When warning about permissions being changed on a large chunk of
memory report the actual addresses involved not just the size.

Based on patch from John Reiser <jreiser@BitWagon.com>.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8440 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/memcheck/mc_main.c b/memcheck/mc_main.c
index 3f39f2a..7f581e8 100644
--- a/memcheck/mc_main.c
+++ b/memcheck/mc_main.c
@@ -1357,7 +1357,8 @@
          if (vabits16 == VA_BITS16_UNDEFINED) s = "undefined";
          if (vabits16 == VA_BITS16_DEFINED  ) s = "defined";
          VG_(message)(Vg_UserMsg, "Warning: set address range perms: "
-                                  "large range %lu (%s)", lenT, s);
+                                  "large range [0x%lx, 0x%lx) (%s)",
+                                  a, a + lenT, s);
       }
    }