diff -Nruap src.org/staptree.cxx src/staptree.cxx
--- src.org/staptree.cxx	2005-12-05 03:38:54.000000000 +0800
+++ src/staptree.cxx	2005-12-05 03:39:19.000000000 +0800
@@ -15,7 +15,15 @@
 #include <cassert>
 
 using namespace std;
-
+#if __WORDSIZE == 64
+ #ifdef __x86_64__
+   #define PRi64 "ll"
+ #else
+   #define PRi64 "l"
+ #endif
+#else
+   #define PRi64 "ll"
+#endif
 
 expression::expression ():
   type (pe_unknown), tok (0)
@@ -367,23 +375,23 @@ print_format::components_to_string(vecto
 	  switch (i->type)	
 	    {	  
 	    case conv_signed_decimal:
-	      oss << "lld";
+	      oss << PRi64"d";
 	      break;
 
 	    case conv_unsigned_decimal:
-	      oss << "llu";
+	      oss << PRi64"u";
 	      break;
 
 	    case conv_unsigned_octal:
-	      oss << "llo";
+	      oss << PRi64"o";
 	      break;
 
 	    case conv_unsigned_uppercase_hex:
-	      oss << "llX";
+	      oss << PRi64"X";
 	      break;
 
 	    case conv_unsigned_lowercase_hex:
-	      oss << "llx";
+	      oss << PRi64"x";
 	      break;
 
 	    case conv_string: