[LV-kern-commit] CVS: kernel-2.4/arch/vax/kernel regdump.c,1.1,1.2

[Kenn H. <ke...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/arch/vax/kernel
In directory usw-pr-cvs1:/tmp/cvs-serv27684

Modified Files:
	regdump.c 
Log Message:
Deal with inaccessible virtual addresses in hex_dump()


Index: regdump.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/arch/vax/kernel/regdump.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- regdump.c	2001/01/17 16:13:57	1.1
+++ regdump.c	2001/01/29 00:57:00	1.2
@@ -14,8 +14,8 @@
 #include <asm/psl.h>
 #include <asm/ptrace.h>
 #include <asm/system.h>
+#include <asm/uaccess.h>
 
-
 void show_regs(struct pt_regs *regs)
 {
 	struct psl_fields *psl;
@@ -100,14 +100,22 @@
 
 void hex_dump(void *addr, unsigned int bytes)
 {
-	unsigned int *p = (unsigned int *)addr;
+	unsigned int *p = addr;
 	unsigned int i;
+	unsigned int x;
 
-	for (i=0; i<bytes; i+=4) {
-		printk("  %08x  %08x %08x %08x %08x\n",
-			(unsigned int)(p + i),
-			p[i], p[i+1],
-			p[i+2], p[i+3]);
+	for (i=0; i<bytes/4; i++) {
+		if (i%4 == 0) {
+			printk("  %08lx ", (unsigned long)(p+i));
+		}
+		if (get_user(x, p+i)) {
+			printk(" --------");
+		} else {
+			printk(" %08x", x);
+		}
+		if (i%4 == 3) {
+			printk("\n");
+		}
 	}
 }
 
@@ -160,7 +168,7 @@
 		target_sp += (target_ap->argc + 1);
 	}
 
-	hex_dump(target_sp, 32);
+	hex_dump(target_sp, 256);
 }
 
 void dump_cur_regs(unsigned int frames)