[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();
Commit	Line	Data
31cef89c	1	/* "@(#)head.h 4.1 10/9/80" */
5a41b710 BJ	2	#include <sys/vm.h>
	3	#define PAGSIZ (CLSIZE*NBPG)
	4	#include <stdio.h>
	5	#include <setjmp.h>
	6	#include <sgtty.h>
	7	#include "old.h"
	8	#include "defs.h"
	9
	10	/* input line decoding */
	11	char proc[30]; /* procedure name */
	12	int integ; /* count or number in input */
	13	char cmd; /* command letter */
	14	char re[128]; /* regular expression */
	15	char args[128]; /* arguments */
	16	char argsp; / pointer to args */
	17	char var[60]; /* variable name */
	18	int scallf; /* set to 1 iff procedure call */
	19	int reflag; /* set to 1 iff re */
	20	int redir; /* set to 1 iff forward search */
	21	int colonflag; /* set to 1 iff colon typed */
	22	int ncolonflag; /* set to 1 iff colon typed after number */
	23	int percentflag; /* set to 1 iff percent symbol typed */
	24
	25	/* source file i/o */
	26	char curfile[30]; /* name of file being edited */
	27	int fline; /* line number in file */
	28	char fbuf[BUFSIZ]; /* current line from file */
	29	char filework[128]; /* place to put filename */
	30	char fp; / pointer to it */
	31	int nolines; /* set to 1 iff no lines in file */
	32	#ifdef FLEXNAMES
	33	off_t gstart; /* start of string table in a.out */
	34	char strtab; / string table from a.out * (in core!) */
	35	long ssiz; /* size of string table (for range checks) */
	36	#endif
	37
	38	/* returned by slookup */
	39	#ifndef FLEXNAMES
	40	char sl_name[8];
	41	#else
	42	char *sl_name;
	43	#endif
	44	char sl_class;
	45	short sl_type;
	46	int sl_size, sl_addr;
	47	int subflag;
	48
	49	/* procedure call information */
	50	int scallx; /* procedure call in progress */
	51	ADDR fps, aps, pcs; /* old stack frame */
	52	BKPTR bkpts; /* old breakpoint */
	53	int flagss; /* and its flags */
	54	char dschar; /* '/' if value should be displayed */
	55
	56	/* symbol table info */
	57	long ststart; /* offset of symbol table in a.out */
	58	#ifndef VMUNIX
	59	struct brbuf sbuf; /* buffer for symbol table */
	60	#endif
	61	long extstart; /* offset of first external in a.out */
	62
	63	/* address info */
	64	ADDR dot; /* current address */
	65	ADDR callpc, frame, argp; /* current stack frame */
66
67	/* other */
68	char odesc[10]; /* descriptor of last displayed variable */
69	ADDR oaddr; /* address of last displayed variable */
70	char otype; /* type of last displayed variable */
71	char oclass; /* class of last displayed variable */
72	char oincr; /* size of last displayed variable */
73	struct sgttyb sdbttym, userttym;
74	/* tty modes for sdb and user */
75	char oldargs[128];
76	char prname[50]; /* print name used by outvar */
77	jmp_buf env; /* environment for setjmp, longjmp */
78	int debug; /* toggled by Y command */
79	time_t symtime; /* modification time of symfil */
80	char *symfil;
81	char *corfil;
82	ADDR exactaddr, lnfaddr; /* set by adrtolineno() */
83	ADDR firstdata; /* lowest address of data */
84
85	#define STABMASK 0376
86	#define WINDOW 10 /* window size for display commands */
87	#define COMMANDS "\004\"+-=!/BCDMQRSTXabcdegklmpqrstwxzVXY"
88	/* each sdb command must appear here */
89	#define NUMARGS 16 /* number of args allowed in sub call */
90	#define SUBSTSP 512 /* length of space for sub args and strings */
91	#define WORDSIZE 4 /* wordsize in bytes on this machine */
92
93	#define BIGNUM 0x7fffffff
94	#define MAXADDR 1L<<30
95
96	struct filet {
97	#ifndef FLEXNAMES
98	char sfilename[31]; /* source file name */
99	#else
100	char *sfilename;
101	#endif
102	char lineflag; /* set iff this is a '#line' file */
103	ADDR faddr; /* address in core */
104	long stf_offset; /* offset in a.out */
105	} files, badfile;
106
107	struct proct {
108	#ifndef FLEXNAMES
109	char pname[8]; /* procedure name */
110	#else
111	char *pname;
112	#endif
113	ADDR paddr; /* address in core */
114	long st_offset; /* offset in a.out */
115	struct filet sfptr; / source file name pointer */
116	int lineno; /* line number in source file */
117	char entrypt; /* 1 iff a F77 entry */
118	} procs, badproc;
119
120
121	#define PROCINCR 20
122	#define FILEINCR 10
123
124	#define varchar(x) ((x>='A' && x<='Z') \|\| (x>='a' && x<='z') \|\| x == '_' \|\| x == '.' \|\| x == '[' \|\| x == ']' \|\| x == '-' \|\| x == '>' \|\| x == '*' \|\| x == '?')
125	#define number(x) (x >= '0' && x <= '9')
126
127	char *readline(), readchar(), rdc();
128	char *cpname();
129	char cpstr(), cpall();
130	char *sbrk();
131	char *typetodesc();
132	int octdigit(), decdigit(); hexdigit();
133	int octconv(), decconv(); hexconv();
134	long readint(), rint();
135	long adrtostoffset();
136	long getval(), argvalue();
137	long slookup(), globallookup();
138	ADDR varaddr(), dispvar();
139	ADDR extaddr(), formaddr(), stackreg();
140	struct proct *curproc();
141	struct proct *findproc();
142	struct proct *adrtoprocp();
143	struct proct initframe(), nextframe();
144	struct filet findfile(), adrtofilep();