292   static bool xdebug_mode()             { return _xdebug_mode; }
 293 
 294   // Used to save default settings
 295   static bool _AlwaysCompileLoopMethods;
 296   static bool _UseOnStackReplacement;
 297   static bool _BackgroundCompilation;
 298   static bool _ClipInlining;
 299   static bool _CIDynamicCompilePriority;
 300 
 301   // Tiered
 302   static void set_tiered_flags();
 303   // CMS/ParNew garbage collectors
 304   static void set_parnew_gc_flags();
 305   static void set_cms_and_parnew_gc_flags();
 306   // UseParallel[Old]GC
 307   static void set_parallel_gc_flags();
 308   // Garbage-First (UseG1GC)
 309   static void set_g1_gc_flags();
 310   // GC ergonomics
 311   static void set_use_compressed_oops();

 312   static void set_ergonomics_flags();
 313   static void set_shared_spaces_flags();
 314   // limits the given memory size by the maximum amount of memory this process is
 315   // currently allowed to allocate or reserve.
 316   static julong limit_by_allocatable_memory(julong size);
 317   // Setup HeapBaseMinAddress
 318   static void set_heap_base_min_address();
 319   // Setup heap size
 320   static void set_heap_size();
 321   // Based on automatic selection criteria, should the
 322   // low pause collector be used.
 323   static bool should_auto_select_low_pause_collector();
 324 
 325   // Bytecode rewriting
 326   static void set_bytecode_flags();
 327 
 328   // Invocation API hooks
 329   static abort_hook_t     _abort_hook;
 330   static exit_hook_t      _exit_hook;
 331   static vfprintf_hook_t  _vfprintf_hook;

 292   static bool xdebug_mode()             { return _xdebug_mode; }
 293 
 294   // Used to save default settings
 295   static bool _AlwaysCompileLoopMethods;
 296   static bool _UseOnStackReplacement;
 297   static bool _BackgroundCompilation;
 298   static bool _ClipInlining;
 299   static bool _CIDynamicCompilePriority;
 300 
 301   // Tiered
 302   static void set_tiered_flags();
 303   // CMS/ParNew garbage collectors
 304   static void set_parnew_gc_flags();
 305   static void set_cms_and_parnew_gc_flags();
 306   // UseParallel[Old]GC
 307   static void set_parallel_gc_flags();
 308   // Garbage-First (UseG1GC)
 309   static void set_g1_gc_flags();
 310   // GC ergonomics
 311   static void set_use_compressed_oops();
 312   static void set_use_compressed_klass_ptrs();
 313   static void set_ergonomics_flags();
 314   static void set_shared_spaces_flags();
 315   // limits the given memory size by the maximum amount of memory this process is
 316   // currently allowed to allocate or reserve.
 317   static julong limit_by_allocatable_memory(julong size);
 318   // Setup HeapBaseMinAddress
 319   static void set_heap_base_min_address();
 320   // Setup heap size
 321   static void set_heap_size();
 322   // Based on automatic selection criteria, should the
 323   // low pause collector be used.
 324   static bool should_auto_select_low_pause_collector();
 325 
 326   // Bytecode rewriting
 327   static void set_bytecode_flags();
 328 
 329   // Invocation API hooks
 330   static abort_hook_t     _abort_hook;
 331   static exit_hook_t      _exit_hook;
 332   static vfprintf_hook_t  _vfprintf_hook;