#include "common.h"
/* memory segments */
-memmap *xstack = NULL; /* xternal stack data */
-memmap *istack = NULL; /* internal stack */
-memmap *code = NULL; /* code segment */
-memmap *data = NULL; /* internal data upto 128 */
-memmap *pdata = NULL; /* paged external data */
-memmap *xdata = NULL; /* external data */
+memmap *xstack = NULL; /* xternal stack data */
+memmap *istack = NULL; /* internal stack */
+memmap *code = NULL; /* code segment */
+memmap *data = NULL; /* internal data upto 128 */
+memmap *pdata = NULL; /* paged external data */
+memmap *xdata = NULL; /* external data */
memmap *xidata = NULL; /* the initialized xdata */
memmap *xinit = NULL; /* the initializers for xidata */
-memmap *idata = NULL; /* internal data upto 256 */
-memmap *bit = NULL; /* bit addressable space */
-memmap *statsg = NULL; /* the constant data segment */
-memmap *sfr = NULL; /* register space */
-memmap *reg = NULL; /* register space */
-memmap *sfrbit = NULL; /* sfr bit space */
-memmap *generic = NULL; /* is a generic pointer */
-memmap *overlay = NULL; /* overlay segment */
-memmap *eeprom = NULL; /* eeprom location */
-memmap *home = NULL; /* Unswitchable code bank */
+memmap *idata = NULL; /* internal data upto 256 */
+memmap *bit = NULL; /* bit addressable space */
+memmap *statsg = NULL; /* the constant data segment */
+memmap *sfr = NULL; /* register space */
+memmap *reg = NULL; /* register space */
+memmap *sfrbit = NULL; /* sfr bit space */
+memmap *generic = NULL; /* is a generic pointer */
+memmap *overlay = NULL; /* overlay segment */
+memmap *eeprom = NULL; /* eeprom location */
+memmap *home = NULL; /* Unswitchable code bank */
/* this is a set of sets each set containing
symbols in a single overlay */
set *ovrSetSets = NULL;
int maxRegBank = 0;
-int fatalError = 0; /* fatal error flag */
+int fatalError = 0; /* fatal error flag */
/*-----------------------------------------------------------------*/
/* allocMap - allocates a memory map */
/*-----------------------------------------------------------------*/
memmap *
-allocMap (char rspace, /* sfr space */
- char farmap, /* far or near segment */
- char paged, /* can this segment be paged */
- char direct, /* directly addressable */
- char bitaddr, /* bit addressable space */
- char codemap, /* this is code space */
- unsigned sloc, /* starting location */
- const char *name, /* 2 character name */
- char dbName, /* debug name */
- int ptrType /* pointer type for this space */
+allocMap (char rspace, /* sfr space */
+ char farmap, /* far or near segment */
+ char paged, /* can this segment be paged */
+ char direct, /* directly addressable */
+ char bitaddr, /* bit addressable space */
+ char codemap, /* this is code space */
+ unsigned sloc, /* starting location */
+ const char *name, /* 2 character name */
+ char dbName, /* debug name */
+ int ptrType /* pointer type for this space */
)
{
memmap *map;
/*-----------------------------------------------------------------*/
/* initMem - allocates and initializes all the segments */
/*-----------------------------------------------------------------*/
-void
+void
initMem ()
{
/* allocate all the segments */
- /* xternal stack segment ;
+ /* xternal stack segment ;
SFRSPACE - NO
FAR-SPACE - YES
PAGED - YES
DIRECT-ACCESS - NO
BIT-ACCESS - NO
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'A'
