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src/hotspot/cpu/x86/globals_x86.hpp

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rev 49264 : [mq]: StackGuardPages_1


  53 #endif // COMPILER2_OR_JVMCI
  54 define_pd_global(intx, OptoLoopAlignment,        16);
  55 define_pd_global(intx, InlineFrequencyCount,     100);
  56 define_pd_global(intx, InlineSmallCode,          1000);
  57 
  58 #define DEFAULT_STACK_YELLOW_PAGES (NOT_WINDOWS(2) WINDOWS_ONLY(3))
  59 #define DEFAULT_STACK_RED_PAGES (1)
  60 #define DEFAULT_STACK_RESERVED_PAGES (NOT_WINDOWS(1) WINDOWS_ONLY(0))
  61 
  62 #define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
  63 #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
  64 #define MIN_STACK_RESERVED_PAGES (0)
  65 
  66 #ifdef _LP64
  67 // Java_java_net_SocketOutputStream_socketWrite0() uses a 64k buffer on the
  68 // stack if compiled for unix and LP64. To pass stack overflow tests we need
  69 // 20 shadow pages.
  70 #define DEFAULT_STACK_SHADOW_PAGES (NOT_WIN64(20) WIN64_ONLY(7) DEBUG_ONLY(+2))
  71 // For those clients that do not use write socket, we allow
  72 // the min range value to be below that of the default
  73 #define MIN_STACK_SHADOW_PAGES (NOT_WIN64(10) WIN64_ONLY(7) DEBUG_ONLY(+2))
  74 #else
  75 #define DEFAULT_STACK_SHADOW_PAGES (4 DEBUG_ONLY(+5))
  76 #define MIN_STACK_SHADOW_PAGES DEFAULT_STACK_SHADOW_PAGES
  77 #endif // _LP64
  78 
  79 define_pd_global(intx, StackYellowPages, DEFAULT_STACK_YELLOW_PAGES);
  80 define_pd_global(intx, StackRedPages, DEFAULT_STACK_RED_PAGES);
  81 define_pd_global(intx, StackShadowPages, DEFAULT_STACK_SHADOW_PAGES);
  82 define_pd_global(intx, StackReservedPages, DEFAULT_STACK_RESERVED_PAGES);
  83 
  84 define_pd_global(bool, RewriteBytecodes,     true);
  85 define_pd_global(bool, RewriteFrequentPairs, true);
  86 
  87 define_pd_global(bool, UseMembar,            true);
  88 
  89 // GC Ergo Flags
  90 define_pd_global(size_t, CMSYoungGenPerWorker, 64*M);  // default max size of CMS young gen, per GC worker thread
  91 
  92 define_pd_global(uintx, TypeProfileLevel, 111);
  93 




  53 #endif // COMPILER2_OR_JVMCI
  54 define_pd_global(intx, OptoLoopAlignment,        16);
  55 define_pd_global(intx, InlineFrequencyCount,     100);
  56 define_pd_global(intx, InlineSmallCode,          1000);
  57 
  58 #define DEFAULT_STACK_YELLOW_PAGES (NOT_WINDOWS(2) WINDOWS_ONLY(3))
  59 #define DEFAULT_STACK_RED_PAGES (1)
  60 #define DEFAULT_STACK_RESERVED_PAGES (NOT_WINDOWS(1) WINDOWS_ONLY(0))
  61 
  62 #define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
  63 #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
  64 #define MIN_STACK_RESERVED_PAGES (0)
  65 
  66 #ifdef _LP64
  67 // Java_java_net_SocketOutputStream_socketWrite0() uses a 64k buffer on the
  68 // stack if compiled for unix and LP64. To pass stack overflow tests we need
  69 // 20 shadow pages.
  70 #define DEFAULT_STACK_SHADOW_PAGES (NOT_WIN64(20) WIN64_ONLY(7) DEBUG_ONLY(+2))
  71 // For those clients that do not use write socket, we allow
  72 // the min range value to be below that of the default
  73 #define MIN_STACK_SHADOW_PAGES (NOT_WIN64(6) WIN64_ONLY(7) DEBUG_ONLY(+2))
  74 #else
  75 #define DEFAULT_STACK_SHADOW_PAGES (4 DEBUG_ONLY(+5))
  76 #define MIN_STACK_SHADOW_PAGES DEFAULT_STACK_SHADOW_PAGES
  77 #endif // _LP64
  78 
  79 define_pd_global(intx, StackYellowPages, DEFAULT_STACK_YELLOW_PAGES);
  80 define_pd_global(intx, StackRedPages, DEFAULT_STACK_RED_PAGES);
  81 define_pd_global(intx, StackShadowPages, DEFAULT_STACK_SHADOW_PAGES);
  82 define_pd_global(intx, StackReservedPages, DEFAULT_STACK_RESERVED_PAGES);
  83 
  84 define_pd_global(bool, RewriteBytecodes,     true);
  85 define_pd_global(bool, RewriteFrequentPairs, true);
  86 
  87 define_pd_global(bool, UseMembar,            true);
  88 
  89 // GC Ergo Flags
  90 define_pd_global(size_t, CMSYoungGenPerWorker, 64*M);  // default max size of CMS young gen, per GC worker thread
  91 
  92 define_pd_global(uintx, TypeProfileLevel, 111);
  93 


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