2011-03-30 12:46:40 +00:00
|
|
|
#include <u.h>
|
|
|
|
|
#include <libc.h>
|
|
|
|
|
#include <bio.h>
|
|
|
|
|
#include "../vc/v.out.h"
|
2020-04-11 03:03:49 +00:00
|
|
|
#include "../cc/compat.h"
|
2011-03-30 12:46:40 +00:00
|
|
|
|
|
|
|
|
typedef struct Sym Sym;
|
|
|
|
|
typedef struct Gen Gen;
|
|
|
|
|
typedef struct Io Io;
|
|
|
|
|
typedef struct Hist Hist;
|
|
|
|
|
|
|
|
|
|
#define MAXALIGN 7
|
|
|
|
|
#define FPCHIP 1
|
|
|
|
|
#define NSYMB 8192
|
|
|
|
|
#define BUFSIZ 8192
|
|
|
|
|
#define HISTSZ 20
|
|
|
|
|
#define NINCLUDE 10
|
|
|
|
|
#define NHUNK 10000
|
|
|
|
|
#define EOF (-1)
|
|
|
|
|
#define IGN (-2)
|
|
|
|
|
#define GETC() ((--fi.c < 0)? filbuf(): *fi.p++ & 0xff)
|
|
|
|
|
#define NHASH 503
|
|
|
|
|
#define STRINGSZ 200
|
|
|
|
|
#define NMACRO 10
|
|
|
|
|
|
|
|
|
|
struct Sym
|
|
|
|
|
{
|
|
|
|
|
Sym* link;
|
|
|
|
|
char* macro;
|
|
|
|
|
long value;
|
|
|
|
|
ushort type;
|
|
|
|
|
char *name;
|
|
|
|
|
char sym;
|
|
|
|
|
};
|
|
|
|
|
#define S ((Sym*)0)
|
|
|
|
|
|
|
|
|
|
EXTERN struct
|
|
|
|
|
{
|
|
|
|
|
char* p;
|
|
|
|
|
int c;
|
|
|
|
|
} fi;
|
|
|
|
|
|
|
|
|
|
struct Io
|
|
|
|
|
{
|
|
|
|
|
Io* link;
|
|
|
|
|
char b[BUFSIZ];
|
|
|
|
|
char* p;
|
|
|
|
|
short c;
|
|
|
|
|
short f;
|
|
|
|
|
};
|
|
|
|
|
#define I ((Io*)0)
|
|
|
|
|
|
|
|
|
|
EXTERN struct
|
|
|
|
|
{
|
|
|
|
|
Sym* sym;
|
|
|
|
|
short type;
|
|
|
|
|
} h[NSYM];
|
|
|
|
|
|
|
|
|
|
struct Gen
|
|
|
|
|
{
|
|
|
|
|
Sym* sym;
|
|
|
|
|
long offset;
|
|
|
|
|
short type;
|
|
|
|
|
short reg;
|
|
|
|
|
short name;
|
|
|
|
|
double dval;
|
|
|
|
|
char sval[8];
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct Hist
|
|
|
|
|
{
|
|
|
|
|
Hist* link;
|
|
|
|
|
char* name;
|
|
|
|
|
long line;
|
|
|
|
|
long offset;
|
|
|
|
|
};
|
|
|
|
|
#define H ((Hist*)0)
|
|
|
|
|
|
|
|
|
|
enum
|
|
|
|
|
{
|
|
|
|
|
CLAST,
|
|
|
|
|
CMACARG,
|
|
|
|
|
CMACRO,
|
|
|
|
|
CPREPROC
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
EXTERN char debug[256];
|
|
|
|
|
EXTERN Sym* hash[NHASH];
|
|
|
|
|
EXTERN char* Dlist[30];
|
|
|
|
|
EXTERN int nDlist;
|
|
|
|
|
EXTERN Hist* ehist;
|
|
|
|
|
EXTERN int newflag;
|
|
|
|
|
EXTERN Hist* hist;
|
|
|
|
|
EXTERN char* include[NINCLUDE];
|
|
|
|
|
EXTERN Io* iofree;
|
|
|
|
|
EXTERN Io* ionext;
|
|
|
|
|
EXTERN Io* iostack;
|
|
|
|
|
EXTERN long lineno;
|
|
|
|
|
EXTERN int nerrors;
|
|
|
|
|
EXTERN int nosched;
|
|
|
|
|
EXTERN int ninclude;
|
|
|
|
|
EXTERN Gen nullgen;
|
|
|
|
|
EXTERN char* outfile;
|
|
|
|
|
EXTERN int pass;
|
|
|
|
|
EXTERN char* pathname;
|
|
|
|
|
EXTERN long pc;
|
|
|
|
|
EXTERN int peekc;
|
|
|
|
|
EXTERN int sym;
|
|
|
|
|
EXTERN char symb[NSYMB];
|
|
|
|
|
EXTERN int thechar;
|
|
|
|
|
EXTERN char* thestring;
|
|
|
|
|
EXTERN Biobuf obuf;
|
|
|
|
|
|
|
|
|
|
void errorexit(void);
|
|
|
|
|
void pushio(void);
|
|
|
|
|
void newio(void);
|
|
|
|
|
void newfile(char*, int);
|
|
|
|
|
Sym* slookup(char*);
|
|
|
|
|
Sym* lookup(void);
|
|
|
|
|
void syminit(Sym*);
|
|
|
|
|
long yylex(void);
|
|
|
|
|
int getc(void);
|
|
|
|
|
int getnsc(void);
|
|
|
|
|
void unget(int);
|
|
|
|
|
int escchar(int);
|
|
|
|
|
void cinit(void);
|
|
|
|
|
void pinit(char*);
|
|
|
|
|
void cclean(void);
|
|
|
|
|
int isreg(Gen*);
|
|
|
|
|
void outcode(int, Gen*, int, Gen*);
|
|
|
|
|
void zname(char*, int, int);
|
|
|
|
|
void zaddr(Gen*, int);
|
|
|
|
|
void ieeedtod(Ieee*, double);
|
|
|
|
|
int filbuf(void);
|
|
|
|
|
Sym* getsym(void);
|
|
|
|
|
void domacro(void);
|
|
|
|
|
void macund(void);
|
|
|
|
|
void macdef(void);
|
2021-10-12 03:06:20 +00:00
|
|
|
int macexpand(Sym*, char*, int);
|
2011-03-30 12:46:40 +00:00
|
|
|
void macinc(void);
|
|
|
|
|
void maclin(void);
|
|
|
|
|
void macprag(void);
|
|
|
|
|
void macif(int);
|
|
|
|
|
void macend(void);
|
|
|
|
|
void outhist(void);
|
|
|
|
|
void dodefine(char*);
|
|
|
|
|
void prfile(long);
|
|
|
|
|
void linehist(char*, int);
|
|
|
|
|
void yyerror(char*, ...);
|
|
|
|
|
int yyparse(void);
|
|
|
|
|
void setinclude(char*);
|
|
|
|
|
int assemble(char*);
|
