#define SDCC_SYMNAME_MAX 64
#define SDCC_NAME_MAX 3*SDCC_SYMNAME_MAX // big enough for _<func>_<var>_etc
#include "SDCChasht.h"
-
+#include "SDCCglobl.h"
+
+#define INTNO_MAX 255 /* maximum allowed interrupt number */
+#define INTNO_UNSPEC (INTNO_MAX+1) /* interrupt number unspecified */
+
+#define BITVAR_PAD -1
+
+enum {
+ TYPEOF_INT=1,
+ TYPEOF_SHORT,
+ TYPEOF_CHAR,
+ TYPEOF_LONG,
+ TYPEOF_FLOAT,
+ TYPEOF_BIT,
+ TYPEOF_BITFIELD,
+ TYPEOF_SBIT,
+ TYPEOF_SFR,
+ TYPEOF_VOID,
+ TYPEOF_STRUCT,
+ TYPEOF_ARRAY,
+ TYPEOF_FUNCTION,
+ TYPEOF_POINTER,
+ TYPEOF_FPOINTER,
+ TYPEOF_CPOINTER,
+ TYPEOF_GPOINTER,
+ TYPEOF_PPOINTER,
+ TYPEOF_IPOINTER,
+ TYPEOF_EEPPOINTER
+};
+
+// values for first byte of generic pointer.
+#define GPTYPE_NEAR 0
+#define GPTYPE_FAR 1
+#define GPTYPE_CODE 2
+#define GPTYPE_XSTACK 3
+#define GPTYPE_GPTR 4 // Never used?
+#define GPTYPE_IDATA 5
#define HASHTAB_SIZE 256
unsigned char level; /* Nesting level */
struct symbol *fields; /* pointer to fields */
unsigned size; /* sizeof the table in bytes */
+ int type; /* STRUCT or UNION */
}
structdef;
V_STRUCT,
V_LABEL,
V_BIT,
+ V_BITFIELD,
V_SBIT,
V_DOUBLE
}
unsigned _stack; /* stack offset for stacked v */
unsigned _bitStart; /* bit start position */
int _bitLength; /* bit length */
-
+ int argreg; /* reg no for regparm */
union
{ /* Values if constant or enum */
- short int v_int; /* int and char values */
- char *v_char; /* character string */
- 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 */
+ TYPE_WORD v_int; /* 2 bytes: int and char values */
+ char *v_char; /* character string */
+ TYPE_UWORD v_uint; /* 2 bytes: unsigned int const value */
+ TYPE_DWORD v_long; /* 4 bytes: long constant value */
+ TYPE_UDWORD v_ulong; /* 4 bytes: unsigned long constant val */
+ double v_float; /* floating point constant value */
struct symbol *v_enum; /* ptr 2 enum_list if enum==1 */
}
const_val;
{
DECLARATOR_TYPE dcl_type; /* POINTER,ARRAY or FUNCTION */
unsigned int num_elem; /* # of elems if type==array */
- short ptr_const:1; /* pointer is constant */
- short ptr_volatile:1; /* pointer is volatile */
+ unsigned ptr_const:1; /* pointer is constant */
+ unsigned ptr_volatile:1; /* pointer is volatile */
struct sym_link *tspec; /* pointer type specifier */
}
declarator;
-#define DECLARATOR 0
-#define SPECIFIER 1
+typedef enum {
+ DECLARATOR=1,
+ SPECIFIER
+} SYM_LINK_CLASS;
+#define DECLSPEC2TXT(select) (select==DECLARATOR?"DECLARATOR":select==SPECIFIER?"SPECIFIER":"UNKNOW")
typedef struct sym_link
{
- unsigned class:1; /* DECLARATOR or SPECIFIER */
+ SYM_LINK_CLASS class; /* DECLARATOR or SPECIFIER */
unsigned tdef:1; /* current link created by */
/* typedef if this flag is set */
union
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 rbank:1; /* seperate register bank */
unsigned intno; /* 1=Interrupt svc routine */
unsigned regbank; /* register bank 2b used */
+ unsigned builtin; /* is a builtin function */
+ unsigned javaNative; /* is a JavaNative Function (TININative ONLY) */
+ unsigned overlay; /* force parameters & locals into overlay segment */
+ unsigned hasStackParms; /* function has parameters on stack */
} funcAttrs;
struct sym_link *next; /* next element on the chain */
unsigned isref:1; /* has been referenced */
unsigned isind:1; /* is a induction variable */
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 udChked:1; /* use def checking has been already done */
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 */
unsigned spildir:1; /* spilt in direct space */
unsigned ptrreg:1; /* this symbol assigned to a ptr reg */
unsigned noSpilLoc:1; /* cannot be assigned a spil location */
+ unsigned isstrlit; /* is a string literal and it's usage count */
unsigned accuse; /* can be left in the accumulator
On the Z80 accuse is devided into
ACCUSE_A and ACCUSE_HL as the idea
is quite similar.
