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gbdk-releases/sdcc/src/SDCCglobl.h
Michael Hope 09a290dd78 Imported gbdk-2.96a.
2015-01-10 16:25:09 +01:00

328 lines
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C
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/* SDCCglobl.h - global macros etc required by all files */
#ifndef SDCCGLOBL_H
#define SDCCGLOBL_H
#include <memory.h>
#include <assert.h>
#include <stdlib.h>
#include <setjmp.h>
#include <stdio.h>
/*
* Define host port dependant constants etc.
*/
#define DOS_DIR_SEPARATOR_CHAR '\\'
#define DOS_DIR_SEPARATOR_STRING "\\"
#define UNIX_DIR_SEPARATOR_CHAR '/'
#define UNIX_DIR_SEPARATOR_STRING "/"
#if defined(__BORLANDC__) /* Borland Turbo C/Win32 Host */
#define NATIVE_WIN32 1
#define DIR_SEPARATOR_CHAR DOS_DIR_SEPARATOR_CHAR
#define DIR_SEPARATOR_STRING DOS_DIR_SEPARATOR_STRING
#elif defined(_MSC_VER) /* Miscosoft VC6/Win32 Host */
#define NATIVE_WIN32 1
#include "sdcc_vc.h"
#define DIR_SEPARATOR_CHAR DOS_DIR_SEPARATOR_CHAR
#define DIR_SEPARATOR_STRING DOS_DIR_SEPARATOR_STRING
#elif defined(__MINGW32__) /* MINGW32 DOS Host */
#define NATIVE_WIN32 1
#define DIR_SEPARATOR_CHAR DOS_DIR_SEPARATOR_CHAR
#define DIR_SEPARATOR_STRING DOS_DIR_SEPARATOR_STRING
#else /* Assume Un*x style system */
#include "sdccconf.h"
#define DIR_SEPARATOR_CHAR UNIX_DIR_SEPARATOR_CHAR
#define DIR_SEPARATOR_STRING UNIX_DIR_SEPARATOR_STRING
#endif // _MSC_VER
#include "SDCCerr.h"
#define SPACE ' '
#define ZERO 0
#include <limits.h> /* PATH_MAX */
#ifndef PATH_MAX /* POSIX, but not required */
#define PATH_MAX 255 /* define a reasonable value */
#endif
#define MAX_FNAME_LEN 128
#define MAX_REG_PARMS 1
typedef int bool;
#ifndef max
#define max(a,b) (a > b ? a : b)
#endif
#ifndef min
#define min(a,b) (a < b ? a : b)
#endif
#ifndef THROWS
#define THROWS
#define THROW_NONE 0
#define THROW_SRC 1
#define THROW_DEST 2
#define THROW_BOTH 3
#endif
/* size's in bytes */
#define CHARSIZE port->s.char_size
#define SHORTSIZE port->s.short_size
#define INTSIZE port->s.int_size
#define LONGSIZE port->s.long_size
#define PTRSIZE port->s.ptr_size
#define FPTRSIZE port->s.fptr_size
#define GPTRSIZE port->s.gptr_size
#define BITSIZE port->s.bit_size
#define FLOATSIZE port->s.float_size
#define MAXBASESIZE port->s.max_base_size
#define PRAGMA_SAVE "SAVE"
#define PRAGMA_RESTORE "RESTORE"
#define PRAGMA_NOINDUCTION "NOINDUCTION"
#define PRAGMA_NOINVARIANT "NOINVARIANT"
#define PRAGMA_NOLOOPREV "NOLOOPREVERSE"
#define PRAGMA_INDUCTION "INDUCTION"
#define PRAGMA_STACKAUTO "STACKAUTO"
#define PRAGMA_NOJTBOUND "NOJTBOUND"
#define PRAGMA_NOGCSE "NOGCSE"
#define PRAGMA_NOOVERLAY "NOOVERLAY"
#define PRAGMA_CALLEESAVES "CALLEE-SAVES"
#define PRAGMA_EXCLUDE "EXCLUDE"
#define SMALL_MODEL 0
#define LARGE_MODEL 1
#define TRUE 1
#define FALSE 0
#define MAX_TVAR 6
#define INITIAL_INLINEASM 4*1024
#define DEFPOOLSTACK(type,size) \
type *type##Pool ; \
type *type##FreeStack [size] ; \
int type##StackPtr = 0 ;
#define PUSH(x,y) x##FreeStack[x##StackPtr++] = y
#define PEEK(x) x##FreeStack[x##StackPtr-1]
#define POP(type) type##FreeStack[--type##StackPtr]
/* #define POP(x) (x##StackPtr ? x##FreeStack[--x##StackPtr] : \
(assert(x##StackPtr),0)) */
#ifdef UNIX