POINTER-TYPE - FPOINTER
*/
xstack = allocMap (0, 1, 1, 0, 0, 0, options.xstack_loc, XSTACK_NAME, 'A', PPOINTER);
- /* internal stack segment ;
+ /* internal stack segment ;
SFRSPACE - NO
FAR-SPACE - NO
PAGED - NO
DIRECT-ACCESS - NO
BIT-ACCESS - NO
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'B'
POINTER-TYPE - POINTER
*/
if (ISTACK_NAME) {
- istack = allocMap (0, 0, 0, 0, 0, 0, options.stack_loc,
- ISTACK_NAME, 'B', POINTER);
+ istack = allocMap (0, 0, 0, 0, 0, 0, options.stack_loc,
+ ISTACK_NAME, 'B', POINTER);
} else {
istack=NULL;
}
- /* code segment ;
+ /* code segment ;
SFRSPACE - NO
FAR-SPACE - YES
PAGED - NO
DIRECT-ACCESS - NO
BIT-ACCESS - NO
- CODE-ACESS - YES
+ CODE-ACESS - YES
DEBUG-NAME - 'C'
POINTER-TYPE - CPOINTER
*/
code = allocMap (0, 1, 0, 0, 0, 1, options.code_loc, CODE_NAME, 'C', CPOINTER);
- /* home segment ;
+ /* home segment ;
SFRSPACE - NO
FAR-SPACE - YES
PAGED - NO
DIRECT-ACCESS - NO
BIT-ACCESS - NO
- CODE-ACESS - YES
+ CODE-ACESS - YES
DEBUG-NAME - 'C'
POINTER-TYPE - CPOINTER
*/
PAGED - NO
DIRECT-ACCESS - NO
BIT-ACCESS - NO
- CODE-ACESS - YES
+ CODE-ACESS - YES
DEBUG-NAME - 'D'
POINTER-TYPE - CPOINTER
*/
PAGED - NO
DIRECT-ACCESS - YES
BIT-ACCESS - NO
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'E'
POINTER-TYPE - POINTER
*/
PAGED - NO
DIRECT-ACCESS - YES
BIT-ACCESS - NO
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'E'
POINTER-TYPE - POINTER
*/
pdata = NULL;
}
- /* Xternal Data segment -
+ /* Xternal Data segment -
SFRSPACE - NO
FAR-SPACE - YES
PAGED - NO
DIRECT-ACCESS - NO
BIT-ACCESS - NO
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'F'
POINTER-TYPE - FPOINTER
*/
PAGED - NO
DIRECT-ACCESS - NO
BIT-ACCESS - NO
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'G'
POINTER-TYPE - IPOINTER
*/
if (IDATA_NAME) {
- idata = allocMap (0, 0, 0, 0, 0, 0, options.idata_loc,
- IDATA_NAME, 'G', IPOINTER);
+ idata = allocMap (0, 0, 0, 0, 0, 0, options.idata_loc,
+ IDATA_NAME, 'G', IPOINTER);
} else {
- idata = NULL;
+ idata=NULL;
}
/* Static segment (code for variables );
PAGED - NO
DIRECT-ACCESS - YES
BIT-ACCESS - YES
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'H'
POINTER-TYPE - _NONE_
*/
PAGED - NO
DIRECT-ACCESS - YES
BIT-ACCESS - NO
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'I'
POINTER-TYPE - _NONE_
*/
PAGED - NO
DIRECT-ACCESS - NO
BIT-ACCESS - NO
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - ' '
POINTER-TYPE - _NONE_
*/
reg = allocMap (1, 0, 0, 0, 0, 0, 0, REG_NAME, ' ', 0);
- /* SFR bit space
+ /* SFR bit space
SFRSPACE - YES
FAR-SPACE - NO
PAGED - NO
DIRECT-ACCESS - YES
BIT-ACCESS - YES
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'J'
POINTER-TYPE - _NONE_
*/
sfrbit = allocMap (1, 0, 0, 1, 1, 0, 0, REG_NAME, 'J', 0);
- /* EEPROM bit space
+ /* EEPROM bit space
SFRSPACE - NO
FAR-SPACE - YES
PAGED - NO
DIRECT-ACCESS - NO
BIT-ACCESS - NO
- CODE-ACESS - NO
+ CODE-ACESS - NO
DEBUG-NAME - 'K'
POINTER-TYPE - EEPPOINTER
*/
/*-----------------------------------------------------------------*/
/* allocIntoSeg - puts a symbol into a memory segment */
/*-----------------------------------------------------------------*/
-void
+void
allocIntoSeg (symbol * sym)
{
memmap *segment = SPEC_OCLS (sym->etype);
/*-----------------------------------------------------------------*/
