usr/src/cmd/sdb/head.h

#include <stdio.h>
#include "bio.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 */

/* source file i/o */
char    curfile[30];    /* name of file being edited */
int     fline;          /* line number in file */
int     maxfline;       /* maximum line number in file, 0 if unknown */
struct brbuf  fiobuf;   /* file descriptor */
char    fbuf[256];      /* current line from file */
char    filework[128];  /* place to put filename */
char    *fp; /* pointer to it */

/* returned by slookup */
char    sl_name[8];
char    sl_class, sl_type;
int     sl_size, sl_addr;
int     subflag;

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

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

char    *odesc;                 /* descriptor of last displayed variable */
char    otype;                  /* type of last displayed variable */
char    oclass;                 /* class of last displayed variable */

#define STABMASK        0376

#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 */

struct filet {
        char    sfilename[31];  /* source file name */
        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 {
        char    pname[8];       /* procedure name */
        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 */
} *procs, *badproc;


#define PROCINCR 20
#define FILEINCR 10
#define MAXADDR 1L<<30

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

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

#define WINDOW  10
#define COMMANDS        "\004+-=!/abcdemnpqrstwxz"
int     debug;