#define EMPTY(x) (x##StackPtr <= 1 ? 1 : 0)
#else
#define EMPTY(x) (x##StackPtr == 0 ? 1 : 0)
#endif
#define COPYTYPE(start,end,from) (end = getSpec (start = from))
/* generalpurpose stack related macros */
#define STACK_DCL(stack,type,size) \
typedef type t_##stack ; \
t_##stack stack[size] ; \
t_##stack (*p_##stack) = stack + (size); \
/* define extern stack */
#define EXTERN_STACK_DCL(stack,type,size) \
typedef type t_##stack ; \
extern t_##stack stack[size] ; \
extern t_##stack *p_##stack;
#define STACK_FULL(stack) ((p_##stack) <= stack )
#define STACK_EMPTY(stack) ((p_##stack) >= (stack + \
sizeof(stack)/sizeof(*stack)) )
#define STACK_PUSH_(stack,x) (*--p_##stack = (x))
#define STACK_POP_(stack) (*p_##stack++)
#define STACK_PUSH(stack,x) (STACK_FULL(stack) \
?((t_##stack)(long)(STACK_ERR(1))) \
: STACK_PUSH_(stack,x) )
#define STACK_POP(stack) (STACK_EMPTY(stack) \
?((t_##stack)(long)(STACK_ERR(0))) \
: STACK_POP_(stack) )
#define STACK_PEEK(stack) (STACK_EMPTY(stack) \
?((t_##stack) NULL) \
: *p_##stack )
#define STACK_ERR(o) ( o \
? fprintf(stderr,"stack Overflow\n")\
: fprintf(stderr,"stack underflow\n"))
/* optimization options */
struct optimize
{
unsigned global_cse;
unsigned ptrArithmetic;
unsigned label1;
unsigned label2;
unsigned label3;
unsigned label4;
unsigned loopInvariant;
unsigned loopInduction;
unsigned noJTabBoundary;
unsigned noLoopReverse;
};
/** Build model.
Used in options.model.A bit each as port.supported_models is an OR
of these.
*/
enum
{
MODEL_SMALL = 1,
MODEL_COMPACT = 2,
MODEL_MEDIUM = 4,
MODEL_LARGE = 8,
MODEL_FLAT24 = 16
};
/* other command line options */
struct options
{
int model; /* see MODEL_* defines above */
int stackAuto; /* Stack Automatic */
int useXstack; /* use Xternal Stack */
int stack10bit; /* use 10 bit stack (flat24 model only) */
int genericPtr; /* use generic pointers */
int dump_raw; /* dump after intermediate code generation */
int dump_gcse; /* dump after gcse */
int dump_loop; /* dump after loop optimizations */
int dump_kill; /* dump after dead code elimination */
int dump_range; /* dump after live range analysis */
int dump_pack; /* dump after register packing */
int dump_rassgn; /* dump after register assignment */
int dump_tree; /* dump front-end tree before lowering to iCode */
int cc_only; /* compile only flag */
int intlong_rent; /* integer & long support routines reentrant */
int float_rent; /* floating point routines are reentrant */
int out_fmt; /* 1 = motorola S19 format 0 = intel Hex format */
int cyclomatic; /* print cyclomatic information */
int noOverlay; /* don't overlay local variables & parameters */
int mainreturn; /* issue a return after main */
int nopeep; /* no peep hole optimization */
int asmpeep; /* pass inline assembler thru peep hole */
int debug; /* generate extra debug info */
int stackOnData; /* stack after data segment */
int c1mode; /* Act like c1 - no pre-proc, asm or link */
char *peep_file; /* additional rules for peep hole */
char *out_name; /* Asm output name for c1 mode */
int nostdlib; /* Don't use standard lib files */
int nostdinc; /* Don't use standard include files */
int noRegParams; /* Disable passing some parameters in registers */
