1 /*
   2  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2009 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "shark/llvmHeaders.hpp"
  28 #include "shark/sharkEntry.hpp"
  29 #include "shark/sharkMemoryManager.hpp"
  30 
  31 using namespace llvm;
  32 
  33 void SharkMemoryManager::AllocateGOT() {
  34   mm()->AllocateGOT();
  35 }
  36 
  37 unsigned char* SharkMemoryManager::getGOTBase() const {
  38   return mm()->getGOTBase();
  39 }
  40 
  41 unsigned char* SharkMemoryManager::allocateStub(const GlobalValue* F,
  42                                                 unsigned StubSize,
  43                                                 unsigned Alignment) {
  44   return mm()->allocateStub(F, StubSize, Alignment);
  45 }
  46 
  47 unsigned char* SharkMemoryManager::startFunctionBody(const Function* F,
  48                                                      uintptr_t& ActualSize) {
  49   return mm()->startFunctionBody(F, ActualSize);
  50 }
  51 
  52 void SharkMemoryManager::endFunctionBody(const Function* F,
  53                                          unsigned char* FunctionStart,
  54                                          unsigned char* FunctionEnd) {
  55   mm()->endFunctionBody(F, FunctionStart, FunctionEnd);
  56 
  57   SharkEntry *entry = get_entry_for_function(F);
  58   if (entry != NULL)
  59     entry->set_code_limit(FunctionEnd);
  60 }
  61 
  62 unsigned char* SharkMemoryManager::startExceptionTable(const Function* F,
  63                                                        uintptr_t& ActualSize) {
  64   return mm()->startExceptionTable(F, ActualSize);
  65 }
  66 
  67 void SharkMemoryManager::endExceptionTable(const Function* F,
  68                                            unsigned char* TableStart,
  69                                            unsigned char* TableEnd,
  70                                            unsigned char* FrameRegister) {
  71   mm()->endExceptionTable(F, TableStart, TableEnd, FrameRegister);
  72 }
  73 
  74 void SharkMemoryManager::setMemoryWritable() {
  75   mm()->setMemoryWritable();
  76 }
  77 
  78 void SharkMemoryManager::setMemoryExecutable() {
  79   mm()->setMemoryExecutable();
  80 }
  81 
  82 void SharkMemoryManager::deallocateExceptionTable(void *ptr) {
  83   mm()->deallocateExceptionTable(ptr);
  84 }
  85 
  86 void SharkMemoryManager::deallocateFunctionBody(void *ptr) {
  87   mm()->deallocateFunctionBody(ptr);
  88 }
  89 
  90 uint8_t* SharkMemoryManager::allocateGlobal(uintptr_t Size,
  91                                             unsigned int Alignment) {
  92   return mm()->allocateGlobal(Size, Alignment);
  93 }
  94 
  95 void* SharkMemoryManager::getPointerToNamedFunction(const std::string &Name, bool AbortOnFailure) {
  96   return mm()->getPointerToNamedFunction(Name, AbortOnFailure);
  97 }
  98 
  99 uint8_t* SharkMemoryManager::allocateCodeSection(uintptr_t Size, unsigned Alignment, unsigned SectionID) {
 100   return mm()->allocateCodeSection(Size, Alignment, SectionID);
 101 }
 102 
 103 uint8_t* SharkMemoryManager::allocateDataSection(uintptr_t Size, unsigned Alignment, unsigned SectionID) {
 104   return mm()->allocateDataSection(Size, Alignment, SectionID);
 105 }
 106 
 107 void SharkMemoryManager::setPoisonMemory(bool poison) {
 108   mm()->setPoisonMemory(poison);
 109 }
 110 
 111 unsigned char *SharkMemoryManager::allocateSpace(intptr_t Size,
 112                                                  unsigned int Alignment) {
 113   return mm()->allocateSpace(Size, Alignment);
 114 }