src/share/vm/services/nmtCommon.hpp

rev 12121 : 8167650: NMT should check for invalid MEMFLAGS
Reviewed-by:

*** 53,72 ****
--- 53,75 ----
  // A few common utilities for native memory tracking
  class NMTUtil : AllStatic {
   public:
    // Map memory type to index
    static inline int flag_to_index(MEMFLAGS flag) {
+     assert(flag >= 0 && flag < mt_number_of_types, "Invalid flag value %d.", (int)flag);
      return (flag & 0xff);
    }
  
    // Map memory type to human readable name
    static const char* flag_to_name(MEMFLAGS flag) {
+     assert(flag >= 0 && flag < mt_number_of_types, "Invalid flag value %d.", (int)flag);
      return _memory_type_names[flag_to_index(flag)];
    }
  
    // Map an index to memory type
    static MEMFLAGS index_to_flag(int index) {
+     assert(index >= 0 && index < (int) mt_number_of_types, "Invalid index value %d.", index);
      return (MEMFLAGS)index;
    }
  
    // Memory size scale
    static const char* scale_name(size_t scale);