src/share/vm/shark/sharkMemoryManager.cpp

Wed, 11 Aug 2010 05:51:21 -0700

author
twisti
date
Wed, 11 Aug 2010 05:51:21 -0700
changeset 2047
d2ede61b7a12
child 2314
f95d63e2154a
permissions
-rw-r--r--

6976186: integrate Shark HotSpot changes
Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure.
Reviewed-by: kvn, twisti
Contributed-by: Gary Benson <gbenson@redhat.com>

     1 /*
     2  * Copyright (c) 1999, 2007, 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 "incls/_precompiled.incl"
    27 #include "incls/_sharkMemoryManager.cpp.incl"
    29 using namespace llvm;
    31 void SharkMemoryManager::AllocateGOT() {
    32   mm()->AllocateGOT();
    33 }
    35 unsigned char* SharkMemoryManager::getGOTBase() const {
    36   return mm()->getGOTBase();
    37 }
    39 unsigned char* SharkMemoryManager::allocateStub(const GlobalValue* F,
    40                                                 unsigned StubSize,
    41                                                 unsigned Alignment) {
    42   return mm()->allocateStub(F, StubSize, Alignment);
    43 }
    45 unsigned char* SharkMemoryManager::startFunctionBody(const Function* F,
    46                                                      uintptr_t& ActualSize) {
    47   return mm()->startFunctionBody(F, ActualSize);
    48 }
    50 void SharkMemoryManager::endFunctionBody(const Function* F,
    51                                          unsigned char* FunctionStart,
    52                                          unsigned char* FunctionEnd) {
    53   mm()->endFunctionBody(F, FunctionStart, FunctionEnd);
    55   SharkEntry *entry = get_entry_for_function(F);
    56   if (entry != NULL)
    57     entry->set_code_limit(FunctionEnd);
    58 }
    60 unsigned char* SharkMemoryManager::startExceptionTable(const Function* F,
    61                                                        uintptr_t& ActualSize) {
    62   return mm()->startExceptionTable(F, ActualSize);
    63 }
    65 void SharkMemoryManager::endExceptionTable(const Function* F,
    66                                            unsigned char* TableStart,
    67                                            unsigned char* TableEnd,
    68                                            unsigned char* FrameRegister) {
    69   mm()->endExceptionTable(F, TableStart, TableEnd, FrameRegister);
    70 }
    72 void SharkMemoryManager::setMemoryWritable() {
    73   mm()->setMemoryWritable();
    74 }
    76 void SharkMemoryManager::setMemoryExecutable() {
    77   mm()->setMemoryExecutable();
    78 }
    80 #if SHARK_LLVM_VERSION >= 27
    81 void SharkMemoryManager::deallocateExceptionTable(void *ptr) {
    82   mm()->deallocateExceptionTable(ptr);
    83 }
    85 void SharkMemoryManager::deallocateFunctionBody(void *ptr) {
    86   mm()->deallocateFunctionBody(ptr);
    87 }
    88 #else
    89 void SharkMemoryManager::deallocateMemForFunction(const Function* F) {
    90   return mm()->deallocateMemForFunction(F);
    91 }
    92 #endif
    94 uint8_t* SharkMemoryManager::allocateGlobal(uintptr_t Size,
    95                                             unsigned int Alignment) {
    96   return mm()->allocateGlobal(Size, Alignment);
    97 }
    99 #if SHARK_LLVM_VERSION < 27
   100 void* SharkMemoryManager::getDlsymTable() const {
   101   return mm()->getDlsymTable();
   102 }
   104 void SharkMemoryManager::SetDlsymTable(void *ptr) {
   105   mm()->SetDlsymTable(ptr);
   106 }
   107 #endif
   109 void SharkMemoryManager::setPoisonMemory(bool poison) {
   110   mm()->setPoisonMemory(poison);
   111 }
   113 unsigned char *SharkMemoryManager::allocateSpace(intptr_t Size,
   114                                                  unsigned int Alignment) {
   115   return mm()->allocateSpace(Size, Alignment);
   116 }

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