294 
 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_ergonomics_flags();
 313   static void set_shared_spaces_flags();



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

 294 
 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_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 heap size
 318   static void set_heap_size();
 319   // Based on automatic selection criteria, should the
 320   // low pause collector be used.
 321   static bool should_auto_select_low_pause_collector();
 322 
 323   // Bytecode rewriting
 324   static void set_bytecode_flags();
 325 
 326   // Invocation API hooks
 327   static abort_hook_t     _abort_hook;
 328   static exit_hook_t      _exit_hook;
 329   static vfprintf_hook_t  _vfprintf_hook;
 330 
 331   // System properties
 332   static bool add_property(const char* prop);
 333 
 334   // Aggressive optimization flags.
 335   static void set_aggressive_opts_flags();
 336