/* deleteFromSeg - deletes a symbol from segment used when a var */
-/* firest declared as "extern" then no extern */
+/* first declared as "extern" then no extern */
/*-----------------------------------------------------------------*/
void deleteFromSeg(symbol *sym)
{
if (SPEC_OCLS(sym->etype)) {
- memmap *segment = SPEC_OCLS (sym->etype);
- deleteSetItem(&segment->syms,sym);
+ memmap *segment = SPEC_OCLS (sym->etype);
+ deleteSetItem(&segment->syms,sym);
}
}
/*-----------------------------------------------------------------*/
/* allocGlobal - assigns the output segment to a global var */
/*-----------------------------------------------------------------*/
-void
+void
allocGlobal (symbol * sym)
{
/* symbol name is internal name */
- if (!sym->level) /* local statics can come here */
- SNPRINTF (sym->rname, sizeof(sym->rname),
- "%s%s", port->fun_prefix, sym->name);
+ if (!sym->level) /* local statics can come here */
+ SNPRINTF (sym->rname, sizeof(sym->rname),
+ "%s%s", port->fun_prefix, sym->name);
/* add it to the operandKey reset */
if (!isinSet (operKeyReset, sym)) {
then put it in the interrupt service array */
if (FUNC_ISISR (sym->type) && !options.noiv
&& (FUNC_INTNO (sym->type) != INTNO_UNSPEC))
- {
+ {
if (interrupts[FUNC_INTNO (sym->type)])
werror (E_INT_DEFINED,
FUNC_INTNO (sym->type),
/* automagically extend the maximum interrupts */
if (FUNC_INTNO (sym->type) >= maxInterrupts)
maxInterrupts = FUNC_INTNO (sym->type) + 1;
- }
+ }
/* if it is not compiler defined */
if (!sym->cdef)
allocIntoSeg (sym);
{
SPEC_OCLS (sym->etype) =
- (SPEC_SCLS (sym->etype) == S_SFR ? sfr : sfrbit);
+ (SPEC_SCLS (sym->etype) == S_SFR ? sfr : sfrbit);
allocIntoSeg (sym);
return;
if(!TARGET_IS_PIC16 || (TARGET_IS_PIC16 && sym->level))
/* register storage class ignored changed to FIXED */
- if (SPEC_SCLS (sym->etype) == S_REGISTER)
- SPEC_SCLS (sym->etype) = S_FIXED;
+ if (SPEC_SCLS (sym->etype) == S_REGISTER)
+ SPEC_SCLS (sym->etype) = S_FIXED;
/* if data specified then */
if (SPEC_SCLS (sym->etype) == S_DATA)
{
// should we move this to the initialized data segment?
if (port->genXINIT &&
- sym->ival && (sym->level==0) && !SPEC_ABSA(sym->etype)) {
+ sym->ival && (sym->level==0) && !SPEC_ABSA(sym->etype)) {
SPEC_OCLS(sym->etype)=xidata;
} else {
SPEC_OCLS (sym->etype) = xdata;
/*-----------------------------------------------------------------*/
/* allocParms - parameters are always passed on stack */
/*-----------------------------------------------------------------*/
-void
+void
allocParms (value * val)
{
value *lval;
if (lval->sym)
lval->sym->onStack = 1;
- /* choose which stack 2 use */
- /* use xternal stack */
- if (options.useXstack)
- {
- /* PENDING: stack direction support */
- SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) = xstack;
- SPEC_STAK (lval->etype) = SPEC_STAK (lval->sym->etype) = lval->sym->stack =
- xstackPtr - getSize (lval->type);
- xstackPtr -= getSize (lval->type);
- }
- else
- { /* use internal stack */
- SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) = istack;
- if (port->stack.direction > 0)
- {
- SPEC_STAK (lval->etype) = SPEC_STAK (lval->sym->etype) = lval->sym->stack =
- stackPtr - (FUNC_REGBANK (currFunc->type) ? port->stack.bank_overhead : 0) -
- getSize (lval->type) -
- (FUNC_ISISR (currFunc->type) ? port->stack.isr_overhead : 0);
- stackPtr -= getSize (lval->type);
