src/share/vm/shark/sharkMemoryManager.cpp

Wed, 31 Jan 2018 19:24:57 -0500

author
dbuck
date
Wed, 31 Jan 2018 19:24:57 -0500
changeset 9289
427b2fb1944f
parent 6551
81d7a4b28dc5
child 6876
710a3c8b516e
permissions
-rw-r--r--

8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
Reviewed-by: dcubed

     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  */
    26 #include "precompiled.hpp"
    27 #include "shark/llvmHeaders.hpp"
    28 #include "shark/sharkEntry.hpp"
    29 #include "shark/sharkMemoryManager.hpp"
    31 using namespace llvm;
    33 void SharkMemoryManager::AllocateGOT() {
    34   mm()->AllocateGOT();
    35 }
    37 unsigned char* SharkMemoryManager::getGOTBase() const {
    38   return mm()->getGOTBase();
    39 }
    41 unsigned char* SharkMemoryManager::allocateStub(const GlobalValue* F,
    42                                                 unsigned StubSize,
    43                                                 unsigned Alignment) {
    44   return mm()->allocateStub(F, StubSize, Alignment);
    45 }
    47 unsigned char* SharkMemoryManager::startFunctionBody(const Function* F,
    48                                                      uintptr_t& ActualSize) {
    49   return mm()->startFunctionBody(F, ActualSize);
    50 }
    52 void SharkMemoryManager::endFunctionBody(const Function* F,
    53                                          unsigned char* FunctionStart,
    54                                          unsigned char* FunctionEnd) {
    55   mm()->endFunctionBody(F, FunctionStart, FunctionEnd);
    57   SharkEntry *entry = get_entry_for_function(F);
    58   if (entry != NULL)
    59     entry->set_code_limit(FunctionEnd);
    60 }
    62 void SharkMemoryManager::setMemoryWritable() {
    63   mm()->setMemoryWritable();
    64 }
    66 void SharkMemoryManager::setMemoryExecutable() {
    67   mm()->setMemoryExecutable();
    68 }
    70 void SharkMemoryManager::deallocateFunctionBody(void *ptr) {
    71   mm()->deallocateFunctionBody(ptr);
    72 }
    74 uint8_t* SharkMemoryManager::allocateGlobal(uintptr_t Size,
    75                                             unsigned int Alignment) {
    76   return mm()->allocateGlobal(Size, Alignment);
    77 }
    79 void* SharkMemoryManager::getPointerToNamedFunction(const std::string &Name, bool AbortOnFailure) {
    80   return mm()->getPointerToNamedFunction(Name, AbortOnFailure);
    81 }
    83 void SharkMemoryManager::setPoisonMemory(bool poison) {
    84   mm()->setPoisonMemory(poison);
    85 }
    87 unsigned char *SharkMemoryManager::allocateSpace(intptr_t Size,
    88                                                  unsigned int Alignment) {
    89   return mm()->allocateSpace(Size, Alignment);
    90 }
    92 #if SHARK_LLVM_VERSION <= 32
    94 uint8_t* SharkMemoryManager::allocateCodeSection(uintptr_t Size, unsigned Alignment, unsigned SectionID) {
    95   return mm()->allocateCodeSection(Size, Alignment, SectionID);
    96 }
    98 uint8_t* SharkMemoryManager::allocateDataSection(uintptr_t Size, unsigned Alignment, unsigned SectionID) {
    99   return mm()->allocateDataSection(Size, Alignment, SectionID);
   100 }
   102 void SharkMemoryManager::deallocateExceptionTable(void *ptr) {
   103   mm()->deallocateExceptionTable(ptr);
   104 }
   106 unsigned char* SharkMemoryManager::startExceptionTable(const Function* F,
   107                                                        uintptr_t& ActualSize) {
   108   return mm()->startExceptionTable(F, ActualSize);
   109 }
   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 }
   118 #else
   120 uint8_t *SharkMemoryManager::allocateCodeSection(uintptr_t Size, unsigned Alignment, unsigned SectionID, StringRef SectionName) {
   121     return mm()->allocateCodeSection(Size, Alignment, SectionID, SectionName);
   122 }
   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 }
   128 bool SharkMemoryManager::finalizeMemory(std::string *ErrMsg) {
   129     return mm()->finalizeMemory(ErrMsg);
   130 }
   132 #endif

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