#define SDCCSYMT_H
#define MAX_NEST_LEVEL 256
-#define SDCC_NAME_MAX 64
+#define SDCC_SYMNAME_MAX 64
+#define SDCC_NAME_MAX 3*SDCC_SYMNAME_MAX // big enough for _<func>_<var>_etc
#include "SDCChasht.h"
unsigned _static:1; /* 1=static keyword found */
unsigned _extern:1; /* 1=extern found */
unsigned _absadr:1; /* absolute address specfied */
- unsigned _reent:1; /* function is reentrant */
- unsigned _intrtn:1; /* this is an interrupt routin */
- unsigned _rbank:1; /* seperate register bank */
unsigned _volatile:1; /* is marked as volatile */
unsigned _const:1; /* is a constant */
- unsigned _critical:1; /* critical function */
- unsigned _naked:1; /* naked function */
unsigned _typedef:1; /* is typedefed */
unsigned _isregparm:1; /* is the first parameter */
unsigned _isenum:1; /* is an enumerated type */
- unsigned nonbanked:1; /* function has the nonbanked attribute */
- unsigned banked:1; /* function has the banked attribute */
- unsigned _IntNo; /* 1=Interrupt svc routine */
- short _regbank; /* register bank 2b used */
unsigned _addr; /* address of symbol */
unsigned _stack; /* stack offset for stacked v */
unsigned _bitStart; /* bit start position */
union
{ /* Values if constant or enum */
- int v_int; /* int and char values */
+ short int v_int; /* int and char values */
char *v_char; /* character string */
- unsigned v_uint; /* unsigned int const value */
+ unsigned short v_uint; /* unsigned int const value */
long v_long; /* long constant value */
unsigned long v_ulong; /* unsigned long constant val */
double v_float; /* floating point constant value */
unsigned int num_elem; /* # of elems if type==array */
short ptr_const:1; /* pointer is constant */
short ptr_volatile:1; /* pointer is volatile */
- struct sym_link *tspec; /* pointer type specifier */
+ struct sym_link *tspec; /* pointer type specifier */
}
declarator;
{
specifier s; /* if CLASS == SPECIFIER */
declarator d; /* if CLASS == DECLARATOR */
- }
- select;
+ } select;
+
+ /* function attributes */
+ struct {
+ struct value *args; /* the defined arguments */
+ unsigned hasVargs:1; /* functions has varargs */
+ unsigned calleeSaves:1; /* functions uses callee save */
+ unsigned hasbody:1; /* function body defined */
+ //unsigned ret:1; /* return statement for a function */
+ unsigned hasFcall:1; /* does it call other functions */
+ unsigned reent:1; /* function is reentrant */
+ unsigned naked:1; /* naked function */
+
+ unsigned nonbanked:1; /* function has the nonbanked attribute */
+ unsigned banked:1; /* function has the banked attribute */
+ unsigned critical:1; /* critical function */
+ unsigned intrtn:1; /* this is an interrupt routin */
+ unsigned rbank:1; /* seperate register bank */
+ unsigned intno; /* 1=Interrupt svc routine */
+ unsigned regbank; /* register bank 2b used */
+ } funcAttrs;
struct sym_link *next; /* next element on the chain */
}
typedef struct symbol
{
- char name[SDCC_NAME_MAX + 1]; /* Input Variable Name */
+ char name[SDCC_SYMNAME_MAX + 1]; /* Input Variable Name */
char rname[SDCC_NAME_MAX + 1]; /* internal name */
short level; /* declration lev,fld offset */
short block; /* sequential block # of defintion */
int key;
- unsigned fbody:1; /* function body defined */
unsigned implicit:1; /* implicit flag */
unsigned undefined:1; /* undefined variable */
- unsigned ret:1; /* return statement for a function */
- unsigned hasVargs:1; /* has a variable argument list */
unsigned _isparm:1; /* is a parameter */
unsigned ismyparm:1; /* is parameter of the function being generated */
unsigned isitmp:1; /* is an intermediate temp */
unsigned isinvariant:1; /* is a loop invariant */
unsigned isstrlit:1; /* is a string literal */
unsigned cdef:1; /* compiler defined symbol */
- unsigned allocreq:1; /* allocation is required for this variable */
unsigned addrtaken:1; /* address of the symbol was taken */
unsigned isreqv:1; /* is the register quivalent of a symbol */
- unsigned hasFcall:1; /* for functions does it call other functions */
- unsigned calleeSave:1; /* for functions uses callee save paradigm */
unsigned udChked:1; /* use def checking has been already done */
/* following flags are used by the backend
if a better scheme for backend is thought of */
unsigned isLiveFcall:1; /* is live at or across a function call */
unsigned isspilt:1; /* has to be spilt */
+ unsigned spillA:1; /* spilt be register allocator */
unsigned remat:1; /* can be remateriazed */
unsigned isptr:1; /* is a pointer */
unsigned uptr:1; /* used as a pointer */
is quite similar.
