src/cpu/x86/vm/vm_version_x86.hpp

rev 9054 : 8219241: Provide basic virtualization related info in the hs_error file on linux/windows x86_64
Reviewed-by: dholmes, mdoerr

@@ -531,10 +531,13 @@
 
   // Initialization
   static void initialize();
 
   // Override Abstract_VM_Version implementation
+  static void print_platform_virtualization_info(outputStream*);
+
+  // Override Abstract_VM_Version implementation
   static bool use_biased_locking();
 
   // Asserts
   static void assert_is_initialized() {
     assert(_cpuid_info.std_cpuid1_eax.bits.family != 0, "VM_Version not initialized");

@@ -749,8 +752,13 @@
   }
   static intx prefetch_fields_ahead() {
     intx count = PrefetchFieldsAhead;
     return count >= 0 ? count : 1;
   }
+
+  // support functions for virtualization detection
+private:
+  static void check_virt_cpuid(uint32_t idx, uint32_t *regs);
+  static void check_virtualizations();
 };
 
 #endif // CPU_X86_VM_VM_VERSION_X86_HPP