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 void SharkMemoryManager::setMemoryWritable() {
  63   mm()->setMemoryWritable();
  64 }
  65 
  66 void SharkMemoryManager::setMemoryExecutable() {
  67   mm()->setMemoryExecutable();
  68 }
  69 
  70 void SharkMemoryManager::deallocateFunctionBody(void *ptr) {
  71   mm()->deallocateFunctionBody(ptr);
  72 }
  73 
  74 uint8_t* SharkMemoryManager::allocateGlobal(uintptr_t Size,
  75                                             unsigned int Alignment) {
  76   return mm()->allocateGlobal(Size, Alignment);
  77 }
  78 
  79 void* SharkMemoryManager::getPointerToNamedFunction(const std::string &Name, bool AbortOnFailure) {
  80   return mm()->getPointerToNamedFunction(Name, AbortOnFailure);
  81 }
  82 
  83 void SharkMemoryManager::setPoisonMemory(bool poison) {
  84   mm()->setPoisonMemory(poison);
  85 }
  86 
  87 unsigned char *SharkMemoryManager::allocateSpace(intptr_t Size,
  88                                                  unsigned int Alignment) {
  89   return mm()->allocateSpace(Size, Alignment);
  90 }
  91 
  92 #if SHARK_LLVM_VERSION <= 32
  93 
  94 uint8_t* SharkMemoryManager::allocateCodeSection(uintptr_t Size, unsigned Alignment, unsigned SectionID) {
  95   return mm()->allocateCodeSection(Size, Alignment, SectionID);
  96 }
  97 
  98 uint8_t* SharkMemoryManager::allocateDataSection(uintptr_t Size, unsigned Alignment, unsigned SectionID) {
  99   return mm()->allocateDataSection(Size, Alignment, SectionID);
 100 }
 101 
 102 void SharkMemoryManager::deallocateExceptionTable(void *ptr) {
 103   mm()->deallocateExceptionTable(ptr);
 104 }
 105 
 106 unsigned char* SharkMemoryManager::startExceptionTable(const Function* F,
 107                                                        uintptr_t& ActualSize) {
 108   return mm()->startExceptionTable(F, ActualSize);
 109 }
 110 
 111 void SharkMemoryManager::endExceptionTable(const Function* F,
 112                                            unsigned char* TableStart,
 113                                            unsigned char* TableEnd,
 114                                            unsigned char* FrameRegister) {
 115   mm()->endExceptionTable(F, TableStart, TableEnd, FrameRegister);
 116 }
 117 
 118 #else
 119 
 120 uint8_t *SharkMemoryManager::allocateCodeSection(uintptr_t Size, unsigned Alignment, unsigned SectionID, StringRef SectionName) {
 121     return mm()->allocateCodeSection(Size, Alignment, SectionID, SectionName);
 122 }
 123 
 124 uint8_t* SharkMemoryManager::allocateDataSection(uintptr_t Size, unsigned Alignment, unsigned SectionID, StringRef SectionName, bool IsReadOnly) {
 125   return mm()->allocateDataSection(Size, Alignment, SectionID, SectionName, IsReadOnly);
 126 }
 127 
 128 bool SharkMemoryManager::finalizeMemory(std::string *ErrMsg) {
 129     return mm()->finalizeMemory(ErrMsg);
 130 }
 131 
 132 #endif