*/
-
+ unsigned dptr; /* 8051 variants with multiple DPTRS
+ currently implemented in DS390 only
+ */
+ 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 */
struct iCode *fuse; /* furthest use */
struct iCode *rematiCode; /* rematerialse with which instruction */
struct operand *reqv; /* register equivalent of a local variable */
+ struct symbol *prereqv; /* symbol before register equiv. substituion */
union
{
struct symbol *spillLoc; /* register spil location */
unsigned offset; /* offset from top if struct */
int lineDef; /* defined line number */
+ char *fileDef; /* defined filename */
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 */
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;
+extern sym_link *validateLink(sym_link *l,
+ const char *macro,
+ const char *args,
+ const char select,
+ const char *file,
+ unsigned line);
/* Easy Access Macros */
-#define DCL_TYPE(l) l->select.d.dcl_type
-#define DCL_ELEM(l) l->select.d.num_elem
-#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 DCL_TYPE(l) validateLink(l, "DCL_TYPE", #l, DECLARATOR, __FILE__, __LINE__)->select.d.dcl_type
+#define DCL_ELEM(l) validateLink(l, "DCL_ELEM", #l, DECLARATOR, __FILE__, __LINE__)->select.d.num_elem
+#define DCL_PTR_CONST(l) validateLink(l, "DCL_PTR_CONST", #l, DECLARATOR, __FILE__, __LINE__)->select.d.ptr_const
+#define DCL_PTR_VOLATILE(l) validateLink(l, "DCL_PTR_VOLATILE", #l, DECLARATOR, __FILE__, __LINE__)->select.d.ptr_volatile
+#define DCL_TSPEC(l) validateLink(l, "DCL_TSPEC", #l, DECLARATOR, __FILE__, __LINE__)->select.d.tspec
#define FUNC_DEBUG //assert(IS_FUNC(x));
#define FUNC_HASVARARGS(x) (x->funcAttrs.hasVargs)
#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_HASSTACKPARM(x) (x->funcAttrs.hasStackParms)
#define FUNC_ISREENT(x) (x->funcAttrs.reent)
#define IFFUNC_ISREENT(x) (IS_FUNC(x) && FUNC_ISREENT(x))
#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))
+#define FUNC_ISBUILTIN(x) (x->funcAttrs.builtin)
+#define IFFUNC_ISBUILTIN(x) (IS_FUNC(x) && FUNC_ISBUILTIN(x))
+#define FUNC_ISJAVANATIVE(x) (x->funcAttrs.javaNative)
+#define IFFUNC_ISJAVANATIVE(x) (IS_FUNC(x) && FUNC_ISJAVANATIVE(x))
+#define FUNC_ISOVERLAY(x) (x->funcAttrs.overlay)
+#define IFFUNC_ISOVERLAY(x) (IS_FUNC(x) && FUNC_ISOVERLAY(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_SCLS(x) x->select.s.sclass
-#define SPEC_ENUM(x) x->select.s._isenum
-#define SPEC_OCLS(x) x->select.s.oclass
-#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_ABSA(x) x->select.s._absadr
-#define SPEC_BANK(x) x->select.s._regbank
-#define SPEC_ADDR(x) x->select.s._addr
-#define SPEC_STAK(x) x->select.s._stack
-#define SPEC_CVAL(x) x->select.s.const_val
-#define SPEC_BSTR(x) x->select.s._bitStart
-#define SPEC_BLEN(x) x->select.s._bitLength
+#define SPEC_NOUN(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.noun
+#define SPEC_LONG(x) validateLink(x, "SPEC_LONG", #x, SPECIFIER, __FILE__, __LINE__)->select.s._long
+#define SPEC_SHORT(x) validateLink(x, "SPEC_LONG", #x, SPECIFIER, __FILE__, __LINE__)->select.s._short
+#define SPEC_USIGN(x) validateLink(x, "SPEC_USIGN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._unsigned
+#define SPEC_SCLS(x) validateLink(x, "SPEC_SCLS", #x, SPECIFIER, __FILE__, __LINE__)->select.s.sclass
