BSD 4 release

[unix-history] / usr / src / cmd / sdb / head.h

/* "@(#)head.h 4.1 10/9/80" */
#include <sys/vm.h>
#define PAGSIZ  (CLSIZE*NBPG)
#include <stdio.h>
#include <setjmp.h>
#include <sgtty.h>
#include "old.h"
#include "defs.h"

/* input line decoding */
char    proc[30];       /* procedure name */
int     integ;          /* count or number in input */
char    cmd;            /* command letter */
char    re[128];        /* regular expression */
char    args[128];      /* arguments */
char    *argsp;         /* pointer to args */
char    var[60];        /* variable name */
int     scallf;         /* set to 1 iff procedure call */
int     reflag;         /* set to 1 iff re */
int     redir;          /* set to 1 iff forward search */
int     colonflag;      /* set to 1 iff colon typed */
int     ncolonflag;     /* set to 1 iff colon typed after number */
int     percentflag;    /* set to 1 iff percent symbol typed */

/* source file i/o */
char    curfile[30];    /* name of file being edited */
int     fline;          /* line number in file */
char    fbuf[BUFSIZ];   /* current line from file */
char    filework[128];  /* place to put filename */
char    *fp;            /* pointer to it */
int     nolines;        /* set to 1 iff no lines in file */
#ifdef FLEXNAMES
off_t   gstart;         /* start of string table in a.out */
char    *strtab;        /* string table from a.out * (in core!) */
long    ssiz;           /* size of string table (for range checks) */
#endif

/* returned by slookup */
#ifndef FLEXNAMES
char    sl_name[8];
#else
char    *sl_name;
#endif
char    sl_class;
short   sl_type;
int     sl_size, sl_addr;
int     subflag;

/* procedure call information */
int scallx;                     /* procedure call in progress */
ADDR fps, aps, pcs;             /* old stack frame */
BKPTR bkpts;                    /* old breakpoint */
int flagss;                     /*  and its flags */
char dschar;                    /* '/' if value should be displayed */

/* symbol table info */
long    ststart;                /* offset of symbol table in a.out */
#ifndef VMUNIX
struct brbuf sbuf;              /* buffer for symbol table */
#endif
long    extstart;               /* offset of first external in a.out */

/* address info */
ADDR    dot;                    /* current address */
ADDR    callpc, frame, argp;    /* current stack frame */

/* other */
char    odesc[10];              /* descriptor of last displayed variable */
ADDR    oaddr;                  /* address of last displayed variable */
char    otype;                  /* type of last displayed variable */
char    oclass;                 /* class of last displayed variable */
char    oincr;                  /* size of last displayed variable */
struct sgttyb sdbttym, userttym;
                               /* tty modes for sdb and user */
char    oldargs[128];
char prname[50];                /* print name used by outvar */
jmp_buf env;                    /* environment for setjmp, longjmp */
int     debug;                  /* toggled by Y command */
time_t  symtime;                /* modification time of symfil */
char    *symfil;
char    *corfil;
ADDR    exactaddr, lnfaddr;     /* set by adrtolineno() */
ADDR    firstdata;              /* lowest address of data */

#define STABMASK        0376
#define WINDOW  10              /* window size for display commands */
#define COMMANDS        "\004\"+-=!/BCDMQRSTXabcdegklmpqrstwxzVXY"
                               /* each sdb command must appear here */
#define NUMARGS 16              /* number of args allowed in sub call */
#define SUBSTSP 512             /* length of space for sub args and strings */
#define WORDSIZE 4              /* wordsize in bytes on this machine */

#define BIGNUM  0x7fffffff
#define MAXADDR 1L<<30

struct filet {
#ifndef FLEXNAMES
       char    sfilename[31];  /* source file name */
#else
       char    *sfilename;
#endif
       char    lineflag;       /* set iff this is a '#line' file */
       ADDR    faddr;          /* address in core */
       long    stf_offset;     /* offset in a.out */
} *files, *badfile;

struct proct {
#ifndef FLEXNAMES
       char    pname[8];       /* procedure name */
#else
       char    *pname;
#endif
       ADDR    paddr;          /* address in core */
       long    st_offset;      /* offset in a.out */
       struct filet  *sfptr;   /* source file name pointer */
       int     lineno;         /* line number in source file */
       char    entrypt;        /* 1 iff a F77 entry */
} *procs, *badproc;


#define PROCINCR 20
#define FILEINCR 10

#define varchar(x)      ((x>='A' && x<='Z') || (x>='a' &&  x<='z') || x == '_' || x == '.' || x == '[' || x == ']' || x == '-' || x == '>' || x == '*' || x == '?')
#define number(x)       (x >= '0' && x <= '9')

char *readline(), readchar(), rdc();
char *cpname();
char *cpstr(), *cpall();
char *sbrk();
char *typetodesc();
int octdigit(), decdigit(); hexdigit();
int octconv(), decconv(); hexconv();
long readint(), rint();
long adrtostoffset();
long getval(), argvalue();
long slookup(), globallookup();
ADDR varaddr(), dispvar();
ADDR extaddr(), formaddr(), stackreg();
struct proct *curproc();
struct proct *findproc();
struct proct *adrtoprocp();
struct proct *initframe(), *nextframe();
struct filet *findfile(), *adrtofilep();