|
|
|
|
/* copy over code */
|
|
fprintf (asmFile, "%s", iComments2);
|
|
fprintf (asmFile, "; code\n");
|
|
fprintf (asmFile, "%s", iComments2);
|
|
tfprintf (asmFile, "\t!areacode\n", CODE_NAME);
|
|
if (mainf && IFFUNC_HASBODY(mainf->type))
|
|
{
|
|
|
|
/* entry point @ start of CSEG */
|
|
fprintf (asmFile, "__sdcc_program_startup:\n");
|
|
|
|
/* put in the call to main */
|
|
fprintf (asmFile, "\tlcall\t_main\n");
|
|
if (options.mainreturn)
|
|
{
|
|
|
|
fprintf (asmFile, ";\treturn from main ; will return to caller\n");
|
|
fprintf (asmFile, "\tret\n");
|
|
|
|
}
|
|
else
|
|
{
|
|
|
|
fprintf (asmFile, ";\treturn from main will lock up\n");
|
|
fprintf (asmFile, "\tsjmp .\n");
|
|
}
|
|
}
|
|
copyFile (asmFile, code->oFile);
|
|
|
|
fclose (asmFile);
|
|
applyToSet (tmpfileSet, closeTmpFiles);
|
|
applyToSet (tmpfileNameSet, rmTmpFiles);
|
|
}
|
|
|
|
#if defined (__MINGW32__) || defined (__CYGWIN__) || defined (_MSC_VER)
|
|
void
|
|
rm_tmpfiles (void)
|
|
{
|
|
applyToSet (tmpfileSet, closeTmpFiles);
|
|
applyToSet (tmpfileNameSet, rmTmpFiles);
|
|
}
|
|
#endif
|
|
|
|
/** Creates a temporary file name a'la tmpnam which avoids the bugs
|
|
in cygwin wrt c:\tmp.
|
|
Scans, in order: TMP, TEMP, TMPDIR, else uses tmpfile().
|
|
*/
|
|
char *
|
|
tempfilename (void)
|
|
{
|
|
#if !defined(_MSC_VER)
|
|
const char *tmpdir = NULL;
|
|
if (getenv ("TMP"))
|
|
tmpdir = getenv ("TMP");
|
|
else if (getenv ("TEMP"))
|
|
tmpdir = getenv ("TEMP");
|
|
else if (getenv ("TMPDIR"))
|
|
tmpdir = getenv ("TMPDIR");
|
|
if (tmpdir)
|
|
{
|
|
char *name = tempnam (tmpdir, "sdcc");
|
|
if (name)
|
|
{
|
|
return name;
|
|
}
|
|
}
|
|
#endif
|
|
return tmpnam (NULL);
|
|
}
|
|
|
|
/** Creates a temporary file a'la tmpfile which avoids the bugs
|
|
in cygwin wrt c:\tmp.
|
|
Scans, in order: TMP, TEMP, TMPDIR, else uses tmpfile().
|
|
*/
|
|
FILE *
|
|
tempfile (void)
|
|
{
|
|
#if !defined(_MSC_VER)
|
|
const char *tmpdir = NULL;
|
|
if (getenv ("TMP"))
|
|
tmpdir = getenv ("TMP");
|
|
else if (getenv ("TEMP"))
|
|
tmpdir = getenv ("TEMP");
|
|
else if (getenv ("TMPDIR"))
|
|
tmpdir = getenv ("TMPDIR");
|
|
if (tmpdir)
|
|
{
|
|
char *name = Safe_strdup( tempnam (tmpdir, "sdcc"));
|
|
if (name)
|
|
{
|
|
FILE *fp = fopen (name, "w+b");
|
|
if (fp)
|
|
{
|
|
addSetHead (&tmpfileNameSet, name);
|
|
}
|
|
return fp;
|
|
}
|
|
return NULL;
|
|
}
|
|
#endif
|
|
return tmpfile ();
|
|
}
|
|
|