- }
- else
- {
- /* This looks like the wrong order but it turns out OK... */
- /* PENDING: isr, bank overhead, ... */
- SPEC_STAK (lval->etype) = SPEC_STAK (lval->sym->etype) = lval->sym->stack =
- stackPtr +
- ((IFFUNC_ISBANKEDCALL (currFunc->type) && !SPEC_STAT(getSpec(currFunc->etype)))? port->stack.banked_overhead : 0) +
- (FUNC_ISISR (currFunc->type) ? port->stack.isr_overhead : 0) +
- 0;
- stackPtr += getSize (lval->type);
- }
- }
- allocIntoSeg (lval->sym);
- }
+ /* choose which stack 2 use */
+ /* use xternal stack */
+ if (options.useXstack)
+ {
+ /* PENDING: stack direction support */
+ SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) = xstack;
+ SPEC_STAK (lval->etype) = SPEC_STAK (lval->sym->etype) = lval->sym->stack =
+ xstackPtr - getSize (lval->type);
+ xstackPtr -= getSize (lval->type);
+ }
+ else
+ { /* use internal stack */
+ SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) = istack;
+ if (port->stack.direction > 0)
+ {
+ SPEC_STAK (lval->etype) = SPEC_STAK (lval->sym->etype) = lval->sym->stack =
+ stackPtr - (FUNC_REGBANK (currFunc->type) ? port->stack.bank_overhead : 0) -
+ getSize (lval->type) -
+ (FUNC_ISISR (currFunc->type) ? port->stack.isr_overhead : 0);
+ stackPtr -= getSize (lval->type);
+ }
+ else
+ {
+ /* This looks like the wrong order but it turns out OK... */
+ /* PENDING: isr, bank overhead, ... */
+ SPEC_STAK (lval->etype) = SPEC_STAK (lval->sym->etype) = lval->sym->stack =
+ stackPtr +
+ ((IFFUNC_ISBANKEDCALL (currFunc->type) && !SPEC_STAT(getSpec(currFunc->etype)))? port->stack.banked_overhead : 0) +
+ (FUNC_ISISR (currFunc->type) ? port->stack.isr_overhead : 0) +
+ 0;
+ stackPtr += getSize (lval->type);
+ }
+ }
+ allocIntoSeg (lval->sym);
+ }
else
- { /* allocate them in the automatic space */
- /* generate a unique name */
- SNPRINTF (lval->sym->rname, sizeof(lval->sym->rname),
- "%s%s_PARM_%d", port->fun_prefix, currFunc->name, pNum);
- strncpyz (lval->name, lval->sym->rname, sizeof(lval->name));
-
- /* if declared in external storage */
- if (SPEC_SCLS (lval->etype) == S_XDATA)
- SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) = xdata;
- else
- /* other wise depending on the memory model
- note here that we put it into the overlay segment
- first, we will remove it from the overlay segment
- after the overlay determination has been done */
- if (options.model == MODEL_SMALL)
- {
- SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) =
- (options.noOverlay ? port->mem.default_local_map
- : overlay);
- }
- else
- {
- SPEC_SCLS (lval->etype) = S_XDATA;
- SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) = xdata;
- }
- allocIntoSeg (lval->sym);
- }
+ { /* allocate them in the automatic space */
+ /* generate a unique name */
+ SNPRINTF (lval->sym->rname, sizeof(lval->sym->rname),
+ "%s%s_PARM_%d", port->fun_prefix, currFunc->name, pNum);
+ strncpyz (lval->name, lval->sym->rname, sizeof(lval->name));
+
+ /* if declared in external storage */
+ if (SPEC_SCLS (lval->etype) == S_XDATA)
+ SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) = xdata;
+ else if (SPEC_SCLS (lval->etype) == S_BIT)
+ SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) = bit;
+ else
+ /* otherwise depending on the memory model
+ note here that we put it into the overlay segment
+ first, we will remove it from the overlay segment
