globals_windows_x86.hpp

/*
 * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef OS_CPU_WINDOWS_X86_GLOBALS_WINDOWS_X86_HPP
#define OS_CPU_WINDOWS_X86_GLOBALS_WINDOWS_X86_HPP

// Sets the default values for platform dependent flags used by the runtime system.
// (see globals.hpp)

define_pd_global(bool, DontYieldALot,            false);

// Default stack size on Windows is determined by the executable (java.exe
// has a default value of 320K/1MB [32bit/64bit]). Depending on Windows version, changing
// ThreadStackSize to non-zero may have significant impact on memory usage.
// See comments in os_windows.cpp.
define_pd_global(intx, ThreadStackSize,          0); // 0 => use system default
define_pd_global(intx, VMThreadStackSize,        0); // 0 => use system default

#ifdef ASSERT
define_pd_global(intx, CompilerThreadStackSize,  1024);
#else
define_pd_global(intx, CompilerThreadStackSize,  0);
#endif

define_pd_global(size_t, JVMInvokeMethodSlack,   8192);

// Used on 64 bit platforms for UseCompressedOops base address
define_pd_global(size_t, HeapBaseMinAddress,     2*G);

#endif // OS_CPU_WINDOWS_X86_GLOBALS_WINDOWS_X86_HPP