src/share/vm/runtime/arguments.hpp

*** 25,34 ****
--- 25,35 ----
  #ifndef SHARE_VM_RUNTIME_ARGUMENTS_HPP
  #define SHARE_VM_RUNTIME_ARGUMENTS_HPP
  
  #include "runtime/java.hpp"
  #include "runtime/perfData.hpp"
+ #include "utilities/debug.hpp"
  #include "utilities/top.hpp"
  
  // Arguments parses the command line and recognizes options
  
  // Invocation API hook typedefs (these should really be defined in jni.hpp)
*** 348,357 ****
--- 349,361 ----
    static bool is_bad_option(const JavaVMOption* option, jboolean ignore,
      const char* option_type);
    static bool is_bad_option(const JavaVMOption* option, jboolean ignore) {
      return is_bad_option(option, ignore, NULL);
    }
+   static bool is_percentage(uintx val) {
+     return val <= 100;
+   }
    static bool verify_interval(uintx val, uintx min,
                                uintx max, const char* name);
    static bool verify_min_value(intx val, intx min, const char* name);
    static bool verify_percentage(uintx value, const char* name);
    static void describe_range_error(ArgsRange errcode);
*** 409,418 ****
--- 413,428 ----
    static char*  SharedArchivePath;
  
   public:
    // Parses the arguments
    static jint parse(const JavaVMInitArgs* args);
+   // Verifies that the given value will fit as a MinHeapFreeRatio. If not, an error
+   // message is returned in the provided buffer.
+   static bool verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio);
+   // Verifies that the given value will fit as a MaxHeapFreeRatio. If not, an error
+   // message is returned in the provided buffer.
+   static bool verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio);
    // Check for consistency in the selection of the garbage collector.
    static bool check_gc_consistency();
    // Check consistecy or otherwise of VM argument settings
    static bool check_vm_args_consistency();
    // Check stack pages settings