+ after the overlay determination has been done */
+ if (options.model == MODEL_SMALL)
+ {
+ SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) =
+ (options.noOverlay ? port->mem.default_local_map
+ : overlay);
+ }
+ else
+ {
+ SPEC_SCLS (lval->etype) = S_XDATA;
+ SPEC_OCLS (lval->etype) = SPEC_OCLS (lval->sym->etype) = xdata;
+ }
+ allocIntoSeg (lval->sym);
+ }
}
return;
/*-----------------------------------------------------------------*/
/* deallocParms - parameters are always passed on stack */
/*-----------------------------------------------------------------*/
-void
+void
deallocParms (value * val)
{
value *lval;
deleteSym (SymbolTab, lval->sym, lval->sym->name);
if (!lval->sym->isref)
- {
- lval->sym->allocreq = 0;
- werror (W_NO_REFERENCE,
- currFunc ? currFunc->name : "(unknown)",
- "function argument", lval->sym->name);
- }
+ {
+ lval->sym->allocreq = 0;
+ werror (W_NO_REFERENCE,
+ currFunc ? currFunc->name : "(unknown)",
+ "function argument", lval->sym->name);
+ }
/* move the rname if any to the name for both val & sym */
/* and leave a copy of it in the symbol table */
if (lval->sym->rname[0])
- {
- char buffer[SDCC_NAME_MAX];
- strncpyz (buffer, lval->sym->rname, sizeof(buffer));
- lval->sym = copySymbol (lval->sym);
- strncpyz (lval->sym->rname, buffer, sizeof(lval->sym->rname));
- strncpyz (lval->sym->name, buffer, sizeof(lval->sym->name));
- strncpyz (lval->name, buffer, sizeof(lval->name));
- addSym (SymbolTab, lval->sym, lval->sym->name,
- lval->sym->level, lval->sym->block, 1);
- lval->sym->_isparm = 1;
- if (!isinSet (operKeyReset, lval->sym)) {
- addSet(&operKeyReset, lval->sym);
- }
- }
+ {
+ char buffer[SDCC_NAME_MAX];
+ strncpyz (buffer, lval->sym->rname, sizeof(buffer));
+ lval->sym = copySymbol (lval->sym);
+ strncpyz (lval->sym->rname, buffer, sizeof(lval->sym->rname));
+ strncpyz (lval->sym->name, buffer, sizeof(lval->sym->name));
+ strncpyz (lval->name, buffer, sizeof(lval->name));
+ addSym (SymbolTab, lval->sym, lval->sym->name,
+ lval->sym->level, lval->sym->block, 1);
+ lval->sym->_isparm = 1;
+ if (!isinSet (operKeyReset, lval->sym)) {
+ addSet(&operKeyReset, lval->sym);
+ }
+ }
}
/*-----------------------------------------------------------------*/
/* allocLocal - allocate local variables */
/*-----------------------------------------------------------------*/
-void
+void
allocLocal (symbol * sym)
{
/* generate an unique name */
- SNPRINTF (sym->rname, sizeof(sym->rname),
- "%s%s_%s_%d_%d",
- port->fun_prefix,
- currFunc->name, sym->name, sym->level, sym->block);
+ SNPRINTF (sym->rname, sizeof(sym->rname),
+ "%s%s_%s_%d_%d",
+ port->fun_prefix,
+ currFunc->name, sym->name, sym->level, sym->block);
sym->islocal = 1;
sym->localof = currFunc;
} else {
SPEC_OCLS (sym->etype) = istack;
if (port->stack.direction > 0) {
- SPEC_STAK (sym->etype) = sym->stack = (stackPtr + 1);
- stackPtr += getSize (sym->type);
+ SPEC_STAK (sym->etype) = sym->stack = (stackPtr + 1);
+ stackPtr += getSize (sym->type);
} else {
- stackPtr -= getSize (sym->type);
- SPEC_STAK (sym->etype) = sym->stack = stackPtr;
+ stackPtr -= getSize (sym->type);
+ SPEC_STAK (sym->etype) = sym->stack = stackPtr;
}
}
allocIntoSeg (sym);
return;
}
-
+
/* else depending on the storage class specified */
if (SPEC_SCLS (sym->etype) == S_XDATA)
{
allocIntoSeg (sym);
return;
}
-
+
