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 #if SHARK_LLVM_VERSION >= 27
  83 void SharkMemoryManager::deallocateExceptionTable(void *ptr) {
  84   mm()->deallocateExceptionTable(ptr);
  85 }
  86 
  87 void SharkMemoryManager::deallocateFunctionBody(void *ptr) {
  88   mm()->deallocateFunctionBody(ptr);
  89 }
  90 #else
  91 void SharkMemoryManager::deallocateMemForFunction(const Function* F) {
  92   return mm()->deallocateMemForFunction(F);
  93 }
  94 #endif
  95 
  96 uint8_t* SharkMemoryManager::allocateGlobal(uintptr_t Size,
  97                                             unsigned int Alignment) {
  98   return mm()->allocateGlobal(Size, Alignment);
  99 }
 100 
 101 #if SHARK_LLVM_VERSION < 27
 102 void* SharkMemoryManager::getDlsymTable() const {
 103   return mm()->getDlsymTable();
 104 }
 105 
 106 void SharkMemoryManager::SetDlsymTable(void *ptr) {
 107   mm()->SetDlsymTable(ptr);
 108 }
 109 #endif
 110 
 111 void SharkMemoryManager::setPoisonMemory(bool poison) {
 112   mm()->setPoisonMemory(poison);
 113 }
 114 
 115 unsigned char *SharkMemoryManager::allocateSpace(intptr_t Size,
 116                                                  unsigned int Alignment) {
 117   return mm()->allocateSpace(Size, Alignment);
 118 }