int verbose; /* Show what the compiler is doing */
int shortis8bits; /* treat short like int or char */
int lessPedantic; /* disable some warnings */
int profile; /* Turn on extra profiling information */
int ommitFramePtr; /* Turn off the frame pointer. */
char *calleeSaves[128]; /* list of functions using callee save */
char *excludeRegs[32]; /* registers excluded from saving */
/* starting address of the segments */
int xstack_loc; /* initial location of external stack */
int stack_loc; /* initial value of internal stack pointer */
int xdata_loc; /* xternal ram starts at address */
int data_loc; /* interram start location */
int idata_loc; /* indirect address space */
int code_loc; /* code location start */
int iram_size; /* internal ram size (used only for error checking) */
};
/* forward definition for variables accessed globally */
extern int noAssemble; /* no assembly, stop after code generation */
extern char *yytext;
extern char *currFname;
extern char *srcFileName; /* source file name without the extenstion */
extern char *moduleName; /* source file name without path & extension */
extern int currLineno; /* current line number */
extern int yylineno; /* line number of the current file SDCC.lex */
extern FILE *yyin; /* */
extern FILE *asmFile; /* assembly output file */
extern FILE *cdbFile; /* debugger symbol file */
extern int NestLevel; /* NestLevel SDCC.y */
extern int stackPtr; /* stack pointer SDCC.y */
extern int xstackPtr; /* external stack pointer SDCC.y */
extern int reentrant; /* /X flag has been sent SDCC.y */
extern char buffer[]; /* general buffer SDCCgen.c */
extern int currRegBank; /* register bank being used SDCCgens.c */
extern struct symbol *currFunc; /* current function SDCCgens.c */
extern int cNestLevel; /* block nest level SDCCval.c */
extern int currBlockno; /* sequentail block number */
extern struct optimize optimize;
extern struct options options;
extern unsigned maxInterrupts;
/* Visible from SDCCmain.c */
extern int nrelFiles;
extern char *relFiles[128];
extern char *libFiles[128];
extern int nlibFiles;
extern char *libPaths[128];
extern int nlibPaths;
extern bool verboseExec ;
void parseWithComma (char **, char *);
/** 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);
/** 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);
/** An assert() macro that will go out through sdcc's error
system.
*/
#define wassertl(a,s) ((a) ? 0 : \
(werror (E_INTERNAL_ERROR,__FILE__,__LINE__, s), 0))
#define wassert(a) wassertl(a,"code generator internal error")
#define DUMP_RAW0 1
#define DUMP_RAW1 DUMP_RAW0+1
#define DUMP_CSE DUMP_RAW1+1
#define DUMP_DFLOW DUMP_CSE+1
#define DUMP_GCSE DUMP_DFLOW+1
#define DUMP_DEADCODE DUMP_GCSE+1
#define DUMP_LOOP DUMP_DEADCODE+1
#define DUMP_LOOPG DUMP_LOOP+1
#define DUMP_LOOPD DUMP_LOOPG+1
#define DUMP_RANGE DUMP_LOOPD+1
#define DUMP_PACK DUMP_RANGE+1
#define DUMP_RASSGN DUMP_PACK+1
#define DUMP_LRANGE DUMP_RASSGN+1
struct _dumpFiles {
int id;
char *ext;
FILE *filePtr;
};
extern struct _dumpFiles dumpFiles[];
/* Buffer which can be used to hold a file name; assume it will
* be trashed by any function call within SDCC.
*/
extern char scratchFileName[PATH_MAX];
#endif
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