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Diffstat (limited to 'arch/ppc/kernel/find_name.c')
-rw-r--r--arch/ppc/kernel/find_name.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/ppc/kernel/find_name.c b/arch/ppc/kernel/find_name.c
new file mode 100644
index 00000000000..3c0fa8e0c07
--- /dev/null
+++ b/arch/ppc/kernel/find_name.c
@@ -0,0 +1,48 @@
+#include <stdio.h>
+#include <asm/page.h>
+#include <sys/mman.h>
+#include <strings.h>
+/*
+ * Finds a given address in the System.map and prints it out
+ * with its neighbors. -- Cort
+ */
+
+int main(int argc, char **argv)
+{
+ unsigned long addr, cmp, i;
+ FILE *f;
+ char s[256], last[256];
+
+ if ( argc < 2 )
+ {
+ fprintf(stderr, "Usage: %s <address>\n", argv[0]);
+ return -1;
+ }
+
+ for ( i = 1 ; argv[i] ; i++ )
+ {
+ sscanf( argv[i], "%0lx", &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, "%0lx", &cmp );
+ if ( addr < cmp )
+ break;
+ strcpy( last, s);
+ }
+
+ printf( "%s%s", last, s );
+ }
+ fclose(f);
+ return 0;
+}