hotspot/src/share/vm/shark/sharkMemoryManager.cpp
author coleenp
Mon, 14 Jan 2013 11:01:39 -0500
changeset 15194 a35093d73168
parent 14622 8e94e4186d35
child 23196 7fb201976e8b
permissions -rw-r--r--
8006005: Fix constant pool index validation and alignment trap for method parameter reflection Summary: This patch addresses an alignment trap due to the storage format of method parameters data in constMethod. It also adds code to validate constant pool indexes for method parameters data. Reviewed-by: jrose, dholmes Contributed-by: eric.mccorkle@oracle.com
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/*
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 * Copyright (c) 1999, 2010, 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 "precompiled.hpp"
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#include "shark/llvmHeaders.hpp"
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#include "shark/sharkEntry.hpp"
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#include "shark/sharkMemoryManager.hpp"
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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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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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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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void* SharkMemoryManager::getPointerToNamedFunction(const std::string &Name, bool AbortOnFailure) {
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  return mm()->getPointerToNamedFunction(Name, AbortOnFailure);
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}
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uint8_t* SharkMemoryManager::allocateCodeSection(uintptr_t Size, unsigned Alignment, unsigned SectionID) {
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  return mm()->allocateCodeSection(Size, Alignment, SectionID);
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}
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uint8_t* SharkMemoryManager::allocateDataSection(uintptr_t Size, unsigned Alignment, unsigned SectionID) {
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  return mm()->allocateDataSection(Size, Alignment, SectionID);
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}
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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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}