===== arch/ppc64/xmon/xmon.c 1.35 vs edited =====
--- 1.35/arch/ppc64/xmon/xmon.c	Sun Feb 15 15:23:37 2004
+++ edited/arch/ppc64/xmon/xmon.c	Tue Feb 24 14:25:34 2004
@@ -83,6 +83,7 @@
 static void dump(void);
 static void prdump(unsigned long, long);
 static int ppc_inst_dump(unsigned long, long);
+static void lookupsymbol(void);
 void print_address(unsigned long);
 static int getsp(void);
 static void backtrace(struct pt_regs *);
@@ -167,6 +168,7 @@
   ml	locate a block of memory\n\
   mz	zero a block of memory\n\
   mi	show information about memory allocation\n\
+  n     lookup address -> symbol name\n\
   p 	show the task list\n\
   r	print registers\n\
   s	single step\n\
@@ -537,6 +539,9 @@
 		case 'd':
 			dump();
 			break;
+		case 'n':
+			lookupsymbol();
+			break;
 		case 'r':
 			if (excp != NULL)
 				prregs(excp);	/* print regs */
@@ -1644,6 +1649,23 @@
 	printf("0x%lx", addr);
 }

+
+void
+lookupsymbol(void)
+{
+	int c;
+
+	c = inchar();
+	if (c == '\n')
+		termch = c;
+	scanhex((void *)&adrs);
+	if( termch != '\n')
+		termch = 0;
+	printf("%016lx: ", adrs);
+	xmon_print_symbol("%s\n", adrs);
+}
+
+
 /*
  * Memory operations - move, set, print differences
  */
@@ -1820,6 +1842,14 @@
 		}
 		printf("invalid register name '%%%s'\n", regname);
 		return 0;
+	}
+
+	/* skip leading "0x" if any */
+
+	if (c == '0') {
+		c = inchar();
+		if (c == 'x')
+			c = inchar();
 	}

 	d = hexdigit(c);