*/
+ int allocreq ; /* allocation is required for this variable */
int stack; /* offset on stack */
int xstack; /* offset on xternal stack */
short nRegs; /* number of registers required */
int lastLine; /* for functions the last line */
struct sym_link *type; /* 1st link to declator chain */
struct sym_link *etype; /* last link to declarator chn */
- struct value *args; /* arguments if function */
struct symbol *next; /* crosslink to next symbol */
struct symbol *localof; /* local variable of which function */
struct initList *ival; /* ptr to initializer if any */
int liveTo; /* live to sequence number */
int used; /* no. of times this was used */
int recvSize; /* size of first argument */
+ struct bitVect *clashes; /* overlaps with what other symbols */
}
symbol;
#define DCL_PTR_CONST(l) l->select.d.ptr_const
#define DCL_PTR_VOLATILE(l) l->select.d.ptr_volatile
#define DCL_TSPEC(l) l->select.d.tspec
+
+#define FUNC_DEBUG //assert(IS_FUNC(x));
+#define FUNC_HASVARARGS(x) (x->funcAttrs.hasVargs)
+#define IFFUNC_HASVARARGS(x) (IS_FUNC(x) && FUNC_HASVARARGS(x))
+#define FUNC_ARGS(x) (x->funcAttrs.args)
+#define IFFUNC_ARGS(x) (IS_FUNC(x) && FUNC_ARGS(x))
+#define FUNC_HASFCALL(x) (x->funcAttrs.hasFcall)
+#define IFFUNC_HASFCALL(x) (IS_FUNC(x) && FUNC_HASFCALL(x))
+#define FUNC_HASBODY(x) (x->funcAttrs.hasbody)
+#define IFFUNC_HASBODY(x) (IS_FUNC(x) && FUNC_HASBODY(x))
+#define FUNC_CALLEESAVES(x) (x->funcAttrs.calleeSaves)
+#define IFFUNC_CALLEESAVES(x) (IS_FUNC(x) && FUNC_CALLEESAVES(x))
+#define FUNC_ISISR(x) (x->funcAttrs.intrtn)
+#define IFFUNC_ISISR(x) (IS_FUNC(x) && FUNC_ISISR(x))
+//#define FUNC_RBANK(x) (x->funcAttrs.rbank)
+#define IFFUNC_RBANK(x) (IS_FUNC(x) && FUNC_RBANK(x))
+#define FUNC_INTNO(x) (x->funcAttrs.intno)
+#define FUNC_REGBANK(x) (x->funcAttrs.regbank)
+
+#define FUNC_ISREENT(x) (x->funcAttrs.reent)
+#define IFFUNC_ISREENT(x) (IS_FUNC(x) && FUNC_ISREENT(x))
+#define FUNC_ISNAKED(x) (x->funcAttrs.naked)
+#define IFFUNC_ISNAKED(x) (IS_FUNC(x) && FUNC_ISNAKED(x))
+#define FUNC_NONBANKED(x) (x->funcAttrs.nonbanked)
+#define IFFUNC_NONBANKED(x) (IS_FUNC(x) && FUNC_NONBANKED(x))
+#define FUNC_BANKED(x) (x->funcAttrs.banked)
+#define IFFUNC_BANKED(x) (IS_FUNC(x) && FUNC_BANKED(x))
+#define FUNC_ISCRITICAL(x) (x->funcAttrs.critical)
+#define IFFUNC_ISCRITICAL(x) (IS_FUNC(x) && FUNC_ISCRITICAL(x))
+
+// jwk: I am not sure about this
+#define IFFUNC_ISBANKEDCALL(x) (!IFFUNC_NONBANKED(x) && \
+ (options.model == MODEL_LARGE || \
+ options.model == MODEL_MEDIUM || \
+ IFFUNC_BANKED(x)))
+
#define SPEC_NOUN(x) x->select.s.noun
#define SPEC_LONG(x) x->select.s._long
#define SPEC_USIGN(x) x->select.s._unsigned
#define SPEC_STAT(x) x->select.s._static
#define SPEC_EXTR(x) x->select.s._extern
#define SPEC_CODE(x) x->select.s._codesg
-#define SPEC_RENT(x) x->select.s._reent
-#define SPEC_INTN(x) x->select.s._IntNo
#define SPEC_ABSA(x) x->select.s._absadr
#define SPEC_BANK(x) x->select.s._regbank
#define SPEC_ADDR(x) x->select.s._addr
* _bitStart field instead of defining a new field.
