globals_bsd_x86.hpp revision 4369:91bf0bdae37b
1/* 2 * Copyright (c) 2000, 2013, 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#ifndef OS_CPU_BSD_X86_VM_GLOBALS_BSD_X86_HPP 26#define OS_CPU_BSD_X86_VM_GLOBALS_BSD_X86_HPP 27 28// 29// Sets the default values for platform dependent flags used by the runtime system. 30// (see globals.hpp) 31// 32define_pd_global(bool, DontYieldALot, false); 33#ifdef AMD64 34define_pd_global(intx, ThreadStackSize, 1024); // 0 => use system default 35define_pd_global(intx, VMThreadStackSize, 1024); 36#else 37// ThreadStackSize 320 allows a couple of test cases to run while 38// keeping the number of threads that can be created high. System 39// default ThreadStackSize appears to be 512 which is too big. 40define_pd_global(intx, ThreadStackSize, 320); 41define_pd_global(intx, VMThreadStackSize, 512); 42#endif // AMD64 43 44define_pd_global(intx, CompilerThreadStackSize, 0); 45define_pd_global(uintx, SurvivorRatio, 8); 46 47define_pd_global(uintx, JVMInvokeMethodSlack, 8192); 48 49// Used on 64 bit platforms for UseCompressedOops base address 50define_pd_global(uintx, HeapBaseMinAddress, 2*G); 51 52#endif // OS_CPU_BSD_X86_VM_GLOBALS_BSD_X86_HPP 53