patch-2.1.48 linux/arch/ppc/boot/find_name.c

• Lines: 48
• Date: Thu Jul 31 13:09:17 1997
• Orig file: v2.1.47/linux/arch/ppc/boot/find_name.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.47/linux/arch/ppc/boot/find_name.c linux/arch/ppc/boot/find_name.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <asm/page.h>
+#include <sys/mman.h>
+/*
+ * Finds a given address in the System.map and prints it out
+ * with its neighbors.  -- Cort
+ */
+
+void main(int argc, char **argv)
+{
+	unsigned long addr, cmp, i;
+	FILE *f;
+	char *ptr;
+	char s[256], last[256];
+	
+	if ( argc < 2 )
+	{
+		fprintf(stderr, "Usage: %s <address>\n", argv[0]);
+		exit(-1);
+	}
+
+	for ( i = 1 ; argv[i] ; i++ )
+	{
+		sscanf( argv[i], "%0x", &addr );
+		/* adjust if addr is relative to kernelbase */
+		if ( addr < PAGE_OFFSET )
+			addr += PAGE_OFFSET;
+		
+		if ( (f = fopen( "System.map", "r" )) == NULL )
+		{
+			perror("fopen()\n");
+			exit(-1);
+		}
+		
+		while ( !feof(f) )
+		{
+			fgets(s, 255 , f);
+			sscanf( s, "%0x", &cmp );
+			if ( addr < cmp )
+				break;
+			strcpy( last, s);
+		}
+		
+		printf( "%s", last);
+	}		
+	fclose(f);
+}