+#define SPEC_ENUM(x) validateLink(x, "SPEC_ENUM", #x, SPECIFIER, __FILE__, __LINE__)->select.s._isenum
+#define SPEC_OCLS(x) validateLink(x, "SPEC_OCLS", #x, SPECIFIER, __FILE__, __LINE__)->select.s.oclass
+#define SPEC_STAT(x) validateLink(x, "SPEC_STAT", #x, SPECIFIER, __FILE__, __LINE__)->select.s._static
+#define SPEC_EXTR(x) validateLink(x, "SPEC_EXTR", #x, SPECIFIER, __FILE__, __LINE__)->select.s._extern
+#define SPEC_CODE(x) validateLink(x, "SPEC_CODE", #x, SPECIFIER, __FILE__, __LINE__)->select.s._codesg
+#define SPEC_ABSA(x) validateLink(x, "SPEC_ABSA", #x, SPECIFIER, __FILE__, __LINE__)->select.s._absadr
+#define SPEC_BANK(x) validateLink(x, "SPEC_BANK", #x, SPECIFIER, __FILE__, __LINE__)->select.s._regbank
+#define SPEC_ADDR(x) validateLink(x, "SPEC_ADDR", #x, SPECIFIER, __FILE__, __LINE__)->select.s._addr
+#define SPEC_STAK(x) validateLink(x, "SPEC_STAK", #x, SPECIFIER, __FILE__, __LINE__)->select.s._stack
+#define SPEC_CVAL(x) validateLink(x, "SPEC_CVAL", #x, SPECIFIER, __FILE__, __LINE__)->select.s.const_val
+#define SPEC_BSTR(x) validateLink(x, "SPEC_BSTR", #x, SPECIFIER, __FILE__, __LINE__)->select.s._bitStart
+#define SPEC_BLEN(x) validateLink(x, "SPEC_BLEN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._bitLength
/* Sleaze: SPEC_ISR_SAVED_BANKS is only used on
* function type symbols, which obviously cannot
* be of BIT type. Therefore, we recycle the
* _bitStart field instead of defining a new field.
*/
-#define SPEC_ISR_SAVED_BANKS(x) x->select.s._bitStart
-#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_ISR_SAVED_BANKS(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._bitStart
+#define SPEC_VOLATILE(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._volatile
+#define SPEC_CONST(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._const
+#define SPEC_STRUCT(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.v_struct
+#define SPEC_TYPEDEF(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._typedef
+#define SPEC_REGPARM(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._isregparm
+#define SPEC_ARGREG(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.argreg
/* type check macros */
#define IS_DECL(x) ( x && x->class == DECLARATOR )
#define IS_GENPTR(x) (IS_DECL(x) && DCL_TYPE(x) == GPOINTER)
#define IS_FUNC(x) (IS_DECL(x) && DCL_TYPE(x) == FUNCTION)
#define IS_LONG(x) (IS_SPEC(x) && x->select.s._long)
+#define IS_UNSIGNED(x) (IS_SPEC(x) && x->select.s._unsigned)
#define IS_TYPEDEF(x)(IS_SPEC(x) && x->select.s._typedef)
-#define IS_CONSTANT(x) (IS_SPEC(x) && ( x->select.s._const == 1))
+#define IS_CONSTANT(x) (!x ? 0 : \
+ IS_SPEC(x) ? \
+ x->select.s._const : \
+ x->select.d.ptr_const)
#define IS_STRUCT(x) (IS_SPEC(x) && x->select.s.noun == V_STRUCT)
#define IS_ABSOLUTE(x) (IS_SPEC(x) && x->select.s._absadr )
#define IS_REGISTER(x) (IS_SPEC(x) && SPEC_SCLS(x) == S_REGISTER)
#define IS_VOID(x) (IS_SPEC(x) && x->select.s.noun == V_VOID)
#define IS_CHAR(x) (IS_SPEC(x) && x->select.s.noun == V_CHAR)
#define IS_EXTERN(x) (IS_SPEC(x) && x->select.s._extern)
-#define IS_VOLATILE(x) (IS_SPEC(x) && x->select.s._volatile )
+#define IS_VOLATILE(x) (!x ? 0 : \
+ IS_SPEC(x) ? \
+ x->select.s._volatile : \
+ x->select.d.ptr_volatile)