*/
#define SPEC_ISR_SAVED_BANKS(x) x->select.s._bitStart
-#define SPEC_BNKF(x) x->select.s._rbank
-#define SPEC_INTRTN(x) x->select.s._intrtn
-#define SPEC_CRTCL(x) x->select.s._critical
-#define SPEC_NAKED(x) x->select.s._naked
#define SPEC_VOLATILE(x) x->select.s._volatile
#define SPEC_CONST(x) x->select.s._const
#define SPEC_STRUCT(x) x->select.s.v_struct
#define SPEC_TYPEDEF(x) x->select.s._typedef
#define SPEC_REGPARM(x) x->select.s._isregparm
-#define SPEC_NONBANKED(x) x->select.s.nonbanked
-#define SPEC_BANKED(x) x->select.s.banked
/* type check macros */
#define IS_DECL(x) ( x && x->class == DECLARATOR )
#define IS_ARITHMETIC(x) (IS_INTEGRAL(x) || IS_FLOAT(x))
#define IS_AGGREGATE(x) (IS_ARRAY(x) || IS_STRUCT(x))
#define IS_LITERAL(x) (IS_SPEC(x) && x->select.s.sclass == S_LITERAL)
-#define IS_ISR(x) (IS_SPEC(x) && SPEC_INTRTN(x))
#define IS_REGPARM(x) (IS_SPEC(x) && SPEC_REGPARM(x))
-#define IS_NONBANKED(x) (IS_SPEC(x) && SPEC_NONBANKED(x))
-#define IS_BANKED(x) (IS_SPEC(x) && SPEC_BANKED(x))
-#define IS_BANKEDCALL(x) (IS_SPEC(x) && !SPEC_NONBANKED(x) && !SPEC_STAT(x) && (options.model == MODEL_LARGE || options.model == MODEL_MEDIUM || SPEC_BANKED(x)))
/* forward declaration for the global vars */
extern bucket *SymbolTab[];
/* Dims: to/from float, BYTE/WORD/DWORD, SIGNED/USIGNED */
extern symbol *__conv[2][3][2];
/* Dims: shift left/shift right, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
-symbol *__rlrr[2][3][2];
+extern symbol *__rlrr[2][3][2];
#define CHARTYPE __multypes[0][0]
#define UCHARTYPE __multypes[0][1]
sym_link *newCharLink ();
sym_link *newLongLink ();
int compareType (sym_link *, sym_link *);
-int checkFunction (symbol *);
+int checkFunction (symbol *, symbol *);
void cleanUpLevel (bucket **, int);
void cleanUpBlock (bucket **, int);
int funcInChain (sym_link *);
void addSymChain (symbol *);
-sym_link *structElemType (sym_link *, value *, value **);
+sym_link *structElemType (sym_link *, value *);
symbol *getStructElement (structdef *, symbol *);
sym_link *computeType (sym_link *, sym_link *);
-void processFuncArgs (symbol *, int);
+void processFuncArgs (symbol *);
int isSymbolEqual (symbol *, symbol *);
int powof2 (unsigned long);
void printTypeChain (sym_link *, FILE *);
void *findSymWithBlock (bucket **, struct symbol *, int);
void changePointer (symbol * sym);
void checkTypeSanity(sym_link *etype, char *name);
-/* noun strings */
-extern char *nounName(sym_link *);
+
+extern char *nounName(sym_link *); /* noun strings */
+extern void printFromToType (sym_link *, sym_link *);
#endif
projects / fw / sdcc / blobdiff