1 /*
   2  * Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 // Sets the default values for platform dependent flags used by the runtime system.
  26 // (see globals.hpp)
  27 
  28 define_pd_global(bool, DontYieldALot,            false);
  29 
  30 // Default stack size on Windows is determined by the executable (java.exe
  31 // has a default value of 320K/1MB [32bit/64bit]). Depending on Windows version, changing
  32 // ThreadStackSize to non-zero may have significant impact on memory usage.
  33 // See comments in os_windows.cpp.
  34 define_pd_global(intx, ThreadStackSize,          0); // 0 => use system default
  35 define_pd_global(intx, VMThreadStackSize,        0); // 0 => use system default
  36 
  37 #ifdef ASSERT
  38 define_pd_global(intx, CompilerThreadStackSize,  1024);
  39 #else
  40 define_pd_global(intx, CompilerThreadStackSize,  0);
  41 #endif
  42 
  43 define_pd_global(uintx, JVMInvokeMethodSlack,    8192);
  44 
  45 // Only used on 64 bit platforms
  46 define_pd_global(uintx, HeapBaseMinAddress,      2*G);
  47 // Only used on 64 bit Windows platforms
  48 define_pd_global(bool, UseVectoredExceptions,    false);