src/cpu/x86/vm/globals_x86.hpp

rev 12308 : imported patch new_os_guard_for_java_thread.patch

*** 61,81 ****
  
  #define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
  #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
  #define MIN_STACK_RESERVED_PAGES (0)
  
! #ifdef AMD64
! // Very large C++ stack frames using solaris-amd64 optimized builds
! // due to lack of optimization caused by C++ compiler bugs
  #define DEFAULT_STACK_SHADOW_PAGES (NOT_WIN64(20) WIN64_ONLY(7) DEBUG_ONLY(+2))
  // For those clients that do not use write socket, we allow
  // the min range value to be below that of the default
  #define MIN_STACK_SHADOW_PAGES (NOT_WIN64(10) WIN64_ONLY(7) DEBUG_ONLY(+2))
  #else
  #define DEFAULT_STACK_SHADOW_PAGES (4 DEBUG_ONLY(+5))
  #define MIN_STACK_SHADOW_PAGES DEFAULT_STACK_SHADOW_PAGES
! #endif // AMD64
  
  define_pd_global(intx, StackYellowPages, DEFAULT_STACK_YELLOW_PAGES);
  define_pd_global(intx, StackRedPages, DEFAULT_STACK_RED_PAGES);
  define_pd_global(intx, StackShadowPages, DEFAULT_STACK_SHADOW_PAGES);
  define_pd_global(intx, StackReservedPages, DEFAULT_STACK_RESERVED_PAGES);
--- 61,82 ----
  
  #define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
  #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
  #define MIN_STACK_RESERVED_PAGES (0)
  
! #ifdef _LP64
! // Java_java_net_SocketOutputStream_socketWrite0() uses a 64k buffer on the
! // stack if compiled for unix and LP64. To pass stack overflow tests we need
! // 20 shadow pages.
  #define DEFAULT_STACK_SHADOW_PAGES (NOT_WIN64(20) WIN64_ONLY(7) DEBUG_ONLY(+2))
  // For those clients that do not use write socket, we allow
  // the min range value to be below that of the default
  #define MIN_STACK_SHADOW_PAGES (NOT_WIN64(10) WIN64_ONLY(7) DEBUG_ONLY(+2))
  #else
  #define DEFAULT_STACK_SHADOW_PAGES (4 DEBUG_ONLY(+5))
  #define MIN_STACK_SHADOW_PAGES DEFAULT_STACK_SHADOW_PAGES
! #endif // _LP64
  
  define_pd_global(intx, StackYellowPages, DEFAULT_STACK_YELLOW_PAGES);
  define_pd_global(intx, StackRedPages, DEFAULT_STACK_RED_PAGES);
  define_pd_global(intx, StackShadowPages, DEFAULT_STACK_SHADOW_PAGES);
  define_pd_global(intx, StackReservedPages, DEFAULT_STACK_RESERVED_PAGES);