if (SPEC_SCLS (sym->etype) == S_IDATA)
{
SPEC_OCLS (sym->etype) = idata;
SPEC_SCLS (sym->etype) == S_SBIT)
{
SPEC_OCLS (sym->etype) =
- (SPEC_SCLS (sym->etype) == S_SFR ? sfr : sfrbit);
+ (SPEC_SCLS (sym->etype) == S_SFR ? sfr : sfrbit);
allocIntoSeg (sym);
return;
}
/* again note that we have put it into the overlay segment
- will remove and put into the 'data' segment if required after
+ will remove and put into the 'data' segment if required after
overlay analysis has been done */
if (options.model == MODEL_SMALL) {
- SPEC_OCLS (sym->etype) =
- (options.noOverlay ? port->mem.default_local_map
- : overlay);
+ SPEC_OCLS (sym->etype) =
+ (options.noOverlay ? port->mem.default_local_map
+ : overlay);
} else {
SPEC_OCLS (sym->etype) = port->mem.default_local_map;
}
/*-----------------------------------------------------------------*/
/* deallocLocal - deallocates the local variables */
/*-----------------------------------------------------------------*/
-void
+void
deallocLocal (symbol * csym)
{
symbol *sym;
for (sym = csym; sym; sym = sym->next)
{
- if (sym->_isparm)
- continue;
+ if (sym->_isparm)
+ continue;
/* if it is on the stack */
if (sym->onStack)
- {
- if (options.useXstack)
- xstackPtr -= getSize (sym->type);
- else
- stackPtr -= getSize (sym->type);
- }
+ {
+ if (options.useXstack)
+ xstackPtr -= getSize (sym->type);
+ else
+ stackPtr -= getSize (sym->type);
+ }
/* if not used give a warning */
if (!sym->isref && !IS_STATIC (sym->etype))
- werror (W_NO_REFERENCE,
- currFunc ? currFunc->name : "(unknown)",
- "local variable", sym->name);
+ werror (W_NO_REFERENCE,
+ currFunc ? currFunc->name : "(unknown)",
+ "local variable", sym->name);
/* now delete it from the symbol table */
deleteSym (SymbolTab, sym, sym->name);
}
/*-----------------------------------------------------------------*/
/* overlay2data - moves declarations from the overlay seg to data */
/*-----------------------------------------------------------------*/
-void
+void
overlay2data ()
{
symbol *sym;
/* overlay2Set - will add all symbols from the overlay segment to */
/* the set of sets containing the overlable symbols */
/*-----------------------------------------------------------------*/
-void
+void
overlay2Set ()
{
symbol *sym;
/*-----------------------------------------------------------------*/
/* allocVariables - creates decl & assign storage class for a v */
/*-----------------------------------------------------------------*/
-int
+int
allocVariables (symbol * symChain)
{
symbol *sym;
/* if this is a typedef then add it */
/* to the typedef table */
if (IS_TYPEDEF (sym->etype))
- {
- /* check if the typedef already exists */
- csym = findSym (TypedefTab, NULL, sym->name);
- if (csym && csym->level == sym->level)
- werror (E_DUPLICATE_TYPEDEF, sym->name);
-
- SPEC_EXTR (sym->etype) = 0;
- addSym (TypedefTab, sym, sym->name, sym->level, sym->block, 0);
- continue; /* go to the next one */
- }
+ {
+ /* check if the typedef already exists */
+ csym = findSym (TypedefTab, NULL, sym->name);
+ if (csym && csym->level == sym->level)
+ werror (E_DUPLICATE_TYPEDEF, sym->name);
+
+ SPEC_EXTR (sym->etype) = 0;
+ addSym (TypedefTab, sym, sym->name, sym->level, sym->block, 0);
+ continue; /* go to the next one */
+ }
/* make sure it already exist */
csym = findSymWithLevel (SymbolTab, sym);
if (!csym || (csym && csym->level != sym->level))
