124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
/*
|
|
* Mach Operating System
|
|
* Copyright (c) 1991,1990 Carnegie Mellon University
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and its
|
|
* documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
|
|
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*/
|
|
/*
|
|
* HISTORY
|
|
* $Log: db_write_cmd.c,v $
|
|
* Revision 1.1.1.1 1993/03/21 09:45:37 cgd
|
|
* initial import of 386bsd-0.1 sources
|
|
*
|
|
* Revision 1.1 1992/03/25 21:45:42 pace
|
|
* Initial revision
|
|
*
|
|
* Revision 2.4 91/02/05 17:07:35 mrt
|
|
* Changed to new Mach copyright
|
|
* [91/01/31 16:20:19 mrt]
|
|
*
|
|
* Revision 2.3 90/10/25 14:44:26 rwd
|
|
* Changed db_write_cmd to print unsigned.
|
|
* [90/10/19 rpd]
|
|
*
|
|
* Revision 2.2 90/08/27 21:53:54 dbg
|
|
* Set db_prev and db_next instead of explicitly advancing dot.
|
|
* [90/08/22 dbg]
|
|
* Reflected changes in db_printsym()'s calling seq.
|
|
* [90/08/20 af]
|
|
* Warn user if nothing was written.
|
|
* [90/08/07 dbg]
|
|
* Created.
|
|
* [90/07/25 dbg]
|
|
*
|
|
*/
|
|
/*
|
|
* Author: David B. Golub, Carnegie Mellon University
|
|
* Date: 7/90
|
|
*/
|
|
|
|
#include "param.h"
|
|
#include "proc.h"
|
|
#include <machine/db_machdep.h>
|
|
|
|
#include <ddb/db_lex.h>
|
|
#include <ddb/db_access.h>
|
|
#include <ddb/db_command.h>
|
|
#include <ddb/db_sym.h>
|
|
|
|
/*
|
|
* Write to file.
|
|
*/
|
|
/*ARGSUSED*/
|
|
void
|
|
db_write_cmd(address, have_addr, count, modif)
|
|
db_expr_t address;
|
|
boolean_t have_addr;
|
|
db_expr_t count;
|
|
char * modif;
|
|
{
|
|
register
|
|
db_addr_t addr;
|
|
register
|
|
db_expr_t old_value;
|
|
db_expr_t new_value;
|
|
register int size;
|
|
boolean_t wrote_one = FALSE;
|
|
|
|
addr = (db_addr_t) address;
|
|
|
|
switch (modif[0]) {
|
|
case 'b':
|
|
size = 1;
|
|
break;
|
|
case 'h':
|
|
size = 2;
|
|
break;
|
|
case 'l':
|
|
case '\0':
|
|
size = 4;
|
|
break;
|
|
default:
|
|
db_error("Unknown size\n");
|
|
return;
|
|
}
|
|
|
|
while (db_expression(&new_value)) {
|
|
old_value = db_get_value(addr, size, FALSE);
|
|
db_printsym(addr, DB_STGY_ANY);
|
|
db_printf("\t\t%#8n\t=\t%#8n\n", old_value, new_value);
|
|
db_put_value(addr, size, new_value);
|
|
addr += size;
|
|
|
|
wrote_one = TRUE;
|
|
}
|
|
|
|
if (!wrote_one)
|
|
db_error("Nothing written.\n");
|
|
|
|
db_next = addr;
|
|
db_prev = addr - size;
|
|
|
|
db_skip_to_eol();
|
|
}
|
|
|