247 lines
6 KiB
C
247 lines
6 KiB
C
/*
|
|
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
|
*/
|
|
/*
|
|
* global data
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
|
|
extern int wordsize;
|
|
extern int ptrsize;
|
|
extern cons_t maxadr;
|
|
extern cons_t maxint;
|
|
extern cons_t maxdint;
|
|
extern cons_t maxunsig;
|
|
extern cons_t maxdunsig;
|
|
|
|
/*
|
|
* tables loaded from em_libraries
|
|
*/
|
|
extern char em_flag[];
|
|
|
|
/*
|
|
The structure containing used for procedure environment stacking
|
|
*/
|
|
extern stat_t pstate ;
|
|
|
|
/*
|
|
* pointers to not yet allocated storage
|
|
*/
|
|
extern glob_t *mglobs;
|
|
extern glob_t *xglobs;
|
|
extern proc_t *mprocs;
|
|
extern proc_t *xprocs;
|
|
extern ptab_t *proctab;
|
|
|
|
extern FILE *ifile;
|
|
extern FILE *tfile;
|
|
extern FILE *dfile;
|
|
extern FILE *rtfile;
|
|
extern FILE *rdfile;
|
|
extern char string[];
|
|
|
|
/*
|
|
* some other pointers
|
|
*/
|
|
extern glob_t *lastglosym;
|
|
extern glob_t *curglosym;
|
|
extern siz_t *oursize;
|
|
extern relc_t *f_data;
|
|
extern relc_t *l_data;
|
|
extern relc_t *f_text;
|
|
extern relc_t *l_text;
|
|
|
|
/*
|
|
* some indices
|
|
*/
|
|
extern int strlngth;
|
|
extern FOFFSET inpoff;
|
|
extern FOFFSET libeof;
|
|
|
|
/*
|
|
* some other counters
|
|
*/
|
|
extern int procnum;
|
|
extern cons_t prog_size;
|
|
extern int max_bytes;
|
|
extern int pass;
|
|
extern int line_num;
|
|
extern int nerrors;
|
|
extern cons_t textbytes;
|
|
extern cons_t databytes;
|
|
extern FOFFSET dataoff;
|
|
extern FOFFSET textoff;
|
|
extern FOFFSET lastoff;
|
|
extern int datamode;
|
|
extern int datablocks;
|
|
extern relc_t *lastheader;
|
|
extern cons_t holbase;
|
|
extern cons_t holsize;
|
|
extern int unresolved;
|
|
extern int sourcelines;
|
|
extern int intflags;
|
|
/*
|
|
* some flags
|
|
*/
|
|
extern int archmode;
|
|
extern int procflag;
|
|
#ifdef DUMP
|
|
extern int c_flag;
|
|
extern char opcnt1[];
|
|
extern char opcnt2[];
|
|
extern char opcnt3[];
|
|
#endif
|
|
extern int d_flag;
|
|
extern int r_flag;
|
|
#ifdef JOHAN
|
|
extern int jflag;
|
|
#endif
|
|
extern int wflag;
|
|
extern int Uflag;
|
|
extern int eof_seen;
|
|
extern int mod_sizes;
|
|
/*
|
|
* miscellaneous
|
|
*/
|
|
extern cons_t consiz;
|
|
extern char *progname;
|
|
extern char *curfile;
|
|
extern char *eout;
|
|
extern arch_t archhdr;
|
|
extern siz_t sizes[];
|
|
|
|
extern char linesize[];
|
|
|
|
/*
|
|
* from asstb.c
|
|
*/
|
|
|
|
extern char *opindex[] ;
|
|
extern char opchoice[] ;
|
|
extern int maxinsl ;
|
|
|
|
/* Generate temporary filename. Fatal error in case of error. */
|
|
extern char *tmpfil(void);
|
|
|
|
|
|
/* Read next byte from "af" file, fatal error if there isn't one. */
|
|
extern int xgetc(register FILE *af);
|
|
/* Read a value of length "l" bytes from file "f",
|
|
* fatal error if cannot be read.
|
|
*/
|
|
extern cons_t xgetarb(int l,FILE *f);
|
|
/* Read the pointer constant a from file "f".
|
|
* NOTE: The bytes were written low to high (little-endian).
