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



 315   // Setup heap size
 316   static void set_heap_size();
 317   // Based on automatic selection criteria, should the
 318   // low pause collector be used.
 319   static bool should_auto_select_low_pause_collector();
 320 
 321   // Bytecode rewriting
 322   static void set_bytecode_flags();
 323 
 324   // Invocation API hooks
 325   static abort_hook_t     _abort_hook;
 326   static exit_hook_t      _exit_hook;
 327   static vfprintf_hook_t  _vfprintf_hook;
 328 
 329   // System properties
 330   static bool add_property(const char* prop);
 331 
 332   // Aggressive optimization flags.
 333   static void set_aggressive_opts_flags();
 334 

 295   // Used to save default settings
 296   static bool _AlwaysCompileLoopMethods;
 297   static bool _UseOnStackReplacement;
 298   static bool _BackgroundCompilation;
 299   static bool _ClipInlining;
 300   static bool _CIDynamicCompilePriority;
 301 
 302   // Tiered
 303   static void set_tiered_flags();
 304   // CMS/ParNew garbage collectors
 305   static void set_parnew_gc_flags();
 306   static void set_cms_and_parnew_gc_flags();
 307   // UseParallel[Old]GC
 308   static void set_parallel_gc_flags();
 309   // Garbage-First (UseG1GC)
 310   static void set_g1_gc_flags();
 311   // GC ergonomics
 312   static void set_use_compressed_oops();
 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 heap size
 319   static void set_heap_size();
 320   // Based on automatic selection criteria, should the
 321   // low pause collector be used.
 322   static bool should_auto_select_low_pause_collector();
 323 
 324   // Bytecode rewriting
 325   static void set_bytecode_flags();
 326 
 327   // Invocation API hooks
 328   static abort_hook_t     _abort_hook;
 329   static exit_hook_t      _exit_hook;
 330   static vfprintf_hook_t  _vfprintf_hook;
 331 
 332   // System properties
 333   static bool add_property(const char* prop);
 334 
 335   // Aggressive optimization flags.
 336   static void set_aggressive_opts_flags();
 337