From b6591e77a03a2acf50546d7c67b6f901f8bb8917 Mon Sep 17 00:00:00 2001
From: tmm <tmm@FreeBSD.org>
Date: Tue, 25 Jun 2002 15:59:24 +0000
Subject: Don't assume that pointers are 4 bytes or sizeof(int) in size. This
 fixes the indirection operator ('*') and address examination ('x/a') on
 big-endian platoforms for which the above is not true, as well as on
 little-endian platforms if the cut-off bits are not 0.

---
 sys/ddb/db_examine.c | 7 ++-----
 sys/ddb/db_expr.c    | 2 +-
 2 files changed, 3 insertions(+), 6 deletions(-)

(limited to 'sys')

diff --git a/sys/ddb/db_examine.c b/sys/ddb/db_examine.c
index dd1cadd..377316a 100644
--- a/sys/ddb/db_examine.c
+++ b/sys/ddb/db_examine.c
@@ -83,26 +83,22 @@ db_examine(addr, fmt, count)
 	while (--count >= 0) {
 	    fp = fmt;
 	    size = 4;
-	    width = 16;
 	    while ((c = *fp++) != 0) {
 		switch (c) {
 		    case 'b':
 			size = 1;
-			width = 4;
 			break;
 		    case 'h':
 			size = 2;
-			width = 8;
 			break;
 		    case 'l':
 			size = 4;
-			width = 16;
 			break;
 		    case 'g':
 			size = 8;
-			width = 32;
 			break;
 		    case 'a':	/* address */
+			size = sizeof(void *);
 			/* always forces a new line */
 			if (db_print_position() != 0)
 			    db_printf("\n");
@@ -118,6 +114,7 @@ db_examine(addr, fmt, count)
 			    db_prev = addr;
 			}
 
+			width = size * 4;
 			switch (c) {
 			    case 'r':	/* signed, current radix */
 				value = db_get_value(addr, size, TRUE);
diff --git a/sys/ddb/db_expr.c b/sys/ddb/db_expr.c
index 850121b..eb627e7 100644
--- a/sys/ddb/db_expr.c
+++ b/sys/ddb/db_expr.c
@@ -119,7 +119,7 @@ db_unary(valuep)
 		db_error("Syntax error\n");
 		/*NOTREACHED*/
 	    }
-	    *valuep = db_get_value((db_addr_t)*valuep, sizeof(int), FALSE);
+	    *valuep = db_get_value((db_addr_t)*valuep, sizeof(void *), FALSE);
 	    return (TRUE);
 	}
 	db_unread_token(t);
-- 
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