12f31456a1
Align data to long so that the MD parts can use aligned load/stores. Don't use db_extend but use db_expr_t based expressions.
110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
/* $NetBSD: db_write_cmd.c,v 1.27 2015/06/06 22:06:05 matt Exp $ */
|
|
|
|
/*
|
|
* 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 "AS IS"
|
|
* 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.
|
|
*
|
|
* Author: David B. Golub, Carnegie Mellon University
|
|
* Date: 7/90
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: db_write_cmd.c,v 1.27 2015/06/06 22:06:05 matt Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/proc.h>
|
|
|
|
#include <ddb/ddb.h>
|
|
|
|
/*
|
|
* Write to file.
|
|
*/
|
|
/*ARGSUSED*/
|
|
void
|
|
db_write_cmd(db_expr_t address, bool have_addr,
|
|
db_expr_t count, const char *modif)
|
|
{
|
|
db_addr_t addr;
|
|
db_expr_t old_value;
|
|
db_expr_t new_value;
|
|
int size;
|
|
bool wrote_one;
|
|
bool show_old_val;
|
|
|
|
addr = (db_addr_t) address;
|
|
wrote_one = false;
|
|
show_old_val = islower((unsigned char)modif[0]);
|
|
|
|
switch (tolower((unsigned char)modif[0])) {
|
|
case 'b':
|
|
size = 1;
|
|
break;
|
|
case 'h':
|
|
size = 2;
|
|
break;
|
|
case 'l':
|
|
case '\0':
|
|
size = 4;
|
|
break;
|
|
case 'q':
|
|
if (sizeof(db_expr_t) != sizeof(uint64_t)) {
|
|
size = -1;
|
|
db_error("q not supported\n");
|
|
/*NOTREACHED*/
|
|
}
|
|
case 'L':
|
|
size = sizeof(db_expr_t);
|
|
break;
|
|
default:
|
|
size = -1;
|
|
db_error("Unknown size\n");
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
while (db_expression(&new_value)) {
|
|
db_printsym(addr, DB_STGY_ANY, db_printf);
|
|
if (show_old_val) {
|
|
old_value = db_get_value(addr, size, false);
|
|
db_printf("\t\t%s = ", db_num_to_str(old_value));
|
|
db_printf("%s\n", db_num_to_str(new_value));
|
|
}
|
|
else
|
|
db_printf("\t\t= %s\n", db_num_to_str(new_value));
|
|
db_put_value(addr, size, new_value);
|
|
addr += size;
|
|
|
|
wrote_one = true;
|
|
}
|
|
|
|
if (!wrote_one) {
|
|
db_error("Nothing written.\n");
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
db_next = addr;
|
|
db_prev = addr - size;
|
|
|
|
db_skip_to_eol();
|
|
}
|