hotspot/src/share/vm/shark/sharkMemoryManager.cpp
author twisti
Wed, 11 Aug 2010 05:51:21 -0700
changeset 6187 4fa7845f7c14
child 7397 5b173b4ca846
permissions -rw-r--r--
6976186: integrate Shark HotSpot changes Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure. Reviewed-by: kvn, twisti Contributed-by: Gary Benson <gbenson@redhat.com>
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/*
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 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
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 * Copyright 2009 Red Hat, Inc.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "incls/_precompiled.incl"
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#include "incls/_sharkMemoryManager.cpp.incl"
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using namespace llvm;
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void SharkMemoryManager::AllocateGOT() {
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  mm()->AllocateGOT();
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}
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unsigned char* SharkMemoryManager::getGOTBase() const {
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  return mm()->getGOTBase();
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}
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unsigned char* SharkMemoryManager::allocateStub(const GlobalValue* F,
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                                                unsigned StubSize,
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                                                unsigned Alignment) {
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  return mm()->allocateStub(F, StubSize, Alignment);
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}
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unsigned char* SharkMemoryManager::startFunctionBody(const Function* F,
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                                                     uintptr_t& ActualSize) {
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  return mm()->startFunctionBody(F, ActualSize);
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}
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void SharkMemoryManager::endFunctionBody(const Function* F,
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                                         unsigned char* FunctionStart,
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                                         unsigned char* FunctionEnd) {
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  mm()->endFunctionBody(F, FunctionStart, FunctionEnd);
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  SharkEntry *entry = get_entry_for_function(F);
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  if (entry != NULL)
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    entry->set_code_limit(FunctionEnd);
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}
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unsigned char* SharkMemoryManager::startExceptionTable(const Function* F,
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                                                       uintptr_t& ActualSize) {
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  return mm()->startExceptionTable(F, ActualSize);
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}
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void SharkMemoryManager::endExceptionTable(const Function* F,
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                                           unsigned char* TableStart,
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                                           unsigned char* TableEnd,
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                                           unsigned char* FrameRegister) {
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  mm()->endExceptionTable(F, TableStart, TableEnd, FrameRegister);
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}
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void SharkMemoryManager::setMemoryWritable() {
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  mm()->setMemoryWritable();
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}
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void SharkMemoryManager::setMemoryExecutable() {
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  mm()->setMemoryExecutable();
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}
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#if SHARK_LLVM_VERSION >= 27
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void SharkMemoryManager::deallocateExceptionTable(void *ptr) {
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  mm()->deallocateExceptionTable(ptr);
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}
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void SharkMemoryManager::deallocateFunctionBody(void *ptr) {
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  mm()->deallocateFunctionBody(ptr);
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}
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#else
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void SharkMemoryManager::deallocateMemForFunction(const Function* F) {
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  return mm()->deallocateMemForFunction(F);
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}
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#endif
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uint8_t* SharkMemoryManager::allocateGlobal(uintptr_t Size,
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                                            unsigned int Alignment) {
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  return mm()->allocateGlobal(Size, Alignment);
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}
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#if SHARK_LLVM_VERSION < 27
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void* SharkMemoryManager::getDlsymTable() const {
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  return mm()->getDlsymTable();
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}
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void SharkMemoryManager::SetDlsymTable(void *ptr) {
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  mm()->SetDlsymTable(ptr);
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}
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#endif
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void SharkMemoryManager::setPoisonMemory(bool poison) {
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  mm()->setPoisonMemory(poison);
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}
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unsigned char *SharkMemoryManager::allocateSpace(intptr_t Size,
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                                                 unsigned int Alignment) {
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  return mm()->allocateSpace(Size, Alignment);
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}