- csym = sym;
+ csym = sym;
/* check the declaration */
checkDecl (csym,0);
/* if this is a extern variable then change the */
/* level to zero temporarily */
if (IS_EXTERN (csym->etype) || IS_FUNC (csym->type))
- {
- saveLevel = csym->level;
- csym->level = 0;
- }
+ {
+ saveLevel = csym->level;
+ csym->level = 0;
+ }
/* if this is a literal then it is an enumerated */
/* type so need not allocate it space for it */
if (IS_LITERAL (sym->etype))
- continue;
+ continue;
/* generate the actual declaration */
if (csym->level)
- {
- allocLocal (csym);
- if (csym->onStack)
- stack += getSize (csym->type);
- }
+ {
+ allocLocal (csym);
+ if (csym->onStack)
+ stack += getSize (csym->type);
+ }
else
- allocGlobal (csym);
+ allocGlobal (csym);
/* restore the level */
if (IS_EXTERN (csym->etype) || IS_FUNC (csym->type))
- csym->level = saveLevel;
+ csym->level = saveLevel;
}
return stack;
/*-----------------------------------------------------------------*/
/* redoStackOffsets :- will reassign the values for stack offsets */
/*-----------------------------------------------------------------*/
-void
+void
redoStackOffsets (void)
{
symbol *sym;
int size = getSize (sym->type);
/* nothing to do with parameters so continue */
if ((sym->_isparm && !IS_REGPARM (sym->etype)))
- continue;
+ continue;
if (IS_AGGREGATE (sym->type))
- {
- if (port->stack.direction > 0)
- {
- SPEC_STAK (sym->etype) = sym->stack = (sPtr + 1);
- sPtr += size;
- }
- else
- {
- sPtr -= size;
- SPEC_STAK (sym->etype) = sym->stack = sPtr;
- }
- continue;
- }
+ {
+ if (port->stack.direction > 0)
+ {
+ SPEC_STAK (sym->etype) = sym->stack = (sPtr + 1);
+ sPtr += size;
+ }
+ else
+ {
+ sPtr -= size;
+ SPEC_STAK (sym->etype) = sym->stack = sPtr;
+ }
+ continue;
+ }
/* if allocation not required then subtract
size from overall stack size & continue */
if (!sym->allocreq)
- {
- currFunc->stack -= size;
- SPEC_STAK (currFunc->etype) -= size;
- continue;
- }
+ {
+ currFunc->stack -= size;
+ SPEC_STAK (currFunc->etype) -= size;
+ continue;
+ }
if (port->stack.direction > 0)
- {
- SPEC_STAK (sym->etype) = sym->stack = (sPtr + 1);
- sPtr += size;
- }
+ {
+ SPEC_STAK (sym->etype) = sym->stack = (sPtr + 1);
+ sPtr += size;
+ }
else
- {
- sPtr -= size;
- SPEC_STAK (sym->etype) = sym->stack = sPtr;
- }
+ {
+ sPtr -= size;
+ SPEC_STAK (sym->etype) = sym->stack = sPtr;
+ }
}
/* do the same for the external stack */
int size = getSize (sym->type);
/* nothing to do with parameters so continue */
if ((sym->_isparm && !IS_REGPARM (sym->etype)))
- continue;
+ continue;
if (IS_AGGREGATE (sym->type))
- {
- SPEC_STAK (sym->etype) = sym->stack = (xsPtr + 1);
- xsPtr += size;
- continue;
- }
+ {
+ SPEC_STAK (sym->etype) = sym->stack = (xsPtr + 1);
+ xsPtr += size;
+ continue;
+ }
/* if allocation not required then subtract
size from overall stack size & continue */
if (!sym->allocreq)
- {
- currFunc->xstack -= size;
- SPEC_STAK (currFunc->etype) -= size;
- continue;
- }
+ {
+ currFunc->xstack -= size;
+ SPEC_STAK (currFunc->etype) -= size;
+ continue;
+ }
SPEC_STAK (sym->etype) = sym->stack = (xsPtr + 1);
xsPtr += size;
/*-----------------------------------------------------------------*/
/* printAllocInfoSeg- print the allocation for a given section */
/*-----------------------------------------------------------------*/
-static void
+static void
