X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2FSDCCglue.c;h=fed61f89773ab1a04a98cb739c954fc1bd125920;hb=066cd8ebd4f07ca4e8777d238da4313f8915169f;hp=2f73b5725f74a97b3c8efeeb5e4d43e8be6af1cd;hpb=805c6d9139ff7b10562efd703bb4e5fdfd6736a5;p=fw%2Fsdcc diff --git a/src/SDCCglue.c b/src/SDCCglue.c index 2f73b572..fed61f89 100644 --- a/src/SDCCglue.c +++ b/src/SDCCglue.c @@ -44,9 +44,8 @@ set *externs = NULL; /* Variables that are declared as extern */ unsigned maxInterrupts = 0; int allocInfo = 1; symbol *mainf; -set *pipeSet = NULL; /* set of pipes */ -set *tmpfileSet = NULL; /* set of tmp file created by the compiler */ -set *tmpfileNameSet = NULL; /* All are unlinked at close. */ +int noInit = 0; /* no initialization */ + /*-----------------------------------------------------------------*/ /* closePipes - closes all pipes created by the compiler */ @@ -184,10 +183,9 @@ emitRegularMap (memmap * map, bool addPublics, bool arFlag) dbuf_tprintf (&map->oBuf, "\t!area\n", map->sname); } - for (sym = setFirstItem (map->syms); sym; - sym = setNextItem (map->syms)) + for (sym = setFirstItem (map->syms); sym; sym = setNextItem (map->syms)) { - symbol *newSym=NULL; + symbol *newSym = NULL; /* if extern then add it into the extern list */ if (IS_EXTERN (sym->etype)) @@ -207,9 +205,10 @@ emitRegularMap (memmap * map, bool addPublics, bool arFlag) /* for bitvar locals and parameters */ if (!arFlag && !sym->allocreq && sym->level - && !SPEC_ABSA (sym->etype)) { - continue; - } + && !SPEC_ABSA (sym->etype)) + { + continue; + } /* if global variable & not static or extern and addPublics allowed then add it to the public set */ @@ -217,7 +216,7 @@ emitRegularMap (memmap * map, bool addPublics, bool arFlag) (sym->_isparm && !IS_REGPARM (sym->etype))) && addPublics && !IS_STATIC (sym->etype) && - (IS_FUNC(sym->type) ? (sym->used || IFFUNC_HASBODY(sym->type)) : 1)) + (IS_FUNC (sym->type) ? (sym->used || IFFUNC_HASBODY (sym->type)) : 1)) { addSetHead (&publics, sym); } @@ -247,95 +246,110 @@ emitRegularMap (memmap * map, bool addPublics, bool arFlag) /* if it has an initial value then do it only if it is a global variable */ - if (sym->ival && sym->level == 0) { - if ((SPEC_OCLS(sym->etype)==xidata) && !SPEC_ABSA (sym->etype)) { - /* create a new "XINIT (CODE)" symbol, that will be emitted later - in the static seg */ - newSym=copySymbol (sym); - SPEC_OCLS(newSym->etype)=xinit; - SNPRINTF (newSym->name, sizeof(newSym->name), "__xinit_%s", sym->name); - SNPRINTF (newSym->rname, sizeof(newSym->rname), "__xinit_%s", sym->rname); - if (IS_SPEC (newSym->type)) - SPEC_CONST (newSym->type) = 1; - else - DCL_PTR_CONST (newSym->type) = 1; - SPEC_STAT(newSym->etype)=1; - resolveIvalSym(newSym->ival, newSym->type); + if (sym->ival && sym->level == 0) + { + if ((SPEC_OCLS (sym->etype) == xidata) && !SPEC_ABSA (sym->etype)) + { + /* create a new "XINIT (CODE)" symbol, that will be emitted later + in the static seg */ + newSym=copySymbol (sym); + SPEC_OCLS(newSym->etype)=xinit; + SNPRINTF (newSym->name, sizeof(newSym->name), "__xinit_%s", sym->name); + SNPRINTF (newSym->rname, sizeof(newSym->rname), "__xinit_%s", sym->rname); + if (IS_SPEC (newSym->type)) + SPEC_CONST (newSym->type) = 1; + else + DCL_PTR_CONST (newSym->type) = 1; + SPEC_STAT(newSym->etype)=1; + resolveIvalSym(newSym->ival, newSym->type); - // add it to the "XINIT (CODE)" segment - addSet(&xinit->syms, newSym); + // add it to the "XINIT (CODE)" segment + addSet(&xinit->syms, newSym); - if (!SPEC_ABSA (sym->etype)) + if (!SPEC_ABSA (sym->etype)) + { + struct dbuf_s tmpBuf; + + dbuf_init(&tmpBuf, 4096); + // before allocation we must parse the sym->ival tree + // but without actually generating initialization code + ++noAlloc; + resolveIvalSym (sym->ival, sym->type); + ++noInit; + printIval (sym, sym->type, sym->ival, &tmpBuf); + --noInit; + --noAlloc; + dbuf_destroy(&tmpBuf); + } + } + else { - struct dbuf_s tmpBuf; + if (IS_AGGREGATE (sym->type)) + { + ival = initAggregates (sym, sym->ival, NULL); + } + else + { + if (getNelements (sym->type, sym->ival)>1) + { + werrorfl (sym->fileDef, sym->lineDef, W_EXCESS_INITIALIZERS, "scalar", sym->name); + } + ival = newNode ('=', newAst_VALUE (symbolVal (sym)), + decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_TYPE_NONE)); + } + codeOutBuf = &statsg->oBuf; - dbuf_init(&tmpBuf, 4096); - // before allocation we must parse the sym->ival tree - // but without actually generating initialization code - noAlloc++; - resolveIvalSym (sym->ival, sym->type); - printIval (sym, sym->type, sym->ival, &tmpBuf); - noAlloc--; - dbuf_destroy(&tmpBuf); - } - } else { - if (IS_AGGREGATE (sym->type)) { - ival = initAggregates (sym, sym->ival, NULL); - } else { - if (getNelements(sym->type, sym->ival)>1) { - werrorfl (sym->fileDef, sym->lineDef, W_EXCESS_INITIALIZERS, "scalar", - sym->name); - } - ival = newNode ('=', newAst_VALUE (symbolVal (sym)), - decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_TYPE_NONE)); - } - codeOutBuf = &statsg->oBuf; - - if (ival) { - // set ival's lineno to where the symbol was defined - setAstLineno (ival, lineno=sym->lineDef); - // check if this is not a constant expression - if (!constExprTree(ival)) { - werror (E_CONST_EXPECTED, "found expression"); - // but try to do it anyway + if (ival) + { + // set ival's lineno to where the symbol was defined + setAstFileLine (ival, filename = sym->fileDef, lineno = sym->lineDef); + // check if this is not a constant expression + if (!constExprTree (ival)) + { + werror (E_CONST_EXPECTED, "found expression"); + // but try to do it anyway + } + allocInfo = 0; + if (!astErrors (ival)) + eBBlockFromiCode (iCodeFromAst (ival)); + allocInfo = 1; + } } - allocInfo = 0; - if (!astErrors(ival)) - eBBlockFromiCode (iCodeFromAst (ival)); - allocInfo = 1; - } } - } /* if it has an absolute address then generate an equate for this no need to allocate space */ if (SPEC_ABSA (sym->etype) && !sym->ival) { - char *equ="="; + char *equ = "="; if (options.debug) { dbuf_printf (&map->oBuf, " == 0x%04x\n", SPEC_ADDR (sym->etype)); } - if (TARGET_IS_XA51) { - if (map==sfr) { - equ="sfr"; - } else if (map==bit || map==sfrbit) { - equ="bit"; + if (TARGET_IS_XA51) + { + if (map == sfr) + { + equ = "sfr"; + } + else if (map == bit || map == sfrbit) + { + equ="bit"; + } } - } - dbuf_printf (&map->oBuf, "%s\t%s\t0x%04x\n", - sym->rname, equ, - SPEC_ADDR (sym->etype)); + dbuf_printf (&map->oBuf, "%s\t%s\t0x%04x\n", sym->rname, equ, SPEC_ADDR (sym->etype)); } else { int size = getSize (sym->type) + sym->flexArrayLength; - if (size==0) { - werrorfl (sym->fileDef, sym->lineDef, E_UNKNOWN_SIZE, sym->name); - } + if (size == 0) + { + werrorfl (sym->fileDef, sym->lineDef, E_UNKNOWN_SIZE, sym->name); + } /* allocate space */ - if (options.debug) { - dbuf_printf (&map->oBuf, "==.\n"); - } + if (options.debug) + { + dbuf_printf (&map->oBuf, "==.