Mercurial > hg > graal-jvmci-8
view src/share/vm/shark/sharkRuntime.hpp @ 12110:4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
Summary: Replace the broken large pages implementation on Linux. New flag: -XX:+UseTransparentHugePages - Linux specific flag to turn on transparent huge page hinting with madvise(..., MAP_HUGETLB). Changed behavior: -XX:+UseLargePages - tries to use -XX:+UseTransparentHugePages before trying other large pages implementations (on Linux). Changed behavior: -XX:+UseHugeTLBFS - Use upfront allocation of Large Pages instead of using the broken implementation to dynamically committing large pages. Changed behavior: -XX:LargePageSizeInBytes - Turned off the ability to use this flag on Linux and provides warning to user if set to a value different than the OS chosen large page size. Changed behavior: Setting no large page size - Now defaults to use -XX:UseTransparentHugePages if the OS supports it. Previously, -XX:+UseHugeTLBFS was chosen if the OS was configured to use large pages.
Reviewed-by: tschatzl, dcubed, brutisso
author | stefank |
---|---|
date | Fri, 16 Aug 2013 13:22:32 +0200 |
parents | da91efe96a93 |
children |
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/* * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. * Copyright 2008, 2009, 2010 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_SHARK_SHARKRUNTIME_HPP #define SHARE_VM_SHARK_SHARKRUNTIME_HPP #include "memory/allocation.hpp" #include "runtime/thread.hpp" #include "shark/llvmHeaders.hpp" #include "shark/llvmValue.hpp" class SharkRuntime : public AllStatic { // VM calls public: static int find_exception_handler(JavaThread* thread, int* indexes, int num_indexes); static void monitorenter(JavaThread* thread, BasicObjectLock* lock); static void monitorexit(JavaThread* thread, BasicObjectLock* lock); static void new_instance(JavaThread* thread, int index); static void newarray(JavaThread* thread, BasicType type, int size); static void anewarray(JavaThread* thread, int index, int size); static void multianewarray(JavaThread* thread, int index, int ndims, int* dims); static void register_finalizer(JavaThread* thread, oop object); static void throw_ArithmeticException(JavaThread* thread, const char* file, int line); static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, const char* file, int line, int index); static void throw_ClassCastException(JavaThread* thread, const char* file, int line); static void throw_NullPointerException(JavaThread* thread, const char* file, int line); // Helpers for VM calls private: static const SharkFrame* last_frame(JavaThread *thread) { return thread->last_frame().zero_sharkframe(); } static Method* method(JavaThread *thread) { return last_frame(thread)->method(); } static address bcp(JavaThread *thread, int bci) { return method(thread)->code_base() + bci; } static int two_byte_index(JavaThread *thread, int bci) { return Bytes::get_Java_u2(bcp(thread, bci) + 1); } static intptr_t tos_at(JavaThread *thread, int offset) { return *(thread->zero_stack()->sp() + offset); } // Non-VM calls public: static void dump(const char *name, intptr_t value); static bool is_subtype_of(Klass* check_klass, Klass* object_klass); static int uncommon_trap(JavaThread* thread, int trap_request); }; #endif // SHARE_VM_SHARK_SHARKRUNTIME_HPP