|
|
*/
|
|
extern cons_t xgeta(FILE* f);
|
|
|
|
|
|
|
|
/* Output one byte into file "af" and fatal error if it gives an error */
|
|
extern void xputc(int c,register FILE *af);
|
|
/* Output a 16-bit value into file "f" in little-endian, fatal error if it gives an error. */
|
|
extern void xput16(int w,FILE *f);
|
|
/* Output a value of "l" bytes into file "f" and fatal error if it gives an error. */
|
|
extern void xputarb(int l,cons_t w, FILE* f);
|
|
/* Assemble the pointer constant a into file "f".
|
|
* NOTE: The bytes are written low to high (little-endian).
|
|
*/
|
|
extern void xputa(cons_t a,FILE* f);
|
|
|
|
|
|
|
|
|
|
|
|
/* Write a byte value into the code temporary file. */
|
|
extern void put8(int n);
|
|
/* Write a 16-bit value into the code temporary file. */
|
|
extern void put16(int n);
|
|
/* Write a 32-bit value into the code temporary file. */
|
|
extern void put32(cons_t n);
|
|
/* Write a 64-bit value into the code temporary file. */
|
|
extern void put64(cons_t n);
|
|
|
|
|
|
/* Read a byte from the input file, return EOF upon error of EOF */
|
|
extern int xget8(void);
|
|
/* Read a byte from the input file, fatal error upon error or EOF. */
|
|
extern unsigned int get8(void);
|
|
/* Read a signed 16-bit value from the input file. Raise
|
|
* a fatal error upon error or end of stream.
|
|
*/
|
|
extern int get16(void);
|
|
/* Read an unsigned 16-bit value from the input file. Raise
|
|
* a fatal error upon error or end of stream.
|
|
*/
|
|
extern int getu16(void);
|
|
/* Read a 32-bit value from the input file. Raise
|
|
* a fatal error upon error or end of stream.
|
|
*/
|
|
extern cons_t get32(void);
|
|
|
|
|
|
|
|
/* Write a byte to the data file. */
|
|
extern void ext8(int b);
|
|
/* Write a 16-bit value to the data file.
|
|
* The value is written from low to high (little-endian)
|
|
*/
|
|
extern void extword(cons_t w);
|
|
/* Write "value" of "size" bytes to the data file. The bytes
|
|
* are written low to high.
|
|
*/
|
|
extern void extarb(int size, long value);
|
|
/* Write pointer "a". The bytes are
|
|
* written from low to high to the data file.
|
|
*/
|
|
extern void extadr(cons_t a);
|
|
|
|
|
|
|
|
/* Returns the opcode length in bytes */
|
|
extern int oplength(int);
|
|
extern void genop(char *,cons_t,int );
|
|
|
|
extern void putblk(register FILE *stream,register char *from, register int amount);
|
|
extern int getblk(register FILE *stream, register char *from, register int amount);
|
|
|
|
|
|
extern void set_mode(int mode);
|
|
|
|
/* Dump current information to screen if dump flag is enabled. */
|
|
void dump(int n);
|
|
|
|
/*
|
|
extern char *findnop();
|
|
extern char *findfit();
|
|
|
|
*/
|
|
extern glob_t *glolookup(char *name,int status,glob_t *table, int size);
|
|
extern proc_t *searchproc(char *name,proc_t *table,int size);
|
|
extern glob_t *glo2lookup(char *name ,int status);
|
|
extern glob_t *xglolookup(char *name,int status);
|
|
extern proc_t *prolookup(char *name,int status);
|
|
extern locl_t *loclookup(unsigned int an,int status);
|
|
extern proc_t *enterproc(char *name,int status,proc_t *place);
|
|
extern cons_t parval(line_t *lnp,char *defined);
|
|
|
|
|
|
extern void determine_props(line_t *lnp, int *min_len, int *max_len);
|
|
extern int opfit(int flag,int number,cons_t val,int i_flag);
|
|
|
|
extern void initproc(void);
|
|
extern void endproc(void);
|
|
extern void init_files(void);
|
|
extern void init_module(void);
|
|
extern void end_module(void);
|
|
extern void do_proc(void);
|
|
extern void ertrap(void);
|
|
extern void init_vars(void);
|
|
|
|
extern void error(const char* string1, ...);
|
|
extern void werror(const char* string1, ...);
|
|
extern void fatal(char *s);
|
|
|
|
|