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