globals_windows_x86.hpp revision 1064:473cce303f13
1/*
2 * Copyright 2000-2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25// Sets the default values for platform dependent flags used by the runtime system.
26// (see globals.hpp)
27
28define_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.
34define_pd_global(intx, ThreadStackSize,          0); // 0 => use system default
35define_pd_global(intx, VMThreadStackSize,        0); // 0 => use system default
36
37#ifdef ASSERT
38define_pd_global(intx, CompilerThreadStackSize,  1024);
39#else
40define_pd_global(intx, CompilerThreadStackSize,  0);
41#endif
42
43define_pd_global(uintx, JVMInvokeMethodSlack,    8192);
44
45// Only used on 64 bit platforms
46define_pd_global(uintx, HeapBaseMinAddress,      2*G);
47// Only used on 64 bit Windows platforms
48define_pd_global(bool, UseVectoredExceptions,    false);
49