2005-11-19 Jim Blandy <[email protected]>

[binutils.git] / gdb / tracepoint.c

diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c
index 1858681314c7af2af137d0daa8ef688dba9d0c2e..42326638f03f112fb005b5768bc41693e2ef2a19 100644 (file)
--- a/gdb/tracepoint.c
+++ b/gdb/tracepoint.c
@@ -1437,10 +1437,17 @@ stringify_collection_list (struct collection_list *list, char *string)
          end = temp_buf;
        }
 
-      sprintf (end, "M%X,%s,%lX", 
-              list->list[i].type,
-              tmp2,
-              (long) (list->list[i].end - list->list[i].start));
+      {
+        bfd_signed_vma length = list->list[i].end - list->list[i].start;
+
+        /* The "%X" conversion specifier expects an unsigned argument,
+           so passing -1 to it directly gives you "FFFFFFFF" (or more,
+           depending on sizeof (unsigned)).  Special-case it.  */
+        if (list->list[i].type == -1)
+          sprintf (end, "M-1,%s,%lX", tmp2, (long) length);
+        else
+          sprintf (end, "M%X,%s,%lX", list->list[i].type, tmp2, (long) length);
+      }
 
       count += strlen (end);
       end = temp_buf + count;