Ultrix-3.1/src/cmd/adb/defs.h
/**********************************************************************
* Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. *
* All Rights Reserved. *
* Reference "/usr/src/COPYRIGHT" for applicable restrictions. *
**********************************************************************/
#
/* sccsid: @(#)defs.h 3.0 4/21/86 */
/*
*
* UNIX debugger - common definitions
*
* Modified for overlay text support,
* changes flagged by the word OVERLAY
*
* Fred Canter 4/1/82
*
*/
/* Layout of a.out file (fsym):
*
* header of 8 words magic number 405, 407, 410, 411
* text size )
* data size ) in bytes but even
* bss size )
* symbol table size
* entry point
* {unused}
* flag set if no relocation
*
*
* header: 0
* text: 16
* data: 16+textsize
* relocation: 16+textsize+datasize
* symbol table: 16+2*(textsize+datasize) or 16+textsize+datasize
*
*/
/* Layout of a.out file (fsym) for overlay text:
*
* header of 8 words magic number 430, 431
* text size )
* data size ) in bytes but even
* bss size )
* symbol table size
* entry point
* {unused}
* flag set if no relocation
*
* overlay text header size of largest overlay in bytes
* 8 words
* overlay 1 ) size in bytes,
* overlay 2 ) 0 if overlay not used
* overlay 3 )
* overlay 4 )
* overlay 5 )
* overlay 6 )
* overlay 7 )
*
* header: 0
* root text: 32
* overlay text: 32+textsize
* data: 32+textsize+overlay textsize
* relocation: 32+textsize+overlay textsize+datasize
* symbol table: 32 + 2*(textsize+overlay textsize+datasize) or
* 32+textsize+overlay textsize+datasize
*
*/
#include <sys/param.h>
#include <sys/dir.h>
#include <sys/reg.h>
#include <sys/user.h>
#include <sgtty.h>
#include "mac.h"
#include "mode.h"
#ifdef DEBUG
#include <stdio.h>
extern FILE *tracef;
extern int debugflg;
#endif DEBUG
#define VARB 11
#define VARD 13
#define VARE 14
#define VARM 22
#define VARS 28
#define VART 29
#define COREMAGIC 0140000
#define RD 0
#define WT 1
#define NSP 0
#define ISP 1
#define DSP 2
#define STAR 4
#define OVRLAY 010 /* OVERLAY - flag for overlay mode (&) in use */
#define STARCOM 0200
#define DSYM 7
#define ISYM 2
#define ASYM 1
#define NSYM 0
#define ESYM (-1)
#define BKPTSET 1
#define BKPTEXEC 2
#define SYMSIZ 100
#define MAXSIG 20
/* OVERLAY - position of pc & ps on stack frame */
/* NOT USED !, stack moved to below user structure in U block
so these values are no longer valid !
#ifdef OVERLAY
#define USERPS 2*(512-2)
#define USERPC 2*(512-3)
#else
#define USERPS 2*(512-1)
#define USERPC 2*(512-2)
#endif
*/
#define BPT 03
#define FD 0200
#define SETTRC 0
#define RDUSER 2
#define RIUSER 1
#define WDUSER 5
#define WIUSER 4
#define RUREGS 3
#define WUREGS 6
#define CONTIN 7
#define SINGL 9 /* OVERLAY - was SINGLE, conflict with opsec.c */
#define EXIT 8
#define FROFF (&(((struct user *)0)->u_fps))
#define FRLEN (sizeof(((struct user *)0)->u_fps))
#define FRMAX 6
#define FERROFF (&(((struct user *)0)->u_fperr))
#define FERRLEN (sizeof(((struct user *)0)->u_fperr))
#define UROFF (sizeof(((struct user *)0)->u_stack))
/* stack frame register offsets */
#define dev R6-4 /* trap type */
#define ps RPS-3
#define pc PC-3
#define sp R6-3
#define r5 R5-3
#define r4 R4-3
#define r3 R3-3
#define r2 R2-3
#define r1 R1-3
#define r0 R0-3
#define MAXOFF 1023
#define MAXPOS 80
#define MAXLIN 128
#ifndef DEBUG
#define EOF 0
#endif DEBUG
#define EOR '\n'
#define TB '\t'
#define QUOTE 0200
#define STRIP 0177
#define LOBYTE 0377
#define EVEN -2
/* long to ints and back (puns) */
union {
INT I[2];
L_INT L;
} itolws;
#define leng(a) ((long)((unsigned)(a)))
#define shorten(a) ((int)(a))
#define itol(a,b) (itolws.I[0]=(a), itolws.I[1]=(b), itolws.L)
/* result type declarations */
L_INT inkdot();
SYMPTR lookupsym();
SYMPTR symget();
POS get();
POS chkget();
STRING exform();
L_INT round();
BKPTR scanbkpt();
VOID fault();
typedef struct sgttyb TTY;
TTY adbtty, usrtty;
#include <setjmp.h>
jmp_buf erradb;
unsigned sizeov;