\n"); + } if (SPEC_ABSA (sym->etype)) { dbuf_tprintf (&map->oBuf, "\t!org\n", SPEC_ADDR (sym->etype)); @@ -633,6 +647,13 @@ printIvalType (symbol *sym, sym_link * type, initList * ilist, struct dbuf_s * o val = constCharVal (0); } + /* check if the literal value is within bounds */ + if (checkConstantRange (type, val->etype, '=', FALSE) == CCR_OVL && + !options.lessPedantic) + { + werror (W_LIT_OVERFLOW); + } + if (val->type != type) { val = valCastLiteral(type, floatFromVal(val)); } @@ -684,7 +705,6 @@ void printIvalBitFields(symbol **sym, initList **ilist, struct dbuf_s * oBuf) unsigned long ival = 0; int size =0; - do { unsigned long i; val = list2val(lilist); @@ -697,14 +717,22 @@ void printIvalBitFields(symbol **sym, initList **ilist, struct dbuf_s * oBuf) size = ((SPEC_BLEN (lsym->etype) / 8) + (SPEC_BLEN (lsym->etype) % 8 ? 1 : 0)); } + + /* check if the literal value is within bounds */ + if (checkConstantRange (lsym->etype, val->etype, '=', FALSE) == CCR_OVL && + !options.lessPedantic) + { + werror (W_LIT_OVERFLOW); + } i = ulFromVal(val); + i &= (1 << SPEC_BLEN (lsym->etype)) - 1; 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; + lilist = lilist ? lilist->next : NULL; } while (1); switch (size) { case 1: @@ -714,9 +742,9 @@ void printIvalBitFields(symbol **sym, initList **ilist, struct dbuf_s * oBuf) case 2: dbuf_tprintf (oBuf, "\t!dw !constword\n",ival); break; - case 4: /* EEP: why is this db and not dw? */ - dbuf_tprintf (oBuf, "\t!db !constword,!constword\n", - (ival >> 8) & 0xffff, (ival & 0xffff)); + case 4: + dbuf_tprintf (oBuf, "\t!dw !constword,!constword\n", + (ival >> 16) & 0xffff, (ival & 0xffff)); break; } *sym = lsym; @@ -1035,7 +1063,7 @@ printIvalCharPtr (symbol * sym, sym_link * type, value * val, struct dbuf_s * oB } } - if (val->sym && val->sym->isstrlit && !isinSet(statsg->syms, val->sym)) { + if (!noInit && val->sym && val->sym->isstrlit && !isinSet(statsg->syms, val->sym)) { addSet (&statsg->syms, val->sym); } @@ -1230,21 +1258,23 @@ emitStaticSeg (memmap * map, struct dbuf_s * oBuf) } /* print extra debug info if required */ - if (options.debug) { - - if (!sym->level) - { /* global */ - if (IS_STATIC (sym->etype)) - dbuf_printf (oBuf, "F%s$", moduleName); /* scope is file */ - else - dbuf_printf (oBuf, "G$"); /* scope is global */ - } - else - /* symbol is local */ - dbuf_printf (oBuf, "L%s$", - (sym->localof ? sym->localof->name : "-null-")); - dbuf_printf (oBuf, "%s$%d$%d", sym->name, sym->level, sym->block); - } + if (options.debug) + { + if (!sym->level) + { /* global */ + if (IS_STATIC (sym->etype)) + dbuf_printf (oBuf, "F%s$", moduleName); /* scope is file */ + else + dbuf_printf (oBuf, "G$"); /* scope is global */ + } + else + { + /* symbol is local */ + dbuf_printf (oBuf, "L%s$", + (sym->localof ? sym->localof->name : "-null-")); + } + dbuf_printf (oBuf, "%s$%d$%d", sym->name, sym->level, sym->block); + } /* if it has an absolute address and no initializer */ if (SPEC_ABSA (sym->etype) && !sym->ival) @@ -1411,7 +1441,7 @@ initialComments (FILE * afile) time (&t); fprintf (afile, "%s", iComments1); fprintf (afile, "; Version " SDCC_VERSION_STR " #%s (%s) (%s)\n", - getBuildNumber(), __DATE__, getBuildEnvironment()); + getBuildNumber(), getBuildDate(), getBuildEnvironment()); fprintf (afile, "; This file was generated %s", asctime (localtime (&t))); fprintf (afile, "%s", iComments2); } @@ -1531,7 +1561,8 @@ emitOverlay (struct dbuf_s * aBuf) sym->rname, SPEC_ADDR (sym->etype)); } - else { + else + { int size = getSize(sym->type); if (size==0) {