#define IS_INTEGRAL(x) (IS_SPEC(x) && (x->select.s.noun == V_INT || \
x->select.s.noun == V_CHAR || \
+ x->select.s.noun == V_BITFIELD || \
x->select.s.noun == V_BIT || \
x->select.s.noun == V_SBIT ))
-#define IS_BITFIELD(x) (IS_SPEC(x) && (x->select.s.noun == V_BIT))
-#define IS_BITVAR(x) (IS_SPEC(x) && (x->select.s.noun == V_BIT || \
+#define IS_BITFIELD(x) (IS_SPEC(x) && (x->select.s.noun == V_BITFIELD))
+#define IS_BITVAR(x) (IS_SPEC(x) && (x->select.s.noun == V_BITFIELD || \
+ x->select.s.noun == V_BIT || \
x->select.s.noun == V_SBIT ))
+#define IS_BIT(x) (IS_SPEC(x) && (x->select.s.noun == V_BIT || \
+ x->select.s.noun == V_SBIT ))
#define IS_FLOAT(x) (IS_SPEC(x) && x->select.s.noun == V_FLOAT)
#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_CODE(x) (IS_SPEC(x) && SPEC_SCLS(x) == S_CODE)
#define IS_REGPARM(x) (IS_SPEC(x) && SPEC_REGPARM(x))
/* forward declaration for the global vars */
#include "SDCCval.h"
+typedef enum
+{
+ RESULT_TYPE_NONE = 0, /* operands will be promoted to int */
+ RESULT_CHECK = 0, /* TODO: replace all occurences with the appropriate type and remove me */
+ RESULT_TYPE_BIT,
+ RESULT_TYPE_CHAR,
+ RESULT_TYPE_INT,
+ RESULT_TYPE_OTHER, /* operands will be promoted to int */
+ RESULT_TYPE_IFX,
+ RESULT_TYPE_NOPROM, /* operands will be promoted to int */
+} RESULT_TYPE;
+
/* forward definitions for the symbol table related functions */
void initSymt ();
symbol *newSymbol (char *, int);
-sym_link *newLink ();
+sym_link *newLink (SYM_LINK_CLASS);
sym_link *newFloatLink ();
structdef *newStruct (char *);
void addDecl (symbol *, int, sym_link *);
sym_link *mergeSpec (sym_link *, sym_link *, char *name);
-sym_link *cloneSpec (sym_link *);
symbol *reverseSyms (symbol *);
sym_link *reverseLink (sym_link *);
symbol *copySymbol (symbol *);
sym_link *newCharLink ();
sym_link *newLongLink ();
int compareType (sym_link *, sym_link *);
+int compareTypeExact (sym_link *, sym_link *, int);
int checkFunction (symbol *, symbol *);
void cleanUpLevel (bucket **, int);
void cleanUpBlock (bucket **, int);
void addSymChain (symbol *);
sym_link *structElemType (sym_link *, value *);
symbol *getStructElement (structdef *, symbol *);
-sym_link *computeType (sym_link *, sym_link *);
+sym_link *computeType (sym_link *, sym_link *, RESULT_TYPE, char);
void processFuncArgs (symbol *);
int isSymbolEqual (symbol *, symbol *);
-int powof2 (unsigned long);
+int powof2 (TYPE_UDWORD);
void printTypeChain (sym_link *, FILE *);
+void printTypeChainRaw (sym_link *, FILE *);
void initCSupport ();
+void initBuiltIns ();
void pointerTypes (sym_link *, sym_link *);
-void cdbTypeInfo (sym_link *, FILE *);
-void cdbSymbol (symbol *, FILE *, int, int);
-void cdbStructBlock (int, FILE *);
+void cdbStructBlock (int);
void initHashT ();
bucket *newBucket ();
void addSym (bucket **, void *, char *, int, int, int checkType);
void *findSymWithBlock (bucket **, struct symbol *, int);
void changePointer (symbol * sym);
void checkTypeSanity(sym_link *etype, char *name);
+sym_link *typeFromStr (char *) ;
+STORAGE_CLASS sclsFromPtr(sym_link *ptr);
+sym_link *newEnumType (symbol *);
+void promoteAnonStructs (int, structdef *);
+
extern char *nounName(sym_link *); /* noun strings */
extern void printFromToType (sym_link *, sym_link *);
projects / fw / sdcc / blobdiff