src/os_cpu/solaris_sparc/vm/globals_solaris_sparc.hpp

Thu, 12 Mar 2009 10:37:46 -0700

author
kvn
date
Thu, 12 Mar 2009 10:37:46 -0700
changeset 1077
660978a2a31a
parent 435
a61af66fc99e
child 1279
bd02caa94611
permissions
-rw-r--r--

6791178: Specialize for zero as the compressed oop vm heap base
Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp

duke@435 1 /*
duke@435 2 * Copyright 2000-2004 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 //
duke@435 26 // Sets the default values for platform dependent flags used by the runtime system.
duke@435 27 // (see globals.hpp)
duke@435 28 //
duke@435 29
duke@435 30 define_pd_global(uintx, JVMInvokeMethodSlack, 12288);
duke@435 31 define_pd_global(intx, CompilerThreadStackSize, 0);
duke@435 32
kvn@1077 33 // Only used on 64 bit platforms
kvn@1077 34 define_pd_global(uintx, HeapBaseMinAddress, 4*G);
duke@435 35 // Only used on 64 bit Windows platforms
duke@435 36 define_pd_global(bool, UseVectoredExceptions, false);
kvn@1077 37
kvn@1077 38

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