printAllocInfoSeg (memmap * map, symbol * func, FILE * of)
{
symbol *sym;
return;
if (!map->syms)
return;
-
+
for (sym = setFirstItem (map->syms); sym;
sym = setNextItem (map->syms))
{
if (sym->level == 0)
- continue;
+ continue;
if (sym->localof != func)
- continue;
-
+ continue;
+
fprintf (of, ";%-25s Allocated ", sym->name);
/* if assigned to registers */
if (!sym->allocreq && sym->reqv)
- {
- int i;
-
- sym = OP_SYMBOL (sym->reqv);
- if (!sym->isspilt || sym->remat)
- {
- fprintf (of, "to registers ");
- for (i = 0; i < 4 && sym->regs[i]; i++)
- fprintf (of, "%s ", port->getRegName (sym->regs[i]));
- fprintf (of, "\n");
- continue;
- }
- else
- {
- sym = sym->usl.spillLoc;
- }
- }
+ {
+ int i;
+
+ sym = OP_SYMBOL (sym->reqv);
+ if (!sym->isspilt || sym->remat)
+ {
+ fprintf (of, "to registers ");
+ for (i = 0; i < 4 && sym->regs[i]; i++)
+ fprintf (of, "%s ", port->getRegName (sym->regs[i]));
+ fprintf (of, "\n");
+ continue;
+ }
+ else
+ {
+ sym = sym->usl.spillLoc;
+ }
+ }
/* if on stack */
if (sym->onStack)
- {
- fprintf (of, "to stack - offset %d\n", sym->stack);
- continue;
- }
+ {
+ fprintf (of, "to stack - offset %d\n", sym->stack);
+ continue;
+ }
/* otherwise give rname */
fprintf (of, "with name '%s'\n", sym->rname);
/*-----------------------------------------------------------------*/
/* canOverlayLocals - returns true if the local variables can overlayed */
/*-----------------------------------------------------------------*/
-static bool
+static bool
canOverlayLocals (eBBlock ** ebbs, int count)
{
int i;
options.stackAuto ||
(currFunc &&
(IFFUNC_ISREENT (currFunc->type) ||
- FUNC_ISISR (currFunc->type))) ||
+ FUNC_ISISR (currFunc->type))) ||
elementsInSet (overlay->syms) == 0)
return FALSE;
iCode *ic;
for (ic = ebbs[i]->sch; ic; ic = ic->next)
- if (ic) {
- if (ic->op == CALL) {
- sym_link *ftype = operandType(IC_LEFT(ic));
- /* builtins only can use overlays */
- if (!IFFUNC_ISBUILTIN(ftype)) return FALSE;
- } else if (ic->op == PCALL) return FALSE;
- }
+ if (ic) {
+ if (ic->op == CALL) {
+ sym_link *ftype = operandType(IC_LEFT(ic));
+ /* builtins only can use overlays */
+ if (!IFFUNC_ISBUILTIN(ftype)) return FALSE;
+ } else if (ic->op == PCALL) return FALSE;
+ }
}
/* no function calls found return TRUE */
/*-----------------------------------------------------------------*/
/* doOverlays - move the overlay segment to appropriate location */
/*-----------------------------------------------------------------*/
-void
+void
doOverlays (eBBlock ** ebbs, int count)
{
if (!overlay) {
/*-----------------------------------------------------------------*/
/* printAllocInfo - prints allocation information for a function */
/*-----------------------------------------------------------------*/
-void
+void
printAllocInfo (symbol * func, FILE * of)
{
if (!func)
- return;
-
+ return;
+
if (!of)
of = stdout;
printAllocInfoSeg (idata, func, of);
printAllocInfoSeg (sfr, func, of);
printAllocInfoSeg (sfrbit, func, of);
-
+
{
set *ovrset;
set *tempOverlaySyms = overlay->syms;
-
+
/* search the set of overlay sets for local variables/parameters */
for (ovrset = setFirstItem (ovrSetSets); ovrset;
ovrset = setNextItem (ovrSetSets))
}
overlay->syms = tempOverlaySyms;
}
-
+
fprintf (of, ";------------------------------------------------------------\n");
}
projects / fw / sdcc / blobdiff